mirror of
https://github.com/EGroupware/egroupware.git
synced 2024-10-08 19:12:29 +02:00
335 lines
8.1 KiB
JavaScript
335 lines
8.1 KiB
JavaScript
/***************************************************************************\
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* eGroupWare - API *
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* http://www.egroupware.org *
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* Written by: *
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* - Raphael Derosso Pereira <raphaelpereira@users.sourceforge.net> *
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* sponsored by Thyamad - http://www.thyamad.com *
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* ------------------------------------------------------------------------- *
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* Javascript connector (XMLHTTP object interfacing) *
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* ------------------------------------------------------------------------- *
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* This program is free software; you can redistribute it and/or modify it *
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* under the terms of the GNU General Public License as published by the *
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* Free Software Foundation; either version 2 of the License, or (at your *
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* option) any later version. *
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\***************************************************************************/
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function cConnector()
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{
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/* Public Attributes */
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this.requests = new Array();
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this.progressContents = new Array();
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this.visible = false;
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var _this = this;
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this.nReqs = 0;
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/* Private Attributes */
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this._progressBox = null;
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this._progressHolder = document.createElement('span');
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/* Removed display of connecting status
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this.setProgressBox('loading_box',true);
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this.setProgressContent(1,GLOBALS['messages']['jsapi']['connector_1']);
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this.setProgressContent(2,GLOBALS['messages']['jsapi']['connector_2']);
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this.setProgressContent(3,GLOBALS['messages']['jsapi']['connector_3']);*/
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this._progressHolder.style.visibility = 'hidden';
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// this._progressHolder.style.backgroundColor = '#db7e22';
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}
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cConnector.prototype.newRequest = function (id, target, method, handler, data)
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{
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var _this = this;
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if (this.requests[id] && this.requests[id] != null)
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{
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// TODO: Study better ways to do this...
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return;
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this.requests[id].abort();
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delete this.requests[id];
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setTimeout(function() { _this.newRequest(id, target, method, handler, data); }, 100);
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return;
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}
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this.nReqs++;
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document.body.style.cursor = 'progress';
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var oxmlhttp = null;
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try
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{
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oxmlhttp = new XMLHttpRequest();
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oxmlhttp.overrideMimeType('text/xml');
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}
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catch (e)
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{
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try
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{
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oxmlhttp = new ActiveXObject('Msxml2.XMLHTTP');
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}
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catch (e1)
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{
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try
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{
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oxmlhttp = new ActiveXObject('Microsoft.XMLHTTP');
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}
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catch (e2)
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{
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oxmlhttp = null;
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}
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}
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}
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if (!oxmlhttp)
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{
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return false;
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}
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this.requests[id] = oxmlhttp;
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var _this = this;
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var sub_handler = function ()
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{
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try
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{
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_this._setProgressState(oxmlhttp.readyState);
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if (oxmlhttp.readyState == 4 )//&& oxmlhttp.channel.status == 0)
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{
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if (!oxmlhttp || !oxmlhttp.status)
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{
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return;
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}
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if (dynapi.debug)
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{
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dynapi.debug.print('\nServer Message Arrived:\n\n'+oxmlhttp.responseText+'\n\n');
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}
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switch (oxmlhttp.status)
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{
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case 200:
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if (typeof(handler) == 'function')
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{
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handler(oxmlhttp.responseText);
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}
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delete _this.requests[id];
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_this.nReqs--;
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if (!_this.nReqs) document.body.style.cursor = '';
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break;
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case 404:
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alert('Page Not Found!');
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break;
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default:
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//alert('Some problem while accessing the server. The status is '+oxmlhttp.status);
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}
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}
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}
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catch (e)
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{
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_this.nReqs--;
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if (!_this.nReqs) document.body.style.cursor = '';
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delete _this.requests[id];
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// TODO: Handle of special exceptions must be made by API
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// Exception 0x80040111 => trying to access a component without permission to do so
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if (e && typeof(e) == 'object' && e.result && e.result == 0x80040111)
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{
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return;
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}
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showMessage(e);
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}
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}
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try
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{
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if (method == '' || method == 'GET')
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{
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if (typeof(handler) == 'function')
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{
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oxmlhttp.onreadystatechange = sub_handler;
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}
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oxmlhttp.open("GET",target,true);
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oxmlhttp.send(null);
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}
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else if (method == 'POST')
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{
