##// END OF EJS Templates
Made scroll to bottom use msgs...
Made scroll to bottom use msgs allow multiple msg handlers added send to view to automatically hookup callbacks changed send signature to optionally accept a cell to connect callbacks

File last commit:

r14375:4e1cb132
r14403:3dd14b75
Show More
selection.js
355 lines | 12.9 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.
//----------------------------------------------------------------------------
//============================================================================
// SelectionWidget
//============================================================================
/**
* @module IPython
* @namespace IPython
**/
define(["notebook/js/widget"], function(widget_manager){
var SelectionWidgetModel = IPython.WidgetModel.extend({});
widget_manager.register_widget_model('SelectionWidgetModel', SelectionWidgetModel);
var DropdownView = IPython.WidgetView.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();
},
// Handles: Backend -> Frontend Sync
// Frontent -> Frontend Sync
update : function(){
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', function(e){
that.model.set('value', $(e.target).html(), this);
that.model.update_other_views(that);
})
this.$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.WidgetView.prototype.update.call(this);
},
});
widget_manager.register_widget_view('DropdownView', DropdownView);
var RadioButtonsView = IPython.WidgetView.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();
},
// Handles: Backend -> Frontend Sync
// Frontent -> Frontend Sync
update : function(){
// 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);
var that = this;
$('<input />')
.attr('type', 'radio')
.addClass(this.model)
.val(items[index])
.prependTo($label)
.on('click', function(e){
that.model.set('value', $(e.target).val(), this);
that.model.update_other_views(that);
});
}
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.WidgetView.prototype.update.call(this);
},
});
widget_manager.register_widget_view('RadioButtonsView', RadioButtonsView);
var ToggleButtonsView = IPython.WidgetView.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();
},
// Handles: Backend -> Frontend Sync
// Frontent -> Frontend Sync
update : function(){
// 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) {
var that = this;
$('<button />')
.attr('type', 'button')
.addClass('btn')
.html(items[index])
.appendTo(this.$buttongroup)
.on('click', function(e){
that.model.set('value', $(e.target).html(), this);
that.model.update_other_views(that);
});
}
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.WidgetView.prototype.update.call(this);
},
});
widget_manager.register_widget_view('ToggleButtonsView', ToggleButtonsView);
var ListBoxView = IPython.WidgetView.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();
},
// Handles: Backend -> Frontend Sync
// Frontent -> Frontend Sync
update : function(){
// 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) {
var that = this;
$('<option />')
.html(items[index])
.attr('value', items[index])
.appendTo(this.$listbox)
.on('click', function(e){
that.model.set('value', $(e.target).html(), this);
that.model.update_other_views(that);
});
}
}
// Select the correct element
this.$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.WidgetView.prototype.update.call(this);
},
});
widget_manager.register_widget_view('ListBoxView', ListBoxView);
});