Package org.jgraph.graph

Class GraphUndoManager

  • All Implemented Interfaces:
    java.io.Serializable, java.util.EventListener, javax.swing.event.UndoableEditListener, javax.swing.undo.UndoableEdit
    public class GraphUndoManager
extends javax.swing.undo.UndoManager
    An UndoManager that may be shared among multiple GraphLayoutCache's.
    See Also:
    Serialized Form

    • Field Summary

      • Fields inherited from class javax.swing.undo.CompoundEdit

        edits

      • Fields inherited from class javax.swing.undo.AbstractUndoableEdit

        RedoName, UndoName

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      boolean canRedo​(java.lang.Object source)
      Overridden to preserve usual semantics: returns true if a redo operation would be successful now for the given view, false otherwise
      boolean canUndo​(java.lang.Object source)
      Overridden to preserve usual semantics: returns true if an undo operation would be successful now for the given view, false otherwise
      protected javax.swing.undo.UndoableEdit editToBeRedone​(java.lang.Object source)  
      protected javax.swing.undo.UndoableEdit editToBeUndone​(java.lang.Object source)  
      protected javax.swing.undo.UndoableEdit nextEditToBeRedone​(javax.swing.undo.UndoableEdit current)
      Returns the the next significant edit wrt to current to be redone if redo is called.
      protected javax.swing.undo.UndoableEdit nextEditToBeUndone​(javax.swing.undo.UndoableEdit current)
      Returns the the next significant edit wrt to current to be undone if undo is called.
      void redo​(java.lang.Object source)
      If this UndoManager is inProgress, redoes the last significant UndoableEdit with respect to source or after, and all insignificant edits up to it.
      void undo​(java.lang.Object source)
      If this UndoManager is inProgress, undo the last significant UndoableEdit wrt to source, and all insignificant edits back to it.

      • Methods inherited from class javax.swing.undo.UndoManager

        addEdit, canRedo, canUndo, canUndoOrRedo, discardAllEdits, editToBeRedone, editToBeUndone, end, getLimit, getRedoPresentationName, getUndoOrRedoPresentationName, getUndoPresentationName, redo, redoTo, setLimit, toString, trimEdits, trimForLimit, undo, undoableEditHappened, undoOrRedo, undoTo

      • Methods inherited from class javax.swing.undo.CompoundEdit

        die, getPresentationName, isInProgress, isSignificant, lastEdit

      • Methods inherited from class javax.swing.undo.AbstractUndoableEdit

        replaceEdit

      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

    • Constructor Detail

      • GraphUndoManager

        public GraphUndoManager()

    • Method Detail

      • canUndo

        public boolean canUndo​(java.lang.Object source)
        Overridden to preserve usual semantics: returns true if an undo operation would be successful now for the given view, false otherwise

      • canRedo

        public boolean canRedo​(java.lang.Object source)
        Overridden to preserve usual semantics: returns true if a redo operation would be successful now for the given view, false otherwise

      • undo

        public void undo​(java.lang.Object source)
        If this UndoManager is inProgress, undo the last significant UndoableEdit wrt to source, and all insignificant edits back to it. Updates indexOfNextAdd accordingly.

        If not inProgress, indexOfNextAdd is ignored and super's routine is called.

        See Also:
        UndoManager.undo()

      • editToBeUndone

        protected javax.swing.undo.UndoableEdit editToBeUndone​(java.lang.Object source)

      • nextEditToBeUndone

        protected javax.swing.undo.UndoableEdit nextEditToBeUndone​(javax.swing.undo.UndoableEdit current)
        Returns the the next significant edit wrt to current to be undone if undo is called. May return null.

      • redo

        public void redo​(java.lang.Object source)
        If this UndoManager is inProgress, redoes the last significant UndoableEdit with respect to source or after, and all insignificant edits up to it. Updates indexOfNextAdd accordingly.

        If not inProgress, indexOfNextAdd is ignored and super's routine is called.

      • editToBeRedone

        protected javax.swing.undo.UndoableEdit editToBeRedone​(java.lang.Object source)

      • nextEditToBeRedone

        protected javax.swing.undo.UndoableEdit nextEditToBeRedone​(javax.swing.undo.UndoableEdit current)
        Returns the the next significant edit wrt to current to be redone if redo is called. May return null.