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a3b510ab NR |
1 | package be.nikiroo.jvcard.tui; |
2 | ||
3 | import java.util.Arrays; | |
4 | import java.util.LinkedList; | |
5 | import java.util.List; | |
6 | ||
7 | import be.nikiroo.jvcard.Card; | |
8 | import be.nikiroo.jvcard.Contact; | |
9 | import be.nikiroo.jvcard.i18n.Trans; | |
10 | import be.nikiroo.jvcard.i18n.Trans.StringId; | |
11 | import be.nikiroo.jvcard.tui.KeyAction.Mode; | |
12 | import be.nikiroo.jvcard.tui.UiColors.Element; | |
fae07ea7 NR |
13 | import be.nikiroo.jvcard.tui.panes.ContactDetails; |
14 | import be.nikiroo.jvcard.tui.panes.ContactList; | |
15 | import be.nikiroo.jvcard.tui.panes.MainContent; | |
a3b510ab NR |
16 | |
17 | import com.googlecode.lanterna.TerminalSize; | |
18 | import com.googlecode.lanterna.gui2.BasicWindow; | |
19 | import com.googlecode.lanterna.gui2.BorderLayout; | |
20 | import com.googlecode.lanterna.gui2.Direction; | |
21 | import com.googlecode.lanterna.gui2.Interactable; | |
22 | import com.googlecode.lanterna.gui2.Label; | |
23 | import com.googlecode.lanterna.gui2.LinearLayout; | |
24 | import com.googlecode.lanterna.gui2.Panel; | |
25 | import com.googlecode.lanterna.gui2.TextBox; | |
26 | import com.googlecode.lanterna.gui2.TextGUIGraphics; | |
27 | import com.googlecode.lanterna.gui2.Window; | |
28 | import com.googlecode.lanterna.input.KeyStroke; | |
29 | import com.googlecode.lanterna.input.KeyType; | |
30 | ||
31 | /** | |
32 | * This is the main "window" of the program. It will host one | |
33 | * {@link MainContent} at any one time. | |
34 | * | |
35 | * @author niki | |
36 | * | |
37 | */ | |
38 | public class MainWindow extends BasicWindow { | |
39 | private List<KeyAction> defaultActions = new LinkedList<KeyAction>(); | |
40 | private List<KeyAction> actions = new LinkedList<KeyAction>(); | |
41 | private List<MainContent> content = new LinkedList<MainContent>(); | |
42 | private boolean actionsPadded; | |
43 | private Boolean waitForOneKeyAnswer; // true, false, (null = do not wait for | |
44 | // an answer) | |
45 | private String title; | |
46 | private Panel titlePanel; | |
47 | private Panel mainPanel; | |
48 | private Panel contentPanel; | |
49 | private Panel actionPanel; | |
50 | private Panel messagePanel; | |
51 | private TextBox text; | |
52 | ||
53 | public MainWindow() { | |
54 | this(null); | |
55 | } | |
56 | ||
57 | public MainWindow(MainContent content) { | |
58 | super(content == null ? "" : content.getTitle()); | |
59 | ||
60 | setHints(Arrays.asList(Window.Hint.FULL_SCREEN, | |
61 | Window.Hint.NO_DECORATIONS, Window.Hint.FIT_TERMINAL_WINDOW)); | |
62 | ||
63 | defaultActions.add(new KeyAction(Mode.BACK, 'q', | |
64 | StringId.KEY_ACTION_BACK)); | |
65 | defaultActions.add(new KeyAction(Mode.BACK, KeyType.Escape, | |
66 | StringId.NULL)); | |
67 | defaultActions.add(new KeyAction(Mode.HELP, 'h', | |
68 | StringId.KEY_ACTION_HELP)); | |
69 | defaultActions.add(new KeyAction(Mode.HELP, KeyType.F1, StringId.NULL)); | |
70 | ||
71 | actionPanel = new Panel(); | |
72 | contentPanel = new Panel(); | |
73 | mainPanel = new Panel(); | |
74 | messagePanel = new Panel(); | |
75 | titlePanel = new Panel(); | |
76 | ||
77 | Panel actionMessagePanel = new Panel(); | |
78 | ||
