Class RTextAreaEditorKit.VerticalPageAction

  • All Implemented Interfaces:
    java.awt.event.ActionListener, java.io.Serializable, java.lang.Cloneable, java.util.EventListener, javax.swing.Action
    Enclosing class:
    RTextAreaEditorKit

    public static class RTextAreaEditorKit.VerticalPageAction
    extends RecordableTextAction
    Scrolls up/down vertically. The select version of this action extends the selection, instead of simply moving the caret.
    See Also:
    Serialized Form
    • Field Summary

      Fields 
      Modifier and Type Field Description
      private int direction  
      private boolean select  
      • Fields inherited from class javax.swing.AbstractAction

        changeSupport, enabled
      • Fields inherited from interface javax.swing.Action

        ACCELERATOR_KEY, ACTION_COMMAND_KEY, DEFAULT, DISPLAYED_MNEMONIC_INDEX_KEY, LARGE_ICON_KEY, LONG_DESCRIPTION, MNEMONIC_KEY, NAME, SELECTED_KEY, SHORT_DESCRIPTION, SMALL_ICON
    • Constructor Summary

      Constructors 
      Constructor Description
      VerticalPageAction​(java.lang.String name, int direction, boolean select)  
    • Field Detail

      • select

        private boolean select
      • direction

        private int direction
    • Constructor Detail

      • VerticalPageAction

        public VerticalPageAction​(java.lang.String name,
                                  int direction,
                                  boolean select)
    • Method Detail

      • constrainY

        private int constrainY​(javax.swing.text.JTextComponent textArea,
                               int y,
                               int vis,
                               int screenHeight)
      • constrainOffset

        private int constrainOffset​(javax.swing.text.JTextComponent text,
                                    int offset)
      • adjustScrollIfNecessary

        private void adjustScrollIfNecessary​(javax.swing.text.JTextComponent text,
                                             java.awt.Rectangle visible,
                                             int initialY,
                                             int index)
      • getMacroID

        public final java.lang.String getMacroID()
        Description copied from class: RecordableTextAction
        Returns the identifier for this macro. This method makes it so that you can create an instance of the RTextAreaEditorKit.CutAction action, for example, rename it to "Remove", and it will still be recorded as a "cut" action. Subclasses should return a unique string from this method; preferably the name of the action.

        If you subclass a RecordableTextAction, you should NOT override this method; if you do, the action may not be properly recorded in a macro.

        Specified by:
        getMacroID in class RecordableTextAction
        Returns:
        The internally-used macro ID.