| 1 | package be.nikiroo.fanfix.reader.tui; |
| 2 | |
| 3 | import java.text.ParseException; |
| 4 | import java.text.SimpleDateFormat; |
| 5 | import java.util.ArrayList; |
| 6 | import java.util.Arrays; |
| 7 | import java.util.Date; |
| 8 | import java.util.List; |
| 9 | |
| 10 | import jexer.TAction; |
| 11 | import jexer.TButton; |
| 12 | import jexer.TLabel; |
| 13 | import jexer.TText; |
| 14 | import jexer.TWindow; |
| 15 | import jexer.event.TCommandEvent; |
| 16 | import jexer.event.TResizeEvent; |
| 17 | import be.nikiroo.fanfix.data.Chapter; |
| 18 | import be.nikiroo.fanfix.data.MetaData; |
| 19 | import be.nikiroo.fanfix.data.Paragraph; |
| 20 | import be.nikiroo.fanfix.data.Paragraph.ParagraphType; |
| 21 | import be.nikiroo.fanfix.data.Story; |
| 22 | import be.nikiroo.jexer.TTable; |
| 23 | import be.nikiroo.utils.StringUtils; |
| 24 | |
| 25 | /** |
| 26 | * This window will contain the {@link Story} in a readable format, with a |
| 27 | * chapter browser. |
| 28 | * |
| 29 | * @author niki |
| 30 | */ |
| 31 | class TuiReaderStoryWindow extends TWindow { |
| 32 | private Story story; |
| 33 | private TLabel titleField; |
| 34 | private TText textField; |
| 35 | private TTable table; |
| 36 | private int chapter = -99; // invalid value |
| 37 | private List<TButton> navigationButtons; |
| 38 | private TLabel currentChapter; |
| 39 | private List<TSizeConstraint> sizeConstraints = new ArrayList<TSizeConstraint>(); |
| 40 | |
| 41 | // chapter: -1 for "none" (0 is desc) |
| 42 | public TuiReaderStoryWindow(TuiReaderApplication app, Story story, |
| 43 | int chapter) { |
| 44 | super(app, desc(story.getMeta()), 0, 0, 60, 18, CENTERED | RESIZABLE); |
| 45 | |
| 46 | this.story = story; |
| 47 | |
| 48 | app.setStatusBar(this, desc(story.getMeta())); |
| 49 | |
| 50 | // last = use window background |
| 51 | titleField = new TLabel(this, " Title", 0, 1, "tlabel", false); |
| 52 | textField = new TText(this, "", 0, 0, 1, 1); |
| 53 | table = new TTable(this, 0, 0, 1, 1, null, null, Arrays.asList("Key", "Value"), true); |
| 54 | |
| 55 | titleField.setEnabled(false); |
| 56 | |
| 57 | navigationButtons = new ArrayList<TButton>(5); |
| 58 | |
| 59 | // for bg colour when << button is pressed |
| 60 | navigationButtons.add(addButton(" ", 0, 0, null)); |
| 61 | navigationButtons.add(addButton("<< ", 0, 0, new TAction() { |
| 62 | @Override |
| 63 | public void DO() { |
| 64 | setChapter(-1); |
| 65 | } |
| 66 | })); |
| 67 | navigationButtons.add(addButton("< ", 4, 0, new TAction() { |
| 68 | @Override |
| 69 | public void DO() { |
| 70 | setChapter(TuiReaderStoryWindow.this.chapter - 1); |
| 71 | } |
| 72 | })); |
| 73 | navigationButtons.add(addButton("> ", 7, 0, new TAction() { |
| 74 | @Override |
| 75 | public void DO() { |
| 76 | setChapter(TuiReaderStoryWindow.this.chapter + 1); |
| 77 | } |
| 78 | })); |
| 79 | navigationButtons.add(addButton(">> ", 10, 0, new TAction() { |
| 80 | @Override |
| 81 | public void DO() { |
| 82 | setChapter(getStory().getChapters().size()); |
| 83 | } |
| 84 | })); |
| 85 | |
| 86 | navigationButtons.get(0).setEnabled(false); |
| 87 | navigationButtons.get(1).setEnabled(false); |
| 88 | navigationButtons.get(2).setEnabled(false); |
| 89 | |
| 90 | currentChapter = addLabel("", 0, 0); |
| 91 | |
| 92 | TSizeConstraint.setSize(sizeConstraints, textField, 1, 3, -1, 0); |
| 93 | TSizeConstraint.setSize(sizeConstraints, table, 0, 3, 0, 0); |
| 94 | TSizeConstraint.setSize(sizeConstraints, currentChapter, 14, -3, -1, |
| 95 | null); |
| 96 | |
| 97 | for (TButton navigationButton : navigationButtons) { |
| 98 | TSizeConstraint.setSize(sizeConstraints, navigationButton, null, |
| 99 | -3, null, null); |
