egroupware_official/api/js/etemplate/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 $Id$
*/
/*egw:uses
et2_core_common;
et2_core_inheritance;
et2_dataview_view_row;
et2_dataview_controller;
et2_dataview_interfaces;
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et2_dataview_view_tile;
et2_extension_nextmatch_actions; // Contains nm_action
egw_data;
*/
/**
* @augments et2_dataview_controller
*/
var et2_nextmatch_controller = (function(){ "use strict"; return et2_dataview_controller.extend(et2_IDataProvider,
{
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// Display constants
VIEW_ROW: 'row',
VIEW_TILE: 'tile',
/**
* 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;
// Copy the given parameters
this._actionLinks = _actionLinks;
this._execId = _execId;
// Get full widget ID, including path
var id = _widget.getArrayMgr('content').getPath();
if(typeof id == 'string')
{
this._widgetId = id;
}
else if (id.length === 1)
{
this._widgetId = id[0];
}
else
{
this._widgetId = id.shift() + '[' + id.join('][') + ']';
}
this._parentId = _parentId;
this._rowProvider = _rowProvider;
// Initialize the action and the object manager
// _initActions calls _init_link_dnd, which uses this._actionLinks,
// so this must happen after the above parameter copying
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);
// We start with no filters
this._filters = {};
// Keep selection across filter changes
this.kept_selection = null;
this.kept_focus = null;
this.kept_expansion = [];
// Directly use the API-Implementation of dataRegisterUID and
// dataUnregisterUID
this.dataUnregisterUID = _egw.dataUnregisterUID;
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// Default to rows
this._view = et2_nextmatch_controller.prototype.VIEW_ROW;
},
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
this._filters = _filters;
},
/**
* Keep the selection, if possible, across a data fetch and restore it
* after
*/
keepSelection: function() {
this.kept_selection = this._selectionMgr ? this._selectionMgr.getSelected() : null;
this.kept_focus = this._selectionMgr && this._selectionMgr._focusedEntry ?
this._selectionMgr._focusedEntry.uid || null : null;
// Find expanded rows
var nm = this._widget;
var controller = this;
jQuery('.arrow.opened',this._widget.getDOMNode(this._widget)).each(function() {
var entry = controller.getRowByNode(this);
if(entry && entry.uid)
{
controller.kept_expansion.push(entry.uid);
}
});
},
getObjectManager: function () {
return this._objectManager;
},
/**
* Deletes a row from the grid
*
* @param {string} uid
*/
deleteRow: function(uid) {
var entry = this._selectionMgr._getRegisteredRowsEntry(uid);
// Unselect
this._selectionMgr.setSelected(uid,false);
if(entry && entry.idx !== null)
{
// This will remove the row, but add an empty to the end.
// That's OK, because it will be removed when we update the row count
this._grid.deleteRow(entry.idx);
// Trigger controller to remove from internals
this.egw.dataStoreUID(uid,null);
// Stop caring about this ID
this.egw.dataDeleteUID(uid);
// Remove from internal map
delete this._indexMap[entry.idx];
// Update the indices of all elements after the current one
for(var mapIndex = entry.idx + 1; typeof this._indexMap[mapIndex] !== 'undefined'; mapIndex++)
{
var entry = this._indexMap[mapIndex];
entry.idx = mapIndex-1;
this._indexMap[mapIndex-1] = entry;
// Update selection mgr too
if(entry.uid && typeof this._selectionMgr._registeredRows[entry.uid] !== 'undefined')
{
var reg = this._selectionMgr._getRegisteredRowsEntry(entry.uid);
reg.idx = entry.idx;
if(reg.ao && reg.ao._index) reg.ao._index = entry.idx;
}
}
// Remove last one, it was moved to mapIndex-1 before increment
delete this._indexMap[mapIndex-1];
// Not needed, they share by reference
// this._selectionMgr.setIndexMap(this._indexMap);
}
},
/** -- PRIVATE FUNCTIONS -- **/
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/**
* Create a new row, either normal or tiled
*
* @param {type} ctx
* @returns {et2_dataview_container}
*/
_createRow: function(ctx) {
switch(this._view)
{
case et2_nextmatch_controller.prototype.VIEW_TILE:
var row = new et2_dataview_tile(this._grid);
// Try to overcome chrome rendering issue where float is not
// applied properly, leading to incomplete rows
window.setTimeout(function() {
if(!row.tr) return;
row.tr.css('float','none');
window.setTimeout(function() {
if(!row.tr) return;
row.tr.css('float','left');
},50);
},100);
return row;
case et2_nextmatch_controller.prototype.VIEW_ROW:
default:
return new et2_dataview_row(this._grid);
}
},
/**
* Initializes the action and the object manager.
