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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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], function(widget, $){
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var ContainerView = widget.DOMWidgetView.extend({
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render: function(){
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// Called when view is rendered.
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this.$el.addClass('widget-container')
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.addClass('vbox');
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this.update_children([], this.model.get('children'));
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this.model.on('change:children', function(model, value, options) {
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this.update_children(model.previous('children'), value);
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}, this);
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this.update();
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// Trigger model displayed events for any models that are child to
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// this model when this model is displayed.
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var that = this;
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this.on('displayed', function(){
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that.is_displayed = true;
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for (var property in that.child_views) {
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if (that.child_views.hasOwnProperty(property)) {
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that.child_views[property].trigger('displayed');
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}
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}
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});
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},
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update_children: function(old_list, new_list) {
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// Called when the children list changes.
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this.do_diff(old_list,
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new_list,
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$.proxy(this.remove_child_model, this),
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$.proxy(this.add_child_model, this));
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},
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remove_child_model: function(model) {
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// Called when a model is removed from the children list.
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this.pop_child_view(model).remove();
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},
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add_child_model: function(model) {
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// Called when a model is added to the children list.
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var view = this.create_child_view(model);
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this.$el.append(view.$el);
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// Trigger the displayed event if this model is displayed.
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if (this.is_displayed) {
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view.trigger('displayed');
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}
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},
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update: function(){
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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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return ContainerView.__super__.update.apply(this);
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},
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});
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var PopupView = widget.DOMWidgetView.extend({
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render: function(){
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// Called when view is rendered.
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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 = $('<button />')
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.addClass('close icon-remove')
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.css('margin-left', '5px')
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.appendTo(this.$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 = $('<button />')
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.addClass('close icon-arrow-down')
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.appendTo(this.$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.$minimize
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.removeClass('icon-arrow-down')
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.addClass('icon-arrow-up');
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that.$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('icon-arrow-down')
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.removeClass('icon-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.$body = $('<div />')
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.addClass('modal-body')
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.addClass('widget-modal-body')
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.addClass('widget-container')
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.addClass('vbox')
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.appendTo(this.$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.$window.on('resize', function(){
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that.$body.outerHeight(that.$window.innerHeight() - that.$title_bar.outerHeight());
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});
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this.$el_to_style = this.$body;
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this._shown_once = false;
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this.popped_out = true;
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this.update_children([], this.model.get('children'));
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this.model.on('change:children', function(model, value, options) {
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this.update_children(model.previous('children'), value);
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}, this);
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this.update();
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// Trigger model displayed events for any models that are child to
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// this model when this model is displayed.
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this.on('displayed', function(){
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that.is_displayed = true;
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for (var property in that.child_views) {
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if (that.child_views.hasOwnProperty(property)) {
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that.child_views[property].trigger('displayed');
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}
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}
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});
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},
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hide: function() {
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// Called when the modal hide button is clicked.
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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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// Called when the modal show button is clicked.
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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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// Make the modal top-most, z-ordered about the other modals.
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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_children: function(old_list, new_list) {
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// Called when the children list is modified.
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this.do_diff(old_list,
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new_list,
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$.proxy(this.remove_child_model, this),
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$.proxy(this.add_child_model, this));
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},
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remove_child_model: function(model) {
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// Called when a child is removed from children list.
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this.pop_child_view(model).remove();
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},
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add_child_model: function(model) {
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// Called when a child is added to children list.
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var view = this.create_child_view(model);
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this.$body.append(view.$el);
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// Trigger the displayed event if this model is displayed.
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if (this.is_displayed) {
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view.trigger('displayed');
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}
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},
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update: function(){
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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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var description = this.model.get('description');
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if (description.trim().length === 0) {
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this.$title.html(" "); // Preserve title height
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} else {
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this.$title.text(description);
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MathJax.Hub.Queue(["Typeset",MathJax.Hub,this.$title.get(0)]);
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}
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var button_text = this.model.get('button_text');
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if (button_text.trim().length === 0) {
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this.$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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// 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 $el_to_style
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if (selector.substring(0, 5) == 'modal') {
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if (selector == 'modal') {
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return this.$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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'ContainerView': ContainerView,
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'PopupView': PopupView,
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};
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});
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