Mercurial > projects > dwt-win
annotate dwt/custom/TableTreeItem.d @ 213:36f5cb12e1a2
Update to SWT 3.4M7
| author | Frank Benoit <benoit@tionex.de> |
|---|---|
| date | Sat, 17 May 2008 17:34:28 +0200 |
| parents | ab60f3309436 |
| children | a59d51c12b42 |
| rev | line source |
|---|---|
| 155 | 1 /******************************************************************************* |
| 2 * Copyright (c) 2000, 2007 IBM Corporation and others. | |
| 3 * All rights reserved. This program and the accompanying materials | |
| 4 * are made available under the terms of the Eclipse Public License v1.0 | |
| 5 * which accompanies this distribution, and is available at | |
| 6 * http://www.eclipse.org/legal/epl-v10.html | |
| 7 * | |
| 8 * Contributors: | |
| 9 * IBM Corporation - initial API and implementation | |
| 10 * Port to the D programming language: | |
| 11 * Frank Benoit <benoit@tionex.de> | |
| 12 *******************************************************************************/ | |
| 13 module dwt.custom.TableTreeItem; | |
| 14 | |
| 15 | |
| 16 | |
| 17 import dwt.DWT; | |
| 18 import dwt.DWTException; | |
| 19 import dwt.graphics.Color; | |
| 20 import dwt.graphics.Font; | |
| 21 import dwt.graphics.GC; | |
| 22 import dwt.graphics.Image; | |
| 23 import dwt.graphics.Rectangle; | |
| 24 import dwt.widgets.Event; | |
| 25 import dwt.widgets.Item; | |
| 26 import dwt.widgets.Table; | |
| 27 import dwt.widgets.TableItem; | |
| 28 import dwt.widgets.Widget; | |
| 29 import dwt.custom.TableTree; | |
| 30 import dwt.dwthelper.utils; | |
| 31 | |
| 32 | |
| 33 /** | |
| 34 * A TableTreeItem is a selectable user interface object | |
| 35 * that represents an item in a hierarchy of items in a | |
| 36 * TableTree. | |
| 37 * | |
| 38 * @deprecated As of 3.1 use Tree, TreeItem and TreeColumn | |
| 39 */ | |
| 40 public class TableTreeItem : Item { | |
| 41 TableItem tableItem; | |
| 42 TableTree parent; | |
| 43 TableTreeItem parentItem; | |
| 44 TableTreeItem [] items; | |
|
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|
45 String[] texts; |
| 155 | 46 Image[] images; |
| 47 Color background; | |
| 48 Color foreground; | |
| 49 Font font; | |
| 50 bool expanded; | |
| 51 bool checked; | |
| 52 bool grayed; | |
| 53 | |
| 54 /** | |
| 55 * Constructs a new instance of this class given its parent | |
| 56 * (which must be a <code>TableTree</code>) | |
| 57 * and a style value describing its behavior and appearance. | |
| 58 * The item is added to the end of the items maintained by its parent. | |
| 59 * <p> | |
| 60 * The style value is either one of the style constants defined in | |
| 61 * class <code>DWT</code> which is applicable to instances of this | |
| 62 * class, or must be built by <em>bitwise OR</em>'ing together | |
| 63 * (that is, using the <code>int</code> "|" operator) two or more | |
| 64 * of those <code>DWT</code> style constants. The class description | |
| 65 * lists the style constants that are applicable to the class. | |
| 66 * Style bits are also inherited from superclasses. | |
| 67 * </p> | |
| 68 * | |
| 69 * @param parent a composite control which will be the parent of the new instance (cannot be null) | |
| 70 * @param style the style of control to construct | |
| 71 * | |
| 72 * @exception IllegalArgumentException <ul> | |
| 73 * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> | |
| 74 * </ul> | |
| 75 * @exception DWTException <ul> | |
| 76 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> | |
| 77 * </ul> | |
| 78 * | |
| 79 * @see DWT | |
| 80 * @see Widget#getStyle() | |
| 81 */ | |
| 82 public this(TableTree parent, int style) { | |
| 83 this (parent, style, parent.getItemCount()); | |
| 84 } | |
| 85 | |
| 86 /** | |
| 87 * Constructs a new instance of this class given its parent | |
| 88 * (which must be a <code>TableTree</code>, | |
| 89 * a style value describing its behavior and appearance, and the index | |
| 90 * at which to place it in the items maintained by its parent. | |
