forked from extern/egroupware
493 lines
14 KiB
JavaScript
493 lines
14 KiB
JavaScript
/**
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* EGroupware clientside API: link-registry, link-titles, generation links
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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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/*egw:uses
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egw_core;
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*/
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/**
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* @augments Class
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*/
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egw.extend('links', egw.MODULE_GLOBAL, function()
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{
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"use strict";
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/**
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* Link registry
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*
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* @access: private, use egw.open() or egw.set_link_registry()
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*/
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var link_registry = undefined;
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/**
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* Local cache for link-titles
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*
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* @access private, use egw.link_title(_app, _id[, _callback, _context])
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*/
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var title_cache = {};
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/**
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* Queue for link_title requests
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*
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* @access private, use egw.link_title(_app, _id[, _callback, _context])
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* @var object _app._id.[{callback: _callback, context: _context}[, ...]]
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*/
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var title_queue = {};
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/**
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* Uid of active jsonq request, to not start an other one, as we get notified
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* before it's actually send to the server via our link_title_before_send callback.
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* @access private
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*/
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var title_uid = null;
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return {
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/**
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* Check if $app is in the registry and has an entry for $name
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*
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* @param {string} _app app-name
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* @param {string} _name name / key in the registry, eg. 'view'
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* @return {boolean|string} false if $app is not registered, otherwise string with the value for $name
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* @memberOf egw
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*/
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link_get_registry: function(_app, _name)
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{
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if (typeof link_registry != 'object')
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{
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alert('egw.open() link registry is NOT defined!');
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return false;
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}
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if (typeof link_registry[_app] == 'undefined')
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{
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return false;
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}
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var reg = link_registry[_app];
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// some defaults (we set them directly in the registry, to do this only once)
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if (typeof reg[_name] == 'undefined')
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{
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switch(_name)
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{
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case 'name':
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reg.name = _app;
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break;
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case 'icon':
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var app_data = this.app(_app);
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if (typeof app_data != 'undefined' &&
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typeof app_data.icon != 'undefined' && app_data.icon != null)
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{
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reg.icon = (typeof app_data.icon_app != 'undefined' ? app_data.icon_app : _app)+'/'+app_data.icon;
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}
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else
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{
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reg.icon = _app+'/navbar';
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}
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break;
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}
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}
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if (reg && typeof _name == 'undefined')
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{
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// No key requested, return the whole thing
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return reg;
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}
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return typeof reg[_name] == 'undefined' ? false : reg[_name];
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},
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/**
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* Get mime-type information from app-registry
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*
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* We prefer a full match over a wildcard like 'text/*' (written as regualr expr. "/^text\\//"
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*
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* @param {string} _type
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* @return {object} with values for keys 'menuaction', 'mime_id' (path) or 'mime_url' and options 'mime_popup' and other values to pass one
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*/
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get_mime_info: function(_type)
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{
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var wildcard_mime;
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for(var app in link_registry)
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{
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var reg = link_registry[app];
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if (typeof reg.mime != 'undefined')
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{
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for(var mime in reg.mime)
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{
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if (mime == _type) return reg.mime[_type];
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if (mime[0] == '/' && _type.match(new RegExp(mime.substring(1, mime.length-1), 'i')))
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{
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wildcard_mime = reg.mime[mime];
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}
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}
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}
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}
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return wildcard_mime ? wildcard_mime : null;
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},
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/**
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* Get handler (link-data) for given path and mime-type
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*
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* @param {string|object} _path vfs path, egw_link::set_data() id or
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* object with attr path, optinal download_url or id, app2 and id2 (path=/apps/app2/id2/id)
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* @param {string} _type mime-type, if not given in _path object
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* @return {string|object} string with EGw relative link, array with get-parameters for '/index.php' or null (directory and not filemanager access)
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*/
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mime_open: function(_path, _type)
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{
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var path;
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if (typeof _path == 'object')
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{
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if (typeof _path.path == 'undefined')
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{
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path = '/apps/'+_path.app2+'/'+_path.id2+'/'+_path.id;
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}
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else
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{
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path = _path.path;
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}
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if (typeof _path.type == 'string')
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{
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_type = _path.type;
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}
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}
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else if(_path[0] != '/')
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{
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}
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else
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{
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path = _path;
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}
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var mime_info = this.get_mime_info(_type);
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if (mime_info)
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{
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var data = {};
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for(var attr in mime_info)
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{
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switch(attr)
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{
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case 'mime_url':
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data[mime_info.mime_url] = 'vfs://default' + path;
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break;
