Commit 8827f2ce authored by Sebastian's avatar Sebastian

renderjs-extension: initial. Added core functionality

parents
# Overview: renderJS for jupyter notebook via extension
This repo contains two seperate things:
1. A [jupyter frontend extension](http://jupyter-notebook.readthedocs.io/en/latest/extending/frontend_extensions.html)
also called nbextension containing the javascript and html required to load arbitrary gadgets. See folder
`renderjs_nbextension/`.
2. An [ipython extension](https://ipython.org/ipython-doc/3/config/extensions/index.html) providing necessary python the commands to initiate the renderjs and controll the loaded gadgets. This happens directly from the notebook (cells). See folder `renderjs_ipyextension/`.
To make this work both the nbextension and the ipython-extension need to be installed and enabled.
# Install
TODO
# Use
All of the following python calls are made from the notebook itself.
## Loading the ipython extension:
```python
%load_ext renderjs_extension
```
## Import and initialize the extension:
```python
import renderjs_extension as rjs
rjs.init_renderjs()
```
## Load a renderjs gadget:
```python
myGadget = rjs.load_gadget("https://my.gadget.url/gadget.html")
```
## Destroy a renderjs gadget:
```python
myGadget.destroy()
```
If he cell defining `myGadget` is executed again, the current `myGadget` is automatically destroyed and a new one created.
## Call a `declared_method` of a loaded gadget:
```python
arg1 = "Hello"
arg2 = 'World'
arg3 = 2016
arg4 = { "yes": "no!" }
myGadget.call_declared_method("method_name", arg1, arg2, arg3, arg4)
```
Arguments can be arbitrary as long as it is python-compatible. They get converted to js-arguments via pythons JSON command.
# Development
The extension is split into a ipython extension and a nbextension für jupyter. This is necessary because both JS in the frontend
and python in the backend are required to load a renderjs gadget.
## ipython extension (backend)
Here all the functionality for interacting with the extension via jupyter notebook cells is exposed. Unfortunately, ipython
has no knowledge of the kernel and therefore no knowledge of the jupyter frontend.
Still we want to execute javascipt in the frontend. To solve this issue, ipython is used to inject inline
javascipt into the page via ipython display. This is a rather dirty hack but I could not find a better solution as of now.
The inject JS code get's executed and fires an event to which the frontend-extension listens to.
Gadgets are represented by a python-object and carry a uid to identify them.
## nbextension (frontend)
Nothing happens on-load of the frontend part. Everything is controlled by the backend (mostly via events fired from the ipython).
Exception to event-based communication is the initial and controller gadget (loading_gadget)
which is injected into the page directly and which is initialized by a manual bootstrap of renderjs (since the page is
already loaded; normal bootstrapping happens on-load).
The loading_gadget is responsible for loading other
(actual) gadgets and pass information from the backend to them.
The loading_gadget declares a renderjs service for each possible event which could be fired from the backend
(such as call_declared_method, destroy_gadget, ...).
Multiple gadgets are possible which are all controlled by the same loading_gadget. To differentiate between gadgets
each gadget sends along a uid (generated in the backend and member-variable of the python gadget-object)
and the loading_gadget determines the right gadget (by .getDeclaredGadget(uid)) and passes along the function call.
\ No newline at end of file
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Version 2, June 1991
Copyright (C) 1989, 1991 Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
Everyone is permitted to copy and distribute verbatim copies
of this license document, but changing it is not allowed.
Preamble
The licenses for most software are designed to take away your
freedom to share and change it. By contrast, the GNU General Public
License is intended to guarantee your freedom to share and change free
software--to make sure the software is free for all its users. This
General Public License applies to most of the Free Software
Foundation's software and to any other program whose authors commit to
using it. (Some other Free Software Foundation software is covered by
the GNU Lesser General Public License instead.) You can apply it to
your programs, too.
When we speak of free software, we are referring to freedom, not
price. Our General Public Licenses are designed to make sure that you
have the freedom to distribute copies of free software (and charge for
this service if you wish), that you receive source code or can get it
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# TODO
\ No newline at end of file
#
# TODO
#
# prevent multiple class of init_renderjs - ie. check if loading_gadget there
# find proper location for static files
#
#
# For each gadget which is to be integrated into the jupyter page one
# RJSGadget object is created. It is used to call call_declared_method
# and destroy.
class RJSGadget:
def __init__(self, gadgetId):
# The UID is used to identify the gadget and gets passed along
# to the events sent to the frontend so that the loading_gadget
# is able to decide to which gadget the fired event belongs
# Python call on object with (uid) ->
# -> Fire event (uid) ->
# -> loading_gadget (uid) ->
# -> pass on the call to gadget with (uid)
self.gadgetId = gadgetId
def __del__(self):
pass
# Fires an event with
# * the uid of the gadget
# * the name of the declared_method
# * the arguments to be passed to the declared_method
# The arguments are packed into a json string and passed to js as such
def call_declared_method(self, method_name, *args):
from IPython.core.display import display, HTML
import json
j_str = json.dumps(args)
script = '''
<script>
var call_event = new CustomEvent("call_gadget",
{ "detail": {
"gadgetId": "''' + self.gadgetId + '''",
"methodName": "''' + method_name + '''",
"methodArgs": ''' + "'" + j_str + "'" + '''
}});
var loadingDiv = document.querySelector(".loading_gadget");
if(loadingDiv != null) {
loadingDiv.dispatchEvent(call_event);
} else {
console.log("~~ call: RenderJS init required first!");
}
</script>
'''
display(HTML(script))
# Fires an event to the destroy this gadget (self)
# Only thing passed is the uid of the gadget
def destroy(self):
from IPython.core.display import display, HTML
script = '''
<script>
var destroy_event = new CustomEvent("destroy_gadget",
{ "detail": { "gadgetId": "''' + self.gadgetId + '''" }});
var loadingDiv = document.querySelector(".loading_gadget");
if(loadingDiv != null) {
loadingDiv.dispatchEvent(destroy_event);
} else {
console.log("~~ destroy: RenderJS init required first!");
}
</script>
'''
display(HTML(script))
# Do nothing on load
def load_ipython_extension(ipython):
pass
# Do nothing on unload
def unload_ipython_extension(ipython):
pass
# Create the original load_gadget with modified rsvp, renderjs
# Because jupyter notebook has already loaded when this can be called
# a manual intialization of the whole renderJS setup is required
#
# First the libs rsvp, renderjs-gadget-global and renderjs (patched)
# are injected into the page. The patch on renderjs itself is to enable
# the following manual bootstrap
# After the scripts are present, a div is appended containing the
# loading_gadget.
# After everything is inplace, rJS.manualBootstrap initializes the
# loading_gadget in exactly the same way as when rJS is normally initialized
# (on-load)
def init_renderjs():
from IPython.core.display import display, HTML
script = '''
<script>
var loadingDiv = document.querySelector(".loading_gadget");
if(loadingDiv == null) {
console.log("~~ Initializing RenderJS!");
$.getScript("/nbextensions/renderjs_nbextension/rsvp-2.0.4.js", function() {
console.log("~~ loading_gadget: rsvp.js loaded");
$.getScript("/nbextensions/renderjs_nbextension/rjs_gadget_global_js.js", function() {
console.log("~~ loading_gadget: renderjs-gadget-global.js loaded");
$.getScript("/nbextensions/renderjs_nbextension/renderjs-latest.js", function() {
console.log("~~ loading_gadget: renderjs.js loaded");
$("#notebook-container").append('<div data-gadget-url="/nbextensions/renderjs_nbextension/loading_gadget.html" data-gadget-scope="public"></div>');
rJS.manualBootstrap();
});
});
});
} else {
console.log("~~ Renderjs seems to be initialized already!");
}
</script>
'''
display(HTML(script))
# Load a gadget given a URL to the HTML file of the gadget
# -> Generates a new uid for the gadget to-be-loaded
# -> Fires an event which loading_gadget listens on and passes on the URL
# -> returns the python gadget-object which has the uid as member-variable
def load_gadget(gadgetUrl):
from IPython.core.display import display, HTML
import uuid
gadgetId = str(uuid.uuid4())
script = '''
<script>
var load_event = new CustomEvent("load_gadget",
{ "detail": { "url": "''' + gadgetUrl + '", "gadgetId": "' + gadgetId + '''" }});
var loadingDiv = document.querySelector(".loading_gadget");
if(loadingDiv != null) {
loadingDiv.dispatchEvent(load_event);
} else {
console.log("~~ load: RenderJS init required first!");
}
</script>
'''
display(HTML(script))
return RJSGadget(gadgetId)
from setuptools import setup
setup(
name='renderjs_ipyextension',
version='0.0.4',
packages=['renderjs_ipyextension'],
# PyPI Data
author='Sebastian Kreisel',
author_email='sebastian.kreisel@nexedi.com',
description='RenderJS gadgets for jupyter (frontend-part)',
keywords='renderjs jupyter nbextension',
license='GPL 2',
url='https://lab.nexedi.com/Kreisel/renderjs_extension'
)
GNU GENERAL PUBLIC LICENSE
Version 2, June 1991
Copyright (C) 1989, 1991 Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
Everyone is permitted to copy and distribute verbatim copies
of this license document, but changing it is not allowed.
Preamble
The licenses for most software are designed to take away your
freedom to share and change it. By contrast, the GNU General Public
License is intended to guarantee your freedom to share and change free
software--to make sure the software is free for all its users. This
General Public License applies to most of the Free Software
Foundation's software and to any other program whose authors commit to
using it. (Some other Free Software Foundation software is covered by
the GNU Lesser General Public License instead.) You can apply it to
your programs, too.
When we speak of free software, we are referring to freedom, not
price. Our General Public Licenses are designed to make sure that you
have the freedom to distribute copies of free software (and charge for
this service if you wish), that you receive source code or can get it
if you want it, that you can change the software or use pieces of it
in new free programs; and that you know you can do these things.
To protect your rights, we need to make restrictions that forbid
anyone to deny you these rights or to ask you to surrender the rights.
These restrictions translate to certain responsibilities for you if you
distribute copies of the software, or if you modify it.
For example, if you distribute copies of such a program, whether
gratis or for a fee, you must give the recipients all the rights that
you have. You must make sure that they, too, receive or can get the
source code. And you must show them these terms so they know their
rights.
We protect your rights with two steps: (1) copyright the software, and
(2) offer you this license which gives you legal permission to copy,
distribute and/or modify the software.
Also, for each author's protection and ours, we want to make certain
that everyone understands that there is no warranty for this free
software. If the software is modified by someone else and passed on, we
want its recipients to know that what they have is not the original, so
that any problems introduced by others will not reflect on the original
authors' reputations.
Finally, any free program is threatened constantly by software
patents. We wish to avoid the danger that redistributors of a free
program will individually obtain patent licenses, in effect making the
program proprietary. To prevent this, we have made it clear that any
patent must be licensed for everyone's free use or not licensed at all.
The precise terms and conditions for copying, distribution and
modification follow.
GNU GENERAL PUBLIC LICENSE
TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
0. This License applies to any program or other work which contains
a notice placed by the copyright holder saying it may be distributed
under the terms of this General Public License. The "Program", below,
refers to any such program or work, and a "work based on the Program"
means either the Program or any derivative work under copyright law:
that is to say, a work containing the Program or a portion of it,
either verbatim or with modifications and/or translated into another
language. (Hereinafter, translation is included without limitation in
the term "modification".) Each licensee is addressed as "you".
Activities other than copying, distribution and modification are not
covered by this License; they are outside its scope. The act of
running the Program is not restricted, and the output from the Program
is covered only if its contents constitute a work based on the
Program (independent of having been made by running the Program).
Whether that is true depends on what the Program does.
1. You may copy and distribute verbatim copies of the Program's
source code as you receive it, in any medium, provided that you
conspicuously and appropriately publish on each copy an appropriate
copyright notice and disclaimer of warranty; keep intact all the
notices that refer to this License and to the absence of any warranty;
and give any other recipients of the Program a copy of this License
along with the Program.
You may charge a fee for the physical act of transferring a copy, and
you may at your option offer warranty protection in exchange for a fee.
2. You may modify your copy or copies of the Program or any portion
of it, thus forming a work based on the Program, and copy and
distribute such modifications or work under the terms of Section 1
above, provided that you also meet all of these conditions:
a) You must cause the modified files to carry prominent notices
stating that you changed the files and the date of any change.
b) You must cause any work that you distribute or publish, that in
whole or in part contains or is derived from the Program or any
part thereof, to be licensed as a whole at no charge to all third
parties under the terms of this License.
c) If the modified program normally reads commands interactively
when run, you must cause it, when started running for such
interactive use in the most ordinary way, to print or display an
announcement including an appropriate copyright notice and a
notice that there is no warranty (or else, saying that you provide
a warranty) and that users may redistribute the program under
these conditions, and telling the user how to view a copy of this
License. (Exception: if the Program itself is interactive but
does not normally print such an announcement, your work based on
the Program is not required to print an announcement.)
These requirements apply to the modified work as a whole. If
identifiable sections of that work are not derived from the Program,
and can be reasonably considered independent and separate works in
themselves, then this License, and its terms, do not apply to those
sections when you distribute them as separate works. But when you
distribute the same sections as part of a whole which is a work based
on the Program, the distribution of the whole must be on the terms of
this License, whose permissions for other licensees extend to the
entire whole, and thus to each and every part regardless of who wrote it.
Thus, it is not the intent of this section to claim rights or contest
your rights to work written entirely by you; rather, the intent is to
exercise the right to control the distribution of derivative or
collective works based on the Program.
In addition, mere aggregation of another work not based on the Program
with the Program (or with a work based on the Program) on a volume of
a storage or distribution medium does not bring the other work under
the scope of this License.
