mirror of
https://github.com/EGroupware/egroupware.git
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721 lines
18 KiB
TypeScript
721 lines
18 KiB
TypeScript
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/**
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* EGroupware eTemplate2
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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 dataview
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* @link http://www.egroupware.org
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* @author Andreas Stöckel
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* @copyright Stylite 2011-2012
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*
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/*egw:uses
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et2_dataview_view_aoi;
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egw_action.egw_keymanager;
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*/
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/**
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* The selectioManager is internally used by the et2_dataview_controller class
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* to manage the row selection.
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* As the action system does not allow selection of entries which are currently
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* not in the dom tree, we have to manage this in this class. The idea is to
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* manage an external action object interface for each visible row and proxy all
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* state changes between an dummy action object, that does no selection handling,
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* and the external action object interface.
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*
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* @augments Class
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*/
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export class et2_dataview_selectionManager
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{
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// Maximum number of rows we can safely fetch for selection
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// Actual selection may have more rows if we already have some
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public static readonly MAX_SELECTION = 1000;
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private _parent: any;
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private _indexMap: any;
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private _actionObjectManager: any;
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private _makeVisibleCallback: any;
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private _queryRangeCallback: any;
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private select_callback: null;
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private _context: any;
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private _registeredRows: {};
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private _focusedEntry: null;
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private _invertSelection: boolean;
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private _selectAll: boolean;
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private _inUpdate: boolean;
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private _total: number;
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private _children: any[];
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/**
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* Constructor
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*
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* @param _parent
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* @param _indexMap
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* @param _actionObjectManager
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* @param _queryRangeCallback
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* @param _makeVisibleCallback
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* @param _context
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* @memberOf et2_dataview_selectionManager
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*/
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constructor(_parent, _indexMap, _actionObjectManager,
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_queryRangeCallback, _makeVisibleCallback, _context)
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{
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// Copy the arguments
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this._parent = _parent;
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this._indexMap = _indexMap;
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this._actionObjectManager = _actionObjectManager;
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this._queryRangeCallback = _queryRangeCallback;
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this._makeVisibleCallback = _makeVisibleCallback;
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this._context = _context;
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// Attach this manager to the parent manager if one is given
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if (this._parent)
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{
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this._parent._children.push(this);
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}
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// Use our selection instead of object manager's to handle not-loaded rows
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if(_actionObjectManager)
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{
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this._actionObjectManager.getAllSelected = jQuery.proxy(
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this.getAllSelected, this
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);
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}
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// Internal map which contains all curently selected uids and their
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// state
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this._registeredRows = {};
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this._focusedEntry = null;
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this._invertSelection = false;
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this._selectAll = false;
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this._inUpdate = false;
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this._total = 0;
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this._children = [];
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// Callback for when the selection changes
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this.select_callback = null;
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}
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destroy( )
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{
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// If we have a parent, unregister from that
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if (this._parent)
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{
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var idx = this._parent._children.indexOf(this);
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this._parent._children.splice(idx, 1);
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}
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// Destroy all children
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for (var i = this._children.length - 1; i >= 0; i--)
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{
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this._children[i].destroy();
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}
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// Delete all still registered rows
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for (var key in this._registeredRows)
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{
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this.unregisterRow(key, this._registeredRows[key].tr);
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}
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this.select_callback = null;
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}
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clear( )
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{
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for (var key in this._registeredRows)
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{
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this.unregisterRow(key, this._registeredRows[key].tr);
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delete this._registeredRows[key];
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}
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if(this._actionObjectManager)
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{
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this._actionObjectManager.clear();
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}
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for (key in this._indexMap) {
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delete this._indexMap[key];
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}
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this._total = 0;
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this._focusedEntry = null;
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this._invertSelection = false;
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this._selectAll = false;
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this._inUpdate = false;
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}
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setIndexMap( _indexMap)
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{
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this._indexMap = _indexMap;
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}
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setTotalCount( _total)
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{
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this._total = _total;
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}
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registerRow( _uid, _idx, _tr, _links)
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{
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// Get the corresponding entry from the registered rows array
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var entry = this._getRegisteredRowsEntry(_uid);
