MinimalMarkupControls.java

package edu.cmu.minorthird.text.gui;

import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.Collections;
import java.util.Iterator;
import java.util.Set;

import javax.swing.JComboBox;
import javax.swing.text.SimpleAttributeSet;

import edu.cmu.minorthird.text.SpanDifference;
import edu.cmu.minorthird.text.TextLabels;
import edu.cmu.minorthird.util.gui.ViewerControls;

/**
 * A compact control window for marking spans up in a labeling.
 * 
 * @author William Cohen
 */

public class MinimalMarkupControls extends MarkupControls{

	static final long serialVersionUID=20080306L;
	
	private static final String MENU_STRING=" -select type- ";

	private static final SimpleAttributeSet HIGHLIGHT_COLOR=HiliteColors.yellow;

	private JComboBox typeBox; // selects highlighted type

//	private SpanDifference sd; // result of diffing two types

	public MinimalMarkupControls(TextLabels labels){
		super(labels);
	}

	/**
	 * Lay out the controls - override the super class
	 */
	@Override
	protected void initialize(){
		if(types==null)
			return; // will go back and initialize later
		typeBox=new JComboBox();
		typeBox.addItem(MENU_STRING);
		for(Iterator<String> i=types.iterator();i.hasNext();){
			String type=i.next();
			typeBox.addItem(type);
		}
		add(typeBox);
		typeBox.addActionListener(new ActionListener(){

			@Override
			public void actionPerformed(ActionEvent ev){
				MinimalMarkupControls.this.getControlledViewer().applyControls(
						MinimalMarkupControls.this);
			}
		});
		addApplyButton();
	}

	@Override
	public int preferredLocation(){
		return ViewerControls.BOTTOM;
	}

	@Override
	public boolean prefersToBeResized(){
		return true;
	}

	//
	// what's exported to the viewer...
	//

	/**
	 * Tell the ControlledViewer what color is associated with a type.
	 */
	@Override
	public SimpleAttributeSet getColor(String type){
		String selectedType=(String)typeBox.getSelectedItem();
		if(selectedType.equals(type))
			return HIGHLIGHT_COLOR;
		else
			return null;
	}

	/**
	 * Tell the ControlledViewer what color is associated with a property/value
	 * pair
	 */
	@Override
	public SimpleAttributeSet getColor(String prop,String value){
		return null;
	}

	@Override
	public Set<String> getColoredProperties(){
		return Collections.<String>emptySet();
	}

	@Override
	public Set<String> getColoredValues(String prop){
		return Collections.<String>emptySet();
	}

	/**
	 * Export a span difference to the controlled Span Viewer.
	 */
	@Override
	public SpanDifference getSpanDifference(){
		return null;
	}

}