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| 1 | /* | ||
| 2 | * Copyright (c) 1995, 2010, Oracle and/or its affiliates. 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. Oracle designates this | ||
| 8 | * particular file as subject to the "Classpath" exception as provided | ||
| 9 | * by Oracle 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | ||
| 22 | * or visit www.oracle.com if you need additional information or have any | ||
| 23 | * questions. | ||
| 24 | */ | ||
| 25 | package java.awt; | ||
| 26 | |||
| 27 | /** | ||
| 28 | * The <code>GridBagConstraints</code> class specifies constraints | ||
| 29 | * for components that are laid out using the | ||
| 30 | * <code>GridBagLayout</code> class. | ||
| 31 | * | ||
| 32 | * @author Doug Stein | ||
| 33 | * @author Bill Spitzak (orignial NeWS & OLIT implementation) | ||
| 34 | * @see java.awt.GridBagLayout | ||
| 35 | * @since JDK1.0 | ||
| 36 | */ | ||
| 37 | public class GridBagConstraints implements Cloneable, java.io.Serializable { | ||
| 38 | |||
| 39 | /** | ||
| 40 | * Specifies that this component is the next-to-last component in its | ||
| 41 | * column or row (<code>gridwidth</code>, <code>gridheight</code>), | ||
| 42 | * or that this component be placed next to the previously added | ||
| 43 | * component (<code>gridx</code>, <code>gridy</code>). | ||
| 44 | * @see java.awt.GridBagConstraints#gridwidth | ||
| 45 | * @see java.awt.GridBagConstraints#gridheight | ||
| 46 | * @see java.awt.GridBagConstraints#gridx | ||
| 47 | * @see java.awt.GridBagConstraints#gridy | ||
| 48 | */ | ||
| 49 | public static final int RELATIVE = -1; | ||
| 50 | |||
| 51 | /** | ||
| 52 | * Specifies that this component is the | ||
| 53 | * last component in its column or row. | ||
| 54 | */ | ||
| 55 | public static final int REMAINDER = 0; | ||
| 56 | |||
| 57 | /** | ||
| 58 | * Do not resize the component. | ||
| 59 | */ | ||
| 60 | public static final int NONE = 0; | ||
| 61 | |||
| 62 | /** | ||
| 63 | * Resize the component both horizontally and vertically. | ||
| 64 | */ | ||
| 65 | public static final int BOTH = 1; | ||
| 66 | |||
| 67 | /** | ||
| 68 | * Resize the component horizontally but not vertically. | ||
| 69 | */ | ||
| 70 | public static final int HORIZONTAL = 2; | ||
| 71 | |||
| 72 | /** | ||
| 73 | * Resize the component vertically but not horizontally. | ||
| 74 | */ | ||
| 75 | public static final int VERTICAL = 3; | ||
| 76 | |||
| 77 | /** | ||
| 78 | * Put the component in the center of its display area. | ||
| 79 | */ | ||
| 80 | public static final int CENTER = 10; | ||
| 81 | |||
| 82 | /** | ||
| 83 | * Put the component at the top of its display area, | ||
| 84 | * centered horizontally. | ||
| 85 | */ | ||
| 86 | public static final int NORTH = 11; | ||
| 87 | |||
| 88 | /** | ||
| 89 | * Put the component at the top-right corner of its display area. | ||
| 90 | */ | ||
| 91 | public static final int NORTHEAST = 12; | ||
| 92 | |||
| 93 | /** | ||
| 94 | * Put the component on the right side of its display area, | ||
| 95 | * centered vertically. | ||
| 96 | */ | ||
| 97 | public static final int EAST = 13; | ||
| 98 | |||
| 99 | /** | ||
| 100 | * Put the component at the bottom-right corner of its display area. | ||
| 101 | */ | ||
| 102 | public static final int SOUTHEAST = 14; | ||
| 103 | |||
| 104 | /** | ||
| 105 | * Put the component at the bottom of its display area, centered | ||
| 106 | * horizontally. | ||
| 107 | */ | ||
| 108 | public static final int SOUTH = 15; | ||
