J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 1997-2003 Sun Microsystems, Inc. All Rights Reserved. |
| 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 | * |
| 5 | * This code is free software; you can redistribute it and/or modify it |
| 6 | * under the terms of the GNU General Public License version 2 only, as |
| 7 | * published by the Free Software Foundation. Sun designates this |
| 8 | * particular file as subject to the "Classpath" exception as provided |
| 9 | * by Sun in the LICENSE file that accompanied this code. |
| 10 | * |
| 11 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| 14 | * version 2 for more details (a copy is included in the LICENSE file that |
| 15 | * accompanied this code). |
| 16 | * |
| 17 | * You should have received a copy of the GNU General Public License version |
| 18 | * 2 along with this work; if not, write to the Free Software Foundation, |
| 19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| 20 | * |
| 21 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| 22 | * CA 95054 USA or visit www.sun.com if you need additional information or |
| 23 | * have any questions. |
| 24 | */ |
| 25 | package javax.swing.text; |
| 26 | |
| 27 | import java.awt.Color; |
| 28 | import java.awt.Component; |
| 29 | import java.awt.Toolkit; |
| 30 | import javax.swing.Icon; |
| 31 | |
| 32 | /** |
| 33 | * <p> |
| 34 | * A collection of <em>well known</em> or common attribute keys |
| 35 | * and methods to apply to an AttributeSet or MutableAttributeSet |
| 36 | * to get/set the properties in a typesafe manner. |
| 37 | * <p> |
| 38 | * The paragraph attributes form the definition of a paragraph to be rendered. |
| 39 | * All sizes are specified in points (such as found in postscript), a |
| 40 | * device independent measure. |
| 41 | * </p> |
| 42 | * <p align=center><img src="doc-files/paragraph.gif" |
| 43 | * alt="Diagram shows SpaceAbove, FirstLineIndent, LeftIndent, RightIndent, |
| 44 | * and SpaceBelow a paragraph."></p> |
| 45 | * <p> |
| 46 | * |
| 47 | * @author Timothy Prinzing |
| 48 | */ |
| 49 | public class StyleConstants { |
| 50 | |
| 51 | /** |
| 52 | * Name of elements used to represent components. |
| 53 | */ |
| 54 | public static final String ComponentElementName = "component"; |
| 55 | |
| 56 | /** |
| 57 | * Name of elements used to represent icons. |
| 58 | */ |
| 59 | public static final String IconElementName = "icon"; |
| 60 | |
| 61 | /** |
| 62 | * Attribute name used to name the collection of |
| 63 | * attributes. |
| 64 | */ |
| 65 | public static final Object NameAttribute = new StyleConstants("name"); |
| 66 | |
| 67 | /** |
| 68 | * Attribute name used to identifiy the resolving parent |
| 69 | * set of attributes, if one is defined. |
| 70 | */ |
| 71 | public static final Object ResolveAttribute = new StyleConstants("resolver"); |
| 72 | |
| 73 | /** |
| 74 | * Attribute used to identify the model for embedded |
| 75 | * objects that have a model view separation. |
| 76 | */ |
| 77 | public static final Object ModelAttribute = new StyleConstants("model"); |
| 78 | |
| 79 | /** |
| 80 | * Returns the string representation. |
| 81 | * |
| 82 | * @return the string |
| 83 | */ |
| 84 | public String toString() { |
| 85 | return representation; |
| 86 | } |
| 87 | |
| 88 | // ---- character constants ----------------------------------- |
| 89 | |
| 90 | /** |
| 91 | * Bidirectional level of a character as assigned by the Unicode bidi |
| 92 | * algorithm. |
| 93 | */ |
