protected override void OnMouseUp(MouseEventArgs e)
{
// Mouse was clicked
if (mouseIsDown)
{
string prevSelectedCategoryItemDescription = lastSelectedCategoryItemDescription;
string selectedCategoryDescription = "";
string selectedCategoryKey = "";
bool someCategoryExpanedCollapsed = false;
// First check if we are expanding/collapsing any categories
foreach (Category category in categories.Values)
{
bool prevCategoryCollapsed = category.Collapsed;
category.HeaderHitTest(e.Location);
if (!someCategoryExpanedCollapsed)
{
someCategoryExpanedCollapsed = prevCategoryCollapsed != category.Collapsed;
}
}
// hit test for each category item
if (!someCategoryExpanedCollapsed)
{
foreach (Category category in categories.Values)
{
category.ClearSelection();
category.ItemHitTest(e.Location);
if (category.HasSelectedCategoryItem)
{
lastSelectedCategoryItemDescription = category.SelectedCategoryItemDescription;
selectedCategoryDescription = category.Text;
selectedCategoryKey = category.Key;
}
}
}
CheckForRedraw();
if (prevSelectedCategoryItemDescription != lastSelectedCategoryItemDescription)
{
SelectionChangedEventArgs args = new SelectionChangedEventArgs();
args.CategoryDescription = selectedCategoryDescription;
args.CategoryKey = selectedCategoryKey;
OnSelectionChanged(args);
}
}
mouseIsDown = false;
base.OnMouseUp(e);
}
protected virtual void OnSelectionChanged(SelectionChangedEventArgs args)
{
SelectionChangedDelegate handler = SelectionChanged;
if (handler != null)
{
handler(this, args);
}
}
private void categoryControl1_SelectionChanged(object sender, SelectionChangedEventArgs args)
{
//MessageBox.Show(args.CategoryKey + " " + args.CategoryDescription + " " + args.CategoryItemDescriptoin);
}