| 109 | |||
| 110 | /** | ||
| 111 | * Put the component at the bottom-left corner of its display area. | ||
| 112 | */ | ||
| 113 | public static final int SOUTHWEST = 16; | ||
| 114 | |||
| 115 | /** | ||
| 116 | * Put the component on the left side of its display area, | ||
| 117 | * centered vertically. | ||
| 118 | */ | ||
| 119 | public static final int WEST = 17; | ||
| 120 | |||
| 121 | /** | ||
| 122 | * Put the component at the top-left corner of its display area. | ||
| 123 | */ | ||
| 124 | public static final int NORTHWEST = 18; | ||
| 125 | |||
| 126 | /** | ||
| 127 | * Place the component centered along the edge of its display area | ||
| 128 | * associated with the start of a page for the current | ||
| 129 | * {@code ComponentOrientation}. Equal to NORTH for horizontal | ||
| 130 | * orientations. | ||
| 131 | */ | ||
| 132 | public static final int PAGE_START = 19; | ||
| 133 | |||
| 134 | /** | ||
| 135 | * Place the component centered along the edge of its display area | ||
| 136 | * associated with the end of a page for the current | ||
| 137 | * {@code ComponentOrientation}. Equal to SOUTH for horizontal | ||
| 138 | * orientations. | ||
| 139 | */ | ||
| 140 | public static final int PAGE_END = 20; | ||
| 141 | |||
| 142 | /** | ||
| 143 | * Place the component centered along the edge of its display area where | ||
| 144 | * lines of text would normally begin for the current | ||
| 145 | * {@code ComponentOrientation}. Equal to WEST for horizontal, | ||
| 146 | * left-to-right orientations and EAST for horizontal, right-to-left | ||
| 147 | * orientations. | ||
| 148 | */ | ||
| 149 | public static final int LINE_START = 21; | ||
| 150 | |||
| 151 | /** | ||
| 152 | * Place the component centered along the edge of its display area where | ||
| 153 | * lines of text would normally end for the current | ||
| 154 | * {@code ComponentOrientation}. Equal to EAST for horizontal, | ||
| 155 | * left-to-right orientations and WEST for horizontal, right-to-left | ||
| 156 | * orientations. | ||
| 157 | */ | ||
| 158 | public static final int LINE_END = 22; | ||
| 159 | |||
| 160 | /** | ||
| 161 | * Place the component in the corner of its display area where | ||
| 162 | * the first line of text on a page would normally begin for the current | ||
| 163 | * {@code ComponentOrientation}. Equal to NORTHWEST for horizontal, | ||
| 164 | * left-to-right orientations and NORTHEAST for horizontal, right-to-left | ||
| 165 | * orientations. | ||
| 166 | */ | ||
| 167 | public static final int FIRST_LINE_START = 23; | ||
| 168 | |||
| 169 | /** | ||
| 170 | * Place the component in the corner of its display area where | ||
| 171 | * the first line of text on a page would normally end for the current | ||
| 172 | * {@code ComponentOrientation}. Equal to NORTHEAST for horizontal, | ||
| 173 | * left-to-right orientations and NORTHWEST for horizontal, right-to-left | ||
| 174 | * orientations. | ||
| 175 | */ | ||
| 176 | public static final int FIRST_LINE_END = 24; | ||
| 177 | |||
| 178 | /** | ||
| 179 | * Place the component in the corner of its display area where | ||
| 180 | * the last line of text on a page would normally start for the current | ||
| 181 | * {@code ComponentOrientation}. Equal to SOUTHWEST for horizontal, | ||
| 182 | * left-to-right orientations and SOUTHEAST for horizontal, right-to-left | ||
| 183 | * orientations. | ||
| 184 | */ | ||
| 185 | public static final int LAST_LINE_START = 25; | ||
| 186 | |||
| 187 | /** | ||