| 94 | public static final Object BidiLevel = new CharacterConstants("bidiLevel"); |
| 95 | |
| 96 | /** |
| 97 | * Name of the font family. |
| 98 | */ |
| 99 | public static final Object FontFamily = new FontConstants("family"); |
| 100 | |
| 101 | /** |
| 102 | * Name of the font family. |
| 103 | * |
| 104 | * @since 1.5 |
| 105 | */ |
| 106 | public static final Object Family = FontFamily; |
| 107 | |
| 108 | /** |
| 109 | * Name of the font size. |
| 110 | */ |
| 111 | public static final Object FontSize = new FontConstants("size"); |
| 112 | |
| 113 | /** |
| 114 | * Name of the font size. |
| 115 | * |
| 116 | * @since 1.5 |
| 117 | */ |
| 118 | public static final Object Size = FontSize; |
| 119 | |
| 120 | /** |
| 121 | * Name of the bold attribute. |
| 122 | */ |
| 123 | public static final Object Bold = new FontConstants("bold"); |
| 124 | |
| 125 | /** |
| 126 | * Name of the italic attribute. |
| 127 | */ |
| 128 | public static final Object Italic = new FontConstants("italic"); |
| 129 | |
| 130 | /** |
| 131 | * Name of the underline attribute. |
| 132 | */ |
| 133 | public static final Object Underline = new CharacterConstants("underline"); |
| 134 | |
| 135 | /** |
| 136 | * Name of the Strikethrough attribute. |
| 137 | */ |
| 138 | public static final Object StrikeThrough = new CharacterConstants("strikethrough"); |
| 139 | |
| 140 | /** |
| 141 | * Name of the Superscript attribute. |
| 142 | */ |
| 143 | public static final Object Superscript = new CharacterConstants("superscript"); |
| 144 | |
| 145 | /** |
| 146 | * Name of the Subscript attribute. |
| 147 | */ |
| 148 | public static final Object Subscript = new CharacterConstants("subscript"); |
| 149 | |
| 150 | /** |
| 151 | * Name of the foreground color attribute. |
| 152 | */ |
| 153 | public static final Object Foreground = new ColorConstants("foreground"); |
| 154 | |
| 155 | /** |
| 156 | * Name of the background color attribute. |
| 157 | */ |
| 158 | public static final Object Background = new ColorConstants("background"); |
| 159 | |
| 160 | /** |
| 161 | * Name of the component attribute. |
| 162 | */ |
| 163 | public static final Object ComponentAttribute = new CharacterConstants("component"); |
| 164 | |
| 165 | /** |
| 166 | * Name of the icon attribute. |
| 167 | */ |
| 168 | public static final Object IconAttribute = new CharacterConstants("icon"); |
| 169 | |
| 170 | /** |
| 171 | * Name of the input method composed text attribute. The value of |
| 172 | * this attribute is an instance of AttributedString which represents |
| 173 | * the composed text. |
| 174 | */ |
| 175 | public static final Object ComposedTextAttribute = new StyleConstants("composed text"); |
| 176 | |
| 177 | /** |
| 178 | * The amount of space to indent the first |
| 179 | * line of the paragraph. This value may be negative |
| 180 | * to offset in the reverse direction. The type |
| 181 | * is Float and specifies the size of the space |
| 182 | * in points. |
| 183 | */ |
| 184 | public static final Object FirstLineIndent = new ParagraphConstants("FirstLineIndent"); |
| 185 | |
| 186 | /** |
| 187 | * The amount to indent the left side |
| 188 | * of the paragraph. |
| 189 | * Type is float and specifies the size in points. |
| 190 | */ |
| 191 | public static final Object LeftIndent = new ParagraphConstants("LeftIndent"); |
| 192 | |
| 193 | /** |
| 194 | * The amount to indent the right side |
| 195 | * of the paragraph. |
| 196 | * Type is float and specifies the size in points. |
| 197 | */ |