3. You may copy and distribute the Program (or a work based on it,
under Section 2) in object code or executable form under the terms of
Sections 1 and 2 above provided that you also do one of the following:
a) Accompany it with the complete corresponding machine-readable
source code, which must be distributed under the terms of Sections
1 and 2 above on a medium customarily used for software interchange; or,
b) Accompany it with a written offer, valid for at least three
years, to give any third party, for a charge no more than your
cost of physically performing source distribution, a complete
machine-readable copy of the corresponding source code, to be
distributed under the terms of Sections 1 and 2 above on a medium
customarily used for software interchange; or,
c) Accompany it with the information you received as to the offer
to distribute corresponding source code. (This alternative is
allowed only for noncommercial distribution and only if you
received the program in object code or executable form with such
an offer, in accord with Subsection b above.)
The source code for a work means the preferred form of the work for
making modifications to it. For an executable work, complete source
code means all the source code for all modules it contains, plus any
associated interface definition files, plus the scripts used to
control compilation and installation of the executable. However, as a
special exception, the source code distributed need not include
anything that is normally distributed (in either source or binary
form) with the major components (compiler, kernel, and so on) of the
operating system on which the executable runs, unless that component
itself accompanies the executable.
If distribution of executable or object code is made by offering
access to copy from a designated place, then offering equivalent
access to copy the source code from the same place counts as
distribution of the source code, even though third parties are not
compelled to copy the source along with the object code.
4. You may not copy, modify, sublicense, or distribute the Program
except as expressly provided under this License. Any attempt
otherwise to copy, modify, sublicense or distribute the Program is
void, and will automatically terminate your rights under this License.
However, parties who have received copies, or rights, from you under
this License will not have their licenses terminated so long as such
parties remain in full compliance.
5. You are not required to accept this License, since you have not
signed it. However, nothing else grants you permission to modify or
distribute the Program or its derivative works. These actions are
prohibited by law if you do not accept this License. Therefore, by
modifying or distributing the Program (or any work based on the
Program), you indicate your acceptance of this License to do so, and
all its terms and conditions for copying, distributing or modifying
the Program or works based on it.
6. Each time you redistribute the Program (or any work based on the
Program), the recipient automatically receives a license from the
original licensor to copy, distribute or modify the Program subject to
these terms and conditions. You may not impose any further
restrictions on the recipients' exercise of the rights granted herein.
You are not responsible for enforcing compliance by third parties to
this License.
7. If, as a consequence of a court judgment or allegation of patent
infringement or for any other reason (not limited to patent issues),
conditions are imposed on you (whether by court order, agreement or
otherwise) that contradict the conditions of this License, they do not
excuse you from the conditions of this License. If you cannot
distribute so as to satisfy simultaneously your obligations under this
License and any other pertinent obligations, then as a consequence you
may not distribute the Program at all. For example, if a patent
license would not permit royalty-free redistribution of the Program by
all those who receive copies directly or indirectly through you, then
the only way you could satisfy both it and this License would be to
refrain entirely from distribution of the Program.
If any portion of this section is held invalid or unenforceable under
any particular circumstance, the balance of the section is intended to
apply and the section as a whole is intended to apply in other
circumstances.
It is not the purpose of this section to induce you to infringe any
patents or other property right claims or to contest validity of any
such claims; this section has the sole purpose of protecting the
integrity of the free software distribution system, which is
implemented by public license practices. Many people have made
generous contributions to the wide range of software distributed
through that system in reliance on consistent application of that
system; it is up to the author/donor to decide if he or she is willing
to distribute software through any other system and a licensee cannot
impose that choice.
This section is intended to make thoroughly clear what is believed to
be a consequence of the rest of this License.
8. If the distribution and/or use of the Program is restricted in
certain countries either by patents or by copyrighted interfaces, the
original copyright holder who places the Program under this License
may add an explicit geographical distribution limitation excluding
those countries, so that distribution is permitted only in or among
countries not thus excluded. In such case, this License incorporates
the limitation as if written in the body of this License.
9. The Free Software Foundation may publish revised and/or new versions
of the General Public License from time to time. Such new versions will
be similar in spirit to the present version, but may differ in detail to
address new problems or concerns.
Each version is given a distinguishing version number. If the Program
specifies a version number of this License which applies to it and "any
later version", you have the option of following the terms and conditions
either of that version or of any later version published by the Free
Software Foundation. If the Program does not specify a version number of
this License, you may choose any version ever published by the Free Software
Foundation.
10. If you wish to incorporate parts of the Program into other free
programs whose distribution conditions are different, write to the author
to ask for permission. For software which is copyrighted by the Free
Software Foundation, write to the Free Software Foundation; we sometimes
make exceptions for this. Our decision will be guided by the two goals
of preserving the free status of all derivatives of our free software and
of promoting the sharing and reuse of software generally.
NO WARRANTY
11. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY
FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW. EXCEPT WHEN
OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES
PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED
OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE ENTIRE RISK AS
TO THE QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU. SHOULD THE
PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING,
REPAIR OR CORRECTION.
12. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR
REDISTRIBUTE THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES,
INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING
OUT OF THE USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED
TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY
YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER
PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE
POSSIBILITY OF SUCH DAMAGES.
END OF TERMS AND CONDITIONS
How to Apply These Terms to Your New Programs
If you develop a new program, and you want it to be of the greatest
possible use to the public, the best way to achieve this is to make it
free software which everyone can redistribute and change under these terms.
To do so, attach the following notices to the program. It is safest
to attach them to the start of each source file to most effectively
convey the exclusion of warranty; and each file should have at least
the "copyright" line and a pointer to where the full notice is found.
<one line to give the program's name and a brief idea of what it does.>
Copyright (C) <year> <name of author>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
Also add information on how to contact you by electronic and paper mail.
If the program is interactive, make it output a short notice like this
when it starts in an interactive mode:
Gnomovision version 69, Copyright (C) year name of author
Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
This is free software, and you are welcome to redistribute it
under certain conditions; type `show c' for details.
The hypothetical commands `show w' and `show c' should show the appropriate
parts of the General Public License. Of course, the commands you use may
be called something other than `show w' and `show c'; they could even be
mouse-clicks or menu items--whatever suits your program.
You should also get your employer (if you work as a programmer) or your
school, if any, to sign a "copyright disclaimer" for the program, if
necessary. Here is a sample; alter the names:
Yoyodyne, Inc., hereby disclaims all copyright interest in the program
`Gnomovision' (which makes passes at compilers) written by James Hacker.
<signature of Ty Coon>, 1 April 1989
Ty Coon, President of Vice
This General Public License does not permit incorporating your program into
proprietary programs. If your program is a subroutine library, you may
consider it more useful to permit linking proprietary applications with the
library. If this is what you want to do, use the GNU Lesser General
Public License instead of this License.
# Frontend part of the jupyter extension for RenderJS
TODO
\ No newline at end of file
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-type" content="text/html; charset=utf-8" />
<title>Test Gadget</title>
<script src="loading_gadget.js" type="text/javascript"></script>
<!--
div element to dispatch/receive events on to communicate between
the ipython-extension (backend) and the nbextension (frontend)
-->
<div class="loading_gadget"></div>
</head>
<body>
</body>
</html>
/*global window, rJS, jIO, FormData */
/*jslint indent: 2, maxerr: 3 */
(function (window, rJS) {
"use strict";
rJS(window)
.ready(function (gadget) {
console.log("~~ loading_gadget: is ready");
return gadget;
})
/*
Service listening to load gadget-events (which creates the gadget)
*/
.declareService(function () {
var gadget = this;
function loadGadget(e) {
// The URL of the gadget-to-be-loaded
var url = e.detail.url;
// The uid of the gadget-to-be-loaded
var gadgetId = e.detail.gadgetId;
console.log("~~ gadgetID=" + gadgetId);
console.log("~~ trying to load gadget with url=" + url);
// Find the running/post-active cell to append the
// gadget-to-be-loaded to
var gadgetParent = null;
var notebookcontainer = $("#notebook-container");
// If this gets executed quick the cell might still be "running"
gadgetParent = document.querySelector(".running");
// If no cell is running take the cell before the currently active
// cell as parent
if(gadgetParent != null) {
var activeIndex = -1;
// Find the index of the class=selected cell
for(var i = 0; i < notebookcontainer.children(".cell").length; i++) {
var iele = notebookcontainer.children(".cell")[i];
if((' ' + iele.className + ' ').indexOf(' selected ') > -1) {
activeIndex = i;
break;
}
}
// The cell before the selected cell is what we want
gadgetParent = notebookcontainer.children(".cell")[activeIndex - 1];
}
if(gadgetParent == null) {
console.log("~~ ERROR: gadgetParent is null");
return;
}
// If there is already a gadget associated with the cell, destroy it
// (overwrite it)
if (gadgetParent.querySelector(".external_gadget") != null) {
gadgetParent.removeChild(gadgetParent.querySelector(".external_gadget"));
}
// Create the gadget's div
var gadgetDiv = document.createElement("div");
gadgetDiv.className += "external_gadget";
gadgetParent.appendChild(gadgetDiv);
var options = {
element: gadgetDiv,
sandbox: "iframe",
scope: gadgetId
};
// Create the new gadget in an iframe
return gadget.declareGadget(url, options)
.push(function(external_gadget) {
external_gadget.getElement()
.push(function(element) {
element.querySelector("iframe").style.width="100%";
element.querySelector("iframe").style.height="400px";
//element.querySelector("iframe"). += " " + gadgetId;
return element;
});
return external_gadget;
});
}
// Listener for "load gadget" events
return gadget.getElement()
.push(function(ele) {
return loopEventListener(ele.querySelector(".loading_gadget"),
'load_gadget', false, loadGadget);
});
})
/*
Service listening to destroy-events
*/
.declareService(function () {
var gadget = this;
function destroyGadget(e) {
// The uid of the gadget-to-be-destroyed
var gadgetId = e.detail.gadgetId;
console.log("~~ destroying gadget with id=" + gadgetId);
// Get the dom-element of the gadget and remove it thereby destroying
// the gadget itself
gadget.getDeclaredGadget(gadgetId)
.push(function(subGadget) {
subGadget.getElement()
.push(function(ele) {
ele.parentNode.removeChild(ele);
console.log("~~ destroyed gadget!");
});
});
}
// Listener for "destroy" events
return gadget.getElement()
.push(function(ele) {
return loopEventListener(ele.querySelector(".loading_gadget"),
'destroy_gadget', false, destroyGadget);
});
})
/*
Service listening to callDeclMethod-events
*/
.declareService(function() {
var gadget = this;
function callGadget(e) {
// The id of the gadget-to-be-called
var gadgetId = e.detail.gadgetId;
var methodName = e.detail.methodName;
// Parse the JSON which got created in the backend via python json
var methodArgList = JSON.parse(e.detail.methodArgs);
console.log(methodArgList);
gadget.getDeclaredGadget(gadgetId)
.push(function(subGadget) {
// Called methodName on subGadget and use subGadget as this and
// methodArgList as arguments
subGadget[methodName].apply(subGadget, methodArgList);
});
}
// Listener for "call" events
return gadget.getElement()
.push(function(ele) {
return loopEventListener(ele.querySelector(".loading_gadget"),
'call_gadget', false, callGadget);
});
});
}(window, rJS));
define([
'base/js/namespace'
], function(Jupyter) {
function load_ipython_extension() {
console.log("~~ nbextension (frontend) loaded");
};
return {
load_ipython_extension: load_ipython_extension
};
});
{
"load_extensions": {
"renderjs_nbextension/main": true
}
}
/*
* js_channel is a very lightweight abstraction on top of
* postMessage which defines message formats and semantics
* to support interactions more rich than just message passing
* js_channel supports:
* + query/response - traditional rpc
* + query/update/response - incremental async return of results
* to a query
* + notifications - fire and forget
* + error handling
*
* js_channel is based heavily on json-rpc, but is focused at the
* problem of inter-iframe RPC.
*
* Message types:
* There are 5 types of messages that can flow over this channel,
* and you may determine what type of message an object is by
* examining its parameters:
* 1. Requests
* + integer id
* + string method
* + (optional) any params
* 2. Callback Invocations (or just "Callbacks")
* + integer id
* + string callback
* + (optional) params
* 3. Error Responses (or just "Errors)
* + integer id
* + string error
* + (optional) string message
* 4. Responses
* + integer id
* + (optional) any result
* 5. Notifications
* + string method
* + (optional) any params
*/
;var Channel = (function() {
"use strict";
// current transaction id, start out at a random *odd* number between 1 and a million
// There is one current transaction counter id per page, and it's shared between
// channel instances. That means of all messages posted from a single javascript
// evaluation context, we'll never have two with the same id.
var s_curTranId = Math.floor(Math.random()*1000001);
// no two bound channels in the same javascript evaluation context may have the same origin, scope, and window.
// futher if two bound channels have the same window and scope, they may not have *overlapping* origins
// (either one or both support '*'). This restriction allows a single onMessage handler to efficiently
// route messages based on origin and scope. The s_boundChans maps origins to scopes, to message
// handlers. Request and Notification messages are routed using this table.
