//
// Jquery.jwindow 0.01.1
// 窗口插件
// 需要 jquery.interface.js 与 jquery.js 的支持才可以用
// By Wathon Team.
// WebSite: http://www.wathon.com
// ChangeLog: http://www.wathon.com/opensource/js/jwindow/20070902
//

/*************** Example *******************
[HTML]
<button id="button1">显示窗口</div>
<div class="window " id="panelWindow">
	<div class="title">Title<span class="buttons"><span class="close"></span></span></div>
	<div class="content">
		  Message Content
	</div>
	<div class="status"><span class="resize"></span></div>
</div>
</div>


[CSS]
.window { 
	padding:0px;
	border:1px solid #75A0CA;
	background:#FFF;
	position:absolute;
	z-index:20;	
	width: 400px;
	top: 17%;
    left: 30%;
	display:none;
}

* html .window {
     position: absolute;
     top: expression((document.documentElement.scrollTop || document.body.scrollTop) + Math.round(17 * (document.documentElement.offsetHeight || document.body.clientHeight) / 100) + 'px');
}

.window .title { background:#ACC6DF; padding:5px;}
.window .title .buttons { float:right;margin-top:-16px; _margin-top:-20px; _margin-right:3px;}
* + html .window .title .buttons {margin-top:-18px; margin-right:3px;}
.window .title .buttons .min { cursor:pointer; display:block; float:left; background:#F5714E url("../images/window_min.gif") top left no-repeat; border:1px solid #A7190F; height:10px; width:10px; padding:1px;margin-right:3px;_padding-bottom:0px;}
.window .title .buttons .close {cursor:pointer; display:block; float:left; background:#F5714E url("../images/window_close.gif") top left no-repeat; border:1px solid #A7190F; height:10px; width:10px; padding:1px;_padding-bottom:0px;}
.window .title .buttons .hover { background-color:#EF947D;}
.window .title .status .resize { color: }
.window .content { padding:8px;overflow:hidden;}

.transferer
{
	border: 1px solid #EEE;
	background-color: #F9F9F9;
	opacity:0.7;
	filter:alpha(opacity=30);
	z-index:99999;
}


[Javascript]
$(document).ready(function(){
	$("#button1").click(function(){
		$("#panelWindow").jWindowOpen({
			modal:true,
			center:true,
			drag:"#window .title",
			close:"#window .title .close",
			closeHoverClass:"hover",
			transfererFrom:"#button1",
			transfererClass:"transferer"
		});
	});	
})
*************** Example *******************/

jQuery.fn.jWindowOpen = function(s){
	defaults = {
		modal: false,
		center: false,
		drag: "",
		close: "",
		closeHoverClass: "",
		transfererFrom:"",
		transfererClass:""
	}

	jQuery.extend(defaults,s);
	
	jWindow.init();
	
	//居中
	if(defaults.center){
		var frm = (this);
		jWindow.moveCenter(frm);
		jQuery(document).scroll(function(){
			jWindow.moveCenter(frm);
		});
		jQuery(document).resize(function(){
			alert("");
			jWindow.moveCenter(frm);
		});
	}
	
	//模式窗口
	if(defaults.modal){
		jWindow.showOverlayer();
	}
	
	//是否可移动
	if(defaults.drag){
		jWindow.setMoveable(this,defaults.drag);	
	}
	
	//关闭按钮
	if(defaults.close != ""){
		
		var frm = this;
		jQuery(defaults.close).bind("click",function(){			
			jWindow.close(frm);
		});
		
		if(defaults.closeHoverClass != ""){
			jQuery(defaults.close).bind("mouseover",function(){			
				jQuery(this).addClass(defaults.closeHoverClass);
			});
			
			jQuery(defaults.close).bind("mouseout",function(){			
				jQuery(this).removeClass(defaults.closeHoverClass);
			});
		}
	}
	
	//显示窗口
	//是否有状态
	if(defaults.transfererFrom != "" && defaults.transfererClass != ""){
		var frm = jQuery(this);
		jQuery(defaults.transfererFrom).TransferTo({to:this,className:defaults.transfererClass, duration: 400,complete:function(){
				frm.show();
			}
		});	
		
	}else{	
		jQuery(this).show();	
	}	
};

jQuery.fn.jWindowClose = function(){
	jWindow.close(this);
}

var jWindow = {
	arrayPageSize:new Array(0,0,0,0),
	arrayPageScroll:new Array(0,0,0,0),
		
