/**
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* jQuery EasyUI 1.5.2
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*
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* Copyright (c) 2009-2017 www.jeasyui.com. All rights reserved.
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*
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* Licensed under the freeware license: http://www.jeasyui.com/license_freeware.php
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* To use it on other terms please contact us: info@jeasyui.com
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*
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*/
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/**
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* menu - jQuery EasyUI
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*
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*/
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(function($){
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$(function(){
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$(document).unbind('.menu').bind('mousedown.menu', function(e){
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var m = $(e.target).closest('div.menu,div.combo-p');
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if (m.length){return}
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$('body>div.menu-top:visible').not('.menu-inline').menu('hide');
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hideMenu($('body>div.menu:visible').not('.menu-inline'));
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});
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});
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/**
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* initialize the target menu, the function can be invoked only once
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*/
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function init(target){
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var opts = $.data(target, 'menu').options;
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$(target).addClass('menu-top'); // the top menu
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opts.inline ? $(target).addClass('menu-inline') : $(target).appendTo('body');
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$(target).bind('_resize', function(e, force){
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if ($(this).hasClass('easyui-fluid') || force){
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$(target).menu('resize', target);
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}
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return false;
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});
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var menus = splitMenu($(target));
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for(var i=0; i<menus.length; i++){
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createMenu(target, menus[i]);
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}
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function splitMenu(menu){
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var menus = [];
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menu.addClass('menu');
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menus.push(menu);
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if (!menu.hasClass('menu-content')){
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menu.children('div').each(function(){
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var submenu = $(this).children('div');
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if (submenu.length){
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submenu.appendTo('body');
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this.submenu = submenu; // point to the sub menu
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var mm = splitMenu(submenu);
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menus = menus.concat(mm);
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}
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});
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}
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return menus;
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}
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}
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function createMenu(target, div){
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var menu = $(div).addClass('menu');
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if (!menu.data('menu')){
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menu.data('menu', {
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options: $.parser.parseOptions(menu[0], ['width','height'])
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});
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}
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if (!menu.hasClass('menu-content')){
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menu.children('div').each(function(){
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createItem(target, this);
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});
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$('<div class="menu-line"></div>').prependTo(menu);
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}
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setMenuSize(target, menu);
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if (!menu.hasClass('menu-inline')){
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menu.hide();
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}
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bindMenuEvent(target, menu);
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}
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/**
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* create the menu item
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*/
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function createItem(target, div, options){
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var item = $(div);
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var itemOpts = $.extend({}, $.parser.parseOptions(item[0], ['id','name','iconCls','href',{separator:'boolean'}]), {
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disabled: (item.attr('disabled') ? true : undefined),
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text: $.trim(item.html()),
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onclick: item[0].onclick
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}, options||{});
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itemOpts.onclick = itemOpts.onclick || itemOpts.handler || null;
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item.data('menuitem', {
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options: itemOpts
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});
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if (itemOpts.separator){
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item.addClass('menu-sep');
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}
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if (!item.hasClass('menu-sep')){
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item.addClass('menu-item');
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item.empty().append($('<div class="menu-text"></div>').html(itemOpts.text));
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if (itemOpts.iconCls){
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$('<div class="menu-icon"></div>').addClass(itemOpts.iconCls).appendTo(item);
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}
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if (itemOpts.id){
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item.attr('id', itemOpts.id);
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}
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if (itemOpts.onclick){
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if (typeof itemOpts.onclick == 'string'){
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item.attr('onclick', itemOpts.onclick);
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} else {
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item[0].onclick = eval(itemOpts.onclick);
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}
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}
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if (itemOpts.disabled){
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setDisabled(target, item[0], true);
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}
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if (item[0].submenu){
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$('<div class="menu-rightarrow"></div>').appendTo(item); // has sub menu
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}
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}
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}
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function setMenuSize(target, menu){
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var opts = $.data(target, 'menu').options;
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var style = menu.attr('style') || '';
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var isVisible = menu.is(':visible');
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menu.css({
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display: 'block',
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left: -10000,
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height: 'auto',
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overflow: 'hidden'
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});
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menu.find('.menu-item').each(function(){
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$(this)._outerHeight(opts.itemHeight);
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$(this).find('.menu-text').css({
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height: (opts.itemHeight-2)+'px',
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lineHeight: (opts.itemHeight-2)+'px'
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});
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});
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menu.removeClass('menu-noline').addClass(opts.noline?'menu-noline':'');
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var mopts = menu.data('menu').options;
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var width = mopts.width;
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var height = mopts.height;
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if (isNaN(parseInt(width))){
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width = 0;
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menu.find('div.menu-text').each(function(){
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if (width < $(this).outerWidth()){
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width = $(this).outerWidth();
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}
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});
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// width += 40;
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width = width ? width+40 : '';
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}
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var autoHeight = menu.outerHeight();