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// If the row has changed unregister the old one and do not delete
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// entry from the entry map
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if (entry.tr && entry.tr !== _tr) {
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this.unregisterRow(_uid, entry.tr, true);
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}
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// Create the AOI for the tr
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if (!entry.tr && _links)
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{
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this._attachActionObjectInterface(entry, _tr, _uid);
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this._attachActionObject(entry, _tr, _uid, _links, _idx);
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}
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// Update the entry
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if(entry.ao) entry.ao._index;
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entry.idx = _idx;
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entry.tr = _tr;
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// Update the visible state of the _tr
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this._updateEntryState(entry, entry.state);
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}
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unregisterRow( _uid, _tr, _noDelete? : boolean)
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{
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// _noDelete defaults to false
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_noDelete = _noDelete ? true : false;
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if (typeof this._registeredRows[_uid] !== "undefined"
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&& this._registeredRows[_uid].tr === _tr)
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{
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this._inUpdate = true;
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this._registeredRows[_uid].tr = null;
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this._registeredRows[_uid].aoi = null;
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// Remove the action object from its container
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if (this._registeredRows[_uid].ao)
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{
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this._registeredRows[_uid].ao.remove();
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this._registeredRows[_uid].ao = null;
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}
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if (!_noDelete
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&& this._registeredRows[_uid].state === EGW_AO_STATE_NORMAL)
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{
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delete this._registeredRows[_uid];
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}
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this._inUpdate = false;
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}
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}
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resetSelection( )
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{
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this._invertSelection = false;
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this._selectAll = false;
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this._actionObjectManager.setAllSelected(false);
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for (var key in this._registeredRows)
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{
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this.setSelected(key, false);
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}
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for(var i = 0; i < this._children.length; i++)
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{
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this._children[i].resetSelection();
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}
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}
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setSelected( _uid, _selected)
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{
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this._selectAll = false;
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var entry = this._getRegisteredRowsEntry(_uid);
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this._updateEntryState(entry,
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egwSetBit(entry.state, EGW_AO_STATE_SELECTED, _selected));
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}
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getAllSelected()
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{
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var selected = this.getSelected();
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return selected.all || (selected.ids.length === this._total);
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}
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setFocused( _uid, _focused)
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{
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// Reset the state of the currently focused entry
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if (this._focusedEntry)
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{
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this._updateEntryState(this._focusedEntry,
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egwSetBit(this._focusedEntry.state, EGW_AO_STATE_FOCUSED,
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false));
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this._focusedEntry = null;
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}
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// Mark the new given uid as focused
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if (_focused)
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{
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//console.log('et2_dataview_controller_selection::setFocused -> UID:'+_uid+' is focused by:'+this._actionObjectManager.name);
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var entry = this._focusedEntry = this._getRegisteredRowsEntry(_uid);
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this._updateEntryState(entry,
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egwSetBit(entry.state, EGW_AO_STATE_FOCUSED, true));
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}
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}
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selectAll( )
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{
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// Reset the selection
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this.resetSelection();
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this._selectAll = true;
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// Run as a range if there's less then the max
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if(egw.dataKnownUIDs(this._context._dataProvider.dataStorePrefix).length !== this._total &&
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this._total <= et2_dataview_selectionManager.MAX_SELECTION
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)
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{
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this._selectRange(0, this._total);
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}
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// Tell action manager to do all
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this._actionObjectManager.setAllSelected(true);
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// Update the selection
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for (var key in this._registeredRows)
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{
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var entry = this._registeredRows[key];
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this._updateEntryState(entry, entry.state);
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}
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this._selectAll = true;
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}
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getSelected( )
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{
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// Collect all currently selected ids
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var ids = [];
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for (var key in this._registeredRows)
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{
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if (egwBitIsSet(this._registeredRows[key].state, EGW_AO_STATE_SELECTED))
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{
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ids.push(key);
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}
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}
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// Push all events of the child managers onto the list
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for (var i = 0; i < this._children.length; i++)
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{
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ids = ids.concat(this._children[i].getSelected().ids);
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}
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// Return an array containing those ids
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// RB: we are currently NOT using "inverted"
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return {
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//"inverted": this._invertSelection,
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"all": this._selectAll,
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"ids": ids
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};
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}
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/** -- PRIVATE FUNCTIONS -- **/
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_attachActionObjectInterface( _entry, _tr, _uid)
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{
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// Create the AOI which is used internally in the selection manager
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// this AOI is not connected to the AO, as the selection manager
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// cares about selection etc.
