bilauncher.js

Bindows 1.01 完全版 Bindows 框架提供给你： 基于类的面向对象 API； 一个完整的窗口系统

/*
 * Bindows 1.01
 * http://www.bindows.net/
 * Copyright (c) 2003-2004 MB Technologies
 *
 * Bindows(tm) belongs to MB Technologies (Georgia, USA). All rights reserved.
 * You are not allowed to copy or modify this code. Commercial use requires
 * license.
 */

function BiXmlHttp()
{
    if (window.XMLHttpRequest)
        return new XMLHttpRequest();

    else if (window.ActiveXObject)
        return new ActiveXObject(BiXmlHttp._activeXName);
}

BiXmlHttp.create = function()
{
    return new BiXmlHttp();
} ;

function BiXmlDocument()
{
    if (document.implementation && document.implementation.createDocument)
    {
        var doc = document.implementation.createDocument("", "", null);
        doc.addEventListener("load", function(e)
        {
            this.readyState = 4;
        } , false);

        doc.readyState = 4;
        return doc;
    }

    else if (window.ActiveXObject)
        return new ActiveXObject(BiXmlDocument._activeXName);
}

BiXmlDocument.create = function()
{
    return new BiXmlDocument();
} ;

BiXmlDocument._biGetActiveXName = BiXmlHttp._biGetActiveXName = function(sType)
{
    var servers = ["MSXML2", "Microsoft", "MSXML", "MSXML3"];
    var o;

    for (var i = 0; i < servers.length; i++)
    {
        try
        {
            o = new ActiveXObject(servers[i] + "." + sType);
            return servers[i] + "." + sType;
        }
        catch (ex)
        {
        }

        ;
    }

    throw new Error("Could not find an installed XML parser");
};

if (window.ActiveXObject)
{
    BiXmlDocument._activeXName = BiXmlDocument._biGetActiveXName("DomDocument");
    BiXmlHttp._activeXName = BiXmlHttp._biGetActiveXName("XmlHttp");
}

function BiWebService()
{
    var el = document.createElement("meta");

    if (el.addBehavior)
    {
        el.addBehavior(application.getPath() + "" + BiWebService.HTC_PATH);
        document.getElementsByTagName("head")[0].appendChild(el);
        return el;
    }

    throw new Error("Not yet implemented");
}

BiWebService.HTC_PATH = "js/biwebservice.htc";
BiWebService.create = function()
{
    return new BiWebService;
} ;

if (window.XMLHttpRequest)
{
    XMLDocument.prototype.__realLoad = XMLDocument.prototype.load;
    XMLDocument.prototype.load = function(sUri)
    {
        this.readyState = 0;
        this.__realLoad(sUri);
    };

    XMLDocument.prototype.__defineSetter__("onreadystatechange", function(f)
    {
        if (this._onreadystatechange)
            this.removeEventListener("load", this._onreadystatechange, false);

        this._onreadystatechange = f;

        if (f)
            this.addEventListener("load", f, false);

        return f;
    });

    XMLDocument.prototype.__defineGetter__("onreadystatechange", function()
    {
        return this._onreadystatechange;
    } );

    XMLDocument.prototype.loadXML = function(s)
    {
        var doc2 = ( new DOMParser).parseFromString(s, "text/xml");

        while (this.hasChildNodes())
            this.removeChild(this.lastChild);

        var cs = doc2.childNodes;
        var l = cs.length;

        for (var i = 0; i < l; i++)
            this.appendChild(this.importNode(cs[i], true));
    };

    BiXmlDocument._mozHasParseError = function(oDoc)
    {
        return !oDoc.documentElement || oDoc.documentElement.localName == "parsererror" && oDoc.documentElement.getAttribute("xmlns") == "http://www.mozilla.org/newlayout/xml/parsererror.xml";
    } ;

