ColorTheme.java

   1 /**
   2  * Jexer - Java Text User Interface
   3  *
   4  * License: LGPLv3 or later
   5  *
   6  * This module is licensed under the GNU Lesser General Public License
   7  * Version 3.  Please see the file "COPYING" in this directory for more
   8  * information about the GNU Lesser General Public License Version 3.
   9  *
  10  *     Copyright (C) 2015  Kevin Lamonte
  11  *
  12  * This program is free software; you can redistribute it and/or
  13  * modify it under the terms of the GNU Lesser General Public License
  14  * as published by the Free Software Foundation; either version 3 of
  15  * the License, or (at your option) any later version.
  16  *
  17  * This program is distributed in the hope that it will be useful, but
  18  * WITHOUT ANY WARRANTY; without even the implied warranty of
  19  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  20  * General Public License for more details.
  21  *
  22  * You should have received a copy of the GNU Lesser General Public
  23  * License along with this program; if not, see
  24  * http://www.gnu.org/licenses/, or write to the Free Software
  25  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
  26  * 02110-1301 USA
  27  *
  28  * @author Kevin Lamonte [kevin.lamonte@gmail.com]
  29  * @version 1
  30  */
  31 package jexer.bits;
  32
  33 import java.io.BufferedReader;
  34 import java.io.FileReader;
  35 import java.io.FileWriter;
  36 import java.io.IOException;
  37 import java.util.SortedMap;
  38 import java.util.StringTokenizer;
  39 import java.util.TreeMap;
  40
  41 /**
  42  * ColorTheme is a collection of colors keyed by string.  A default theme is
  43  * also provided that matches the blue-and-white theme used by Turbo Vision.
  44  */
  45 public final class ColorTheme {
  46
  47     /**
  48      * The current theme colors.
  49      */
  50     private SortedMap<String, CellAttributes> colors;
  51
  52     /**
  53      * Public constructor sets the theme to the default.
  54      */
  55     public ColorTheme() {
  56         colors = new TreeMap<String, CellAttributes>();
  57         setDefaultTheme();
  58     }
  59
  60     /**
  61      * Retrieve the CellAttributes for a named theme color.
  62      *
  63      * @param name theme color name, e.g. "twindow.border"
  64      * @return color associated with name, e.g. bold yellow on blue
  65      */
  66     public CellAttributes getColor(final String name) {
  67         CellAttributes attr = (CellAttributes) colors.get(name);
  68         return attr;
  69     }
  70
  71     /**
  72      * Save the color theme mappings to an ASCII file.
  73      *
  74      * @param filename file to write to
  75      * @throws IOException if the I/O fails
  76      */
  77     public void save(final String filename) throws IOException {
  78         FileWriter file = new FileWriter(filename);
  79         for (String key: colors.keySet()) {
  80             CellAttributes color = getColor(key);
  81             file.write(String.format("%s = %s\n", key, color));
  82         }
  83         file.close();
  84     }
  85
  86     /**
  87      * Read color theme mappings from an ASCII file.
  88      *
  89      * @param filename file to read from
  90      * @throws IOException if the I/O fails
  91      */
  92     public void load(final String filename) throws IOException {
  93         BufferedReader reader = new BufferedReader(new FileReader(filename));
  94         String line = reader.readLine();
  95         for (; line != null; line = reader.readLine()) {
  96             String key;
  97             String bold;
  98             String foreColor;
  99             String backColor;
 100
 101             // Look for lines that resemble:
 102             //     "key = blah on blah"
 103             //     "key = bold blah on blah"
 104             StringTokenizer tokenizer = new StringTokenizer(line);
 105             key = tokenizer.nextToken();
 106             if (!tokenizer.nextToken().equals("=")) {
 107                 // Skip this line
 108                 continue;
 109             }
 110             bold = tokenizer.nextToken();
 111             if (!bold.toLowerCase().equals("bold")) {
 112                 // "key = blah on blah"
 113                 foreColor = bold;
 114             } else {
 115                 // "key = bold blah on blah"
 116                 foreColor = tokenizer.nextToken().toLowerCase();
 117             }
 118             if (!tokenizer.nextToken().toLowerCase().equals("on")) {
 119                 // Skip this line
 120                 continue;
 121             }
 122             backColor = tokenizer.nextToken().toLowerCase();
 123
 124             CellAttributes color = new CellAttributes();
 125             if (bold.equals("bold")) {
 126                 color.setBold(true);
 127             }
 128             color.setForeColor(Color.getColor(foreColor));
 129             color.setBackColor(Color.getColor(backColor));
 130             colors.put(key, color);
 131         }
 132         // All done.
