egroupware_official/etemplate/js/et2_extension_nextmatch_controller.js

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/**
* EGroupware eTemplate2 - Class which contains a the data model for nextmatch widgets
*
* @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
* @package etemplate
* @subpackage api
* @link http://www.egroupware.org
* @author Andreas Stöckel
* @copyright Stylite 2012
* @version $Id$
*/
"use strict";
/*egw:uses
et2_core_common;
et2_core_inheritance;
et2_dataview_view_row;
et2_dataview_controller;
et2_dataview_interfaces;
et2_extension_nextmatch_actions; // Contains nm_action
egw_data;
*/
/**
* @augments et2_dataview_controller
*/
var et2_nextmatch_controller = et2_dataview_controller.extend(et2_IDataProvider,
{
/**
* Initializes the nextmatch controller.
*
* @param _parentController is the parent nextmatch controller instance
* @param _egw is the api instance
* @param _execId is the execId of the etemplate
* @param _widget is the nextmatch-widget we are fetching data for.
* @param _grid is the grid the grid controller will be controlling
* @param _rowProvider is the nextmatch row provider instance.
* @param _objectManager is the parent object manager (if null, the object
* manager) will be created using
* @param _actionLinks contains the action links
* @param _actions contains the actions, may be null if an object manager
* is given.
* @memberOf et2_nextmatch_controller
*/
init: function (_parentController, _egw, _execId, _widget, _parentId,
_grid, _rowProvider, _actionLinks, _objectManager, _actions) {
// Copy the egw reference
this.egw = _egw;
// Keep a reference to the widget
this._widget = _widget;
// Initialize the action and the object manager
if (!_objectManager)
{
this._initActions(_actions);
}
else
{
this._actionManager = null;
this._objectManager = _objectManager;
}
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// Add our selection callback to selection manager
var self = this;
this._objectManager.setSelectedCallback = function() {self._selectCallback.apply(self,[this,arguments]);};
// Call the parent et2_dataview_controller constructor
this._super(_parentController, _grid, this, this._rowCallback,
this._linkCallback, this, this._objectManager);
// Copy the given parameters
this._actionLinks = _actionLinks;
this._execId = _execId;
this._widgetId = _widget.id;
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this._parentId = _parentId;
this._rowProvider = _rowProvider;
// We start with no filters
this._filters = {};
// Directly use the API-Implementation of dataRegisterUID and
// dataUnregisterUID
this.dataUnregisterUID = _egw.dataUnregisterUID;
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},
destroy: function () {
// If the actionManager variable is set, the object- and actionManager
// were created by this instance -- clear them
if (this._actionManager)
{
this._objectManager.remove();
this._actionManager.remove();
}
this._super();
},
/**
* Updates the filter instance.
*/
setFilters: function (_filters) {
// Update the filters, reset the "lastModification"
this._filters = _filters;
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this._lastModification = null;
},
getObjectManager: function () {
return this._objectManager;
},
/** -- PRIVATE FUNCTIONS -- **/
/**
* Initializes the action and the object manager.
*/
_initActions: function (_actions) {
// Generate a uid for the action and object manager
var uid = this.egw.uid();
if(_actions == null) _actions = [];
// Initialize the action manager and add some actions to it
var gam = egw_getActionManager(this.egw.appName);
this._actionManager = gam.addAction("actionManager", uid);
this._actionManager.updateActions(_actions);
var data = this._actionManager.data;
if (data == 'undefined' || !data)
{
data = {};
}
data.nextmatch = this._widget;
this._actionManager.set_data(data);
// Set the default execute handler
var self = this;
this._actionManager.setDefaultExecute(function (_action, _senders, _target) {
// Get the selected ids descriptor object
var ids = self._selectionMgr.getSelected();
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// Pass a reference to the actual widget
if (typeof _action.data == 'undefined' || !_action.data) _action.data = {};
_action.data.nextmatch = self._widget;
// Call the nm_action function with the ids
nm_action(_action, _senders, _target, ids);
});
// Set the 'Select All' handler
var select_all = this._actionManager.getActionById('select_all');
if(select_all)
{
select_all.set_onExecute(jQuery.proxy(function(action, selected) {
this._selectionMgr.selectAll();
}, this));
}
// Initialize the object manager
var gom = egw_getObjectManager(this.egw.appName);
this._objectManager = gom.addObject(
new egwActionObjectManager(uid, this._actionManager));
this._objectManager.flags = this._objectManager.flags
| EGW_AO_FLAG_DEFAULT_FOCUS | EGW_AO_FLAG_IS_CONTAINER;
},
/**
* Overwrites the inherited _destroyCallback function in order to be able
* to free the "rowWidget".