*/
_initActions: function (_actions) {
// Generate a uid for the action and object manager
var uid = this._widget.id||this.egw.uid();
if(_actions == null) _actions = [];
// Initialize the action manager and add some actions to it
// Only look 1 level deep
var gam = egw_getActionManager(this.egw.appName,true,1);
if(this._actionManager == null)
{
this._actionManager = gam.addAction("actionManager", uid);
}
this._actionManager.updateActions(_actions, this.egw.appName);
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 - look for application
// object manager 1 level deep
var gom = egw_getObjectManager(this.egw.appName,true,1);
if(this._objectManager == null)
{
this._objectManager = gom.addObject(
new egwActionObjectManager(uid, this._actionManager));
this._objectManager.handleKeyPress = function(_keyCode, _shift, _ctrl, _alt) {
for(var i = 0; i < self._actionManager.children.length; i++)
{
if(typeof self._actionManager.children[i].shortcut === 'object' &&
self._actionManager.children[i].shortcut &&
_keyCode == self._actionManager.children[i].shortcut.keyCode)
{
return this.executeActionImplementation(
{
"keyEvent": {
"keyCode": _keyCode,
"shift": _shift,
"ctrl": _ctrl,
"alt": _alt
}
}, "popup", EGW_AO_EXEC_SELECTED);
}
}
return egwActionObject.prototype.handleKeyPress.call(this, _keyCode,_shift,_ctrl,_alt);
}
}
this._objectManager.flags = this._objectManager.flags
| EGW_AO_FLAG_DEFAULT_FOCUS | EGW_AO_FLAG_IS_CONTAINER;
this._init_links_dnd(this._actionManager);
if(this._selectionMgr)
{
// Need to update the action links for every registered row too
for (var uid in this._selectionMgr._registeredRows)
{
// Get the corresponding entry from the registered rows array
var entry = this._selectionMgr._getRegisteredRowsEntry(uid);
if(entry.ao)
{
entry.ao.updateActionLinks(this._actionLinks);
}
}
}
},
/**
* Automatically add dnd support for linking
*/
_init_links_dnd: function() {
var mgr = this._actionManager;
var self = this;
var drop_action = mgr.getActionById('egw_link_drop');
var drag_action = mgr.getActionById('egw_link_drag');
var drop_cancel = mgr.getActionById('egw_cancel_drop');
if(!this._actionLinks)
{
this._actionLinks = [];
}
if (!drop_cancel)
{
// Create a generic cancel action in order to cancel drop action
// applied for all apps plus file and link action.
drop_cancel = mgr.addAction('drop', 'egw_cancel_drop', this.egw.lang('Cancel'), egw.image('cancel'), function(){},true);
drop_cancel.set_group('99');
drop_cancel.acceptedTypes = drop_cancel.acceptedTypes.concat(Object.keys(egw.user('apps')).concat(['link', 'file']));
this._actionLinks.push (drop_cancel.id);
}
// Check if this app supports linking
if(!egw.link_get_registry(this.dataStorePrefix || this.egw.appName, 'query') ||
egw.link_get_registry(this.dataStorePrefix || this.egw.appName, 'title'))
{
if(drop_action)
{
drop_action.remove();
if(this._actionLinks.indexOf(drop_action.id) >= 0)
{
this._actionLinks.splice(this._actionLinks.indexOf(drop_action.id),1);
}
}
if(drag_action)
{
drag_action.remove();
if(this._actionLinks.indexOf(drag_action.id) >= 0)
{
this._actionLinks.splice(this._actionLinks.indexOf(drag_action.id),1);
}
}
return;
}
// Don't re-add
if(drop_action == null)
{
// Create the drop action that links entries
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drop_action = mgr.addAction('drop', 'egw_link_drop', this.egw.lang('Create link'), egw.image('link'), function(action, source, dropped) {
// Extract link IDs
var links = [];
var id = '';
for(var i = 0; i < source.length; i++)
{
if(!source[i].id) continue;
id = source[i].id.split('::');
links.push({app: id[0] == 'filemanager' ? 'link' : id[0], id: id[1]});
}
if(!links.length)
{
return;
}
// Link the entries
self.egw.json("EGroupware\\Api\\Etemplate\\Widget\\Link::ajax_link",
dropped.id.split('::').concat([links]),
function(result) {
if(result)
{
for (var i=0; i < this._objectManager.selectedChildren.length; i++)
{
this._widget.refresh(this._objectManager.selectedChildren[i].id,'update');
}
this._widget.egw().message('Linked');
// Update the target to show the liks
this._widget.refresh(dropped.id,'update');
}
},
self,
true,
self
).sendRequest();
},true);
}
if(this._actionLinks.indexOf(drop_action.id) < 0)
{
this._actionLinks.push(drop_action.id);
}
// Accept other links, and files dragged from the filemanager
// This does not handle files dragged from the desktop. They are
// handled by et2_nextmatch, since it needs DOM stuff
if(drop_action.acceptedTypes.indexOf('link') == -1)
{
drop_action.acceptedTypes.push('link');
}
// Don't re-add
if(drag_action == null)
{
// Create drag action that allows linking
drag_action = mgr.addAction('drag', 'egw_link_drag', this.egw.lang('link'), 'link', function(action, selected) {
// Drag helper - list titles. Arbitrarily limited to 10.