| 188 | * Place the component in the corner of its display area where | ||
| 189 | * the last line of text on a page would normally end for the current | ||
| 190 | * {@code ComponentOrientation}. Equal to SOUTHEAST for horizontal, | ||
| 191 | * left-to-right orientations and SOUTHWEST for horizontal, right-to-left | ||
| 192 | * orientations. | ||
| 193 | */ | ||
| 194 | public static final int LAST_LINE_END = 26; | ||
| 195 | |||
| 196 | /** | ||
| 197 | * Possible value for the <code>anchor</code> field. Specifies | ||
| 198 | * that the component should be horizontally centered and | ||
| 199 | * vertically aligned along the baseline of the prevailing row. | ||
| 200 | * If the component does not have a baseline it will be vertically | ||
| 201 | * centered. | ||
| 202 | * | ||
| 203 | * @since 1.6 | ||
| 204 | */ | ||
| 205 | public static final int BASELINE = 0x100; | ||
| 206 | |||
| 207 | /** | ||
| 208 | * Possible value for the <code>anchor</code> field. Specifies | ||
| 209 | * that the component should be horizontally placed along the | ||
| 210 | * leading edge. For components with a left-to-right orientation, | ||
| 211 | * the leading edge is the left edge. Vertically the component is | ||
| 212 | * aligned along the baseline of the prevailing row. If the | ||
| 213 | * component does not have a baseline it will be vertically | ||
| 214 | * centered. | ||
| 215 | * | ||
| 216 | * @since 1.6 | ||
| 217 | */ | ||
| 218 | public static final int BASELINE_LEADING = 0x200; | ||
| 219 | |||
| 220 | /** | ||
| 221 | * Possible value for the <code>anchor</code> field. Specifies | ||
| 222 | * that the component should be horizontally placed along the | ||
| 223 | * trailing edge. For components with a left-to-right | ||
| 224 | * orientation, the trailing edge is the right edge. Vertically | ||
| 225 | * the component is aligned along the baseline of the prevailing | ||
| 226 | * row. If the component does not have a baseline it will be | ||
| 227 | * vertically centered. | ||
| 228 | * | ||
| 229 | * @since 1.6 | ||
| 230 | */ | ||
| 231 | public static final int BASELINE_TRAILING = 0x300; | ||
| 232 | |||
| 233 | /** | ||
| 234 | * Possible value for the <code>anchor</code> field. Specifies | ||
| 235 | * that the component should be horizontally centered. Vertically | ||
| 236 | * the component is positioned so that its bottom edge touches | ||
| 237 | * the baseline of the starting row. If the starting row does not | ||
| 238 | * have a baseline it will be vertically centered. | ||
| 239 | * | ||
| 240 | * @since 1.6 | ||
| 241 | */ | ||
| 242 | public static final int ABOVE_BASELINE = 0x400; | ||
| 243 | |||
| 244 | /** | ||
| 245 | * Possible value for the <code>anchor</code> field. Specifies | ||
| 246 | * that the component should be horizontally placed along the | ||
| 247 | * leading edge. For components with a left-to-right orientation, | ||
| 248 | * the leading edge is the left edge. Vertically the component is | ||
| 249 | * positioned so that its bottom edge touches the baseline of the | ||
| 250 | * starting row. If the starting row does not have a baseline it | ||
| 251 | * will be vertically centered. | ||
| 252 | * | ||
| 253 | * @since 1.6 | ||
| 254 | */ | ||
| 255 | public static final int ABOVE_BASELINE_LEADING = 0x500; | ||
| 256 | |||
| 257 | /** | ||
| 258 | * Possible value for the <code>anchor</code> field. Specifies | ||
| 259 | * that the component should be horizontally placed along the | ||
| 260 | * trailing edge. For components with a left-to-right | ||