*/
_destroyCallback: function (_row) {
// Destroy any widget associated to the row
if (this.entry.widget)
{
this.entry.widget.free();
this.entry.widget = null;
}
// Call the inherited function
this._super.call(this, arguments);
},
/**
* Creates the actual data row.
*
* @param _data is an array containing the row data
* @param _tr is the tr into which the data will be inserted
* @param _idx is the index of the row
* @param _entry is the internal row datastructure of the controller, in
* this special case used to store the rowWidget reference, so that it can
* be properly freed.
*/
_rowCallback: function (_data, _tr, _idx, _entry) {
// Let the row provider fill in the data row -- store the returned
// rowWidget inside the _entry
_entry.widget = this._rowProvider.getDataRow(
{ "content": _data }, _tr, _idx, this);
},
/**
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* Returns the names of action links for a given data row -- currently these are
* 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.
*
* The empty row placeholder can still have actions, but nothing that requires
* an actual UID.
*
* @TODO: Currently empty row is just add, need to actually filter somehow. Here
* might not be the right place.
*
* @param _data Object The data for the row
* @param _idx int The row index
* @param _uid String The row's ID
*
* @return Array List of action names that valid for the row
*/
_linkCallback: function (_data, _idx, _uid) {
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if(_uid.trim() != "")
{
return this._actionLinks;
}
// No UID, so return a filtered list of actions that doesn't need a UID
var links = [];
try {
links = typeof this._widget.options.settings.placeholder_actions != 'undefined' ? this._widget.options.settings.placeholder_actions : ["add"];
} catch (e) {
}
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return links;
},
/**
* Overridden from the parent to also process any additional data that
* the data source adds, such as readonlys and additonal content.
* For example, non-numeric IDs in rows are added to the content manager
*/
_fetchCallback: function (_response) {
var nm = this.self._widget;
if(!nm)
{
// Nextmatch either not connected, or it tried to destroy this
// but the server returned something
return;
}
// Readonlys
// Other stuff
for(var i in _response.rows)
{
if(jQuery.isNumeric(i)) continue;
if(i == 'sel_options')
{
var mgr = nm.getArrayMgr(i);
for(var id in _response.rows.sel_options)
{
mgr.data[id] = _response.rows.sel_options[id];
var select = nm.getWidgetById(id);
if(select && select.set_select_options)
{
select.set_select_options(_response.rows.sel_options[id]);
}
}
}
else
{
var mgr = nm.getArrayMgr('content');
mgr.data[i] = _response.rows[i];
}
}
// Call the inherited function
this._super.apply(this, arguments);
},
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/**
* Execute the select callback when the row selection changes
*/
_selectCallback: function(action,senders)
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{
if(typeof senders == "undefined")
{
senders = [];
}
if(!this._widget) return;
this._widget.onselect.call(this._widget, action,senders);
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},
/** -- Implementation of et2_IDataProvider -- **/
dataFetch: function (_queriedRange, _callback, _context) {
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// Merge the parent id into the _queriedRange if it is set
if (this._parentId !== null)
{
_queriedRange["parent_id"] = this._parentId;
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}
// Pass the fetch call to the API, multiplex the data about the
// nextmatch instance into the call.
this.egw.dataFetch(
this._widget.getInstanceManager().etemplate_exec_id || this._execId,
_queriedRange,
this._filters,
this._widgetId,
_callback,
_context);
},
dataRegisterUID: function (_uid, _callback, _context) {
this.egw.dataRegisterUID(_uid, _callback, _context,
this._widget.getInstanceManager().etemplate_exec_id || this._execId,
this._widgetId
);
},
dataUnregisterUID: function () {
// Overwritten in the constructor
}
});