// ----------------------------------------------------------
// *****************  风声 JS 窗口 V1.00  *****************
// 作者：风声
// 版本：1.00 Preview
// 网站：http://www.fonshen.com
// 邮件：webmaster@fonshen.com
// 版权：版权全体,源代码公开,各种用途均可免费使用
// **********************************************************
// ----------------------------------------------------------
var _window = new _Window("_window", "VISTA");

function _Window(codeName, className, width, height)
{
    this.CodeName = codeName;
    this.ClassName = className;
    this.Version = "Ant JS Window V1.00.07.08.29 Preview"
    this.Width = width || 400;
    this.Height = height || 300;
    this.ActTimer = 10;
    this.Clocks = new Array();
    this.zIndex = 0;
    this.wIndex = 0;
    this.Copy = null;
    this.onmousemove = document.onmousemove;
    this.onmouseup = document.onmouseup;
    this.onselectstart = document.onselectstart;
}

_Window.prototype.GetAttribute = function(source, name)
{
    var reg = new RegExp("(^|,|\\s)"+ name +"\\s*=\\s*([^,]*)(\\s|,|$)", "i");
    if (reg.test(source)) return RegExp.$2;
    return "";
}
_Window.prototype.GetMaxNumber = function()
{
    var num = 0;
    for(var i=0; i<arguments.length; i++) if(arguments[i] > num) num = arguments[i];
    return num;
}

_Window.prototype.Open = function(body, title, features)
{
    var className = this.GetAttribute(features, "class") || this.ClassName;
    if(!className)return null;
    var width  = parseInt(this.GetAttribute(features, "width")) || this.Width;
    var height = parseInt(this.GetAttribute(features, "height")) || this.Height;
    var left   = this.GetAttribute(features, "left") || parseInt(Math.random() * 500);
    var top    = this.GetAttribute(features, "top") || parseInt(Math.random() * 300);
    var resize = this.GetAttribute(features, "resize").toLowerCase() || "resize";
    var move   = this.GetAttribute(features, "move").toLowerCase() || "move";

    var NewWin = document.createElement("div");
    NewWin.setAttribute("id", "_W_" + (++this.wIndex));
    NewWin.className = className;
    NewWin.style.position = "absolute";
    NewWin.style.zIndex = ++this.zIndex;
    NewWin.style.left = left + "px";
    NewWin.style.top = top + "px";
    document.body.appendChild(NewWin);

    var styles = new Array("LEFT_TOP","TOP","RIGHT_TOP","RIGHT","RIGHT_BOTTOM","BOTTOM","LEFT_BOTTOM","LEFT","CENTER","CLOSE");
    var sizes = new Array();
    for(var i=0;i<10;i++)
    {
        var obj = document.createElement("div");
        obj.className = styles[i];
        obj.style.position = "absolute";
        NewWin.appendChild(obj);
        sizes[i*2] = obj.offsetWidth;
        sizes[i*2+1] = obj.offsetHeight;
        if(i > 7 || move == "no") eval("obj.onmousedown = function(e){ " + this.CodeName + ".Show(this.parentNode); };");
        else eval("obj.onmousedown = function(e){ " + this.CodeName + ".PreMove(this.parentNode, e ? e : window.event, move); };");
    }

    NewWin.childNodes[8].style.width = width + "px";
    NewWin.childNodes[8].setAttribute("NowWidth", width);

    height = this.Body(NewWin, body, height);
    NewWin.childNodes[8].style.height = height + "px";
    NewWin.childNodes[8].setAttribute("NowHeight", height);

    NewWin.childNodes[8].style.left = (sizes[14] + NewWin.childNodes[8].offsetLeft) + "px";
    NewWin.childNodes[8].style.top = (sizes[3] + NewWin.childNodes[8].offsetTop) + "px";

    NewWin.style.width = (width + sizes[6] + sizes[14]) + "px";
    NewWin.style.height = (height + sizes[3] + sizes[11]) + "px";
    NewWin.setAttribute("MinWidth", this.GetMaxNumber(sizes[0] + sizes[4], sizes[6] + sizes[14] + sizes[18], sizes[8] + sizes[12]) + 20);
    NewWin.setAttribute("MinHeight", this.GetMaxNumber(sizes[1] + sizes[13], sizes[3] + sizes[11], sizes[5] + sizes[9]) + 2);