// Finally, channels are inserted into this table when built, and removed when destroyed.
var s_boundChans = { };
// add a channel to s_boundChans, throwing if a dup exists
function s_addBoundChan(win, origin, scope, handler) {
function hasWin(arr) {
for (var i = 0; i < arr.length; i++) if (arr[i].win === win) return true;
return false;
}
// does she exist?
var exists = false;
if (origin === '*') {
// we must check all other origins, sadly.
for (var k in s_boundChans) {
if (!s_boundChans.hasOwnProperty(k)) continue;
if (k === '*') continue;
if (typeof s_boundChans[k][scope] === 'object') {
exists = hasWin(s_boundChans[k][scope]);
if (exists) break;
}
}
} else {
// we must check only '*'
if ((s_boundChans['*'] && s_boundChans['*'][scope])) {
exists = hasWin(s_boundChans['*'][scope]);
}
if (!exists && s_boundChans[origin] && s_boundChans[origin][scope])
{
exists = hasWin(s_boundChans[origin][scope]);
}
}
if (exists) throw "A channel is already bound to the same window which overlaps with origin '"+ origin +"' and has scope '"+scope+"'";
if (typeof s_boundChans[origin] != 'object') s_boundChans[origin] = { };
if (typeof s_boundChans[origin][scope] != 'object') s_boundChans[origin][scope] = [ ];
s_boundChans[origin][scope].push({win: win, handler: handler});
}
function s_removeBoundChan(win, origin, scope) {
var arr = s_boundChans[origin][scope];
for (var i = 0; i < arr.length; i++) {
if (arr[i].win === win) {
arr.splice(i,1);
}
}
if (s_boundChans[origin][scope].length === 0) {
delete s_boundChans[origin][scope];
}
}
function s_isArray(obj) {
if (Array.isArray) return Array.isArray(obj);
else {
return (obj.constructor.toString().indexOf("Array") != -1);
}
}
// No two outstanding outbound messages may have the same id, period. Given that, a single table
// mapping "transaction ids" to message handlers, allows efficient routing of Callback, Error, and
// Response messages. Entries are added to this table when requests are sent, and removed when
// responses are received.
var s_transIds = { };
// class singleton onMessage handler
// this function is registered once and all incoming messages route through here. This
// arrangement allows certain efficiencies, message data is only parsed once and dispatch
// is more efficient, especially for large numbers of simultaneous channels.
var s_onMessage = function(e) {
try {
var m = JSON.parse(e.data);
if (typeof m !== 'object' || m === null) throw "malformed";
} catch(e) {
// just ignore any posted messages that do not consist of valid JSON
return;
}
var w = e.source;
var o = e.origin;
var s, i, meth;
if (typeof m.method === 'string') {
var ar = m.method.split('::');
if (ar.length == 2) {
s = ar[0];
meth = ar[1];
} else {
meth = m.method;
}
}
if (typeof m.id !== 'undefined') i = m.id;
// w is message source window
// o is message origin
// m is parsed message
// s is message scope
// i is message id (or undefined)
// meth is unscoped method name
// ^^ based on these factors we can route the message
// if it has a method it's either a notification or a request,
// route using s_boundChans
if (typeof meth === 'string') {
var delivered = false;
if (s_boundChans[o] && s_boundChans[o][s]) {
for (var j = 0; j < s_boundChans[o][s].length; j++) {
if (s_boundChans[o][s][j].win === w) {
s_boundChans[o][s][j].handler(o, meth, m);
delivered = true;
break;
}
}
}
if (!delivered && s_boundChans['*'] && s_boundChans['*'][s]) {
for (var j = 0; j < s_boundChans['*'][s].length; j++) {
if (s_boundChans['*'][s][j].win === w) {
s_boundChans['*'][s][j].handler(o, meth, m);
break;
}
}
}
}
// otherwise it must have an id (or be poorly formed
else if (typeof i != 'undefined') {
if (s_transIds[i]) s_transIds[i](o, meth, m);
}
};
// Setup postMessage event listeners
if (window.addEventListener) window.addEventListener('message', s_onMessage, false);
else if(window.attachEvent) window.attachEvent('onmessage', s_onMessage);
/* a messaging channel is constructed from a window and an origin.
* the channel will assert that all messages received over the
* channel match the origin
*
* Arguments to Channel.build(cfg):
*
* cfg.window - the remote window with which we'll communicate
* cfg.origin - the expected origin of the remote window, may be '*'
* which matches any origin
* cfg.scope - the 'scope' of messages. a scope string that is
* prepended to message names. local and remote endpoints
* of a single channel must agree upon scope. Scope may
* not contain double colons ('::').
* cfg.debugOutput - A boolean value. If true and window.console.log is
* a function, then debug strings will be emitted to that
* function.
* cfg.debugOutput - A boolean value. If true and window.console.log is
* a function, then debug strings will be emitted to that
* function.
* cfg.postMessageObserver - A function that will be passed two arguments,
* an origin and a message. It will be passed these immediately
* before messages are posted.
* cfg.gotMessageObserver - A function that will be passed two arguments,
* an origin and a message. It will be passed these arguments
* immediately after they pass scope and origin checks, but before
* they are processed.
* cfg.onReady - A function that will be invoked when a channel becomes "ready",
* this occurs once both sides of the channel have been
* instantiated and an application level handshake is exchanged.
* the onReady function will be passed a single argument which is
* the channel object that was returned from build().
*/
return {
build: function(cfg) {
var debug = function(m) {
if (cfg.debugOutput && window.console && window.console.log) {
// try to stringify, if it doesn't work we'll let javascript's built in toString do its magic
try { if (typeof m !== 'string') m = JSON.stringify(m); } catch(e) { }
console.log("["+chanId+"] " + m);
}
};
/* browser capabilities check */
if (!window.postMessage) throw("jschannel cannot run this browser, no postMessage");
if (!window.JSON || !window.JSON.stringify || ! window.JSON.parse) {
throw("jschannel cannot run this browser, no JSON parsing/serialization");
}
/* basic argument validation */
if (typeof cfg != 'object') throw("Channel build invoked without a proper object argument");
if (!cfg.window || !cfg.window.postMessage) throw("Channel.build() called without a valid window argument");
/* we'd have to do a little more work to be able to run multiple channels that intercommunicate the same
* window... Not sure if we care to support that */
if (window === cfg.window) throw("target window is same as present window -- not allowed");
// let's require that the client specify an origin. if we just assume '*' we'll be
// propagating unsafe practices. that would be lame.
var validOrigin = false;
if (typeof cfg.origin === 'string') {
var oMatch;
if (cfg.origin === "*") validOrigin = true;
// allow valid domains under http and https. Also, trim paths off otherwise valid origins.
else if (null !== (oMatch = cfg.origin.match(/^https?:\/\/(?:[-a-zA-Z0-9_\.])+(?::\d+)?/))) {
cfg.origin = oMatch[0].toLowerCase();
validOrigin = true;
}
}
if (!validOrigin) throw ("Channel.build() called with an invalid origin");
if (typeof cfg.scope !== 'undefined') {
if (typeof cfg.scope !== 'string') throw 'scope, when specified, must be a string';
if (cfg.scope.split('::').length > 1) throw "scope may not contain double colons: '::'";
}
/* private variables */
// generate a random and psuedo unique id for this channel
var chanId = (function () {
var text = "";
var alpha = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
for(var i=0; i < 5; i++) text += alpha.charAt(Math.floor(Math.random() * alpha.length));
return text;
})();
// registrations: mapping method names to call objects
var regTbl = { };
// current oustanding sent requests
var outTbl = { };
// current oustanding received requests
var inTbl = { };
// are we ready yet? when false we will block outbound messages.
var ready = false;
var pendingQueue = [ ];
var createTransaction = function(id,origin,callbacks) {
var shouldDelayReturn = false;
var completed = false;
return {
origin: origin,
invoke: function(cbName, v) {
// verify in table
if (!inTbl[id]) throw "attempting to invoke a callback of a nonexistent transaction: " + id;
// verify that the callback name is valid
var valid = false;
for (var i = 0; i < callbacks.length; i++) if (cbName === callbacks[i]) { valid = true; break; }
if (!valid) throw "request supports no such callback '" + cbName + "'";
// send callback invocation
postMessage({ id: id, callback: cbName, params: v});
},
error: function(error, message) {
completed = true;
// verify in table
if (!inTbl[id]) throw "error called for nonexistent message: " + id;
// remove transaction from table
delete inTbl[id];
// send error
postMessage({ id: id, error: error, message: message });
},
complete: function(v) {
completed = true;
// verify in table
if (!inTbl[id]) throw "complete called for nonexistent message: " + id;
// remove transaction from table
delete inTbl[id];
// send complete
postMessage({ id: id, result: v });
},
delayReturn: function(delay) {
if (typeof delay === 'boolean') {
shouldDelayReturn = (delay === true);
}
return shouldDelayReturn;
},
completed: function() {
return completed;
}
};
};
var setTransactionTimeout = function(transId, timeout, method) {
return window.setTimeout(function() {
if (outTbl[transId]) {
// XXX: what if client code raises an exception here?
var msg = "timeout (" + timeout + "ms) exceeded on method '" + method + "'";
(1,outTbl[transId].error)("timeout_error", msg);
delete outTbl[transId];
delete s_transIds[transId];
}
}, timeout);
};
var onMessage = function(origin, method, m) {
// if an observer was specified at allocation time, invoke it
if (typeof cfg.gotMessageObserver === 'function') {
// pass observer a clone of the object so that our
// manipulations are not visible (i.e. method unscoping).
// This is not particularly efficient, but then we expect
// that message observers are primarily for debugging anyway.
try {
cfg.gotMessageObserver(origin, m);
} catch (e) {
debug("gotMessageObserver() raised an exception: " + e.toString());
}
}
// now, what type of message is this?
if (m.id && method) {
// a request! do we have a registered handler for this request?
if (regTbl[method]) {
var trans = createTransaction(m.id, origin, m.callbacks ? m.callbacks : [ ]);
inTbl[m.id] = { };
try {
// callback handling. we'll magically create functions inside the parameter list for each
// callback
if (m.callbacks && s_isArray(m.callbacks) && m.callbacks.length > 0) {
for (var i = 0; i < m.callbacks.length; i++) {
var path = m.callbacks[i];
var obj = m.params;
var pathItems = path.split('/');
for (var j = 0; j < pathItems.length - 1; j++) {
var cp = pathItems[j];
if (typeof obj[cp] !== 'object') obj[cp] = { };
obj = obj[cp];
}
obj[pathItems[pathItems.length - 1]] = (function() {
var cbName = path;
return function(params) {
return trans.invoke(cbName, params);
};
})();
}
}
var resp = regTbl[method](trans, m.params);
if (!trans.delayReturn() && !trans.completed()) trans.complete(resp);
} catch(e) {
// automagic handling of exceptions:
var error = "runtime_error";
var message = null;
// * if it's a string then it gets an error code of 'runtime_error' and string is the message
if (typeof e === 'string') {
message = e;
} else if (typeof e === 'object') {
// either an array or an object
// * if it's an array of length two, then array[0] is the code, array[1] is the error message
if (e && s_isArray(e) && e.length == 2) {
error = e[0];
message = e[1];
}
// * if it's an object then we'll look form error and message parameters
else if (typeof e.error === 'string') {
error = e.error;
if (!e.message) message = "";
else if (typeof e.message === 'string') message = e.message;
else e = e.message; // let the stringify/toString message give us a reasonable verbose error string
}
}
// message is *still* null, let's try harder
if (message === null) {
try {
message = JSON.stringify(e);
/* On MSIE8, this can result in 'out of memory', which
* leaves message undefined. */
if (typeof(message) == 'undefined')
message = e.toString();
} catch (e2) {
message = e.toString();
}
}
trans.error(error,message);
}
}
} else if (m.id && m.callback) {
if (!outTbl[m.id] ||!outTbl[m.id].callbacks || !outTbl[m.id].callbacks[m.callback])
{
debug("ignoring invalid callback, id:"+m.id+ " (" + m.callback +")");
} else {
// XXX: what if client code raises an exception here?
outTbl[m.id].callbacks[m.callback](m.params);
}
} else if (m.id) {
if (!outTbl[m.id]) {
debug("ignoring invalid response: " + m.id);
} else {
// XXX: what if client code raises an exception here?
if (m.error) {
(1,outTbl[m.id].error)(m.error, m.message);
} else {
if (m.result !== undefined) (1,outTbl[m.id].success)(m.result);
else (1,outTbl[m.id].success)();
}
delete outTbl[m.id];
delete s_transIds[m.id];
}
} else if (method) {
// tis a notification.
if (regTbl[method]) {
// yep, there's a handler for that.
// transaction has only origin for notifications.
regTbl[method]({ origin: origin }, m.params);
// if the client throws, we'll just let it bubble out
// what can we do? Also, here we'll ignore return values
}
}
};
// now register our bound channel for msg routing
s_addBoundChan(cfg.window, cfg.origin, ((typeof cfg.scope === 'string') ? cfg.scope : ''), onMessage);
// scope method names based on cfg.scope specified when the Channel was instantiated
var scopeMethod = function(m) {
if (typeof cfg.scope === 'string' && cfg.scope.length) m = [cfg.scope, m].join("::");
return m;
};
// a small wrapper around postmessage whose primary function is to handle the
// case that clients start sending messages before the other end is "ready"
var postMessage = function(msg, force) {
if (!msg) throw "postMessage called with null message";
// delay posting if we're not ready yet.
var verb = (ready ? "post " : "queue ");
debug(verb + " message: " + JSON.stringify(msg));
if (!force && !ready) {
pendingQueue.push(msg);
} else {
if (typeof cfg.postMessageObserver === 'function') {
try {
cfg.postMessageObserver(cfg.origin, msg);
} catch (e) {
debug("postMessageObserver() raised an exception: " + e.toString());
}
}
cfg.window.postMessage(JSON.stringify(msg), cfg.origin);
}
};
var onReady = function(trans, type) {
debug('ready msg received');
if (ready) throw "received ready message while in ready state. help!";
if (type === 'ping') {
chanId += '-R';
} else {
chanId += '-L';
}
obj.unbind('__ready'); // now this handler isn't needed any more.
ready = true;
debug('ready msg accepted.');
if (type === 'ping') {
obj.notify({ method: '__ready', params: 'pong' });
}
// flush queue
while (pendingQueue.length) {
postMessage(pendingQueue.pop());
}
// invoke onReady observer if provided
if (typeof cfg.onReady === 'function') cfg.onReady(obj);
};
var obj = {
// tries to unbind a bound message handler. returns false if not possible
unbind: function (method) {
if (regTbl[method]) {
if (!(delete regTbl[method])) throw ("can't delete method: " + method);
return true;
}
return false;
},
bind: function (method, cb) {
if (!method || typeof method !== 'string') throw "'method' argument to bind must be string";
if (!cb || typeof cb !== 'function') throw "callback missing from bind params";
if (regTbl[method]) throw "method '"+method+"' is already bound!";
regTbl[method] = cb;
return this;
},
call: function(m) {
if (!m) throw 'missing arguments to call function';
if (!m.method || typeof m.method !== 'string') throw "'method' argument to call must be string";
if (!m.success || typeof m.success !== 'function') throw "'success' callback missing from call";
// now it's time to support the 'callback' feature of jschannel. We'll traverse the argument
// object and pick out all of the functions that were passed as arguments.
var callbacks = { };
var callbackNames = [ ];
var pruneFunctions = function (path, obj) {
if (typeof obj === 'object') {
for (var k in obj) {
if (!obj.hasOwnProperty(k)) continue;
var np = path + (path.length ? '/' : '') + k;
if (typeof obj[k] === 'function') {
callbacks[np] = obj[k];
callbackNames.push(np);
delete obj[k];
} else if (typeof obj[k] === 'object') {
pruneFunctions(np, obj[k]);
}
}
}
};
pruneFunctions("", m.params);
// build a 'request' message and send it
var msg = { id: s_curTranId, method: scopeMethod(m.method), params: m.params };
if (callbackNames.length) msg.callbacks = callbackNames;
if (m.timeout)
// XXX: This function returns a timeout ID, but we don't do anything with it.
