Examples of org.evolizer.daforjava.commands.CommandController.canUndo()

Class org.evolizer.daforjava.commands.CommandController

Examples of org.evolizer.daforjava.commands.CommandController.canUndo()

org.evolizer.daforjava.commands.CommandController.canUndo()
Check whether a command can be undone. @return True, if a command can be undone, otherwise false.

    @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());

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        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());

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

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