Interface ICheckable

    • Method Detail

      • addCheckStateListener

        void addCheckStateListener​(ICheckStateListener listener)
        Adds a listener for changes to the checked state of elements in this viewer. Has no effect if an identical listener is already registered.
        Parameters:
        listener - a check state listener
      • getChecked

        boolean getChecked​(Object element)
        Returns the checked state of the given element.
        Parameters:
        element - the element
        Returns:
        true if the element is checked, and false if not checked
      • removeCheckStateListener

        void removeCheckStateListener​(ICheckStateListener listener)
        Removes the given check state listener from this viewer. Has no effect if an identical listener is not registered.
        Parameters:
        listener - a check state listener
      • setChecked

        boolean setChecked​(Object element,
                           boolean state)
        Sets the checked state for the given element in this viewer. Does not fire events to check state listeners.
        Parameters:
        element - the element
        state - true if the item should be checked, and false if it should be unchecked
        Returns:
        true if the checked state could be set, and false otherwise