1 package fr.ifremer.quadrige3.ui.swing.table.renderer;
2
3 /*-
4 * #%L
5 * Quadrige3 Core :: Quadrige3 UI Common
6 * $Id:$
7 * $HeadURL:$
8 * %%
9 * Copyright (C) 2017 Ifremer
10 * %%
11 * This program is free software: you can redistribute it and/or modify
12 * it under the terms of the GNU Affero General Public License as published by
13 * the Free Software Foundation, either version 3 of the License, or
14 * (at your option) any later version.
15 *
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
20 *
21 * You should have received a copy of the GNU Affero General Public License
22 * along with this program. If not, see <http://www.gnu.org/licenses/>.
23 * #L%
24 */
25
26
27 import fr.ifremer.quadrige3.ui.swing.table.editor.ButtonCellEditor;
28
29 import javax.swing.AbstractAction;
30 import javax.swing.JMenuItem;
31 import javax.swing.JPopupMenu;
32 import javax.swing.JTable;
33 import java.awt.Component;
34 import java.awt.event.ActionEvent;
35 import java.awt.event.MouseAdapter;
36 import java.awt.event.MouseEvent;
37 import java.util.List;
38
39 /**
40 * <p>Abstract DropDownButtonCellEditor class.</p>
41 *
42 * @author Ludovic Pecquot <ludovic.pecquot@e-is.pro>
43 * @param <E> bean type to display in drop down menu
44 */
45 public abstract class DropDownButtonCellEditor<E> extends ButtonCellEditor {
46
47 private JPopupMenu popup = new JPopupMenu();
48
49 /**
50 * abstract method to populate items
51 *
52 * @param table a {@link JTable} object.
53 * @param row a int.
54 * @param column a int.
55 * @return a {@link List} object.
56 */
57 public abstract List<E> getDropDownItems(JTable table, int row, int column);
58
59 /**
60 * abstract method to decorator the item in the menu
61 *
62 * @param item a E object.
63 * @return a {@link String} object.
64 */
65 public abstract String decorateItem(E item);
66
67 /**
68 * abstract method to intercept the action when the menu item is pressed
69 *
70 * @param item a E object.
71 * @param row a int.
72 * @param column a int.
73 */
74 public abstract void onItemMenuAction(E item, int row, int column);
75
76 /**
77 * <p>Constructor for DropDownButtonCellEditor.</p>
78 */
79 public DropDownButtonCellEditor() {
80 super();
81
82 button.addMouseListener(new MouseAdapter() {
83
84 @Override
85 public void mousePressed(MouseEvent e) {
86 // FIXME: when popup is shown, the button background is reset
87 showPopup();
88 }
89 });
90
91 }
92
93 /**
94 * <p>showPopup.</p>
95 */
96 public void showPopup() {
97 popup.show(button, 0, button.getHeight());
98 }
99
100 /** {@inheritDoc} */
101 @Override
102 public Component getTableCellEditorComponent(JTable table, Object value, boolean isSelected, final int row, final int column) {
103
104 // add dropdown items
105 popup = new JPopupMenu();
106 List<E> items = getDropDownItems(table, row, column);
107
108 if (items != null) {
109 for (final E item : items) {
110
111 AbstractAction action = new AbstractAction(decorateItem(item)) {
112
113 @Override
114 public void actionPerformed(ActionEvent e) {
115 onItemMenuAction(item, row, column);
116 }
117 };
118
119 popup.add(new JMenuItem(action));
120 }
121 }
122
123 return super.getTableCellEditorComponent(table, value, isSelected, row, column);
124 }
125
126 }