GetQueryController(
System.Windows.Controls.DataGrid dataGrid,
FilterData filterData, IEnumerable itemsSource)
{
QueryController query;
query = DataGridExtensions.GetDataGridFilterQueryController(dataGrid);
if (query == null)
{
//clear the filter if exisits begin
System.ComponentModel.ICollectionView view
= System.Windows.Data.CollectionViewSource.GetDefaultView(dataGrid.ItemsSource);
if (view != null) view.Filter = null;
//clear the filter if exisits end
query = new QueryController();
DataGridExtensions.SetDataGridFilterQueryController(dataGrid, query);
}
query.ColumnFilterData = filterData;
query.ItemsSource = itemsSource;
query.CallingThreadDispatcher = dataGrid.Dispatcher;
query.UseBackgroundWorker = DataGridExtensions.GetUseBackgroundWorkerForFiltering(dataGrid);
return query;
}
GetQueryController(
System.Windows.Controls.DataGrid dataGrid,
FilterData filterData, IEnumerable itemsSource)
{
QueryController query;
query = DataGridExtensions.GetDataGridFilterQueryController(dataGrid);
if (query == null)
{
//clear the filter if exisits begin
System.ComponentModel.ICollectionView view
= System.Windows.Data.CollectionViewSource.GetDefaultView(dataGrid.ItemsSource);
if (view != null)
{
view.Filter = null;
}
//clear the filter if exisits end
query = new QueryController();
DataGridExtensions.SetDataGridFilterQueryController(dataGrid, query);
}
query.ColumnFilterData = filterData;
query.ItemsSource = itemsSource;
query.CallingThreadDispatcher = dataGrid.Dispatcher;
query.UseBackgroundWorker = DataGridExtensions.GetUseBackgroundWorkerForFiltering(dataGrid);
return(query);
}
GetQueryController(
System.Windows.Controls.DataGrid dataGrid,
FilterData filterData, IEnumerable itemsSource)
{
QueryController query;
query = DataGridExtensions.GetDataGridFilterQueryController(dataGrid);
if (query == null)
{
query = new QueryController();
DataGridExtensions.SetDataGridFilterQueryController(dataGrid, query);
}
query.ColumnFilterData = filterData;
query.ItemsSource = itemsSource;
query.CallingThreadDispatcher = dataGrid.Dispatcher;
query.UseBackgroundWorker = DataGridExtensions.GetUseBackgroundWorkerForFiltering(dataGrid);
return(query);
}
private void addFilterStateHandlers(QueryController query)
{
query.FilteringStarted -= new EventHandler<EventArgs>(query_FilteringStarted);
query.FilteringFinished -= new EventHandler<EventArgs>(query_FilteringFinished);
query.FilteringStarted += new EventHandler<EventArgs>(query_FilteringStarted);
query.FilteringFinished += new EventHandler<EventArgs>(query_FilteringFinished);
}
public static void SetDataGridFilterQueryController(DependencyObject target, QueryController value)
{
target.SetValue(DataGridFilterQueryControllerProperty, value);
}
