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1 | package be.nikiroo.jvcard.tui; |
2 | ||
9c8baf0c | 3 | import java.io.File; |
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4 | import java.util.Arrays; |
5 | import java.util.LinkedList; | |
6 | import java.util.List; | |
7 | ||
8 | import be.nikiroo.jvcard.Card; | |
9 | import be.nikiroo.jvcard.Contact; | |
10 | import be.nikiroo.jvcard.i18n.Trans; | |
11 | import be.nikiroo.jvcard.i18n.Trans.StringId; | |
12 | import be.nikiroo.jvcard.tui.KeyAction.Mode; | |
13 | import be.nikiroo.jvcard.tui.UiColors.Element; | |
fae07ea7 NR |
14 | import be.nikiroo.jvcard.tui.panes.ContactDetails; |
15 | import be.nikiroo.jvcard.tui.panes.ContactList; | |
16 | import be.nikiroo.jvcard.tui.panes.MainContent; | |
a3b510ab NR |
17 | |
18 | import com.googlecode.lanterna.TerminalSize; | |
19 | import com.googlecode.lanterna.gui2.BasicWindow; | |
20 | import com.googlecode.lanterna.gui2.BorderLayout; | |
21 | import com.googlecode.lanterna.gui2.Direction; | |
22 | import com.googlecode.lanterna.gui2.Interactable; | |
23 | import com.googlecode.lanterna.gui2.Label; | |
24 | import com.googlecode.lanterna.gui2.LinearLayout; | |
25 | import com.googlecode.lanterna.gui2.Panel; | |
26 | import com.googlecode.lanterna.gui2.TextBox; | |
27 | import com.googlecode.lanterna.gui2.TextGUIGraphics; | |
28 | import com.googlecode.lanterna.gui2.Window; | |
29 | import com.googlecode.lanterna.input.KeyStroke; | |
30 | import com.googlecode.lanterna.input.KeyType; | |
31 | ||
32 | /** | |
33 | * This is the main "window" of the program. It will host one | |
34 | * {@link MainContent} at any one time. | |
35 | * | |
36 | * @author niki | |
37 | * | |
38 | */ | |
39 | public class MainWindow extends BasicWindow { | |
40 | private List<KeyAction> defaultActions = new LinkedList<KeyAction>(); | |
41 | private List<KeyAction> actions = new LinkedList<KeyAction>(); | |
42 | private List<MainContent> content = new LinkedList<MainContent>(); | |
43 | private boolean actionsPadded; | |
44 | private Boolean waitForOneKeyAnswer; // true, false, (null = do not wait for | |
45 | // an answer) | |
46 | private String title; | |
47 | private Panel titlePanel; | |
48 | private Panel mainPanel; | |
49 | private Panel contentPanel; | |
50 | private Panel actionPanel; | |
51 | private Panel messagePanel; | |
52 | private TextBox text; | |
53 | ||
54 | public MainWindow() { | |
55 | this(null); | |
56 | } | |
57 | ||
58 | public MainWindow(MainContent content) { | |
59 | super(content == null ? "" : content.getTitle()); | |
60 | ||
61 | setHints(Arrays.asList(Window.Hint.FULL_SCREEN, | |
62 | Window.Hint.NO_DECORATIONS, Window.Hint.FIT_TERMINAL_WINDOW)); | |
63 | ||
64 | defaultActions.add(new KeyAction(Mode.BACK, 'q', | |
65 | StringId.KEY_ACTION_BACK)); | |
66 | defaultActions.add(new KeyAction(Mode.BACK, KeyType.Escape, | |
67 | StringId.NULL)); | |
68 | defaultActions.add(new KeyAction(Mode.HELP, 'h', | |
69 | StringId.KEY_ACTION_HELP)); | |
70 | defaultActions.add(new KeyAction(Mode.HELP, KeyType.F1, StringId.NULL)); | |
71 | ||
72 | actionPanel = new Panel(); | |
73 | contentPanel = new Panel(); | |
74 | mainPanel = new Panel(); | |
75 | messagePanel = new Panel(); | |
76 | titlePanel = new Panel(); | |
77 | ||
78 | Panel actionMessagePanel = new Panel(); | |
79 | ||
80 | LinearLayout llayout = new LinearLayout(Direction.HORIZONTAL); | |
81 | llayout.setSpacing(0); | |
82 | actionPanel.setLayoutManager(llayout); | |
