/**
* MenuButton.js
*
* Released under LGPL License.
* Copyright (c) 1999-2015 Ephox Corp. All rights reserved
*
* License: http://www.tinymce.com/license
* Contributing: http://www.tinymce.com/contributing
*/
/**
* Creates a new menu button.
*
* @-x-less MenuButton.less
* @class tinymce.ui.MenuButton
* @extends tinymce.ui.Button
*/
define("tinymce/ui/MenuButton", [
"tinymce/ui/Button",
"tinymce/ui/Factory",
"tinymce/ui/MenuBar"
], function(Button, Factory, MenuBar) {
"use strict";
// TODO: Maybe add as some global function
function isChildOf(node, parent) {
while (node) {
if (parent === node) {
return true;
}
node = node.parentNode;
}
return false;
}
var MenuButton = Button.extend({
/**
* Constructs a instance with the specified settings.
*
* @constructor
* @param {Object} settings Name/value object with settings.
*/
init: function(settings) {
var self = this;
self._renderOpen = true;
self._super(settings);
settings = self.settings;
self.classes.add('menubtn');
if (settings.fixedWidth) {
self.classes.add('fixed-width');
}
self.aria('haspopup', true);
self.state.set('menu', settings.menu || self.render());
},
/**
* Shows the menu for the button.
*
* @method showMenu
*/
showMenu: function() {
var self = this, menu;
if (self.menu && self.menu.visible()) {
return self.hideMenu();
}
if (!self.menu) {
menu = self.state.get('menu') || [];
// Is menu array then auto constuct menu control
if (menu.length) {
menu = {
type: 'menu',
items: menu
};
} else {
menu.type = menu.type || 'menu';
}
if (!menu.renderTo) {
self.menu = Factory.create(menu).parent(self).renderTo();
} else {
self.menu = menu.parent(self).show().renderTo();
}
self.fire('createmenu');
self.menu.reflow();
self.menu.on('cancel', function(e) {
if (e.control.parent() === self.menu) {
e.stopPropagation();
self.focus();
self.hideMenu();
}
});
// Move focus to button when a menu item is selected/clicked
self.menu.on('select', function() {
self.focus();
});
self.menu.on('show hide', function(e) {
if (e.control == self.menu) {
self.activeMenu(e.type == 'show');
}
self.aria('expanded', e.type == 'show');
}).fire('show');
}
self.menu.show();
self.menu.layoutRect({w: self.layoutRect().w});
self.menu.moveRel(self.getEl(), self.isRtl() ? ['br-tr', 'tr-br'] : ['bl-tl', 'tl-bl']);
},
/**
* Hides the menu for the button.
*
* @method hideMenu
*/
hideMenu: function() {
var self = this;
if (self.menu) {
self.menu.items().each(function(item) {
if (item.hideMenu) {
item.hideMenu();
}
});
self.menu.hide();
}
},
/**
* Sets the active menu state.
*
* @private
*/
activeMenu: function(state) {
this.classes.toggle('active', state);
},
/**
* Renders the control as a HTML string.
*
* @method renderHtml
* @return {String} HTML representing the control.
*/
renderHtml: function() {
var self = this, id = self._id, prefix = self.classPrefix;
var icon = self.settings.icon, image, text = self.state.get('text');
image = self.settings.image;
if (image) {
icon = 'none';
// Support for [high dpi, low dpi] image sources
if (typeof image != "string") {
image = window.getSelection ? image[0] : image[1];
}
image = ' style="background-image: url(\'' + image + '\')"';
} else {
image = '';
}
icon = self.settings.icon ? prefix + 'ico ' + prefix + 'i-' + icon : '';
self.aria('role', self.parent() instanceof MenuBar ? 'menuitem' : 'button');
return (
'<div id="' + id + '" class="' + self.classes + '" tabindex="-1" aria-labelledby="' + id + '">' +
'<button id="' + id + '-open" role="presentation" type="button" tabindex="-1">' +
(icon ? '<i class="' + icon + '"' + image + '></i>' : '') +
(text ? (icon ? '\u00a0' : '') + self.encode(text) : '') +
' <i class="' + prefix + 'caret"></i>' +
'</button>' +
'</div>'
);
},
/**
* Gets invoked after the control has been rendered.
*
* @method postRender
*/
postRender: function() {
var self = this;
self.on('click', function(e) {
if (e.control === self && isChildOf(e.target, self.getEl())) {
self.showMenu();
if (e.aria) {
self.menu.items()[0].focus();
}
}
});
self.on('mouseenter', function(e) {
var overCtrl = e.control, parent = self.parent(), hasVisibleSiblingMenu;
if (overCtrl && parent && overCtrl instanceof MenuButton && overCtrl.parent() == parent) {
parent.items().filter('MenuButton').each(function(ctrl) {
if (ctrl.hideMenu && ctrl != overCtrl) {
if (ctrl.menu && ctrl.menu.visible()) {
hasVisibleSiblingMenu = true;
}
ctrl.hideMenu();
}
});
if (hasVisibleSiblingMenu) {
overCtrl.focus(); // Fix for: #5887
overCtrl.showMenu();
}
}
});
return self._super();
},
bindStates: function() {
var self = this;
self.state.on('change:menu', function() {
if (self.menu) {
self.menu.remove();
}
self.menu = null;
});
return self._super();
},
/**
* Removes the control and it's menus.
*
* @method remove
*/
remove: function() {
this._super();
if (this.menu) {
this.menu.remove();
}
}
});
return MenuButton;
});
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