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Added note in widget manager why Backbone.sync is there rather...
Added note in widget manager why Backbone.sync is there rather than the base.js (widget.js)

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widget_container.js
279 lines | 10.9 KiB | application/javascript | JavascriptLexer
//----------------------------------------------------------------------------
// Copyright (C) 2013 The IPython Development Team
//
// Distributed under the terms of the BSD License. The full license is in
// the file COPYING, distributed as part of this software.
//----------------------------------------------------------------------------
//============================================================================
// ContainerWidget
//============================================================================
/**
* @module IPython
* @namespace IPython
**/
define(["notebook/js/widgets/widget"], function(widget_manager) {
var set_flex_property = function(element, property_name, enabled) {
if (enabled) {
element.addClass(property_name);
} else {
element.removeClass(property_name);
}
};
var set_flex_properties = function(context, element) {
// Apply flexible box model properties by adding and removing
// corrosponding CSS classes.
// Defined in IPython/html/static/base/less/flexbox.less
set_flex_property(element, 'vbox', context.model.get('_vbox'));
set_flex_property(element, 'hbox', context.model.get('_hbox'));
set_flex_property(element, 'start', context.model.get('_pack_start'));
set_flex_property(element, 'center', context.model.get('_pack_center'));
set_flex_property(element, 'end', context.model.get('_pack_end'));
set_flex_property(element, 'align-start', context.model.get('_align_start'));
set_flex_property(element, 'align-center', context.model.get('_align_center'));
set_flex_property(element, 'align-end', context.model.get('_align_end'));
set_flex_property(element, 'box-flex0', context.model.get('_flex0'));
set_flex_property(element, 'box-flex1', context.model.get('_flex1'));
set_flex_property(element, 'box-flex2', context.model.get('_flex2'));
};
var ContainerModel = IPython.WidgetModel.extend({});
widget_manager.register_widget_model('ContainerWidgetModel', ContainerModel);
var ContainerView = IPython.WidgetView.extend({
render: function(){
this.$el
.addClass('widget-container');
this.children={};
this.update_children([], this.model.get('children'));
this.model.on('change:children', function(model, value, options) {
this.update_children(model.previous('children'), value);
}, this);
this.update()
},
update_children: function(old_list, new_list) {
this.$el.empty();
this.update_child_views(old_list, new_list);
_.each(new_list, function(element, index, list) {
this.$el.append(this.child_views[element].$el);
}, this)
},
update: function(){
set_flex_properties(this, this.$el);
return IPython.WidgetView.prototype.update.call(this);
},
});
widget_manager.register_widget_view('ContainerView', ContainerView);
var ModalView = IPython.WidgetView.extend({
render: function(){
var that = this;
this.children={};
this.update_children([], this.model.get('children'));
this.model.on('change:children', function(model, value, options) {
this.update_children(model.previous('children'), value);
}, this);
this.$el
.html('')
.on("remove", function(){
that.$window.remove();
});
this.$window = $('<div />')
.addClass('modal widget-modal')
.appendTo($('#notebook-container'))
.mousedown(function(){
that.bring_to_front();
});
this.$title_bar = $('<div />')
.addClass('popover-title')
.appendTo(this.$window)
.mousedown(function(){
that.bring_to_front();
});
this.$close = $('<button />')
.addClass('close icon-remove')
.css('margin-left', '5px')
.appendTo(this.$title_bar)
.click(function(){
that.hide();
event.stopPropagation();
});
this.$minimize = $('<button />')
.addClass('close icon-arrow-down')
.appendTo(this.$title_bar)
.click(function(){
that.popped_out = !that.popped_out;
if (!that.popped_out) {
that.$minimize
.removeClass('icon-arrow-down')