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if (isNaN(parseInt(height))){
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height = autoHeight;
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if (menu.hasClass('menu-top') && opts.alignTo){
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var at = $(opts.alignTo);
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var h1 = at.offset().top - $(document).scrollTop();
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var h2 = $(window)._outerHeight() + $(document).scrollTop() - at.offset().top - at._outerHeight();
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height = Math.min(height, Math.max(h1, h2));
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} else if (height > $(window)._outerHeight()){
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height = $(window).height();
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}
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}
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menu.attr('style', style); // restore the original style
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menu.show();
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menu._size($.extend({}, mopts, {
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width: width,
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height: height,
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minWidth: mopts.minWidth || opts.minWidth,
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maxWidth: mopts.maxWidth || opts.maxWidth
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}));
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menu.find('.easyui-fluid').triggerHandler('_resize', [true]);
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menu.css('overflow', menu.outerHeight() < autoHeight ? 'auto' : 'hidden');
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menu.children('div.menu-line')._outerHeight(autoHeight-2);
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if (!isVisible){
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menu.hide();
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}
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}
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/**
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* bind menu event
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*/
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function bindMenuEvent(target, menu){
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var state = $.data(target, 'menu');
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var opts = state.options;
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menu.unbind('.menu');
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for(var event in opts.events){
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menu.bind(event+'.menu', {target:target}, opts.events[event]);
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}
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}
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function mouseenterHandler(e){
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var target = e.data.target;
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var state = $.data(target, 'menu');
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if (state.timer){
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clearTimeout(state.timer);
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state.timer = null;
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}
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}
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function mouseleaveHandler(e){
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var target = e.data.target;
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var state = $.data(target, 'menu');
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if (state.options.hideOnUnhover){
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state.timer = setTimeout(function(){
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hideAll(target, $(target).hasClass('menu-inline'));
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}, state.options.duration);
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}
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}
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function mouseoverHandler(e){
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var target = e.data.target;
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var item = $(e.target).closest('.menu-item');
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if (item.length){
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item.siblings().each(function(){
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if (this.submenu){
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hideMenu(this.submenu);
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}
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$(this).removeClass('menu-active');
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});
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// show this menu
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item.addClass('menu-active');
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if (item.hasClass('menu-item-disabled')){
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item.addClass('menu-active-disabled');
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return;
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}
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var submenu = item[0].submenu;
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if (submenu){
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$(target).menu('show', {
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menu: submenu,
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parent: item
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});
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}
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}
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}
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function mouseoutHandler(e){
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var item = $(e.target).closest('.menu-item');
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if (item.length){
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item.removeClass('menu-active menu-active-disabled');
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var submenu = item[0].submenu;
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if (submenu){
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if (e.pageX>=parseInt(submenu.css('left'))){
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item.addClass('menu-active');
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} else {
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hideMenu(submenu);
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}
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} else {
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item.removeClass('menu-active');
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}
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}
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}
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function clickHandler(e){
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var target = e.data.target;
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var item = $(e.target).closest('.menu-item');
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if (item.length){
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var opts = $(target).data('menu').options;
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var itemOpts = item.data('menuitem').options;
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if (itemOpts.disabled){return;}
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if (!item[0].submenu){
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hideAll(target, opts.inline);
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if (itemOpts.href){
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location.href = itemOpts.href;
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}
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}
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item.trigger('mouseenter');
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opts.onClick.call(target, $(target).menu('getItem', item[0]));
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}
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}
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/**
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* hide top menu and it's all sub menus
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*/
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function hideAll(target, inline){
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var state = $.data(target, 'menu');
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if (state){
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if ($(target).is(':visible')){
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hideMenu($(target));
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if (inline){
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$(target).show();
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} else {
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state.options.onHide.call(target);
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}
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}
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}
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return false;
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}
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/**
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* show the menu, the 'param' object has one or more properties:
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* left: the left position to display
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* top: the top position to display
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* menu: the menu to display, if not defined, the 'target menu' is used
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* parent: the parent menu item to align to
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* alignTo: the element object to align to
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*/
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function showMenu(target, param){
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param = param || {};
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var left,top;
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var opts = $.data(target, 'menu').options;
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var menu = $(param.menu || target);
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$(target).menu('resize', menu[0]);
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if (menu.hasClass('menu-top')){
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$.extend(opts, param);
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left = opts.left;
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top = opts.top;
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if (opts.alignTo){
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var at = $(opts.alignTo);
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left = at.offset().left;
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top = at.offset().top + at._outerHeight();