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_entry.aoi = new et2_dataview_rowAOI(_tr);
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_entry.aoi.setStateChangeCallback(
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function (_newState, _changedBit, _shiftState) {
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if (_changedBit === EGW_AO_STATE_SELECTED)
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{
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// Call the select handler
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this._handleSelect(
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_uid,
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_entry,
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egwBitIsSet(_shiftState, EGW_AO_SHIFT_STATE_BLOCK),
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egwBitIsSet(_shiftState, EGW_AO_SHIFT_STATE_MULTI)
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);
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}
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}, this);
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}
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_getDummyAOI( _entry, _tr, _uid, _idx)
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{
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// Create AOI
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var dummyAOI = new egwActionObjectInterface();
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var self = this;
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// Handling for Action Implementations updating the state
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dummyAOI.doSetState = function (_state) {
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if (!self._inUpdate)
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{
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// Update the "focused" flag
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self.setFocused(_uid, egwBitIsSet(_state, EGW_AO_STATE_FOCUSED));
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// Generally update the state
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self._updateState(_uid, _state);
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}
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};
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// Handle the "make visible" event, pass the request to the parent
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// controller
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dummyAOI.doMakeVisible = function () {
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self._makeVisibleCallback.call(self._context, _idx);
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};
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// Connect the the two AOIs
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dummyAOI.doTriggerEvent = _entry.aoi.doTriggerEvent;
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// Implementation of the getDOMNode function, so that the event
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// handlers can be properly bound
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dummyAOI.getDOMNode = function () { return _tr; };
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return dummyAOI;
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}
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_attachActionObject( _entry, _tr, _uid, _links, _idx)
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{
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// Get the dummyAOI which connects the action object to the tr but
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// does no selection handling
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var dummyAOI = this._getDummyAOI(_entry, _tr, _uid, _idx);
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// Create an action object for the tr and connect it to a dummy AOI
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if(this._actionObjectManager)
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{
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if(this._actionObjectManager.getObjectById(_uid))
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{
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var state = _entry.state;
