/// <summary>
/// Adds a category to the list.
/// </summary>
/// <param name="category">Category control to add.</param>
protected virtual void Add(CollapsibleCategory category)
{
category.Parent = m_Items;
category.Margin = new Margin(1, 1, 1, 0);
category.Selected += OnCategorySelected;
category.Collapsed += OnCategoryCollapsed;
Invalidate();
}
/// <summary>
/// Adds a new category to the list.
/// </summary>
/// <param name="categoryName">Name of the category.</param>
/// <returns>Newly created control.</returns>
public virtual CollapsibleCategory Add(string categoryName, string name = null, object userData = null)
{
CollapsibleCategory cat = new CollapsibleCategory(this);
cat.Text = categoryName;
cat.Name = name;
cat.UserData = userData;
Add(cat);
return(cat);
}
/// <summary>
/// Unselects all entries.
/// </summary>
public virtual void UnselectAll()
{
foreach (ControlBase child in m_Items.Children)
{
CollapsibleCategory cat = child as CollapsibleCategory;
if (cat == null)
{
continue;
}
cat.UnselectAll();
}
}
/// <summary>
/// Handler for category collapsed event.
/// </summary>
/// <param name="control">Event source: <see cref="CollapsibleCategory"/>.</param>
protected virtual void OnCategoryCollapsed(ControlBase control, EventArgs args)
{
CollapsibleCategory cat = control as CollapsibleCategory;
if (cat == null)
{
return;
}
if (CategoryCollapsed != null)
{
CategoryCollapsed.Invoke(control, EventArgs.Empty);
}
}
/// <summary>
/// Handler for ItemSelected event.
/// </summary>
/// <param name="control">Event source: <see cref="CollapsibleList"/>.</param>
protected virtual void OnCategorySelected(ControlBase control, EventArgs args)
{
CollapsibleCategory cat = control as CollapsibleCategory;
if (cat == null)
{
return;
}
if (ItemSelected != null)
{
ItemSelected.Invoke(this, new ItemSelectedEventArgs(cat));
}
}
// todo: iterator, make this as function? check if works
/// <summary>
/// Selected entry.
/// </summary>
public Button GetSelectedButton()
{
foreach (ControlBase child in Children)
{
CollapsibleCategory cat = child as CollapsibleCategory;
if (cat == null)
{
continue;
}
Button button = cat.GetSelectedButton();
if (button != null)
{
return(button);
}
}
return(null);
}