javax.swing.text: class: StringContent.InsertUndo

javax.swing.text
class: StringContent.InsertUndo [javadoc | source]

java.lang.Object
   javax.swing.undo.AbstractUndoableEdit
      javax.swing.text.StringContent$InsertUndo

All Implemented Interfaces:
UndoableEdit, Serializable

UnoableEdit created for inserts.

Field Summary
protected int	offset
protected int	length
protected String	string
protected Vector	posRefs

Fields inherited from javax.swing.undo.AbstractUndoableEdit:
UndoName, RedoName, hasBeenDone, alive

Constructor:
protected InsertUndo(int offset, int length) { super(); this.offset = offset; this.length = length; }

Method from javax.swing.text.StringContent$InsertUndo Summary:
redo, undo

Methods from javax.swing.undo.AbstractUndoableEdit:
addEdit, canRedo, canUndo, die, getPresentationName, getRedoPresentationName, getUndoPresentationName, isSignificant, redo, replaceEdit, toString, undo

Methods from java.lang.Object:
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method from javax.swing.text.StringContent$InsertUndo Detail:
public void redo() throws CannotRedoException { super.redo(); try { synchronized(StringContent.this) { insertString(offset, string); string = null; // Update the Positions that were in the range removed. if(posRefs != null) { updateUndoPositions(posRefs); posRefs = null; } } } catch (BadLocationException bl) { throw new CannotRedoException(); } }
public void undo() throws CannotUndoException { super.undo(); try { synchronized(StringContent.this) { // Get the Positions in the range being removed. if(marks != null) posRefs = getPositionsInRange(null, offset, length); string = getString(offset, length); remove(offset, length); } } catch (BadLocationException bl) { throw new CannotUndoException(); } }

Method from javax.swing.text.StringContent$InsertUndo Detail:

 public  void redo() throws CannotRedoException {
            super.redo();
            try {
                synchronized(StringContent.this) {
                    insertString(offset, string);
                    string = null;
                    // Update the Positions that were in the range removed.
                    if(posRefs != null) {
                        updateUndoPositions(posRefs);
                        posRefs = null;
                    }
              }
            } catch (BadLocationException bl) {
              throw new CannotRedoException();
            }
}

 public  void undo() throws CannotUndoException {
            super.undo();
            try {
                synchronized(StringContent.this) {
                    // Get the Positions in the range being removed.
                    if(marks != null)
                        posRefs = getPositionsInRange(null, offset, length);
                    string = getString(offset, length);
                    remove(offset, length);
                }
            } catch (BadLocationException bl) {
              throw new CannotUndoException();
            }
}