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this._actionObjectManager.getObjectById(_uid).remove();
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_entry.state = state;
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}
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_entry.ao = this._actionObjectManager.addObject(_uid, dummyAOI);
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}
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// Force context (actual widget) in here, it's the last place it's available
|
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_entry.ao._context = this._context;
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_entry.ao.updateActionLinks(_links);
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_entry.ao._index = _idx;
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// Overwrite some functions like "traversePath", "getNext" and
|
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// "getPrevious"
|
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var self = this;
|
||
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function getIndexAO (_idx) {
|
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// Check whether the index is in the index map
|
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if (typeof self._indexMap[_idx] !== "undefined"
|
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&& self._indexMap[_idx].uid)
|
||
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{
|
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return self._getRegisteredRowsEntry(self._indexMap[_idx].uid).ao;
|
||
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}
|
||
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|
||
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return null;
|
||
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}
|
||
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|
||
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function getElementRelatively (_step) {
|
||
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var total = self._total || Object.keys(self._indexMap).length;
|
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var max_index = Math.max.apply(Math,Object.keys(self._indexMap));
|
||
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// Get a reasonable number of iterations - not all
|
||
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var count = Math.max(1,Math.min(self._total,50));
|
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var element = null;
|
||
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var idx = _entry.idx;
|
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while(element == null && count > 0 && max_index > 0)
|
||
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{
|
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count--;
|
||
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element = getIndexAO(Math.max(0,
|
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Math.min(max_index, idx += _step)));
|
||
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}
|
||
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return element;
|
||
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}
|
||
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|
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_entry.ao.getPrevious = function (_step) {
|
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return getElementRelatively(-_step);
|
||
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};
|
||
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|
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_entry.ao.getNext = function (_step) {
|
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return getElementRelatively(_step);
|
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};
|
||
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|
||
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_entry.ao.traversePath = function (_obj) {
|
||
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// Get the start and the stop index
|
||
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var s = Math.min(this._index, _obj._index);
|
||
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var e = Math.max(this._index, _obj._index);
|
||
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|
||
