mirror of
https://github.com/EGroupware/egroupware.git
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459 lines
13 KiB
JavaScript
459 lines
13 KiB
JavaScript
/**
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* EGroupware eTemplate2 - Class which contains a the data model for nextmatch widgets
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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
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* @copyright Stylite 2012
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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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et2_core_common;
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et2_core_inheritance;
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et2_dataview_view_row;
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et2_dataview_controller;
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et2_dataview_interfaces;
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et2_extension_nextmatch_actions; // Contains nm_action
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egw_data;
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*/
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/**
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* @augments et2_dataview_controller
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*/
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var et2_nextmatch_controller = et2_dataview_controller.extend(et2_IDataProvider,
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{
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/**
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* Initializes the nextmatch controller.
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*
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* @param _parentController is the parent nextmatch controller instance
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* @param _egw is the api instance
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* @param _execId is the execId of the etemplate
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* @param _widget is the nextmatch-widget we are fetching data for.
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* @param _grid is the grid the grid controller will be controlling
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* @param _rowProvider is the nextmatch row provider instance.
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* @param _objectManager is the parent object manager (if null, the object
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* manager) will be created using
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* @param _actionLinks contains the action links
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* @param _actions contains the actions, may be null if an object manager
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* is given.
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* @memberOf et2_nextmatch_controller
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*/
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init: function (_parentController, _egw, _execId, _widget, _parentId,
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_grid, _rowProvider, _actionLinks, _objectManager, _actions) {
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// Copy the egw reference
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this.egw = _egw;
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// Keep a reference to the widget
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this._widget = _widget;
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// Initialize the action and the object manager
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if (!_objectManager)
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{
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this._initActions(_actions);
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}
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else
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{
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this._actionManager = null;
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this._objectManager = _objectManager;
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}
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// Add our selection callback to selection manager
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var self = this;
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this._objectManager.setSelectedCallback = function() {self._selectCallback.apply(self,[this,arguments]);};
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// Call the parent et2_dataview_controller constructor
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this._super(_parentController, _grid, this, this._rowCallback,
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this._linkCallback, this, this._objectManager);
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// Copy the given parameters
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this._actionLinks = _actionLinks;
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this._execId = _execId;
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this._widgetId = _widget.id;
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this._parentId = _parentId;
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this._rowProvider = _rowProvider;
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// We start with no filters
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this._filters = {};
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// Keep selection across filter changes
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this.kept_selection = null;
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this.kept_focus = null;
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this.kept_expansion = [];
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// Directly use the API-Implementation of dataRegisterUID and
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// dataUnregisterUID
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this.dataUnregisterUID = _egw.dataUnregisterUID;
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},
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destroy: function () {
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// If the actionManager variable is set, the object- and actionManager
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// were created by this instance -- clear them
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if (this._actionManager)
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{
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this._objectManager.remove();
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this._actionManager.remove();
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}
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this._super();
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},
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/**
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* Updates the filter instance.
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*/
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setFilters: function (_filters) {
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// Update the filters
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this._filters = _filters;
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},
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/**
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* Keep the selection, if possible, across a data fetch and restore it
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* after
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*/
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keepSelection: function() {
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this.kept_selection = this._selectionMgr ? this._selectionMgr.getSelected() : null;
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this.kept_focus = this._selectionMgr && this._selectionMgr._focusedEntry ?
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this._selectionMgr._focusedEntry.uid || null : null;
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// Find expanded rows
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var nm = this._widget;
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var controller = this;
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$j('.arrow.opened',this._widget.getDOMNode(this._widget)).each(function() {
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var entry = controller.getRowByNode(this);
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if(entry && entry.uid)
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{
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controller.kept_expansion.push(entry.uid);
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}
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});
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},
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getObjectManager: function () {
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return this._objectManager;
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},
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/**
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* Deletes a row from the grid
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*
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* @param {string} uid
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*/
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deleteRow: function(uid) {
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var entry = this._selectionMgr._getRegisteredRowsEntry(uid);
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// Unselect
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this._selectionMgr.setSelected(uid,false);
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if(entry && entry.idx !== null)
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{
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// This will remove the row, but add an empty to the end.
