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// Copyright (c) IPython Development Team.
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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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"jqueryui",
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"base/js/utils",
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"bootstrap",
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], function(widget, $, utils){
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"use strict";
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var BoxView = widget.DOMWidgetView.extend({
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initialize: function(){
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/**
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* Public constructor
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*/
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BoxView.__super__.initialize.apply(this, arguments);
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this.children_views = new widget.ViewList(this.add_child_model, null, this);
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this.listenTo(this.model, 'change:children', function(model, value) {
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this.children_views.update(value);
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}, this);
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this.listenTo(this.model, 'change:overflow_x', function(model, value) {
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this.update_overflow_x();
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}, this);
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this.listenTo(this.model, 'change:overflow_y', function(model, value) {
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this.update_overflow_y();
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}, this);
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this.listenTo(this.model, 'change:box_style', function(model, value) {
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this.update_box_style();
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}, this);
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},
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update_attr: function(name, value) {
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/**
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* Set a css attr of the widget view.
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*/
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this.$box.css(name, value);
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},
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render: function(){
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/**
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* Called when view is rendered.
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*/
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this.$box = this.$el;
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this.$box.addClass('widget-box');
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this.children_views.update(this.model.get('children'));
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this.update_overflow_x();
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this.update_overflow_y();
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this.update_box_style('');
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},
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update_overflow_x: function() {
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/**
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* Called when the x-axis overflow setting is changed.
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*/
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this.$box.css('overflow-x', this.model.get('overflow_x'));
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},
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update_overflow_y: function() {
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/**
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* Called when the y-axis overflow setting is changed.
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*/
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this.$box.css('overflow-y', this.model.get('overflow_y'));
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},
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update_box_style: function(previous_trait_value) {
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var class_map = {
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success: ['alert', 'alert-success'],
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info: ['alert', 'alert-info'],
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warning: ['alert', 'alert-warning'],
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danger: ['alert', 'alert-danger']
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};
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this.update_mapped_classes(class_map, 'box_style', previous_trait_value, this.$box);
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},
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add_child_model: function(model) {
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/**
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* Called when a model is added to the children list.
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*/
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var that = this;
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var dummy = $('<div/>');
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that.$box.append(dummy);
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return this.create_child_view(model).then(function(view) {
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dummy.replaceWith(view.el);
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// Trigger the displayed event of the child view.
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that.after_displayed(function() {
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view.trigger('displayed');
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});
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return view;
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}).catch(utils.reject("Couldn't add child view to box", true));
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},
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remove: function() {
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/**
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* We remove this widget before removing the children as an optimization
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* we want to remove the entire container from the DOM first before
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* removing each individual child separately.
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*/
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BoxView.__super__.remove.apply(this, arguments);
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this.children_views.remove();
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},
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});
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var FlexBoxView = BoxView.extend({
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render: function(){
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FlexBoxView.__super__.render.apply(this);
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this.listenTo(this.model, 'change:orientation', this.update_orientation, this);
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this.listenTo(this.model, 'change:flex', this._flex_changed, this);
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this.listenTo(this.model, 'change:pack', this._pack_changed, this);
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this.listenTo(this.model, 'change:align', this._align_changed, this);
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this._flex_changed();
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this._pack_changed();
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this._align_changed();
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this.update_orientation();
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},
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update_orientation: function(){
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var orientation = this.model.get("orientation");
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if (orientation == "vertical") {
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this.$box.removeClass("hbox").addClass("vbox");
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} else {
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this.$box.removeClass("vbox").addClass("hbox");
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}
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},
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_flex_changed: function(){
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if (this.model.previous('flex')) {
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this.$box.removeClass('box-flex' + this.model.previous('flex'));
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}
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this.$box.addClass('box-flex' + this.model.get('flex'));
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},
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_pack_changed: function(){
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if (this.model.previous('pack')) {
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this.$box.removeClass(this.model.previous('pack'));
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}
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this.$box.addClass(this.model.get('pack'));
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},
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_align_changed: function(){
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if (this.model.previous('align')) {
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this.$box.removeClass('align-' + this.model.previous('align'));
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}
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this.$box.addClass('align-' + this.model.get('align'));
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},
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});
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var PopupView = BoxView.extend({
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render: function(){
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/**
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* Called when view is rendered.
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*/
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var that = this;
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this.$el.on("remove", function(){
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that.$backdrop.remove();
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});
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this.$backdrop = $('<div />')
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.appendTo($('#notebook-container'))
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.addClass('modal-dialog')
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.css('position', 'absolute')
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.css('left', '0px')
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.css('top', '0px');
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this.$window = $('<div />')
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.appendTo(this.$backdrop)
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.addClass('modal-content widget-modal')
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.mousedown(function(){
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that.bring_to_front();
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});
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// Set the elements array since the this.$window element is not child
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// of this.$el and the parent widget manager or other widgets may
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// need to know about all of the top-level widgets. The IPython
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// widget manager uses this to register the elements with the
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// keyboard manager.
