GridViewEventResult IGridViewEventListener.ProcessEvent(
GridViewEvent eventData)
{
GridViewColumn sender1 = eventData.Sender as GridViewColumn;
if (sender1 != null && eventData.Info.Id == KnownEvents.PropertyChanged)
{
RadPropertyChangedEventArgs changedEventArgs = eventData.Arguments[0] as RadPropertyChangedEventArgs;
if (changedEventArgs.Property == GridViewColumn.IsVisibleProperty || changedEventArgs.Property == GridViewColumn.VisibleInColumnChooserProperty)
{
this.template = sender1.OwnerTemplate;
this.UpdateView();
}
}
else if (eventData.Info.Id == KnownEvents.ViewChanged)
{
DataViewChangedEventArgs changedEventArgs = eventData.Arguments[0] as DataViewChangedEventArgs;
GridViewTemplate sender2 = eventData.Sender as GridViewTemplate;
if (changedEventArgs.Action == ViewChangedAction.Reset || changedEventArgs.Action == ViewChangedAction.ColumnGroupPropertyChanged)
{
this.template = sender2;
this.UpdateView();
}
}
return((GridViewEventResult)null);
}
protected virtual GridViewEventResult ProcessViewChangedEvent(
GridViewEvent eventData)
{
DataViewChangedEventArgs changedEventArgs = eventData.Arguments[0] as DataViewChangedEventArgs;
if (changedEventArgs.Action == ViewChangedAction.Reset)
{
this.groupPanelElement.UpdateVisibility();
}
else if (changedEventArgs.Action == ViewChangedAction.CurrentViewChanged)
{
GridViewInfo oldView = (GridViewInfo)null;
if (this.currentView != null)
{
oldView = this.currentView.ViewInfo;
}
IRowView rowView = this.GetRowView((GridViewInfo)changedEventArgs.NewItems[0]);
if (rowView != null)
{
this.currentView = rowView;
}
this.OnCurrentViewChanged(new GridViewCurrentViewChangedEventArgs(oldView, (GridViewInfo)changedEventArgs.NewItems[0]));
}
return((GridViewEventResult)null);
}
private void ProcessViewChanged(DataViewChangedEventArgs args)
{
if (args.Action != ViewChangedAction.Reset)
{
return;
}
bool flag = false;
foreach (GridViewDataColumn column in (Collection <GridViewDataColumn>) this.ViewTemplate.Columns)
{
if (column.FilterDescriptor == null)
{
this.CreateFilterDescriptor(column, this.GetDefaultFilterOperator(column));
if (column is GridViewCheckBoxColumn)
{
flag = true;
}
}
}
if (!flag)
{
return;
}
this.InvalidateRow();
}
private void DispatchDataViewChangedEvent(DataViewChangedEventArgs args, GridEventType type)
{
GridViewEventInfo eventInfo = new GridViewEventInfo(KnownEvents.ViewChanged, type, GridEventDispatchMode.Send);
GridViewSynchronizationService.DispatchEvent(this.owner, new GridViewEvent((object)this.owner, (object)this.owner, new object[1]
{
(object)args
}, eventInfo), false);
}
public GridViewEventResult PostProcessEvent(GridViewEvent eventData)
{
if (eventData.Info.Id == KnownEvents.ViewChanged)
{
DataViewChangedEventArgs changedEventArgs = eventData.Arguments[0] as DataViewChangedEventArgs;
if (changedEventArgs.Action == ViewChangedAction.Add || changedEventArgs.Action == ViewChangedAction.Remove || (changedEventArgs.Action == ViewChangedAction.FilteringChanged || changedEventArgs.Action == ViewChangedAction.GroupingChanged) || (changedEventArgs.Action == ViewChangedAction.PagingChanged || changedEventArgs.Action == ViewChangedAction.Reset))
{
this.UpdateVisibility();
this.UpdateView();
}
}
return((GridViewEventResult)null);
}
public GridViewEventResult ProcessEvent(GridViewEvent eventData)
{
if (eventData.Info.Id == KnownEvents.ViewChanged)
{
DataViewChangedEventArgs changedEventArgs = (DataViewChangedEventArgs)eventData.Arguments[0];
switch (changedEventArgs.Action)
{
case ViewChangedAction.Add:
if (changedEventArgs.NewItems[0] is GridViewDataRowInfo)
{