| 198 | public static final Object RightIndent = new ParagraphConstants("RightIndent"); |
| 199 | |
| 200 | /** |
| 201 | * The amount of space between lines |
| 202 | * of the paragraph. |
| 203 | * Type is float and specifies the size as a factor of the line height |
| 204 | */ |
| 205 | public static final Object LineSpacing = new ParagraphConstants("LineSpacing"); |
| 206 | |
| 207 | /** |
| 208 | * The amount of space above the paragraph. |
| 209 | * Type is float and specifies the size in points. |
| 210 | */ |
| 211 | public static final Object SpaceAbove = new ParagraphConstants("SpaceAbove"); |
| 212 | |
| 213 | /** |
| 214 | * The amount of space below the paragraph. |
| 215 | * Type is float and specifies the size in points. |
| 216 | */ |
| 217 | public static final Object SpaceBelow = new ParagraphConstants("SpaceBelow"); |
| 218 | |
| 219 | /** |
| 220 | * Alignment for the paragraph. The type is |
| 221 | * Integer. Valid values are: |
| 222 | * <ul> |
| 223 | * <li>ALIGN_LEFT |
| 224 | * <li>ALIGN_RIGHT |
| 225 | * <li>ALIGN_CENTER |
| 226 | * <li>ALIGN_JUSTIFED |
| 227 | * </ul> |
| 228 | * |
| 229 | */ |
| 230 | public static final Object Alignment = new ParagraphConstants("Alignment"); |
| 231 | |
| 232 | /** |
| 233 | * TabSet for the paragraph, type is a TabSet containing |
| 234 | * TabStops. |
| 235 | */ |
| 236 | public static final Object TabSet = new ParagraphConstants("TabSet"); |
| 237 | |
| 238 | /** |
| 239 | * Orientation for a paragraph. |
| 240 | */ |
| 241 | public static final Object Orientation = new ParagraphConstants("Orientation"); |
| 242 | /** |
| 243 | * A possible value for paragraph alignment. This |
| 244 | * specifies that the text is aligned to the left |
| 245 | * indent and extra whitespace should be placed on |
| 246 | * the right. |
| 247 | */ |
| 248 | public static final int ALIGN_LEFT = 0; |
| 249 | |
| 250 | /** |
| 251 | * A possible value for paragraph alignment. This |
| 252 | * specifies that the text is aligned to the center |
| 253 | * and extra whitespace should be placed equally on |
| 254 | * the left and right. |
| 255 | */ |
| 256 | public static final int ALIGN_CENTER = 1; |
| 257 | |
| 258 | /** |
| 259 | * A possible value for paragraph alignment. This |
| 260 | * specifies that the text is aligned to the right |
| 261 | * indent and extra whitespace should be placed on |
| 262 | * the left. |
| 263 | */ |
| 264 | public static final int ALIGN_RIGHT = 2; |
| 265 | |
| 266 | /** |
| 267 | * A possible value for paragraph alignment. This |
| 268 | * specifies that extra whitespace should be spread |
| 269 | * out through the rows of the paragraph with the |
| 270 | * text lined up with the left and right indent |
| 271 | * except on the last line which should be aligned |
| 272 | * to the left. |
| 273 | */ |
| 274 | public static final int ALIGN_JUSTIFIED = 3; |
| 275 | |
| 276 | // --- character attribute accessors --------------------------- |
| 277 | |
| 278 | /** |
| 279 | * Gets the BidiLevel setting. |
| 280 | * |
| 281 | * @param a the attribute set |
| 282 | * @return the value |
| 283 | */ |
| 284 | public static int getBidiLevel(AttributeSet a) { |
| 285 | Integer o = (Integer) a.getAttribute(BidiLevel); |
| 286 | if (o != null) { |
| 287 | return o.intValue(); |
| 288 | } |
| 289 | return 0; // Level 0 is base level (non-embedded) left-to-right |
| 290 | } |
| 291 | |
| 292 | /** |
| 293 | * Sets the BidiLevel. |
| 294 | * |
| 295 | * @param a the attribute set |
| 296 | * @param o the bidi level value |
| 297 | */ |