// We might want to keep track of it so we can cancel it using clearTimeout()
// when the transaction completes.
setTransactionTimeout(s_curTranId, m.timeout, scopeMethod(m.method));
// insert into the transaction table
outTbl[s_curTranId] = { callbacks: callbacks, error: m.error, success: m.success };
s_transIds[s_curTranId] = onMessage;
// increment current id
s_curTranId++;
postMessage(msg);
},
notify: function(m) {
if (!m) throw 'missing arguments to notify function';
if (!m.method || typeof m.method !== 'string') throw "'method' argument to notify must be string";
// no need to go into any transaction table
postMessage({ method: scopeMethod(m.method), params: m.params });
},
destroy: function () {
s_removeBoundChan(cfg.window, cfg.origin, ((typeof cfg.scope === 'string') ? cfg.scope : ''));
if (window.removeEventListener) window.removeEventListener('message', onMessage, false);
else if(window.detachEvent) window.detachEvent('onmessage', onMessage);
ready = false;
regTbl = { };
inTbl = { };
outTbl = { };
cfg.origin = null;
pendingQueue = [ ];
debug("channel destroyed");
chanId = "";
}
};
obj.bind('__ready', onReady);
setTimeout(function() {
postMessage({ method: scopeMethod('__ready'), params: "ping" }, true);
}, 0);
return obj;
}
};
})();
;/*
* DOMParser HTML extension
* 2012-09-04
*
* By Eli Grey, http://eligrey.com
* Public domain.
* NO WARRANTY EXPRESSED OR IMPLIED. USE AT YOUR OWN RISK.
*/
/*! @source https://gist.github.com/1129031 */
(function (DOMParser) {
"use strict";
var DOMParser_proto = DOMParser.prototype,
real_parseFromString = DOMParser_proto.parseFromString;
// Firefox/Opera/IE throw errors on unsupported types
try {
// WebKit returns null on unsupported types
if ((new DOMParser()).parseFromString("", "text/html")) {
// text/html parsing is natively supported
return;
}
} catch (ignore) {}
DOMParser_proto.parseFromString = function (markup, type) {
var result, doc, doc_elt, first_elt;
if (/^\s*text\/html\s*(?:;|$)/i.test(type)) {
doc = document.implementation.createHTMLDocument("");
doc_elt = doc.documentElement;
doc_elt.innerHTML = markup;
first_elt = doc_elt.firstElementChild;
if (doc_elt.childElementCount === 1
&& first_elt.localName.toLowerCase() === "html") {
doc.replaceChild(first_elt, doc_elt);
}
result = doc;
} else {
result = real_parseFromString.apply(this, arguments);
}
return result;
};
}(DOMParser));
;// IE does not support have Document.prototype.contains.
if (typeof document.contains !== 'function') {
Document.prototype.contains = function(node) {
if (node === this || node.parentNode === this)
return true;
return this.documentElement.contains(node);
}
}
;/*! RenderJs */
/*jslint nomen: true*/
/*
* renderJs - Generic Gadget library renderer.
* http://www.renderjs.org/documentation
*/
(function (document, window, RSVP, DOMParser, Channel, MutationObserver,
Node, FileReader, Blob, navigator, Event) {
"use strict";
// Necessary in the following scenario:
// > renderjs / rsvp are loaded from js (e.g. with $.getScript)
// without a <script> tag in the parent-html
// > the gadget(s) contain a <script> tag with renderjs which would
// lead to repeated bootstrap and so on
if (window.hasOwnProperty("renderJS")) {
return;
}
function readBlobAsDataURL(blob) {
var fr = new FileReader();
return new RSVP.Promise(function (resolve, reject) {
fr.addEventListener("load", function (evt) {
resolve(evt.target.result);
});
fr.addEventListener("error", reject);
fr.readAsDataURL(blob);
}, function () {
fr.abort();
});
}
function ajax(url) {
var xhr;
function resolver(resolve, reject) {
function handler() {
try {
if (xhr.readyState === 0) {
// UNSENT
reject(xhr);
} else if (xhr.readyState === 4) {
// DONE
if ((xhr.status < 200) || (xhr.status >= 300) ||
(!/^text\/html[;]?/.test(
xhr.getResponseHeader("Content-Type") || ""
))) {
reject(xhr);
} else {
resolve(xhr);
}
}
} catch (e) {
reject(e);
}
}
xhr = new XMLHttpRequest();
xhr.open("GET", url);
xhr.onreadystatechange = handler;
xhr.setRequestHeader('Accept', 'text/html');
xhr.withCredentials = true;
xhr.send();
}
function canceller() {
if ((xhr !== undefined) && (xhr.readyState !== xhr.DONE)) {
xhr.abort();
}
}
return new RSVP.Promise(resolver, canceller);
}
var gadget_model_dict = {},
javascript_registration_dict = {},
stylesheet_registration_dict = {},
gadget_loading_klass,
loading_klass_promise,
renderJS,
Monitor,
scope_increment = 0,
isAbsoluteOrDataURL = new RegExp('^(?:[a-z]+:)?//|data:', 'i'),
is_page_unloaded = false,
error_list = [],
bootstrap_deferred_object = new RSVP.defer();
window.addEventListener('error', function (error) {
error_list.push(error);
});
window.addEventListener('beforeunload', function () {
// XXX If another listener cancel the page unload,
// it will not restore renderJS crash report
is_page_unloaded = true;
});
/////////////////////////////////////////////////////////////////
// Helper functions
/////////////////////////////////////////////////////////////////
function removeHash(url) {
var index = url.indexOf('#');
if (index > 0) {
url = url.substring(0, index);
}
return url;
}
function letsCrash(e) {
var i,
body,
container,
paragraph,
link,
error;
if (is_page_unloaded) {
/*global console*/
console.info('-- Error dropped, as page is unloaded');
console.info(e);
return;
}
error_list.push(e);
// Add error handling stack
error_list.push(new Error('stopping renderJS'));
body = document.getElementsByTagName('body')[0];
while (body.firstChild) {
body.removeChild(body.firstChild);
}
container = document.createElement("section");
paragraph = document.createElement("h1");
paragraph.textContent = 'Unhandled Error';
container.appendChild(paragraph);
paragraph = document.createElement("p");
paragraph.textContent = 'Please report this error to the support team';
container.appendChild(paragraph);
paragraph = document.createElement("p");
paragraph.textContent = 'Location: ';
link = document.createElement("a");
link.href = link.textContent = window.location.toString();
paragraph.appendChild(link);
container.appendChild(paragraph);
paragraph = document.createElement("p");
paragraph.textContent = 'User-agent: ' + navigator.userAgent;
container.appendChild(paragraph);
body.appendChild(container);
for (i = 0; i < error_list.length; i += 1) {
error = error_list[i];
if (error instanceof Event) {
error = {
string: error.toString(),
message: error.message,
type: error.type,
target: error.target
};
if (error.target !== undefined) {
error_list.splice(i + 1, 0, error.target);
}
}
if (error instanceof XMLHttpRequest) {
error = {
message: error.toString(),
readyState: error.readyState,
status: error.status,
statusText: error.statusText,
response: error.response,
responseUrl: error.responseUrl,
response_headers: error.getAllResponseHeaders()
};
}
if (error.constructor === Array ||
error.constructor === String ||
error.constructor === Object) {
try {
error = JSON.stringify(error);
} catch (ignore) {
}
}
container = document.createElement("section");
paragraph = document.createElement("h2");
paragraph.textContent = error.message || error;
container.appendChild(paragraph);
if (error.fileName !== undefined) {
paragraph = document.createElement("p");
paragraph.textContent = 'File: ' +
error.fileName +
': ' + error.lineNumber;
container.appendChild(paragraph);
}
if (error.stack !== undefined) {
paragraph = document.createElement("pre");
paragraph.textContent = 'Stack: ' + error.stack;
container.appendChild(paragraph);
}
body.appendChild(container);
}
// XXX Do not crash the application if it fails
// Where to write the error?
/*global console*/
console.error(e.stack);
console.error(e);
}
/////////////////////////////////////////////////////////////////
// Service Monitor promise
/////////////////////////////////////////////////////////////////
function ResolvedMonitorError(message) {
this.name = "resolved";
if ((message !== undefined) && (typeof message !== "string")) {
throw new TypeError('You must pass a string.');
}
this.message = message || "Default Message";
}
ResolvedMonitorError.prototype = new Error();
ResolvedMonitorError.prototype.constructor = ResolvedMonitorError;
Monitor = function () {
var monitor = this,
promise_list = [],
promise,
reject,
notify,
resolved;
if (!(this instanceof Monitor)) {
return new Monitor();
}
function canceller() {
var len = promise_list.length,
i;
for (i = 0; i < len; i += 1) {
promise_list[i].cancel();
}
// Clean it to speed up other canceller run
promise_list = [];
}
promise = new RSVP.Promise(function (done, fail, progress) {
reject = function (rejectedReason) {
if (resolved) {
return;
}
monitor.isRejected = true;
monitor.rejectedReason = rejectedReason;
resolved = true;
canceller();
return fail(rejectedReason);
};
notify = progress;
}, canceller);
monitor.cancel = function () {
if (resolved) {
return;
}
resolved = true;
promise.cancel();
promise.fail(function (rejectedReason) {
monitor.isRejected = true;
monitor.rejectedReason = rejectedReason;
});
};
monitor.then = function () {
return promise.then.apply(promise, arguments);
};
monitor.fail = function () {
return promise.fail.apply(promise, arguments);
};
monitor.monitor = function (promise_to_monitor) {
if (resolved) {
throw new ResolvedMonitorError();
}
var queue = new RSVP.Queue()
.push(function () {
return promise_to_monitor;
})
.push(function (fulfillmentValue) {
// Promise to monitor is fullfilled, remove it from the list
var len = promise_list.length,
sub_promise_to_monitor,
new_promise_list = [],
i;
for (i = 0; i < len; i += 1) {
sub_promise_to_monitor = promise_list[i];
if (!(sub_promise_to_monitor.isFulfilled ||
sub_promise_to_monitor.isRejected)) {
new_promise_list.push(sub_promise_to_monitor);
}
}
promise_list = new_promise_list;
}, function (rejectedReason) {
if (rejectedReason instanceof RSVP.CancellationError) {
if (!(promise_to_monitor.isFulfilled &&
promise_to_monitor.isRejected)) {
// The queue could be cancelled before the first push is run
promise_to_monitor.cancel();
}
}
reject(rejectedReason);
throw rejectedReason;
}, function (notificationValue) {
notify(notificationValue);
return notificationValue;
});
promise_list.push(queue);
return this;
};
};
Monitor.prototype = Object.create(RSVP.Promise.prototype);
Monitor.prototype.constructor = Monitor;
/////////////////////////////////////////////////////////////////
// RenderJSGadget
/////////////////////////////////////////////////////////////////
function RenderJSGadget() {
if (!(this instanceof RenderJSGadget)) {
return new RenderJSGadget();
}
}
RenderJSGadget.prototype.__title = "";
RenderJSGadget.prototype.__interface_list = [];
RenderJSGadget.prototype.__path = "";
RenderJSGadget.prototype.__html = "";
RenderJSGadget.prototype.__required_css_list = [];
RenderJSGadget.prototype.__required_js_list = [];
function createMonitor(g) {
if (g.__monitor !== undefined) {
g.__monitor.cancel();
}
g.__monitor = new Monitor();
g.__monitor.fail(function (error) {
if (!(error instanceof RSVP.CancellationError)) {
return g.aq_reportServiceError(error);
}
}).fail(function (error) {
// Crash the application if the acquisition generates an error.
