Examples of org.evolizer.daforjava.commands.CommandController

org.evolizer.daforjava.commands.CommandController
This class provides the functionality to:
- executed graph edit commands
- undo graph edit commands
- redo graph edit commands
Clients are notified of the corresponding action via property change events. @author pinzger

     * 
     * @param graphLoader The graph loader
     */
    public DAForJavaGraphPanel(GraphLoader graphLoader) {
        fGraphLoader = graphLoader;
        fCommandController = new CommandController();
        fDependencyGraph = new DependencyGraph();


        fViewConfigModel = new ViewConfigModel();
        fPolymetricViewDataCollector = new PolymetricViewDataContainer(this);
    }

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    @Test
    public void undoRedoShowClassPlanet() {
        showClassPlanet();
        
        CommandController commandController = fGraphPanel.getCommandController();
        Assert.assertEquals("Command controller must be able to undo the last command ", true, commandController.canUndo());
        
        commandController.undoCommand();
        Assert.assertEquals("Graph must not contain nodes after undo", 0, fGraphPanel.getGraph().nodeCount());
        Assert.assertEquals("Graph must not contain edges after undo", 0, fGraphPanel.getGraph().edgeCount());
        Assert.assertEquals("There should be no more command to be undone", false, commandController.canUndo());
        
        Assert.assertEquals("Command controller must be able to redo the last command ", true, commandController.canRedo());
        commandController.redoCommand();
        Assert.assertEquals("There should be no more command to be redone", false, commandController.canRedo());
        
        checkClassPlanet();
    }

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    public void propertyChange(PropertyChangeEvent evt) {
        if (evt.getPropertyName().equals(CommandController.COMMAND_EXECUTED) 
                || evt.getPropertyName().equals(CommandController.COMMAND_UNDONE) 
                || evt.getPropertyName().equals(CommandController.COMMAND_REDONE)) {


            CommandController controller = (CommandController) evt.getSource();
            if (!controller.canRedo()) {
                fRedoButton.setEnabled(false);
            } else {
                fRedoButton.setEnabled(true);
            }
            if (!controller.canUndo()) {
                fUndoButton.setEnabled(false);
            } else {
                fUndoButton.setEnabled(true);
            }
        }

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    /** 
     * {@inheritDoc}
     */
    public void actionPerformed(ActionEvent e) {
        CommandController controller = fGraphPanel.getCommandController();
        controller.redoCommand();
    }

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    /** 
     * {@inheritDoc}
     */
    public void actionPerformed(ActionEvent e) {
        CommandController controller = fGraphPanel.getCommandController();
        controller.undoCommand();
    }

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Related Classes of org.evolizer.daforjava.commands.CommandController

org.evolizer.daforjava.graph.panel.DAForJavaGraphPanel

org.evolizer.daforjava.graph.panel.toolbar.DAForJavaToolbar

org.evolizer.daforjava.graph.panel.toolbar.RedoCommandAction

org.evolizer.daforjava.graph.panel.toolbar.UndoCommandAction

org.evolizer.daforjava.test.HierarchicGraphLoaderTest

java.beans.PropertyChangeSupport

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