| 298 | public static void setBidiLevel(MutableAttributeSet a, int o) { |
| 299 | a.addAttribute(BidiLevel, new Integer(o)); |
| 300 | } |
| 301 | |
| 302 | /** |
| 303 | * Gets the component setting from the attribute list. |
| 304 | * |
| 305 | * @param a the attribute set |
| 306 | * @return the component, null if none |
| 307 | */ |
| 308 | public static Component getComponent(AttributeSet a) { |
| 309 | return (Component) a.getAttribute(ComponentAttribute); |
| 310 | } |
| 311 | |
| 312 | /** |
| 313 | * Sets the component attribute. |
| 314 | * |
| 315 | * @param a the attribute set |
| 316 | * @param c the component |
| 317 | */ |
| 318 | public static void setComponent(MutableAttributeSet a, Component c) { |
| 319 | a.addAttribute(AbstractDocument.ElementNameAttribute, ComponentElementName); |
| 320 | a.addAttribute(ComponentAttribute, c); |
| 321 | } |
| 322 | |
| 323 | /** |
| 324 | * Gets the icon setting from the attribute list. |
| 325 | * |
| 326 | * @param a the attribute set |
| 327 | * @return the icon, null if none |
| 328 | */ |
| 329 | public static Icon getIcon(AttributeSet a) { |
| 330 | return (Icon) a.getAttribute(IconAttribute); |
| 331 | } |
| 332 | |
| 333 | /** |
| 334 | * Sets the icon attribute. |
| 335 | * |
| 336 | * @param a the attribute set |
| 337 | * @param c the icon |
| 338 | */ |
| 339 | public static void setIcon(MutableAttributeSet a, Icon c) { |
| 340 | a.addAttribute(AbstractDocument.ElementNameAttribute, IconElementName); |
| 341 | a.addAttribute(IconAttribute, c); |
| 342 | } |
| 343 | |
| 344 | /** |
| 345 | * Gets the font family setting from the attribute list. |
| 346 | * |
| 347 | * @param a the attribute set |
| 348 | * @return the font family, "Monospaced" as the default |
| 349 | */ |
| 350 | public static String getFontFamily(AttributeSet a) { |
| 351 | String family = (String) a.getAttribute(FontFamily); |
| 352 | if (family == null) { |
| 353 | family = "Monospaced"; |
| 354 | } |
| 355 | return family; |
| 356 | } |
| 357 | |
| 358 | /** |
| 359 | * Sets the font attribute. |
| 360 | * |
| 361 | * @param a the attribute set |
| 362 | * @param fam the font |
| 363 | */ |
| 364 | public static void setFontFamily(MutableAttributeSet a, String fam) { |
| 365 | a.addAttribute(FontFamily, fam); |
| 366 | } |
| 367 | |
| 368 | /** |
| 369 | * Gets the font size setting from the attribute list. |
| 370 | * |
| 371 | * @param a the attribute set |
| 372 | * @return the font size, 12 as the default |
| 373 | */ |
| 374 | public static int getFontSize(AttributeSet a) { |
| 375 | Integer size = (Integer) a.getAttribute(FontSize); |
| 376 | if (size != null) { |
| 377 | return size.intValue(); |
| 378 | } |
| 379 | return 12; |
| 380 | } |
| 381 | |
| 382 | /** |
| 383 | * Sets the font size attribute. |
| 384 | * |
| 385 | * @param a the attribute set |
| 386 | * @param s the font size |
| 387 | */ |
| 388 | public static void setFontSize(MutableAttributeSet a, int s) { |
| 389 | a.addAttribute(FontSize, new Integer(s)); |
| 390 | } |
| 391 | |
| 392 | /** |
| 393 | * Checks whether the bold attribute is set. |
| 394 | * |
| 395 | * @param a the attribute set |
| 396 | * @return true if set else false |
| 397 | */ |
| 398 | public static boolean isBold(AttributeSet a) { |
| 399 | Boolean bold = (Boolean) a.getAttribute(Bold); |
| 400 | if (bold != null) { |
| 401 | return bold.booleanValue(); |
| 402 | } |
| 403 | return false; |
| 404 | } |
| 405 | |
| 406 | /** |
| 407 | * Sets the bold attribute. |
| 408 | * |
| 409 | * @param a the attribute set |