return letsCrash(error);
});
}
function clearGadgetInternalParameters(g) {
g.__sub_gadget_dict = {};
createMonitor(g);
}
function loadSubGadgetDOMDeclaration(g) {
var element_list = g.__element.querySelectorAll('[data-gadget-url]'),
element,
promise_list = [],
scope,
url,
sandbox,
i;
for (i = 0; i < element_list.length; i += 1) {
element = element_list[i];
scope = element.getAttribute("data-gadget-scope");
url = element.getAttribute("data-gadget-url");
sandbox = element.getAttribute("data-gadget-sandbox");
if (url !== null) {
promise_list.push(g.declareGadget(url, {
element: element,
scope: scope || undefined,
sandbox: sandbox || undefined
}));
}
}
return RSVP.all(promise_list);
}
RenderJSGadget.__ready_list = [clearGadgetInternalParameters,
loadSubGadgetDOMDeclaration];
RenderJSGadget.ready = function (callback) {
this.__ready_list.push(callback);
return this;
};
RenderJSGadget.__service_list = [];
RenderJSGadget.declareService = function (callback) {
this.__service_list.push(callback);
return this;
};
function startService(gadget) {
gadget.__monitor.monitor(new RSVP.Queue()
.push(function () {
var i,
service_list = gadget.constructor.__service_list;
for (i = 0; i < service_list.length; i += 1) {
gadget.__monitor.monitor(service_list[i].apply(gadget));
}
})
);
}
/////////////////////////////////////////////////////////////////
// RenderJSGadget.declareMethod
/////////////////////////////////////////////////////////////////
RenderJSGadget.declareMethod = function (name, callback) {
this.prototype[name] = function () {
var context = this,
argument_list = arguments;
return new RSVP.Queue()
.push(function () {
return callback.apply(context, argument_list);
});
};
// Allow chain
return this;
};
RenderJSGadget
.declareMethod('getInterfaceList', function () {
// Returns the list of gadget prototype
return this.__interface_list;
})
.declareMethod('getRequiredCSSList', function () {
// Returns a list of CSS required by the gadget
return this.__required_css_list;
})
.declareMethod('getRequiredJSList', function () {
// Returns a list of JS required by the gadget
return this.__required_js_list;
})
.declareMethod('getPath', function () {
// Returns the path of the code of a gadget
return this.__path;
})
.declareMethod('getTitle', function () {
// Returns the title of a gadget
return this.__title;
})
.declareMethod('getElement', function () {
// Returns the DOM Element of a gadget
if (this.__element === undefined) {
throw new Error("No element defined");
}
return this.__element;
});
/////////////////////////////////////////////////////////////////
// RenderJSGadget.declareAcquiredMethod
/////////////////////////////////////////////////////////////////
function acquire(child_gadget, method_name, argument_list) {
var gadget = this,
key,
gadget_scope;
for (key in gadget.__sub_gadget_dict) {
if (gadget.__sub_gadget_dict.hasOwnProperty(key)) {
if (gadget.__sub_gadget_dict[key] === child_gadget) {
gadget_scope = key;
}
}
}
return new RSVP.Queue()
.push(function () {
// Do not specify default __acquired_method_dict on prototype
// to prevent modifying this default value (with
// allowPublicAcquiredMethod for example)
var aq_dict = gadget.__acquired_method_dict || {};
if (aq_dict.hasOwnProperty(method_name)) {
return aq_dict[method_name].apply(gadget,
[argument_list, gadget_scope]);
}
throw new renderJS.AcquisitionError("aq_dynamic is not defined");
})
.push(undefined, function (error) {
if (error instanceof renderJS.AcquisitionError) {
return gadget.__aq_parent(method_name, argument_list);
}
throw error;
});
}
RenderJSGadget.declareAcquiredMethod =
function (name, method_name_to_acquire) {
this.prototype[name] = function () {
var argument_list = Array.prototype.slice.call(arguments, 0),
gadget = this;
return new RSVP.Queue()
.push(function () {
return gadget.__aq_parent(method_name_to_acquire, argument_list);
});
};
// Allow chain
return this;
};
RenderJSGadget.declareAcquiredMethod("aq_reportServiceError",
"reportServiceError");
/////////////////////////////////////////////////////////////////
// RenderJSGadget.allowPublicAcquisition
/////////////////////////////////////////////////////////////////
RenderJSGadget.allowPublicAcquisition =
function (method_name, callback) {
this.prototype.__acquired_method_dict[method_name] = callback;
// Allow chain
return this;
};
// Set aq_parent on gadget_instance which call acquire on parent_gadget
function setAqParent(gadget_instance, parent_gadget) {
gadget_instance.__aq_parent = function (method_name, argument_list) {
return acquire.apply(parent_gadget, [gadget_instance, method_name,
argument_list]);
};
}
/////////////////////////////////////////////////////////////////
// RenderJSEmbeddedGadget
/////////////////////////////////////////////////////////////////
// Class inheritance
function RenderJSEmbeddedGadget() {
if (!(this instanceof RenderJSEmbeddedGadget)) {
return new RenderJSEmbeddedGadget();
}
RenderJSGadget.call(this);
}
RenderJSEmbeddedGadget.__ready_list = RenderJSGadget.__ready_list.slice();
RenderJSEmbeddedGadget.__service_list =
RenderJSGadget.__service_list.slice();
RenderJSEmbeddedGadget.ready =
RenderJSGadget.ready;
RenderJSEmbeddedGadget.declareService =
RenderJSGadget.declareService;
RenderJSEmbeddedGadget.prototype = new RenderJSGadget();
RenderJSEmbeddedGadget.prototype.constructor = RenderJSEmbeddedGadget;
/////////////////////////////////////////////////////////////////
// privateDeclarePublicGadget
/////////////////////////////////////////////////////////////////
function privateDeclarePublicGadget(url, options, parent_gadget) {
var gadget_instance;
if (options.element === undefined) {
options.element = document.createElement("div");
}
function loadDependency(method, url) {
return function () {
return method(url);
};
}
return new RSVP.Queue()
.push(function () {
return renderJS.declareGadgetKlass(url);
})
// Get the gadget class and instanciate it
.push(function (Klass) {
var i,
template_node_list = Klass.__template_element.body.childNodes;
gadget_loading_klass = Klass;
gadget_instance = new Klass();
gadget_instance.__element = options.element;
for (i = 0; i < template_node_list.length; i += 1) {
gadget_instance.__element.appendChild(
template_node_list[i].cloneNode(true)
);
}
setAqParent(gadget_instance, parent_gadget);
// Load dependencies if needed
return RSVP.all([
gadget_instance.getRequiredJSList(),
gadget_instance.getRequiredCSSList()
]);
})
// Load all JS/CSS
.push(function (all_list) {
var q = new RSVP.Queue(),
i;
// Load JS
for (i = 0; i < all_list[0].length; i += 1) {
q.push(loadDependency(renderJS.declareJS, all_list[0][i]));
}
// Load CSS
for (i = 0; i < all_list[1].length; i += 1) {
q.push(loadDependency(renderJS.declareCSS, all_list[1][i]));
}
return q;
})
.push(function () {
return gadget_instance;
});
}
/////////////////////////////////////////////////////////////////
// RenderJSIframeGadget
/////////////////////////////////////////////////////////////////
function RenderJSIframeGadget() {
if (!(this instanceof RenderJSIframeGadget)) {
return new RenderJSIframeGadget();
}
RenderJSGadget.call(this);
}
RenderJSIframeGadget.__ready_list = RenderJSGadget.__ready_list.slice();
RenderJSIframeGadget.ready =
RenderJSGadget.ready;
RenderJSIframeGadget.__service_list = RenderJSGadget.__service_list.slice();
RenderJSIframeGadget.declareService =
RenderJSGadget.declareService;
RenderJSIframeGadget.prototype = new RenderJSGadget();
RenderJSIframeGadget.prototype.constructor = RenderJSIframeGadget;
/////////////////////////////////////////////////////////////////
// privateDeclareIframeGadget
/////////////////////////////////////////////////////////////////
function privateDeclareIframeGadget(url, options, parent_gadget) {
var gadget_instance,
iframe,
iframe_loading_deferred = RSVP.defer();
if (options.element === undefined) {
throw new Error("DOM element is required to create Iframe Gadget " +
url);
}
// Check if the element is attached to the DOM
if (!document.contains(options.element)) {
throw new Error("The parent element is not attached to the DOM for " +
url);
}
gadget_instance = new RenderJSIframeGadget();
setAqParent(gadget_instance, parent_gadget);
iframe = document.createElement("iframe");
// gadget_instance.element.setAttribute("seamless", "seamless");
iframe.setAttribute("src", url);
gadget_instance.__path = url;
gadget_instance.__element = options.element;
// Attach it to the DOM
options.element.appendChild(iframe);
// XXX Manage unbind when deleting the gadget
// Create the communication channel with the iframe
gadget_instance.__chan = Channel.build({
window: iframe.contentWindow,
origin: "*",
scope: "renderJS"
});
// Create new method from the declareMethod call inside the iframe
gadget_instance.__chan.bind("declareMethod",
function (trans, method_name) {
gadget_instance[method_name] = function () {
var argument_list = arguments,
wait_promise = new RSVP.Promise(function (resolve, reject) {
gadget_instance.__chan.call({
method: "methodCall",
params: [
method_name,
Array.prototype.slice.call(argument_list, 0)],
success: function (s) {
resolve(s);
},
error: function (e) {
reject(e);
}
});
});
return new RSVP.Queue()
.push(function () {
return wait_promise;
});
};
return "OK";
});
// Wait for the iframe to be loaded before continuing
gadget_instance.__chan.bind("ready", function (trans) {
iframe_loading_deferred.resolve(gadget_instance);
return "OK";
});
gadget_instance.__chan.bind("failed", function (trans, params) {
iframe_loading_deferred.reject(params);
return "OK";
});
gadget_instance.__chan.bind("acquire", function (trans, params) {
gadget_instance.__aq_parent.apply(gadget_instance, params)
.then(function (g) {
trans.complete(g);
}).fail(function (e) {
trans.error(e.toString());
});
trans.delayReturn(true);
});
return RSVP.any([
iframe_loading_deferred.promise,
// Timeout to prevent non renderJS embeddable gadget
// XXX Maybe using iframe.onload/onerror would be safer?
new RSVP.Queue()
.push(function () {
return RSVP.timeout(5000);
})
.push(undefined, function () {
throw new Error('Timeout while loading: ' + url);
})
]);
}
/////////////////////////////////////////////////////////////////
// privateDeclareDataUrlGadget
/////////////////////////////////////////////////////////////////
function privateDeclareDataUrlGadget(url, options, parent_gadget) {
return new RSVP.Queue()
.push(function () {
return ajax(url);
})
.push(function (xhr) {
// Insert a "base" element, in order to resolve all relative links
// which could get broken with a data url
var doc = (new DOMParser()).parseFromString(xhr.responseText,
'text/html'),
base = doc.createElement('base'),
blob;
base.href = url;
doc.head.insertBefore(base, doc.head.firstChild);
blob = new Blob([doc.documentElement.outerHTML],
{type: "text/html;charset=UTF-8"});
return readBlobAsDataURL(blob);
})
.push(function (data_url) {
return privateDeclareIframeGadget(data_url, options, parent_gadget);
});
}
/////////////////////////////////////////////////////////////////
// RenderJSGadget.declareGadget
/////////////////////////////////////////////////////////////////
RenderJSGadget
.declareMethod('declareGadget', function (url, options) {
var queue,
parent_gadget = this,
local_loading_klass_promise,
previous_loading_klass_promise = loading_klass_promise;
if (options === undefined) {
options = {};
}
if (options.sandbox === undefined) {
options.sandbox = "public";
}
// transform url to absolute url if it is relative
url = renderJS.getAbsoluteURL(url, this.__path);
// Change the global variable to update the loading queue
loading_klass_promise = new RSVP.Queue()
// Wait for previous gadget loading to finish first
.push(function () {
return previous_loading_klass_promise;
})
.push(undefined, function () {
// Forget previous declareGadget error
return;
})
.push(function () {
var method;
if (options.sandbox === "public") {
method = privateDeclarePublicGadget;
} else if (options.sandbox === "iframe") {
method = privateDeclareIframeGadget;
} else if (options.sandbox === "dataurl") {
method = privateDeclareDataUrlGadget;
} else {
throw new Error("Unsupported sandbox options '" +
options.sandbox + "'");
}
return method(url, options, parent_gadget);
})
// Set the HTML context
.push(function (gadget_instance) {
// Drop the current loading klass info used by selector
gadget_loading_klass = undefined;
return gadget_instance;
})
.push(undefined, function (e) {
// Drop the current loading klass info used by selector
// even in case of error
gadget_loading_klass = undefined;
throw e;
});
local_loading_klass_promise = loading_klass_promise;
queue = new RSVP.Queue()
.push(function () {
return local_loading_klass_promise;
})
// Set the HTML context
.push(function (gadget_instance) {
var i,
scope;
// Trigger calling of all ready callback
function ready_wrapper() {
return gadget_instance;
}
for (i = 0; i < gadget_instance.constructor.__ready_list.length;
i += 1) {
// Put a timeout?
queue.push(gadget_instance.constructor.__ready_list[i]);
// Always return the gadget instance after ready function
queue.push(ready_wrapper);
}
// Store local reference to the gadget instance
scope = options.scope;
if (scope === undefined) {
scope = 'RJS_' + scope_increment;
scope_increment += 1;
while (parent_gadget.__sub_gadget_dict.hasOwnProperty(scope)) {
scope = 'RJS_' + scope_increment;
scope_increment += 1;
}
}
parent_gadget.__sub_gadget_dict[scope] = gadget_instance;
gadget_instance.__element.setAttribute("data-gadget-scope",
scope);
// Put some attribute to ease page layout comprehension
gadget_instance.__element.setAttribute("data-gadget-url", url);
gadget_instance.__element.setAttribute("data-gadget-sandbox",
options.sandbox);
gadget_instance.__element._gadget = gadget_instance;
if (document.contains(gadget_instance.__element)) {
// Put a timeout
queue.push(startService);
}
// Always return the gadget instance after ready function
queue.push(ready_wrapper);
return gadget_instance;
});
return queue;
})
.declareMethod('getDeclaredGadget', function (gadget_scope) {
if (!this.__sub_gadget_dict.hasOwnProperty(gadget_scope)) {
throw new Error("Gadget scope '" + gadget_scope + "' is not known.");
}
return this.__sub_gadget_dict[gadget_scope];
})
.declareMethod('dropGadget', function (gadget_scope) {
if (!this.__sub_gadget_dict.hasOwnProperty(gadget_scope)) {
throw new Error("Gadget scope '" + gadget_scope + "' is not known.");
}
// http://perfectionkills.com/understanding-delete/
delete this.__sub_gadget_dict[gadget_scope];
});
/////////////////////////////////////////////////////////////////
// renderJS selector
/////////////////////////////////////////////////////////////////
renderJS = function (selector) {
var result;
if (selector === window) {
// window is the 'this' value when loading a javascript file
// In this case, use the current loading gadget constructor
result = gadget_loading_klass;
}
if (result === undefined) {
throw new Error("Unknown selector '" + selector + "'");
}
return result;
};
/////////////////////////////////////////////////////////////////
// renderJS.AcquisitionError
/////////////////////////////////////////////////////////////////
renderJS.AcquisitionError = function (message) {
this.name = "AcquisitionError";
if ((message !== undefined) && (typeof message !== "string")) {
throw new TypeError('You must pass a string.');
}
this.message = message || "Acquisition failed";
};
renderJS.AcquisitionError.prototype = new Error();
renderJS.AcquisitionError.prototype.constructor =
renderJS.AcquisitionError;
/////////////////////////////////////////////////////////////////
// renderJS.getAbsoluteURL
/////////////////////////////////////////////////////////////////
renderJS.getAbsoluteURL = function (url, base_url) {
var doc, base, link,
html = "<!doctype><html><head></head></html>";
if (url && base_url && !isAbsoluteOrDataURL.test(url)) {
doc = (new DOMParser()).parseFromString(html, 'text/html');
base = doc.createElement('base');
link = doc.createElement('link');
doc.head.appendChild(base);
doc.head.appendChild(link);
base.href = base_url;
link.href = url;
return link.href;
}
return url;
};
/////////////////////////////////////////////////////////////////
// renderJS.declareJS
/////////////////////////////////////////////////////////////////
renderJS.declareJS = function (url) {
// Prevent infinite recursion if loading render.js
// more than once
var result;
if (javascript_registration_dict.hasOwnProperty(url)) {
result = RSVP.resolve();
} else {
result = new RSVP.Promise(function (resolve, reject) {
var newScript;
newScript = document.createElement('script');
newScript.type = 'text/javascript';
newScript.src = url;
newScript.onload = function () {
javascript_registration_dict[url] = null;
resolve();
};
newScript.onerror = function (e) {
reject(e);
};
document.head.appendChild(newScript);
});
}
return result;
};
/////////////////////////////////////////////////////////////////
// renderJS.declareCSS
/////////////////////////////////////////////////////////////////
renderJS.declareCSS = function (url) {
// https://github.com/furf/jquery-getCSS/blob/master/jquery.getCSS.js
// No way to cleanly check if a css has been loaded
// So, always resolve the promise...