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var result = [];
|
||
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for (var i = s; i < e; i++)
|
||
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{
|
||
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var ao = getIndexAO(i);
|
||
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if (ao)
|
||
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{
|
||
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result.push(ao);
|
||
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}
|
||
|
}
|
||
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|
||
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return result;
|
||
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};
|
||
|
}
|
||
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|
||
|
_updateState( _uid, _state)
|
||
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{
|
||
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var entry = this._getRegisteredRowsEntry(_uid);
|
||
|
|
||
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this._updateEntryState(entry, _state);
|
||
|
|
||
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return entry;
|
||
|
}
|
||
|
|
||
|
_updateEntryState( _entry, _state)
|
||
|
{
|
||
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|
||
|
if (this._selectAll)
|
||
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{
|
||
|
_state |= EGW_AO_STATE_SELECTED;
|
||
|
}
|
||
|
else if (this._invertSelection)
|
||
|
{
|
||
|
_state ^= EGW_AO_STATE_SELECTED;
|
||
|
}
|
||
|
|
||
|
// Attach ao if not there, happens for rows loaded for selection, but
|
||
|
// not displayed yet
|
||
|
if(!_entry.ao && _entry.uid && this._actionObjectManager)
|
||
|
{
|
||
|
var _links = [];
|
||
|
for (var key in this._registeredRows)
|
||
|
{
|
||
|
if(this._registeredRows[key].ao && this._registeredRows[key].ao.actionLinks)
|
||
|
{
|
||
|
_links = this._registeredRows[key].ao.actionLinks;
|
||
|
break;
|
||
|
}
|
||
|
}
|
||
|
if(_links)
|
||
|
{
|
||
|
this._attachActionObjectInterface(_entry, null, _entry.uid);
|
||
|
this._attachActionObject(_entry, null, _entry.uid, _links, _entry.idx);
|
||
|
}
|
||
|
}
|
||
|
|
||
|
// Update the state if it has changed
|
||
|
if ((_entry.aoi && _entry.aoi.getState() !== _state) || _entry.state != _state)
|
||
|
{
|
||
|
this._inUpdate = true; // Recursion prevention
|
||
|
|
||
|
// Update the state of the action object
|
||
|
if (_entry.ao)
|
||
|
{
|
||
|
_entry.ao.setSelected(egwBitIsSet(_state, EGW_AO_STATE_SELECTED));
|
||
|
_entry.ao.setFocused(egwBitIsSet(_state, EGW_AO_STATE_FOCUSED));
|
||
|
}
|
||
|
|
||
|
this._inUpdate = false;
|
||
|
|
||
|
// Delete the element if state was set to "NORMAL" and there is
|
||
|
// no tr
|
||
|
if (_state === EGW_AO_STATE_NORMAL && !_entry.tr)
|
||
|
{
|
||
|
delete this._registeredRows[_entry.uid];
|
||
|
}
|
||
|
}
|
||
|
|
||
|
// Update the visual state
|
||
|
if (_entry.aoi && _entry.aoi.doSetState)
|
||
|
{
|
||
|
_entry.aoi.doSetState(_state);
|
||
|
}
|
||
|
|
||
|
// Update the state of the entry
|
||
|
_entry.state = _state;
|
||
|
}
|
||
|
|
||
|
_getRegisteredRowsEntry( _uid)
|
||
|
{
|
||
|
if (typeof this._registeredRows[_uid] === "undefined")
|
||
|
{
|
||
|
this._registeredRows[_uid] = {
|
||
|
"uid": _uid,
|
||
|
"idx": null,
|
||
|
"state": EGW_AO_STATE_NORMAL,
|
||
|
"tr": null,
|
||
|
"aoi": null,
|
||
|
"ao": null
|
||
|
};
|
||
|
}
|
||
|
|
||
|
return this._registeredRows[_uid];
|
||
|
}
|
||
|
|
||
|
_handleSelect( _uid, _entry, _shift, _ctrl)
|
||
|
{
|
||
|
// If not "_ctrl" is set, reset the selection
|
||
|
if (!_ctrl)
|
||
|
{
|
||
|
var top = this;
|
||
|
while(top._parent !== null)
|
||
|
{
|
||
|
top = top._parent;
|
||
|
}
|
||
|
top.resetSelection();
|
||
|
this._actionObjectManager.setAllSelected(false); // needed for hirachical stuff
|
||
|
}
|
||
|
|
||
|
// Mark the element that was clicked as selected
|
||
|
var entry = this._getRegisteredRowsEntry(_uid);
|
||
|
this.setSelected(_uid,
|
||
|
!_ctrl || !egwBitIsSet(entry.state, EGW_AO_STATE_SELECTED));
|
||
|
|
||
|
// Focus the element if shift is not pressed
|
||
|
if (!_shift)
|
||
|
{
|
||
|
this.setFocused(_uid, true);
|
||
|
}
|
||
|
else if (this._focusedEntry)
|
||
|
{
|
||
|
this._selectRange(this._focusedEntry.idx, _entry.idx);
|
||
|
}
|
||
|
|
||
|
if(this.select_callback && typeof this.select_callback == "function")