	//初始化，要使用必须先运行此方法
	//init()
	//Results none
	//
	init:function(){
		arrayPageScroll = this.getPageScroll();
		arrayPageSize = this.getPageSize();
	},
	
	//显示modal层
	//showOverlayer()
	//Results none
	//
	showOverlayer:function(){
		this.removeOverlayer();
		var layer = "<div id=\"_______overlayer\" style=\"position:absolute; top:0px; left:0px;-moz-opacity:0.7; opacity:0.7;filter:alpha(opacity=30);background:#000;\"></div>";
		jQuery("body").append(layer);
		var overlayer = jQuery("#_______overlayer");
		overlayer.css("top","0px");
		overlayer.css("left","0px");
		overlayer.css("width",self.innerHeight ? "100%" :  arrayPageSize[0]+"px");
		overlayer.css("height",(self.innerHeight ? arrayPageSize[1] : arrayPageSize[1] + 30)+ "px");
	},
	
	//关闭
	//close(窗口的jquery Dom)
	//Results none
	//
	close:function(frm){
		frm.hide();
		frm.DraggableDestroy();
		this.removeOverlayer();	
	},
	
	//清除Modal层
	//removeOverlayer()
	//Returns none
	//
	removeOverlayer:function(){		
		var overlayer = jQuery("#_______overlayer");
		if(overlayer != null)
		{
			overlayer.remove();
		}
	},

	//移动窗口到
	//moveCenter(窗口的jquery Dom)
	//Returns none
	//
	moveCenter:function(frm){
		arrayPageScroll = this.getPageScroll();
		arrayPageSize = this.getPageSize();
		var frmLeft = (arrayPageSize[2] - frm.width()) / 2;
		var frmTop = arrayPageScroll[1] + ((arrayPageSize[3]  - frm.height())/ 2);
	    frm.css("left",frmLeft + "px");
	    frm.css("top",frmTop + 'px');
	},
	
	//设置为可移动的
	//
	//setMoveable(窗口的jquery Dom,标题的对象名称)
	//Returns none
	//
	setMoveable:function(frm,title){
		frm.Draggable({
			zIndex: 	1000,
			handle:	title,
			opacity: 	0.7
		});
	},
	

	//取得页面大小属性
	//
	// getPageScroll()
	// Returns array with x,y page scroll values.
	// Core code from - quirksmode.org
	//
	getPageScroll:function(){

		var yScroll;

		if (self.pageYOffset) {
			yScroll = self.pageYOffset;
		} else if (document.documentElement && document.documentElement.scrollTop){	 // Explorer 6 Strict
			yScroll = document.documentElement.scrollTop;
		} else if (document.body) {// all other Explorers
			yScroll = document.body.scrollTop;
		}

		arrayPageScroll = new Array('',yScroll) 
		return arrayPageScroll;
	},



	//
	// getPageSize()
	// Returns array with page width, height and window width, height
	// Core code from - quirksmode.org
	// Edit for Firefox by pHaez
	//
	getPageSize:function(){
		
		var xScroll, yScroll;
		
		if (window.innerHeight && window.scrollMaxY) {	
			xScroll = document.body.scrollWidth;
			yScroll = window.innerHeight + window.scrollMaxY;
		} else if (document.body.scrollHeight > document.body.offsetHeight){ // all but Explorer Mac
			xScroll = document.body.scrollWidth;
			yScroll = document.body.scrollHeight;
		} else { // Explorer Mac...would also work in Explorer 6 Strict, Mozilla and Safari
			xScroll = document.body.offsetWidth;
			yScroll = document.body.offsetHeight;
		}
		
		var windowWidth, windowHeight;
		if (self.innerHeight) {	// all except Explorer
			windowWidth = self.innerWidth;
			windowHeight = self.innerHeight;
		} else if (document.documentElement && document.documentElement.clientHeight) { // Explorer 6 Strict Mode
			windowWidth = document.documentElement.clientWidth;
			windowHeight = document.documentElement.clientHeight;
		} else if (document.body) { // other Explorers
			windowWidth = document.body.clientWidth;
			windowHeight = document.body.clientHeight;
		}	
		
		// for small pages with total height less then height of the viewport
		if(yScroll < windowHeight){
			pageHeight = windowHeight;
		} else { 
			pageHeight = yScroll;
		}

		// for small pages with total width less then width of the viewport
		if(xScroll < windowWidth){	
			pageWidth = windowWidth;
		} else {
			pageWidth = xScroll;
		}
		arrayPageSize = new Array(pageWidth,pageHeight,windowWidth,windowHeight) 
		return arrayPageSize;
	}
}