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Merge pull request #34 from jdfreder/smallsplit
Segregating the widgets (the Small Split)
2 parents 40dfdd8 + 464169f commit 1980ada

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‎ipython_widgets/__init__.py‎

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from .widgets import *

‎ipython_widgets/install.py‎

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#!/usr/bin/env python
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# Thanks @takluyver for your cite2c install.py.
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from os.path import dirname, abspath, join as pjoin
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from jupyter_notebook.nbextensions import install_nbextension
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from jupyter_notebook.services.config import ConfigManager
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import argparse
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parser = argparse.ArgumentParser(description="Installs the IPython widgets")
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parser.add_argument("-u", "--user", help="Install as current user", action="store_true")
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parser.add_argument("-s", "--symlink", help="Symlink instead of copying files", action="store_true")
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args = parser.parse_args()
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print("Installing nbextension ...")
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staticdir = pjoin(dirname(abspath(__file__)), 'static')
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install_nbextension(staticdir, destination='widgets', user=args.user, symlink=args.symlink)
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print("Enabling the extension ...")
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cm = ConfigManager()
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cm.update('notebook', {"load_extensions": {"widgets/notebook/js/extension": True}})
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print("Done.")

‎ipython_widgets/static/notebook/js/extension.js‎

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// Copyright (c) Jupyter Development Team.
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// Distributed under the terms of the Modified BSD License.
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define([
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'nbextensions/widgets/widgets/js/init',
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'nbextensions/widgets/notebook/js/widgetarea',
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'base/js/events'
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], function(widgetmanager, widgetarea, events) {
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"use strict";
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/**
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* Create a widget manager for a kernel instance.
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*/
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var handle_kernel = function(kernel) {
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if (kernel.comm_manager && kernel.widget_manager === undefined) {
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// Create a widget manager instance. Use the global
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// IPython.notebook handle.
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var manager = new widgetmanager.WidgetManager(kernel.comm_manager, IPython.notebook);
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// Store a handle to the manager so we know not to
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// another for this kernel. This also is a convinience
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// for the user.
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kernel.widget_manager = manager;
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}
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};
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// If a kernel already exists, create a widget manager.
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if (IPython.notebook && IPython.notebook.kernel) {
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handle_kernel(IPython.notebook.kernel);
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}
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// When the kernel is created, create a widget manager.
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events.on('kernel_created.Kernel kernel_created.Session', function(event, data) {
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handle_kernel(data.kernel);
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});
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/**
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* Creates a widgetarea for the cell if it is a CodeCell.
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* If the cell isn't a CodeCell, no action is taken.
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*/
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var handle_cell = function(cell) {
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if (cell.cell_type==='code') {
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var area = new widgetarea.WidgetArea(cell);
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cell.widgetarea = area;
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}
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};
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// Create widget areas for cells that already exist.
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var cells = IPython.notebook.get_cells();
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for (var i = 0; i < cells.length; i++) {
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handle_cell(cells[i]);
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}
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// Listen to cell creation and deletion events. When a
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// cell is created, create a widget area for that cell.
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events.on('create.Cell', function(event, data) {
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handle_cell(data.cell);
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});
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// When a cell is deleted, delete the widget area if it
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// exists.
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events.on('delete.Cell', function(event, data) {
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if (data.cell && data.cell.widgetarea) {
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data.cell.widgetarea.dispose();
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}
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});
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});

‎ipython_widgets/static/notebook/js/widgetarea.js‎

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// Copyright (c) Jupyter Development Team.
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// Distributed under the terms of the Modified BSD License.
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define(['jquery', 'base/js/events'], function($, events) {
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/**
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* WidgetArea
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*/
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var WidgetArea = function(cell) {
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this.widget_views = [];
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this._cell = cell;
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this._widgets_live = true;
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this.disposed = false;
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this._create_elements();
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this._bind_events();
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}
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/**
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* Display a widget view in the cell.
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*/
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WidgetArea.prototype.display_widget_view = function(view_promise) {
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// Display a dummy element
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var dummy = $('<div/>');
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this.widget_subarea.append(dummy);
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// Display the view.
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var that = this;
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return view_promise.then(function(view) {
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that.widget_area.show();
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dummy.replaceWith(view.$el);
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that.widget_views.push(view);
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// Check the live state of the view's model.
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if (view.model.comm_live) {
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that._widget_live(view);
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} else {
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that._widget_dead(view);
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}
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// Listen to comm live events for the view.
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view.on('comm:live', that._widget_live, that);
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view.on('comm:dead', that._widget_dead, that);
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return view;
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});
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};
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/**
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* Disposes of the widget area and its widgets.
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*/
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WidgetArea.prototype.dispose = function() {
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this._clear();
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this.disposed = true;
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};
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/**
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* Creates the elements of the widget area and appends them
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* to the associated cell.
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*/
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WidgetArea.prototype._create_elements = function() {
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var widget_area = $('<div/>')
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.addClass('widget-area')
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.hide();
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this.widget_area = widget_area;
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var widget_prompt = $('<div/>')
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.addClass('prompt')
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.appendTo(widget_area);
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var widget_subarea = $('<div/>')
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.addClass('widget-subarea')
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.appendTo(widget_area);
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this.widget_subarea = widget_subarea;
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var that = this;
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var widget_clear_buton = $('<button />')
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.addClass('close')
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.html('&times;')
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.click(function() {
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widget_area.slideUp('', function(){
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for (var i = 0; i < that.widget_views.length; i++) {
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var view = that.widget_views[i];
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view.remove();
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// Remove widget live events.
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view.off('comm:live', that._widget_live);
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view.off('comm:dead', that._widget_dead);
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}
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that.widget_views = [];
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widget_subarea.html('');
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});
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})
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.appendTo(widget_prompt);
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if (this._cell.input) {
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this._cell.input.after(widget_area);
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} else {
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throw new Error('Cell does not have an `input` element. Is it not a CodeCell?');
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}
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}
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/**
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* Listens to events of the cell.
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*/
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WidgetArea.prototype._bind_events = function() {
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var that = this;
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events.on('execute.CodeCell', function(event, data) {
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if (data.cell===that._cell) {
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that._clear();
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}
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});
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};
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/**
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* Handles when a widget loses it's comm connection.
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* @param {WidgetView} view
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*/
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WidgetArea.prototype._widget_dead = function(view) {
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if (this._widgets_live) {
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this._widgets_live = false;
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this.widget_area.addClass('connection-problems');
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}
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};
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/**
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* Handles when a widget is connected to a live comm.
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* @param {WidgetView} view
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*/
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WidgetArea.prototype._widget_live = function(view) {
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if (!this._widgets_live) {
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// Check that the other widgets are live too. O(N) operation.
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// Abort the function at the first dead widget found.
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for (var i = 0; i < this.widget_views.length; i++) {
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if (!this.widget_views[i].model.comm_live) return;
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}
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this._widgets_live = true;
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this.widget_area.removeClass('connection-problems');
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}
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};
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/**
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* Clears the widgets in the widget area.
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*/
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WidgetArea.prototype._clear = function() {
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// Clear widget area
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for (var i = 0; i < this.widget_views.length; i++) {
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var view = this.widget_views[i];
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view.remove();
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// Remove widget live events.
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view.off('comm:live', this._widget_live);
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view.off('comm:dead', this._widget_dead);
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}
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this.widget_views = [];
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this.widget_subarea.html('');
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this.widget_subarea.height('');
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this.widget_area.height('');
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this.widget_area.hide();
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};
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return {WidgetArea: WidgetArea};
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});
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‎jupyter_notebook/static/widgets/js/init.js‎ renamed to ‎ipython_widgets/static/widgets/js/init.js‎

