Class ItemChangeEvent

All Implemented Interfaces:
Cancellable

public class ItemChangeEvent extends BrowserEvent<ItemChangeHandler> implements Cancellable
  • Constructor Details

  • Method Details

    • getFiringCanvas

      public Canvas getFiringCanvas()
      Returns the Canvas firing the event.
      Returns:
      Canvas firing the event
    • fire

      public static <S extends HasItemChangeHandlers & HasHandlers> void fire(S source, JavaScriptObject jsObj)
      Fires a open event on all registered handlers in the handler manager.If no such handlers exist, this method will do nothing.
      Type Parameters:
      S - The event source
      Parameters:
      source - the source of the handlers
      jsObj - the native event
    • getType

      public static GwtEvent.Type<ItemChangeHandler> getType()
      Gets the type associated with this event.
      Returns:
      returns the handler type
    • dispatch

      protected void dispatch(ItemChangeHandler handler)
      Specified by:
      dispatch in class GwtEvent<ItemChangeHandler>
    • getAssociatedType

      public final GwtEvent.Type<ItemChangeHandler> getAssociatedType()
      Specified by:
      getAssociatedType in class GwtEvent<ItemChangeHandler>
    • cancel

      public void cancel()
      Call this method to cancel the change
      Specified by:
      cancel in interface Cancellable
    • isCancelled

      public boolean isCancelled()
      Specified by:
      isCancelled in interface Cancellable
      Returns:
      true if cancelled
    • getItem

      public FormItem getItem()
      the FormItem where the change event occurred
      Returns:
      the FormItem where the change event occurred
    • getNewValue

      public Object getNewValue()
      new value for the FormItem
      Returns:
      new value for the FormItem
    • getOldValue

      public Object getOldValue()
      value the FormItem had previous to this change() event
      Returns:
      value the FormItem had previous to this change() event