    XMLDocument.prototype.__defineGetter__("parseError", function()
    {
        var hasError = BiXmlDocument._mozHasParseError(this);
        var res = {
            errorCode: 0, filepos: 0, line: 0, linepos: 0, reason: "", srcText: "", url: ""
        };

        if (hasError)
        {
            res.errorCode = -1;

            try
            {
                res.srcText = this.getElementsByTagName("sourcetext")[0].firstChild.data;
                res.srcText = res.srcText.replace(/\n\-\^$/, "");
            }
            catch (ex)
            {
                res.srcText = "";
            }

            try
            {
                var s = this.documentElement.firstChild.data;
                var re = /XML Parsing Error\:(.+)\nLocation\:(.+)\nLine Number(\d+)\,Column(\d+)/;
                var a = re.exec(s);
                res.reason = a[1];
                res.url = a[2];
                res.line = a[3];
                res.linepos = a[4];
            }
            catch (ex)
            {
                res.reason = "Uknown";
            }
        }

        return res;
    });

    Node.prototype.__defineGetter__("xml", function()
    {
        return ( new XMLSerializer).serializeToString(this);
    } );

    Attr.prototype.__defineGetter__("xml", function()
    {
        var nv = ( new XMLSerializer).serializeToString(this);
        return this.nodeName + "=\"" + nv.replace(/\"/g, "&quot;") + "\"";
    });

    Text.prototype.__defineGetter__("text", function()
    {
        return this.nodeValue;
    } );

    Node.prototype.__defineGetter__("text", function()
    {
        var cs = this.childNodes;
        var l = cs.length;
        var sb = new Array(l);

        for (var i = 0; i < l; i++)
            sb[i] = cs[i].text;

        return sb.join("");
    });

    Node.prototype.selectNodes = function(sExpr)
    {
        var doc = this.nodeType == 9 ? this : this.ownerDocument;
        var nsRes = doc.createNSResolver(this.nodeType == 9 ? this.documentElement : this);
        var xpRes = doc.evaluate(sExpr, this, nsRes, 5, null);
        var res = [];
        var item;

        while ((item = xpRes.iterateNext()))
            res.push(item);

        return res;
    };

    Node.prototype.selectSingleNode = function(sExpr)
    {
        var doc = this.nodeType == 9 ? this : this.ownerDocument;
        var nsRes = doc.createNSResolver(this.nodeType == 9 ? this.documentElement : this);
        var xpRes = doc.evaluate(sExpr, this, nsRes, 9, null);
        return xpRes.singleNodeValue;
    };

    Node.prototype.transformNode = function(oXsltNode)
    {
        var doc = this.nodeType == 9 ? this : this.ownerDocument;
        var processor = new XSLTProcessor();
        processor.importStylesheet(oXsltNode);
        var df = processor.transformToFragment(this, doc);
        return df.xml;
    };

    Node.prototype.transformNodeToObject = function(oXsltNode, oOutputDocument)
    {
        var doc = this.nodeType == 9 ? this : this.ownerDocument;
        var outDoc = oOutputDocument.nodeType == 9 ? oOutputDocument : oOutputDocument.ownerDocument;
        var processor = new XSLTProcessor();
        processor.importStylesheet(oXsltNode);
        var df = processor.transformToFragment(this, doc);

        while (oOutputDocument.hasChildNodes())
            oOutputDocument.removeChild(oOutputDocument.lastChild);

        var cs = df.childNodes;
        var l = cs.length;

        for (var i = 0; i < l; i++)
            oOutputDocument.appendChild(outDoc.importNode(cs[i], true));
    };
}

function biExec(sRootPath, sAdfRelPath, bUseCurrentWindow)
{
    var left, top, width, height, centered, resizable, fullScreen;
    var adfPath, adfName;

    function _toPixel(s, sAxis)
    {
        if (String(s).indexOf("%") != -1)
        {
            var n = Number(s.replace(/\%/g, ""));
            return n / 100 * (sAxis == "x" ? screen.availWidth : screen.availHeight);
        }

        return s;
    }

    function _getAttr(el, name, def, tp)
    {
        var res;

        if (!el || !el.getAttribute(name))
            res = def;

