ccheckbox.java

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/******************************************************************************
 * The contents of this file are subject to the   Compiere License  Version 1.1
 * ("License"); You may not use this file except in compliance with the License
 * You may obtain a copy of the License at http://www.compiere.org/license.html
 * Software distributed under the License is distributed on an  "AS IS"  basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for
 * the specific language governing rights and limitations under the License.
 * The Original Code is Compiere ERP & CRM Smart Business Solution. The Initial
 * Developer of the Original Code is Jorg Janke. Portions created by Jorg Janke
 * are Copyright (C) 1999-2005 Jorg Janke.
 * All parts are Copyright (C) 1999-2005 ComPiere, Inc.  All Rights Reserved.
 * Contributor(s): ______________________________________.
 *****************************************************************************/
package org.compiere.swing;

import java.awt.Color;

import javax.swing.Action;
import javax.swing.Icon;
import javax.swing.JCheckBox;

import org.compiere.plaf.CompierePLAF;

/**
 *  Compiere CheckBox
 *
 *  @author     Jorg Janke
 *  @version    $Id: CCheckBox.java,v 1.9 2005/12/01 01:57:27 jjanke Exp $
 */
public class CCheckBox extends JCheckBox implements CEditor
{
	/**
	 * Creates an initially unselected check box button with no text, no icon.
	 */
	public CCheckBox ()
	{
		super ();
		init();
	}

	/**
	 * Creates an initially unselected check box with an icon.
	 *
	 * @param icon  the Icon image to display
	 */
	public CCheckBox(Icon icon)
	{
		super (icon);
		init();
	}

	/**
	 * Creates a check box with an icon and specifies whether
	 * or not it is initially selected.
	 *
	 * @param icon  the Icon image to display
	 * @param selected a boolean value indicating the initial selection
	 *        state. If <code>true</code> the check box is selected
	 */
	public CCheckBox(Icon icon, boolean selected)
	{
		super (icon, selected);
		init();
	}

	/**
	 * Creates an initially unselected check box with text.
	 *
	 * @param text the text of the check box.
	 */
	public CCheckBox (String text)
	{
		super (text);
		init();
	}

	/**
	 * Creates a check box where properties are taken from the
	 * Action supplied.
	 *  @param a
	 */
	public CCheckBox(Action a)
	{
		super (a);
		init();
	}

	/**
	 * Creates a check box with text and specifies whether
	 * or not it is initially selected.
	 *
	 * @param text the text of the check box.
	 * @param selected a boolean value indicating the initial selection
	 *        state. If <code>true</code> the check box is selected
	 */
	public CCheckBox (String text, boolean selected)
	{
		super (text, selected);
		init();
	}

	/**
	 * Creates an initially unselected check box with
	 * the specified text and icon.
	 *
	 * @param text the text of the check box.
	 * @param icon  the Icon image to display
	 */
	public CCheckBox(String text, Icon icon)
	{
		super (text, icon, false);
		init();
	}

	/**
	 * Creates a check box with text and icon,
	 * and specifies whether or not it is initially selected.
	 *
	 * @param text the text of the check box.
	 * @param icon  the Icon image to display
	 * @param selected a boolean value indicating the initial selection
	 *        state. If <code>true</code> the check box is selected
	 */
	public CCheckBox (String text, Icon icon, boolean selected)
	{
		super (text, icon, selected);
		init();
	}

	/**
	 *  Common Init
	 */
	private void init()
	{
		setFont(CompierePLAF.getFont_Label());
		setForeground(CompierePLAF.getTextColor_Label());
	}   //  init

	/*************************************************************************/

	/** Mandatory (default false)   */
	private boolean m_mandatory = false;
	/** Read-Write                  */
	private boolean m_readWrite = true;


	/**
	 *	Set Editor Mandatory
	 *  @param mandatory true, if you have to enter data
	 */
	public void setMandatory (boolean mandatory)
	{
		m_mandatory = mandatory;
		setBackground(false);
	}   //  setMandatory

	/**
	 *	Is Field mandatory
	 *  @return true, if mandatory
	 */
	public boolean isMandatory()
	{
		return m_mandatory;
	}   //  isMandatory

	/**
	 *	Enable Editor
	 *  @param rw true, if you can enter/select data
	 */
	public void setReadWrite (boolean rw)
	{
		if (super.isEnabled() != rw)
			super.setEnabled (rw);
		setBackground(false);
		m_readWrite = rw;
	}   //  setEditable

	/**
	 *	Is it possible to edit
	 *  @return true, if editable
	 */
	public boolean isReadWrite()
	{
		return m_readWrite;
	}   //  isEditable

	/**
	 *  Set Background based on editable/mandatory/error - ignored -
	 *  @param error if true, set background to error color, otherwise mandatory/editable
	 */
	public void setBackground (boolean error)
	{
	}   //  setBackground

	/**
	 *  Set Background
	 *  @param bg
	 */
	public void setBackground (Color bg)
	{
		if (bg.equals(getBackground()))
			return;
		super.setBackground(bg);
	}   //  setBackground


	/** Retain value        */
	private Object m_value = null;

	/**
	 *	Set Editor to value. Interpret Y/N and Boolean
	 *  @param value value of the editor
	 */
	public void setValue (Object value)
	{
		m_value = value;
		boolean sel = false;
		if (value == null)
			sel = false;
		else if (value.toString().equals("Y"))
			sel = true;
		else if (value.toString().equals("N"))
			sel = false;
		else if (value instanceof Boolean)
			sel = ((Boolean)value).booleanValue();
		else
		{
			try
			{
				sel = Boolean.getBoolean(value.toString());
			}
			catch (Exception e)
			{
			}
		}
		this.setSelected(sel);
	}   //  setValue

	/**
	 *	Return Editor value
	 *  @return current value as String or Boolean
	 */
	public Object getValue()
	{
		if (m_value instanceof String)
			return super.isSelected() ? "Y" : "N";
		return new Boolean (isSelected());
	}   //  getValue

	/**
	 *  Return Display Value
	 *  @return displayed String value
	 */
	public String getDisplay()
	{
		if (m_value instanceof String)
			return super.isSelected() ? "Y" : "N";
		return Boolean.toString(super.isSelected());
	}   //  getDisplay

	/**
	 * 	Set Text
	 *	@param mnemonicLabel text
	 */
	public void setText (String mnemonicLabel)
	{
		super.setText (createMnemonic(mnemonicLabel));
	}	//	setText
	
	/**
	 *  Create Mnemonics of text containing "&".
	 *	Based on MS notation of &Help => H is Mnemonics
	 *	Creates ALT_
	 *  @param text test with Mnemonics
	 *  @return text w/o &
	 */
	private String createMnemonic(String text)
	{
		if (text == null)
			return text;
		int pos = text.indexOf("&");
		if (pos != -1)					//	We have a nemonic
		{
			char ch = text.charAt(pos+1);
			if (ch != ' ')              //  &_ - is the & character
			{
				setMnemonic(ch);
				return text.substring(0, pos) + text.substring(pos+1);
			}
		}
		return text;
	}   //  createMnemonic

	
}   //  CCheckBox