##// END OF EJS Templates
comment model.set, so we know that it triggers update on other views
comment model.set, so we know that it triggers update on other views

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widget_selection.js
380 lines | 13.8 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.
//----------------------------------------------------------------------------
//============================================================================
// SelectionWidget
//============================================================================
/**
* @module IPython
* @namespace IPython
**/
define(["notebook/js/widgets/widget"], function(widget_manager){
var SelectionWidgetModel = IPython.WidgetModel.extend({});
widget_manager.register_widget_model('SelectionWidgetModel', SelectionWidgetModel);
var DropdownView = IPython.DOMWidgetView.extend({
// Called when view is rendered.
render : function(){
this.$el
.addClass('widget-hbox-single')
.html('');
this.$label = $('<div />')
.appendTo(this.$el)
.addClass('widget-hlabel')
.hide();
this.$buttongroup = $('<div />')
.addClass('widget_item')
.addClass('btn-group')
.appendTo(this.$el);
this.$el_to_style = this.$buttongroup; // Set default element to style
this.$droplabel = $('<button />')
.addClass('btn')
.addClass('widget-combo-btn')
.html('&nbsp;')
.appendTo(this.$buttongroup);
this.$dropbutton = $('<button />')
.addClass('btn')
.addClass('dropdown-toggle')
.addClass('widget-combo-carrot-btn')
.attr('data-toggle', 'dropdown')
.html('<span class="caret"></span>')
.appendTo(this.$buttongroup);
this.$droplist = $('<ul />')
.addClass('dropdown-menu')
.appendTo(this.$buttongroup);
// Set defaults.
this.update();
},
update : function(){
// Update the contents of this view
//
// Called when the model is changed. The model may have been
// changed by another view or by a state update from the back-end.
var selected_item_text = this.model.get('value');
selected_item_text = selected_item_text.replace(/ /g, '&nbsp;');
selected_item_text = selected_item_text.replace(/\n/g, '<br>\n');
if (selected_item_text.length === 0) {
this.$droplabel.html('&nbsp;');
} else {
this.$droplabel.html(selected_item_text);
}
var items = this.model.get('values');
this.$droplist.html('');
for (var index in items) {
var that = this;
var item_button = $('<a href="#"/>')
.html(items[index])
.on('click', $.proxy(this.handle_click, this));
this.$droplist.append($('<li />').append(item_button));
}
if (this.model.get('disabled')) {
this.$buttongroup.attr('disabled','disabled');
this.$droplabel.attr('disabled','disabled');
this.$dropbutton.attr('disabled','disabled');
this.$droplist.attr('disabled','disabled');
} else {
this.$buttongroup.removeAttr('disabled');
this.$droplabel.removeAttr('disabled');
this.$dropbutton.removeAttr('disabled');
this.$droplist.removeAttr('disabled');
}
var description = this.model.get('description');
if (description.length === 0) {
this.$label.hide();
} else {
this.$label.html(description);
this.$label.show();
}
return IPython.DOMWidgetView.prototype.update.call(this);
},
// Handle when a value is clicked.
handle_click: function (e) {
// Calling model.set will trigger all of the other views of the
// model to update.
this.model.set('value', $(e.target).html(), this);
this.touch();
},
});
widget_manager.register_widget_view('DropdownView', DropdownView);
var RadioButtonsView = IPython.DOMWidgetView.extend({
// Called when view is rendered.
render : function(){
this.$el
.addClass('widget-hbox')
.html('');
this.$label = $('<div />')
.appendTo(this.$el)
.addClass('widget-hlabel')
.hide();
this.$container = $('<div />')
.appendTo(this.$el)
.addClass('widget-container')
.addClass('vbox');
this.$el_to_style = this.$container; // Set default element to style
this.update();
},
update : function(){
// Update the contents of this view
//
// Called when the model is changed. The model may have been
// changed by another view or by a state update from the back-end.
// Add missing items to the DOM.
var items = this.model.get('values');
var disabled = this.model.get('disabled');
for (var index in items) {
var item_query = ' :input[value="' + items[index] + '"]';
if (this.$el.find(item_query).length === 0) {
var $label = $('<label />')
.addClass('radio')
.html(items[index])
.appendTo(this.$container);
$('<input />')
.attr('type', 'radio')
.addClass(this.model)
.val(items[index])
.prependTo($label)
.on('click', $.proxy(this.handle_click, this));
}
var $item_element = this.$container.find(item_query);
if (this.model.get('value') == items[index]) {
$item_element.prop('checked', true);
} else {
$item_element.prop('checked', false);
}
$item_element.prop('disabled', disabled);
}
// Remove items that no longer exist.