| 261 | * orientation, the trailing edge is the right edge. Vertically | ||
| 262 | * the component is positioned so that its bottom edge touches | ||
| 263 | * the baseline of the starting row. If the starting row does not | ||
| 264 | * have a baseline it will be vertically centered. | ||
| 265 | * | ||
| 266 | * @since 1.6 | ||
| 267 | */ | ||
| 268 | public static final int ABOVE_BASELINE_TRAILING = 0x600; | ||
| 269 | |||
| 270 | /** | ||
| 271 | * Possible value for the <code>anchor</code> field. Specifies | ||
| 272 | * that the component should be horizontally centered. Vertically | ||
| 273 | * the component is positioned so that its top edge touches the | ||
| 274 | * baseline of the starting row. If the starting row does not | ||
| 275 | * have a baseline it will be vertically centered. | ||
| 276 | * | ||
| 277 | * @since 1.6 | ||
| 278 | */ | ||
| 279 | public static final int BELOW_BASELINE = 0x700; | ||
| 280 | |||
| 281 | /** | ||
| 282 | * Possible value for the <code>anchor</code> field. Specifies | ||
| 283 | * that the component should be horizontally placed along the | ||
| 284 | * leading edge. For components with a left-to-right orientation, | ||
| 285 | * the leading edge is the left edge. Vertically the component is | ||
| 286 | * positioned so that its top edge touches the baseline of the | ||
| 287 | * starting row. If the starting row does not have a baseline it | ||
| 288 | * will be vertically centered. | ||
| 289 | * | ||
| 290 | * @since 1.6 | ||
| 291 | */ | ||
| 292 | public static final int BELOW_BASELINE_LEADING = 0x800; | ||
| 293 | |||
| 294 | /** | ||
| 295 | * Possible value for the <code>anchor</code> field. Specifies | ||
| 296 | * that the component should be horizontally placed along the | ||
| 297 | * trailing edge. For components with a left-to-right | ||
| 298 | * orientation, the trailing edge is the right edge. Vertically | ||
| 299 | * the component is positioned so that its top edge touches the | ||
| 300 | * baseline of the starting row. If the starting row does not | ||
| 301 | * have a baseline it will be vertically centered. | ||
| 302 | * | ||
| 303 | * @since 1.6 | ||
| 304 | */ | ||
| 305 | public static final int BELOW_BASELINE_TRAILING = 0x900; | ||
| 306 | |||
| 307 | /** | ||
| 308 | * Specifies the cell containing the leading edge of the component's | ||
| 309 | * display area, where the first cell in a row has <code>gridx=0</code>. | ||
| 310 | * The leading edge of a component's display area is its left edge for | ||
| 311 | * a horizontal, left-to-right container and its right edge for a | ||
| 312 | * horizontal, right-to-left container. | ||
| 313 | * The value | ||
| 314 | * <code>RELATIVE</code> specifies that the component be placed | ||
| 315 | * immediately following the component that was added to the container | ||
| 316 | * just before this component was added. | ||
| 317 | * <p> | ||
| 318 | * The default value is <code>RELATIVE</code>. | ||
| 319 | * <code>gridx</code> should be a non-negative value. | ||
| 320 | * @serial | ||
| 321 | * @see #clone() | ||
| 322 | * @see java.awt.GridBagConstraints#gridy | ||
| 323 | * @see java.awt.ComponentOrientation | ||
| 324 | */ | ||
| 325 | public int gridx; | ||
| 326 | |||
| 327 | /** | ||
| 328 | * Specifies the cell at the top of the component's display area, | ||
| 329 | * where the topmost cell has <code>gridy=0</code>. The value | ||
| 330 | * <code>RELATIVE</code> specifies that the component be placed just | ||
