internal void OnCancelingEdit(DataGridItemHandledEventArgs e)
{
if (this.CancelingEdit != null)
{
this.CancelingEdit(this, e);
}
}
internal void OnCancelingNewItem(DataGridItemHandledEventArgs e)
{
if (this.CancelingNewItem != null)
{
this.CancelingNewItem(this, e);
}
}
/// <summary>
/// Handler cancels editing object.
/// </summary>
/// <param name="sender">Data grid control sender.</param>
/// <param name="e">Item event erags.</param>
private void _DataGridCollectionViewSourceCancelingEdit(object sender, DataGridItemHandledEventArgs e)
{
// Remove handler to PropertyChanged (was added before for support editing bool fields by single click and save changes).
((INotifyPropertyChanged)e.Item).PropertyChanged -= _RoutesGridObjectPropertyChanged;
e.Handled = true;
_handler.CancelEditItem(e);
}
/// <summary>
/// Handler for the Xceed.Wpf.DataGrid.DataGridCollectionViewSource.CancelingNewItem event.
/// </summary>
/// <param name="sender">DataGridCollectionViewSource object.</param>
/// <param name="e">Event arguments.</param>
private void _DataGridCollectionViewSourceCancelingNewItem(object sender, DataGridItemHandledEventArgs e)
{
_isEdititngInProgress = false;
// Make the "Delete" button disabled.
_buttonDelete.IsEnabled = false;
// Manually handling the insertion of new items requires that the CreatingNewItem,
// CommitingNewItem, and CancelingNewItem events must all be handled even if nothing
// is done in the event.
// Set property to true otherwise an InvalidOperationException will be thrown
// (see http://doc.xceedsoft.com/products/XceedWpfDataGrid/Inserting_Data.html).
e.Handled = true;
}
public virtual void CancelNew()
{
if( m_currentAddItem == null )
return;
object currentAddItem = m_currentAddItem;
this.QueueOperationForAddNew = true;
try
{
DataGridItemHandledEventArgs cancelingNewItemEventArgs = new DataGridItemHandledEventArgs( this, currentAddItem );
this.RootDataGridCollectionViewBase.OnCancelingNewItem( cancelingNewItemEventArgs );
if( this.CreatingNewItemIsManuallyHandled != cancelingNewItemEventArgs.Handled )
throw new InvalidOperationException( "When manually handling the item-insertion process the CreatingNewItem, CommittingNewItem, and CancelingNewItem events must all be handled." );
if( !cancelingNewItemEventArgs.Handled )
{
if( !this.HasSource )
throw new InvalidOperationException( "The CancelingNewItem event must be handled when not using an underlying data source." );
ItemsSourceHelper.CancelNewDataItem(
this.Enumeration,
null,
m_currentAddItem,
m_currentAddItemPosition );
}
this.SetCurrentAddNew( null, -1 );
}
finally
{
this.QueueOperationForAddNew = false;
}
if( m_deferredAddNewOperationManager != null )
{
m_deferredAddNewOperationManager.PurgeAddWithRemoveOrReplace();
DeferredOperationManager deferredOperationManager = this.DeferredOperationManager;
lock( deferredOperationManager )
{
if( this.ShouldDeferOperation )
{
deferredOperationManager.Combine( m_deferredAddNewOperationManager );
}
else
{
m_deferredAddNewOperationManager.Process();
}
}
m_deferredAddNewOperationManager = null;
}
DataGridItemEventArgs itemEventArgs = new DataGridItemEventArgs( this, currentAddItem );
m_rootDataGridCollectionViewBase.OnNewItemCanceled( itemEventArgs );
}
private void DataGridCollectionViewSource_CancelingNewItem(object sender, DataGridItemHandledEventArgs e)
{
// set property to true if new item was created or to false if new item wasn't created
// otherwise an InvalidOperationException will be thrown (see http://doc.xceedsoft.com/products/XceedWpfDataGrid/Inserting_Data.html)
e.Handled = _isNewItemCreated;
_regionsPage.OnNewItemCancelling(e);
IsEditingInProgress = false;
_SetSelectionStatus();
}
private void DataGridCollectionViewSource_CancelingNewItem(object sender, DataGridItemHandledEventArgs e)
{
// set property to true if new item was created or to false if new item wasn't created
// otherwise an InvalidOperationException will be thrown (see http://doc.xceedsoft.com/products/XceedWpfDataGrid/Inserting_Data.html)
e.Handled = _isNewItemCreated;
IsEditingInProgress = false;
if (_InsertionRow.Cells["HardZones"] != null)
_InsertionRow.Cells["HardZones"].Visibility = Visibility.Hidden;
_SetSelectionStatus();
}
/// <summary>
/// Occurs when user press "Esc" on edited grid row.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void DataGridCollectionViewSource_CancelingEdit(object sender, DataGridItemHandledEventArgs e)
{
_isEditeStart = false;
e.Handled = true;
}
private void DataGridCollectionViewSource_CancelingNewItem(object sender, DataGridItemHandledEventArgs e)
{
e.Handled = true;
_EndEdit();
}
/// <summary>
/// Handler cancels editing object.