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// That's OK, because it will be removed when we update the row count
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this._grid.deleteRow(entry.idx);
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// Trigger controller to remove from internals
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this.egw.dataStoreUID(uid,null);
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// Stop caring about this ID
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this.egw.dataDeleteUID(uid);
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// Remove from internal map
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delete this._indexMap[entry.idx];
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// Update the indices of all elements after the current one
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for(var mapIndex = entry.idx + 1; typeof this._indexMap[mapIndex] !== 'undefined'; mapIndex++)
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{
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var entry = this._indexMap[mapIndex];
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entry.idx = mapIndex-1;
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this._indexMap[mapIndex-1] = entry;
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// Update selection mgr too
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if(entry.uid && typeof this._selectionMgr._registeredRows[entry.uid] !== 'undefined')
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{
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var reg = this._selectionMgr._getRegisteredRowsEntry(entry.uid);
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reg.idx = entry.idx;
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if(reg.ao && reg.ao._index) reg.ao._index = entry.idx;
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}
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}
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// Remove last one, it was moved to mapIndex-1 before increment
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delete this._indexMap[mapIndex-1];
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// Not needed, they share by reference
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// this._selectionMgr.setIndexMap(this._indexMap);
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}
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},
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/** -- PRIVATE FUNCTIONS -- **/
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/**
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* Initializes the action and the object manager.
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*/
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_initActions: function (_actions) {
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// Generate a uid for the action and object manager
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var uid = this._widget.id||this.egw.uid();
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if(_actions == null) _actions = [];
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// Initialize the action manager and add some actions to it
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// Only look 1 level deep
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var gam = egw_getActionManager(this.egw.appName,true,1);
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if(this._actionManager == null)
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{
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this._actionManager = gam.addAction("actionManager", uid);
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}
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this._actionManager.updateActions(_actions, this.egw.appName);
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var data = this._actionManager.data;
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if (data == 'undefined' || !data)
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{
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data = {};
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}
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data.nextmatch = this._widget;
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this._actionManager.set_data(data);
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// Set the default execute handler
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var self = this;
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this._actionManager.setDefaultExecute(function (_action, _senders, _target) {
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// Get the selected ids descriptor object
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var ids = self._selectionMgr.getSelected();
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// Pass a reference to the actual widget
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if (typeof _action.data == 'undefined' || !_action.data) _action.data = {};
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_action.data.nextmatch = self._widget;
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// Call the nm_action function with the ids
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nm_action(_action, _senders, _target, ids);
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});
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// Set the 'Select All' handler
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var select_all = this._actionManager.getActionById('select_all');
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if(select_all)
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{
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select_all.set_onExecute(jQuery.proxy(function(action, selected) {
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this._selectionMgr.selectAll();
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}, this));
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}
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// Initialize the object manager - look for application
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// object manager 1 level deep
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var gom = egw_getObjectManager(this.egw.appName,true,1);
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if(this._objectManager == null)
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{
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this._objectManager = gom.addObject(
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new egwActionObjectManager(uid, this._actionManager));
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}
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this._objectManager.flags = this._objectManager.flags
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| EGW_AO_FLAG_DEFAULT_FOCUS | EGW_AO_FLAG_IS_CONTAINER;
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},
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/**
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* Overwrites the inherited _destroyCallback function in order to be able
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* to free the "rowWidget".
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*/
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_destroyCallback: function (_row) {
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// Destroy any widget associated to the row
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if (this.entry.widget)
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{
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this.entry.widget.free();
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this.entry.widget = null;
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}
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// Call the inherited function
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this._super.apply(this, arguments);
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},
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/**
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* Creates the actual data row.
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*
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* @param _data is an array containing the row data
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* @param _tr is the tr into which the data will be inserted
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* @param _idx is the index of the row
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* @param _entry is the internal row datastructure of the controller, in
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* this special case used to store the rowWidget reference, so that it can
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* be properly freed.
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*/
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_rowCallback: function (_data, _tr, _idx, _entry) {
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// Let the row provider fill in the data row -- store the returned
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// rowWidget inside the _entry
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_entry.widget = this._rowProvider.getDataRow(
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{ "content": _data }, _tr, _idx, this);
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},
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/**
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* Returns the names of action links for a given data row -- currently these are
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* always the same links, as we controll enabled/disabled over the row
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* classes, unless the row UID is "", then it's an 'empty' row.
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*
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* The empty row placeholder can still have actions, but nothing that requires
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* an actual UID.
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*
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* @TODO: Currently empty row is just add, need to actually filter somehow. Here
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* might not be the right place.