this.UpdateDistinctValues();
this.UpdateDistinctValuesWithFilter();
break;
}
break;
case ViewChangedAction.Remove:
if (changedEventArgs.NewItems[0] is GridViewDataRowInfo)
{
this.UpdateDistinctValues();
this.UpdateDistinctValuesWithFilter();
break;
}
break;
case ViewChangedAction.Reset:
this.distinctValues = (GridViewColumnValuesCollection)null;
this.distinctValuesWithFilter = (GridViewColumnValuesCollection)null;
break;
case ViewChangedAction.ItemChanged:
if (changedEventArgs.NewItems[0] is GridViewDataRowInfo)
{
this.UpdateDistinctValues();
this.UpdateDistinctValuesWithFilter();
break;
}
break;
}
}
else if (eventData.Info.Id == KnownEvents.CollectionChanged)
{
NotifyCollectionChangedEventArgs changedEventArgs = (NotifyCollectionChangedEventArgs)eventData.Arguments[0];
if (changedEventArgs.Action == NotifyCollectionChangedAction.Remove && changedEventArgs.NewItems[0] == this)
{
this.OwnerTemplate.MasterTemplate.SynchronizationService.RemoveListener((IGridViewEventListener)this);
}
}
return((GridViewEventResult)null);
}
private bool IsGridViewEventToRemove(GridViewEvent gridEvent)
{
if (GridViewSynchronizationService.IsTemplatePropertyChangingEvent(gridEvent))
{
return((gridEvent.Arguments[0] as PropertyChangingEventArgsEx).PropertyName == "DataSource");
}
if (gridEvent.Info.Id != KnownEvents.ViewChanged)
{
return(false);
}
DataViewChangedEventArgs changedEventArgs = gridEvent.Arguments[0] as DataViewChangedEventArgs;
int action = (int)changedEventArgs.Action;
return(changedEventArgs.Action == ViewChangedAction.Reset);
}
bool IGridViewEventListener.AnalyzeQueue(List <GridViewEvent> events)
{
int count = events.Count;
for (int index = count - 1; index >= 0; --index)
{
GridViewEvent gridViewEvent = events[index];
if (gridViewEvent.Info.Id == KnownEvents.ViewChanged)
{
DataViewChangedEventArgs changedEventArgs = gridViewEvent.Arguments[0] as DataViewChangedEventArgs;
if (changedEventArgs.Action == ViewChangedAction.FilteringChanged || changedEventArgs.Action == ViewChangedAction.FilterExpressionChanged)
{
events.RemoveAll(new Predicate <GridViewEvent>(this.IsGridViewEventToRemove));
return(count != events.Count);
}
}
}
return(false);
}
GridViewEventResult IGridViewEventListener.PostProcessEvent(
GridViewEvent eventData)
{
if (eventData.Info.Id == KnownEvents.ViewChanged)
{
DataViewChangedEventArgs changedEventArgs = eventData.Arguments[0] as DataViewChangedEventArgs;
if (changedEventArgs.Action == ViewChangedAction.Add || changedEventArgs.Action == ViewChangedAction.Remove || (changedEventArgs.Action == ViewChangedAction.FilteringChanged || changedEventArgs.Action == ViewChangedAction.GroupingChanged) || (changedEventArgs.Action == ViewChangedAction.SortingChanged || changedEventArgs.Action == ViewChangedAction.ItemChanged || changedEventArgs.Action == ViewChangedAction.Reset))
{
this.cache.Clear();
this.Search(this.searchCriteria);
}
else if ((changedEventArgs.Action == ViewChangedAction.CurrentCellChanged || changedEventArgs.Action == ViewChangedAction.CurrentColumnChanged || changedEventArgs.Action == ViewChangedAction.CurrentRowChanged) && !this.isNavigating)
{
this.selectionChangedByUser = true;
}
}
else if (eventData.Info.Id == KnownEvents.PropertyChanged && eventData.Sender is GridViewDataColumn && (eventData.Arguments[0] as RadPropertyChangedEventArgs).Property.Name == "IsVisible")
{
this.cache.Clear();
this.Search(this.searchCriteria);
}
return((GridViewEventResult)null);
}
private void DispatchDataViewChangedEvent(DataViewChangedEventArgs args)
{
this.DispatchDataViewChangedEvent(args, GridEventType.Both);
}