    NewWin.childNodes[1].style.width = (width + sizes[6] + sizes[14] - sizes[0] - sizes[4]) + "px";
    NewWin.childNodes[3].style.height = (height + sizes[3] + sizes[11] - sizes[5] - sizes[9]) + "px";
    NewWin.childNodes[5].style.width = (width + sizes[6] + sizes[14] - sizes[8] - sizes[12]) + "px";
    NewWin.childNodes[7].style.height = (height + sizes[3] + sizes[11] - sizes[13] - sizes[1]) + "px";
    NewWin.childNodes[0].style.left = "0px";
    NewWin.childNodes[0].style.top = "0px";    
    NewWin.childNodes[1].style.left = sizes[0] + "px";
    NewWin.childNodes[1].style.top = "0px";
    NewWin.childNodes[2].style.right = "0px";
    NewWin.childNodes[2].style.top = "0px";
    NewWin.childNodes[3].style.right = "0px";
    NewWin.childNodes[3].style.top = sizes[5] + "px";
    NewWin.childNodes[4].style.right = "0px";
    NewWin.childNodes[4].style.bottom = "0px";
    NewWin.childNodes[5].style.left = sizes[12] + "px";
    NewWin.childNodes[5].style.bottom = "0px";
    NewWin.childNodes[6].style.left = "0px";
    NewWin.childNodes[6].style.bottom = "0px";
    NewWin.childNodes[7].style.left = "0px";
    NewWin.childNodes[7].style.top = sizes[1] + "px";

    if(resize != "no")
    {
        this.AppendResize(NewWin, "se-resize", "width:15px;height:15px;right:" + (sizes[6] - 13) + "px;bottom:" + (sizes[11] - 13) + "px;", resize, 0);
        this.AppendResize(NewWin, "sw-resize", "width:15px;height:15px;left:" + (sizes[14] - 13) + "px;bottom:" + (sizes[11] - 13) + "px;", resize, 1);
        if(resize != "resize-y")
        {
            this.AppendResize(NewWin, "w-resize", "width:5px;height:" + (height - 2) + "px;left:" + (sizes[14] - 5) + "px;bottom:" + (sizes[11] + 2) + "px;", "resize-x", 1);
            this.AppendResize(NewWin, "e-resize", "width:5px;height:" + (height - 2) + "px;right:" + (sizes[6] - 5) + "px;bottom:" + (sizes[11] + 2) + "px;", "resize-x", 0);
        }
        if(resize != "resize-x")
            this.AppendResize(NewWin, "s-resize", "width:" + (width - 4) + "px;height:5px;left:" + (sizes[14] + 2) + "px;bottom:" + (sizes[11] - 5) + "px;", "resize-y", 0);
    }

    this.Title(NewWin, title);
    eval("NewWin.childNodes[9].onclick = function(e){ " + this.CodeName + ".Close(this.parentNode); };");
    return(NewWin);
}
_Window.prototype.Title = function(o, title)
{
    o.childNodes[1].innerHTML = "<div class=\"TITLE\">" + title + "</div>";
}
_Window.prototype.Body = function(o, body, height)
{
    if(body.slice(0, 5) == "[url]")
    {
        var str = (height < 0) ? "onload=\"" + this.CodeName + ".ResizeBy(this.parentNode.parentNode, 0, frames[frames.length-1].document.documentElement.scrollHeight)\"" : "";
        o.childNodes[8].innerHTML = "<iframe " + str + " onfocus=\"" + this.CodeName + ".Show(this.parentNode.parentNode)\" src=\"" + body.slice(5) + "\" frameBorder='0' marginHeight='0' marginWidth='0' width='100%' height='100%'></iframe>";
        return((height < 0) ? 0 : height);
    }
    else
    {
        o.childNodes[8].innerHTML = "<div class=\"BODY\">" + body + "</div>";
        return((height < 0) ? o.childNodes[8].firstChild.offsetHeight + 1 : height);
    }        
}

// ---- 添加 resize 区 ---- //
_Window.prototype.AppendResize = function(o, cursor, shape, resize, origin)
{
    var obj = document.createElement("DIV");
    o.appendChild(obj);
    obj.style.cssText = "position:absolute;cursor:" + cursor + ";" + shape;
    eval("obj.onmousedown = function(e){ " + this.CodeName + ".PreResize(this.parentNode, e ? e : window.event, \"" + cursor + "\", \"" + resize + "\", " + origin + "); };");
}

// ---- 复制 shadow 副本 ---- //
_Window.prototype.Duplicate = function(o)
{
    this.Copy = document.createElement("DIV");
    document.body.appendChild(this.Copy);
    this.Copy.style.cssText = "position:absolute;left:" + (o.offsetLeft - 2) + "px;top:" + (o.offsetTop-2) + "px;width:" + o.offsetWidth + "px;height:" + o.offsetHeight + "px;border:2px dotted #000000;";
    this.Copy.style.zIndex = this.zIndex + 1;
}