| 331 | * below the component that was added to the container just before | ||
| 332 | * this component was added. | ||
| 333 | * <p> | ||
| 334 | * The default value is <code>RELATIVE</code>. | ||
| 335 | * <code>gridy</code> should be a non-negative value. | ||
| 336 | * @serial | ||
| 337 | * @see #clone() | ||
| 338 | * @see java.awt.GridBagConstraints#gridx | ||
| 339 | */ | ||
| 340 | public int gridy; | ||
| 341 | |||
| 342 | /** | ||
| 343 | * Specifies the number of cells in a row for the component's | ||
| 344 | * display area. | ||
| 345 | * <p> | ||
| 346 | * Use <code>REMAINDER</code> to specify that the component's | ||
| 347 | * display area will be from <code>gridx</code> to the last | ||
| 348 | * cell in the row. | ||
| 349 | * Use <code>RELATIVE</code> to specify that the component's | ||
| 350 | * display area will be from <code>gridx</code> to the next | ||
| 351 | * to the last one in its row. | ||
| 352 | * <p> | ||
| 353 | * <code>gridwidth</code> should be non-negative and the default | ||
| 354 | * value is 1. | ||
| 355 | * @serial | ||
| 356 | * @see #clone() | ||
| 357 | * @see java.awt.GridBagConstraints#gridheight | ||
| 358 | */ | ||
| 359 | public int gridwidth; | ||
| 360 | |||
| 361 | /** | ||
| 362 | * Specifies the number of cells in a column for the component's | ||
| 363 | * display area. | ||
| 364 | * <p> | ||
| 365 | * Use <code>REMAINDER</code> to specify that the component's | ||
| 366 | * display area will be from <code>gridy</code> to the last | ||
| 367 | * cell in the column. | ||
| 368 | * Use <code>RELATIVE</code> to specify that the component's | ||
| 369 | * display area will be from <code>gridy</code> to the next | ||
| 370 | * to the last one in its column. | ||
| 371 | * <p> | ||
| 372 | * <code>gridheight</code> should be a non-negative value and the | ||
| 373 | * default value is 1. | ||
| 374 | * @serial | ||
| 375 | * @see #clone() | ||
| 376 | * @see java.awt.GridBagConstraints#gridwidth | ||
| 377 | */ | ||
| 378 | public int gridheight; | ||
| 379 | |||
| 380 | /** | ||
| 381 | * Specifies how to distribute extra horizontal space. | ||
| 382 | * <p> | ||
| 383 | * The grid bag layout manager calculates the weight of a column to | ||
| 384 | * be the maximum <code>weightx</code> of all the components in a | ||
| 385 | * column. If the resulting layout is smaller horizontally than the area | ||
| 386 | * it needs to fill, the extra space is distributed to each column in | ||
| 387 | * proportion to its weight. A column that has a weight of zero receives | ||
| 388 | * no extra space. | ||
| 389 | * <p> | ||
| 390 | * If all the weights are zero, all the extra space appears between | ||
| 391 | * the grids of the cell and the left and right edges. | ||
| 392 | * <p> | ||
| 393 | * The default value of this field is <code>0</code>. | ||
| 394 | * <code>weightx</code> should be a non-negative value. | ||
| 395 | * @serial | ||
| 396 | * @see #clone() | ||
| 397 | * @see java.awt.GridBagConstraints#weighty | ||
| 398 | */ | ||
| 399 | public double weightx; | ||
| 400 | |||
| 401 | /** | ||
| 402 | * Specifies how to distribute extra vertical space. | ||
| 403 | * <p> | ||
| 404 | * The grid bag layout manager calculates the weight of a row to be | ||
| 405 | * the maximum <code>weighty</code> of all the components in a row. | ||
| 406 | * If the resulting layout is smaller vertically than the area it | ||
| 407 | * needs to fill, the extra space is distributed to each row in | ||
| 408 | * proportion to its weight. A row that has a weight of zero receives no | ||