.addClass('icon-arrow-up');
that.$window
.draggable('destroy')
.resizable('destroy')
.removeClass('widget-modal modal')
.addClass('docked-widget-modal')
.detach()
.insertBefore(that.$show_button);
that.$show_button.hide();
that.$close.hide();
} else {
that.$minimize
.addClass('icon-arrow-down')
.removeClass('icon-arrow-up');
that.$window
.removeClass('docked-widget-modal')
.addClass('widget-modal modal')
.detach()
.appendTo($('#notebook-container'))
.draggable({handle: '.popover-title', snap: '#notebook, .modal', snapMode: 'both'})
.resizable()
.children('.ui-resizable-handle').show();
that.show();
that.$show_button.show();
that.$close.show();
}
event.stopPropagation();
});
this.$title = $('<div />')
.addClass('widget-modal-title')
.html('&nbsp;')
.appendTo(this.$title_bar);
this.$body = $('<div />')
.addClass('modal-body')
.addClass('widget-modal-body')
.addClass('widget-container')
.appendTo(this.$window);
this.$show_button = $('<button />')
.html('&nbsp;')
.addClass('btn btn-info widget-modal-show')
.appendTo(this.$el)
.click(function(){
that.show();
});
this.$window.draggable({handle: '.popover-title', snap: '#notebook, .modal', snapMode: 'both'});
this.$window.resizable();
this.$window.on('resize', function(){
that.$body.outerHeight(that.$window.innerHeight() - that.$title_bar.outerHeight());
});
this.$el_to_style = this.$body;
this._shown_once = false;
this.popped_out = true;
},
hide: function() {
this.$window.hide();
this.$show_button.removeClass('btn-info');
},
show: function() {
this.$show_button.addClass('btn-info');
this.$window.show();
if (this.popped_out) {
this.$window.css("positon", "absolute");
this.$window.css("top", "0px");
this.$window.css("left", Math.max(0, (($('body').outerWidth() - this.$window.outerWidth()) / 2) +
$(window).scrollLeft()) + "px");
this.bring_to_front();
}
},
bring_to_front: function() {
var $widget_modals = $(".widget-modal");
var max_zindex = 0;
$widget_modals.each(function (index, el){
max_zindex = Math.max(max_zindex, parseInt($(el).css('z-index')));
});
// Start z-index of widget modals at 2000
max_zindex = Math.max(max_zindex, 2000);
$widget_modals.each(function (index, el){
$el = $(el);
if (max_zindex == parseInt($el.css('z-index'))) {
$el.css('z-index', max_zindex - 1);
}
});
this.$window.css('z-index', max_zindex);
},
update_children: function(old_list, new_list) {
this.$el.empty();
this.update_child_views(old_list, new_list);
_.each(new_list, function(element, index, list) {
this.$body.append(this.child_views[element].$el);
}, this)
},
update: function(){
set_flex_properties(this, this.$body);
var description = this.model.get('description');
description = description.replace(/ /g, '&nbsp;', 'm');
description = description.replace(/\n/g, '<br>\n', 'm');
if (description.length === 0) {
this.$title.html('&nbsp;'); // Preserve title height
} else {
this.$title.html(description);
}
var button_text = this.model.get('button_text');
button_text = button_text.replace(/ /g, '&nbsp;', 'm');
button_text = button_text.replace(/\n/g, '<br>\n', 'm');
if (button_text.length === 0) {
this.$show_button.html('&nbsp;'); // Preserve button height
} else {
this.$show_button.html(button_text);
}
if (!this._shown_once) {
this._shown_once = true;
this.show();
}
return IPython.WidgetView.prototype.update.call(this);
},
_get_selector_element: function(selector) {
// Since the modal actually isn't within the $el in the DOM, we need to extend
// the selector logic to allow the user to set css on the modal if need be.
// The convention used is:
// "modal" - select the modal div
// "modal [selector]" - select element(s) within the modal div.
// "[selector]" - select elements within $el
// "" - select the $el_to_style
if (selector.substring(0, 5) == 'modal') {
if (selector == 'modal') {
return this.$window;
} else {
return this.$window.find(selector.substring(6));
}
} else {
return IPython.WidgetView.prototype._get_selector_element.call(this, selector);
}
},
});
widget_manager.register_widget_view('ModalView', ModalView);
});