83 | ||
84 | llayout = new LinearLayout(Direction.VERTICAL); | |
85 | llayout.setSpacing(0); | |
86 | titlePanel.setLayoutManager(llayout); | |
87 | ||
88 | llayout = new LinearLayout(Direction.VERTICAL); | |
89 | llayout.setSpacing(0); | |
90 | messagePanel.setLayoutManager(llayout); | |
91 | ||
92 | BorderLayout blayout = new BorderLayout(); | |
93 | mainPanel.setLayoutManager(blayout); | |
94 | ||
95 | blayout = new BorderLayout(); | |
96 | contentPanel.setLayoutManager(blayout); | |
97 | ||
98 | blayout = new BorderLayout(); | |
99 | actionMessagePanel.setLayoutManager(blayout); | |
100 | ||
101 | actionMessagePanel | |
102 | .addComponent(messagePanel, BorderLayout.Location.TOP); | |
103 | actionMessagePanel.addComponent(actionPanel, | |
104 | BorderLayout.Location.CENTER); | |
105 | ||
106 | mainPanel.addComponent(titlePanel, BorderLayout.Location.TOP); | |
107 | mainPanel.addComponent(contentPanel, BorderLayout.Location.CENTER); | |
108 | mainPanel | |
109 | .addComponent(actionMessagePanel, BorderLayout.Location.BOTTOM); | |
110 | ||
111 | pushContent(content); | |
112 | ||
113 | setComponent(mainPanel); | |
114 | } | |
115 | ||
116 | public void pushContent(MainContent content) { | |
117 | List<KeyAction> actions = null; | |
118 | String title = null; | |
119 | ||
120 | contentPanel.removeAllComponents(); | |
121 | if (content != null) { | |
122 | title = content.getTitle(); | |
123 | actions = content.getKeyBindings(); | |
124 | contentPanel.addComponent(content, BorderLayout.Location.CENTER); | |
125 | this.content.add(content); | |
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126 | |
127 | Interactable focus = content.nextFocus(null); | |
128 | if (focus != null) | |
129 | focus.takeFocus(); | |
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130 | } |
131 | ||
132 | setTitle(title); | |
133 | setActions(actions, true, true); | |
9c8baf0c | 134 | |
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135 | invalidate(); |
136 | } | |
137 | ||
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138 | public MainContent popContent() { |
139 | MainContent removed = null; | |
140 | MainContent prev = null; | |
141 | if (content.size() > 0) | |
142 | removed = content.remove(content.size() - 1); | |
143 | if (content.size() > 0) | |
144 | prev = content.remove(content.size() - 1); | |
145 | pushContent(prev); | |
146 | ||
147 | return removed; | |
148 | } | |
149 | ||
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150 | /** |
151 | * Set the application title. | |
152 | * | |
153 | * @param title | |
154 | * the new title or NULL for the default title | |
155 | */ | |
156 | public void setTitle(String title) { | |
157 | if (title == null) { | |
158 | title = Trans.StringId.TITLE.trans(); | |
159 | } | |
160 | ||
161 | if (!title.equals(this.title)) { | |
162 | super.setTitle(title); | |
163 | this.title = title; | |
164 | } | |
165 | ||
166 | Label lbl = new Label(title); | |
167 | titlePanel.removeAllComponents(); | |
168 | ||
169 | titlePanel.addComponent(lbl, LinearLayout | |
170 | .createLayoutData(LinearLayout.Alignment.Center)); | |
171 | } | |
172 | ||
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173 | /** |
174 | * Show the given message on screen. It will disappear at the next action. | |
175 | * | |
176 | * @param mess | |
177 | * the message to display | |
178 | * @param error | |
179 | * TRUE for an error message, FALSE for an information message | |
180 | */ | |
