Package org.eclipse.swt.events

Interface ExpandListener

All Superinterfaces:
EventListener, SWTEventListener
All Known Implementing Classes:
ExpandAdapter
public interface ExpandListener extends SWTEventListener
Classes which implement this interface provide methods that deal with the expanding and collapsing of ExpandItems.

After creating an instance of a class that implements this interface it can be added to a ExpandBar control using the addExpandListener method and removed using the removeExpandListener method. When a item of the ExpandBar is expanded or collapsed, the appropriate method will be invoked.

Since:
3.2
See Also:

  • Method Details

    • itemCollapsed

      void itemCollapsed(ExpandEvent e)
      Sent when an item is collapsed.
      Parameters:
      e - an event containing information about the operation

    • itemExpanded

      void itemExpanded(ExpandEvent e)
      Sent when an item is expanded.
      Parameters:
      e - an event containing information about the operation

    • itemCollapsedAdapter

      static ExpandListener itemCollapsedAdapter(Consumer<ExpandEvent> c)
      Static helper method to create a ExpandListener for the itemCollapsed(ExpandEvent e)) method, given a lambda expression or a method reference.
      Parameters:
      c - the consumer of the event
      Returns:
      ExpandListener
      Since:
      3.107

    • itemExpandedAdapter

      static ExpandListener itemExpandedAdapter(Consumer<ExpandEvent> c)
      Static helper method to create a ExpandListener for the itemExpanded(ExpandEvent e)) method, given a lambda expression or a method reference.
      Parameters:
      c - the consumer of the event
      Returns:
      ExpandListener
      Since:
      3.107