| 409 | * extra space. | ||
| 410 | * <p> | ||
| 411 | * If all the weights are zero, all the extra space appears between | ||
| 412 | * the grids of the cell and the top and bottom edges. | ||
| 413 | * <p> | ||
| 414 | * The default value of this field is <code>0</code>. | ||
| 415 | * <code>weighty</code> should be a non-negative value. | ||
| 416 | * @serial | ||
| 417 | * @see #clone() | ||
| 418 | * @see java.awt.GridBagConstraints#weightx | ||
| 419 | */ | ||
| 420 | public double weighty; | ||
| 421 | |||
| 422 | /** | ||
| 423 | * This field is used when the component is smaller than its | ||
| 424 | * display area. It determines where, within the display area, to | ||
| 425 | * place the component. | ||
| 426 | * <p> There are three kinds of possible values: orientation | ||
| 427 | * relative, baseline relative and absolute. Orientation relative | ||
| 428 | * values are interpreted relative to the container's component | ||
| 429 | * orientation property, baseline relative values are interpreted | ||
| 430 | * relative to the baseline and absolute values are not. The | ||
| 431 | * absolute values are: | ||
| 432 | * <code>CENTER</code>, <code>NORTH</code>, <code>NORTHEAST</code>, | ||
| 433 | * <code>EAST</code>, <code>SOUTHEAST</code>, <code>SOUTH</code>, | ||
| 434 | * <code>SOUTHWEST</code>, <code>WEST</code>, and <code>NORTHWEST</code>. | ||
| 435 | * The orientation relative values are: <code>PAGE_START</code>, | ||
| 436 | * <code>PAGE_END</code>, | ||
| 437 | * <code>LINE_START</code>, <code>LINE_END</code>, | ||
| 438 | * <code>FIRST_LINE_START</code>, <code>FIRST_LINE_END</code>, | ||
| 439 | * <code>LAST_LINE_START</code> and <code>LAST_LINE_END</code>. The | ||
| 440 | * baseline relative values are: | ||
| 441 | * <code>BASELINE</code>, <code>BASELINE_LEADING</code>, | ||
| 442 | * <code>BASELINE_TRAILING</code>, | ||
| 443 | * <code>ABOVE_BASELINE</code>, <code>ABOVE_BASELINE_LEADING</code>, | ||
| 444 | * <code>ABOVE_BASELINE_TRAILING</code>, | ||
| 445 | * <code>BELOW_BASELINE</code>, <code>BELOW_BASELINE_LEADING</code>, | ||
| 446 | * and <code>BELOW_BASELINE_TRAILING</code>. | ||
| 447 | * The default value is <code>CENTER</code>. | ||
| 448 | * @serial | ||
| 449 | * @see #clone() | ||
| 450 | * @see java.awt.ComponentOrientation | ||
| 451 | */ | ||
| 452 | public int anchor; | ||
| 453 | |||
| 454 | /** | ||
| 455 | * This field is used when the component's display area is larger | ||
| 456 | * than the component's requested size. It determines whether to | ||
| 457 | * resize the component, and if so, how. | ||
| 458 | * <p> | ||
| 459 | * The following values are valid for <code>fill</code>: | ||
| 460 | * <p> | ||
| 461 | * <ul> | ||
| 462 | * <li> | ||
| 463 | * <code>NONE</code>: Do not resize the component. | ||
| 464 | * <li> | ||
| 465 | * <code>HORIZONTAL</code>: Make the component wide enough to fill | ||
| 466 | * its display area horizontally, but do not change its height. | ||
| 467 | * <li> | ||
| 468 | * <code>VERTICAL</code>: Make the component tall enough to fill its | ||
| 469 | * display area vertically, but do not change its width. | ||
| 470 | * <li> | ||
| 471 | * <code>BOTH</code>: Make the component fill its display area | ||
| 472 | * entirely. | ||
| 473 | * </ul> | ||
| 474 | * <p> | ||
| 475 | * The default value is <code>NONE</code>. | ||
| 476 | * @serial | ||
| 477 | * @see #clone() | ||
| 478 | */ | ||
| 479 | public int fill; | ||
| 480 | |||
| 481 | /** | ||