| 91 * <p> | |
| 92 * The style value is either one of the style constants defined in | |
| 93 * class <code>DWT</code> which is applicable to instances of this | |
| 94 * class, or must be built by <em>bitwise OR</em>'ing together | |
| 95 * (that is, using the <code>int</code> "|" operator) two or more | |
| 96 * of those <code>DWT</code> style constants. The class description | |
| 97 * lists the style constants that are applicable to the class. | |
| 98 * Style bits are also inherited from superclasses. | |
| 99 * </p> | |
| 100 * | |
| 101 * @param parent a composite control which will be the parent of the new instance (cannot be null) | |
| 102 * @param style the style of control to construct | |
| 103 * @param index the index to store the receiver in its parent | |
| 104 * | |
| 105 * @exception IllegalArgumentException <ul> | |
| 106 * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> | |
| 107 * </ul> | |
| 108 * @exception DWTException <ul> | |
| 109 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> | |
| 110 * </ul> | |
| 111 * | |
| 112 * @see DWT | |
| 113 * @see Widget#getStyle() | |
| 114 */ | |
| 115 public this(TableTree parent, int style, int index) { | |
| 116 this (parent, null, style, index); | |
| 117 } | |
| 118 | |
| 119 /** | |
| 120 * Constructs a new instance of this class given its parent | |
| 121 * (which must be a <code>TableTreeItem</code>) | |
| 122 * and a style value describing its behavior and appearance. | |
| 123 * The item is added to the end of the items maintained by its parent. | |
| 124 * <p> | |
| 125 * The style value is either one of the style constants defined in | |
| 126 * class <code>DWT</code> which is applicable to instances of this | |
| 127 * class, or must be built by <em>bitwise OR</em>'ing together | |
| 128 * (that is, using the <code>int</code> "|" operator) two or more | |
| 129 * of those <code>DWT</code> style constants. The class description | |
| 130 * lists the style constants that are applicable to the class. | |
| 131 * Style bits are also inherited from superclasses. | |
| 132 * </p> | |
| 133 * | |
| 134 * @param parent a composite control which will be the parent of the new instance (cannot be null) | |
| 135 * @param style the style of control to construct | |
| 136 * | |
| 137 * @exception IllegalArgumentException <ul> | |
| 138 * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> | |
| 139 * </ul> | |
| 140 * @exception DWTException <ul> | |
| 141 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> | |
| 142 * </ul> | |
| 143 * | |
| 144 * @see DWT | |
| 145 * @see Widget#getStyle() | |
| 146 */ | |
| 147 public this(TableTreeItem parent, int style) { | |
| 148 this (parent, style, parent.getItemCount()); | |
| 149 } | |
| 150 | |
| 151 /** | |
| 152 * Constructs a new instance of this class given its parent | |
| 153 * (which must be a <code>TableTreeItem</code>), | |
| 154 * a style value describing its behavior and appearance, and the index | |
| 155 * at which to place it in the items maintained by its parent. | |
| 156 * <p> | |
| 157 * The style value is either one of the style constants defined in | |
| 158 * class <code>DWT</code> which is applicable to instances of this | |
| 159 * class, or must be built by <em>bitwise OR</em>'ing together | |
| 160 * (that is, using the <code>int</code> "|" operator) two or more | |
| 161 * of those <code>DWT</code> style constants. The class description | |
| 162 * lists the style constants that are applicable to the class. | |
| 163 * Style bits are also inherited from superclasses. | |
| 164 * </p> | |
| 165 * | |
| 166 * @param parent a composite control which will be the parent of the new instance (cannot be null) | |
| 167 * @param style the style of control to construct | |
| 168 * @param index the index to store the receiver in its parent | |
| 169 * | |
| 170 * @exception IllegalArgumentException <ul> | |
| 171 * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> | |
| 172 * </ul> | |