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case 'mime_data':
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break;
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case 'mime_type':
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data[mime_info.mime_type] = _type;
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break;
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default:
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data[attr] = mime_info[attr];
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}
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}
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// if mime_info did NOT define mime_url attribute, we use a WebDAV url drived from path
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if (typeof mime_info.mime_url == 'undefined')
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{
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data.url = typeof _path == 'object' && _path.download_url ? _path.download_url : '/webdav.php' + path;
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}
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}
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else
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{
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var data = typeof _path == 'object' && _path.download_url ? _path.download_url : '/webdav.php' + path;
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}
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return data;
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},
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/**
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* Get list of link-aware apps the user has rights to use
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*
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* @param {string} _must_support capability the apps need to support, eg. 'add', default ''=list all apps
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* @return {object} with app => title pairs
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*/
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link_app_list: function(_must_support)
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{
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var apps = [];
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for (var type in link_registry)
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{
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var reg = link_registry[type];
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if (typeof _must_support != 'undefined' && _must_support && typeof reg[_must_support] == 'undefined') continue;
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var app_sub = type.split('-');
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if (this.app(app_sub[0]))
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{
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apps.push({"type": type, "label": this.lang(this.link_get_registry(type,'name'))});
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}
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}
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// sort labels (caseinsensitive) alphabetic
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apps = apps.sort(function(_a,_b) {
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var al = _a.label.toUpperCase();
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var bl = _b.label.toUpperCase();
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return al == bl ? 0 : (al > bl ? 1 : -1);
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});
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// create sorted associative array / object
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var sorted = {};
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for(var i = 0; i < apps.length; ++i)
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{
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sorted[apps[i].type] = apps[i].label;
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}
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return sorted;
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},
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/**
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* Set link registry
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*
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* @param {object} _registry whole registry or entries for just one app
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* @param {string} _app
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* @param {boolean} _need_clone _images need to be cloned, as it is from different window context
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* and therefore will be inaccessible in IE, after that window is closed
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*/
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set_link_registry: function (_registry, _app, _need_clone)
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{
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if (typeof _app == 'undefined')
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{
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link_registry = _need_clone ? jQuery.extend(true, {}, _registry) : _registry;
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}
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else
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{
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link_registry[_app] = _need_clone ? jQuery.extend(true, {}, _registry) : _registry;
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}
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},
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/**
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* Generate a url which supports url or cookies based sessions
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*
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* Please note, the values of the query get url encoded!
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*
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* @param {string} _url a url relative to the egroupware install root, it can contain a query too or
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* full url containing a schema and "://"
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* @param {object|string} _extravars query string arguements as string or array (prefered)
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* if string is used ambersands in vars have to be already urlencoded as '%26', function ensures they get NOT double encoded
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* @return {string} generated url
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*/
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link: function(_url, _extravars)
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{
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if (_url.substr(0,4) == 'http' && _url.indexOf('://') < 5)
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{
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// already a full url (eg. download_url of vfs), nothing to do
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}
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else
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{
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if (_url[0] != '/')
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{
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alert("egw.link('"+_url+"') called with url starting NOT with a slash!");
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var app = window.egw_appName;
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if (app != 'login' && app != 'logout') _url = app+'/'+_url;
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}
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// append the url to the webserver url, if not already contained or empty
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if (this.webserverUrl && this.webserverUrl != '/' && _url.indexOf(this.webserverUrl+'/') != 0)
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{
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_url = this.webserverUrl + _url;
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}
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}
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var vars = {};
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// check if the url already contains a query and ensure that vars is an array and all strings are in extravars
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var url_othervars = _url.split('?',2);
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_url = url_othervars[0];
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var othervars = url_othervars[1];
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if (_extravars && typeof _extravars == 'object')
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{
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$j.extend(vars, _extravars);
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_extravars = othervars;
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}
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else
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{
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if (!_extravars) _extravars = '';
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if (othervars) _extravars += (_extravars?'&':'')+othervars;
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}
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// parse extravars string into the vars array
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if (_extravars)
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{
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_extravars = _extravars.split('&');
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for(var i=0; i < _extravars.length; ++i)
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{
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var name_val = _extravars[i].split('=',2);
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var name = name_val[0];
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var val = name_val[1] || '';
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if (val.indexOf('%26') != -1) val = val.replace(/%26/g,'&'); // make sure to not double encode &
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if (name.lastIndexOf('[]') == name.length-2)
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{
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name = name.substr(0,name.length-2);
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if (typeof vars[name] == 'undefined') vars[name] = [];
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vars[name].push(val);
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}
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else
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{
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vars[name] = val;
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}
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}
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}
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// if there are vars, we add them urlencoded to the url
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var query = [];
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// If ajax flag is there, it must be the last one
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var ajax = vars.ajax || false;
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delete vars.ajax;
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for(var name in vars)
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{
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var val = vars[name] || ''; // fix error for eg. null, which is an object!