 133         reader.close();
 134     }
 135
 136     /**
 137      * Sets to defaults that resemble the Borland IDE colors.
 138      */
 139     public void setDefaultTheme() {
 140         CellAttributes color;
 141
 142         // TWindow border
 143         color = new CellAttributes();
 144         color.setForeColor(Color.WHITE);
 145         color.setBackColor(Color.BLUE);
 146         color.setBold(true);
 147         colors.put("twindow.border", color);
 148
 149         // TWindow background
 150         color = new CellAttributes();
 151         color.setForeColor(Color.YELLOW);
 152         color.setBackColor(Color.BLUE);
 153         color.setBold(true);
 154         colors.put("twindow.background", color);
 155
 156         // TWindow border - inactive
 157         color = new CellAttributes();
 158         color.setForeColor(Color.BLACK);
 159         color.setBackColor(Color.BLUE);
 160         color.setBold(true);
 161         colors.put("twindow.border.inactive", color);
 162
 163         // TWindow background - inactive
 164         color = new CellAttributes();
 165         color.setForeColor(Color.YELLOW);
 166         color.setBackColor(Color.BLUE);
 167         color.setBold(true);
 168         colors.put("twindow.background.inactive", color);
 169
 170         // TWindow border - modal
 171         color = new CellAttributes();
 172         color.setForeColor(Color.WHITE);
 173         color.setBackColor(Color.WHITE);
 174         color.setBold(true);
 175         colors.put("twindow.border.modal", color);
 176
 177         // TWindow background - modal
 178         color = new CellAttributes();
 179         color.setForeColor(Color.BLACK);
 180         color.setBackColor(Color.WHITE);
 181         color.setBold(false);
 182         colors.put("twindow.background.modal", color);
 183
 184         // TWindow border - modal + inactive
 185         color = new CellAttributes();
 186         color.setForeColor(Color.BLACK);
 187         color.setBackColor(Color.WHITE);
 188         color.setBold(true);
 189         colors.put("twindow.border.modal.inactive", color);
 190
 191         // TWindow background - modal + inactive
 192         color = new CellAttributes();
 193         color.setForeColor(Color.BLACK);
 194         color.setBackColor(Color.WHITE);
 195         color.setBold(false);
 196         colors.put("twindow.background.modal.inactive", color);
 197
 198         // TWindow border - during window movement - modal
 199         color = new CellAttributes();
 200         color.setForeColor(Color.GREEN);
 201         color.setBackColor(Color.WHITE);
 202         color.setBold(true);
 203         colors.put("twindow.border.modal.windowmove", color);
 204
 205         // TWindow border - during window movement
 206         color = new CellAttributes();
 207         color.setForeColor(Color.GREEN);
 208         color.setBackColor(Color.BLUE);
 209         color.setBold(true);
 210         colors.put("twindow.border.windowmove", color);
 211
 212         // TWindow background - during window movement
 213         color = new CellAttributes();
 214         color.setForeColor(Color.YELLOW);
 215         color.setBackColor(Color.BLUE);
 216         color.setBold(false);
 217         colors.put("twindow.background.windowmove", color);
 218
 219         // TApplication background
 220         color = new CellAttributes();
 221         color.setForeColor(Color.BLUE);
 222         color.setBackColor(Color.WHITE);
 223         color.setBold(false);
 224         colors.put("tapplication.background", color);
 225
 226         // TButton text
 227         color = new CellAttributes();
 228         color.setForeColor(Color.BLACK);
 229         color.setBackColor(Color.GREEN);
 230         color.setBold(false);
 231         colors.put("tbutton.inactive", color);