| 410 | * @param b specifies true/false for setting the attribute |
| 411 | */ |
| 412 | public static void setBold(MutableAttributeSet a, boolean b) { |
| 413 | a.addAttribute(Bold, Boolean.valueOf(b)); |
| 414 | } |
| 415 | |
| 416 | /** |
| 417 | * Checks whether the italic attribute is set. |
| 418 | * |
| 419 | * @param a the attribute set |
| 420 | * @return true if set else false |
| 421 | */ |
| 422 | public static boolean isItalic(AttributeSet a) { |
| 423 | Boolean italic = (Boolean) a.getAttribute(Italic); |
| 424 | if (italic != null) { |
| 425 | return italic.booleanValue(); |
| 426 | } |
| 427 | return false; |
| 428 | } |
| 429 | |
| 430 | /** |
| 431 | * Sets the italic attribute. |
| 432 | * |
| 433 | * @param a the attribute set |
| 434 | * @param b specifies true/false for setting the attribute |
| 435 | */ |
| 436 | public static void setItalic(MutableAttributeSet a, boolean b) { |
| 437 | a.addAttribute(Italic, Boolean.valueOf(b)); |
| 438 | } |
| 439 | |
| 440 | /** |
| 441 | * Checks whether the underline attribute is set. |
| 442 | * |
| 443 | * @param a the attribute set |
| 444 | * @return true if set else false |
| 445 | */ |
| 446 | public static boolean isUnderline(AttributeSet a) { |
| 447 | Boolean underline = (Boolean) a.getAttribute(Underline); |
| 448 | if (underline != null) { |
| 449 | return underline.booleanValue(); |
| 450 | } |
| 451 | return false; |
| 452 | } |
| 453 | |
| 454 | /** |
| 455 | * Checks whether the strikethrough attribute is set. |
| 456 | * |
| 457 | * @param a the attribute set |
| 458 | * @return true if set else false |
| 459 | */ |
| 460 | public static boolean isStrikeThrough(AttributeSet a) { |
| 461 | Boolean strike = (Boolean) a.getAttribute(StrikeThrough); |
| 462 | if (strike != null) { |
| 463 | return strike.booleanValue(); |
| 464 | } |
| 465 | return false; |
| 466 | } |
| 467 | |
| 468 | |
| 469 | /** |
| 470 | * Checks whether the superscript attribute is set. |
| 471 | * |
| 472 | * @param a the attribute set |
| 473 | * @return true if set else false |
| 474 | */ |
| 475 | public static boolean isSuperscript(AttributeSet a) { |
| 476 | Boolean superscript = (Boolean) a.getAttribute(Superscript); |
| 477 | if (superscript != null) { |
| 478 | return superscript.booleanValue(); |
| 479 | } |
| 480 | return false; |
| 481 | } |
| 482 | |
| 483 | |
| 484 | /** |
| 485 | * Checks whether the subscript attribute is set. |
| 486 | * |
| 487 | * @param a the attribute set |
| 488 | * @return true if set else false |
| 489 | */ |
| 490 | public static boolean isSubscript(AttributeSet a) { |
| 491 | Boolean subscript = (Boolean) a.getAttribute(Subscript); |
| 492 | if (subscript != null) { |
| 493 | return subscript.booleanValue(); |
| 494 | } |
| 495 | return false; |
| 496 | } |
| 497 | |
| 498 | |
| 499 | /** |
| 500 | * Sets the underline attribute. |
| 501 | * |
| 502 | * @param a the attribute set |
| 503 | * @param b specifies true/false for setting the attribute |
| 504 | */ |
| 505 | public static void setUnderline(MutableAttributeSet a, boolean b) { |
| 506 | a.addAttribute(Underline, Boolean.valueOf(b)); |
| 507 | } |
| 508 | |
| 509 | /** |
| 510 | * Sets the strikethrough attribute. |
| 511 | * |
| 512 | * @param a the attribute set |
| 513 | * @param b specifies true/false for setting the attribute |
| 514 | */ |
| 515 | public static void setStrikeThrough(MutableAttributeSet a, boolean b) { |
| 516 | a.addAttribute(StrikeThrough, Boolean.valueOf(b)); |
| 517 | } |
| 518 | |
| 519 | /** |
