/**
* ListBox.js
*
* Released under LGPL License.
* Copyright (c) 1999-2017 Ephox Corp. All rights reserved
*
* License: http://www.tinymce.com/license
* Contributing: http://www.tinymce.com/contributing
*/
/**
* Creates a new list box control.
*
* @-x-less ListBox.less
* @class tinymce.ui.ListBox
* @extends tinymce.ui.MenuButton
*/
define(
'tinymce.ui.ListBox',
[
"tinymce.ui.MenuButton",
"tinymce.ui.Menu"
],
function (MenuButton, Menu) {
"use strict";
return MenuButton.extend({
/**
* Constructs a instance with the specified settings.
*
* @constructor
* @param {Object} settings Name/value object with settings.
* @setting {Array} values Array with values to add to list box.
*/
init: function (settings) {
var self = this, values, selected, selectedText, lastItemCtrl;
function setSelected(menuValues) {
// Try to find a selected value
for (var i = 0; i < menuValues.length; i++) {
selected = menuValues[i].selected || settings.value === menuValues[i].value;
if (selected) {
selectedText = selectedText || menuValues[i].text;
self.state.set('value', menuValues[i].value);
return true;
}
// If the value has a submenu, try to find the selected values in that menu
if (menuValues[i].menu) {
if (setSelected(menuValues[i].menu)) {
return true;
}
}
}
}
self._super(settings);
settings = self.settings;
self._values = values = settings.values;
if (values) {
if (typeof settings.value != "undefined") {
setSelected(values);
}
// Default with first item
if (!selected && values.length > 0) {
selectedText = values[0].text;
self.state.set('value', values[0].value);
}
self.state.set('menu', values);
}
self.state.set('text', settings.text || selectedText);
self.classes.add('listbox');
self.on('select', function (e) {
var ctrl = e.control;
if (lastItemCtrl) {
e.lastControl = lastItemCtrl;
}
if (settings.multiple) {
ctrl.active(!ctrl.active());
} else {
self.value(e.control.value());
}
lastItemCtrl = ctrl;
});
},
/**
* Getter/setter function for the control value.
*
* @method value
* @param {String} [value] Value to be set.
* @return {Boolean/tinymce.ui.ListBox} Value or self if it's a set operation.
*/
bindStates: function () {
var self = this;
function activateMenuItemsByValue(menu, value) {
if (menu instanceof Menu) {
menu.items().each(function (ctrl) {
if (!ctrl.hasMenus()) {
ctrl.active(ctrl.value() === value);
}
});
}
}
function getSelectedItem(menuValues, value) {
var selectedItem;
if (!menuValues) {
return;
}
for (var i = 0; i < menuValues.length; i++) {
if (menuValues[i].value === value) {
return menuValues[i];
}
if (menuValues[i].menu) {
selectedItem = getSelectedItem(menuValues[i].menu, value);
if (selectedItem) {
return selectedItem;
}
}
}
}
self.on('show', function (e) {
activateMenuItemsByValue(e.control, self.value());
});
self.state.on('change:value', function (e) {
var selectedItem = getSelectedItem(self.state.get('menu'), e.value);
if (selectedItem) {
self.text(selectedItem.text);
} else {
self.text(self.settings.text);
}
});
return self._super();
}
});
}
);
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