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this.additional_elements = [this.$window];
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this.$title_bar = $('<div />')
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.addClass('popover-title')
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.appendTo(this.$window)
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.mousedown(function(){
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that.bring_to_front();
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});
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this.$close = $('<button />')
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.addClass('close fa fa-remove')
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.css('margin-left', '5px')
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.appendTo(this.$title_bar)
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.click(function(){
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that.hide();
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event.stopPropagation();
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});
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this.$minimize = $('<button />')
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.addClass('close fa fa-arrow-down')
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.appendTo(this.$title_bar)
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.click(function(){
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that.popped_out = !that.popped_out;
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if (!that.popped_out) {
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that.$minimize
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.removeClass('fa-arrow-down')
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.addClass('fa-arrow-up');
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that.$window
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.draggable('destroy')
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.resizable('destroy')
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.removeClass('widget-modal modal-content')
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.addClass('docked-widget-modal')
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.detach()
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.insertBefore(that.$show_button);
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that.$show_button.hide();
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that.$close.hide();
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} else {
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that.$minimize
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.addClass('fa-arrow-down')
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.removeClass('fa-arrow-up');
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that.$window
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.removeClass('docked-widget-modal')
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.addClass('widget-modal modal-content')
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.detach()
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.appendTo(that.$backdrop)
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.draggable({handle: '.popover-title', snap: '#notebook, .modal', snapMode: 'both'})
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.resizable()
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.children('.ui-resizable-handle').show();
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that.show();
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that.$show_button.show();
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that.$close.show();
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}
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event.stopPropagation();
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});
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this.$title = $('<div />')
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.addClass('widget-modal-title')
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.html(" ")
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.appendTo(this.$title_bar);
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this.$box = $('<div />')
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.addClass('modal-body')
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.addClass('widget-modal-body')
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.addClass('widget-box')
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.addClass('vbox')
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.appendTo(this.$window);
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this.$show_button = $('<button />')
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.html(" ")
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.addClass('btn btn-info widget-modal-show')
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.appendTo(this.$el)
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.click(function(){
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that.show();
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});
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this.$window.draggable({handle: '.popover-title', snap: '#notebook, .modal', snapMode: 'both'});
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this.$window.resizable();
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this.$window.on('resize', function(){
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that.$box.outerHeight(that.$window.innerHeight() - that.$title_bar.outerHeight());
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});
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this._shown_once = false;
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this.popped_out = true;
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this.children_views.update(this.model.get('children'))
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},
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hide: function() {
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/**
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* Called when the modal hide button is clicked.
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*/
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this.$window.hide();
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this.$show_button.removeClass('btn-info');
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},
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show: function() {
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/**
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* Called when the modal show button is clicked.
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*/
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this.$show_button.addClass('btn-info');
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this.$window.show();
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if (this.popped_out) {
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this.$window.css("positon", "absolute");
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this.$window.css("top", "0px");
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this.$window.css("left", Math.max(0, (($('body').outerWidth() - this.$window.outerWidth()) / 2) +
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$(window).scrollLeft()) + "px");
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this.bring_to_front();
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}
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},
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bring_to_front: function() {
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/**
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* Make the modal top-most, z-ordered about the other modals.
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*/
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var $widget_modals = $(".widget-modal");
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var max_zindex = 0;
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$widget_modals.each(function (index, el){
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var zindex = parseInt($(el).css('z-index'));
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if (!isNaN(zindex)) {
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max_zindex = Math.max(max_zindex, zindex);
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}
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});
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// Start z-index of widget modals at 2000
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max_zindex = Math.max(max_zindex, 2000);
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$widget_modals.each(function (index, el){
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$el = $(el);
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if (max_zindex == parseInt($el.css('z-index'))) {
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$el.css('z-index', max_zindex - 1);
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}
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});
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this.$window.css('z-index', max_zindex);
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},
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update: function(){
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/**
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* Update the contents of this view
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*
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* Called when the model is changed. The model may have been
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* changed by another view or by a state update from the back-end.
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*/
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var description = this.model.get('description');
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if (description.trim().length === 0) {
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this.$title.html(" "); // Preserve title height
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} else {
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this.typeset(this.$title, description);
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}
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var button_text = this.model.get('button_text');
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if (button_text.trim().length === 0) {
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this.$show_button.html(" "); // Preserve button height
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} else {
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this.$show_button.text(button_text);
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}
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if (!this._shown_once) {
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this._shown_once = true;
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this.show();
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}
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return PopupView.__super__.update.apply(this);
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},
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_get_selector_element: function(selector) {
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/**
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* Get an element view a 'special' jquery selector. (see widget.js)
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*
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* Since the modal actually isn't within the $el in the DOM, we need to extend
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* the selector logic to allow the user to set css on the modal if need be.
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* The convention used is:
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* "modal" - select the modal div
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* "modal [selector]" - select element(s) within the modal div.
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* "[selector]" - select elements within $el
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* "" - select the $el
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*/
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if (selector.substring(0, 5) == 'modal') {
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if (selector == 'modal') {
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return this.$window;
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} else {
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return this.$window.find(selector.substring(6));
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}
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} else {
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return PopupView.__super__._get_selector_element.apply(this, [selector]);
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}
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},
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});
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return {
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'BoxView': BoxView,
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'PopupView': PopupView,
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'FlexBoxView': FlexBoxView,
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};
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});
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