private void OnColumnsCollectionChanged(object sender, CollectionChangeEventArgs args)
{
SWF.DataGridColumnStyle column = (SWF.DataGridColumnStyle)args.Element;
if (args.Action == CollectionChangeAction.Add)
{
DataGridHeaderItemProvider headerItem
= new DataGridHeaderItemProvider(this, column);
headerItem.Initialize();
AddChildProvider(headerItem);
dictionary [column] = headerItem;
}
else if (args.Action == CollectionChangeAction.Remove)
{
DataGridHeaderItemProvider headerItem = null;
if (!dictionary.TryGetValue(column, out headerItem))
{
return;
}
headerItem.Terminate();
RemoveChildProvider(headerItem);
dictionary.Remove(column);
}
else if (args.Action == CollectionChangeAction.Refresh)
{
foreach (DataGridHeaderItemProvider headerItem in dictionary.Values)
{
headerItem.Terminate();
}
OnNavigationChildrenCleared();
}
}
public override void InitializeChildControlStructure()
{
foreach (SWF.DataGridColumnStyle style in styles)
{
DataGridHeaderItemProvider headerItem
= new DataGridHeaderItemProvider(this, style);
headerItem.Initialize();
AddChildProvider(headerItem);
dictionary [style] = headerItem;
}
styles.CollectionChanged += OnColumnsCollectionChanged;
}
private void OnColumnsCollectionChanged (object sender, CollectionChangeEventArgs args)
{
SWF.DataGridColumnStyle column = (SWF.DataGridColumnStyle) args.Element;
if (args.Action == CollectionChangeAction.Add) {
DataGridHeaderItemProvider headerItem
= new DataGridHeaderItemProvider (this, column);
headerItem.Initialize ();
AddChildProvider (headerItem);
dictionary [column] = headerItem;
} else if (args.Action == CollectionChangeAction.Remove) {
DataGridHeaderItemProvider headerItem = null;
if (!dictionary.TryGetValue (column, out headerItem))
return;
headerItem.Terminate ();
RemoveChildProvider (headerItem);
dictionary.Remove (column);
} else if (args.Action == CollectionChangeAction.Refresh) {
foreach (DataGridHeaderItemProvider headerItem in dictionary.Values)
headerItem.Terminate ();
OnNavigationChildrenCleared ();
}
}
public override void InitializeChildControlStructure ()
{
foreach (SWF.DataGridColumnStyle style in styles) {
DataGridHeaderItemProvider headerItem
= new DataGridHeaderItemProvider (this, style);
headerItem.Initialize ();
AddChildProvider (headerItem);
dictionary [style] = headerItem;
}
styles.CollectionChanged += OnColumnsCollectionChanged;
}
