Package snap.props

Class UndoSet

java.lang.Object
snap.props.UndoSet
public class UndoSet extends Object
This class represents a single undo but holds a list of PropChanges.

  • Field Details

    • _undoTitle

      protected String _undoTitle

    • _undoSelection

      protected Object _undoSelection

    • _redoSelection

      protected Object _redoSelection

    • _closed

      protected boolean _closed

  • Constructor Details

    • UndoSet

      public UndoSet()
      Creates a new empty undo set.

  • Method Details

    • getUndoTitle

      public String getUndoTitle()
      Returns the undo title.

    • getFullUndoTitle

      public String getFullUndoTitle()
      Returns the full title of this undo when used for undo.

    • getFullRedoTitle

      public String getFullRedoTitle()
      Returns the full title of this undo when used for redo.

    • isEmpty

      public boolean isEmpty()
      Returns whether this set has no changes.

    • getChangeCount

      public int getChangeCount()
      Returns the number of changes.

    • getChanges

      public List<PropChange> getChanges()
      Returns the selection to be set if undo is executed.

    • getUndoSelection

      public Object getUndoSelection()
      Returns the selection to be set if undo is executed.

    • getRedoSelection

      public Object getRedoSelection()
      Returns the selection to be set if redo is executed.

    • mergePropChange

      public boolean mergePropChange(PropChange newPC)
      Tries to merge property change.

    • addPropChange

      public void addPropChange(PropChange anEvent)
      Adds a property change.

    • undo

      public void undo()
      Executes undo for this event.

    • redo

      public void redo()
      Executes redo for this event.

    • reset

      public void reset()
      Resets this undo event for reuse.

    • toString

      public String toString()
      Standard toString implementation.
      Overrides:
      toString in class Object