| 173 * @exception DWTException <ul> | |
| 174 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> | |
| 175 * </ul> | |
| 176 * | |
| 177 * @see DWT | |
| 178 * @see Widget#getStyle() | |
| 179 */ | |
| 180 public this(TableTreeItem parent, int style, int index) { | |
| 181 this (parent.getParent(), parent, style, index); | |
| 182 } | |
| 183 | |
| 184 this(TableTree parent, TableTreeItem parentItem, int style, int index) { | |
| 185 | |
| 186 items = TableTree.EMPTY_ITEMS; | |
| 187 texts = TableTree.EMPTY_TEXTS; | |
| 188 images = TableTree.EMPTY_IMAGES; | |
| 189 | |
| 190 super(parent, style); | |
| 191 this.parent = parent; | |
| 192 this.parentItem = parentItem; | |
| 193 if (parentItem is null) { | |
| 194 | |
| 195 /* Root items are visible immediately */ | |
| 196 int tableIndex = parent.addItem(this, index); | |
| 197 tableItem = new TableItem(parent.getTable(), style, tableIndex); | |
| 198 tableItem.setData(TableTree.ITEMID, this); | |
| 199 addCheck(); | |
| 200 /* | |
| 201 * Feature in the Table. The table uses the first image that | |
| 202 * is inserted into the table to size the table rows. If the | |
| 203 * user is allowed to insert the first image, this will cause | |
| 204 * the +/- images to be scaled. The fix is to insert a dummy | |
| 205 * image to force the size. | |
| 206 */ | |
| 207 if (parent.sizeImage is null) { | |
| 208 int itemHeight = parent.getItemHeight(); | |
| 213 | 209 parent.sizeImage = new Image(parent.getDisplay(), itemHeight, itemHeight); |
| 155 | 210 GC gc = new GC (parent.sizeImage); |
| 211 gc.setBackground(parent.getBackground()); | |
| 212 gc.fillRectangle(0, 0, itemHeight, itemHeight); | |
| 213 gc.dispose(); | |
| 214 tableItem.setImage(0, parent.sizeImage); | |
| 215 } | |
| 216 } else { | |
| 217 parentItem.addItem(this, index); | |
| 218 } | |
| 219 } | |
| 220 void addCheck() { | |
| 221 Table table = parent.getTable(); | |
| 222 if ((table.getStyle() & DWT.CHECK) is 0) return; | |
| 223 tableItem.setChecked(checked); | |
| 224 tableItem.setGrayed(grayed); | |
| 225 } | |
| 226 void addItem(TableTreeItem item, int index) { | |
| 227 if (item is null) DWT.error(DWT.ERROR_NULL_ARGUMENT); | |
| 228 if (index < 0 || index > items.length) DWT.error(DWT.ERROR_INVALID_ARGUMENT); | |
| 229 | |
| 230 /* Now that item has a sub-node it must indicate that it can be expanded */ | |
| 231 if (items.length is 0 && index is 0) { | |
| 232 if (tableItem !is null) { | |
| 233 Image image = expanded ? parent.getMinusImage() : parent.getPlusImage(); | |
| 234 tableItem.setImage(0, image); | |
| 235 } | |
| 236 } | |
| 237 | |
| 238 /* Put the item in the items list */ | |
| 239 TableTreeItem[] newItems = new TableTreeItem[items.length + 1]; | |
| 240 System.arraycopy(items, 0, newItems, 0, index); | |
| 241 newItems[index] = item; | |
| 242 System.arraycopy(items, index, newItems, index + 1, items.length - index); | |
| 243 items = newItems; | |
| 244 if (expanded) item.setVisible(true); | |
| 245 } | |
| 246 | |
| 247 /** | |
| 248 * Returns the receiver's background color. | |
| 249 * | |
| 250 * @return the background color | |
| 251 * | |
| 252 * @exception DWTException <ul> | |
| 253 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 254 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 255 * </ul> | |
| 256 * | |
| 257 * @since 2.0 | |
| 258 * | |
| 259 */ | |
| 260 public Color getBackground () { | |
| 261 checkWidget (); | |
| 262 return (background is null) ? parent.getBackground() : background; | |
| 263 } | |
| 264 | |
| 265 /** | |
| 266 * Returns a rectangle describing the receiver's size and location | |
| 267 * relative to its parent. | |
| 268 * | |
| 269 * @return the receiver's bounding rectangle | |
| 270 * | |
| 271 * @exception DWTException <ul> | |
| 272 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 273 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 274 * </ul> | |
| 275 */ | |
| 276 public Rectangle getBounds (int index) { | |
| 277 checkWidget(); | |