| 100 | } |
| 101 | |
| 102 | onResize(null); |
| 103 | |
| 104 | setChapter(chapter); |
| 105 | } |
| 106 | |
| 107 | @Override |
| 108 | public void onResize(TResizeEvent resize) { |
| 109 | if (resize != null) { |
| 110 | super.onResize(resize); |
| 111 | } |
| 112 | |
| 113 | // TODO: find out why TText and TTable does not behave the same way |
| 114 | // (offset of 2 for height and width) |
| 115 | |
| 116 | TSizeConstraint.resize(sizeConstraints); |
| 117 | |
| 118 | textField.getVerticalScroller().setX( |
| 119 | textField.getVerticalScroller().getX() + 1); |
| 120 | |
| 121 | setCurrentChapterText(); |
| 122 | } |
| 123 | |
| 124 | /** |
| 125 | * Display the current chapter in the window, or the {@link Story} info |
| 126 | * page. |
| 127 | * |
| 128 | * @param chapter |
| 129 | * the chapter (including "0" which is the description) or "-1" |
| 130 | * to display the info page instead |
| 131 | */ |
| 132 | private void setChapter(int chapter) { |
| 133 | if (chapter > getStory().getChapters().size()) { |
| 134 | chapter = getStory().getChapters().size(); |
| 135 | } |
| 136 | |
| 137 | if (chapter != this.chapter) { |
| 138 | this.chapter = chapter; |
| 139 | |
| 140 | int max = getStory().getChapters().size(); |
| 141 | navigationButtons.get(0).setEnabled(chapter > -1); |
| 142 | navigationButtons.get(1).setEnabled(chapter > -1); |
| 143 | navigationButtons.get(2).setEnabled(chapter > -1); |
| 144 | navigationButtons.get(3).setEnabled(chapter < max); |
| 145 | navigationButtons.get(4).setEnabled(chapter < max); |
| 146 | |
| 147 | if (chapter < 0) { |
| 148 | displayInfoPage(); |
| 149 | } else { |
| 150 | displayChapterPage(); |
| 151 | } |
| 152 | } |
| 153 | |
| 154 | setCurrentChapterText(); |
| 155 | } |
| 156 | |
| 157 | /** |
| 158 | * Append the info page about the current {@link Story}. |
| 159 | * |
| 160 | * @param builder |
| 161 | * the builder to append to |
| 162 | */ |
| 163 | private void displayInfoPage() { |
| 164 | textField.setVisible(false); |
| 165 | table.setVisible(true); |
| 166 | textField.setEnabled(false); |
| 167 | table.setEnabled(true); |
| 168 | |
| 169 | MetaData meta = getStory().getMeta(); |
| 170 | |
| 171 | setCurrentTitle(meta.getTitle()); |
| 172 | |
| 173 | table.setRowData(new String[][] { // |
| 174 | new String[] { " Author", meta.getAuthor() }, // |
| 175 | new String[] { " Publication date", formatDate(meta.getDate()) }, |
| 176 | new String[] { " Word count", format(meta.getWords()) }, |
| 177 | new String[] { " Source", meta.getSource() } // |
| 178 | }); |
| 179 | table.setHeaders(Arrays.asList("key", "value"), false); |
| 180 | table.toTop(); |
| 181 | } |
| 182 | |
| 183 | private String format(long value) { |
| 184 | String display = ""; |
| 185 | |
| 186 | while (value > 0) { |
| 187 | if (!display.isEmpty()) { |
| 188 | display = "." + display; |
| 189 | } |
| 190 | display = (value % 1000) + display; |
| 191 | value = value / 1000; |
| 192 | } |
| 193 | |
| 194 | return display; |
| 195 | } |
| 196 | |
| 197 | private String formatDate(String date) { |
| 198 | long ms = 0; |
| 199 | |
| 200 | try { |
| 201 | ms = StringUtils.toTime(date); |
| 202 | } catch (ParseException e) { |
| 203 | } |
| 204 | |
| 205 | if (ms <= 0) { |
| 206 | SimpleDateFormat sdf = new SimpleDateFormat( |
| 207 | "yyyy-MM-dd'T'HH:mm:ssXXX"); |
| 208 | try { |
| 209 | ms = sdf.parse(date).getTime(); |
| 210 | } catch (ParseException e) { |
| 211 | } |
| 212 | } |
| 213 | |
| 214 | if (ms > 0) { |
| 215 | SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd"); |
| 216 | return sdf.format(new Date(ms)); |
| 217 | } |
| 218 | |
| 219 | // :( |
| 220 | return date; |
| 221 | } |
| 222 | |