// ---- 注销事件 ---- //
_Window.prototype.DetachEvent = function(o, e)
{
    document.body.style.cursor = "default";
	document.onmousemove = this.onmousemove;
	document.onmouseup = this.onmouseup;
	document.onselectstart = this.onselectstart;
    if(o.releaseCapture) o.releaseCapture();
}

// ---- 注册事件 ---- //
_Window.prototype.AttachEvent = function(o, e)
{
    if(e.preventDefault) e.preventDefault();
    else
    {
        document.onselectstart = function() { return false; };
        if(o.setCapture) o.setCapture();
    }
}

// ---- 显示窗口，调到最上层 ---- //
_Window.prototype.Show = function(o)
{
    if(o.style.zIndex < this.zIndex) o.style.zIndex = ++this.zIndex;
}

// ---- 关闭窗口 ---- //
_Window.prototype.Close = function(o)
{
    var oid = o.id;
    if (typeof(this.Clocks["M" + oid]) != "undefined") clearTimeout(this.Clocks["M" + oid]);
    if (typeof(this.Clocks["R" + oid]) != "undefined") clearTimeout(this.Clocks["R" + oid]);
    document.body.removeChild(o);
}

// ---- 准备调整窗口大小 ---- //
_Window.prototype.PreResize = function(o, e, cursor, t, z)
{
    if (typeof(this.Clocks["R" + o.id]) != "undefined") clearTimeout(this.Clocks["R" + o.id]);
    this.Show(o);
    this.Duplicate(o);
    var x, y = e.clientY - this.Copy.offsetHeight;;
    if(z)
    {
        o.style.right = (document.documentElement.scrollWidth - o.offsetWidth - o.offsetLeft) + "px";
        o.style.left = null;
        this.Copy.style.right = (document.documentElement.scrollWidth - this.Copy.offsetWidth - this.Copy.offsetLeft) + "px";
        this.Copy.style.left = null;
        x = e.clientX + this.Copy.offsetWidth;
    }
    else
    {
        o.style.left = o.offsetLeft + "px";
        this.Copy.style.left = this.Copy.offsetLeft + "px";
        x = e.clientX - this.Copy.offsetWidth;
    }
    document.body.style.cursor = cursor;
    eval("document.onmousemove = function(e) { " + this.CodeName + ".Resize(o, e ? e : window.event, x, y, t, z); };");
    eval("document.onmouseup = function(e) { " + this.CodeName + ".Resized(o, e ? e : window.event, x, y, t, z); };");
    this.AttachEvent(o, e);
}

// ---- 拖拽调整窗口（shadow 副本）大小 ---- //
_Window.prototype.Resize = function(o, e, x, y, t, z)
{
    if(t != "resize-y")
    {
        var min_w = parseInt(o.getAttribute("MinWidth"));
        var w = z ? x - e.clientX : e.clientX - x;
        if(w >= min_w) this.Copy.style.width = w + "px";
    }
    if(t != "resize-x")
    {
        var min_h = parseInt(o.getAttribute("MinHeight"));
        var h = e.clientY - y;
        if(h >= min_h) this.Copy.style.height = h + "px";
    }
}

// ---- 完成拖拽调整窗口大小 ---- //
_Window.prototype.Resized = function(o, e, x, y, t, z)
{
    this.DetachEvent(o, e);
    var dx = 0, dy = 0;
    if(t != "resize-y")
    {
        var min_w = parseInt(o.getAttribute("MinWidth"));
        var w = z ? x - e.clientX - 4 : e.clientX - x -4;
        w = (w > min_w) ? w : min_w;
        dx = w - o.offsetWidth;
    }
    if(t != "resize-x")
    {
        var min_h = parseInt(o.getAttribute("MinHeight"));
        var h = (e.clientY - y - 4 > min_h) ? (e.clientY - y - 4) : min_h;
        dy = h - o.offsetHeight;
    }
    if(this.ActTimer > 0) this.ActResizeBy(o.id, dx, dy, t);
    else this.ResizeBy(o, dx, dy, t);
    document.body.removeChild(this.Copy);
    this.Copy = null;
}