| 482 | * This field specifies the external padding of the component, the | ||
| 483 | * minimum amount of space between the component and the edges of its | ||
| 484 | * display area. | ||
| 485 | * <p> | ||
| 486 | * The default value is <code>new Insets(0, 0, 0, 0)</code>. | ||
| 487 | * @serial | ||
| 488 | * @see #clone() | ||
| 489 | */ | ||
| 490 | public Insets insets; | ||
| 491 | |||
| 492 | /** | ||
| 493 | * This field specifies the internal padding of the component, how much | ||
| 494 | * space to add to the minimum width of the component. The width of | ||
| 495 | * the component is at least its minimum width plus | ||
| 496 | * <code>ipadx</code> pixels. | ||
| 497 | * <p> | ||
| 498 | * The default value is <code>0</code>. | ||
| 499 | * @serial | ||
| 500 | * @see #clone() | ||
| 501 | * @see java.awt.GridBagConstraints#ipady | ||
| 502 | */ | ||
| 503 | public int ipadx; | ||
| 504 | |||
| 505 | /** | ||
| 506 | * This field specifies the internal padding, that is, how much | ||
| 507 | * space to add to the minimum height of the component. The height of | ||
| 508 | * the component is at least its minimum height plus | ||
| 509 | * <code>ipady</code> pixels. | ||
| 510 | * <p> | ||
| 511 | * The default value is 0. | ||
| 512 | * @serial | ||
| 513 | * @see #clone() | ||
| 514 | * @see java.awt.GridBagConstraints#ipadx | ||
| 515 | */ | ||
| 516 | public int ipady; | ||
| 517 | |||
| 518 | /** | ||
| 519 | * Temporary place holder for the x coordinate. | ||
| 520 | * @serial | ||
| 521 | */ | ||
| 522 | int tempX; | ||
| 523 | /** | ||
| 524 | * Temporary place holder for the y coordinate. | ||
| 525 | * @serial | ||
| 526 | */ | ||
| 527 | int tempY; | ||
| 528 | /** | ||
| 529 | * Temporary place holder for the Width of the component. | ||
| 530 | * @serial | ||
| 531 | */ | ||
| 532 | int tempWidth; | ||
| 533 | /** | ||
| 534 | * Temporary place holder for the Height of the component. | ||
| 535 | * @serial | ||
| 536 | */ | ||
| 537 | int tempHeight; | ||
| 538 | /** | ||
| 539 | * The minimum width of the component. It is used to calculate | ||
| 540 | * <code>ipady</code>, where the default will be 0. | ||
| 541 | * @serial | ||
| 542 | * @see #ipady | ||
| 543 | */ | ||
| 544 | int minWidth; | ||
| 545 | /** | ||
| 546 | * The minimum height of the component. It is used to calculate | ||
| 547 | * <code>ipadx</code>, where the default will be 0. | ||
| 548 | * @serial | ||
| 549 | * @see #ipadx | ||
| 550 | */ | ||
| 551 | int minHeight; | ||
| 552 | |||
| 553 | // The following fields are only used if the anchor is | ||
| 554 | // one of BASELINE, BASELINE_LEADING or BASELINE_TRAILING. | ||
| 555 | // ascent and descent include the insets and ipady values. | ||
| 556 | transient int ascent; | ||
| 557 | transient int descent; | ||
| 558 | transient Component.BaselineResizeBehavior baselineResizeBehavior; | ||
| 559 | // The folllowing two fields are used if the baseline type is | ||
| 560 | // CENTER_OFFSET. | ||
| 561 | // centerPadding is either 0 or 1 and indicates if | ||
| 562 | // the height needs to be padded by one when calculating where the | ||
| 563 | // baseline lands | ||
| 564 | transient int centerPadding; | ||
| 565 | // Where the baseline lands relative to the center of the component. | ||
| 566 | transient int centerOffset; | ||
| 567 | |||
| 568 | /* | ||
| 569 | * JDK 1.1 serialVersionUID | ||
| 570 | */ | ||
| 571 | private static final long serialVersionUID = -1000070633030801713L; | ||
| 572 | |||
| 573 | /** | ||
