List.ViewController.md

CLASS

List.ViewController

A list view controller.

Properties

outlineView

The list.

items

The widgets in the list.

selectionObservers

The functions observing changes in the selection.

Methods

setup()

Execute when the view is set up.

outlineView(_:numberOfChildrenOfItem:)

Get the number of widgets in a list.

• Parameters:
  • outlineView: The list.
  • item: Number of children.
• Returns: Returns the number of widgets.

outlineView(_:isItemExpandable:)

Get the information that a list is not expandable.

• Parameters:
  • outlineView: The list.
  • item: Is expandable.
• Returns: Returns always false.

outlineView(_:child:ofItem:)

Get the item at a certain index.

• Parameters:
  • outlineView: The list.
  • index: The index.
  • item: Get an item.
• Returns: The item.

outlineView(_:viewFor:item:)

Get the view for a certain widget.

• Parameters:
  • outlineView: The list.
  • tableColumn: The list column.
  • item: The widget.
• Returns: The widget's view.

outlineView(_:heightOfRowByItem:)

Get the height a widget needs.

• Parameters:
  • outlineView: The list.
  • item: The widget.
• Returns: The widget's height.

selectionDidChange()

Handle selection changes.

setSelectedIndex(_:)

Set the selection manually to a specific index.

• Parameter index: The index.

removeAtIndex(_:)

Remove an item at a certain index.

• Parameter index: The index.