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 DIV+CSS佈局教程網 >> 網頁腳本 >> JavaScript入門知識 >> jQuery入門知識 >> JQuery特效代碼 >> 為jquery.ui.dialog 增加“在當前鼠標位置打開”的功能
為jquery.ui.dialog 增加“在當前鼠標位置打開”的功能
編輯:JQuery特效代碼     
代碼如下:
$("#dialog").dialog({
bgiframe: true,
autoOpen: false,
position: [PosX, PosY], //alert 出來為:" , "(不含雙引號),或者報錯,不知什麼原因。
height: 300,
modal: true,
buttons: {
'創建新賬號': 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_])+$/i, "Username may consist of a-z, 0-9, underscores, begin with a letter.");
// From jquery.validate.js (by joern), contributed by Scott Gonzalez: http://projects.scottsplayground.com/email_address_validation/
bValid = bValid && checkRegexp(email, /^((([a-z]|\d|[!#\$%&'\*\+\-\/=\?\^_`{\|}~]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])+(\.([a-z]|\d|[!#\$%&'\*\+\-\/=\?\^_`{\|}~]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])+)*)|((\x22)((((\x20|\x09)*(\x0d\x0a))?(\x20|\x09)+)?(([\x01-\x08\x0b\x0c\x0e-\x1f\x7f]|\x21|[\x23-\x5b]|[\x5d-\x7e]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(\\([\x01-\x09\x0b\x0c\x0d-\x7f]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF]))))*(((\x20|\x09)*(\x0d\x0a))?(\x20|\x09)+)?(\x22)))@((([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])*([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])))\.)+(([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])*([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])))\.?$/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');
}
});

後來參考"wind"的為jquery.ui.dialog 增加“自動記住關閉時的位置”的功能。,在他的建議下,完全照葫蘆畫瓢寫了個jquery.ui.dialog的重載方法,實現在鼠標當前位置打開dialog

代碼如下
代碼如下:
///////////////////////////////////
//指定 jquery.ui.dialog打開時的位置
///////////////////////////////////
(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,都顯示 "[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() { //同時兼容ie和ff的寫法
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);

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