/*
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NeatUpload - an HttpModule and User Controls for uploading large files
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Copyright (C) 2005 Dean Brettle
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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function NeatUploadGetMainWindow()
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{
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var mainWindow;
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if (window.opener)
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mainWindow = window.opener;
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else
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mainWindow = window.parent;
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return mainWindow;
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};
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NeatUploadCancelled = false;
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function NeatUploadCancel()
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{
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NeatUploadCancelled = true;
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var mainWindow = NeatUploadGetMainWindow();
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if (mainWindow && mainWindow.stop)
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mainWindow.stop();
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else if (mainWindow && mainWindow.document && mainWindow.document.execCommand)
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mainWindow.document.execCommand('Stop');
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}
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function NeatUpload_CombineHandlers(origHandler, newHandler)
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{
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if (!origHandler || typeof(origHandler) == 'undefined') return newHandler;
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return function(e) { origHandler(e); newHandler(e); };
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}
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NeatUploadReq = null;
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function NeatUploadRefreshWithAjax(url)
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{
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NeatUploadReq = null;
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var req = null;
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try
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{
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req = new ActiveXObject('Microsoft.XMLHTTP');
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}
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catch (ex)
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{
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req = null;
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}
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if (!req && typeof(XMLHttpRequest) != 'undefined')
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{
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req = new XMLHttpRequest();
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}
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if (req)
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{
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NeatUploadReq = req;
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}
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if (NeatUploadReq)
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{
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NeatUploadReq.onreadystatechange = NeatUploadUpdateHtml;
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NeatUploadReq.open('GET', url);
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NeatUploadReq.send(null);
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}
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else
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{
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return false;
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}
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return true;
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}
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function NeatUploadUpdateHtml()
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{
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if (typeof(NeatUploadReq) != 'undefined' && NeatUploadReq != null && NeatUploadReq.readyState == 4)
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{
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try
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{
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var responseXmlDoc = NeatUploadReq.responseXML;
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if (responseXmlDoc.parseError && responseXmlDoc.parseError.errorCode != 0)
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{
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// window.alert('parse error: ' + responseXmlDoc.parseError.reason);
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}
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// window.alert(new XMLSerializer().serializeToString(responseXmlDoc));
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var templates = responseXmlDoc.getElementsByTagName('neatUploadDetails');
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var status = templates.item(0).getAttribute('status');
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for (var t = 0; t < templates.length; t++)
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{
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var srcElem = templates.item(t);
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var innerXml = '';
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for (var i = 0; i < srcElem.childNodes.length; i++)
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{
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var childNode = srcElem.childNodes.item(i);
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var xml = childNode.xml;
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if (xml == null)
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xml = new XMLSerializer().serializeToString(childNode);
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if (typeof(xml) == 'undefined')
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throw "serializeToString() returned 'undefined' (probably due to a Safari bug) so no AJAX.";
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innerXml += xml;
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}
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var id = srcElem.getAttribute('id');
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var destElem = document.getElementById(id);
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destElem.innerHTML = innerXml;
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for (var a=0; a < srcElem.attributes.length; a++)
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{
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var attr = srcElem.attributes.item(a);
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if (attr.specified)
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{
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if (attr.name == 'style' && destElem.style && destElem.style.cssText)
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destElem.style.cssText = attr.value;
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else
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destElem.setAttribute(attr.name, attr.value);
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}
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}
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}
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if (status != 'NormalInProgress' && status != 'ChunkedInProgress' && status != 'Unknown')
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{
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NeatUploadRefreshPage();
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}
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var lastMillis = NeatUploadLastUpdate.getTime();
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NeatUploadLastUpdate = new Date();
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var delay = Math.max(lastMillis + 1000 - NeatUploadLastUpdate.getTime(), 1);
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NeatUploadReloadTimeoutId = setTimeout('NeatUploadRefresh()', delay);
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}
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catch (ex)
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{
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NeatUploadRefreshPage();
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}
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}
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}
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NeatUploadLastUpdate = new Date();
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NeatUploadReloadTimeoutId = null;
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window.onunload = NeatUpload_CombineHandlers(window.onunload, function ()
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{
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if (NeatUploadReq && NeatUploadReq.readystate
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&& NeatUploadReq.readystate >= 1 && NeatUploadReq.readystate <=3)
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{
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NeatUploadReq.abort();
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}
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NeatUploadReq = null;
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if (NeatUploadReloadTimeoutId)
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clearTimeout(NeatUploadReloadTimeoutId);
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});
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NeatUploadMainWindow = NeatUploadGetMainWindow();
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function NeatUploadRefresh()
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{
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if (!NeatUploadRefreshWithAjax(NeatUploadRefreshUrl + '&useXml=true'))
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{
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NeatUploadRefreshPage();
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}
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}
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function NeatUploadRefreshPage()
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{
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if (!NeatUploadCancelled)
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{
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window.location.replace(NeatUploadRefreshUrl);
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}
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}
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function NeatUpload_CancelClicked()
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{
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NeatUploadCancel();
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window.location.replace(NeatUploadRefreshUrl + '&cancelled=true');
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}
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