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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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"base/js/utils",
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"jquery",
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"bootstrap",
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], function(widget, utils, $){
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var DropdownView = widget.DOMWidgetView.extend({
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render : function(){
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// Called when view is rendered.
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this.$el
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.addClass('widget-hbox-single');
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this.$label = $('<div />')
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.appendTo(this.$el)
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.addClass('widget-hlabel')
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.hide();
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this.$buttongroup = $('<div />')
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.addClass('widget_item')
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.addClass('btn-group')
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.appendTo(this.$el);
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this.$droplabel = $('<button />')
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.addClass('btn btn-default')
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.addClass('widget-combo-btn')
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.html(" ")
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.appendTo(this.$buttongroup);
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this.$dropbutton = $('<button />')
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.addClass('btn btn-default')
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.addClass('dropdown-toggle')
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.addClass('widget-combo-carrot-btn')
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.attr('data-toggle', 'dropdown')
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.append($('<span />').addClass("caret"))
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.appendTo(this.$buttongroup);
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this.$droplist = $('<ul />')
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.addClass('dropdown-menu')
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.appendTo(this.$buttongroup);
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// Set defaults.
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this.update();
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},
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update : function(options){
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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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if (options === undefined || options.updated_view != this) {
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var selected_item_text = this.model.get('value_name');
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if (selected_item_text.trim().length === 0) {
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this.$droplabel.html(" ");
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} else {
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this.$droplabel.text(selected_item_text);
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}
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var items = this.model.get('value_names');
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var $replace_droplist = $('<ul />')
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.addClass('dropdown-menu');
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// Copy the style
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$replace_droplist.attr('style', this.$droplist.attr('style'));
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var that = this;
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_.each(items, function(item, i) {
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var item_button = $('<a href="#"/>')
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.text(item)
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.on('click', $.proxy(that.handle_click, that));
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$replace_droplist.append($('<li />').append(item_button));
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});
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this.$droplist.replaceWith($replace_droplist);
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this.$droplist.remove();
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this.$droplist = $replace_droplist;
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if (this.model.get('disabled')) {
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this.$buttongroup.attr('disabled','disabled');
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this.$droplabel.attr('disabled','disabled');
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this.$dropbutton.attr('disabled','disabled');
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this.$droplist.attr('disabled','disabled');
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} else {
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this.$buttongroup.removeAttr('disabled');
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this.$droplabel.removeAttr('disabled');
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this.$dropbutton.removeAttr('disabled');
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this.$droplist.removeAttr('disabled');
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}
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var description = this.model.get('description');
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if (description.length === 0) {
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this.$label.hide();
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} else {
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this.$label.text(description);
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MathJax.Hub.Queue(["Typeset",MathJax.Hub,this.$label.get(0)]);
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this.$label.show();
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}
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}
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return DropdownView.__super__.update.apply(this);
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},
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update_attr: function(name, value) {
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// Set a css attr of the widget view.
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if (name.substring(0, 6) == 'border' || name == 'background' || name == 'color') {
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this.$droplabel.css(name, value);
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this.$dropbutton.css(name, value);
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this.$droplist.css(name, value);
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} else if (name == 'width') {
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var width = value - this.$dropbutton.width();
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this.$droplist.css(name, width);
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this.$droplabel.css(name, width);
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} else if (name == 'height') {
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this.$droplabel.css(name, value);
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this.$dropbutton.css(name, value);
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} else {
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this.$droplist.css(name, value);
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this.$droplabel.css(name, value);
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}
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},
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handle_click: function (e) {
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// Handle when a value is clicked.
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// Calling model.set will trigger all of the other views of the
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// model to update.
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this.model.set('value_name', $(e.target).text(), {updated_view: this});
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this.touch();
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},
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});
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var RadioButtonsView = widget.DOMWidgetView.extend({
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render : function(){
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// Called when view is rendered.
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this.$el
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.addClass('widget-hbox');
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this.$label = $('<div />')
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.appendTo(this.$el)
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.addClass('widget-hlabel')
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.hide();
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this.$container = $('<div />')
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.appendTo(this.$el)
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.addClass('widget-radio-box');
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this.update();
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},
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update : function(options){
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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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if (options === undefined || options.updated_view != this) {
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// Add missing items to the DOM.
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var items = this.model.get('value_names');
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var disabled = this.model.get('disabled');
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var that = this;
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_.each(items, function(item, index) {
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var item_query = ' :input[value="' + item + '"]';
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if (that.$el.find(item_query).length === 0) {
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var $label = $('<label />')
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.addClass('radio')
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.text(item)
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.appendTo(that.$container);
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$('<input />')
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.attr('type', 'radio')
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.addClass(that.model)
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.val(item)
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.prependTo($label)
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.on('click', $.proxy(that.handle_click, that));
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}
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var $item_element = that.$container.find(item_query);
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if (that.model.get('value_name') == item) {
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$item_element.prop('checked', true);
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} else {
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$item_element.prop('checked', false);
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}
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$item_element.prop('disabled', disabled);
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});
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// Remove items that no longer exist.
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this.$container.find('input').each(function(i, obj) {
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var value = $(obj).val();
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var found = false;
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_.each(items, function(item, index) {
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if (item == value) {
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found = true;
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return false;
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}
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});
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if (!found) {
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$(obj).parent().remove();
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}
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});
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var description = this.model.get('description');
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if (description.length === 0) {
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this.$label.hide();
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} else {
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this.$label.text(description);
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MathJax.Hub.Queue(["Typeset",MathJax.Hub,this.$label.get(0)]);
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this.$label.show();
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}
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}
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return RadioButtonsView.__super__.update.apply(this);
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},
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update_attr: function(name, value) {
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// Set a css attr of the widget view.