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if (typeof(handler) == 'function')
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{
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oxmlhttp.onreadystatechange = sub_handler;
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}
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oxmlhttp.open("POST",target, true);
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// oxmlhttp.setRequestHeader('Content-Type','application/x-www-form-urlencoded');
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// viniciuscb commented here, messages should be in xmlrpc
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oxmlhttp.setRequestHeader('Content-Type','text/xml');
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oxmlhttp.send(data);
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//oxmlhttp.setRequestHeader('Content-Type','multipart/form-data; boundary=-----------------------------1156053686807595044986274307');
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//oxmlhttp.setRequestHeader('Accept', 'text/xml,application/xml,application/xhtml+xml,text/html;q=0.9,text/plain;q=0.8,image/png,*/*;q=0.5');
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}
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}
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catch(e)
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{
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showMessage(e);
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}
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return true;
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}
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cConnector.prototype.cancelRequest = function (id)
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{
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if (!this.requests[id])
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{
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return false;
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}
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this.requests[id].abort();
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}
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cConnector.prototype.setProgressContent = function (state, content)
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{
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switch (state)
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{
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case 0:
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case 'UNINITIALIZED':
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this.progressContents[0] = content;
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break;
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case 1:
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case 'LOADING':
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this.progressContents[1] = content;
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break;
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case 2:
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case 'LOADED':
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this.progressContents[2] = content;
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break;
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case 3:
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case 'INTERACTIVE':
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this.progressContents[3] = content;
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break;
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case 4:
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case 'COMPLETED':
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this.progressContents[4] = content;
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break;
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default:
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throw('INVALID STATE!');
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}
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}
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cConnector.prototype.setProgressHolder = function (holder)
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{
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var objHolder;
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if (typeof(holder) == 'string')
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{
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objHolder = Element(holder);
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}
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else if (typeof(holder) == 'object')
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{
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objHolder = holder;
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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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objHolder.appendChild(this._progressHolder);
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}
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cConnector.prototype.setProgressBox = function (box, auto)
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{
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var objBox;
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if (typeof(box) == 'string')
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{
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objBox = Element(box);
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}
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else if (typeof(box) == 'object')
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{
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objBox = box;
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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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this._progressBox = objBox;
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this._progressBoxAuto = auto ? true : false;
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objBox.appendChild(this._progressHolder);
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}
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cConnector.prototype.setVisible = function (visible)
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{
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this.visible = visible;
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if (!visible)
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{
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this._progressHolder.style.visibility = 'hidden';
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}
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}
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/****************************************************************************\
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* Private Methods *
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\****************************************************************************/
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cConnector.prototype._setProgressState = function (state)
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{
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switch (state)
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{
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case 0:
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case 4:
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if (this._progressBox != null)
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{
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this._progressBox.style.visibility = 'hidden';
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this._progressBox.style.zIndex = '-1';
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}
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this._progressHolder.style.visibility = 'hidden';
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this._progressHolder.style.zIndex = '-1';
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break;
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default:
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if (this.visible)
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{
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if (this._progressBox != null)
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{
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if (this._progressBoxAuto)
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{
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if (is_ie)
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{
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this._progressBox.style.top = parseInt(document.body.offsetHeight)/2 + 'px';
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this._progressBox.style.left = parseInt(document.body.offsetWidth)/2 + 'px';
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}
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else
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{
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this._progressBox.style.top = parseInt(window.innerHeight)/2 + parseInt(window.pageYOffset) - this._progressBox.style.height/2 + 'px';
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this._progressBox.style.left = parseInt(window.innerWidth)/2 + parseInt(window.pageXOffset) - this._progressBox.style.width/2 + 'px';
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}
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}
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this._progressBox.style.visibility = 'inherit';
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this._progressBox.style.zIndex = 1000000;
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}
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this._progressHolder.style.visibility = 'inherit';
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this._progressHolder.style.zIndex = '100';
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this._progressHolder.innerHTML = this.progressContents[state] ? this.progressContents[state] : '';
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}
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}
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}
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var Connector;
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dynapi.onLoad(function(){
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Connector = new cConnector();
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Connector.setVisible(true);
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});
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