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// Distributed under the terms of the Modified BSD License.
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define([
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"widgets/js/manager",
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"widgets/js/widget",
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"widgets/js/widget_link",
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"widgets/js/widget_bool",
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"widgets/js/widget_button",
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"widgets/js/widget_box",
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"widgets/js/widget_float",
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"widgets/js/widget_image",
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"widgets/js/widget_int",
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"widgets/js/widget_output",
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"widgets/js/widget_selection",
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"widgets/js/widget_selectioncontainer",
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"widgets/js/widget_string",
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"nbextensions/widgets/widgets/js/manager",
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"nbextensions/widgets/widgets/js/widget",
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"nbextensions/widgets/widgets/js/widget_link",
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"nbextensions/widgets/widgets/js/widget_bool",
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"nbextensions/widgets/widgets/js/widget_button",
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"nbextensions/widgets/widgets/js/widget_box",
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"nbextensions/widgets/widgets/js/widget_float",
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"nbextensions/widgets/widgets/js/widget_image",
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"nbextensions/widgets/widgets/js/widget_int",
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"nbextensions/widgets/widgets/js/widget_output",
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"nbextensions/widgets/widgets/js/widget_selection",
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"nbextensions/widgets/widgets/js/widget_selectioncontainer",
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"nbextensions/widgets/widgets/js/widget_string",
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], function(widgetmanager, widget) {
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// Register all of the loaded models and views with the widget manager.
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for (var i = 2; i < arguments.length; i++) {

‎jupyter_notebook/static/widgets/js/manager.js‎ renamed to ‎ipython_widgets/static/widgets/js/manager.js‎

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WidgetManager.prototype.display_view_in_cell = function(cell, model) {
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// Displays a view in a cell.
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if (cell.display_widget_view) {
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if (cell.widgetarea) {
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var that = this;
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return cell.display_widget_view(this.create_view(model, {
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return cell.widgetarea.display_widget_view(this.create_view(model, {
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cell: cell,
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// Only set cell_index when view is displayed as directly.
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cell_index: that.notebook.find_cell_index(cell),
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return view;
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}).catch(utils.reject('Could not create or display view', true));
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} else {
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return Promise.reject(new Error('Cell does not have a `display_widget_view` method'));
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return Promise.reject(new Error('Cell does not have a `widgetarea` defined'));
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}
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};
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‎jupyter_notebook/static/widgets/js/widget.js‎ renamed to ‎ipython_widgets/static/widgets/js/widget.js‎

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// Copyright (c) Jupyter Development Team.
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// Distributed under the terms of the Modified BSD License.
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define(["widgets/js/manager",
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define(["nbextensions/widgets/widgets/js/manager",
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"underscore",
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"backbone",
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"jquery",

‎jupyter_notebook/static/widgets/js/widget_bool.js‎ renamed to ‎ipython_widgets/static/widgets/js/widget_bool.js‎

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// Distributed under the terms of the Modified BSD License.
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define([
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"widgets/js/widget",
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"nbextensions/widgets/widgets/js/widget",
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"jquery",
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"bootstrap",
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], function(widget, $){

‎jupyter_notebook/static/widgets/js/widget_box.js‎ renamed to ‎ipython_widgets/static/widgets/js/widget_box.js‎

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// Distributed under the terms of the Modified BSD License.
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define([
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"widgets/js/widget",
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"nbextensions/widgets/widgets/js/widget",
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"jqueryui",
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"underscore",
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"base/js/utils",

‎jupyter_notebook/static/widgets/js/widget_button.js‎ renamed to ‎ipython_widgets/static/widgets/js/widget_button.js‎

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// Distributed under the terms of the Modified BSD License.
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define([
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"widgets/js/widget",
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"nbextensions/widgets/widgets/js/widget",
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"jquery",
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"bootstrap",
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], function(widget, $){

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