 232         color = new CellAttributes();
 233         color.setForeColor(Color.WHITE);
 234         color.setBackColor(Color.GREEN);
 235         color.setBold(true);
 236         colors.put("tbutton.active", color);
 237         color = new CellAttributes();
 238         color.setForeColor(Color.BLACK);
 239         color.setBackColor(Color.WHITE);
 240         color.setBold(true);
 241         colors.put("tbutton.disabled", color);
 242         color = new CellAttributes();
 243         color.setForeColor(Color.YELLOW);
 244         color.setBackColor(Color.GREEN);
 245         color.setBold(true);
 246         colors.put("tbutton.mnemonic", color);
 247         color = new CellAttributes();
 248         color.setForeColor(Color.YELLOW);
 249         color.setBackColor(Color.GREEN);
 250         color.setBold(true);
 251         colors.put("tbutton.mnemonic.highlighted", color);
 252
 253         // TLabel text
 254         color = new CellAttributes();
 255         color.setForeColor(Color.WHITE);
 256         color.setBackColor(Color.BLUE);
 257         color.setBold(true);
 258         colors.put("tlabel", color);
 259
 260         // TText text
 261         color = new CellAttributes();
 262         color.setForeColor(Color.WHITE);
 263         color.setBackColor(Color.BLACK);
 264         color.setBold(false);
 265         colors.put("ttext", color);
 266
 267         // TField text
 268         color = new CellAttributes();
 269         color.setForeColor(Color.WHITE);
 270         color.setBackColor(Color.BLUE);
 271         color.setBold(false);
 272         colors.put("tfield.inactive", color);
 273         color = new CellAttributes();
 274         color.setForeColor(Color.YELLOW);
 275         color.setBackColor(Color.BLACK);
 276         color.setBold(true);
 277         colors.put("tfield.active", color);
 278
 279         // TCheckbox
 280         color = new CellAttributes();
 281         color.setForeColor(Color.WHITE);
 282         color.setBackColor(Color.BLUE);
 283         color.setBold(false);
 284         colors.put("tcheckbox.inactive", color);
 285         color = new CellAttributes();
 286         color.setForeColor(Color.YELLOW);
 287         color.setBackColor(Color.BLACK);
 288         color.setBold(true);
 289         colors.put("tcheckbox.active", color);
 290
 291
 292         // TRadioButton
 293         color = new CellAttributes();
 294         color.setForeColor(Color.WHITE);
 295         color.setBackColor(Color.BLUE);
 296         color.setBold(false);
 297         colors.put("tradiobutton.inactive", color);
 298         color = new CellAttributes();
 299         color.setForeColor(Color.YELLOW);
 300         color.setBackColor(Color.BLACK);
 301         color.setBold(true);
 302         colors.put("tradiobutton.active", color);
 303
 304         // TRadioGroup
 305         color = new CellAttributes();
 306         color.setForeColor(Color.WHITE);
 307         color.setBackColor(Color.BLUE);
 308         color.setBold(false);
 309         colors.put("tradiogroup.inactive", color);
 310         color = new CellAttributes();
 311         color.setForeColor(Color.YELLOW);
 312         color.setBackColor(Color.BLUE);
 313         color.setBold(true);
 314         colors.put("tradiogroup.active", color);
 315
 316         // TMenu
 317         color = new CellAttributes();
 318         color.setForeColor(Color.BLACK);
 319         color.setBackColor(Color.WHITE);
 320         color.setBold(false);
 321         colors.put("tmenu", color);
 322         color = new CellAttributes();
 323         color.setForeColor(Color.BLACK);
 324         color.setBackColor(Color.GREEN);
 325         color.setBold(false);
 326         colors.put("tmenu.highlighted", color);
 327         color = new CellAttributes();
 328         color.setForeColor(Color.RED);
 329         color.setBackColor(Color.WHITE);