181 | public void setMessage(String mess, boolean error) { | |
182 | messagePanel.removeAllComponents(); | |
183 | if (mess != null) { | |
184 | Element element = (error ? UiColors.Element.LINE_MESSAGE_ERR | |
185 | : UiColors.Element.LINE_MESSAGE); | |
186 | Label lbl = element.createLabel(" " + mess + " "); | |
187 | messagePanel.addComponent(lbl, LinearLayout | |
188 | .createLayoutData(LinearLayout.Alignment.Center)); | |
189 | } | |
190 | } | |
191 | ||
192 | public void setQuestion(String mess, boolean oneKey) { | |
193 | messagePanel.removeAllComponents(); | |
194 | if (mess != null) { | |
195 | waitForOneKeyAnswer = oneKey; | |
196 | ||
197 | Panel hpanel = new Panel(); | |
198 | LinearLayout llayout = new LinearLayout(Direction.HORIZONTAL); | |
199 | llayout.setSpacing(0); | |
200 | hpanel.setLayoutManager(llayout); | |
201 | ||
202 | Label lbl = UiColors.Element.LINE_MESSAGE_QUESTION.createLabel(" " | |
203 | + mess + " "); | |
204 | text = new TextBox(new TerminalSize(getSize().getColumns() | |
205 | - lbl.getSize().getColumns(), 1)); | |
206 | ||
207 | hpanel.addComponent(lbl, LinearLayout | |
208 | .createLayoutData(LinearLayout.Alignment.Beginning)); | |
209 | hpanel.addComponent(text, LinearLayout | |
210 | .createLayoutData(LinearLayout.Alignment.Fill)); | |
211 | ||
212 | messagePanel.addComponent(hpanel, LinearLayout | |
213 | .createLayoutData(LinearLayout.Alignment.Beginning)); | |
214 | ||
215 | text.takeFocus(); | |
216 | } | |
217 | } | |
218 | ||
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219 | @Override |
220 | public void draw(TextGUIGraphics graphics) { | |
221 | setTitle(title); | |
222 | if (!actionsPadded) { | |
223 | // fill with "desc" colour | |
224 | actionPanel.addComponent(UiColors.Element.ACTION_DESC | |
225 | .createLabel(StringUtils.padString("", graphics.getSize() | |
226 | .getColumns()))); | |
227 | actionsPadded = true; | |
228 | } | |
229 | super.draw(graphics); | |
230 | } | |
231 | ||
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232 | private void setActions(List<KeyAction> actions, boolean allowKeys, |
233 | boolean enableDefaultactions) { | |
234 | ||
235 | this.actions.clear(); | |
236 | actionsPadded = false; | |
9c8baf0c | 237 | |
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238 | if (enableDefaultactions) |
239 | this.actions.addAll(defaultActions); | |
240 | ||
241 | if (actions != null) | |
242 | this.actions.addAll(actions); | |
243 | ||
244 | actionPanel.removeAllComponents(); | |
245 | for (KeyAction action : this.actions) { | |
246 | String trans = " " + action.getStringId().trans() + " "; | |
247 | ||
248 | if (" ".equals(trans)) | |
249 | continue; | |
250 | ||
251 | String keyTrans = ""; | |
252 | switch (action.getKey().getKeyType()) { | |
253 | case Enter: | |
254 | keyTrans = " ⤶ "; | |
255 | break; | |
256 | case Tab: | |
257 | keyTrans = " ↹ "; | |
258 | break; | |
259 | case Character: | |
260 | keyTrans = " " + action.getKey().getCharacter() + " "; | |
261 | break; | |
262 | default: | |
263 | keyTrans = "" + action.getKey().getKeyType(); | |
264 | int width = 3; | |
265 | if (keyTrans.length() > width) { | |
266 | keyTrans = keyTrans.substring(0, width); | |
267 | } else if (keyTrans.length() < width) { | |
268 | keyTrans = keyTrans | |
269 | + new String(new char[width - keyTrans.length()]) | |
270 | .replace('\0', ' '); | |
271 | } | |
272 | break; | |
273 | } | |
274 | ||
275 | Panel kPane = new Panel(); | |
