hostenv_browser.js

struts hibernet spring

/*
	Copyright (c) 2004-2006, The Dojo Foundation
	All Rights Reserved.

	Licensed under the Academic Free License version 2.1 or above OR the
	modified BSD license. For more information on Dojo licensing, see:

		http://dojotoolkit.org/community/licensing.shtml
*/

if (typeof window != 'undefined') {

// attempt to figure out the path to dojo if it isn't set in the config
(function() {
	// before we get any further with the config options, try to pick them out
	// of the URL. Most of this code is from NW
	if(djConfig.allowQueryConfig){
		var baseUrl = document.location.toString(); // FIXME: use location.query instead?
		var params = baseUrl.split("?", 2);
		if(params.length > 1){
			var paramStr = params[1];
			var pairs = paramStr.split("&");
			for(var x in pairs){
				var sp = pairs[x].split("=");
				// FIXME: is this eval dangerous?
				if((sp[0].length > 9)&&(sp[0].substr(0, 9) == "djConfig.")){
					var opt = sp[0].substr(9);
					try{
						djConfig[opt]=eval(sp[1]);
					}catch(e){
						djConfig[opt]=sp[1];
					}
				}
			}
		}
	}

	if(((djConfig["baseScriptUri"] == "")||(djConfig["baseRelativePath"] == "")) &&(document && document.getElementsByTagName)){
		var scripts = document.getElementsByTagName("script");
		var rePkg = /(__package__|dojo|bootstrap1)\.js([\?\.]|$)/i;
		for(var i = 0; i < scripts.length; i++) {
			var src = scripts[i].getAttribute("src");
			if(!src) { continue; }
			var m = src.match(rePkg);
			if(m) {
				var root = src.substring(0, m.index);
				if(src.indexOf("bootstrap1") > -1) { root += "../"; }
				if(!this["djConfig"]) { djConfig = {}; }
				if(djConfig["baseScriptUri"] == "") { djConfig["baseScriptUri"] = root; }
				if(djConfig["baseRelativePath"] == "") { djConfig["baseRelativePath"] = root; }
				break;
			}
		}
	}

	// fill in the rendering support information in dojo.render.*
	var dr = dojo.render;
	var drh = dojo.render.html;
	var drs = dojo.render.svg;
	var dua = (drh.UA = navigator.userAgent);
	var dav = (drh.AV = navigator.appVersion);
	var t = true;
	var f = false;
	drh.capable = t;
	drh.support.builtin = t;

	dr.ver = parseFloat(drh.AV);
	dr.os.mac = dav.indexOf("Macintosh") >= 0;
	dr.os.win = dav.indexOf("Windows") >= 0;
	// could also be Solaris or something, but it's the same browser
	dr.os.linux = dav.indexOf("X11") >= 0;

	drh.opera = dua.indexOf("Opera") >= 0;
	drh.khtml = (dav.indexOf("Konqueror") >= 0)||(dav.indexOf("Safari") >= 0);
	drh.safari = dav.indexOf("Safari") >= 0;
	var geckoPos = dua.indexOf("Gecko");
	drh.mozilla = drh.moz = (geckoPos >= 0)&&(!drh.khtml);
	if (drh.mozilla) {
		// gecko version is YYYYMMDD
		drh.geckoVersion = dua.substring(geckoPos + 6, geckoPos + 14);
	}
	drh.ie = (document.all)&&(!drh.opera);
	drh.ie50 = drh.ie && dav.indexOf("MSIE 5.0")>=0;
	drh.ie55 = drh.ie && dav.indexOf("MSIE 5.5")>=0;
	drh.ie60 = drh.ie && dav.indexOf("MSIE 6.0")>=0;
	drh.ie70 = drh.ie && dav.indexOf("MSIE 7.0")>=0;

	var cm = document["compatMode"];
	drh.quirks = (cm == "BackCompat")||(cm == "QuirksMode")||drh.ie55||drh.ie50;

	// TODO: is the HTML LANG attribute relevant?
	dojo.locale = dojo.locale || (drh.ie ? navigator.userLanguage : navigator.language).toLowerCase();

	dr.vml.capable=drh.ie;
	drs.capable = f;
	drs.support.plugin = f;
	drs.support.builtin = f;
	var tdoc = window["document"];
	var tdi = tdoc["implementation"];

	if((tdi)&&(tdi["hasFeature"])&&(tdi.hasFeature("org.w3c.dom.svg", "1.0"))){
		drs.capable = t;
		drs.support.builtin = t;
		drs.support.plugin = f;
	}
	// webkits after 420 support SVG natively. The test string is "AppleWebKit/420+"
	if(drh.safari){
		var tmp = dua.split("AppleWebKit/")[1];
		var ver = parseFloat(tmp.split(" ")[0]);
		if(ver >= 420){
			drs.capable = t;
			drs.support.builtin = t;
			drs.support.plugin = f;
		}
	}
})();

dojo.hostenv.startPackage("dojo.hostenv");

dojo.render.name = dojo.hostenv.name_ = 'browser';
dojo.hostenv.searchIds = [];