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if (typeof val == 'object')
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{
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for(var i=0; i < val.length; ++i)
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{
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query.push(name+'[]='+encodeURIComponent(val[i]));
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}
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}
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else
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{
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query.push(name+'='+encodeURIComponent(val));
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}
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}
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// Add ajax flag at the end
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if(ajax)
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{
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query.push('ajax='+encodeURIComponent(ajax));
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}
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return query.length ? _url+'?'+query.join('&') : _url;
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},
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/**
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* Query a title of _app/_id
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*
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* @param {string} _app
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* @param {string|number} _id
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* @param {function} _callback optinal callback, required if for responses from the server
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* @param {object} _context context for the callback
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* @param {boolean} _force_reload true load again from server, even if already cached
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* @return {string|boolean|null} string with title if it exist in local cache or null if not
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*/
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link_title: function(_app, _id, _callback, _context, _force_reload)
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{
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// check if we have a cached title --> return it direct
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if (typeof title_cache[_app] != 'undefined' && typeof title_cache[_app][_id] != 'undefined' && _force_reload !== true)
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{
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if (typeof _callback == 'function')
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{
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_callback.call(_context, title_cache[_app][_id]);
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}
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return title_cache[_app][_id];
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}
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// no callback --> return null
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if (typeof _callback != 'function')
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{
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return null; // not found in local cache and cant do a synchronious request
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}
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// queue the request
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if (typeof title_queue[_app] == 'undefined')
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{
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title_queue[_app] = {};
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}
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if (typeof title_queue[_app][_id] == 'undefined')
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{
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title_queue[_app][_id] = [];
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}
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title_queue[_app][_id].push({callback: _callback, context: _context});
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// if there's no active jsonq request, start a new one
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if (title_uid == null)
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{
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title_uid = this.jsonq(_app+'.etemplate_widget_link.ajax_link_titles.etemplate',[{}], this.link_title_callback, this, this.link_title_before_send);
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}
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},
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/**
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* Callback to add all current title requests
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*
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* @param {object} _params of parameters, only first parameter is used
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*/
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link_title_before_send: function(_params)
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{
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// add all current title-requests
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for(var app in title_queue)
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{
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for(var id in title_queue[app])
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{
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if (typeof _params[0][app] == 'undefined')
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{
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_params[0][app] = [];
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}
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_params[0][app].push(id);
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}
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}
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title_uid = null; // allow next request to jsonq
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},
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/**
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* Callback for server response
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*
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* @param {object} _response _app => _id => title
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*/
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link_title_callback: function(_response)
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{
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if (typeof _response != 'object')
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{
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throw "Wrong parameter for egw.link_title_callback!";
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}
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for(var app in _response)
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{
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if (typeof title_cache[app] != 'object')
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{
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title_cache[app] = {};
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}
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for (var id in _response[app])
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{
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var title = _response[app][id];
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// cache locally
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title_cache[app][id] = title;
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// call callbacks waiting for title of app/id
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if(typeof title_queue[app][id] != "undefined")
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{
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for(var i=0; i < title_queue[app][id].length; ++i)
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{
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var callback = title_queue[app][id][i];
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callback.callback.call(callback.context, title);
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}
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}
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delete title_queue[app][id];
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}
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}
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},
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/**
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* Create quick add selectbox
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*
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* @param {DOMnode} _parent parent to create selectbox in
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*/
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link_quick_add: function(_parent)
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{
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// check if quick-add selectbox is alread there, only create it again if not
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if (document.getElementById('quick_add_selectbox')) return;
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var select = jQuery(document.createElement('select')).attr('id', 'quick_add_selectbox');
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jQuery(typeof _parent == 'string' ? '#'+_parent : _parent).append(select);
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var self = this;
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// bind change handler
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select.change(function(){
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if (this.value) self.open('', this.value, 'add', {}, undefined, this.value, true);
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this.value = '';
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});
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// need to load common translations for app-names
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this.langRequire(window, [{app: 'common', lang: this.preference('lang')}], function(){
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select.append(jQuery(document.createElement('option')).attr('value', '').text(self.lang('Add')+' ...'));
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var apps = self.link_app_list('add');
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for(var app in apps)
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{
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var option = jQuery(document.createElement('option')).attr('value', app)
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.text(self.lang(self.link_get_registry(app,'entry') || apps[app]));
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select.append(option);
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}
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});
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}
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};
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});
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