276 | LinearLayout layout = new LinearLayout(Direction.HORIZONTAL); | |
277 | layout.setSpacing(0); | |
278 | kPane.setLayoutManager(layout); | |
279 | ||
280 | kPane.addComponent(UiColors.Element.ACTION_KEY | |
281 | .createLabel(keyTrans)); | |
282 | kPane.addComponent(UiColors.Element.ACTION_DESC.createLabel(trans)); | |
283 | ||
284 | actionPanel.addComponent(kPane); | |
285 | } | |
286 | } | |
287 | ||
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288 | private String handleQuestion(KeyStroke key) { |
289 | String answer = null; | |
290 | ||
291 | if (waitForOneKeyAnswer) { | |
292 | answer = "" + key.getCharacter(); | |
293 | } else { | |
294 | if (key.getKeyType() == KeyType.Enter) { | |
295 | if (text != null) | |
296 | answer = text.getText(); | |
297 | else | |
298 | answer = ""; | |
299 | } | |
300 | } | |
301 | ||
302 | if (answer != null) { | |
303 | Interactable focus = null; | |
304 | if (this.content.size() > 0) | |
305 | // focus = content.get(0).getDefaultFocusElement(); | |
306 | focus = content.get(0).nextFocus(null); | |
307 | ||
fae07ea7 | 308 | focus.takeFocus(); |
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309 | } |
310 | ||
311 | return answer; | |
312 | } | |
313 | ||
314 | @Override | |
315 | public boolean handleInput(KeyStroke key) { | |
316 | boolean handled = false; | |
317 | ||
318 | if (waitForOneKeyAnswer != null) { | |
319 | String answer = handleQuestion(key); | |
320 | if (answer != null) { | |
321 | waitForOneKeyAnswer = null; | |
322 | setMessage("ANS: " + answer, false); | |
323 | ||
324 | handled = true; | |
325 | } | |
326 | } else { | |
327 | setMessage(null, false); | |
328 | ||
329 | for (KeyAction action : actions) { | |
330 | if (!action.match(key)) | |
331 | continue; | |
332 | ||
333 | handled = true; | |
334 | ||
335 | if (action.onAction()) { | |
336 | switch (action.getMode()) { | |
337 | case MOVE: | |
338 | int x = 0; | |
339 | int y = 0; | |
340 | ||
341 | if (action.getKey().getKeyType() == KeyType.ArrowUp) | |
342 | x = -1; | |
343 | if (action.getKey().getKeyType() == KeyType.ArrowDown) | |
344 | x = 1; | |
345 | if (action.getKey().getKeyType() == KeyType.ArrowLeft) | |
346 | y = -1; | |
347 | if (action.getKey().getKeyType() == KeyType.ArrowRight) | |
348 | y = 1; | |
349 | ||
350 | if (content.size() > 0) { | |
351 | String err = content.get(content.size() - 1).move( | |
352 | x, y); | |
353 | if (err != null) | |
354 | setMessage(err, true); | |
355 | } | |
356 | ||
357 | break; | |
358 | // mode with windows: | |
359 | case CONTACT_LIST: | |
360 | Card card = action.getCard(); | |
361 | if (card != null) { | |
362 | pushContent(new ContactList(card)); | |
363 | } | |
364 | break; | |
365 | case CONTACT_DETAILS: | |
366 | Contact contact = action.getContact(); | |
367 | if (contact != null) { | |
368 | pushContent(new ContactDetails(contact)); | |
369 | } | |
370 | break; | |
371 | // mode interpreted by MainWindow: | |
372 | case HELP: | |
373 | // TODO | |
374 | // setMessage("Help! I need somebody! Help!", false); | |
375 | setQuestion("Test question?", false); | |
376 | handled = true; | |
377 | break; | |
378 | case BACK: | |
379 | popContent(); | |
380 | if (content.size() == 0) | |
381 | close(); | |
382 | break; | |
383 | default: | |
384 | case NONE: | |
385 | break; | |
386 | } | |
387 | } | |
388 | ||
389 | break; | |
390 | } | |
391 | } | |
392 | ||
393 | if (!handled) | |
394 | handled = super.handleInput(key); | |
395 | ||
396 | return handled; | |
397 | } | |
398 | } |