| 278 if (tableItem !is null) { | |
| 279 return tableItem.getBounds(index); | |
| 280 } else { | |
| 281 return new Rectangle(0, 0, 0, 0); | |
| 282 } | |
| 283 } | |
| 284 /** | |
| 285 * Returns <code>true</code> if the receiver is checked, | |
| 286 * and false otherwise. When the parent does not have | |
| 287 * the <code>CHECK style, return false. | |
| 288 * | |
| 289 * @return the checked state of the checkbox | |
| 290 * | |
| 291 * @exception DWTException <ul> | |
| 292 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 293 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 294 * </ul> | |
| 295 */ | |
| 296 public bool getChecked () { | |
| 297 checkWidget(); | |
| 298 if (tableItem is null) return checked; | |
| 299 return tableItem.getChecked(); | |
| 300 } | |
| 301 | |
| 302 /** | |
| 303 * Returns <code>true</code> if the receiver is grayed, | |
| 304 * and false otherwise. When the parent does not have | |
| 305 * the <code>CHECK</code> style, return false. | |
| 306 * | |
| 307 * @return the grayed state of the checkbox | |
| 308 * | |
| 309 * @exception DWTException <ul> | |
| 310 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 311 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 312 * </ul> | |
| 313 * | |
| 314 * @since 2.1 | |
| 315 */ | |
| 316 public bool getGrayed () { | |
| 317 checkWidget(); | |
| 318 if (tableItem is null) return grayed; | |
| 319 return tableItem.getGrayed(); | |
| 320 } | |
| 321 | |
| 322 /** | |
| 323 * Returns <code>true</code> if the receiver is expanded, | |
| 324 * and false otherwise. | |
| 325 * <p> | |
| 326 * | |
| 327 * @return the expanded state | |
| 328 */ | |
| 329 public bool getExpanded () { | |
| 330 //checkWidget(); | |
| 331 return expanded; | |
| 332 } | |
| 333 | |
| 334 /** | |
| 335 * Returns the font that the receiver will use to paint textual information for this item. | |
| 336 * | |
| 337 * @return the receiver's font | |
| 338 * | |
| 339 * @exception DWTException <ul> | |
| 340 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 341 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 342 * </ul> | |
| 343 * | |
| 344 * @since 3.0 | |
| 345 */ | |
| 346 public Font getFont () { | |
| 347 checkWidget (); | |
| 348 return (font is null) ? parent.getFont() : font; | |
| 349 } | |
| 350 /** | |
| 351 * Returns the foreground color that the receiver will use to draw. | |
| 352 * | |
| 353 * @return the receiver's foreground color | |
| 354 * | |
| 355 * @exception DWTException <ul> | |
| 356 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 357 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 358 * </ul> | |
| 359 * | |
| 360 * @since 2.0 | |
| 361 * | |
| 362 */ | |
| 363 public Color getForeground () { | |
| 364 checkWidget (); | |
| 365 return (foreground is null) ? parent.getForeground() : foreground; | |
| 366 } | |
| 367 /** | |
| 368 * Gets the first image. | |
| 369 * <p> | |
| 370 * The image in column 0 is reserved for the [+] and [-] | |
| 371 * images of the tree, therefore getImage(0) will return null. | |
| 372 * | |
| 373 * @return the image at index 0 | |
| 374 * | |
| 375 * @exception DWTException <ul> | |
| 376 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 377 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 378 * </ul> | |
| 379 */ | |
| 380 public override Image getImage () { | |
| 381 checkWidget(); | |
| 382 return getImage(0); | |
| 383 } | |
| 384 | |
| 385 /** | |
| 386 * Gets the image at the specified index. | |
| 387 * <p> | |
| 388 * Indexing is zero based. The image can be null. | |
| 389 * The image in column 0 is reserved for the [+] and [-] | |
| 390 * images of the tree, therefore getImage(0) will return null. | |
| 391 * Return null if the index is out of range. | |
| 392 * | |
| 393 * @param index the index of the image | |
| 394 * @return the image at the specified index or null | |
| 395 */ | |
| 396 public Image getImage (int index) { | |
| 397 //checkWidget(); | |