// http://requirejs.org/docs/faq-advanced.html#css
var result;
if (stylesheet_registration_dict.hasOwnProperty(url)) {
result = RSVP.resolve();
} else {
result = new RSVP.Promise(function (resolve, reject) {
var link;
link = document.createElement('link');
link.rel = 'stylesheet';
link.type = 'text/css';
link.href = url;
link.onload = function () {
stylesheet_registration_dict[url] = null;
resolve();
};
link.onerror = function (e) {
reject(e);
};
document.head.appendChild(link);
});
}
return result;
};
/////////////////////////////////////////////////////////////////
// renderJS.declareGadgetKlass
/////////////////////////////////////////////////////////////////
renderJS.declareGadgetKlass = function (url) {
var result;
function parse(xhr) {
var tmp_constructor,
key,
parsed_html;
if (!gadget_model_dict.hasOwnProperty(url)) {
// Class inheritance
tmp_constructor = function () {
RenderJSGadget.call(this);
};
tmp_constructor.__ready_list = RenderJSGadget.__ready_list.slice();
tmp_constructor.__service_list = RenderJSGadget.__service_list.slice();
tmp_constructor.declareMethod =
RenderJSGadget.declareMethod;
tmp_constructor.declareAcquiredMethod =
RenderJSGadget.declareAcquiredMethod;
tmp_constructor.allowPublicAcquisition =
RenderJSGadget.allowPublicAcquisition;
tmp_constructor.ready =
RenderJSGadget.ready;
tmp_constructor.declareService =
RenderJSGadget.declareService;
tmp_constructor.prototype = new RenderJSGadget();
tmp_constructor.prototype.constructor = tmp_constructor;
tmp_constructor.prototype.__path = url;
tmp_constructor.prototype.__acquired_method_dict = {};
// https://developer.mozilla.org/en-US/docs/HTML_in_XMLHttpRequest
// https://developer.mozilla.org/en-US/docs/Web/API/DOMParser
// https://developer.mozilla.org/en-US/docs/Code_snippets/HTML_to_DOM
tmp_constructor.__template_element =
(new DOMParser()).parseFromString(xhr.responseText, "text/html");
parsed_html = renderJS.parseGadgetHTMLDocument(
tmp_constructor.__template_element,
url
);
for (key in parsed_html) {
if (parsed_html.hasOwnProperty(key)) {
tmp_constructor.prototype['__' + key] = parsed_html[key];
}
}
gadget_model_dict[url] = tmp_constructor;
}
return gadget_model_dict[url];
}
if (gadget_model_dict.hasOwnProperty(url)) {
// Return klass object if it already exists
result = RSVP.resolve(gadget_model_dict[url]);
} else {
// Fetch the HTML page and parse it
result = new RSVP.Queue()
.push(function () {
return ajax(url);
})
.push(function (xhr) {
return parse(xhr);
});
}
return result;
};
/////////////////////////////////////////////////////////////////
// renderJS.clearGadgetKlassList
/////////////////////////////////////////////////////////////////
// For test purpose only
renderJS.clearGadgetKlassList = function () {
gadget_model_dict = {};
javascript_registration_dict = {};
stylesheet_registration_dict = {};
};
/////////////////////////////////////////////////////////////////
// renderJS.parseGadgetHTMLDocument
/////////////////////////////////////////////////////////////////
renderJS.parseGadgetHTMLDocument = function (document_element, url) {
var settings = {
title: "",
interface_list: [],
required_css_list: [],
required_js_list: []
},
i,
element;
if (!url || !isAbsoluteOrDataURL.test(url)) {
throw new Error("The url should be absolute: " + url);
}
if (document_element.nodeType === 9) {
settings.title = document_element.title;
if (document_element.head !== null) {
for (i = 0; i < document_element.head.children.length; i += 1) {
element = document_element.head.children[i];
if (element.href !== null) {
// XXX Manage relative URL during extraction of URLs
// element.href returns absolute URL in firefox but "" in chrome;
if (element.rel === "stylesheet") {
settings.required_css_list.push(
renderJS.getAbsoluteURL(element.getAttribute("href"), url)
);
} else if (element.nodeName === "SCRIPT" &&
(element.type === "text/javascript" ||
!element.type)) {
settings.required_js_list.push(
renderJS.getAbsoluteURL(element.getAttribute("src"), url)
);
} else if (element.rel ===
"http://www.renderjs.org/rel/interface") {
settings.interface_list.push(
renderJS.getAbsoluteURL(element.getAttribute("href"), url)
);
}
}
}
}
} else {
throw new Error("The first parameter should be an HTMLDocument");
}
return settings;
};
/////////////////////////////////////////////////////////////////
// global
/////////////////////////////////////////////////////////////////
window.rJS = window.renderJS = renderJS;
window.__RenderJSGadget = RenderJSGadget;
window.__RenderJSEmbeddedGadget = RenderJSEmbeddedGadget;
window.__RenderJSIframeGadget = RenderJSIframeGadget;
///////////////////////////////////////////////////
// Bootstrap process. Register the self gadget.
///////////////////////////////////////////////////
// Manually initializes the self gadget if the DOMContentLoaded event
// is triggered before everything was ready.
// (For instance, the HTML-tag for the self gadget gets inserted after
// page load)
renderJS.manualBootstrap = function () {
bootstrap_deferred_object.resolve();
};
function bootstrap() {
var url = removeHash(window.location.href),
tmp_constructor,
root_gadget,
loading_gadget_promise = new RSVP.Queue(),
declare_method_count = 0,
embedded_channel,
notifyReady,
notifyDeclareMethod,
gadget_ready = false,
iframe_top_gadget,
last_acquisition_gadget,
declare_method_list_waiting = [],
gadget_failed = false,
gadget_error,
connection_ready = false;
// Create the gadget class for the current url
if (gadget_model_dict.hasOwnProperty(url)) {
throw new Error("bootstrap should not be called twice");
}
loading_klass_promise = new RSVP.Promise(function (resolve, reject) {
last_acquisition_gadget = new RenderJSGadget();
last_acquisition_gadget.__acquired_method_dict = {
reportServiceError: function (param_list) {
letsCrash(param_list[0]);
}
};
// Stop acquisition on the last acquisition gadget
// Do not put this on the klass, as their could be multiple instances
last_acquisition_gadget.__aq_parent = function (method_name) {
throw new renderJS.AcquisitionError(
"No gadget provides " + method_name
);
};
//we need to determine tmp_constructor's value before exit bootstrap
//because of function : renderJS
//but since the channel checking is async,
//we can't use code structure like:
// if channel communication is ok
// tmp_constructor = RenderJSGadget
// else
// tmp_constructor = RenderJSEmbeddedGadget
if (window.self === window.top) {
// XXX Copy/Paste from declareGadgetKlass
tmp_constructor = function () {
RenderJSGadget.call(this);
};
tmp_constructor.declareMethod = RenderJSGadget.declareMethod;
tmp_constructor.declareAcquiredMethod =
RenderJSGadget.declareAcquiredMethod;
tmp_constructor.allowPublicAcquisition =
RenderJSGadget.allowPublicAcquisition;
tmp_constructor.__ready_list = RenderJSGadget.__ready_list.slice();
tmp_constructor.ready = RenderJSGadget.ready;
tmp_constructor.__service_list = RenderJSGadget.__service_list.slice();
tmp_constructor.declareService =
RenderJSGadget.declareService;
tmp_constructor.prototype = new RenderJSGadget();
tmp_constructor.prototype.constructor = tmp_constructor;
tmp_constructor.prototype.__path = url;
gadget_model_dict[url] = tmp_constructor;
// Create the root gadget instance and put it in the loading stack
root_gadget = new gadget_model_dict[url]();
setAqParent(root_gadget, last_acquisition_gadget);
} else {
// Create the root gadget instance and put it in the loading stack
tmp_constructor = RenderJSEmbeddedGadget;
tmp_constructor.__ready_list = RenderJSGadget.__ready_list.slice();
tmp_constructor.__service_list = RenderJSGadget.__service_list.slice();
tmp_constructor.prototype.__path = url;
root_gadget = new RenderJSEmbeddedGadget();
setAqParent(root_gadget, last_acquisition_gadget);
// Create the communication channel
embedded_channel = Channel.build({
window: window.parent,
origin: "*",
scope: "renderJS",
onReady: function () {
var k;
iframe_top_gadget = false;
//Default: Define __aq_parent to inform parent window
root_gadget.__aq_parent =
tmp_constructor.prototype.__aq_parent = function (method_name,
argument_list, time_out) {
return new RSVP.Promise(function (resolve, reject) {
embedded_channel.call({
method: "acquire",
params: [
method_name,
argument_list
],
success: function (s) {
resolve(s);
},
error: function (e) {
reject(e);
},
timeout: time_out
});
});
};
// Channel is ready, so now declare Function
notifyDeclareMethod = function (name) {
declare_method_count += 1;
embedded_channel.call({
method: "declareMethod",
params: name,
success: function () {
declare_method_count -= 1;
notifyReady();
},
error: function () {
declare_method_count -= 1;
}
});
};
for (k = 0; k < declare_method_list_waiting.length; k += 1) {
notifyDeclareMethod(declare_method_list_waiting[k]);
}
declare_method_list_waiting = [];
// If Gadget Failed Notify Parent
if (gadget_failed) {
embedded_channel.notify({
method: "failed",
params: gadget_error
});
return;
}
connection_ready = true;
notifyReady();
//the channel is ok
//so bind calls to renderJS method on the instance
embedded_channel.bind("methodCall", function (trans, v) {
root_gadget[v[0]].apply(root_gadget, v[1])
.then(function (g) {
trans.complete(g);
}).fail(function (e) {
trans.error(e.toString());
});
trans.delayReturn(true);
});
}
});
// Notify parent about gadget instanciation
notifyReady = function () {
if ((declare_method_count === 0) && (gadget_ready === true)) {
embedded_channel.notify({method: "ready"});
}
};
// Inform parent gadget about declareMethod calls here.
notifyDeclareMethod = function (name) {
declare_method_list_waiting.push(name);
};
notifyDeclareMethod("getInterfaceList");
notifyDeclareMethod("getRequiredCSSList");
notifyDeclareMethod("getRequiredJSList");
notifyDeclareMethod("getPath");
notifyDeclareMethod("getTitle");
// Surcharge declareMethod to inform parent window
tmp_constructor.declareMethod = function (name, callback) {
var result = RenderJSGadget.declareMethod.apply(
this,
[name, callback]
);
notifyDeclareMethod(name);
return result;
};
tmp_constructor.declareService =
RenderJSGadget.declareService;
tmp_constructor.declareAcquiredMethod =
RenderJSGadget.declareAcquiredMethod;
tmp_constructor.allowPublicAcquisition =
RenderJSGadget.allowPublicAcquisition;
iframe_top_gadget = true;
}
tmp_constructor.prototype.__acquired_method_dict = {};
gadget_loading_klass = tmp_constructor;
function init() {
// XXX HTML properties can only be set when the DOM is fully loaded
var settings = renderJS.parseGadgetHTMLDocument(document, url),
j,
key;
for (key in settings) {
if (settings.hasOwnProperty(key)) {
tmp_constructor.prototype['__' + key] = settings[key];
}
}
tmp_constructor.__template_element = document.createElement("div");
root_gadget.__element = document.body;
for (j = 0; j < root_gadget.__element.childNodes.length; j += 1) {
tmp_constructor.__template_element.appendChild(
root_gadget.__element.childNodes[j].cloneNode(true)
);
}
RSVP.all([root_gadget.getRequiredJSList(),
root_gadget.getRequiredCSSList()])
.then(function (all_list) {
var i,
js_list = all_list[0],
css_list = all_list[1];
for (i = 0; i < js_list.length; i += 1) {
javascript_registration_dict[js_list[i]] = null;
}
for (i = 0; i < css_list.length; i += 1) {
stylesheet_registration_dict[css_list[i]] = null;
}
gadget_loading_klass = undefined;
}).then(function () {
// select the target node
var target = document.querySelector('body'),
// create an observer instance
observer = new MutationObserver(function (mutations) {
var i, k, len, len2, node, added_list;
mutations.forEach(function (mutation) {
if (mutation.type === 'childList') {
len = mutation.removedNodes.length;
for (i = 0; i < len; i += 1) {
node = mutation.removedNodes[i];
if (node.nodeType === Node.ELEMENT_NODE) {
if (node.hasAttribute("data-gadget-url") &&
(node._gadget !== undefined)) {
createMonitor(node._gadget);
}
added_list =
node.querySelectorAll("[data-gadget-url]");
len2 = added_list.length;
for (k = 0; k < len2; k += 1) {
node = added_list[k];
if (node._gadget !== undefined) {
createMonitor(node._gadget);
}
}
}
}
len = mutation.addedNodes.length;
for (i = 0; i < len; i += 1) {
node = mutation.addedNodes[i];
if (node.nodeType === Node.ELEMENT_NODE) {
if (node.hasAttribute("data-gadget-url") &&
(node._gadget !== undefined)) {
if (document.contains(node)) {
startService(node._gadget);
}
}
added_list =
node.querySelectorAll("[data-gadget-url]");
len2 = added_list.length;
for (k = 0; k < len2; k += 1) {
node = added_list[k];
if (document.contains(node)) {
if (node._gadget !== undefined) {
startService(node._gadget);
}
}
}
}
}
}
});
}),
// configuration of the observer:
config = {
childList: true,
subtree: true,
attributes: false,
characterData: false
};
// pass in the target node, as well as the observer options
observer.observe(target, config);
return root_gadget;
}).then(resolve, function (e) {
reject(e);
console.error(e);
throw e;
});
}
document.addEventListener('DOMContentLoaded',
bootstrap_deferred_object.resolve, false);
return new RSVP.Queue()
.push(function () {
return bootstrap_deferred_object.promise;
})
.push(function () {
return init();
});
});
loading_gadget_promise
.push(function () {
return loading_klass_promise;
})
.push(function (root_gadget) {
var i;
function ready_wrapper() {
return root_gadget;
}
tmp_constructor.ready(function (g) {
return startService(g);
});
loading_gadget_promise.push(ready_wrapper);
for (i = 0; i < tmp_constructor.__ready_list.length; i += 1) {
// Put a timeout?
