Examples of javax.swing.event.UndoableEditEvent

javax.swing.event.UndoableEditEvent
An event indicating that an operation which can be undone has occurred.
Warning: Serialized objects of this class will not be compatible with future Swing releases. The current serialization support is appropriate for short term storage or RMI between applications running the same version of Swing. As of 1.4, support for long term storage of all JavaBeans™ has been added to the java.beans package. Please see {@link java.beans.XMLEncoder}. @author Ray Ryan

        UEListener listener3 = new UEListener("3");
        ues1.addUndoableEditListener(listener1);
        ues1.addUndoableEditListener(listener2);
        ues1.addUndoableEditListener(listener3);
        UndoableEdit ue = new CompoundEdit();
        UndoableEditEvent uee = new UndoableEditEvent(ues1.realSource, ue);
        ues1._postEdit(ue);
        assertEquals("123", fireOrder);
        checkEvent(uee, listener1.event);
        checkEvent(uee, listener2.event);
        checkEvent(uee, listener3.event);

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            assertEquals(0, ues1.compoundEdit.edits.size());
        }
        ues1.compoundEdit = ce;
        for (int i = 0; i < 10; i++) {
            CompoundEdit ce1 = ues1.compoundEdit;
            UndoableEditEvent uee = new UndoableEditEvent(ues1.realSource, ce1);
            resetDbgInfo(ce, ues1);
            ues1.endUpdate();
            assertEquals(4 - i, ues1.updateLevel);
            if (ues1.updateLevel == 0) {
                assertTrue(ues1.wasCallPostEdit);

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            return null;
        }
    };


    public void testFireUndoableEditUpdate() {
        UndoableEditEvent undoEvent = new UndoableEditEvent(doc, new AbstractUndoableEdit());
        doc.addUndoableEditListener(this);
        doc.fireUndoableEditUpdate(undoEvent);
        checkCalledEvents(false, false, false, true);
        assertSame(undoEvent, undo);
    }

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        newTriangle.addToObjects(objects);
        clearAndHide();
        step.setOutputs(new Object[]
             {newTriangle.getSides()[0], newTriangle.getSides()[1],
              newTriangle.getSides()[2], newTriangle});
        fireUndoableEditUpdate(new UndoableEditEvent(this, step));
      }
      else {
        JOptionPane.showMessageDialog(this, "Please select three distinct"+
              " non-collinear points", "Try Again", JOptionPane.ERROR_MESSAGE);
        initDialog();
      }
    }
    else if (step.getConstructionType() == POINT_LINE) {
      Point P1 = (Point)step.getInputs()[0];
      Line L1 = (Line)step.getInputs()[1];
      if (!(P1.canIntersect(L1))) {
        Triangle newTriangle = new Triangle(P1, L1);
        newTriangle.addToObjects(objects);
        clearAndHide();
        step.setOutputs(new Object[]
          {newTriangle.getSides()[1], newTriangle.getSides()[2], newTriangle});
        fireUndoableEditUpdate(new UndoableEditEvent(this, step));
      }
      else {
        JOptionPane.showMessageDialog(this, "Please select a point that does "+
              "not lie on the line", "Try Again", JOptionPane.ERROR_MESSAGE);
        initDialog();

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  }


  public abstract void initDialog();
  
  protected void constructionCancelled() {
    fireUndoableEditUpdate(new UndoableEditEvent(this, null));
  }

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      Point newPoint = new Point(((Double)step.getInputs()[0]).doubleValue(),
                        ((Double)step.getInputs()[1]).doubleValue());
      newPoint.addToObjects(objects);
      clearAndHide();
      step.setOutputs(new Object[]{newPoint});
      fireUndoableEditUpdate(new UndoableEditEvent(this, step));
    }
    else {
      System.err.println("Bad construction type");
    }
  }

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            Triangle newTriangle = new Triangle(ptOppSelSide, newSide);
            newTriangle.addToObjects(objects);
            clearAndHide();
            step.setOutputs(new Object[]{ptOppSelSide, newTriangle.getSides()[1],
                        newTriangle.getSides()[2], newTriangle});
            fireUndoableEditUpdate(new UndoableEditEvent(this, step));
            return;
          }
        }
        ptOppSelSide.move(new Point(), angleOfRotation, centreOfRotation);
        Triangle newTriangle = new Triangle(ptOppSelSide, newSide);
        newTriangle.addToObjects(objects);
        clearAndHide();
        step.setOutputs(new Object[]{ptOppSelSide, newTriangle.getSides()[1],
                    newTriangle.getSides()[2], newTriangle});
        fireUndoableEditUpdate(new UndoableEditEvent(this, step));
      }
      else {
        JOptionPane.showMessageDialog(this, "Lengths of old & new sides must be equal",
                        "Try Again", JOptionPane.ERROR_MESSAGE);
        initDialog();

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        ((Line)obj2).addPropertyChangeListener(Line.PROP_ANGLE, newLine);
        newLine.addPropertyChangeListener(Line.PROP_ANGLE, (Line)obj2);
      }        
      clearAndHide();
      step.setOutputs(new Object[]{newLine.getEnd(), newLine});
      fireUndoableEditUpdate(new UndoableEditEvent(this, step));
    }
    else if (step.getConstructionType() == TWO_POINTS) {
      Point p1 = (Point)step.getInputs()[0];
      Point p2 = (Point)step.getInputs()[1];
      if (!p1.equalTo(p2)) {
        Line newLine = new Line(p1, p2);
        newLine.addToObjects(objects);
        clearAndHide();
        step.setOutputs(new Object[]{newLine});
        fireUndoableEditUpdate(new UndoableEditEvent(this, step));
      }
      else {
        JOptionPane.showMessageDialog(this, "Please select two different points",
                                  "Try Again", JOptionPane.ERROR_MESSAGE);
        initDialog();

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        step.getInputs()[4] = fixedPoint;
      }
      o.move(translation, rotation, fixedPoint);
      clearAndHide();
      step.setOutputs(new Object[]{o});
      fireUndoableEditUpdate(new UndoableEditEvent(this, step));
    }
    else
      System.err.println("Bad construction type");
  }

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      }
    }
    double[] b = fractal.getCoordinates();
    if (ke.getKeyCode() == KeyEvent.VK_DOWN) {
      fractal.translate(0.0, fractal.getCoordinateHeight()/10);
      undoManager.undoableEditHappened(new UndoableEditEvent(fractal, new UndoablePan(fractal, b, fractal.getCoordinates())));
    } else if (ke.getKeyCode() == KeyEvent.VK_UP) {
      fractal.translate(0.0, -fractal.getCoordinateHeight()/10);
      undoManager.undoableEditHappened(new UndoableEditEvent(fractal, new UndoablePan(fractal, b, fractal.getCoordinates())));
    } if (ke.getKeyCode() == KeyEvent.VK_LEFT) {
      fractal.translate(-fractal.getCoordinateWidth()/10, 0.0);
      undoManager.undoableEditHappened(new UndoableEditEvent(fractal, new UndoablePan(fractal, b, fractal.getCoordinates())));
    } if (ke.getKeyCode() == KeyEvent.VK_RIGHT) {
      fractal.translate(fractal.getCoordinateWidth()/10, 0.0);
      undoManager.undoableEditHappened(new UndoableEditEvent(fractal, new UndoablePan(fractal, b, fractal.getCoordinates())));
    }
    updateUndo();
  }

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