package com.c2kernel.gui.tabs.outcome.form.field;

import java.awt.Component;
import java.awt.event.FocusEvent;

import javax.swing.JCheckBox;
import javax.swing.text.JTextComponent;

import com.c2kernel.utils.Logger;

/**************************************************************************
 *
 * $Revision: 1.7 $
 * $Date: 2005/08/16 13:59:56 $
 *
 * Copyright (C) 2003 CERN - European Organization for Nuclear Research
 * All rights reserved.
 **************************************************************************/
public class BooleanEditField extends StringEditField {
    
    JCheckBox checkbox;
    
    public BooleanEditField() {
        checkbox = new JCheckBox();
        checkbox.setSelected(false);
        checkbox.addFocusListener(this);
    }
    
    public String getText() {
        return String.valueOf(checkbox.isSelected());
    }

    public void setText(String text) {
        boolean newState = false;
        try {
            newState = Boolean.valueOf(text).booleanValue();
        } catch (Exception ex) {
            Logger.error("Invalid value for checkbox: "+text);
        }
        checkbox.setSelected(newState);   
    }

    public void setEditable(boolean editable) {
		super.setEditable(editable);
        checkbox.setEnabled(editable);
    }

    public Component getControl() {
        return checkbox;
    }
    
    public String getDefaultValue() {
        return "false";
    }    
    
    /** don't reserve the item finder for a boolean */
    public void focusGained(FocusEvent e) {
        helpPane.setHelp(name, helpText);
    }
    
    /**
     *
     */
    public JTextComponent makeTextField() {
        // not used by boolean
        return null;
    }
}