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this.$container.css(name, value);
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},
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handle_click: function (e) {
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// Handle when a value is clicked.
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// Calling model.set will trigger all of the other views of the
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// model to update.
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this.model.set('value_name', $(e.target).val(), {updated_view: this});
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this.touch();
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},
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});
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var ToggleButtonsView = widget.DOMWidgetView.extend({
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initialize: function() {
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this._css_state = {};
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ToggleButtonsView.__super__.initialize.apply(this, arguments);
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},
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render: function() {
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// Called when view is rendered.
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this.$el
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.addClass('widget-hbox-single');
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this.$label = $('<div />')
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.appendTo(this.$el)
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.addClass('widget-hlabel')
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.hide();
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this.$buttongroup = $('<div />')
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.addClass('btn-group')
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.attr('data-toggle', 'buttons-radio')
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.appendTo(this.$el);
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this.update();
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},
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update : function(options){
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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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if (options === undefined || options.updated_view != this) {
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// Add missing items to the DOM.
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var items = this.model.get('value_names');
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var disabled = this.model.get('disabled');
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var that = this;
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var item_html;
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_.each(items, function(item, index) {
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if (item.trim().length == 0) {
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item_html = " ";
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} else {
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item_html = utils.escape_html(item);
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}
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var item_query = '[data-value="' + item + '"]';
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var $item_element = that.$buttongroup.find(item_query);
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if (!$item_element.length) {
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$item_element = $('<button/>')
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.attr('type', 'button')
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.addClass('btn btn-default')
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.html(item_html)
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.appendTo(that.$buttongroup)
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.attr('data-value', item)
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.on('click', $.proxy(that.handle_click, that));
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that._update_button_style($item_element);
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}
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if (that.model.get('value_name') == item) {
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$item_element.addClass('active');
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} else {
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$item_element.removeClass('active');
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}
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$item_element.prop('disabled', disabled);
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});
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// Remove items that no longer exist.
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this.$buttongroup.find('button').each(function(i, obj) {
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var value = $(obj).data('value');
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var found = false;
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_.each(items, function(item, index) {
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if (item == value) {
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found = true;
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return false;
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}
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});
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if (!found) {
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$(obj).remove();
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}
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});
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var description = this.model.get('description');
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if (description.length === 0) {
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this.$label.hide();
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} else {
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this.$label.text(description);
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MathJax.Hub.Queue(["Typeset",MathJax.Hub,this.$label.get(0)]);
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this.$label.show();
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}
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}
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return ToggleButtonsView.__super__.update.apply(this);
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},
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update_attr: function(name, value) {
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// Set a css attr of the widget view.
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this._css_state[name] = value;
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this._update_button_style();
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},
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_update_button_style: function(button) {
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for (var name in this._css_state) {
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if (this._css_state.hasOwnProperty(name) && name != 'width') {
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if (button) {
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button.css(name, this._css_state[name]);
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} else {
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this.$buttongroup.find('button').each(function(i, obj) {
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$(obj).css(name, this._css_state[name]);
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});
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}
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}
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}
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},
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handle_click: function (e) {
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// Handle when a value is clicked.
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// Calling model.set will trigger all of the other views of the
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// model to update.
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this.model.set('value_name', $(e.target).data('value'), {updated_view: this});
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this.touch();
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},
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});
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var SelectView = widget.DOMWidgetView.extend({
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render : function(){
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// Called when view is rendered.
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this.$el
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.addClass('widget-hbox');
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this.$label = $('<div />')
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.appendTo(this.$el)
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.addClass('widget-hlabel')
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.hide();
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this.$listbox = $('<select />')
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.addClass('widget-listbox form-control')
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.attr('size', 6)
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.appendTo(this.$el);
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this.update();
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},
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update : function(options){
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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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if (options === undefined || options.updated_view != this) {
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// Add missing items to the DOM.
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var items = this.model.get('value_names');
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var that = this;
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_.each(items, function(item, index) {
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var item_query = ' :contains("' + item + '")';
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if (that.$listbox.find(item_query).length === 0) {
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$('<option />')
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.text(item)
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.attr('value_name', item)
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.appendTo(that.$listbox)
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.on('click', $.proxy(that.handle_click, that));
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}
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});
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// Select the correct element
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this.$listbox.val(this.model.get('value_name'));
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// Disable listbox if needed
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var disabled = this.model.get('disabled');
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this.$listbox.prop('disabled', disabled);
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// Remove items that no longer exist.
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this.$listbox.find('option').each(function(i, obj) {
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var value = $(obj).text();
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var found = false;
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_.each(items, function(item, index) {
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if (item == value) {
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found = true;
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return false;
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}
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});
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if (!found) {
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$(obj).remove();
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}
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});
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var description = this.model.get('description');
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if (description.length === 0) {
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this.$label.hide();
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} else {
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this.$label.text(description);
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MathJax.Hub.Queue(["Typeset",MathJax.Hub,this.$label.get(0)]);
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this.$label.show();
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}
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}
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return SelectView.__super__.update.apply(this);
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},
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update_attr: function(name, value) {
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// Set a css attr of the widget view.
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this.$listbox.css(name, value);
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},
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handle_click: function (e) {
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// Handle when a value is clicked.
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// Calling model.set will trigger all of the other views of the
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// model to update.
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this.model.set('value_name', $(e.target).text(), {updated_view: this});
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this.touch();
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},
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});
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return {
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'DropdownView': DropdownView,
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'RadioButtonsView': RadioButtonsView,
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'ToggleButtonsView': ToggleButtonsView,
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'SelectView': SelectView,
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};
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});
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