web-apps/apps/common/main/lib/component/MenuItem.js
2016-04-01 16:17:09 +03:00

348 lines
11 KiB
JavaScript

/*
*
* (c) Copyright Ascensio System Limited 2010-2016
*
* This program is a free software product. You can redistribute it and/or
* modify it under the terms of the GNU Affero General Public License (AGPL)
* version 3 as published by the Free Software Foundation. In accordance with
* Section 7(a) of the GNU AGPL its Section 15 shall be amended to the effect
* that Ascensio System SIA expressly excludes the warranty of non-infringement
* of any third-party rights.
*
* This program is distributed WITHOUT ANY WARRANTY; without even the implied
* warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. For
* details, see the GNU AGPL at: http://www.gnu.org/licenses/agpl-3.0.html
*
* You can contact Ascensio System SIA at Lubanas st. 125a-25, Riga, Latvia,
* EU, LV-1021.
*
* The interactive user interfaces in modified source and object code versions
* of the Program must display Appropriate Legal Notices, as required under
* Section 5 of the GNU AGPL version 3.
*
* Pursuant to Section 7(b) of the License you must retain the original Product
* logo when distributing the program. Pursuant to Section 7(e) we decline to
* grant you any rights under trademark law for use of our trademarks.
*
* All the Product's GUI elements, including illustrations and icon sets, as
* well as technical writing content are licensed under the terms of the
* Creative Commons Attribution-ShareAlike 4.0 International. See the License
* terms at http://creativecommons.org/licenses/by-sa/4.0/legalcode
*
*/
/**
* MenuItem.js
*
* A base class for all menu items that require menu-related functionality such as click handling,
* sub-menus, icons, etc.
*
* Created by Alexander Yuzhin on 1/27/14
* Copyright (c) 2014 Ascensio System SIA. All rights reserved.
*
*/
/**
* Default template
*
* Simple menu item:
* <li><a href="#">Caption</a></li>
*
* Separator:
* <li class="divider"></li>
*
* Menu item with sub-menu:
* <li class="dropdown-submenu">
* <a href="#">Sub-menu item</a>
* <ul class="dropdown-menu"></ul>
* </li>
*
*
* Example usage:
*
* new Common.UI.MenuItem({
* caption: 'View Compact Toolbar',
* checkable: true,
* menu: {
* items: [
* { caption: 'Menu item 1', value: 'value-1' },
* { caption: 'Menu item 2', value: 'value-2' },
* new Common.UI.MenuItem({ caption: 'Menu item 3', value: 'value-3' })
* ]
* }
* });
*
* @property {Object} value
*
* @property {Common.UI.Menu} menu
*
*
*/
if (Common === undefined)
var Common = {};
define([
'common/main/lib/component/BaseView',
'common/main/lib/component/ToggleManager'
], function () {
'use strict';
Common.UI.MenuItem = Common.UI.BaseView.extend({
options : {
id : null,
cls : '',
style : '',
hint : false,
checkable : false,
checked : false,
allowDepress: false,
disabled : false,
value : null,
toggleGroup : null,
iconCls : '',
menu : null,
canFocused : true
},
tagName : 'li',
template: _.template([
'<a id="<%= id %>" style="<%= style %>" <% if(options.canFocused) { %> tabindex="-1" type="menuitem" <% }; if(!_.isUndefined(options.stopPropagation)) { %> data-stopPropagation="true" <% }; %> >',
'<% if (!_.isEmpty(iconCls)) { %>',
'<span class="menu-item-icon <%= iconCls %>"></span>',
'<% } %>',
'<%= caption %>',
'</a>'
].join('')),
initialize : function(options) {
Common.UI.BaseView.prototype.initialize.call(this, options);
var me = this,
el = $(this.el);
this.id = me.options.id || Common.UI.getId();
this.cls = me.options.cls;
this.style = me.options.style;
this.caption = me.options.caption;
this.menu = me.options.menu || null;
this.checkable = me.options.checkable;
this.checked = me.options.checked;
me.allowDepress = me.options.allowDepress;
this.disabled = me.options.disabled;
this.value = me.options.value;
this.toggleGroup = me.options.toggleGroup;
this.template = me.options.template || this.template;
this.iconCls = me.options.iconCls;
this.rendered = false;
if (this.menu !== null && !(this.menu instanceof Common.UI.Menu)) {