 330         color.setBold(false);
 331         colors.put("tmenu.mnemonic", color);
 332         color = new CellAttributes();
 333         color.setForeColor(Color.RED);
 334         color.setBackColor(Color.GREEN);
 335         color.setBold(false);
 336         colors.put("tmenu.mnemonic.highlighted", color);
 337         color = new CellAttributes();
 338         color.setForeColor(Color.BLACK);
 339         color.setBackColor(Color.WHITE);
 340         color.setBold(true);
 341         colors.put("tmenu.disabled", color);
 342
 343         // TProgressBar
 344         color = new CellAttributes();
 345         color.setForeColor(Color.BLUE);
 346         color.setBackColor(Color.BLUE);
 347         color.setBold(true);
 348         colors.put("tprogressbar.complete", color);
 349         color = new CellAttributes();
 350         color.setForeColor(Color.WHITE);
 351         color.setBackColor(Color.BLUE);
 352         color.setBold(false);
 353         colors.put("tprogressbar.incomplete", color);
 354
 355         // THScroller / TVScroller
 356         color = new CellAttributes();
 357         color.setForeColor(Color.CYAN);
 358         color.setBackColor(Color.BLUE);
 359         color.setBold(false);
 360         colors.put("tscroller.bar", color);
 361         color = new CellAttributes();
 362         color.setForeColor(Color.BLUE);
 363         color.setBackColor(Color.CYAN);
 364         color.setBold(false);
 365         colors.put("tscroller.arrows", color);
 366
 367         // TTreeView
 368         color = new CellAttributes();
 369         color.setForeColor(Color.WHITE);
 370         color.setBackColor(Color.BLUE);
 371         color.setBold(false);
 372         colors.put("ttreeview", color);
 373         color = new CellAttributes();
 374         color.setForeColor(Color.GREEN);
 375         color.setBackColor(Color.BLUE);
 376         color.setBold(true);
 377         colors.put("ttreeview.expandbutton", color);
 378         color = new CellAttributes();
 379         color.setForeColor(Color.BLACK);
 380         color.setBackColor(Color.CYAN);
 381         color.setBold(false);
 382         colors.put("ttreeview.selected", color);
 383         color = new CellAttributes();
 384         color.setForeColor(Color.RED);
 385         color.setBackColor(Color.BLUE);
 386         color.setBold(false);
 387         colors.put("ttreeview.unreadable", color);
 388         color = new CellAttributes();
 389         color.setForeColor(Color.BLACK);
 390         color.setBackColor(Color.BLUE);
 391         color.setBold(true);
 392         colors.put("ttreeview.inactive", color);
 393
 394         // TText text
 395         color = new CellAttributes();
 396         color.setForeColor(Color.WHITE);
 397         color.setBackColor(Color.BLUE);
 398         color.setBold(false);
 399         colors.put("tdirectorylist", color);
 400         color = new CellAttributes();
 401         color.setForeColor(Color.BLACK);
 402         color.setBackColor(Color.CYAN);
 403         color.setBold(false);
 404         colors.put("tdirectorylist.selected", color);
 405         color = new CellAttributes();
 406         color.setForeColor(Color.BLACK);
 407         color.setBackColor(Color.CYAN);
 408         color.setBold(false);
 409         colors.put("tdirectorylist.unreadable", color);
 410         color = new CellAttributes();
 411         color.setForeColor(Color.BLACK);
 412         color.setBackColor(Color.BLUE);
 413         color.setBold(true);
 414         colors.put("tdirectorylist.inactive", color);
 415
 416         // TEditor
 417         color = new CellAttributes();
 418         color.setForeColor(Color.WHITE);
 419         color.setBackColor(Color.BLACK);
 420         color.setBold(false);
 421         colors.put("teditor", color);
 422
 423     }
 424
 425 }