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if (opts.align == 'right'){
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left += at.outerWidth() - menu.outerWidth();
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}
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}
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if (left + menu.outerWidth() > $(window)._outerWidth() + $(document)._scrollLeft()){
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left = $(window)._outerWidth() + $(document).scrollLeft() - menu.outerWidth() - 5;
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}
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if (left < 0){left = 0;}
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top = _fixTop(top, opts.alignTo);
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} else {
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var parent = param.parent; // the parent menu item
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left = parent.offset().left + parent.outerWidth() - 2;
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if (left + menu.outerWidth() + 5 > $(window)._outerWidth() + $(document).scrollLeft()){
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left = parent.offset().left - menu.outerWidth() + 2;
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}
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top = _fixTop(parent.offset().top - 3);
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}
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function _fixTop(top, alignTo){
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if (top + menu.outerHeight() > $(window)._outerHeight() + $(document).scrollTop()){
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if (alignTo){
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top = $(alignTo).offset().top - menu._outerHeight();
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} else {
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top = $(window)._outerHeight() + $(document).scrollTop() - menu.outerHeight();
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}
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}
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if (top < 0){top = 0;}
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return top;
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}
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menu.css(opts.position.call(target, menu[0], left, top));
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menu.show(0, function(){
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if (!menu[0].shadow){
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menu[0].shadow = $('<div class="menu-shadow"></div>').insertAfter(menu);
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}
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menu[0].shadow.css({
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display:(menu.hasClass('menu-inline')?'none':'block'),
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zIndex:$.fn.menu.defaults.zIndex++,
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left:menu.css('left'),
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top:menu.css('top'),
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width:menu.outerWidth(),
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height:menu.outerHeight()
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});
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menu.css('z-index', $.fn.menu.defaults.zIndex++);
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if (menu.hasClass('menu-top')){
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opts.onShow.call(target);
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}
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});
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}
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function hideMenu(menu){
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if (menu && menu.length){
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hideit(menu);
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menu.find('div.menu-item').each(function(){
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if (this.submenu){
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hideMenu(this.submenu);
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}
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$(this).removeClass('menu-active');
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});
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}
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function hideit(m){
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m.stop(true,true);
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if (m[0].shadow){
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m[0].shadow.hide();
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}
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m.hide();
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}
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}
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function findItem(target, text){
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var result = null;
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var tmp = $('<div></div>');
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function find(menu){
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menu.children('div.menu-item').each(function(){
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var item = $(target).menu('getItem', this);
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var s = tmp.empty().html(item.text).text();
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if (text == $.trim(s)) {
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result = item;
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} else if (this.submenu && !result){
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find(this.submenu);
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}
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});
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}
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find($(target));
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tmp.remove();
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return result;
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}
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function setDisabled(target, itemEl, disabled){
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var t = $(itemEl);
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if (t.hasClass('menu-item')){
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var opts = t.data('menuitem').options;
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opts.disabled = disabled;
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if (disabled){
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t.addClass('menu-item-disabled');
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t[0].onclick = null;
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} else {
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t.removeClass('menu-item-disabled');
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t[0].onclick = opts.onclick;
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}
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}
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}
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function appendItem(target, param){
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var opts = $.data(target, 'menu').options;
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var menu = $(target);
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if (param.parent){
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if (!param.parent.submenu){
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var submenu = $('<div></div>').appendTo('body');
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param.parent.submenu = submenu;
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$('<div class="menu-rightarrow"></div>').appendTo(param.parent);
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createMenu(target, submenu);
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}
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menu = param.parent.submenu;
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}
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var div = $('<div></div>').appendTo(menu);
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createItem(target, div, param);
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}
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function removeItem(target, itemEl){
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function removeit(el){
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if (el.submenu){
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el.submenu.children('div.menu-item').each(function(){
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removeit(this);
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});
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var shadow = el.submenu[0].shadow;
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if (shadow) shadow.remove();
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el.submenu.remove();
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}
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$(el).remove();
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}
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removeit(itemEl);
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}
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function setVisible(target, itemEl, visible){
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var menu = $(itemEl).parent();
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if (visible){
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$(itemEl).show();
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} else {
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$(itemEl).hide();
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}
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setMenuSize(target, menu);
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}
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function destroyMenu(target){
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$(target).children('div.menu-item').each(function(){
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removeItem(target, this);
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});
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if (target.shadow) target.shadow.remove();
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$(target).remove();
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}
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$.fn.menu = function(options, param){
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if (typeof options == 'string'){
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return $.fn.menu.methods[options](this, param);
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}
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options = options || {};
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return this.each(function(){
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var state = $.data(this, 'menu');
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if (state){
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$.extend(state.options, options);