|
||
|
{
|
||
|
this.select_callback.apply(this._context, arguments);
|
||
|
}
|
||
|
}
|
||
|
|
||
|
_selectRange( _start, _stop)
|
||
|
{
|
||
|
// Contains ranges that are not currently in the index map and that have
|
||
|
// to be queried
|
||
|
var queryRanges = [];
|
||
|
|
||
|
// Iterate over the given range and select the elements in the range
|
||
|
// from _start to _stop
|
||
|
var naStart = false;
|
||
|
var s = Math.min(_start, _stop);
|
||
|
var e = Math.max(_stop, _start);
|
||
|
var RANGE_MAX = 50;
|
||
|
var range_break = s + RANGE_MAX;
|
||
|
for (var i = s; i <= e; i++)
|
||
|
{
|
||
|
if (typeof this._indexMap[i] !== "undefined" &&
|
||
|
this._indexMap[i].uid && egw.dataGetUIDdata(this._indexMap[i].uid))
|
||
|
{
|
||
|
// Add the range to the "queryRanges"
|
||
|
if (naStart !== false)
|
||
|
{
|
||
|
queryRanges.push(et2_bounds(naStart, i - 1));
|
||
|
naStart = false;
|
||
|
range_break += RANGE_MAX;
|
||
|
}
|
||
|
|
||
|
// Select the element, unless flagged for exclusion
|
||
|
// Check for no_actions flag via data
|
||
|
var data = egw.dataGetUIDdata(this._indexMap[i].uid);
|
||
|
if(data && data.data && !data.data.no_actions)
|
||
|
{
|
||
|
this.setSelected(this._indexMap[i].uid, true);
|
||
|
}
|
||
|
}
|
||
|
else if (naStart === false)
|
||
|
{
|
||
|
naStart = i;
|
||
|
range_break = naStart + RANGE_MAX;
|
||
|
}
|
||
|
else if(i >= range_break)
|
||
|
{
|
||
|
queryRanges.push(et2_bounds(naStart ? naStart : s, i - 1));
|
||
|
naStart = i;
|
||
|
range_break += RANGE_MAX;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
// Add the last range to the "queryRanges"
|
||
|
if (naStart !== false)
|
||
|
{
|
||
|
queryRanges.push(et2_bounds(naStart, i - 1));
|
||
|
naStart = false;
|
||
|
}
|
||
|
|
||
|
// Query all unknown ranges from the server
|
||
|
if(queryRanges.length > 0)
|
||
|
{
|
||
|
this._query_ranges(queryRanges);
|
||
|
}
|
||
|
}
|
||
|
|
||
|
_query_ranges(queryRanges)
|
||
|
{
|
||
|
var that = this;
|
||
|
var record_count = 0;
|
||
|
var range_index = 0;
|
||
|
var range_count = queryRanges.length;
|
||
|
var cont = true;
|
||
|
var fetchPromise = new Promise(function (resolve) {
|
||
|
resolve();
|
||
|
});
|
||
|
// Found after dialog loads
|
||
|
var progressbar;
|
||
|
|
||
|
var parent = et2_dialog._create_parent();
|
||
|
var dialog = et2_createWidget("dialog", {
|
||
|
callback:
|
||
|
// Abort the long task if they canceled the data load
|
||
|
function() {cont = false},
|
||
|
template: egw.webserverUrl+'/api/templates/default/long_task.xet',
|
||
|
message: egw.lang('Loading'),
|
||
|
title: egw.lang('please wait...'),
|
||
|
buttons: [{"button_id": et2_dialog.CANCEL_BUTTON,"text": egw.lang('cancel'),id: 'dialog[cancel]',image: 'cancel'}],
|
||
|
width: 300
|
||
|
}, parent);
|
||
|
jQuery(dialog.template.DOMContainer).on('load', function() {
|
||
|
// Get access to template widgets
|
||
|
progressbar = dialog.template.widgetContainer.getWidgetById('progressbar');
|
||
|
});
|
||
|
|
||
|
for (var i = 0; i < queryRanges.length; i++)
|
||
|
{
|
||
|
if(record_count + (queryRanges[i].bottom - queryRanges[i].top+1) > that.MAX_SELECTION)
|
||
|
{
|
||
|
egw.message(egw.lang('Too many rows selected.<br />Select all, or less than %1 rows', that.MAX_SELECTION));
|
||
|
break;
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
record_count += (queryRanges[i].bottom - queryRanges[i].top+1);
|
||
|
fetchPromise = fetchPromise.then((function ()
|
||
|
{
|
||
|
// Check for abort
|
||
|
if(!cont) return;
|
||
|
|
||
|
return new Promise(function(resolve) {
|
||
|
that._queryRangeCallback.call(that._context, this,
|
||
|
function (_order) {
|
||
|
for (var j = 0; j < _order.length; j++)
|
||
|
{
|
||
|
// Check for no_actions flag via data since entry isn't there/available
|
||
|
var data = egw.dataGetUIDdata(_order[j]);
|
||
|
if(!data || data && data.data && !data.data.no_actions)
|
||
|
{
|
||
|
var entry = this._getRegisteredRowsEntry(_order[j]);
|
||
|
this._updateEntryState(entry,
|
||
|
egwSetBit(entry.state, EGW_AO_STATE_SELECTED, true));
|
||
|
}
|
||
|
}
|
||
|
progressbar.set_value(100*(++range_index/range_count));
|
||
|
resolve();
|
||
|
}, that);
|
||
|
}.bind(this));
|
||
|
}).bind(queryRanges[i]));
|
||
|
}
|
||
|
}
|
||
|
fetchPromise.finally(function() {
|
||
|
dialog.destroy();
|
||
|
});
|
||
|
}
|
||
|
|
||
|
}
|
||
|
|