this.$container.find('input').each(function(i, obj) {
var value = $(obj).val();
var found = false;
for (var index in items) {
if (items[index] == value) {
found = true;
break;
}
}
if (!found) {
$(obj).parent().remove();
}
});
var description = this.model.get('description');
if (description.length === 0) {
this.$label.hide();
} else {
this.$label.html(description);
this.$label.show();
}
return IPython.DOMWidgetView.prototype.update.call(this);
},
// Handle when a value is clicked.
handle_click: function (e) {
// Calling model.set will trigger all of the other views of the
// model to update.
this.model.set('value', $(e.target).val(), this);
this.touch();
},
});
widget_manager.register_widget_view('RadioButtonsView', RadioButtonsView);
var ToggleButtonsView = IPython.DOMWidgetView.extend({
// Called when view is rendered.
render : function(){
this.$el
.addClass('widget-hbox-single')
.html('');
this.$label = $('<div />')
.appendTo(this.$el)
.addClass('widget-hlabel')
.hide();
this.$buttongroup = $('<div />')
.addClass('btn-group')
.attr('data-toggle', 'buttons-radio')
.appendTo(this.$el);
this.$el_to_style = this.$buttongroup; // Set default element to style
this.update();
},
update : function(){
// Update the contents of this view
//
// Called when the model is changed. The model may have been
// changed by another view or by a state update from the back-end.
// Add missing items to the DOM.
var items = this.model.get('values');
var disabled = this.model.get('disabled');
for (var index in items) {
var item_query = ' :contains("' + items[index] + '")';
if (this.$buttongroup.find(item_query).length === 0) {
$('<button />')
.attr('type', 'button')
.addClass('btn')
.html(items[index])
.appendTo(this.$buttongroup)
.on('click', $.proxy(this.handle_click, this));
}
var $item_element = this.$buttongroup.find(item_query);
if (this.model.get('value') == items[index]) {
$item_element.addClass('active');
} else {
$item_element.removeClass('active');
}
$item_element.prop('disabled', disabled);
}
// Remove items that no longer exist.
this.$buttongroup.find('button').each(function(i, obj) {
var value = $(obj).html();
var found = false;
for (var index in items) {
if (items[index] == value) {
found = true;
break;
}
}
if (!found) {
$(obj).remove();
}
});
var description = this.model.get('description');
if (description.length === 0) {
this.$label.hide();
} else {
this.$label.html(description);
this.$label.show();
}
return IPython.DOMWidgetView.prototype.update.call(this);
},
// Handle when a value is clicked.
handle_click: function (e) {
// Calling model.set will trigger all of the other views of the
// model to update.
this.model.set('value', $(e.target).html(), this);
this.touch();
},
});
widget_manager.register_widget_view('ToggleButtonsView', ToggleButtonsView);
var ListBoxView = IPython.DOMWidgetView.extend({
// Called when view is rendered.
render : function(){
this.$el
.addClass('widget-hbox')
.html('');
this.$label = $('<div />')
.appendTo(this.$el)
.addClass('widget-hlabel')
.hide();
this.$listbox = $('<select />')
.addClass('widget-listbox')
.attr('size', 6)
.appendTo(this.$el);
this.$el_to_style = this.$listbox; // Set default element to style
this.update();
},
update : function(){
// Update the contents of this view
//
// Called when the model is changed. The model may have been
// changed by another view or by a state update from the back-end.
// Add missing items to the DOM.
var items = this.model.get('values');
for (var index in items) {
var item_query = ' :contains("' + items[index] + '")';
if (this.$listbox.find(item_query).length === 0) {
$('<option />')
.html(items[index])
.attr('value', items[index])
.appendTo(this.$listbox)
.on('click', $.proxy(this.handle_click, this));
}
}
// Select the correct element
this.$listbox.val(this.model.get('value'));
// Disable listbox if needed
var disabled = this.model.get('disabled');
this.$listbox.prop('disabled', disabled);
// Remove items that no longer exist.
this.$listbox.find('option').each(function(i, obj) {
var value = $(obj).html();
var found = false;
for (var index in items) {
if (items[index] == value) {
found = true;
break;
}
}
if (!found) {
$(obj).remove();
}
});
var description = this.model.get('description');
if (description.length === 0) {
this.$label.hide();
} else {
this.$label.html(description);
this.$label.show();
}
return IPython.DOMWidgetView.prototype.update.call(this);
},
// Handle when a value is clicked.
handle_click: function (e) {
// Calling model.set will trigger all of the other views of the
// model to update.
this.model.set('value', $(e.target).html(), this);
this.touch();
},
});
widget_manager.register_widget_view('ListBoxView', ListBoxView);
});