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} else {
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state = $.data(this, 'menu', {
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options: $.extend({}, $.fn.menu.defaults, $.fn.menu.parseOptions(this), options)
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});
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init(this);
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}
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$(this).css({
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left: state.options.left,
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top: state.options.top
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});
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});
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};
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$.fn.menu.methods = {
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options: function(jq){
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return $.data(jq[0], 'menu').options;
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},
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show: function(jq, pos){
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return jq.each(function(){
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showMenu(this, pos);
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});
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},
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hide: function(jq){
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return jq.each(function(){
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hideAll(this);
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});
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},
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destroy: function(jq){
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return jq.each(function(){
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destroyMenu(this);
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});
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},
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/**
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* set the menu item text
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* param: {
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* target: DOM object, indicate the menu item
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* text: string, the new text
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* }
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*/
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setText: function(jq, param){
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return jq.each(function(){
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var item = $(param.target).data('menuitem').options;
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item.text = param.text;
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$(param.target).children('div.menu-text').html(param.text);
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});
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},
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/**
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* set the menu icon class
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* param: {
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* target: DOM object, indicate the menu item
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* iconCls: the menu item icon class
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* }
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*/
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setIcon: function(jq, param){
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return jq.each(function(){
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var item = $(param.target).data('menuitem').options;
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item.iconCls = param.iconCls;
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$(param.target).children('div.menu-icon').remove();
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if (param.iconCls){
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$('<div class="menu-icon"></div>').addClass(param.iconCls).appendTo(param.target);
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}
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});
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},
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/**
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* get the menu item data that contains the following property:
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* {
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* target: DOM object, the menu item
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* id: the menu id
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* text: the menu item text
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* iconCls: the icon class
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* href: a remote address to redirect to
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* onclick: a function to be called when the item is clicked
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* }
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*/
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getItem: function(jq, itemEl){
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var item = $(itemEl).data('menuitem').options;
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return $.extend({}, item, {
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target: $(itemEl)[0]
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});
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},
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findItem: function(jq, text){
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return findItem(jq[0], text);
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},
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/**
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* append menu item, the param contains following properties:
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* parent,id,text,iconCls,href,onclick
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* when parent property is assigned, append menu item to it
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*/
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appendItem: function(jq, param){
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return jq.each(function(){
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appendItem(this, param);
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});
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},
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removeItem: function(jq, itemEl){
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return jq.each(function(){
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removeItem(this, itemEl);
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});
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},
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enableItem: function(jq, itemEl){
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return jq.each(function(){
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setDisabled(this, itemEl, false);
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});
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},
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disableItem: function(jq, itemEl){
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return jq.each(function(){
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setDisabled(this, itemEl, true);
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});
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},
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showItem: function(jq, itemEl){
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return jq.each(function(){
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setVisible(this, itemEl, true);
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});
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},
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hideItem: function(jq, itemEl){
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return jq.each(function(){
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setVisible(this, itemEl, false);
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});
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},
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resize: function(jq, menuEl){
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return jq.each(function(){
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setMenuSize(this, menuEl ? $(menuEl) : $(this));
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});
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}
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};
|
|
$.fn.menu.parseOptions = function(target){
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return $.extend({}, $.parser.parseOptions(target, [
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{minWidth:'number',itemHeight:'number',duration:'number',hideOnUnhover:'boolean'},
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{fit:'boolean',inline:'boolean',noline:'boolean'}
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]));
|
};
|
|
$.fn.menu.defaults = {
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zIndex:110000,
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left: 0,
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top: 0,
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alignTo: null,
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align: 'left',
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minWidth: 120,
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itemHeight: 22,
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duration: 100, // Defines duration time in milliseconds to hide when the mouse leaves the menu.
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hideOnUnhover: true, // Automatically hides the menu when mouse exits it
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inline: false, // true to stay inside its parent, false to go on top of all elements
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fit: false,
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noline: false,
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events: {
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mouseenter: mouseenterHandler,
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mouseleave: mouseleaveHandler,
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mouseover: mouseoverHandler,
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mouseout: mouseoutHandler,
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click: clickHandler
|
},
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position: function(target, left, top){
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return {left:left,top:top}
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},
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onShow: function(){},
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onHide: function(){},
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onClick: function(item){}
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};
|
})(jQuery);
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