/// </summary>
/// <param name="sender">Data grid control sender.</param>
/// <param name="e">Item event erags.</param>
private void _DataGridCollectionViewSourceCancelingEdit(object sender,
DataGridItemHandledEventArgs e)
{
e.Handled = true;
IsEditingInProgress = false;
_SetSelectionStatus(((ICollection<Barrier>)e.CollectionView.SourceCollection).Count);
}
/// <summary>
/// Edit canceled.
/// </summary>
/// <param name="sender">Ignored.</param>
/// <param name="e">Ignored.</param>
private void _DataGridCollectionViewSourceCancelingEdit(object sender, DataGridItemHandledEventArgs e)
{
e.Handled = true;
IsEditingInProgress = false;
if (EditFinished != null)
EditFinished(this, null);
_SetSelectionStatus();
}
/// <summary>
/// React on new item committed.
/// </summary>
public void CancellingNewItem(DataGridItemHandledEventArgs e)
{
Debug.Assert(_mapControl.EditedObject is Route);
_mapControl.EditEnded();
_addedRoute = null;
string status = string.Format((string)App.Current.FindResource(OptimizeAndEditPage.NoSelectionStatusFormat),
_parentPage.CurrentSchedule.Routes.Count,
_parentPage.CurrentSchedule.UnassignedOrders.Count);
App.Current.MainWindow.StatusBar.SetStatus(_parentPage, status);
}
/// <summary>
/// React on cancelling edit.
/// </summary>
/// <param name="sender">Ignored.</param>
/// <param name="e">Event args.</param>
private void _CancelingEdit(object sender, DataGridItemHandledEventArgs e)
{
_geocodablePage.OnEditCanceled(e);
e.Handled = true;
CurrentItem.Address.PropertyChanged -= new PropertyChangedEventHandler(_AddressPropertyChanged);
CurrentItem.PropertyChanged -= new PropertyChangedEventHandler(_CurrentItemPropertyChanged);
}
/// <summary>
/// Handler cancels editing object.
/// </summary>
/// <param name="sender">Data grid control sender.</param>
/// <param name="e">Item event erags.</param>
private void _DataGridCollectionViewSourceCancelingEdit(object sender, DataGridItemHandledEventArgs e)
{
e.Handled = true;
_handler.CancelEditItem(e);
}
/// <summary>
/// Raises event about new item is cancelling.
/// </summary>
/// <param name="sender">Data grid control sender.</param>
/// <param name="e">Item event args.</param>
private void _DataGridCollectionViewSourceCancelingNewItem(object sender, DataGridItemHandledEventArgs e)
{
// Set property to true if new item was created or to false if new item wasn't created.
// Otherwise an InvalidOperationException will be thrown (see http://doc.xceedsoft.com/products/XceedWpfDataGrid/Inserting_Data.html).
e.Handled = _isNewItemCreated;
_handler.CancellingNewItem(e);
if (_routesInsertionRow.Cells[HARD_ZONES_PROPERTY_NAME] != null)
_routesInsertionRow.Cells[HARD_ZONES_PROPERTY_NAME].Visibility = Visibility.Collapsed;
// NOTE : workaround - hide cell editors when new item's cancelling.
if (_routesInsertionRow != null)
_routesInsertionRow.CellEditorDisplayConditions = CellEditorDisplayConditions.None;
_isNewItemCreated = false;
}
/// <summary>
/// React on cancelling edit.
/// </summary>
/// <param name="sender">Ignored.</param>
/// <param name="e">Event args.</param>
private void _CancelingEdit(object sender, DataGridItemHandledEventArgs e)
{
_geocodablePage.OnEditCanceled(e);
e.Handled = true;
// If item was cancelled - move location to fake position.
Location canceledLocation = e.Item as Location;
if (string.IsNullOrEmpty(canceledLocation.Name))
{
canceledLocation.GeoLocation = new ESRI.ArcLogistics.Geometry.Point(0, 0);
canceledLocation.Address.FullAddress = string.Empty;
}
if (CurrentItem != null)
{
CurrentItem.Address.PropertyChanged -= new PropertyChangedEventHandler(_AddressPropertyChanged);
CurrentItem.PropertyChanged -= new PropertyChangedEventHandler(_CurrentItemPropertyChanged);
}
else
{
// Do nothing. Current item is null after cancelling.
