/**
	Kailash Nadh,	http://kailashnadh.name
	August 2009
	Smooth popup dialog for jQuery

	License:	GNU Public License: http://www.fsf.org/copyleft/gpl.html
	
	v1.2.1	September 5 2009
**/
var jqDialog = new function () {
	this.strOk = "确定";
	this.strYes = "是";
	this.strNo = "否";
	this.strCancel = "取消";
	this.strX = "X";
	this.closeTimer = null;
	this.width = 0;
	this.height = 0;
	this.divBoxName = "jqDialog_box";
	this.divBox = null;
	this.divContentName = "jqDialog_content";
	this.divContent = null;
	this.divOptionsName = "jqDialog_options";
	this.divOptions = null;
	this.btCloseName = "jqDialog_close";
	this.btClose = null;
	this.btYesName = "jqDialog_yes";
	this.btYes = null;
	this.btNoName = "jqDialog_no";
	this.btNo = null;
	this.btOkName = "jqDialog_ok";
	this.btOk = null;
	this.btCancel = "jqDialog_ok";
	this.btCancel = null;
	this.inputName = "jqDialog_input";
	this.input = null;
	this.confirm = function (message, callback_yes, callback_no) {
		if(this.btYes==null || this.btNo==null || this.btOk==null || this.btCancel==null){
			jqDialog.init();
		}
		this.createDialog(message);
		this.btYes.show();
		this.btNo.show();
		this.btYes.focus();
		this.btOk.hide();
		this.btCancel.hide();
		this.btYes.unbind().click(function () {
			jqDialog.close();
			if (callback_yes) {
				callback_yes();
			}
		});
		this.btNo.unbind().click(function () {
			jqDialog.close();
			if (callback_no) {
				callback_no();
			}
		});
	};
	this.prompt = function (message, content, callback_ok, callback_cancel) {
		this.createDialog($("<p>").append(message).append($("<p>").append($(this.input).val(content))));
		if(this.btYes==null || this.btNo==null || this.btOk==null || this.btCancel==null){
			jqDialog.init();
		}
		this.btYes.hide();
		this.btNo.hide();
		this.btOk.show();
		this.input.focus();
		this.btCancel.show();
		this.btOk.unbind().click(function () {
			jqDialog.close();
			if (callback_ok) {
				callback_ok(jqDialog.input.val());
			}
		});
		this.btCancel.unbind().click(function () {
			jqDialog.close();
			if (callback_cancel) {
				callback_cancel();
			}
		});
	};
	this.alert = function (content, callback_ok) {
		
		if(this.btYes==null || this.btNo==null || this.btOk==null || this.btCancel==null || this.divOptions==null){
			jqDialog.init();
		}
		this.createDialog(content);
		this.btCancel.hide();
		this.btYes.hide();
		this.btNo.hide();
		this.btOk.show();
		this.btOk.focus();
		this.btOk.unbind().click(function () {
			jqDialog.close();
			if (callback_ok) {
				callback_ok();
			}
		});
	};
	this.content = function (content, close_seconds) {
		this.createDialog(content);
		if(this.btYes==null || this.btNo==null || this.btOk==null || this.btCancel==null){
			jqDialog.init();
		}
		this.divOptions.hide();
	};
	this.notify = function (content, close_seconds) {
		this.content(content);
		if(this.btYes==null || this.btNo==null || this.btOk==null || this.btCancel==null){
			jqDialog.init();
		}
		this.btClose.focus();
		if (close_seconds) {
			this.closeTimer = setTimeout(function () {
				jqDialog.close();
			}, close_seconds * 1000);
		}
	};
	this.createDialog = function (content) {
		clearTimeout(this.closeTimer);
		this.divOptions.show();
		this.divContent.html(content);
		this.divBox.fadeIn("fast");
		this.maintainPosition();
	};
	this.close = function () {
		this.divBox.fadeOut("fast");
		this.clearPosition();
	};
	this.clearPosition = function () {
		$(window).scroll().remove();
	};
	this.makeCenter = function () {
		$(jqDialog.divBox).css({top:((($(window).height() / 2) - (($(jqDialog.divBox).height()) / 2))) + ($(document).scrollTop()) + "px", left:((($(window).width() / 2) - (($(jqDialog.divBox).width()) / 2))) + ($(document).scrollLeft()) + "px"});
	};
	this.maintainPosition = function () {
		$(window).scroll(function () {
			jqDialog.makeCenter();
		});
	};
	this.init = function () {
		this.divBox = $("<div>").attr({id:this.divBoxName});
		this.divContent = $("<div>").attr({id:this.divContentName});
		this.divOptions = $("<div>").attr({id:this.divOptionsName});
		this.btYes = $("<button>").attr({id:this.btYesName}).append(document.createTextNode(this.strYes));
		this.btNo = $("<button>").attr({id:this.btNoName}).append(document.createTextNode(this.strNo));
		this.btOk = $("<button>").attr({id:this.btOkName}).append(document.createTextNode(this.strOk));
		this.btCancel = $("<button>").attr({id:this.btCancelName}).append(document.createTextNode(this.strCancel));
		this.input = $("<input>").attr({id:this.inputName});
		this.btClose = $("<button>").attr({id:this.btCloseName}).append(document.createTextNode(this.strX)).click(function () {
			jqDialog.close();
		});
		this.divBox.append(this.btClose).append(this.divContent).append(this.divOptions.append(this.btYes).append(this.btNo).append(this.btOk).append(this.btCancel));
		this.divBox.hide();
		this.divBox.append("<iframe  name ='jpframe' frameBorder = '0' style=' position: absolute; visibility: inherit; top: 0px; left: -2px; width: 400px; height: 150px; z-index: -1;  filter: Chroma(Color=white);' />");
		$("body").append(this.divBox);
		this.makeCenter();
	};
};
$(window).load(function () {
	jqDialog.init();
});