| 520 | * Sets the superscript attribute. |
| 521 | * |
| 522 | * @param a the attribute set |
| 523 | * @param b specifies true/false for setting the attribute |
| 524 | */ |
| 525 | public static void setSuperscript(MutableAttributeSet a, boolean b) { |
| 526 | a.addAttribute(Superscript, Boolean.valueOf(b)); |
| 527 | } |
| 528 | |
| 529 | /** |
| 530 | * Sets the subscript attribute. |
| 531 | * |
| 532 | * @param a the attribute set |
| 533 | * @param b specifies true/false for setting the attribute |
| 534 | */ |
| 535 | public static void setSubscript(MutableAttributeSet a, boolean b) { |
| 536 | a.addAttribute(Subscript, Boolean.valueOf(b)); |
| 537 | } |
| 538 | |
| 539 | |
| 540 | /** |
| 541 | * Gets the foreground color setting from the attribute list. |
| 542 | * |
| 543 | * @param a the attribute set |
| 544 | * @return the color, Color.black as the default |
| 545 | */ |
| 546 | public static Color getForeground(AttributeSet a) { |
| 547 | Color fg = (Color) a.getAttribute(Foreground); |
| 548 | if (fg == null) { |
| 549 | fg = Color.black; |
| 550 | } |
| 551 | return fg; |
| 552 | } |
| 553 | |
| 554 | /** |
| 555 | * Sets the foreground color. |
| 556 | * |
| 557 | * @param a the attribute set |
| 558 | * @param fg the color |
| 559 | */ |
| 560 | public static void setForeground(MutableAttributeSet a, Color fg) { |
| 561 | a.addAttribute(Foreground, fg); |
| 562 | } |
| 563 | |
| 564 | /** |
| 565 | * Gets the background color setting from the attribute list. |
| 566 | * |
| 567 | * @param a the attribute set |
| 568 | * @return the color, Color.black as the default |
| 569 | */ |
| 570 | public static Color getBackground(AttributeSet a) { |
| 571 | Color fg = (Color) a.getAttribute(Background); |
| 572 | if (fg == null) { |
| 573 | fg = Color.black; |
| 574 | } |
| 575 | return fg; |
| 576 | } |
| 577 | |
| 578 | /** |
| 579 | * Sets the background color. |
| 580 | * |
| 581 | * @param a the attribute set |
| 582 | * @param fg the color |
| 583 | */ |
| 584 | public static void setBackground(MutableAttributeSet a, Color fg) { |
| 585 | a.addAttribute(Background, fg); |
| 586 | } |
| 587 | |
| 588 | |
| 589 | // --- paragraph attribute accessors ---------------------------- |
| 590 | |
| 591 | /** |
| 592 | * Gets the first line indent setting. |
| 593 | * |
| 594 | * @param a the attribute set |
| 595 | * @return the value, 0 if not set |
| 596 | */ |
| 597 | public static float getFirstLineIndent(AttributeSet a) { |
| 598 | Float indent = (Float) a.getAttribute(FirstLineIndent); |
| 599 | if (indent != null) { |
| 600 | return indent.floatValue(); |
| 601 | } |
| 602 | return 0; |
| 603 | } |
| 604 | |
| 605 | /** |
| 606 | * Sets the first line indent. |
| 607 | * |
| 608 | * @param a the attribute set |
| 609 | * @param i the value |
| 610 | */ |
| 611 | public static void setFirstLineIndent(MutableAttributeSet a, float i) { |
| 612 | a.addAttribute(FirstLineIndent, new Float(i)); |
| 613 | } |
| 614 | |
| 615 | /** |
| 616 | * Gets the right indent setting. |
| 617 | * |
| 618 | * @param a the attribute set |
| 619 | * @return the value, 0 if not set |
| 620 | */ |
| 621 | public static float getRightIndent(AttributeSet a) { |
| 622 | Float indent = (Float) a.getAttribute(RightIndent); |
| 623 | if (indent != null) { |
| 624 | return indent.floatValue(); |
| 625 | } |
| 626 | return 0; |
| 627 | } |
| 628 | |
| 629 | /** |
| 630 | * Sets right indent. |
| 631 | * |
| 632 | * @param a the attribute set |
| 633 | * @param i the value |
| 634 | */ |