        else
            res = el.getAttribute(name);

        if (tp)
            return _toPixel(res, tp);

        return res;
    }

    sRootPath = String(sRootPath);
    sAdfRelPath = String(sAdfRelPath);

    if (sRootPath.charAt(sRootPath.length - 1) != "/")
        sRootPath = sRootPath + "/";

    var re = /([^\/]+\/)?(\w+)(\.[^\/]*)?$/;
    var ok = re.test(sAdfRelPath);

    if (ok)
        adfName = RegExp.$2;

    else
        errorMessage = "The ADF argument cannot be parsed";

    if (/(^http\:)|(^https\:)|(^file\:)|(^\/)/.test(sAdfRelPath))
    {
        adfPath = sAdfRelPath;
    }

    else
    {
        var curPath = document.location.href;
        slashIndex = curPath.lastIndexOf("/");
        curPath = curPath.substring(0, slashIndex);
        adfPath = curPath + "/" + sAdfRelPath;
    }

    var uri = sRootPath + "bimain.html?Adf=" + encodeURIComponent(adfPath) + ";AdfName=" + adfName + ";Params=" + Math.max(0, (arguments.length - 3));

    for (var i = 3; i < arguments.length; i++)
    {
        uri += ";Param" + (i - 3) + "=" + encodeURIComponent(arguments[i]);
    }

    var fs = /^file\:/.test(adfPath);
    var error = false;
    var errorMessage = "";
    var xmlHttp = new BiXmlHttp();
    xmlHttp.open("GET", adfPath, false);

    try
    {
        xmlHttp.send(null);
    }
    catch (ex)
    {
        error = true;
        errorMessage = "File not found"
    }

    if (!error)
    {
        if (fs)
        {
            var s = String(xmlHttp.responseText).replace(/<\?xml[^\?]*\?>/, "");
            xmlHttp.responseXML.loadXML(s);
        }

        else if (xmlHttp.status != 200)
        {
            error = true;
            errorMessage = xmlHttp.status + ": " + xmlHttp.statusText;
        }
    }

    if (!error)
    {
        if (xmlHttp.responseXML.parseError.errorCode != 0)
        {
            error = true;
            errorMessage = xmlHttp.responseXML.parseError.reason;
        }
    }

    if (!error)
    {
        var doc = xmlHttp.responseXML;
        var n = doc.selectSingleNode("/application/window | /Application/Window");
        left = _getAttr(n, "left", "", "x");
        right = _getAttr(n, "right", "", "x");
        top = _getAttr(n, "top", "", "y");
        bottom = _getAttr(n, "bottom", "", "y");
        width = _getAttr(n, "width", "", "x");
        height = _getAttr(n, "height", "", "y");
        centered = _getAttr(n, "centered", "false") == "true";
        resizable = _getAttr(n, "resizable", "true") != "false";
        fullScreen = _getAttr(n, "fullScreen", "false") == "true";
        var sw = screen.width;
        var sh = screen.height;

        if (right != "" && width != "")
            left = sw - width - right;

        else if (left != "" && right != "")
            width = sw - left - right;

        if (bottom != "" && height != "")
            top = sh - height - bottom;

        else if (top != "" && bottom != "")
            height = sh - top - bottom;

        if (left == "" && right == "" && centered)
            left = (sw - width) / 2;

        if (top == "" && bottom == "" && centered)
            top = (sh - height) / 2;

        if (!bUseCurrentWindow)
        {
            var w = window.open(uri, adfName, "menubar=0,location=0,status=0,toolbar=0,scrollbars=1" + (left ? ",left=" + left : "") + (top ? ",top=" + top : "") + (width ? ",width=" + (width - 8) : "") + (height ? ",height=" + (height - 32) : "") + (fullScreen ? ",fullscreen=1" : "") + (resizable ? ",resizable=1" : ""), false);
            w.focus();
        }

        else
        {
            document.location.href = uri;
            window.focus();
        }
    }

    else
        alert(errorMessage);

    return !error;
}