79 | LinearLayout llayout = new LinearLayout(Direction.HORIZONTAL); | |
80 | llayout.setSpacing(0); | |
81 | actionPanel.setLayoutManager(llayout); | |
82 | ||
83 | llayout = new LinearLayout(Direction.VERTICAL); | |
84 | llayout.setSpacing(0); | |
85 | titlePanel.setLayoutManager(llayout); | |
86 | ||
87 | llayout = new LinearLayout(Direction.VERTICAL); | |
88 | llayout.setSpacing(0); | |
89 | messagePanel.setLayoutManager(llayout); | |
90 | ||
91 | BorderLayout blayout = new BorderLayout(); | |
92 | mainPanel.setLayoutManager(blayout); | |
93 | ||
94 | blayout = new BorderLayout(); | |
95 | contentPanel.setLayoutManager(blayout); | |
96 | ||
97 | blayout = new BorderLayout(); | |
98 | actionMessagePanel.setLayoutManager(blayout); | |
99 | ||
100 | actionMessagePanel | |
101 | .addComponent(messagePanel, BorderLayout.Location.TOP); | |
102 | actionMessagePanel.addComponent(actionPanel, | |
103 | BorderLayout.Location.CENTER); | |
104 | ||
105 | mainPanel.addComponent(titlePanel, BorderLayout.Location.TOP); | |
106 | mainPanel.addComponent(contentPanel, BorderLayout.Location.CENTER); | |
107 | mainPanel | |
108 | .addComponent(actionMessagePanel, BorderLayout.Location.BOTTOM); | |
109 | ||
110 | pushContent(content); | |
111 | ||
112 | setComponent(mainPanel); | |
113 | } | |
114 | ||
115 | public void pushContent(MainContent content) { | |
116 | List<KeyAction> actions = null; | |
117 | String title = null; | |
118 | ||
119 | contentPanel.removeAllComponents(); | |
120 | if (content != null) { | |
121 | title = content.getTitle(); | |
122 | actions = content.getKeyBindings(); | |
123 | contentPanel.addComponent(content, BorderLayout.Location.CENTER); | |
124 | this.content.add(content); | |
125 | } | |
126 | ||
127 | setTitle(title); | |
128 | setActions(actions, true, true); | |
129 | invalidate(); | |
130 | } | |
131 | ||
132 | /** | |
133 | * Set the application title. | |
134 | * | |
135 | * @param title | |
136 | * the new title or NULL for the default title | |
137 | */ | |
138 | public void setTitle(String title) { | |
139 | if (title == null) { | |
140 | title = Trans.StringId.TITLE.trans(); | |
141 | } | |
142 | ||
143 | if (!title.equals(this.title)) { | |
144 | super.setTitle(title); | |
145 | this.title = title; | |
146 | } | |
147 | ||
148 | Label lbl = new Label(title); | |
149 | titlePanel.removeAllComponents(); | |
150 | ||
151 | titlePanel.addComponent(lbl, LinearLayout | |
152 | .createLayoutData(LinearLayout.Alignment.Center)); | |
153 | } | |
154 | ||
155 | @Override | |
156 | public void draw(TextGUIGraphics graphics) { | |
157 | setTitle(title); | |
158 | if (!actionsPadded) { | |
159 | // fill with "desc" colour | |
160 | actionPanel.addComponent(UiColors.Element.ACTION_DESC | |
161 | .createLabel(StringUtils.padString("", graphics.getSize() | |
162 | .getColumns()))); | |
163 | actionsPadded = true; | |
164 | } | |
165 | super.draw(graphics); | |
166 | } | |
167 | ||
168 | public MainContent popContent() { | |
169 | MainContent removed = null; | |
170 | MainContent prev = null; | |
171 | if (content.size() > 0) | |
172 | removed = content.remove(content.size() - 1); | |
173 | if (content.size() > 0) | |
174 | prev = content.remove(content.size() - 1); | |
175 | pushContent(prev); | |
176 | ||
177 | return removed; | |
178 | } | |
179 | ||
