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1318 alexandre_ 1 
/*
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	Copyright (c) 2004-2006, The Dojo Foundation
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	All Rights Reserved.
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	Licensed under the Academic Free License version 2.1 or above OR the
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	modified BSD license. For more information on Dojo licensing, see:
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		http://dojotoolkit.org/community/licensing.shtml
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*/
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dojo.provide("dojo.xml.XslTransform");
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dojo.xml.XslTransform = function (xsltUri) {
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	dojo.debug("XslTransform is supported by Internet Explorer and Mozilla, with limited support in Opera 9 (no document function support).");
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	var IS_IE = dojo.render.html.ie;
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	var ACTIVEX_DOMS = ["Msxml2.DOMDocument.5.0", "Msxml2.DOMDocument.4.0", "Msxml2.DOMDocument.3.0", "MSXML2.DOMDocument", "MSXML.DOMDocument", "Microsoft.XMLDOM"];
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	var ACTIVEX_FT_DOMS = ["Msxml2.FreeThreadedDOMDocument.5.0", "MSXML2.FreeThreadedDOMDocument.4.0", "MSXML2.FreeThreadedDOMDocument.3.0"];
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	var ACTIVEX_TEMPLATES = ["Msxml2.XSLTemplate.5.0", "Msxml2.XSLTemplate.4.0", "MSXML2.XSLTemplate.3.0"];
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	function getActiveXImpl(activeXArray) {
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		for (var i = 0; i < activeXArray.length; i++) {
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			try {
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				var testObj = new ActiveXObject(activeXArray[i]);
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				if (testObj) {
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					return activeXArray[i];
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				}
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			}
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			catch (e) {
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			}
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		}
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		dojo.raise("Could not find an ActiveX implementation in:\n\n " + activeXArray);
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	}
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	if (xsltUri == null || xsltUri == undefined) {
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		dojo.raise("You must pass the URI String for the XSL file to be used!");
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		return false;
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	}
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	var xsltDocument = null;
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	var xsltProcessor = null;
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	if (IS_IE) {
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		xsltDocument = new ActiveXObject(getActiveXImpl(ACTIVEX_FT_DOMS));
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		xsltDocument.async = false;
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	} else {
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		xsltProcessor = new XSLTProcessor();
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		xsltDocument = document.implementation.createDocument("", "", null);
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		xsltDocument.addEventListener("load", onXslLoad, false);
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	}
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	xsltDocument.load(xsltUri);
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	if (IS_IE) {
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		var xslt = new ActiveXObject(getActiveXImpl(ACTIVEX_TEMPLATES));
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		xslt.stylesheet = xsltDocument;
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		xsltProcessor = xslt.createProcessor();
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	}
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	function onXslLoad() {
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		xsltProcessor.importStylesheet(xsltDocument);
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	}
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	function getResultDom(xmlDoc, params) {
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		if (IS_IE) {
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			addIeParams(params);
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			var result = getIeResultDom(xmlDoc);
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			removeIeParams(params);
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			return result;
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		} else {
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			return getMozillaResultDom(xmlDoc, params);
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		}
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	}
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	function addIeParams(params) {
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		if (!params) {
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			return;
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		}
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		for (var i = 0; i < params.length; i++) {
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			xsltProcessor.addParameter(params[i][0], params[i][1]);
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		}
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	}
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	function removeIeParams(params) {
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		if (!params) {
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			return;
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		}
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		for (var i = 0; i < params.length; i++) {
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			xsltProcessor.addParameter(params[i][0], "");
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		}
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	}
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	function getIeResultDom(xmlDoc) {
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		xsltProcessor.input = xmlDoc;
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		var outDoc = new ActiveXObject(getActiveXImpl(ACTIVEX_DOMS));
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		outDoc.async = false;
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		outDoc.validateOnParse = false;
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		xsltProcessor.output = outDoc;
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		xsltProcessor.transform();
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		if (outDoc.parseError.errorCode != 0) {
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			var err = outDoc.parseError;
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			dojo.raise("err.errorCode: " + err.errorCode + "\n\nerr.reason: " + err.reason + "\n\nerr.url: " + err.url + "\n\nerr.srcText: " + err.srcText);
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		}
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		return outDoc;
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	}
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	function getIeResultStr(xmlDoc, params) {
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		xsltProcessor.input = xmlDoc;
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		xsltProcessor.transform();
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		return xsltProcessor.output;
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	}
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	function addMozillaParams(params) {
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		if (!params) {
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			return;
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		}
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		for (var i = 0; i < params.length; i++) {
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			xsltProcessor.setParameter(null, params[i][0], params[i][1]);
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		}
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	}
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	function getMozillaResultDom(xmlDoc, params) {
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		addMozillaParams(params);
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		var resultDoc = xsltProcessor.transformToDocument(xmlDoc);
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		xsltProcessor.clearParameters();
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		return resultDoc;
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	}
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	function getMozillaResultStr(xmlDoc, params, parentDoc) {
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		addMozillaParams(params);
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		var resultDoc = xsltProcessor.transformToFragment(xmlDoc, parentDoc);
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		var serializer = new XMLSerializer();
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		xsltProcessor.clearParameters();
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		return serializer.serializeToString(resultDoc);
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	}
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	this.getResultString = function (xmlDoc, params, parentDoc) {
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		var content = null;
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		if (IS_IE) {
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			addIeParams(params);
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			content = getIeResultStr(xmlDoc, params);
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			removeIeParams(params);
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		} else {
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			content = getMozillaResultStr(xmlDoc, params, parentDoc);
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		}
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		return content;
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	};
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	this.transformToContentPane = function (xmlDoc, params, contentPane, parentDoc) {
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		var content = this.getResultString(xmlDoc, params, parentDoc);
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		contentPane.setContent(content);
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	};
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	this.transformToRegion = function (xmlDoc, params, region, parentDoc) {
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		try {
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			var content = this.getResultString(xmlDoc, params, parentDoc);
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			region.innerHTML = content;
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		}
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		catch (e) {
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			dojo.raise(e.message + "\n\n xsltUri: " + xsltUri);
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		}
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	};
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	this.transformToDocument = function (xmlDoc, params) {
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		return getResultDom(xmlDoc, params);
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	};
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	this.transformToWindow = function (xmlDoc, params, windowDoc, parentDoc) {
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		try {
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			windowDoc.open();
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			windowDoc.write(this.getResultString(xmlDoc, params, parentDoc));
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			windowDoc.close();
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		}
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		catch (e) {
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			dojo.raise(e.message + "\n\n xsltUri: " + xsltUri);
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		}
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	};
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};
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