| 635 | public static void setRightIndent(MutableAttributeSet a, float i) { |
| 636 | a.addAttribute(RightIndent, new Float(i)); |
| 637 | } |
| 638 | |
| 639 | /** |
| 640 | * Gets the left indent setting. |
| 641 | * |
| 642 | * @param a the attribute set |
| 643 | * @return the value, 0 if not set |
| 644 | */ |
| 645 | public static float getLeftIndent(AttributeSet a) { |
| 646 | Float indent = (Float) a.getAttribute(LeftIndent); |
| 647 | if (indent != null) { |
| 648 | return indent.floatValue(); |
| 649 | } |
| 650 | return 0; |
| 651 | } |
| 652 | |
| 653 | /** |
| 654 | * Sets left indent. |
| 655 | * |
| 656 | * @param a the attribute set |
| 657 | * @param i the value |
| 658 | */ |
| 659 | public static void setLeftIndent(MutableAttributeSet a, float i) { |
| 660 | a.addAttribute(LeftIndent, new Float(i)); |
| 661 | } |
| 662 | |
| 663 | /** |
| 664 | * Gets the line spacing setting. |
| 665 | * |
| 666 | * @param a the attribute set |
| 667 | * @return the value, 0 if not set |
| 668 | */ |
| 669 | public static float getLineSpacing(AttributeSet a) { |
| 670 | Float space = (Float) a.getAttribute(LineSpacing); |
| 671 | if (space != null) { |
| 672 | return space.floatValue(); |
| 673 | } |
| 674 | return 0; |
| 675 | } |
| 676 | |
| 677 | /** |
| 678 | * Sets line spacing. |
| 679 | * |
| 680 | * @param a the attribute set |
| 681 | * @param i the value |
| 682 | */ |
| 683 | public static void setLineSpacing(MutableAttributeSet a, float i) { |
| 684 | a.addAttribute(LineSpacing, new Float(i)); |
| 685 | } |
| 686 | |
| 687 | /** |
| 688 | * Gets the space above setting. |
| 689 | * |
| 690 | * @param a the attribute set |
| 691 | * @return the value, 0 if not set |
| 692 | */ |
| 693 | public static float getSpaceAbove(AttributeSet a) { |
| 694 | Float space = (Float) a.getAttribute(SpaceAbove); |
| 695 | if (space != null) { |
| 696 | return space.floatValue(); |
| 697 | } |
| 698 | return 0; |
| 699 | } |
| 700 | |
| 701 | /** |
| 702 | * Sets space above. |
| 703 | * |
| 704 | * @param a the attribute set |
| 705 | * @param i the value |
| 706 | */ |
| 707 | public static void setSpaceAbove(MutableAttributeSet a, float i) { |
| 708 | a.addAttribute(SpaceAbove, new Float(i)); |
| 709 | } |
| 710 | |
| 711 | /** |
| 712 | * Gets the space below setting. |
| 713 | * |
| 714 | * @param a the attribute set |
| 715 | * @return the value, 0 if not set |
| 716 | */ |
| 717 | public static float getSpaceBelow(AttributeSet a) { |
| 718 | Float space = (Float) a.getAttribute(SpaceBelow); |
| 719 | if (space != null) { |
| 720 | return space.floatValue(); |
| 721 | } |
| 722 | return 0; |
| 723 | } |
| 724 | |
| 725 | /** |
| 726 | * Sets space below. |
| 727 | * |
| 728 | * @param a the attribute set |
| 729 | * @param i the value |
| 730 | */ |
| 731 | public static void setSpaceBelow(MutableAttributeSet a, float i) { |
| 732 | a.addAttribute(SpaceBelow, new Float(i)); |
| 733 | } |
| 734 | |
| 735 | /** |
| 736 | * Gets the alignment setting. |
| 737 | * |
| 738 | * @param a the attribute set |
| 739 | * @return the value <code>StyleConstants.ALIGN_LEFT</code> if not set |
| 740 | */ |
| 741 | public static int getAlignment(AttributeSet a) { |
| 742 | Integer align = (Integer) a.getAttribute(Alignment); |
| 743 | if (align != null) { |
| 744 | return align.intValue(); |
| 745 | } |
| 746 | return ALIGN_LEFT; |
| 747 | } |
| 748 | |
| 749 | /** |
| 750 | * Sets alignment. |
| 751 | * |
| 752 | * @param a the attribute set |
| 753 | * @param align the alignment value |
| 754 | */ |
