Ptidej-v5.2-master/POM Tests/data/ArgoUML_0.28/src/org/argouml/uml/ui/ActionRemoveModelElement.java
// $Id: ActionRemoveModelElement.java 11516 2006-11-25 04:30:15Z tfmorris $
// Copyright (c) 1996-2006 The Regents of the University of California. All
// Rights Reserved. Permission to use, copy, modify, and distribute this
// software and its documentation without fee, and without a written
// agreement is hereby granted, provided that the above copyright notice
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// uninterrupted or error-free. The end-user understands that the program
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// $header$
package org.argouml.uml.ui;

import java.awt.event.ActionEvent;

import org.argouml.kernel.Project;
import org.argouml.kernel.ProjectManager;

/**
 * Action to delete modelelements from the model without navigating
 * to/from them.  Used in UMLMutableList for deletion of modelelements
 * from the list.
 * @see org.argouml.uml.ui.ActionDeleteModelElements
 * @since Oct 2, 2002
 * @author jaap.branderhorst@xs4all.nl
 * @stereotype singleton
 */
public class ActionRemoveModelElement extends AbstractActionRemoveElement {

    /**
     * The singleton.
     */
    public static final ActionRemoveModelElement SINGLETON =
	new ActionRemoveModelElement();

    /**
     * Constructor for ActionRemoveModelElement.
     */
    protected ActionRemoveModelElement() {
        super();
    }

    /*
     * @see java.awt.event.ActionListener#actionPerformed(java.awt.event.ActionEvent)
     */
    public void actionPerformed(ActionEvent e) {
        super.actionPerformed(e);
        Project p = ProjectManager.getManager().getCurrentProject();
        if (getObjectToRemove() != null
                && ActionDeleteModelElements.sureRemove(getObjectToRemove()))
            p.moveToTrash(getObjectToRemove());
        setObjectToRemove(null);
    }


    /*
     * @see javax.swing.Action#isEnabled()
     */
    public boolean isEnabled() {
        return getObjectToRemove() != null;
    }

}
