1 | // License: GPL. For details, see LICENSE file.
|
---|
2 | package org.openstreetmap.josm.tools;
|
---|
3 |
|
---|
4 | import static org.openstreetmap.josm.tools.I18n.tr;
|
---|
5 |
|
---|
6 | import java.awt.KeyEventDispatcher;
|
---|
7 | import java.awt.KeyboardFocusManager;
|
---|
8 | import java.awt.event.ActionEvent;
|
---|
9 | import java.awt.event.ActionListener;
|
---|
10 | import java.awt.event.KeyEvent;
|
---|
11 | import java.util.HashMap;
|
---|
12 | import java.util.Map;
|
---|
13 | import java.util.Timer;
|
---|
14 | import java.util.TimerTask;
|
---|
15 |
|
---|
16 | import javax.swing.AbstractAction;
|
---|
17 | import javax.swing.Action;
|
---|
18 | import javax.swing.JMenuItem;
|
---|
19 | import javax.swing.JPanel;
|
---|
20 | import javax.swing.JPopupMenu;
|
---|
21 | import javax.swing.KeyStroke;
|
---|
22 | import javax.swing.SwingUtilities;
|
---|
23 | import javax.swing.event.PopupMenuEvent;
|
---|
24 | import javax.swing.event.PopupMenuListener;
|
---|
25 |
|
---|
26 | import org.openstreetmap.josm.Main;
|
---|
27 | import org.openstreetmap.josm.tools.MultikeyShortcutAction.MultikeyInfo;
|
---|
28 |
|
---|
29 | public class MultikeyActionsHandler {
|
---|
30 |
|
---|
31 | private static final long DIALOG_DELAY = 1000;
|
---|
32 | private static final String STATUS_BAR_ID = new String("multikeyShortcut");
|
---|
33 |
|
---|
34 | private Map<MultikeyShortcutAction, MyAction> myActions = new HashMap<MultikeyShortcutAction,MyAction>();
|
---|
35 |
|
---|
36 | private class MyKeyEventDispatcher implements KeyEventDispatcher {
|
---|
37 | @Override
|
---|
38 | public boolean dispatchKeyEvent(KeyEvent e) {
|
---|
39 |
|
---|
40 | if (e.getWhen() == lastTimestamp)
|
---|
41 | return false;
|
---|
42 |
|
---|
43 | if (lastAction != null && e.getID() == KeyEvent.KEY_PRESSED) {
|
---|
44 | int index = getIndex(e.getKeyCode());
|
---|
45 | if (index >= 0) {
|
---|
46 | lastAction.action.executeMultikeyAction(index, e.getKeyCode() == lastAction.shortcut.getKeyStroke().getKeyCode());
|
---|
47 | }
|
---|
48 | lastAction = null;
|
---|
49 | Main.map.statusLine.resetHelpText(STATUS_BAR_ID);
|
---|
50 | return true;
|
---|
51 | }
|
---|
52 | return false;
|
---|
53 | }
|
---|
54 |
|
---|
55 | private int getIndex(int lastKey) {
|
---|
56 | if (lastKey >= KeyEvent.VK_1 && lastKey <= KeyEvent.VK_9)
|
---|
57 | return lastKey - KeyEvent.VK_1;
|
---|
58 | else if (lastKey == KeyEvent.VK_0)
|
---|
59 | return 9;
|
---|
60 | else if (lastKey >= KeyEvent.VK_A && lastKey <= KeyEvent.VK_Z)
|
---|
61 | return lastKey - KeyEvent.VK_A + 10;
|
---|
62 | else
|
---|
63 | return -1;
|
---|
64 | }
|
---|
65 | }
|
---|
66 |
|
---|
67 | private class MyAction extends AbstractAction {
|
---|
68 |
|
---|
69 | final MultikeyShortcutAction action;
|
---|
70 | final Shortcut shortcut;
|
---|
71 |
|
---|
72 | MyAction(MultikeyShortcutAction action) {
|
---|
73 | this.action = action;
|
---|
74 | this.shortcut = action.getMultikeyShortcut();
|
---|
75 | }
|
