mirror of
https://github.com/EGroupware/egroupware.git
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119 lines
3.0 KiB
JavaScript
119 lines
3.0 KiB
JavaScript
/**
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* EGroupware clientside API object
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*
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* @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
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* @package etemplate
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* @subpackage api
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* @link http://www.egroupware.org
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* @author Andreas Stöckel (as AT stylite.de)
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* @author Ralf Becker <RalfBecker@outdoor-training.de>
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* @version $Id$
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*/
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"use strict";
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/*egw:uses
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egw_core;
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egw_ready;
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egw_debug;
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*/
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/**
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* @augments Class
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*/
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egw.extend('files', egw.MODULE_WND_LOCAL, function(_app, _wnd)
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{
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var egw = this;
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/**
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* Array which contains all currently bound in javascript and css files.
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*/
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var files = {};
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/**
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* Remove optional timestamp attached directly as first query parameter, eg. /path/name.js?12345678[&other=val]
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*
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* Examples:
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* /path/file.js --> /path/file.js
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* /path/file.js?123456 --> /path/file.js
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* /path/file.php?123456¶m=value --> /path/file.php?param=value
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*
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* @param _src url
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* @return url with timestamp stripped off
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*/
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function removeTS(_src)
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{
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return _src.replace(/\?[0-9]+&?/, '?').replace(/\?$/, '');
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}
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return {
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/**
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* Load and execute javascript file(s) in order
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*
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* @memberOf egw
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* @param string|array _jsFiles (array of) urls to include
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* @param function _callback called after JS files are loaded and executed
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* @param object _context
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* @param string _prefix prefix for _jsFiles
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*/
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includeJS: function(_jsFiles, _callback, _context, _prefix) {
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if (typeof _prefix === 'undefined')
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{
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_prefix = '';
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}
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// LABjs uses prefix only if url is not absolute, so removing leading / if necessary and add it to prefix
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if (_prefix)
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{
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// Also allow including a single javascript file
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if (typeof _jsFiles === 'string')
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{
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_jsFiles = [_jsFiles];
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}
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for(var i=0; i < _jsFiles.length; ++i)
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{
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if (_jsFiles[i].charAt(0) == '/') _jsFiles[i] = _jsFiles[i].substr(1);
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}
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if (_prefix.charAt(_prefix.length-1) != '/')
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{
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_prefix += '/';
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}
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}
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// setting AlwaysPreserverOrder: true, 'til we have some other means of ensuring dependency resolution
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(egw_LAB || $LAB.setOptions({AlwaysPreserveOrder:true,BasePath:_prefix})).script(_jsFiles).wait(function(){
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_callback.call(_context);
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});
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},
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/**
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* Include a CSS file
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*
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* @param _cssFile full url of file to include
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*/
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includeCSS: function(_cssFile) {
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//Check whether the requested file has already been included
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var file = removeTS(_cssFile);
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if (typeof files[file] === 'undefined')
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{
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files[file] = true;
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// Create the node which is used to include the css fiel
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var cssnode = _wnd.document.createElement('link');
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cssnode.type = "text/css";
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cssnode.rel = "stylesheet";
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cssnode.href = _cssFile;
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// Get the head node and append the newly created "link" node
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// to it.
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var head = _wnd.document.getElementsByTagName('head')[0];
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if(jQuery('link[href="'+_cssFile+'"]',head).length == 0)
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{
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head.appendChild(cssnode);
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}
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}
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}
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}
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});
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