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我使用的一些功能，我發現在這裏：http://www.trendskitchens.co.nz/jquery/contextmenu/jQuery的請留下調用右鍵上下文菜單
它讓我開始做一個很好的上下文菜單。我的目的是讓這個上下文菜單在右邊「流行」或左鍵單擊。但是我可能並不總想要綁定左鍵單擊，所以我需要始終能夠右鍵單擊，並且當我需要時，還可以通過一些代碼來完成左鍵單擊操作。
首先，來測試你需要的jQuery的演示中，我使用的1.8.2
這裏是插件的源：
/*
* ContextMenu - jQuery plugin for right-click context menus
*
* Author: Chris Domigan
* Contributors: Dan G. Switzer, II
* Parts of this plugin are inspired by Joern Zaefferer's Tooltip plugin
*
* Dual licensed under the MIT and GPL licenses:
* http://www.opensource.org/licenses/mit-license.php
* http://www.gnu.org/licenses/gpl.html
*
* Version: r2
* Date: 16 July 2007
*
* For documentation visit http://www.trendskitchens.co.nz/jquery/contextmenu/
*
*/
(function($) {
var menu, shadow, trigger, content, hash, currentTarget;
var defaults = {
menuStyle: {
listStyle: 'none',
padding: '1px',
margin: '0px',
backgroundColor: '#fff',
border: '1px solid #999',
width: '100px'
},
itemStyle: {
margin: '0px',
color: '#000',
display: 'block',
cursor: 'default',
padding: '3px',
border: '1px solid #fff',
backgroundColor: 'transparent'
},
itemHoverStyle: {
border: '1px solid #0a246a',
backgroundColor: '#b6bdd2'
},
eventPosX: 'pageX',
eventPosY: 'pageY',
shadow : true,
onContextMenu: null,
onShowMenu: null
};
$.fn.contextMenu = function(id, options) {
if (!menu) { // Create singleton menu
menu = $('<div id="jqContextMenu"></div>')
.hide()
.css({position:'absolute', zIndex:'500'})
.appendTo('body')
.bind('click', function(e) {
e.stopPropagation();
});
}
if (!shadow) {
shadow = $('<div></div>')
.css({backgroundColor:'#000',position:'absolute',opacity:0.2,zIndex:499})
.appendTo('body')
.hide();
}
hash = hash || [];
hash.push({
id : id,
menuStyle: $.extend({}, defaults.menuStyle, options.menuStyle || {}),
itemStyle: $.extend({}, defaults.itemStyle, options.itemStyle || {}),
itemHoverStyle: $.extend({}, defaults.itemHoverStyle, options.itemHoverStyle || {}),
bindings: options.bindings || {},
shadow: options.shadow || options.shadow === false ? options.shadow : defaults.shadow,
onContextMenu: options.onContextMenu || defaults.onContextMenu,
onShowMenu: options.onShowMenu || defaults.onShowMenu,
eventPosX: options.eventPosX || defaults.eventPosX,
eventPosY: options.eventPosY || defaults.eventPosY
});
var index = hash.length - 1;
$(this).bind('contextmenu', function(e) {
// Check if onContextMenu() defined
var bShowContext = (!!hash[index].onContextMenu) ? hash[index].onContextMenu(e) : true;
if (bShowContext) display(index, this, e, options);
return false;
});
return this;
};
function display(index, trigger, e, options) {
var cur = hash[index];
content = $('#'+cur.id).find('ul:first').clone(true);
content.css(cur.menuStyle).find('li').css(cur.itemStyle).hover(
function() {
$(this).css(cur.itemHoverStyle);
},
function(){
$(this).css(cur.itemStyle);
}
).find('img').css({verticalAlign:'middle',paddingRight:'2px'});
// Send the content to the menu
menu.html(content);
// if there's an onShowMenu, run it now -- must run after content has been added
// if you try to alter the content variable before the menu.html(), IE6 has issues
// updating the content
if (!!cur.onShowMenu) menu = cur.onShowMenu(e, menu);
$.each(cur.bindings, function(id, func) {
$('#'+id, menu).bind('click', function(e) {
hide();
func(trigger, currentTarget);
});
});
menu.css({'left':e[cur.eventPosX],'top':e[cur.eventPosY]}).show();
if (cur.shadow) shadow.css({width:menu.width(),height:menu.height(),left:e.pageX+2,top:e.pageY+2}).show();
$(document).one('click', hide);
}
function hide() {
menu.hide();
shadow.hide();
}
// Apply defaults
$.contextMenu = {
defaults : function(userDefaults) {
$.each(userDefaults, function(i, val) {
if (typeof val == 'object' && defaults[i]) {
$.extend(defaults[i], val);
}
else defaults[i] = val;
});
}
};
})(jQuery);
$(function() {
$('div.contextMenu').hide();
});
我的頁面的源代碼：
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html xmlns="http://www.w3.org/1999/xhtml"><!-- InstanceBegin template="/Templates/Workflow.dwt.php" codeOutsideHTMLIsLocked="false" -->
<head>
<script type="text/javascript" src="../jQuery/jquery-1.8.2.min.js"></script>
<script type="text/javascript" src="../../Common/clientscript.js"></script>
<script type="text/javascript" src="jquery.actions.js"></script>
<script>
$(document).ready(function() {
/// Replace the intrinsic Context Menu with MINE
$('span.infoholder').contextMenu('myMenu',{
onContextMenu: function(e)
{
iDataID = $(e.target).attr('id').replace("menu_","");
iGroupID = $(e.target).attr('name');
}
});
/// Get the Left Click to behave as the right click...
$("span.infoholder").click(function(event) {
alert("I am in " + event.which);
// on right click
if (event.which == "1")
{
// prevent left click from being interpreted by the browser:
$("#"+$(event.target).attr("id")).trigger({
type: 'click',
which: 3
});
}
});
});
</script>
</head>
<body>
<div class="contextMenu" id="myMenu">
<li>Test 1</li>
<li>Test 2</li>
</div>
<span class="infoholder" id="menu_34675" name="1" style="border:solid 1px grey; padding: 2px 5px 2px 5px; background-color:#d9f7ff;">Actions </span><br/><br/>
<span class="infoholder" id="menu_34735" name="1" style="border:solid 1px grey; padding: 2px 5px 2px 5px; background-color:#d9f7ff;">Actions </span><br/><br/>
</body>
</html>
這裏有一點遺漏，但是這裏的源代碼給了我們一個很好的示例來開始解決這個問題。這又是「如何讓左擊來調用這個插件的自定義上下文菜單」