| 223 | /** |
| 224 | * Append the current chapter. |
| 225 | * |
| 226 | * @param builder |
| 227 | * the builder to append to |
| 228 | */ |
| 229 | private void displayChapterPage() { |
| 230 | table.setVisible(false); |
| 231 | textField.setVisible(true); |
| 232 | table.setEnabled(false); |
| 233 | textField.setEnabled(true); |
| 234 | |
| 235 | StringBuilder builder = new StringBuilder(); |
| 236 | |
| 237 | Chapter chap = null; |
| 238 | if (chapter == 0) { |
| 239 | chap = getStory().getMeta().getResume(); |
| 240 | } else if (chapter > 0) { |
| 241 | chap = getStory().getChapters().get(chapter - 1); |
| 242 | } |
| 243 | |
| 244 | // TODO: i18n |
| 245 | String chapName = chap == null ? "[No RESUME]" : chap.getName(); |
| 246 | setCurrentTitle(String.format("Chapter %d: %s", chapter, chapName)); |
| 247 | |
| 248 | if (chap != null) { |
| 249 | for (Paragraph para : chap) { |
| 250 | if (para.getType() == ParagraphType.BREAK) { |
| 251 | builder.append("\n"); |
| 252 | } |
| 253 | builder.append(para.getContent()).append("\n"); |
| 254 | if (para.getType() == ParagraphType.BREAK) { |
| 255 | builder.append("\n"); |
| 256 | } |
| 257 | } |
| 258 | } |
| 259 | |
| 260 | setText(builder.toString()); |
| 261 | } |
| 262 | |
| 263 | private Story getStory() { |
| 264 | return story; |
| 265 | } |
| 266 | |
| 267 | /** |
| 268 | * Display the given text on the window. |
| 269 | * |
| 270 | * @param text |
| 271 | * the text to display |
| 272 | */ |
| 273 | private void setText(String text) { |
| 274 | textField.setText(text); |
| 275 | textField.reflowData(); |
| 276 | textField.toTop(); |
| 277 | } |
| 278 | |
| 279 | /** |
| 280 | * Set the current chapter area to the correct value. |
| 281 | */ |
| 282 | private void setCurrentChapterText() { |
| 283 | String name; |
| 284 | if (chapter < 0) { |
| 285 | name = " " + getStory().getMeta().getTitle(); |
| 286 | } else if (chapter == 0) { |
| 287 | Chapter resume = getStory().getMeta().getResume(); |
| 288 | if (resume != null) { |
| 289 | name = String.format(" %s", resume.getName()); |
| 290 | } else { |
| 291 | // TODO: i18n |
| 292 | name = "[No RESUME]"; |
| 293 | } |
| 294 | } else { |
| 295 | int max = getStory().getChapters().size(); |
| 296 | Chapter chap = getStory().getChapters().get(chapter - 1); |
| 297 | name = String.format(" %d/%d: %s", chapter, max, chap.getName()); |
| 298 | } |
| 299 | |
| 300 | int width = getWidth() - currentChapter.getX(); |
| 301 | name = String.format("%-" + width + "s", name); |
| 302 | if (name.length() > width) { |
| 303 | name = name.substring(0, width); |
| 304 | } |
| 305 | |
| 306 | currentChapter.setLabel(name); |
| 307 | } |
| 308 | |
| 309 | /** |
| 310 | * Set the current title in-window. |
| 311 | * |
| 312 | * @param title |
| 313 | * the new title |
| 314 | */ |
| 315 | private void setCurrentTitle(String title) { |
| 316 | String pad = ""; |
| 317 | if (title.length() < getWidth()) { |
| 318 | int padSize = (getWidth() - title.length()) / 2; |
| 319 | pad = String.format("%" + padSize + "s", ""); |
| 320 | } |
| 321 | |
| 322 | title = pad + title + pad; |
| 323 | titleField.setWidth(title.length()); |
| 324 | titleField.setLabel(title); |
| 325 | } |
| 326 | |
| 327 | private static String desc(MetaData meta) { |
| 328 | return String.format("%s: %s", meta.getLuid(), meta.getTitle()); |
| 329 | } |
| 330 | |
| 331 | @Override |
| 332 | public void onCommand(TCommandEvent command) { |
| 333 | if (command.getCmd().equals(TuiReaderApplication.CMD_EXIT)) { |
| 334 | TuiReaderApplication.close(this); |
| 335 | } else { |
| 336 | // Handle our own event if needed here |
| 337 | super.onCommand(command); |
| 338 | } |
| 339 | } |
| 340 | } |