180 | private void setActions(List<KeyAction> actions, boolean allowKeys, | |
181 | boolean enableDefaultactions) { | |
182 | ||
183 | this.actions.clear(); | |
184 | actionsPadded = false; | |
185 | ||
186 | if (enableDefaultactions) | |
187 | this.actions.addAll(defaultActions); | |
188 | ||
189 | if (actions != null) | |
190 | this.actions.addAll(actions); | |
191 | ||
192 | actionPanel.removeAllComponents(); | |
193 | for (KeyAction action : this.actions) { | |
194 | String trans = " " + action.getStringId().trans() + " "; | |
195 | ||
196 | if (" ".equals(trans)) | |
197 | continue; | |
198 | ||
199 | String keyTrans = ""; | |
200 | switch (action.getKey().getKeyType()) { | |
201 | case Enter: | |
202 | keyTrans = " ⤶ "; | |
203 | break; | |
204 | case Tab: | |
205 | keyTrans = " ↹ "; | |
206 | break; | |
207 | case Character: | |
208 | keyTrans = " " + action.getKey().getCharacter() + " "; | |
209 | break; | |
210 | default: | |
211 | keyTrans = "" + action.getKey().getKeyType(); | |
212 | int width = 3; | |
213 | if (keyTrans.length() > width) { | |
214 | keyTrans = keyTrans.substring(0, width); | |
215 | } else if (keyTrans.length() < width) { | |
216 | keyTrans = keyTrans | |
217 | + new String(new char[width - keyTrans.length()]) | |
218 | .replace('\0', ' '); | |
219 | } | |
220 | break; | |
221 | } | |
222 | ||
223 | Panel kPane = new Panel(); | |
224 | LinearLayout layout = new LinearLayout(Direction.HORIZONTAL); | |
225 | layout.setSpacing(0); | |
226 | kPane.setLayoutManager(layout); | |
227 | ||
228 | kPane.addComponent(UiColors.Element.ACTION_KEY | |
229 | .createLabel(keyTrans)); | |
230 | kPane.addComponent(UiColors.Element.ACTION_DESC.createLabel(trans)); | |
231 | ||
232 | actionPanel.addComponent(kPane); | |
233 | } | |
234 | } | |
235 | ||
236 | /** | |
237 | * Show the given message on screen. It will disappear at the next action. | |
238 | * | |
239 | * @param mess | |
240 | * the message to display | |
241 | * @param error | |
242 | * TRUE for an error message, FALSE for an information message | |
243 | */ | |
244 | public void setMessage(String mess, boolean error) { | |
245 | messagePanel.removeAllComponents(); | |
246 | if (mess != null) { | |
247 | Element element = (error ? UiColors.Element.LINE_MESSAGE_ERR | |
248 | : UiColors.Element.LINE_MESSAGE); | |
249 | Label lbl = element.createLabel(" " + mess + " "); | |
250 | messagePanel.addComponent(lbl, LinearLayout | |
251 | .createLayoutData(LinearLayout.Alignment.Center)); | |
252 | } | |
253 | } | |
254 | ||
255 | public void setQuestion(String mess, boolean oneKey) { | |
256 | messagePanel.removeAllComponents(); | |
257 | if (mess != null) { | |
258 | waitForOneKeyAnswer = oneKey; | |
259 | ||
260 | Panel hpanel = new Panel(); | |
261 | LinearLayout llayout = new LinearLayout(Direction.HORIZONTAL); | |
262 | llayout.setSpacing(0); | |
263 | hpanel.setLayoutManager(llayout); | |
264 | ||
265 | Label lbl = UiColors.Element.LINE_MESSAGE_QUESTION.createLabel(" " | |
266 | + mess + " "); | |
267 | text = new TextBox(new TerminalSize(getSize().getColumns() | |
268 | - lbl.getSize().getColumns(), 1)); | |
269 | ||
270 | hpanel.addComponent(lbl, LinearLayout | |
271 | .createLayoutData(LinearLayout.Alignment.Beginning)); | |
272 | hpanel.addComponent(text, LinearLayout | |