| 398 if (0 < index && index < images.length) return images[index]; | |
| 399 return null; | |
| 400 } | |
| 401 | |
| 402 int getIndent() { | |
| 403 if (parentItem is null) return 0; | |
| 404 return parentItem.getIndent() + 1; | |
| 405 } | |
| 406 | |
| 407 /** | |
| 408 * Returns the item at the given, zero-relative index in the | |
| 409 * receiver. Throws an exception if the index is out of range. | |
| 410 * | |
| 411 * @param index the index of the item to return | |
| 412 * @return the item at the given index | |
| 413 * | |
| 414 * @exception IllegalArgumentException <ul> | |
| 415 * <li>ERROR_INVALID_RANGE - if the index is not between 0 and the number of elements in the list minus 1 (inclusive)</li> | |
| 416 * </ul> | |
| 417 * @exception DWTException <ul> | |
| 418 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 419 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 420 * </ul> | |
| 421 * | |
| 422 * @since 3.1 | |
| 423 */ | |
| 424 public TableTreeItem getItem (int index) { | |
| 425 checkWidget(); | |
| 426 int count = items.length; | |
| 427 if (!(0 <= index && index < count)) DWT.error (DWT.ERROR_INVALID_RANGE); | |
| 428 return items [index]; | |
| 429 } | |
| 430 | |
| 431 /** | |
| 432 * Returns the number of items contained in the receiver | |
| 433 * that are direct item children of the receiver. | |
| 434 * | |
| 435 * @return the number of items | |
| 436 */ | |
| 437 public int getItemCount () { | |
| 438 //checkWidget(); | |
| 439 return items.length; | |
| 440 } | |
| 441 | |
| 442 /** | |
| 443 * Returns an array of <code>TableTreeItem</code>s which are the | |
| 444 * direct item children of the receiver. | |
| 445 * <p> | |
| 446 * Note: This is not the actual structure used by the receiver | |
| 447 * to maintain its list of items, so modifying the array will | |
| 448 * not affect the receiver. | |
| 449 * </p> | |
| 450 * | |
| 451 * @return the receiver's items | |
| 452 */ | |
| 453 public TableTreeItem[] getItems () { | |
| 454 //checkWidget(); | |
| 455 TableTreeItem[] newItems = new TableTreeItem[items.length]; | |
| 456 System.arraycopy(items, 0, newItems, 0, items.length); | |
| 457 return newItems; | |
| 458 } | |
| 459 | |
| 460 TableTreeItem getItem(TableItem tableItem) { | |
| 461 if (tableItem is null) return null; | |
| 462 if (this.tableItem is tableItem) return this; | |
| 463 for (int i = 0; i < items.length; i++) { | |
| 464 TableTreeItem item = items[i].getItem(tableItem); | |
| 465 if (item !is null) return item; | |
| 466 } | |
| 467 return null; | |
| 468 } | |
| 469 | |
| 470 /** | |
| 471 * Returns the receiver's parent, which must be a <code>TableTree</code>. | |
| 472 * | |
| 473 * @return the receiver's parent | |
| 474 */ | |
| 475 public TableTree getParent () { | |
| 476 //checkWidget(); | |
| 477 return parent; | |
| 478 } | |
| 479 | |
| 480 /** | |
| 481 * Returns the receiver's parent item, which must be a | |
| 482 * <code>TableTreeItem</code> or null when the receiver is a | |
| 483 * root. | |
| 484 * | |
| 485 * @return the receiver's parent item | |
| 486 */ | |
| 487 public TableTreeItem getParentItem () { | |
| 488 //checkWidget(); | |
| 489 return parentItem; | |
| 490 } | |
|
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ab60f3309436
reverted the char[] to String and use the an alias.
Frank Benoit <benoit@tionex.de>
parents:
155
diff
changeset
|
491 public override String getText () { |
| 155 | 492 checkWidget(); |
| 493 return getText(0); | |
| 494 } | |
| 495 | |
| 496 /** | |
| 497 * Gets the item text at the specified index. | |
| 498 * <p> | |
| 499 * Indexing is zero based. | |
| 500 * | |
| 501 * This operation will fail when the index is out | |
| 502 * of range or an item could not be queried from | |
| 503 * the OS. | |
| 504 * | |
| 505 * @param index the index of the item | |
| 506 * @return the item text at the specified index, which can be null | |
| 507 */ | |
|
212
ab60f3309436
reverted the char[] to String and use the an alias.