---|
76 |
|
---|
77 | @Override
|
---|
78 | public void actionPerformed(ActionEvent e) {
|
---|
79 | lastTimestamp = e.getWhen();
|
---|
80 | lastAction = this;
|
---|
81 | timer.schedule(new MyTimerTask(lastTimestamp, lastAction), DIALOG_DELAY);
|
---|
82 | Main.map.statusLine.setHelpText(STATUS_BAR_ID, tr("{0}... [please type its number]", (String) action.getValue(SHORT_DESCRIPTION)));
|
---|
83 | }
|
---|
84 |
|
---|
85 | @Override
|
---|
86 | public String toString() {
|
---|
87 | return "MultikeyAction" + action.toString();
|
---|
88 | }
|
---|
89 | }
|
---|
90 |
|
---|
91 | private class MyTimerTask extends TimerTask {
|
---|
92 | private final long lastTimestamp;
|
---|
93 | private final MyAction lastAction;
|
---|
94 |
|
---|
95 | MyTimerTask(long lastTimestamp, MyAction lastAction) {
|
---|
96 | this.lastTimestamp = lastTimestamp;
|
---|
97 | this.lastAction = lastAction;
|
---|
98 | }
|
---|
99 |
|
---|
100 | @Override
|
---|
101 | public void run() {
|
---|
102 | if (lastTimestamp == MultikeyActionsHandler.this.lastTimestamp &&
|
---|
103 | lastAction == MultikeyActionsHandler.this.lastAction) {
|
---|
104 | showLayersPopup(lastAction);
|
---|
105 | MultikeyActionsHandler.this.lastAction = null;
|
---|
106 | }
|
---|
107 | }
|
---|
108 | }
|
---|
109 |
|
---|
110 | private long lastTimestamp;
|
---|
111 | private MyAction lastAction;
|
---|
112 | private Timer timer;
|
---|
113 |
|
---|
114 |
|
---|
115 | private MultikeyActionsHandler() {
|
---|
116 | KeyboardFocusManager.getCurrentKeyboardFocusManager().addKeyEventDispatcher(new MyKeyEventDispatcher());
|
---|
117 | timer =new Timer();
|
---|
118 | }
|
---|
119 |
|
---|
120 | private static MultikeyActionsHandler instance;
|
---|
121 |
|
---|
122 | public static MultikeyActionsHandler getInstance() {
|
---|
123 | if (instance == null) {
|
---|
124 | instance = new MultikeyActionsHandler();
|
---|
125 | }
|
---|
126 | return instance;
|
---|
127 | }
|
---|
128 |
|
---|
129 | private String formatMenuText(KeyStroke keyStroke, String index, String description) {
|
---|
130 | String shortcutText = KeyEvent.getKeyModifiersText(keyStroke.getModifiers()) + "+" + KeyEvent.getKeyText(keyStroke.getKeyCode()) + "," + index;
|
---|
131 |
|
---|
132 | return "<html><i>" + shortcutText + "</i> " + description;
|
---|
133 |
|
---|
134 | }
|
---|
135 |
|
---|
136 | private void showLayersPopup(final MyAction action) {
|
---|
137 | SwingUtilities.invokeLater(new Runnable() {
|
---|
138 | @Override
|
---|
139 | public void run() {
|
---|
140 | JPopupMenu layers = new JPopupMenu();
|
---|
141 |
|
---|
142 | JMenuItem lbTitle = new JMenuItem((String) action.action.getValue(Action.SHORT_DESCRIPTION));
|
---|
143 | lbTitle.setEnabled(false);
|
---|
144 | JPanel pnTitle = new JPanel();
|
---|
145 | pnTitle.add(lbTitle);
|
---|
146 | layers.add(pnTitle);
|
---|
147 |
|
---|
148 | char repeatKey = (char) action.shortcut.getKeyStroke().getKeyCode();
|
---|
149 | boolean repeatKeyUsed = false;
|
---|
150 |
|
