/// <summary>
/// Adds an item to this category
/// </summary>
/// <param name="item">Item to add</param>
public void AddItem( CategoryItem item )
{
Arguments.CheckNotNull( item, "item" );
m_Items.Add( item );
item.ChangeParentCategory( this );
}
/// <summary>
/// Removes an item from this category
/// </summary>
/// <param name="item">Item to remove</param>
public void RemoveItem( CategoryItem item )
{
Arguments.CheckNotNull( item, "item" );
m_Items.Remove( item );
item.ChangeParentCategory( null );
}
/// <summary>
/// Filters items from a category
/// </summary>
private TreeNode FilterItem( CategoryItem item, Regex filter )
{
if ( filter.IsMatch( item.Name ) )
{
TreeNode addNode = m_NodeMap[ item ];
if ( addNode == null )
{
addNode = CreateNodeForCategoryItem( item );
}
return addNode;
}
TreeNode node = m_NodeMap[ item ];
if ( node != null )
{
node.Remove( );
m_NodeMap[ item ] = null;
}
return null;
}
/// <summary>
/// Adds a component type as a category item to this category, and any type-compatible sub-categories
/// </summary>
public void AddComponentType( ComponentType type, string name, string description, Icon icon )
{
Arguments.CheckNotNull( type, "type" );
Arguments.CheckNotNullOrEmpty( name, "name" );
Arguments.CheckNotNull( description, "description" );
Arguments.CheckNotNull( icon, "icon" );
if ( m_BaseType.IsAssignableFrom( type.Type ) )
{
CategoryItem item = new CategoryItem( name, description, icon );
item.Tag = type;
AddItem( item );
}
foreach ( Category subCategory in SubCategories )
{
ComponentTypeCategory componentSubCategory = subCategory as ComponentTypeCategory;
if ( componentSubCategory != null )
{
componentSubCategory.AddComponentType( type, name, description, icon );
}
}
}
/// <summary>
/// Creates a tree node for a category item
/// </summary>
private TreeNode CreateNodeForCategoryItem( CategoryItem category )
{
Icon icon = category.Icon ?? DefaultCategoryIcon;
TreeNode node = new TreeNode( category.Name );
node.Tag = category;
node.SelectedImageKey = node.ImageKey = AddImage( icon.Handle.ToString( ), icon );
m_NodeMap[ category ] = node;
return node;
}