Frank Benoit <benoit@tionex.de>
parents:
155
diff
changeset
|
508 public String getText(int index) { |
| 155 | 509 //checkWidget(); |
| 510 if (0 <= index && index < texts.length) return texts[index]; | |
| 511 return null; | |
| 512 } | |
| 513 | |
| 514 bool getVisible () { | |
| 515 return tableItem !is null; | |
| 516 } | |
| 517 | |
| 518 /** | |
| 519 * Gets the index of the specified item. | |
| 520 * | |
| 521 * <p>The widget is searched starting at 0 until an | |
| 522 * item is found that is equal to the search item. | |
| 523 * If no item is found, -1 is returned. Indexing | |
| 524 * is zero based. This index is relative to the parent only. | |
| 525 * | |
| 526 * @param item the search item | |
| 527 * @return the index of the item or -1 if the item is not found | |
| 528 * | |
| 529 */ | |
| 530 public int indexOf (TableTreeItem item) { | |
| 531 //checkWidget(); | |
| 532 for (int i = 0; i < items.length; i++) { | |
| 533 if (items[i] is item) return i; | |
| 534 } | |
| 535 return -1; | |
| 536 } | |
| 537 | |
| 538 void expandAll(bool notify) { | |
| 539 if (items.length is 0) return; | |
| 540 if (!expanded) { | |
| 541 setExpanded(true); | |
| 542 if (notify) { | |
| 543 Event event = new Event(); | |
| 544 event.item = this; | |
| 545 parent.notifyListeners(DWT.Expand, event); | |
| 546 } | |
| 547 } | |
| 548 for (int i = 0; i < items.length; i++) { | |
| 549 items[i].expandAll(notify); | |
| 550 } | |
| 551 } | |
| 552 int expandedIndexOf (TableTreeItem item) { | |
| 553 int index = 0; | |
| 554 for (int i = 0; i < items.length; i++) { | |
| 555 if (items[i] is item) return index; | |
| 556 if (items[i].expanded) index += items[i].visibleChildrenCount (); | |
| 557 index++; | |
| 558 } | |
| 559 return -1; | |
| 560 } | |
| 561 | |
| 562 int visibleChildrenCount () { | |
| 563 int count = 0; | |
| 564 for (int i = 0; i < items.length; i++) { | |
| 565 if (items[i].getVisible ()) { | |
| 566 count += 1 + items[i].visibleChildrenCount (); | |
| 567 } | |
| 568 } | |
| 569 return count; | |
| 570 } | |
| 571 | |
| 572 public override void dispose () { | |
| 573 if (isDisposed()) return; | |
| 574 for (int i = items.length - 1; i >= 0; i--) { | |
| 575 items[i].dispose(); | |
| 576 } | |
| 577 super.dispose(); | |
| 578 if (!parent.inDispose) { | |
| 579 if (parentItem !is null) { | |
| 580 parentItem.removeItem(this); | |
| 581 } else { | |
| 582 parent.removeItem(this); | |
| 583 } | |
| 584 if (tableItem !is null) tableItem.dispose(); | |
| 585 } | |
| 586 items = null; | |
| 587 parentItem = null; | |
| 588 parent = null; | |
| 589 images = null; | |
| 590 texts = null; | |
| 591 tableItem = null; | |
| 592 foreground = null; | |
| 593 background = null; | |
| 594 font = null; | |
| 595 } | |
| 596 | |
| 597 void removeItem(TableTreeItem item) { | |
| 598 int index = 0; | |
| 599 while (index < items.length && items[index] !is item) index++; | |
| 600 if (index is items.length) return; | |
| 601 TableTreeItem[] newItems = new TableTreeItem[items.length - 1]; | |
| 602 System.arraycopy(items, 0, newItems, 0, index); | |
| 603 System.arraycopy(items, index + 1, newItems, index, items.length - index - 1); | |
| 604 items = newItems; | |
| 605 if (items.length is 0) { | |
| 606 if (tableItem !is null) tableItem.setImage(0, null); | |
| 607 } | |
| 608 } | |
| 609 | |
| 610 /** | |
| 611 * Sets the receiver's background color to the color specified | |
| 612 * by the argument, or to the default system color for the item | |
| 613 * if the argument is null. | |
| 614 * | |
| 615 * @param color the new color (or null) | |
| 616 * | |
| 617 * @exception IllegalArgumentException <ul> | |