// ---- 调整窗口大小 ---- //
_Window.prototype.ResizeBy = function(o, dx, dy, t)
{
    if(dx)
    {        
        o.style.width = (o.offsetWidth + dx) + "px";
        o.childNodes[1].style.width = (o.childNodes[1].offsetWidth + dx) + "px";
        o.childNodes[5].style.width = (o.childNodes[5].offsetWidth + dx) + "px";
        if(o.childNodes[14]) o.childNodes[14].style.width = (o.childNodes[14].offsetWidth + dx) + "px";
        var width  = parseInt(o.childNodes[8].getAttribute("NowWidth")) + dx;
        o.childNodes[8].setAttribute("NowWidth", width);
        o.childNodes[8].style.width = width + "px";
    }
    if(dy)
    {    
        o.style.height = (o.offsetHeight + dy) + "px";
        o.childNodes[3].style.height = (o.childNodes[3].offsetHeight + dy) + "px";
        o.childNodes[7].style.height = (o.childNodes[7].offsetHeight + dy) + "px";
        if(o.childNodes[13])
        {
            o.childNodes[12].style.height = (o.childNodes[12].offsetHeight + dy) + "px";
            o.childNodes[13].style.height = (o.childNodes[13].offsetHeight + dy) + "px";
        }
        var height = parseInt(o.childNodes[8].getAttribute("NowHeight")) + dy;
        o.childNodes[8].setAttribute("NowHeight", height);
        o.childNodes[8].style.height = height + "px"; 
    }
}

// ---- 动画调整窗口大小 ---- //
_Window.prototype.ActResizeBy = function(oid, dx, dy, t)
{
    if(dx || dy)
    {
        var x = dx/10; x = (x > 0) ? Math.ceil(x) : Math.floor(x);
        var y = dy/10; y = (y > 0) ? Math.ceil(y) : Math.floor(y);
        var o = document.getElementById(oid);
        this.ResizeBy(o, x, y, t);
        dx -= x; dy -= y;
        this.Clocks["R" + oid] = window.setTimeout(this.CodeName + ".ActResizeBy(\"" + oid + "\"," + dx + "," + dy + ",\"" + t + "\")", this.ActTimer);
    }
}

// ---- 准备移动窗口 ---- //
_Window.prototype.PreMove = function(o, e, t)
{ 
    if (typeof(this.Clocks["M" + o.id]) != "undefined") clearTimeout(this.Clocks["M" + o.id]);
    this.Show(o);
    this.Duplicate(o);
    var x = e.clientX - this.Copy.offsetLeft;
    var y = e.clientY - this.Copy.offsetTop;
    document.body.style.cursor = "move";
    eval("document.onmousemove = function(e) { " + this.CodeName + ".Move(o, e ? e : window.event, x, y, t); };");
    eval("document.onmouseup = function(e) { " + this.CodeName + ".Moved(o, e ? e : window.event, x, y, t); };");
    this.AttachEvent(o, e);
}

// ---- 拖拽移动窗口（shadow 副本） ---- //
_Window.prototype.Move = function(o, e, x, y, t)
{
    if(t != "move-y") this.Copy.style.left = (e.clientX - x) + "px";
    if(t != "move-x") this.Copy.style.top = (e.clientY - y) + "px";
}

// ---- 完成拖拽移动窗口 ---- //
_Window.prototype.Moved = function(o, e, x, y, t)
{
    this.DetachEvent(o, e);
    var tx = (t == "move-y") ? null : (e.clientX - x + 2);
    var ty = (t == "move-x") ? null : (e.clientY - y + 2);
    if(this.ActTimer > 0) this.ActMoveTo(o.id, tx, ty, o.offsetLeft, o.offsetTop);
    else this.MoveTo(o, tx, ty);
    document.body.removeChild(this.Copy);
    this.Copy = null;
}

// ---- 移动窗口到 ---- //
_Window.prototype.MoveTo = function(o, tx, ty)
{
    if(tx != null) o.style.left = tx + "px";
    if(ty != null) o.style.top = ty + "px";
}

// ---- 动画移动窗口到 ---- //
_Window.prototype.ActMoveTo = function(oid, tx, ty, ix, iy)
{
    if((tx == null || tx == ix) && (ty == null || ty == iy)) return;
    if(tx != null)
    {
        var dx = (tx - ix)/10; dx = (dx > 0) ? Math.ceil(dx) : Math.floor(dx);
        ix += dx;
    }
    if(ty != null)
    {
        var dy = (ty - iy)/10; dy = (dy > 0) ? Math.ceil(dy) : Math.floor(dy);
        iy += dy;
    }
    var o = document.getElementById(oid);
    this.MoveTo(o, ix, iy);
    this.Clocks["M" + oid] = window.setTimeout(this.CodeName + ".ActMoveTo(\"" + oid + "\"," + tx + "," + ty + "," + ix + "," + iy + ")", this.ActTimer);
}