}
}
private void DataGridCollectionViewSource_CancelingEdit(object sender, DataGridItemHandledEventArgs e)
{
if (!_isForcingEndEdit)
App.Current.MainWindow.StatusBar.SetStatus(this, null);
_isForcingEndEdit = false;
Row parentRow = (Row)XceedGrid.GetContainerFromItem(e.Item);
parentRow.Cells[IS_CURRENT_COLUMN_CAPTION].IsEnabled = true;
_projectNameBeforeEditing = string.Empty;
e.Handled = true;
}
/// <summary>
/// Cancel creating new item.
/// </summary>
public void CancellingNewItem(DataGridItemHandledEventArgs e)
{
_geocodablePage.OnNewItemCancelling();
string status = string.Format((string)App.Current.FindResource(OptimizeAndEditPage.NoSelectionStatusFormat),
_currentSchedule.Routes.Count, _currentSchedule.UnassignedOrders.Count);
App.Current.MainWindow.StatusBar.SetStatus(_parentPage, status);
}
private void DataGridCollectionViewSource_CancelingNewItem(object sender, DataGridItemHandledEventArgs e)
{
App.Current.MainWindow.StatusBar.SetStatus(this, null);
e.Handled = true;
}
private void DataGridCollectionViewSource_CancelingEdit(object sender, DataGridItemHandledEventArgs e)
{
e.Handled = true;
IsEditingInProgress = false;
_SetSelectionStatus();
}
internal void OnCancelingNewItem( DataGridItemHandledEventArgs e )
{
if( this.CancelingNewItem != null )
this.CancelingNewItem( this, e );
}
internal void OnCancelingNewItem( DataGridItemHandledEventArgs e )
{
if( this.CancelingNewItem != null )
this.CancelingNewItem( this, e );
if( m_parentCollectionViewSourceBase != null )
m_parentCollectionViewSourceBase.OnCancelingNewItem( e );
}
internal void OnCancelingEdit( DataGridItemHandledEventArgs e )
{
if( this.CancelingEdit != null )
this.CancelingEdit( this, e );
}
public virtual void CancelEdit()
{
if( !this.CanCancelEdit )
throw new InvalidOperationException( "An attempt was made to cancel the edit process on a source that does not support cancellation." );
if( m_currentEditItem == null )
return;
DataGridItemHandledEventArgs itemHandleEventArgs = new DataGridItemHandledEventArgs( this, m_currentEditItem );
m_rootDataGridCollectionViewBase.OnCancelingEdit( itemHandleEventArgs );
if( itemHandleEventArgs.Handled != this.ItemEditionIsManuallyHandled )
throw new InvalidOperationException( "An attempt was made to manually handle the edit prcess without handling the BeginningEdit, CommittingEdit, and CancelingEdit events." );
if( !itemHandleEventArgs.Handled )
{
bool cancelEditCalled;
this.CancelEditInternal( m_currentEditItem, out cancelEditCalled );
DataGridItemPropertyCollection itemProperties = this.ItemProperties;
int count = itemProperties.Count;
if( ( !cancelEditCalled ) && ( count > 0 ) )
{
itemProperties.SuspendUnboundItemPropertyChanged( m_currentEditItem );
try
{
for( int i = 0; i < count; i++ )
{
DataGridItemPropertyBase itemProperty = itemProperties[ i ];
bool readOnly = ( ( m_currentEditItem == m_currentAddItem )
&& itemProperty.OverrideReadOnlyForInsertion.HasValue
&& itemProperty.OverrideReadOnlyForInsertion.Value )
? false
: itemProperty.IsReadOnly;
if( !readOnly )
{
try
{
itemProperty.SetValue( m_currentEditItem, m_oldValuesBeforeEdition[ i ] );
}
catch
{
// Swallow any Exception, setting a property to is old value should not throw.
}
}
}
}
finally
{
itemProperties.ResumeUnboundItemPropertyChanged( m_currentEditItem );
}
}
}
DataGridItemEventArgs itemEventArgs = new DataGridItemEventArgs( this, m_currentEditItem );
m_currentEditItem = null;
m_rootDataGridCollectionViewBase.OnEditCanceled( itemEventArgs );
}
/// <summary>
/// React on cancelling new item.
/// </summary>
/// <param name="e">Cancelling item event args.</param>
public void OnNewItemCancelling(DataGridItemHandledEventArgs e)
{
// Supporting API issues. Needed in case of external new item creating canceling.
if (!_isInEditedMode)
return;
_canceledByGrid = true;
ObjectLayer.DeleteObject(_currentItem, _parentLayer.MapLayer);
_EditEnded(false);
e.Handled = true;
_canceledByGrid = false;
_SetToolsEnabled(false);
_currentItem = null;
}