| 618 * <li>ERROR_INVALID_ARGUMENT - if the argument has been disposed</li> | |
| 619 * </ul> | |
| 620 * @exception DWTException <ul> | |
| 621 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 622 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 623 * </ul> | |
| 624 * | |
| 625 * @since 2.0 | |
| 626 * | |
| 627 */ | |
| 628 public void setBackground (Color color) { | |
| 629 checkWidget (); | |
| 630 if (color !is null && color.isDisposed ()) { | |
| 631 DWT.error (DWT.ERROR_INVALID_ARGUMENT); | |
| 632 } | |
| 633 if (tableItem !is null) { | |
| 634 tableItem.setBackground(color); | |
| 635 } | |
| 636 background = color; | |
| 637 } | |
| 638 | |
| 639 /** | |
| 640 * Sets the checked state of the checkbox for this item. This state change | |
| 641 * only applies if the Table was created with the DWT.CHECK style. | |
| 642 * | |
| 643 * @param checked the new checked state of the checkbox | |
| 644 * | |
| 645 * @exception DWTException <ul> | |
| 646 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 647 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 648 * </ul> | |
| 649 */ | |
| 650 public void setChecked (bool checked) { | |
| 651 checkWidget(); | |
| 652 Table table = parent.getTable(); | |
| 653 if ((table.getStyle() & DWT.CHECK) is 0) return; | |
| 654 if (tableItem !is null) { | |
| 655 tableItem.setChecked(checked); | |
| 656 } | |
| 657 this.checked = checked; | |
| 658 } | |
| 659 | |
| 660 /** | |
| 661 * Sets the grayed state of the checkbox for this item. This state change | |
| 662 * only applies if the Table was created with the DWT.CHECK style. | |
| 663 * | |
| 664 * @param grayed the new grayed state of the checkbox; | |
| 665 * | |
| 666 * @exception DWTException <ul> | |
| 667 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 668 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 669 * </ul> | |
| 670 * | |
| 671 * @since 2.1 | |
| 672 */ | |
| 673 public void setGrayed (bool grayed) { | |
| 674 checkWidget(); | |
| 675 Table table = parent.getTable(); | |
| 676 if ((table.getStyle() & DWT.CHECK) is 0) return; | |
| 677 if (tableItem !is null) { | |
| 678 tableItem.setGrayed(grayed); | |
| 679 } | |
| 680 this.grayed = grayed; | |
| 681 } | |
| 682 | |
| 683 /** | |
| 684 * Sets the expanded state. | |
| 685 * <p> | |
| 686 * @param expanded the new expanded state. | |
| 687 * | |
| 688 * @exception DWTException <ul> | |
| 689 * <li>ERROR_THREAD_INVALID_ACCESS when called from the wrong thread</li> | |
| 690 * <li>ERROR_WIDGET_DISPOSED when the widget has been disposed</li> | |
| 691 * </ul> | |
| 692 */ | |
| 693 public void setExpanded (bool expanded) { | |
| 694 checkWidget(); | |
| 695 if (items.length is 0) return; | |
| 696 if (this.expanded is expanded) return; | |
| 697 this.expanded = expanded; | |
| 698 if (tableItem is null) return; | |
| 699 parent.setRedraw(false); | |
| 700 for (int i = 0; i < items.length; i++) { | |
| 701 items[i].setVisible(expanded); | |
| 702 } | |
| 703 Image image = expanded ? parent.getMinusImage() : parent.getPlusImage(); | |
| 704 tableItem.setImage(0, image); | |
| 705 parent.setRedraw(true); | |
| 706 } | |
| 707 | |
| 708 /** | |
| 709 * Sets the font that the receiver will use to paint textual information | |
| 710 * for this item to the font specified by the argument, or to the default font | |
| 711 * for that kind of control if the argument is null. | |
| 712 * | |
| 713 * @param font the new font (or null) | |
| 714 * | |
| 715 * @exception IllegalArgumentException <ul> | |
| 716 * <li>ERROR_INVALID_ARGUMENT - if the argument has been disposed</li> | |
| 717 * </ul> | |