var helper = jQuery(document.createElement("div"));
for(var i = 0; i < selected.length && i < 10; i++)
{
var id = selected[i].id.split('::');
var span = jQuery(document.createElement('span')).appendTo(helper);
self.egw.link_title(id[0],id[1], function(title) {
this.append(title);
this.append('<br />');
}, span);
}
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// As we wanted to have a general defaul helper interface, we return null here and not using customize helper for links
// TODO: Need to decide if we need to create a customized helper interface for links anyway
//return helper;
return null;
},true);
}
if(this._actionLinks.indexOf(drag_action.id) < 0)
{
this._actionLinks.push(drag_action.id);
}
drag_action.set_dragType('link');
},
/**
* Set the data cache prefix
* Overridden from the parent to re-check automatically the added link dnd
* since the prefix is used in support detection.
*/
setPrefix: function(prefix) {
this._super.apply(this, arguments)
this._init_links_dnd(this._actionManager);
},
/**
* 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.apply(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.
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*
* @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 : (this._widget.options.add ? ["add"] : []);
// Make sure that placeholder actions are defined and existed in client-side,
// otherwise do not set them as placeholder. for instance actions with
// attribute hideOnMobile do not get sent to client-side.
var action_search = function(current) {
if (typeof this._widget.options.actions[current] !== 'undefined') return true;
// Check children
for(var action in this._widget.options.actions)
{
action = this._widget.options.actions[action];
if( action.children && action.children[current]) return true;
}
return false;
}
links = links.filter(action_search, this);
} 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]);
}
// Clear rowProvider internal cache so it uses new values
if(id == 'cat_id')
{
this.self._rowProvider.categories = null;
}
// update array mgr so select widgets in row also get refreshed options
nm.getParent().getArrayMgr('sel_options').data[id] = _response.rows.sel_options[id];
}
}
else
{
var mgr = nm.getArrayMgr('content');
mgr.data[i] = _response.rows[i];
// It's not enough to just update the data, the widgets need to
// be updated too, if there are matching widgets.
var widget = nm.getWidgetById(i);
if(widget && widget.set_value)
{
widget.set_value(mgr.getEntry(i));
}
}
}
// Might be trying to disable a column
var col_refresh = false;
for(var column_index = 0; column_index < nm.columns.length; column_index++)
{
if(typeof nm.columns[column_index].disabled === 'string' &&
nm.columns[column_index].disabled[0] === '@')
{
col_refresh = true;
nm.dataview.columnMgr.getColumnById('col_'+column_index)
.set_visibility(
nm.getArrayMgr('content').parseBoolExpression(nm.columns[column_index].disabled) ?
ET2_COL_VISIBILITY_DISABLED :
nm.columns[column_index].visible
);
}
}
if(col_refresh)
{
nm.dataview.columnMgr.updated = true;
nm.dataview._updateColumns();
}
// If we're doing an autorefresh and the count decreases, preserve the
// selection or it will be lost when the grid rows are shuffled. Increases
// are fine though.
if(this.self && this.self.kept_selection == null &&
!this.refresh && this.self._grid.getTotalCount() > _response.total)
{
this.self.keepSelection();
}
// Call the inherited function
this._super.apply(this, arguments);
// Restore selection, if passed
if(this.self && this.self.kept_selection && this.self._selectionMgr)
{
if(this.self.kept_selection.all)
{
this.self._selectionMgr.selectAll();
}
for(var i = (this.self.kept_selection.ids.length || 1)-1; i >= 0; i--)
{
// Only keep the selected if they came back in the fetch
if(_response.order.indexOf(this.self.kept_selection.ids[i]) >= 0)
{
this.self._selectionMgr.setSelected(this.self.kept_selection.ids[i],true);
this.self.kept_selection.ids.splice(i,1);
}
else
{
this.self.kept_selection.ids.splice(i,1);
}
}
if(this.self.kept_focus && _response.order.indexOf(this.self.kept_focus) >= 0)
{
this.self._selectionMgr.setFocused(this.self.kept_focus,true);
}
// Re-expanding rows handled in et2_extension_nextmatch_rowProvider
// Expansions might still be valid, so we don't clear them
if(this.self.kept_selection != null && typeof this.self.kept_selection.ids != 'undefined' && this.self.kept_selection.ids.length == 0)
{
this.self.kept_selection = null;
}
this.self.kept_focus = null;
}
},
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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;
// inform mobile framework about nm selections, need to update status of header objects on selection
if (egwIsMobile()) framework.nm_onselect_ctrl(this._widget, action, senders);
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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}
// sub-levels dont have there own _filters object, need to use the one from parent (or it's parents parent)
var obj = this;
while((typeof obj._filters == 'undefined' || jQuery.isEmptyObject(obj._filters)) && obj._parentController)
{
obj = obj._parentController;
}
// 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,
obj._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
}
});}).call(this);