// These are in order of decreasing likelihood; this will change in time.
dojo.hostenv._XMLHTTP_PROGIDS = ['Msxml2.XMLHTTP', 'Microsoft.XMLHTTP', 'Msxml2.XMLHTTP.4.0'];

dojo.hostenv.getXmlhttpObject = function(){
    var http = null;
	var last_e = null;
	try{ http = new XMLHttpRequest(); }catch(e){}
    if(!http){
		for(var i=0; i<3; ++i){
			var progid = dojo.hostenv._XMLHTTP_PROGIDS[i];
			try{
				http = new ActiveXObject(progid);
			}catch(e){
				last_e = e;
			}

			if(http){
				dojo.hostenv._XMLHTTP_PROGIDS = [progid];  // so faster next time
				break;
			}
		}

		/*if(http && !http.toString) {
			http.toString = function() { "[object XMLHttpRequest]"; }
		}*/
	}

	if(!http){
		return dojo.raise("XMLHTTP not available", last_e);
	}

	return http;
}

/**
 * Read the contents of the specified uri and return those contents.
 *
 * @param uri A relative or absolute uri. If absolute, it still must be in the
 * same "domain" as we are.
 *
 * @param async_cb If not specified, load synchronously. If specified, load
 * asynchronously, and use async_cb as the progress handler which takes the
 * xmlhttp object as its argument. If async_cb, this function returns null.
 *
 * @param fail_ok Default false. If fail_ok and !async_cb and loading fails,
 * return null instead of throwing.
 */
dojo.hostenv._blockAsync = false;
dojo.hostenv.getText = function(uri, async_cb, fail_ok){
	// need to block async callbacks from snatching this thread as the result
	// of an async callback might call another sync XHR, this hangs khtml forever
	// hostenv._blockAsync must also be checked in BrowserIO's watchInFlight()
	// NOTE: must be declared before scope switches ie. this.getXmlhttpObject()
	if(!async_cb){ this._blockAsync = true; }

	var http = this.getXmlhttpObject();

	function isDocumentOk(http){
		var stat = http["status"];
		// allow a 304 use cache, needed in konq (is this compliant with the http spec?)
		return Boolean((!stat)||((200 <= stat)&&(300 > stat))||(stat==304));
	}

	if(async_cb){
		var _this = this, timer = null, gbl = dojo.global();
		var xhr = dojo.evalObjPath("dojo.io.XMLHTTPTransport");
		http.onreadystatechange = function(){
			if(timer){ gbl.clearTimeout(timer); timer = null; }
			if(_this._blockAsync || (xhr && xhr._blockAsync)){
				timer = gbl.setTimeout(function () { http.onreadystatechange.apply(this); }, 10);
			}else{
				if(4==http.readyState){
					if(isDocumentOk(http)){
						// dojo.debug("LOADED URI: "+uri);
						async_cb(http.responseText);
					}
				}
			}
		}
	}

	http.open('GET', uri, async_cb ? true : false);
	try{
		http.send(null);
		if(async_cb){
			return null;
		}
		if(!isDocumentOk(http)){
			var err = Error("Unable to load "+uri+" status:"+ http.status);
			err.status = http.status;
			err.responseText = http.responseText;
			throw err;
		}
	}catch(e){
		this._blockAsync = false;
		if((fail_ok)&&(!async_cb)){
			return null;
		}else{
			throw e;
		}
	}

	this._blockAsync = false;
	return http.responseText;
}

/*
 * It turns out that if we check *right now*, as this script file is being loaded,
 * then the last script element in the window DOM is ourselves.
 * That is because any subsequent script elements haven't shown up in the document
 * object yet.
 */
 /*
function dj_last_script_src() {
    var scripts = window.document.getElementsByTagName('script');
    if(scripts.length < 1){
		dojo.raise("No script elements in window.document, so can't figure out my script src");
	}
    var script = scripts[scripts.length - 1];
    var src = script.src;
    if(!src){
		dojo.raise("Last script element (out of " + scripts.length + ") has no src");
	}
    return src;
}

if(!dojo.hostenv["library_script_uri_"]){
	dojo.hostenv.library_script_uri_ = dj_last_script_src();
}
*/

dojo.hostenv.defaultDebugContainerId = 'dojoDebug';
dojo.hostenv._println_buffer = [];
dojo.hostenv._println_safe = false;
dojo.hostenv.println = function (line){
	if(!dojo.hostenv._println_safe){
		dojo.hostenv._println_buffer.push(line);
	}else{
		try {
			var console = document.getElementById(djConfig.debugContainerId ?
				djConfig.debugContainerId : dojo.hostenv.defaultDebugContainerId);
			if(!console) { console = dojo.body(); }