273 | .createLayoutData(LinearLayout.Alignment.Fill)); | |
274 | ||
275 | messagePanel.addComponent(hpanel, LinearLayout | |
276 | .createLayoutData(LinearLayout.Alignment.Beginning)); | |
277 | ||
fae07ea7 | 278 | text.takeFocus(); |
a3b510ab NR |
279 | } |
280 | } | |
281 | ||
282 | private String handleQuestion(KeyStroke key) { | |
283 | String answer = null; | |
284 | ||
285 | if (waitForOneKeyAnswer) { | |
286 | answer = "" + key.getCharacter(); | |
287 | } else { | |
288 | if (key.getKeyType() == KeyType.Enter) { | |
289 | if (text != null) | |
290 | answer = text.getText(); | |
291 | else | |
292 | answer = ""; | |
293 | } | |
294 | } | |
295 | ||
296 | if (answer != null) { | |
297 | Interactable focus = null; | |
298 | if (this.content.size() > 0) | |
299 | // focus = content.get(0).getDefaultFocusElement(); | |
300 | focus = content.get(0).nextFocus(null); | |
301 | ||
fae07ea7 | 302 | focus.takeFocus(); |
a3b510ab NR |
303 | } |
304 | ||
305 | return answer; | |
306 | } | |
307 | ||
308 | @Override | |
309 | public boolean handleInput(KeyStroke key) { | |
310 | boolean handled = false; | |
311 | ||
312 | if (waitForOneKeyAnswer != null) { | |
313 | String answer = handleQuestion(key); | |
314 | if (answer != null) { | |
315 | waitForOneKeyAnswer = null; | |
316 | setMessage("ANS: " + answer, false); | |
317 | ||
318 | handled = true; | |
319 | } | |
320 | } else { | |
321 | setMessage(null, false); | |
322 | ||
323 | for (KeyAction action : actions) { | |
324 | if (!action.match(key)) | |
325 | continue; | |
326 | ||
327 | handled = true; | |
328 | ||
329 | if (action.onAction()) { | |
330 | switch (action.getMode()) { | |
331 | case MOVE: | |
332 | int x = 0; | |
333 | int y = 0; | |
334 | ||
335 | if (action.getKey().getKeyType() == KeyType.ArrowUp) | |
336 | x = -1; | |
337 | if (action.getKey().getKeyType() == KeyType.ArrowDown) | |
338 | x = 1; | |
339 | if (action.getKey().getKeyType() == KeyType.ArrowLeft) | |
340 | y = -1; | |
341 | if (action.getKey().getKeyType() == KeyType.ArrowRight) | |
342 | y = 1; | |
343 | ||
344 | if (content.size() > 0) { | |
345 | String err = content.get(content.size() - 1).move( | |
346 | x, y); | |
347 | if (err != null) | |
348 | setMessage(err, true); | |
349 | } | |
350 | ||
351 | break; | |
352 | // mode with windows: | |
353 | case CONTACT_LIST: | |
354 | Card card = action.getCard(); | |
355 | if (card != null) { | |
356 | pushContent(new ContactList(card)); | |
357 | } | |
358 | break; | |
359 | case CONTACT_DETAILS: | |
360 | Contact contact = action.getContact(); | |
361 | if (contact != null) { | |
362 | pushContent(new ContactDetails(contact)); | |
363 | } | |
364 | break; | |
365 | // mode interpreted by MainWindow: | |
366 | case HELP: | |
367 | // TODO | |
368 | // setMessage("Help! I need somebody! Help!", false); | |
369 | setQuestion("Test question?", false); | |
370 | handled = true; | |
371 | break; | |
372 | case BACK: | |
373 | popContent(); | |
374 | if (content.size() == 0) | |
375 | close(); | |
376 | break; | |
377 | default: | |
378 | case NONE: | |
379 | break; | |
380 | } | |
381 | } | |
382 | ||
383 | break; | |
384 | } | |
385 | } | |
386 | ||
387 | if (!handled) | |
388 | handled = super.handleInput(key); | |
389 | ||
390 | return handled; | |
391 | } | |
392 | } |