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*
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* @param _data Object The data for the row
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* @param _idx int The row index
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* @param _uid String The row's ID
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*
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* @return Array List of action names that valid for the row
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*/
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_linkCallback: function (_data, _idx, _uid) {
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if(_uid.trim() != "")
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{
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return this._actionLinks;
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}
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// No UID, so return a filtered list of actions that doesn't need a UID
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var links = [];
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try {
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links = typeof this._widget.options.settings.placeholder_actions != 'undefined' ? this._widget.options.settings.placeholder_actions : ["add"];
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} catch (e) {
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}
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return links;
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},
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/**
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* Overridden from the parent to also process any additional data that
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* the data source adds, such as readonlys and additonal content.
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* For example, non-numeric IDs in rows are added to the content manager
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*/
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_fetchCallback: function (_response) {
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var nm = this.self._widget;
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if(!nm)
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{
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// Nextmatch either not connected, or it tried to destroy this
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// but the server returned something
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return;
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}
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// Readonlys
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// Other stuff
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for(var i in _response.rows)
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{
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if(jQuery.isNumeric(i)) continue;
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if(i == 'sel_options')
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{
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var mgr = nm.getArrayMgr(i);
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for(var id in _response.rows.sel_options)
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{
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mgr.data[id] = _response.rows.sel_options[id];
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var select = nm.getWidgetById(id);
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if(select && select.set_select_options)
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{
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select.set_select_options(_response.rows.sel_options[id]);
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}
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// Clear rowProvider internal cache so it uses new values
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if(id == 'cat_id')
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{
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this.self._rowProvider.categories = null;
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}
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}
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}
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else
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{
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var mgr = nm.getArrayMgr('content');
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mgr.data[i] = _response.rows[i];
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// It's not enough to just update the data, the widgets need to
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// be updated too, if there are matching widgets.
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var widget = nm.getWidgetById(i);
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if(widget && widget.set_value)
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{
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widget.set_value(mgr.getEntry(i));
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}
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}
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}
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// If we're doing an autorefresh and the count decreases, preserve the
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// selection or it will be lost when the grid rows are shuffled. Increases
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// are fine though.
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if(this.self && this.self.kept_selection == null &&
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!this.refresh && this.self._grid.getTotalCount() > _response.total)
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{
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this.self.keepSelection();
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}
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// Call the inherited function
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this._super.apply(this, arguments);
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// Restore selection, if passed
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if(this.self && this.self.kept_selection && this.self._selectionMgr)
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{
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if(this.self.kept_selection.all)
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{
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this.self._selectionMgr.selectAll();
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}
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for(var i = 0; i < this.self.kept_selection.ids.length || 0; i++)
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{
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this.self._selectionMgr.setSelected(this.self.kept_selection.ids[i],true);
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}
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if(this.self.kept_focus)
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{
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this.self._selectionMgr.setFocused(this.self.kept_focus,true);
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}
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// Re-expanding rows handled in et2_extension_nextmatch_rowProvider
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// Expansions might still be valid, so we don't clear them
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this.self.kept_selection = null;
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this.self.kept_focus = null;
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}
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},
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/**
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* Execute the select callback when the row selection changes
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*/
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_selectCallback: function(action,senders)
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{
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if(typeof senders == "undefined")
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{
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senders = [];
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}
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if(!this._widget) return;
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this._widget.onselect.call(this._widget, action,senders);
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},
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/** -- Implementation of et2_IDataProvider -- **/
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dataFetch: function (_queriedRange, _callback, _context) {
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// Merge the parent id into the _queriedRange if it is set
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if (this._parentId !== null)
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{
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_queriedRange["parent_id"] = this._parentId;
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}
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// sub-levels dont have there own _filters object, need to use the one from parent (or it's parents parent)
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var obj = this;
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while((typeof obj._filters == 'undefined' || jQuery.isEmptyObject(obj._filters)) && obj._parentController)
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{
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obj = obj._parentController;
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}
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// Pass the fetch call to the API, multiplex the data about the
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// nextmatch instance into the call.
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this.egw.dataFetch(
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this._widget.getInstanceManager().etemplate_exec_id || this._execId,
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_queriedRange,
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obj._filters,
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this._widgetId,
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_callback,
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_context);
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},
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dataRegisterUID: function (_uid, _callback, _context) {
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this.egw.dataRegisterUID(_uid, _callback, _context,
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this._widget.getInstanceManager().etemplate_exec_id || this._execId,
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this._widgetId
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);
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},
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dataUnregisterUID: function () {
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// Overwritten in the constructor
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}
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});
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