| 755 | public static void setAlignment(MutableAttributeSet a, int align) { |
| 756 | a.addAttribute(Alignment, new Integer(align)); |
| 757 | } |
| 758 | |
| 759 | /** |
| 760 | * Gets the TabSet. |
| 761 | * |
| 762 | * @param a the attribute set |
| 763 | * @return the <code>TabSet</code> |
| 764 | */ |
| 765 | public static TabSet getTabSet(AttributeSet a) { |
| 766 | TabSet tabs = (TabSet)a.getAttribute(TabSet); |
| 767 | // PENDING: should this return a default? |
| 768 | return tabs; |
| 769 | } |
| 770 | |
| 771 | /** |
| 772 | * Sets the TabSet. |
| 773 | * |
| 774 | * @param a the attribute set. |
| 775 | * @param tabs the TabSet |
| 776 | */ |
| 777 | public static void setTabSet(MutableAttributeSet a, TabSet tabs) { |
| 778 | a.addAttribute(TabSet, tabs); |
| 779 | } |
| 780 | |
| 781 | // --- privates --------------------------------------------- |
| 782 | |
| 783 | static Object[] keys = { |
| 784 | NameAttribute, ResolveAttribute, BidiLevel, |
| 785 | FontFamily, FontSize, Bold, Italic, Underline, |
| 786 | StrikeThrough, Superscript, Subscript, Foreground, |
| 787 | Background, ComponentAttribute, IconAttribute, |
| 788 | FirstLineIndent, LeftIndent, RightIndent, LineSpacing, |
| 789 | SpaceAbove, SpaceBelow, Alignment, TabSet, Orientation, |
| 790 | ModelAttribute, ComposedTextAttribute |
| 791 | }; |
| 792 | |
| 793 | StyleConstants(String representation) { |
| 794 | this.representation = representation; |
| 795 | } |
| 796 | |
| 797 | private String representation; |
| 798 | |
| 799 | /** |
| 800 | * This is a typesafe enumeration of the <em>well-known</em> |
| 801 | * attributes that contribute to a paragraph style. These are |
| 802 | * aliased by the outer class for general presentation. |
| 803 | */ |
| 804 | public static class ParagraphConstants extends StyleConstants |
| 805 | implements AttributeSet.ParagraphAttribute { |
| 806 | |
| 807 | private ParagraphConstants(String representation) { |
| 808 | super(representation); |
| 809 | } |
| 810 | } |
| 811 | |
| 812 | /** |
| 813 | * This is a typesafe enumeration of the <em>well-known</em> |
| 814 | * attributes that contribute to a character style. These are |
| 815 | * aliased by the outer class for general presentation. |
| 816 | */ |
| 817 | public static class CharacterConstants extends StyleConstants |
| 818 | implements AttributeSet.CharacterAttribute { |
| 819 | |
| 820 | private CharacterConstants(String representation) { |
| 821 | super(representation); |
| 822 | } |
| 823 | } |
| 824 | |
| 825 | /** |
| 826 | * This is a typesafe enumeration of the <em>well-known</em> |
| 827 | * attributes that contribute to a color. These are aliased |
| 828 | * by the outer class for general presentation. |
| 829 | */ |
| 830 | public static class ColorConstants extends StyleConstants |
| 831 | implements AttributeSet.ColorAttribute, AttributeSet.CharacterAttribute { |
| 832 | |
| 833 | private ColorConstants(String representation) { |
| 834 | super(representation); |
| 835 | } |
| 836 | } |
| 837 | |
| 838 | /** |
| 839 | * This is a typesafe enumeration of the <em>well-known</em> |
| 840 | * attributes that contribute to a font. These are aliased |
| 841 | * by the outer class for general presentation. |
| 842 | */ |
| 843 | public static class FontConstants extends StyleConstants |
| 844 | implements AttributeSet.FontAttribute, AttributeSet.CharacterAttribute { |
| 845 | |
| 846 | private FontConstants(String representation) { |
| 847 | super(representation); |
| 848 | } |
| 849 | } |
| 850 | |
| 851 | |
| 852 | } |