this.menu = new Common.UI.Menu(_.extend({}, me.options.menu));
}
if (me.options.el)
this.render();
},
render: function() {
var me = this,
el = $(this.el);
me.trigger('render:before', me);
if (me.caption === '--') {
el.addClass('divider');
} else {
if (!this.rendered) {
el.off('click');
Common.UI.ToggleManager.unregister(me);
$(this.el).html(this.template({
id : me.id,
caption : me.caption,
iconCls : me.iconCls,
style : me.style,
options : me.options
}));
if (me.menu) {
el.addClass('dropdown-submenu');
me.menu.render($(this.el));
el.mouseenter(_.bind(me.menu.alignPosition, me.menu));
// el.focusin(_.bind(me.onFocusItem, me));
el.focusout(_.bind(me.onBlurItem, me));
el.hover(
_.bind(me.onHoverItem, me),
_.bind(me.onUnHoverItem, me)
);
}
var firstChild = el.children(':first');
if (this.checkable && firstChild) {
firstChild.toggleClass('checkable', this.checkable);
firstChild.toggleClass('checked', this.checked);
if (!_.isEmpty(this.iconCls)) {
firstChild.css('background-image', 'none');
}
}
if (this.disabled)
$(this.el).toggleClass('disabled', this.disabled);
el.on('click', _.bind(this.onItemClick, this));
el.on('mousedown', _.bind(this.onItemMouseDown, this));
Common.UI.ToggleManager.register(me);
}
}
me.cmpEl = $(this.el);
me.rendered = true;
me.trigger('render:after', me);
return this;
},
setCaption: function(caption, noencoding) {
this.caption = caption;
if (this.rendered)
this.cmpEl.find('a').contents().last()[0].textContent = (noencoding) ? caption : Common.Utils.String.htmlEncode(caption);
},
setChecked: function(check, suppressEvent) {
this.toggle(check, suppressEvent);
},
isChecked: function() {
return this.checked;
},
setDisabled: function(disabled) {
this.disabled = !!disabled;
if (this.rendered)
this.cmpEl.toggleClass('disabled', this.disabled);
},
isDisabled: function() {
return this.disabled;
},
toggle: function(toggle, suppressEvent) {
var state = toggle === undefined ? !this.checked : !!toggle;
if (this.checkable) {
this.checked = state;
if (this.rendered) {
var firstChild = this.cmpEl.children(':first');
if (firstChild) {
firstChild.toggleClass('checked', this.checked);
if (!_.isEmpty(this.iconCls)) {
firstChild.css('background-image', 'none');
}
}
}
if (!suppressEvent)
this.trigger('toggle', this, state);
}
},
onItemMouseDown: function(e) {
if (e.which != 1) {
e.preventDefault();
e.stopPropagation();
return false;
}
},
onItemClick: function(e) {
if (e.which != 1 && (e.which !== undefined || this.menu))
return false;
if (!this.disabled && (this.allowDepress || !(this.checked && this.toggleGroup)) && !this.menu)
this.setChecked(!this.checked);
if (this.menu) {
if (e.target.id == this.id) {
return false;
}
if (!this.menu.isOver)
this.cmpEl.removeClass('over');
return;
}
if (!this.disabled) {
this.trigger('click', this, e);
} else {
return false;
}
},
onHoverItem: function(e) {
this._doHover(e);
// $('a', this.cmpEl).focus();
},
onUnHoverItem: function(e) {
this._doUnHover(e);
// $('a', this.cmpEl).blur();
},
// onFocusItem: function(e) {
// this._doHover(e);
// },
onBlurItem: function(e) {
this._doUnHover(e);
},
_doHover: function(e) {
var me = this;
if (me.menu && !me.disabled) {
clearTimeout(me.hideMenuTimer);
me.cmpEl.trigger('show.bs.dropdown');
me.expandMenuTimer = _.delay(function(){
me.cmpEl.addClass('over');
me.cmpEl.trigger('shown.bs.dropdown');
}, 200);
}
},
_doUnHover: function(e) {
var me = this;
if (me.cmpEl.hasClass('dropdown-submenu') && me.cmpEl.hasClass('over') &&
(e && e.relatedTarget && me.cmpEl.find(e.relatedTarget).length>0 || me.cmpEl.hasClass('focused-submenu'))) {
// When focus go from menuItem to it's submenu don't hide this submenu
me.cmpEl.removeClass('focused-submenu');
return;
}
if (me.menu && !me.disabled) {
clearTimeout(me.expandMenuTimer);
me.hideMenuTimer = _.delay(function(){
if (!me.menu.isOver)
me.cmpEl.removeClass('over');
}, 200);
}
}
});
Common.UI.MenuItemSeparator = function(options) {
options = options || {};
options.caption = '--';
return new Common.UI.MenuItem(options);
};
});