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/**
* ====================================================================
* About
* ====================================================================
* Sarissa cross browser XML library - AJAX module
* @version 0.9.6.1
* @author: Copyright Manos Batsis, mailto: mbatsis at users full stop sourceforge full stop net
*
* This module contains some convinient AJAX tricks based on Sarissa
*
* ====================================================================
* Licence
* ====================================================================
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 or
* the GNU Lesser General Public License version 2.1 as published by
* the Free Software Foundation (your choice between the two).
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License or GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* or GNU Lesser General Public License along with this program; if not,
* write to the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
* or visit http://www.gnu.org
*
*/
/**
* Update an element with response of a GET request on the given URL.
* @addon
* @param sFromUrl the URL to make the request to
* @param oTargetElement the element to update
* @param xsltproc (optional) the transformer to use on the returned
* content before updating the target element with it
*/
Sarissa.updateContentFromURI = function(sFromUrl, oTargetElement, xsltproc) {
try{
oTargetElement.style.cursor = "wait";
var xmlhttp = new XMLHttpRequest();
xmlhttp.open("GET", sFromUrl);
function sarissa_dhtml_loadHandler() {
if (xmlhttp.readyState == 4) {
oTargetElement.style.cursor = "auto";
Sarissa.updateContentFromNode(xmlhttp.responseXML, oTargetElement, xsltproc);
};
};
xmlhttp.onreadystatechange = sarissa_dhtml_loadHandler;
xmlhttp.send(null);
oTargetElement.style.cursor = "auto";
}
catch(e){
oTargetElement.style.cursor = "auto";
throw e;
};
};
/**
* Update an element's content with the given DOM node.
* @addon
* @param sFromUrl the URL to make the request to
* @param oTargetElement the element to update
* @param xsltproc (optional) the transformer to use on the given
* DOM node before updating the target element with it
*/
Sarissa.updateContentFromNode = function(oNode, oTargetElement, xsltproc) {
try {
oTargetElement.style.cursor = "wait";
Sarissa.clearChildNodes(oTargetElement);
// check for parsing errors
var ownerDoc = oNode.nodeType == Node.DOCUMENT_NODE?oNode:oNode.ownerDocument;
if(ownerDoc.parseError && ownerDoc.parseError != 0) {
var pre = document.createElement("pre");
pre.appendChild(document.createTextNode(Sarissa.getParseErrorText(ownerDoc)));
oTargetElement.appendChild(pre);
}
else {
// transform if appropriate
if(xsltproc) {
oNode = xsltproc.transformToDocument(oNode);
};
// be smart, maybe the user wants to display the source instead
if(oTargetElement.tagName.toLowerCase == "textarea" || oTargetElement.tagName.toLowerCase == "input") {
oTargetElement.value = Sarissa.serialize(oNode);
}
else {
// ok that was not smart; it was paranoid. Keep up the good work by trying to use DOM instead of innerHTML
if(oNode.nodeType == Node.DOCUMENT_NODE || oNode.ownerDocument.documentElement == oNode) {
oTargetElement.innerHTML = Sarissa.serialize(oNode);
}
else{
oTargetElement.appendChild(oTargetElement.ownerDocument.importNode(oNode, true));
};
};
};
}
catch(e) {
throw e;
}
finally{
oTargetElement.style.cursor = "auto";
};
};
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