src/be/nikiroo/fanfix/reader/tui/TuiReaderStoryWindow.java

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