package org.catacomb.druid.swing;
   
   import java.awt.Color;
   import java.awt.Component;
   import java.awt.Graphics;
   import java.awt.event.ActionEvent;
   import java.awt.event.ActionListener;
   import java.awt.event.MouseEvent;
   import java.awt.event.MouseListener;
  import java.util.ArrayList;
  
  import javax.swing.Icon;
  import javax.swing.JButton;
  import javax.swing.JComponent;
  import javax.swing.JPopupMenu;
  import javax.swing.event.ChangeEvent;
  
  import org.catacomb.druid.event.LabelActor;
  import org.catacomb.interlish.interact.DComponent;
  import org.catacomb.interlish.structure.SpecialStrings;
  
  
  
  public class DValueHistory extends JButton implements DComponent,
      ActionListener, LabelActor, Icon, MouseListener {
  
      static final long serialVersionUID = 1001;
  
      LabelActor lact;
  
      JPopupMenu menu;
  
      ArrayList<String> values = new ArrayList<String>();
  
      RolloverEffect rollover;
  
  
  
      public DValueHistory() {
          this(new String[0]);
      }
  
      public DValueHistory(String[] vals) {
          super("");
          setIcon(this);
  
          rollover = new RolloverEffect(this);
          addMouseListener(rollover);
          // setBorder(BorderFactory.createEtchedBorder());
  
  
          addActionListener(this);
          addMouseListener(this);
          setFocusPainted(false);
  
  
          setOptions(vals);
      }
  
  
  
      public void setBg(Color c) {
          setBackground(c);
          menu.setBackground(c);
          rollover.setBg(c);
      }
  
  
  
  
      public void checkContains(String s) {
          if (!values.contains(s)) {
              values.add(0, s);
              checkSize();
              updateOptions();
          }
      }
  
  
  
      public void setOptions(String[] vals) {
          for (String s : vals) {
              if (values.contains(s)) {
                  // OK
              } else {
                  values.add(0, s);
              }
          }
          checkSize();
          updateOptions();
      }
  
  
      private void checkSize() {
          if (values.size() > 12) {
              for (int i = values.size()-1; i >= 12; i--) {
                  values.remove(i);
              }
          }
     }
 
     public void updateOptions() {
         menu = new JPopupMenu();
 
         DMenuItem dminone = new DMenuItem(SpecialStrings.NONE_STRING);
         dminone.setLabelActor(this);
         menu.add(dminone);
         menu.addSeparator();
 
         for (String s : values) {
             DMenuItem dmi = new DMenuItem(s);
             dmi.setLabelActor(this);
             menu.add(dmi);
 
         }
 
     }
 
 
     public void labelAction(String s, boolean b) {
         deliverAction(s, true);
     }
 
 
 
     public void actionPerformed(ActionEvent aev) {
         // System.out.println("dchoice action event");
         // menu.show(this, 0, 18);
     }
 
     public void stateChanged(ChangeEvent cev) {
 
     }
 
 
     public void showMenu() {
         menu.show(this, 0, 18);
     }
 
 
 
     public void setLabelActor(LabelActor bl) {
         lact = bl;
     }
 
 
 
     public void deliverAction(String s, boolean b) {
         if (lact != null) {
             lact.labelAction(s, b);
         }
     }
 
 
 
     // icon methods to draw the button;
     public void paintIcon(Component c, Graphics g, int x, int y) {
         JComponent component = (JComponent)c;
         int iconWidth = getIconWidth();
 
         g.translate(x, y);
 
         g.setColor(component.isEnabled() ? Color.gray : Color.blue);
 
         g.drawLine(2, 0, iconWidth - 1, 0);
         g.drawLine(3, 1, 1 + (iconWidth - 3), 1);
         g.drawLine(5, 3, 3 + (iconWidth - 7), 3);
         g.drawLine(6, 4, 4 + (iconWidth - 9), 4);
 
         g.translate(-x, -y);
     }
 
 
     public int getIconWidth() {
         return 12;
     }
 
 
     public int getIconHeight() {
         return 5;
     }
 
 
 
     public void mouseClicked(MouseEvent e) {
     }
 
     public void mouseReleased(MouseEvent e) {
     }
 
     public void mouseEntered(MouseEvent e) {
     }
 
     public void mouseExited(MouseEvent e) {
     }
 
 
     public void mousePressed(MouseEvent e) {
         showMenu();
     }
 
 
 
     public void setTooltip(String s) {
         // TODO Auto-generated method stub
 
     }
 
 
 }