| 574 | * Creates a <code>GridBagConstraint</code> object with | ||
| 575 | * all of its fields set to their default value. | ||
| 576 | */ | ||
| 577 | public GridBagConstraints () { | ||
| 578 | gridx = RELATIVE; | ||
| 579 | gridy = RELATIVE; | ||
| 580 | gridwidth = 1; | ||
| 581 | gridheight = 1; | ||
| 582 | |||
| 583 | weightx = 0; | ||
| 584 | weighty = 0; | ||
| 585 | anchor = CENTER; | ||
| 586 | fill = NONE; | ||
| 587 | |||
| 588 | insets = new Insets(0, 0, 0, 0); | ||
| 589 | ipadx = 0; | ||
| 590 | ipady = 0; | ||
| 591 | } | ||
| 592 | |||
| 593 | /** | ||
| 594 | * Creates a <code>GridBagConstraints</code> object with | ||
| 595 | * all of its fields set to the passed-in arguments. | ||
| 596 | * | ||
| 597 | * Note: Because the use of this constructor hinders readability | ||
| 598 | * of source code, this constructor should only be used by | ||
| 599 | * automatic source code generation tools. | ||
| 600 | * | ||
| 601 | * @param gridx The initial gridx value. | ||
| 602 | * @param gridy The initial gridy value. | ||
| 603 | * @param gridwidth The initial gridwidth value. | ||
| 604 | * @param gridheight The initial gridheight value. | ||
| 605 | * @param weightx The initial weightx value. | ||
| 606 | * @param weighty The initial weighty value. | ||
| 607 | * @param anchor The initial anchor value. | ||
| 608 | * @param fill The initial fill value. | ||
| 609 | * @param insets The initial insets value. | ||
| 610 | * @param ipadx The initial ipadx value. | ||
| 611 | * @param ipady The initial ipady value. | ||
| 612 | * | ||
| 613 | * @see java.awt.GridBagConstraints#gridx | ||
| 614 | * @see java.awt.GridBagConstraints#gridy | ||
| 615 | * @see java.awt.GridBagConstraints#gridwidth | ||
| 616 | * @see java.awt.GridBagConstraints#gridheight | ||
| 617 | * @see java.awt.GridBagConstraints#weightx | ||
| 618 | * @see java.awt.GridBagConstraints#weighty | ||
| 619 | * @see java.awt.GridBagConstraints#anchor | ||
| 620 | * @see java.awt.GridBagConstraints#fill | ||
| 621 | * @see java.awt.GridBagConstraints#insets | ||
| 622 | * @see java.awt.GridBagConstraints#ipadx | ||
| 623 | * @see java.awt.GridBagConstraints#ipady | ||
| 624 | * | ||
| 625 | * @since 1.2 | ||
| 626 | */ | ||
| 627 | public GridBagConstraints(int gridx, int gridy, | ||
| 628 | int gridwidth, int gridheight, | ||
| 629 | double weightx, double weighty, | ||
| 630 | int anchor, int fill, | ||
| 631 | Insets insets, int ipadx, int ipady) { | ||
| 632 | this.gridx = gridx; | ||
| 633 | this.gridy = gridy; | ||
| 634 | this.gridwidth = gridwidth; | ||
| 635 | this.gridheight = gridheight; | ||
| 636 | this.fill = fill; | ||
| 637 | this.ipadx = ipadx; | ||
| 638 | this.ipady = ipady; | ||
| 639 | this.insets = insets; | ||
| 640 | this.anchor = anchor; | ||
| 641 | this.weightx = weightx; | ||
| 642 | this.weighty = weighty; | ||
| 643 | } | ||
| 644 | |||
| 645 | /** | ||
| 646 | * Creates a copy of this grid bag constraint. | ||
| 647 | * @return a copy of this grid bag constraint | ||
| 648 | */ | ||
| 649 | public Object clone () { | ||
| 650 | try { | ||
| 651 | GridBagConstraints c = (GridBagConstraints)super.clone(); | ||
| 652 | c.insets = (Insets)insets.clone(); | ||
| 653 | return c; | ||
| 654 | } catch (CloneNotSupportedException e) { | ||
| 655 | // this shouldn't happen, since we are Cloneable | ||
| 656 | throw new InternalError(); | ||
| 657 | } | ||
| 658 | } | ||
| 659 | |||
| 660 | boolean isVerticallyResizable() { | ||
| 661 | return (fill == BOTH || fill == VERTICAL); | ||
| 662 | } | ||
| 663 | } | ||