src/main/java/jp/sourceforge/stigmata/ui/swing/ClippedLRListCellRenderer.java

   1 package jp.sourceforge.stigmata.ui.swing;
   2
   3 import java.awt.BorderLayout;
   4 import java.awt.Color;
   5 import java.awt.Component;
   6 import java.awt.Dimension;
   7 import java.awt.SystemColor;
   8
   9 import javax.swing.BorderFactory;
  10 import javax.swing.Icon;
  11 import javax.swing.JLabel;
  12 import javax.swing.JList;
  13 import javax.swing.JPanel;
  14 import javax.swing.ListCellRenderer;
  15
  16 /**
  17  * copy from tempura memo available at
  18  * http://terai.xrea.jp/Swing/ClippedLRComboBox.html
  19  *
  20  * @author Haruaki Tamada
  21  */
  22 public class ClippedLRListCellRenderer extends JPanel implements ListCellRenderer{
  23     private static final long serialVersionUID = 32943674625674235L;
  24
  25     private final JLabel left = new JLabel();
  26     private final JLabel right = new JLabel();
  27
  28     public ClippedLRListCellRenderer(Dimension dim, int rightWidth){
  29         super(new BorderLayout());
  30         left.setOpaque(true);
  31         right.setOpaque(true);
  32         left.setBorder(BorderFactory.createEmptyBorder(0, 2, 0, 0));
  33         right.setBorder(BorderFactory.createEmptyBorder(0, 5, 0, 0));
  34         right.setPreferredSize(new Dimension(rightWidth, 0));
  35
  36         add(left, BorderLayout.CENTER);
  37         add(right, BorderLayout.EAST);
  38         setPreferredSize(dim);
  39     }
  40
  41     @Override
  42     public Component getListCellRendererComponent(JList list, Object value, int index,
  43             boolean isSelected, boolean cellHasFocus){
  44         LRItem item = (LRItem)value;
  45         if(item != null){
  46             left.setText(String.valueOf(item.getLeft()));
  47             right.setText(String.valueOf(item.getRight()));
  48         }
  49
  50         if(item.getIcon() != null){
  51             left.setIcon(item.getIcon());
  52         }
  53
  54         setBackground(isSelected ? SystemColor.textHighlight: Color.white);
  55         left.setBackground(isSelected ? SystemColor.textHighlight: Color.white);
  56         right.setBackground(isSelected ? SystemColor.textHighlight: Color.white);
  57         left.setForeground(isSelected ? Color.white: Color.black);
  58         right.setForeground(isSelected ? Color.gray.brighter(): Color.gray);
  59
  60         return this;
  61     }
  62
  63     public static class LRItem{
  64         private Object left;
  65         private Object right;
  66         private Icon icon;
  67
  68         public LRItem(Icon icon, Object left, Object right){
  69             this(left, right);
  70             setIcon(icon);
  71         }
  72
  73         public LRItem(Object left, Object right){
  74             setLeft(left);
  75             setRight(right);
  76         }
  77
  78         public Icon getIcon(){
  79             return icon;
  80         }
  81
  82         public void setIcon(Icon icon){
  83             this.icon = icon;
  84         }
  85
  86         public Object getLeft(){
  87             return left;
  88         }
  89
  90         public void setLeft(Object left){
  91             this.left = left;
  92         }
  93
  94         public Object getRight(){
  95             return right;
  96         }
  97
  98         public void setRight(Object right){
  99             this.right = right;
 100         }
 101     }
 102 }