loading_gadget_promise
.push(tmp_constructor.__ready_list[i])
// Always return the gadget instance after ready function
.push(ready_wrapper);
}
});
if (window.self === window.top) {
loading_gadget_promise
.fail(function (e) {
letsCrash(e);
throw e;
});
} else {
// Inform parent window that gadget is correctly loaded
loading_gadget_promise
.then(function () {
gadget_ready = true;
if (connection_ready) {
notifyReady();
}
})
.fail(function (e) {
//top gadget in iframe
if (iframe_top_gadget) {
gadget_failed = true;
gadget_error = e.toString();
letsCrash(e);
} else {
embedded_channel.notify({method: "failed", params: e.toString()});
}
throw e;
});
}
}
bootstrap();
}(document, window, RSVP, DOMParser, Channel, MutationObserver, Node,
FileReader, Blob, navigator, Event));
/*global window, RSVP, FileReader */
/*jslint indent: 2, maxerr: 3, unparam: true */
(function (window, RSVP, FileReader) {
"use strict";
window.loopEventListener = function (target, type, useCapture, callback,
prevent_default) {
//////////////////////////
// Infinite event listener (promise is never resolved)
// eventListener is removed when promise is cancelled/rejected
//////////////////////////
var handle_event_callback,
callback_promise;
if (prevent_default === undefined) {
prevent_default = true;
}
function cancelResolver() {
if ((callback_promise !== undefined) &&
(typeof callback_promise.cancel === "function")) {
callback_promise.cancel();
}
}
function canceller() {
if (handle_event_callback !== undefined) {
target.removeEventListener(type, handle_event_callback, useCapture);
}
cancelResolver();
}
function itsANonResolvableTrap(resolve, reject) {
var result;
handle_event_callback = function (evt) {
if (prevent_default) {
evt.stopPropagation();
evt.preventDefault();
}
cancelResolver();
try {
result = callback(evt);
} catch (e) {
result = RSVP.reject(e);
}
callback_promise = result;
new RSVP.Queue()
.push(function () {
return result;
})
.push(undefined, function (error) {
if (!(error instanceof RSVP.CancellationError)) {
canceller();
reject(error);
}
});
};
target.addEventListener(type, handle_event_callback, useCapture);
}
return new RSVP.Promise(itsANonResolvableTrap, canceller);
};
window.promiseEventListener = function (target, type, useCapture) {
//////////////////////////
// Resolve the promise as soon as the event is triggered
// eventListener is removed when promise is cancelled/resolved/rejected
//////////////////////////
var handle_event_callback;
function canceller() {
target.removeEventListener(type, handle_event_callback, useCapture);
}
function resolver(resolve) {
handle_event_callback = function (evt) {
canceller();
evt.stopPropagation();
evt.preventDefault();
resolve(evt);
return false;
};
target.addEventListener(type, handle_event_callback, useCapture);
}
return new RSVP.Promise(resolver, canceller);
};
window.promiseReadAsText = function (file) {
return new RSVP.Promise(function (resolve, reject) {
var reader = new FileReader();
reader.onload = function (evt) {
resolve(evt.target.result);
};
reader.onerror = function (evt) {
reject(evt);
};
reader.readAsText(file);
});
};
window.promiseDoWhile = function (loopFunction, input) {
// calls loopFunction(input) until it returns a non positive value
// this queue is to protect the inner loop queue from the
// `promiseDoWhile` caller, avoiding it to enqueue the inner
// loop queue.
return new RSVP.Queue()
.push(function () {
// here is the inner loop queue
var loop_queue = new RSVP.Queue();
function iterate(previous_iteration_result) {
if (!previous_iteration_result) {
return input;
}
loop_queue.push(iterate);
return loopFunction(input);
}
return loop_queue
.push(function () {
return loopFunction(input);
})
.push(iterate);
});
};
}(window, RSVP, FileReader));
\ No newline at end of file
(function(globals) {
var define, requireModule;
(function() {
var registry = {}, seen = {};
define = function(name, deps, callback) {
registry[name] = { deps: deps, callback: callback };
};
requireModule = function(name) {
if (seen[name]) { return seen[name]; }
seen[name] = {};
var mod = registry[name];
if (!mod) {
throw new Error("Module '" + name + "' not found.");
}
var deps = mod.deps,
callback = mod.callback,
reified = [],
exports;
for (var i=0, l=deps.length; i<l; i++) {
if (deps[i] === 'exports') {
reified.push(exports = {});
} else {
reified.push(requireModule(deps[i]));
}
}
var value = callback.apply(this, reified);
return seen[name] = exports || value;
};
})();
define("rsvp/all",
["rsvp/promise","exports"],
function(__dependency1__, __exports__) {
"use strict";
var Promise = __dependency1__.Promise;
/* global toString */
function promiseAtLeast(expected_count, promises) {
if (Object.prototype.toString.call(promises) !== "[object Array]") {
throw new TypeError('You must pass an array to all.');
}
function canceller() {
var promise;
for (var i = 0; i < promises.length; i++) {
promise = promises[i];
if (promise && typeof promise.then === 'function' &&
typeof promise.cancel === 'function') {
promise.cancel();
}
}
}
return new Promise(function(resolve, reject, notify) {
var results = [], remaining = promises.length,
promise, remaining_count = promises.length - expected_count;
if (remaining === 0) {
if (expected_count === 1) {
resolve();
} else {
resolve([]);
}
}
function resolver(index) {
return function(value) {
resolveAll(index, value);
};
}
function resolveAll(index, value) {
results[index] = value;
if (--remaining === remaining_count) {
if (remaining_count === 0) {
resolve(results);
} else {
resolve(value);
canceller();
}
}
}
function notifier(index) {
return function(value) {
notify({"index": index, "value": value});
};
}
function cancelAll(rejectionValue) {
reject(rejectionValue);
canceller();
}
for (var i = 0; i < promises.length; i++) {
promise = promises[i];
if (promise && typeof promise.then === 'function') {
promise.then(resolver(i), cancelAll, notifier(i));
} else {
resolveAll(i, promise);
}
}
}, canceller
);
}
function all(promises) {
return promiseAtLeast(promises.length, promises);
}
function any(promises) {
return promiseAtLeast(1, promises);
}
__exports__.all = all;
__exports__.any = any;
});
define("rsvp/async",
["exports"],
function(__exports__) {
"use strict";
var browserGlobal = (typeof window !== 'undefined') ? window : {};
var BrowserMutationObserver = browserGlobal.MutationObserver || browserGlobal.WebKitMutationObserver;
var async;
var local = (typeof global !== 'undefined') ? global : this;
// old node
function useNextTick() {
return function(callback, arg) {
process.nextTick(function() {
callback(arg);
});
};
}
// node >= 0.10.x
function useSetImmediate() {
return function(callback, arg) {
/* global setImmediate */
setImmediate(function(){
callback(arg);
});
};
}
function useMutationObserver() {
var queue = [];
var observer = new BrowserMutationObserver(function() {
var toProcess = queue.slice();
queue = [];
toProcess.forEach(function(tuple) {
var callback = tuple[0], arg= tuple[1];
callback(arg);
});
});
var element = document.createElement('div');
observer.observe(element, { attributes: true });
// Chrome Memory Leak: https://bugs.webkit.org/show_bug.cgi?id=93661
window.addEventListener('unload', function(){
observer.disconnect();
observer = null;
}, false);
return function(callback, arg) {
queue.push([callback, arg]);
element.setAttribute('drainQueue', 'drainQueue');
};
}
function useSetTimeout() {
return function(callback, arg) {
local.setTimeout(function() {
callback(arg);
}, 1);
};
}
if (typeof setImmediate === 'function') {
async = useSetImmediate();
} else if (typeof process !== 'undefined' && {}.toString.call(process) === '[object process]') {
async = useNextTick();
} else if (BrowserMutationObserver) {
async = useMutationObserver();
} else {
async = useSetTimeout();
}
__exports__.async = async;
});
define("rsvp/cancellation_error",
["exports"],
function(__exports__) {
"use strict";
// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Error
function CancellationError(message) {
this.name = "cancel";
if ((message !== undefined) && (typeof message !== "string")) {
throw new TypeError('You must pass a string.');
}
this.message = message || "Default Message";
}
CancellationError.prototype = new Error();
CancellationError.prototype.constructor = CancellationError;
__exports__.CancellationError = CancellationError;
});
define("rsvp/config",
["rsvp/async","exports"],
function(__dependency1__, __exports__) {
"use strict";
var async = __dependency1__.async;
var config = {};
config.async = async;
__exports__.config = config;
});
define("rsvp/defer",
["rsvp/promise","exports"],
function(__dependency1__, __exports__) {
"use strict";
var Promise = __dependency1__.Promise;
function defer() {
var deferred = {
// pre-allocate shape
resolve: undefined,
reject: undefined,
promise: undefined
};
deferred.promise = new Promise(function(resolve, reject) {
deferred.resolve = resolve;
deferred.reject = reject;
});
return deferred;
}
__exports__.defer = defer;
});
define("rsvp/events",
["exports"],
function(__exports__) {
"use strict";
var Event = function(type, options) {
this.type = type;
for (var option in options) {
if (!options.hasOwnProperty(option)) { continue; }
this[option] = options[option];
}
};
var indexOf = function(callbacks, callback) {
for (var i=0, l=callbacks.length; i<l; i++) {
if (callbacks[i][0] === callback) { return i; }
}
return -1;
};
var callbacksFor = function(object) {
var callbacks = object._promiseCallbacks;
if (!callbacks) {
callbacks = object._promiseCallbacks = {};
}
return callbacks;
};
var EventTarget = {
mixin: function(object) {
object.on = this.on;
object.off = this.off;
object.trigger = this.trigger;
return object;
},
on: function(eventNames, callback, binding) {
var allCallbacks = callbacksFor(this), callbacks, eventName;
eventNames = eventNames.split(/\s+/);
binding = binding || this;
while (eventName = eventNames.shift()) {
callbacks = allCallbacks[eventName];
if (!callbacks) {
callbacks = allCallbacks[eventName] = [];
}
if (indexOf(callbacks, callback) === -1) {
callbacks.push([callback, binding]);
}
}
},
off: function(eventNames, callback) {
var allCallbacks = callbacksFor(this), callbacks, eventName, index;
eventNames = eventNames.split(/\s+/);
while (eventName = eventNames.shift()) {
if (!callback) {
allCallbacks[eventName] = [];
continue;
}
callbacks = allCallbacks[eventName];
index = indexOf(callbacks, callback);
if (index !== -1) { callbacks.splice(index, 1); }
}
},
trigger: function(eventName, options) {
var allCallbacks = callbacksFor(this),
callbacks, callbackTuple, callback, binding, event;
if (callbacks = allCallbacks[eventName]) {
// Don't cache the callbacks.length since it may grow
for (var i=0; i<callbacks.length; i++) {
callbackTuple = callbacks[i];
callback = callbackTuple[0];
binding = callbackTuple[1];
if (typeof options !== 'object') {
options = { detail: options };
}
event = new Event(eventName, options);
callback.call(binding, event);
}
}
}
};
__exports__.EventTarget = EventTarget;
});
define("rsvp/hash",
["rsvp/defer","exports"],
function(__dependency1__, __exports__) {
"use strict";
var defer = __dependency1__.defer;
function size(object) {
var s = 0;
for (var prop in object) {
s++;
}
return s;
}
function hash(promises) {
var results = {}, deferred = defer(), remaining = size(promises);
if (remaining === 0) {
deferred.resolve({});
}
var resolver = function(prop) {
return function(value) {
resolveAll(prop, value);
};
};
var resolveAll = function(prop, value) {
results[prop] = value;
if (--remaining === 0) {
deferred.resolve(results);
}
};
var rejectAll = function(error) {
deferred.reject(error);
};
for (var prop in promises) {
if (promises[prop] && typeof promises[prop].then === 'function') {
promises[prop].then(resolver(prop), rejectAll);
} else {
resolveAll(prop, promises[prop]);
}
}
return deferred.promise;
}
__exports__.hash = hash;
});
define("rsvp/node",
["rsvp/promise","rsvp/all","exports"],
function(__dependency1__, __dependency2__, __exports__) {
"use strict";
var Promise = __dependency1__.Promise;
var all = __dependency2__.all;
function makeNodeCallbackFor(resolve, reject) {
return function (error, value) {
if (error) {
reject(error);
} else if (arguments.length > 2) {
resolve(Array.prototype.slice.call(arguments, 1));
} else {
resolve(value);
}
};
}
function denodeify(nodeFunc) {
return function() {
var nodeArgs = Array.prototype.slice.call(arguments), resolve, reject;
var thisArg = this;
var promise = new Promise(function(nodeResolve, nodeReject) {
resolve = nodeResolve;
reject = nodeReject;
});
all(nodeArgs).then(function(nodeArgs) {
nodeArgs.push(makeNodeCallbackFor(resolve, reject));
try {
nodeFunc.apply(thisArg, nodeArgs);
} catch(e) {
reject(e);
}
});
return promise;
};
}
__exports__.denodeify = denodeify;
});
define("rsvp/promise",
["rsvp/config","rsvp/events","rsvp/cancellation_error","exports"],
function(__dependency1__, __dependency2__, __dependency3__, __exports__) {
"use strict";
var config = __dependency1__.config;
var EventTarget = __dependency2__.EventTarget;
var CancellationError = __dependency3__.CancellationError;
function objectOrFunction(x) {
return isFunction(x) || (typeof x === "object" && x !== null);
}
function isFunction(x){
return typeof x === "function";
}
var Promise = function(resolver, canceller) {
var promise = this,
resolved = false;
if (typeof resolver !== 'function') {
throw new TypeError('You must pass a resolver function as the sole argument to the promise constructor');
}
if ((canceller !== undefined) && (typeof canceller !== 'function')) {
throw new TypeError('You can only pass a canceller function' +
' as the second argument to the promise constructor');
}
if (!(promise instanceof Promise)) {
return new Promise(resolver, canceller);
}
var resolvePromise = function(value) {
if (resolved) { return; }
resolved = true;
resolve(promise, value);
};
var rejectPromise = function(value) {
if (resolved) { return; }
resolved = true;
reject(promise, value);
};
var notifyPromise = function(value) {
if (resolved) { return; }
notify(promise, value);
};
this.on('promise:failed', function(event) {
this.trigger('error', { detail: event.detail });
}, this);
this.on('error', onerror);
this.cancel = function () {
// For now, simply reject the promise and does not propagate the cancel
// to parent or children
if (resolved) { return; }
if (canceller !== undefined) {
try {
canceller();
} catch (e) {
rejectPromise(e);
return;
}
}
// Trigger cancel?
