// Sample code file: CheckboxPanel.java

/***************************************************************************
$name: CheckboxPanel.java 
$version: 1.0 
$date_modified: 210104 
$description:  
$owner: Beans for Novell Services Team 
Copyright (c) 1998 Novell, Inc. All Rights Reserved.

THIS WORK IS SUBJECT TO U.S. AND INTERNATIONAL COPYRIGHT LAWS AND TREATIES.
USE AND REDISTRIBUTION OF THIS WORK IS SUBJECT TO THE LICENSE AGREEMENT
ACCOMPANYING THE SOFTWARE DEVELOPMENT KIT (SDK) THAT CONTAINS THIS WORK.
PURSUANT TO THE SDK LICENSE AGREEMENT, NOVELL HEREBY GRANTS TO DEVELOPER A
ROYALTY-FREE, NON-EXCLUSIVE LICENSE TO INCLUDE NOVELL'S SAMPLE CODE IN ITS
PRODUCT. NOVELL GRANTS DEVELOPER WORLDWIDE DISTRIBUTION RIGHTS TO MARKET,
DISTRIBUTE, OR SELL NOVELL'S SAMPLE CODE AS A COMPONENT OF DEVELOPER'S
PRODUCTS. NOVELL SHALL HAVE NO OBLIGATIONS TO DEVELOPER OR DEVELOPER'S
CUSTOMERS WITH RESPECT TO THIS CODE.
****************************************************************************/
import java.awt.Panel;
import java.awt.Label;
import java.awt.Graphics;
import java.awt.FontMetrics;
import java.awt.Rectangle;
import java.awt.Color;
import java.awt.Checkbox;
import java.awt.CheckboxGroup;
import java.awt.Font;
import java.awt.Dimension;

public class CheckboxPanel extends FramedPanel
{
   Checkbox[]     checkboxes = null;
   boolean        grouped = false;
   CheckboxGroup  cbg = null;
   boolean        sizesInvalid = true;

   public CheckboxPanel(int width, int height)
   {
      super(width, height);

      setLayout(null);
   }

   public CheckboxPanel(int width, int height, String[] aLabelArray)
   {
      super(width, height);

      setLayout(null);

      setLabels(aLabelArray);
   }

   public void setLabels(String[] aLabelArray)
   {
      checkboxes = new Checkbox[aLabelArray.length];
      for (int i = 0; i < aLabelArray.length; i++) {
         checkboxes[i] = new Checkbox(aLabelArray[i]);
         add(checkboxes[i]);
      }
      setGrouped(grouped);

      sizesInvalid = true;
   }

   public void setGrouped(boolean groupedFlag)
   {
      grouped = groupedFlag;
      if (checkboxes != null) {
         if (grouped) {
            cbg = new CheckboxGroup();
            for (int i = 0; i < checkboxes.length; i++) {
               checkboxes[i].setCheckboxGroup(cbg);
            }
         } else {
            for (int i = 0; i < checkboxes.length; i++) {
               checkboxes[i].setCheckboxGroup(null);
            }
         }
      }
   }

   public void setSelectedLabels(String[] selectedLabels)
   {
      for (int i = 0; i < checkboxes.length; i++) {
         for (int j = 0; j < selectedLabels.length; j++) {
            if (checkboxes[i].getLabel().equals(selectedLabels[j])) {
               checkboxes[i].setState(true);
            }
         }
      }
   }

   void setSizes(FontMetrics fm)
   {
      if (checkboxes == null) {
         return;
      }

      Dimension   d = getSize();
      int         maxWidth = (d.width / checkboxes.length) - 2;

      for (int i = 0; i < checkboxes.length; i++) {
         int   strWidth = fm.stringWidth(checkboxes[i].getLabel());
         checkboxes[i].setBounds(4 + (maxWidth * i), 5, strWidth + 24, 22);
      }
   }

   public void setBounds(int x, int y, int width, int height)
   {
      super.setBounds(x, y, width, height);

      if (checkboxes != null) {
         sizesInvalid = true;
      }
   }

   public void setBounds(Rectangle newBounds)
   {
      setBounds(newBounds.x, newBounds.y, newBounds.width, newBounds.height);
   }

   public void setSize(int width, int height)
   {
      super.setSize(width, height);

      if (checkboxes != null) {
         sizesInvalid = true;
      }
   }

   public void setSize(Dimension newSize)
   {
      setSize(newSize.width, newSize.height);
   }

   public void paint(Graphics g)
   {
      if (sizesInvalid && (checkboxes != null)) {
         setSizes(g.getFontMetrics());
         invalidate();
         validate();
         sizesInvalid = false;
      }

      super.paint(g);
   }
}