为jquery.ui.dialog 增加“在当前鼠标位置打开”的功能_Javascript教程-查字典教程网
为jquery.ui.dialog 增加“在当前鼠标位置打开”的功能
为jquery.ui.dialog 增加“在当前鼠标位置打开”的功能
发布时间:2016-12-30 来源:查字典编辑
摘要:复制代码代码如下:$("#dialog").dialog({bgiframe:true,autoOpen:false,position:[P...

复制代码 代码如下:

$("#dialog").dialog({

bgiframe: true,

autoOpen: false,

position: [PosX, PosY], //alert 出来为:" , "(不含双引号),或者报错,不知什么原因。

height: 300,

modal: true,

buttons: {

'创建新账号': function() {

var bValid = true;

allFields.removeClass('ui-state-error');

bValid = bValid && checkLength(name, "username", 3, 16);

bValid = bValid && checkLength(email, "email", 6, 80);

bValid = bValid && checkLength(password, "password", 5, 16);

bValid = bValid && checkRegexp(name, /^[a-z]([0-9a-z_])+$/i, "Username may consist of a-z, 0-9, underscores, begin with a letter.");

// From jquery.validate.js (by joern), contributed by Scott Gonzalez: http://projects.scottsplayground.com/email_address_validation/

bValid = bValid && checkRegexp(email, /^((([a-z]|d|[!#$%&'*+-/=?^_`{|}~]|[u00A0-uD7FFuF900-uFDCFuFDF0-uFFEF])+(.([a-z]|d|[!#$%&'*+-/=?^_`{|}~]|[u00A0-uD7FFuF900-uFDCFuFDF0-uFFEF])+)*)|((x22)((((x20|x09)*(x0dx0a))?(x20|x09)+)?(([x01-x08x0bx0cx0e-x1fx7f]|x21|[x23-x5b]|[x5d-x7e]|[u00A0-uD7FFuF900-uFDCFuFDF0-uFFEF])|(([x01-x09x0bx0cx0d-x7f]|[u00A0-uD7FFuF900-uFDCFuFDF0-uFFEF]))))*(((x20|x09)*(x0dx0a))?(x20|x09)+)?(x22)))@((([a-z]|d|[u00A0-uD7FFuF900-uFDCFuFDF0-uFFEF])|(([a-z]|d|[u00A0-uD7FFuF900-uFDCFuFDF0-uFFEF])([a-z]|d|-|.|_|~|[u00A0-uD7FFuF900-uFDCFuFDF0-uFFEF])*([a-z]|d|[u00A0-uD7FFuF900-uFDCFuFDF0-uFFEF]))).)+(([a-z]|[u00A0-uD7FFuF900-uFDCFuFDF0-uFFEF])|(([a-z]|[u00A0-uD7FFuF900-uFDCFuFDF0-uFFEF])([a-z]|d|-|.|_|~|[u00A0-uD7FFuF900-uFDCFuFDF0-uFFEF])*([a-z]|[u00A0-uD7FFuF900-uFDCFuFDF0-uFFEF]))).?$/i, "eg. ui@jquery.com");

bValid = bValid && checkRegexp(password, /^([0-9a-zA-Z])+$/, "Password field only allow : a-z 0-9");

if (bValid) {

$('#users tbody').append('<tr>' +

'<td>' + name.val() + '</td>' +

'<td>' + email.val() + '</td>' +

'<td>' + password.val() + '</td>' +

'</tr>');

$(this).dialog('close');

};

},

取消: function() {

$(this).dialog('close');

}

},

close: function() {

allFields.val('').removeClass('ui-state-error');

}

});

后来参考"wind"的为jquery.ui.dialog 增加“自动记住关闭时的位置”的功能。,在他的建议下,完全照葫芦画瓢写了个jquery.ui.dialog的重载方法,实现在鼠标当前位置打开dialog

代码如下

复制代码 代码如下:

///////////////////////////////////

//指定 jquery.ui.dialog打开时的位置

///////////////////////////////////

(function($) {

var originOpen = $.ui.dialog.prototype.open

$.ui.dialog.prototype.open = function() {

//var event= window.event || arguments.callee.caller.arguments[0];

//var event = event || window.event;

var event = getEvent();

//alert(event) // ie 和 ff下,都显示 "[object]"

var PosX = 0;

var PosY = 0;

if (event.pageX || event.pageY) {

PosX = event.pageX;

PosY = event.pageY;

}

else {

PosX = event.clientX + document.body.scrollLeft - document.body.clientLeft;

PosY = event.clientY + document.body.scrollTop - document.body.clientTop;

};

this.options.position = [PosX, PosY];

//alert(this.options.position);

originOpen.apply(this, arguments);

};

function getEvent() { //同时兼容ie和ff的写法

if (document.all) return window.event;

func = getEvent.caller;

while (func != null) {

var arg0 = func.arguments[0];

if (arg0) {

if ((arg0.constructor == Event || arg0.constructor == MouseEvent)

|| (typeof (arg0) == "object" && arg0.preventDefault && arg0.stopPropagation)) {

return arg0;

}

}

func = func.caller;

}

return null;

}

})(jQuery);

再次感谢"wind"。感谢 jww测试。(已兼容ie7,8,firefox3.5,chrome4)

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