BooleanPropertyDescriptor.java

package tk.eclipse.plugin.htmleditor.gefutils;

import org.eclipse.jface.viewers.CellEditor;
import org.eclipse.jface.viewers.ComboBoxCellEditor;
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.ui.views.properties.PropertyDescriptor;

/**
 * The PropertyDescriptor for the boolean value.
 * 
 * @author Naoki Takezoe
 */
public class BooleanPropertyDescriptor extends PropertyDescriptor {
	
	public BooleanPropertyDescriptor(Object id,String displayName){
		super(id,displayName);
	}
	
    @Override
    public CellEditor createPropertyEditor(Composite parent) {
        CellEditor editor = new ComboBoxCellEditor(
        		parent, new String[]{"true","false"},SWT.READ_ONLY){
        	@Override
          protected void doSetValue(Object value){
        		if(((Boolean)value).booleanValue()){
        			super.doSetValue(Integer.valueOf(0));
        		} else {
        			super.doSetValue(Integer.valueOf(1));
        		}
        	}
        	@Override
          protected Object doGetValue(){
        		int selection = ((Integer)super.doGetValue()).intValue();
        		if(selection==0){
        			return Boolean.TRUE;
        		} else {
        			return Boolean.FALSE;
        		}
        	}
        };
        
        if (getValidator() != null)
            editor.setValidator(getValidator());
        
        return editor;
    }

	
	
}