---|
151 |
|
---|
152 | for (final MultikeyInfo info: action.action.getMultikeyCombinations()) {
|
---|
153 |
|
---|
154 | if (info.getShortcut() == repeatKey) {
|
---|
155 | repeatKeyUsed = true;
|
---|
156 | }
|
---|
157 |
|
---|
158 | JMenuItem item = new JMenuItem(formatMenuText(action.shortcut.getKeyStroke(), String.valueOf(info.getShortcut()), info.getDescription()));
|
---|
159 | item.setMnemonic(info.getShortcut());
|
---|
160 | item.addActionListener(new ActionListener() {
|
---|
161 | @Override
|
---|
162 | public void actionPerformed(ActionEvent e) {
|
---|
163 | action.action.executeMultikeyAction(info.getIndex(), false);
|
---|
164 | }
|
---|
165 | });
|
---|
166 | layers.add(item);
|
---|
167 | }
|
---|
168 |
|
---|
169 | if (!repeatKeyUsed) {
|
---|
170 | MultikeyInfo lastLayer = action.action.getLastMultikeyAction();
|
---|
171 | if (lastLayer != null) {
|
---|
172 | JMenuItem repeateItem = new JMenuItem(formatMenuText(action.shortcut.getKeyStroke(),
|
---|
173 | KeyEvent.getKeyText(action.shortcut.getKeyStroke().getKeyCode()),
|
---|
174 | "Repeat " + lastLayer.getDescription()));
|
---|
175 | repeateItem.setMnemonic(action.shortcut.getKeyStroke().getKeyCode());
|
---|
176 | repeateItem.addActionListener(new ActionListener() {
|
---|
177 | @Override
|
---|
178 | public void actionPerformed(ActionEvent e) {
|
---|
179 | action.action.executeMultikeyAction(-1, true);
|
---|
180 | }
|
---|
181 | });
|
---|
182 | layers.add(repeateItem);
|
---|
183 | }
|
---|
184 | }
|
---|
185 | layers.addPopupMenuListener(new PopupMenuListener() {
|
---|
186 |
|
---|
187 | @Override
|
---|
188 | public void popupMenuWillBecomeVisible(PopupMenuEvent e) {}
|
---|
189 |
|
---|
190 | @Override
|
---|
191 | public void popupMenuWillBecomeInvisible(PopupMenuEvent e) {
|
---|
192 | Main.map.statusLine.resetHelpText(STATUS_BAR_ID);
|
---|
193 | }
|
---|
194 |
|
---|
195 | @Override
|
---|
196 | public void popupMenuCanceled(PopupMenuEvent e) {}
|
---|
197 | });
|
---|
198 |
|
---|
199 | layers.show(Main.parent, Integer.MAX_VALUE, Integer.MAX_VALUE);
|
---|
200 | layers.setLocation(Main.parent.getX() + Main.parent.getWidth() - layers.getWidth(), Main.parent.getY() + Main.parent.getHeight() - layers.getHeight());
|
---|
201 | }
|
---|
202 | });
|
---|
203 | }
|
---|
204 |
|
---|
205 | public void addAction(MultikeyShortcutAction action) {
|
---|
206 | if(action.getMultikeyShortcut() != null) {
|
---|
207 | MyAction myAction = new MyAction(action);
|
---|
208 | myActions.put(action, myAction);
|
---|
209 | Main.registerActionShortcut(myAction, myAction.shortcut);
|
---|
210 | }
|
---|
211 | }
|
---|
212 |
|
---|
213 | // unregister action and its shortcut completely
|
---|
214 | public void removeAction(MultikeyShortcutAction action) {
|
---|
215 | MyAction a = myActions.get(action);
|
---|
216 | if (a!=null) {
|
---|
217 | Main.unregisterActionShortcut(a, a.shortcut);
|
---|
218 | myActions.remove(action);
|
---|
219 | }
|
---|
220 | }
|
---|
221 | }
|
---|