/*
* 修改自:http://www.trendskitchens.co.nz/jquery/contextmenu/
*
*/
/*输出Css*/
document.write('<link rel="stylesheet" type="text\/css" id="MenuFieldCss" href="<%=WebResource("XControl.MenuField.MenuFieldCss.css") %>" \/>');
(function ($) {
var menu, shadow, trigger, content, hash, currentTarget, bgIframe;
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'
},
itemHoverCssClass: 'menuitemhover',
eventPosX: 'pageX',
eventPosY: 'pageY',
shadow: true,
onContextMenu: null,
onShowMenu: null,
onBinding: null,
triggerEvent: "contextmenu", //"click","onmouseover"...
menuOffset: "mouse", //"under"
autoFill: false
};
$.fn.contextMenu = function (target, 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();
}
if (!bgIframe) {
bgIframe = $('<iframe id="iframe_contexmenuBg" width="100%" frameborder="0" style="position:absolute; top:0px; z-index:-1; border-style:none;"></iframe>');
}
hash = hash || [];
options = options || {};
hash.push({
id: target,
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,
onBinding: options.onBinding || defaults.onBinding,
eventPosX: options.eventPosX || defaults.eventPosX,
eventPosY: options.eventPosY || defaults.eventPosY,
triggerEvent: options.triggerEvent || defaults.triggerEvent,
menuOffset: options.menuOffset || defaults.menuOffset,
itemHoverCssClass: options.itemHoverCssClass || defaults.itemHoverCssClass
});
var index = hash.length - 1;
return $(this).each(function () {
if (hash[index].triggerEvent.toLowerCase() == "click") {
$(this).click(function (e) {
if (menu.TriggerElement) { menu.TriggerElement.removeClass("contextMenuEleOn"); }
menu.TriggerElement = $(this);
menu.TriggerElement.addClass("contextMenuEleOn");
if (!hash[index].isShow) {
var bShowContext = (!!hash[index].onContextMenu) ? hash[index].onContextMenu(e) : true;
if (bShowContext) {
display(index, this, e, options);
for (var i = 0; i < hash.length; i++) { hash[i].isShow = false; }
hash[index].isShow = true;
}
} else { hide(); hash[index].isShow = false; }
return false;
});
} else {
$(this).bind(hash[index].triggerEvent, 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;
});
}
if (hash[index].onBinding) { hash[index].onBinding(this); }
});
};
function display(index, trigger, e, options) {
var cur = hash[index];
//content = $('#'+cur.id).find('ul:first').clone(true);
content = $(cur.id).find('ul:first').clone(true); //修改为使用选择器而不只是ID
content.find("ul.submenu").css(cur.menuStyle).addClass(content.attr("class"));
content.css(cur.menuStyle).find('li:not(:empty)').css(cur.itemStyle).addClass(cur.itemCssClass).hover(
function () {
$(this).css(cur.itemHoverStyle).addClass(cur.itemHoverCssClass);
showSubmenu(this);
},
function () {
$(this).css(cur.itemStyle).removeClass(cur.itemHoverCssClass);
$(this).children("ul.submenu").hide();
}
).find('img').css({ verticalAlign: 'middle', paddingRight: '2px' });
// Send the content to the menu
menu.html(content);
menu.append(bgIframe.height(menu.height()));
// 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);
});
});
var left, top;
switch (hash[index].menuOffset) {
case "mouse": //根据鼠标位置定位
left = e[cur.eventPosX];
top = e[cur.eventPosY];
break;
case "under": //显示在触发元素的下方
left = $(trigger).offset().left;
top = $(trigger).offset().top + $(trigger).height() + Number($(trigger).css("padding-bottom").replace("px", "")) * 2 + 2;
break;
default:
left = e[cur.eventPosX];
top = e[cur.eventPosY];
}
menu.css({ 'left': left, 'top': top }).show();
menu.width(menu.find("ul:first").width());
if (cur.shadow) shadow.css({ width: menu.width(), height: menu.height(), left: menu.offset().left + 2, top: menu.offset().top + 2 }).show();
$(document).one('click', hide);
}
function showSubmenu(parent) {
var p = $(parent);
submenu = p.children("ul.submenu");
if (submenu.length > 0) {
submenu.show();
//offset=p.offset();
submenu.css({ top: parent.offsetTop, left: p.width() });
}
}
function hide() {
menu.hide();
shadow.hide();
menu.TriggerElement.removeClass("contextMenuEleOn");
for (var i = 0; i < hash.length; i++) { hash[i].isShow = false; }
}
// 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);
jQuery(function () {
jQuery('div.contextMenu').hide();
});
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