[9] | 1 | package jp.ac.osaka_u.sanken.util;
|
---|
| 2 |
|
---|
| 3 | import java.awt.Component;
|
---|
| 4 | import java.awt.Point;
|
---|
| 5 | import java.awt.event.MouseEvent;
|
---|
| 6 | import java.awt.event.MouseListener;
|
---|
| 7 | import java.awt.event.MouseMotionListener;
|
---|
| 8 |
|
---|
| 9 | import javax.swing.DefaultListModel;
|
---|
| 10 | import javax.swing.JCheckBox;
|
---|
| 11 | import javax.swing.JList;
|
---|
| 12 | import javax.swing.ListCellRenderer;
|
---|
| 13 | import javax.swing.ListModel;
|
---|
| 14 |
|
---|
| 15 | public class CheckableList extends JList {
|
---|
| 16 | /**
|
---|
| 17 | *
|
---|
| 18 | */
|
---|
| 19 | private static final long serialVersionUID = -8207275088256642406L;
|
---|
| 20 | private CheckBoxCellRenderer renderer;
|
---|
| 21 |
|
---|
| 22 | public CheckableList() {
|
---|
| 23 | this(new DefaultListModel());
|
---|
| 24 | }
|
---|
| 25 |
|
---|
| 26 | public CheckableList(ListModel model) {
|
---|
| 27 | super(model);
|
---|
| 28 | }
|
---|
| 29 |
|
---|
| 30 |
|
---|
| 31 | public void updateUI() {
|
---|
| 32 | setForeground(null);
|
---|
| 33 | setBackground(null);
|
---|
| 34 | setSelectionForeground(null);
|
---|
| 35 | setSelectionBackground(null);
|
---|
| 36 | if(renderer!=null) {
|
---|
| 37 | removeMouseListener(renderer);
|
---|
| 38 | removeMouseMotionListener(renderer);
|
---|
| 39 | }
|
---|
| 40 | super.updateUI();
|
---|
| 41 | renderer = new CheckBoxCellRenderer();
|
---|
| 42 | setCellRenderer(renderer);
|
---|
| 43 | addMouseListener(renderer);
|
---|
| 44 | addMouseMotionListener(renderer);
|
---|
| 45 | }
|
---|
| 46 | }
|
---|
| 47 |
|
---|
| 48 | class CheckBoxCellRenderer extends JCheckBox implements ListCellRenderer, MouseListener, MouseMotionListener {
|
---|
| 49 | /**
|
---|
| 50 | *
|
---|
| 51 | */
|
---|
| 52 | private static final long serialVersionUID = 5134902478737266926L;
|
---|
| 53 | private int rollOverRowIndex = -1;
|
---|
| 54 |
|
---|
| 55 | @Override
|
---|
| 56 | public Component getListCellRendererComponent(JList list, Object value, int index, boolean isSelected, boolean cellHasFocus) {
|
---|
| 57 | this.setOpaque(true);
|
---|
| 58 | if(isSelected) {
|
---|
| 59 | this.setBackground(list.getSelectionBackground());
|
---|
| 60 | this.setForeground(list.getSelectionForeground());
|
---|
| 61 | }else{
|
---|
| 62 | this.setBackground(list.getBackground());
|
---|
| 63 | this.setForeground(list.getForeground());
|
---|
| 64 | }
|
---|
| 65 | if(value instanceof CheckableListItem) {
|
---|
| 66 | this.setSelected(((CheckableListItem)value).selected);
|
---|
| 67 | this.getModel().setRollover(index==rollOverRowIndex);
|
---|
| 68 | }
|
---|
| 69 | this.setText(value.toString());
|
---|
| 70 | return this;
|
---|
| 71 | }
|
---|
| 72 |
|
---|
| 73 | @Override
|
---|
| 74 | public void mouseExited(MouseEvent e) {
|
---|
| 75 | JList l = (JList)e.getSource();
|
---|
| 76 | if(rollOverRowIndex>=0) {
|
---|
| 77 | l.repaint(l.getCellBounds(rollOverRowIndex, rollOverRowIndex));
|
---|
| 78 | rollOverRowIndex = -1;
|
---|
| 79 | }
|
---|
| 80 | }
|
---|
| 81 |
|
---|
| 82 | @Override
|
---|
| 83 | public void mouseClicked(MouseEvent e) {
|
---|
| 84 | if(e.getButton()==MouseEvent.BUTTON1) {
|
---|
| 85 | JList l = (JList)e.getComponent();
|
---|
| 86 | DefaultListModel m = (DefaultListModel)l.getModel();
|
---|
| 87 | Point p = e.getPoint();
|
---|
| 88 | int index = l.locationToIndex(p);
|
---|
| 89 | if(index>=0) {
|
---|
| 90 | CheckableListItem n = (CheckableListItem)m.get(index);
|
---|
| 91 | m.set(index, new CheckableListItem(n.text, !n.selected));
|
---|
| 92 | l.repaint(l.getCellBounds(index, index));
|
---|
| 93 | }
|
---|
| 94 | }
|
---|
| 95 | }
|
---|
| 96 |
|
---|
| 97 | @Override
|
---|
| 98 | public void mouseMoved(MouseEvent e) {
|
---|
| 99 | JList l = (JList)e.getSource();
|
---|
| 100 | int index = l.locationToIndex(e.getPoint());
|
---|
| 101 | if(index != rollOverRowIndex) {
|
---|
| 102 | rollOverRowIndex = index;
|
---|
| 103 | l.repaint();
|
---|
| 104 | }
|
---|
| 105 | }
|
---|
| 106 |
|
---|
| 107 | @Override
|
---|
| 108 | public void mouseEntered(MouseEvent e) {}
|
---|
| 109 |
|
---|
| 110 | @Override
|
---|
| 111 | public void mousePressed(MouseEvent e) {}
|
---|
| 112 |
|
---|
| 113 | @Override
|
---|
| 114 | public void mouseReleased(MouseEvent e) {}
|
---|
| 115 |
|
---|
| 116 | @Override
|
---|
| 117 | public void mouseDragged(MouseEvent e) {}
|
---|
| 118 | }
|
---|
| 119 |
|
---|