protected virtual void OnSelecting(ItemDataSourceSelectingEventArgs e)
{
EventHandler <ItemDataSourceSelectingEventArgs> handler = base.Events[EventSelecting] as EventHandler <ItemDataSourceSelectingEventArgs>;
if (handler != null)
{
handler.Invoke(this, e);
}
}
protected override System.Collections.IEnumerable ExecuteSelect(DataSourceSelectArguments arguments)
{
ItemDataSourceSelectingEventArgs selectingArgs = new ItemDataSourceSelectingEventArgs(arguments);
OnSelecting(selectingArgs);
Collections.ItemListEventArgs args = new N2.Collections.ItemListEventArgs(GetAllItems());
if (args.Items == null)
{
return(null);
}
if (selectingArgs.Arguments.RetrieveTotalRowCount)
{
selectingArgs.Arguments.TotalRowCount = args.Items.Count;
}
if (!string.IsNullOrEmpty(selectingArgs.Arguments.SortExpression) && selectingArgs.Arguments.SortExpression != currentSortExpression)
{
args.Items.Sort(new Collections.ItemComparer(selectingArgs.Arguments.SortExpression));
currentSortExpression = selectingArgs.Arguments.SortExpression;
}
else if (!string.IsNullOrEmpty(SortBy))
{
args.Items.Sort(new Collections.ItemComparer(SortBy));
}
OnFiltering(args);
if (Filter != null || (selectingArgs.Arguments.StartRowIndex >= 0 && selectingArgs.Arguments.MaximumRows > 0))
{
Collections.ItemList filteredItems = args.Items;
if (Filter != null)
{
filteredItems = new Collections.ItemList(filteredItems, Filter);
}
if (selectingArgs.Arguments.StartRowIndex >= 0 && selectingArgs.Arguments.MaximumRows > 0)
{
filteredItems = new Collections.ItemList(filteredItems, new Collections.CountFilter(selectingArgs.Arguments.StartRowIndex, selectingArgs.Arguments.MaximumRows));
}
args = new N2.Collections.ItemListEventArgs(filteredItems);
}
OnSelected(args);
return(args.Items);
}
protected override IEnumerable ExecuteSelect(DataSourceSelectArguments arguments)
{
if (this.Query != null)
{
ItemDataSourceSelectingEventArgs selectingArgs = new ItemDataSourceSelectingEventArgs(arguments);
OnSelecting(selectingArgs);
IList<ContentItem> items = Query
.FirstResult(selectingArgs.Arguments.StartRowIndex)
.MaxResults(selectingArgs.Arguments.MaximumRows)
.Select();
Collections.ItemListEventArgs args = new N2.Collections.ItemListEventArgs(new Collections.ItemList(items));
OnSelected(args);
return args.Items;
}
else
return null;
}
protected override IEnumerable ExecuteSelect(DataSourceSelectArguments arguments)
{
if (this.Query != null)
{
ItemDataSourceSelectingEventArgs selectingArgs = new ItemDataSourceSelectingEventArgs(arguments);
OnSelecting(selectingArgs);
IList <ContentItem> items = Query
.FirstResult(selectingArgs.Arguments.StartRowIndex)
.MaxResults(selectingArgs.Arguments.MaximumRows)
.Select();
Collections.ItemListEventArgs args = new N2.Collections.ItemListEventArgs(new Collections.ItemList(items));
OnSelected(args);
return(args.Items);
}
else
{
return(null);
}
}
protected override System.Collections.IEnumerable ExecuteSelect(DataSourceSelectArguments arguments)
{
ItemDataSourceSelectingEventArgs selectingArgs = new ItemDataSourceSelectingEventArgs(arguments);
OnSelecting(selectingArgs);
Collections.ItemListEventArgs args = new N2.Collections.ItemListEventArgs(GetAllItems());
if (args.Items == null)
return null;
if(selectingArgs.Arguments.RetrieveTotalRowCount)
selectingArgs.Arguments.TotalRowCount = args.Items.Count;
if (!string.IsNullOrEmpty(selectingArgs.Arguments.SortExpression) && selectingArgs.Arguments.SortExpression != currentSortExpression)
{
args.Items.Sort(new Collections.ItemComparer(selectingArgs.Arguments.SortExpression));
currentSortExpression = selectingArgs.Arguments.SortExpression;
}
else if (!string.IsNullOrEmpty(SortBy))
{
args.Items.Sort(new Collections.ItemComparer(SortBy));
}
OnFiltering(args);
if (Filter != null || (selectingArgs.Arguments.StartRowIndex >= 0 && selectingArgs.Arguments.MaximumRows > 0))
{
Collections.ItemList filteredItems = args.Items;
if (Filter != null)
filteredItems = new Collections.ItemList(filteredItems, Filter);
if (selectingArgs.Arguments.StartRowIndex >= 0 && selectingArgs.Arguments.MaximumRows > 0)
filteredItems = new Collections.ItemList(filteredItems, new Collections.CountFilter(selectingArgs.Arguments.StartRowIndex, selectingArgs.Arguments.MaximumRows));
args = new N2.Collections.ItemListEventArgs(filteredItems);
}
OnSelected(args);
return args.Items;
}
protected virtual void OnSelecting(ItemDataSourceSelectingEventArgs e)
{
EventHandler<ItemDataSourceSelectingEventArgs> handler = base.Events[EventSelecting] as EventHandler<ItemDataSourceSelectingEventArgs>;
if (handler != null)
handler.Invoke(this, e);
}
