AbstractLaunchTabPiece.java

package bndtools.launch.ui;

import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;
import java.beans.PropertyChangeSupport;

public abstract class AbstractLaunchTabPiece implements ILaunchTabPiece {

    private final PropertyChangeSupport propSupport = new PropertyChangeSupport(this);

    private boolean dirty = false;

    public void addPropertyChangeListener(PropertyChangeListener listener) {
        propSupport.addPropertyChangeListener(listener);
    }

    public void removePropertyChangeListener(PropertyChangeListener listener) {
        propSupport.removePropertyChangeListener(listener);
    }

    protected void firePropertyChange(String propertyName, Object oldValue, Object newValue) {
        propSupport.firePropertyChange(propertyName, oldValue, newValue);
    }

    protected void firePropertyChange(String propertyName, int oldValue, int newValue) {
        propSupport.firePropertyChange(propertyName, oldValue, newValue);
    }

    protected void firePropertyChange(String propertyName, boolean oldValue, boolean newValue) {
        propSupport.firePropertyChange(propertyName, oldValue, newValue);
    }

    protected void firePropertyChange(PropertyChangeEvent evt) {
        propSupport.firePropertyChange(evt);
    }

    public boolean isDirty() {
        return dirty;
    }

    protected void setDirty(boolean dirty) {
        this.dirty = dirty;
    }

    public String checkForError() {
        return null;
    }
}