view src/samer/core_/util/heavy/TextualNumberViewer.java @ 0:bf79fb79ee13

Initial Mercurial check in.

package samer.core.util.heavy;
import samer.core.*;
import java.awt.*;
import java.awt.event.*;

public class TextualNumberViewer extends VPanel
	 implements NumberViewer, FocusListener, ActionListener
{
	TextField	rt;
	NumberSink	model;
	boolean		real;

	public TextualNumberViewer(String label, int flags, NumberSink model)
	{
		setLayout(new BorderLayout()); 
		setName(label);

		rt = new TextField(Shell.getInt("field.width",4));
		rt.setBackground(Shell.getColor("field.background",null));
		rt.setForeground(Shell.getColor("field.foreground",null));
		add( rt,"East");

		if (model!=null) {
			this.model=model;
			rt.addFocusListener(this);
			rt.addActionListener(this);
			real = ((flags & INTEGER)==0);
		}
	}

	public void set(int num) {
		rt.setText(String.valueOf(num));
	}
	public void set(double num) {
		rt.setText(X.string(num));
	}

	private void textChanged() {
		if (real) model.set(X.parseDouble(rt.getText())); 
		else model.set(Integer.decode(rt.getText()).intValue());
	}

	public void focusGained( FocusEvent e) {}
	public void focusLost( FocusEvent e) {	textChanged();	}
	public void actionPerformed( ActionEvent e) { textChanged(); }
}