rejectPromise(new CancellationError());
};
try {
resolver(resolvePromise, rejectPromise, notifyPromise);
} catch(e) {
rejectPromise(e);
}
};
function onerror(event) {
if (config.onerror) {
config.onerror(event.detail);
}
}
var invokeCallback = function(type, promise, callback, event) {
var hasCallback = isFunction(callback),
value, error, succeeded, failed;
if (promise.isFulfilled) { return; }
if (promise.isRejected) { return; }
if (hasCallback) {
try {
value = callback(event.detail);
succeeded = true;
} catch(e) {
failed = true;
error = e;
}
} else {
value = event.detail;
succeeded = true;
}
if (handleThenable(promise, value)) {
return;
} else if (hasCallback && succeeded) {
resolve(promise, value);
} else if (failed) {
reject(promise, error);
} else if (type === 'resolve') {
resolve(promise, value);
} else if (type === 'reject') {
reject(promise, value);
}
};
var invokeNotifyCallback = function(promise, callback, event) {
var value;
if (typeof callback === 'function') {
try {
value = callback(event.detail);
} catch (e) {
// stop propagating
return;
}
notify(promise, value);
} else {
notify(promise, event.detail);
}
};
Promise.prototype = {
constructor: Promise,
isRejected: undefined,
isFulfilled: undefined,
rejectedReason: undefined,
fulfillmentValue: undefined,
then: function(done, fail, progress) {
this.off('error', onerror);
var thenPromise = new this.constructor(function() {},
function () {
thenPromise.trigger('promise:cancelled', {});
});
if (this.isFulfilled) {
config.async(function(promise) {
invokeCallback('resolve', thenPromise, done, { detail: promise.fulfillmentValue });
}, this);
}
if (this.isRejected) {
config.async(function(promise) {
invokeCallback('reject', thenPromise, fail, { detail: promise.rejectedReason });
}, this);
}
this.on('promise:resolved', function(event) {
invokeCallback('resolve', thenPromise, done, event);
});
this.on('promise:failed', function(event) {
invokeCallback('reject', thenPromise, fail, event);
});
this.on('promise:notified', function (event) {
invokeNotifyCallback(thenPromise, progress, event);
});
return thenPromise;
},
fail: function(fail) {
return this.then(null, fail);
},
always: function(fail) {
return this.then(fail, fail);
}
};
EventTarget.mixin(Promise.prototype);
function resolve(promise, value) {
if (promise === value) {
fulfill(promise, value);
} else if (!handleThenable(promise, value)) {
fulfill(promise, value);
}
}
function handleThenable(promise, value) {
var then = null,
resolved;
try {
if (promise === value) {
throw new TypeError("A promises callback cannot return that same promise.");
}
if (objectOrFunction(value)) {
then = value.then;
if (isFunction(then)) {
if (isFunction(value.on)) {
value.on('promise:notified', function (event) {
notify(promise, event.detail);
});
}
promise.on('promise:cancelled', function(event) {
if (isFunction(value.cancel)) {
value.cancel();
}
});
then.call(value, function(val) {
if (resolved) { return true; }
resolved = true;
if (value !== val) {
resolve(promise, val);
} else {
fulfill(promise, val);
}
}, function(val) {
if (resolved) { return true; }
resolved = true;
reject(promise, val);
});
return true;
}
}
} catch (error) {
reject(promise, error);
return true;
}
return false;
}
function fulfill(promise, value) {
config.async(function() {
if (promise.isFulfilled) { return; }
if (promise.isRejected) { return; }
promise.trigger('promise:resolved', { detail: value });
promise.isFulfilled = true;
promise.fulfillmentValue = value;
});
}
function reject(promise, value) {
config.async(function() {
if (promise.isFulfilled) { return; }
if (promise.isRejected) { return; }
promise.trigger('promise:failed', { detail: value });
promise.isRejected = true;
promise.rejectedReason = value;
});
}
function notify(promise, value) {
config.async(function() {
promise.trigger('promise:notified', { detail: value });
});
}
__exports__.Promise = Promise;
});
define("rsvp/queue",
["rsvp/promise","rsvp/resolve","exports"],
function(__dependency1__, __dependency2__, __exports__) {
"use strict";
var Promise = __dependency1__.Promise;
var resolve = __dependency2__.resolve;
// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Error
function ResolvedQueueError(message) {
this.name = "resolved";
if ((message !== undefined) && (typeof message !== "string")) {
throw new TypeError('You must pass a string.');
}
this.message = message || "Default Message";
}
ResolvedQueueError.prototype = new Error();
ResolvedQueueError.prototype.constructor = ResolvedQueueError;
var Queue = function() {
var queue = this,
promise_list = [],
promise,
fulfill,
reject,
notify,
resolved;
if (!(this instanceof Queue)) {
return new Queue();
}
function canceller() {
for (var i = 0; i < 2; i++) {
promise_list[i].cancel();
}
}
promise = new Promise(function(done, fail, progress) {
fulfill = function (fulfillmentValue) {
if (resolved) {return;}
queue.isFulfilled = true;
queue.fulfillmentValue = fulfillmentValue;
resolved = true;
return done(fulfillmentValue);
};
reject = function (rejectedReason) {
if (resolved) {return;}
queue.isRejected = true;
queue.rejectedReason = rejectedReason ;
resolved = true;
return fail(rejectedReason);
};
notify = progress;
}, canceller);
promise_list.push(resolve());
promise_list.push(promise_list[0].then(function () {
promise_list.splice(0, 2);
if (promise_list.length === 0) {
fulfill();
}
}));
queue.cancel = function () {
if (resolved) {return;}
resolved = true;
promise.cancel();
promise.fail(function (rejectedReason) {
queue.isRejected = true;
queue.rejectedReason = rejectedReason;
});
};
queue.then = function () {
return promise.then.apply(promise, arguments);
};
queue.push = function(done, fail, progress) {
var last_promise = promise_list[promise_list.length - 1],
next_promise;
if (resolved) {
throw new ResolvedQueueError();
}
next_promise = last_promise.then(done, fail, progress);
promise_list.push(next_promise);
// Handle pop
last_promise = next_promise.then(function (fulfillmentValue) {
promise_list.splice(0, 2);
if (promise_list.length === 0) {
fulfill(fulfillmentValue);
} else {
return fulfillmentValue;
}
}, function (rejectedReason) {
promise_list.splice(0, 2);
if (promise_list.length === 0) {
reject(rejectedReason);
} else {
throw rejectedReason;
}
}, function (notificationValue) {
if (promise_list[promise_list.length - 1] === last_promise) {
notify(notificationValue);
}
return notificationValue;
});
promise_list.push(last_promise);
return this;
};
};
Queue.prototype = Object.create(Promise.prototype);
Queue.prototype.constructor = Queue;
__exports__.Queue = Queue;
__exports__.ResolvedQueueError = ResolvedQueueError;
});
define("rsvp/reject",
["rsvp/promise","exports"],
function(__dependency1__, __exports__) {
"use strict";
var Promise = __dependency1__.Promise;
function reject(reason) {
return new Promise(function (resolve, reject) {
reject(reason);
});
}
__exports__.reject = reject;
});
define("rsvp/resolve",
["rsvp/promise","exports"],
function(__dependency1__, __exports__) {
"use strict";
var Promise = __dependency1__.Promise;
function resolve(thenable) {
return new Promise(function(resolve, reject) {
if (typeof thenable === "object" && thenable !== null) {
var then = thenable.then;
if ((then !== undefined) && (typeof then === "function")) {
return then.apply(thenable, [resolve, reject]);
}
}
return resolve(thenable);
}, function () {
if ((thenable !== undefined) && (thenable.cancel !== undefined)) {
thenable.cancel();
}
});
}
__exports__.resolve = resolve;
});
define("rsvp/rethrow",
["exports"],
function(__exports__) {
"use strict";
var local = (typeof global === "undefined") ? this : global;
function rethrow(reason) {
local.setTimeout(function() {
throw reason;
});
throw reason;
}
__exports__.rethrow = rethrow;
});
define("rsvp/timeout",
["rsvp/promise","exports"],
function(__dependency1__, __exports__) {
"use strict";
var Promise = __dependency1__.Promise;
function promiseSetTimeout(millisecond, should_reject, message) {
var timeout_id;
function resolver(resolve, reject) {
timeout_id = setTimeout(function () {
if (should_reject) {
reject(message);
} else {
resolve(message);
}
}, millisecond);
}
function canceller() {
clearTimeout(timeout_id);
}
return new Promise(resolver, canceller);
}
function delay(millisecond, message) {
return promiseSetTimeout(millisecond, false, message);
}
function timeout(millisecond) {
return promiseSetTimeout(millisecond, true,
"Timed out after " + millisecond + " ms");
}
Promise.prototype.delay = function(millisecond) {
return this.then(function (fulfillmentValue) {
return delay(millisecond, fulfillmentValue);
});
};
__exports__.delay = delay;
__exports__.timeout = timeout;
});
define("rsvp",
["rsvp/events","rsvp/cancellation_error","rsvp/promise","rsvp/node","rsvp/all","rsvp/queue","rsvp/timeout","rsvp/hash","rsvp/rethrow","rsvp/defer","rsvp/config","rsvp/resolve","rsvp/reject","exports"],
function(__dependency1__, __dependency2__, __dependency3__, __dependency4__, __dependency5__, __dependency6__, __dependency7__, __dependency8__, __dependency9__, __dependency10__, __dependency11__, __dependency12__, __dependency13__, __exports__) {
"use strict";
var EventTarget = __dependency1__.EventTarget;
var CancellationError = __dependency2__.CancellationError;
var Promise = __dependency3__.Promise;
var denodeify = __dependency4__.denodeify;
var all = __dependency5__.all;
var any = __dependency5__.any;
var Queue = __dependency6__.Queue;
var ResolvedQueueError = __dependency6__.ResolvedQueueError;
var delay = __dependency7__.delay;
var timeout = __dependency7__.timeout;
var hash = __dependency8__.hash;
var rethrow = __dependency9__.rethrow;
var defer = __dependency10__.defer;
var config = __dependency11__.config;
var resolve = __dependency12__.resolve;
var reject = __dependency13__.reject;
function configure(name, value) {
config[name] = value;
}
__exports__.CancellationError = CancellationError;
__exports__.Promise = Promise;
__exports__.EventTarget = EventTarget;
__exports__.all = all;
__exports__.any = any;
__exports__.Queue = Queue;
__exports__.ResolvedQueueError = ResolvedQueueError;
__exports__.delay = delay;
__exports__.timeout = timeout;
__exports__.hash = hash;
__exports__.rethrow = rethrow;
__exports__.defer = defer;
__exports__.denodeify = denodeify;
__exports__.configure = configure;
__exports__.resolve = resolve;
__exports__.reject = reject;
});
window.RSVP = requireModule("rsvp");
})(window);
\ No newline at end of file
# -*- coding: utf-8 -*-
from setuptools import setup
setup(
name='renderjs_nbextension',
version='0.0.4',
packages=['renderjs_nbextension'],
package_data = {
'': ['*.js', '*.html', '*.json']
},
# PyPI Data
author='Sebastian Kreisel',
author_email='sebastian.kreisel@nexedi.com',
description='RenderJS gadgets for jupyter (frontend-part)',
keywords='renderjs jupyter nbextension',
license='GPL 2',
url='https://lab.nexedi.com/Kreisel/renderjs_extension'
)
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