TreeViewItem

open class TreeViewItem : Hashable, Equatable

Represents a constituent item of the hierarchy displayed inside a TreeViewNode.

  • Initializes a new instance of the TreeViewItem class.

    Declaration

    Swift

    public init()

    Return Value

    The newly created TreeViewItem object.

  • Draws the TreeViewItem using the specified canvas object.

    Declaration

    Swift

    open func draw(_ canvas: Canvas, clip: Rect, parent: TreeViewNode, firstDrawn: inout Int, count: inout Bool)

    Parameters

    canvas

    A canvas object where the TreeViewItem should be rendered.
    clip

    A rectangle that provides a clipping region for the drawing.
    firstDrawn

    The index of the first drawn item.
    count

    The count of drawn items.

  • Loads this TreeViewItem node from the specified XML context and element.

    Declaration

    Swift

    open func loadFromXml(_ element: XmlElement, context: XmlContext)

    Parameters

    element

    The XmlElement, which contains this TreeViewItem.
    context

    The XmlContext, which contains this TreeViewItem.

  • Saves this TreeViewItem into the specified XML context and element.

    Declaration

    Swift

    open func saveToXml(_ element: XmlElement, context: XmlContext)

    Parameters

    element

    The XmlElement, where the TreeViewItem will be saved.
    context

    The XmlContext, where the TreeViewItem will be saved.

  • Draws the tree path.

    Declaration

    Swift

    open func drawTreePath(_ canvas: Canvas, x: Double, y: Double, offset: Double, clip: Rect, depth: Int) -> Double

    Parameters

    canvas

    The canvas where the tree path is drawn.
    x

    The x-coordinate of The point where drawing starts.
    y

    The y-coordinate of The point where drawing ends.
    offset

    The offset.
    clip

    The rectangle that sets the clipping region for the drawing.
    depth

    The depth of the tree where the TreeViewItem is located.

    Return Value

    The height of the drawn content.

  • Gets the rectangle of the TreeViewItem’s icon.

    Declaration

    Swift

    open func getIconRect(_ mm: Double) -> Rect

    Return Value

    The rectangle.

  • Gets the count of the children of this TreeViewItem.

    Declaration

    Swift

    open func countItems() -> Int

    Return Value

    The count of the children.

  • Applies the specified operation on all children of the TreeViewItem.

    Declaration

    Swift

    open func forAllItems(_ operation: (TreeViewItem) -> Void)

  • Declaration

    Swift

    public func hash(into hasher: inout Hasher)

  • A list with the children of this TreeViewItem.

    Declaration

    Swift

    open var children: [TreeViewItem]

  • The image associated with this TreeViewItem. The value can be nil.

    Declaration

    Swift

    open var image: UIImage?

  • The label for this TreeViewItem.

    Declaration

    Swift

    open var label: String

  • Undocumented

    Declaration

    Swift

    public var height: Double

  • Undocumented

    Declaration

    Swift

    public var expanded: Bool