| 718 * @exception DWTException <ul> | |
| 719 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 720 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 721 * </ul> | |
| 722 * | |
| 723 * @since 3.0 | |
| 724 */ | |
| 725 public void setFont (Font font){ | |
| 726 checkWidget (); | |
| 727 if (font !is null && font.isDisposed ()) { | |
| 728 DWT.error (DWT.ERROR_INVALID_ARGUMENT); | |
| 729 } | |
| 730 if (tableItem !is null) { | |
| 731 tableItem.setFont(font); | |
| 732 } | |
| 733 this.font = font; | |
| 734 } | |
| 735 /** | |
| 736 * Sets the receiver's foreground color to the color specified | |
| 737 * by the argument, or to the default system color for the item | |
| 738 * if the argument is null. | |
| 739 * | |
| 740 * @param color the new color (or null) | |
| 741 * | |
| 742 * @since 2.0 | |
| 743 * | |
| 744 * @exception IllegalArgumentException <ul> | |
| 745 * <li>ERROR_INVALID_ARGUMENT - if the argument has been disposed</li> | |
| 746 * </ul> | |
| 747 * @exception DWTException <ul> | |
| 748 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 749 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 750 * </ul> | |
| 751 * | |
| 752 * @since 2.0 | |
| 753 * | |
| 754 */ | |
| 755 public void setForeground (Color color) { | |
| 756 checkWidget (); | |
| 757 if (color !is null && color.isDisposed ()) { | |
| 758 DWT.error (DWT.ERROR_INVALID_ARGUMENT); | |
| 759 } | |
| 760 if (tableItem !is null) { | |
| 761 tableItem.setForeground(color); | |
| 762 } | |
| 763 foreground = color; | |
| 764 } | |
| 765 | |
| 766 /** | |
| 767 * Sets the image at an index. | |
| 768 * <p> | |
| 769 * The image can be null. | |
| 770 * The image in column 0 is reserved for the [+] and [-] | |
| 771 * images of the tree, therefore do nothing if index is 0. | |
| 772 * | |
| 773 * @param image the new image or null | |
| 774 * | |
| 775 * @exception DWTException <ul> | |
| 776 * <li>ERROR_THREAD_INVALID_ACCESS when called from the wrong thread</li> | |
| 777 * <li>ERROR_WIDGET_DISPOSED when the widget has been disposed</li> | |
| 778 * </ul> | |
| 779 */ | |
| 780 public void setImage (int index, Image image) { | |
| 781 checkWidget(); | |
| 782 int columnCount = Math.max(parent.getTable().getColumnCount(), 1); | |
| 783 if (index <= 0 || index >= columnCount) return; | |
| 784 if (images.length < columnCount) { | |
| 785 Image[] newImages = new Image[columnCount]; | |
| 786 System.arraycopy(images, 0, newImages, 0, images.length); | |
| 787 images = newImages; | |
| 788 } | |
| 789 images[index] = image; | |
| 790 if (tableItem !is null) tableItem.setImage(index, image); | |
| 791 } | |
| 792 | |
| 793 /** | |
| 794 * Sets the first image. | |
| 795 * <p> | |
| 796 * The image can be null. | |
| 797 * The image in column 0 is reserved for the [+] and [-] | |
| 798 * images of the tree, therefore do nothing. | |
| 799 * | |
| 800 * @param image the new image or null | |
| 801 * | |
| 802 * @exception DWTException <ul> | |
| 803 * <li>ERROR_THREAD_INVALID_ACCESS when called from the wrong thread</li> | |
| 804 * <li>ERROR_WIDGET_DISPOSED when the widget has been disposed</li> | |
| 805 * </ul> | |
| 806 */ | |
| 807 public override void setImage (Image image) { | |
| 808 setImage(0, image); | |
| 809 } | |
| 810 | |
| 811 /** | |
| 812 * Sets the widget text. | |
| 813 * <p> | |
| 814 * | |
| 815 * The widget text for an item is the label of the | |
| 816 * item or the label of the text specified by a column | |
| 817 * number. | |
| 818 * | |
| 819 * @param index the column number | |
| 820 * @param text the new text | |
| 821 * | |
| 822 * @exception IllegalArgumentException <ul> | |
| 823 * <li>ERROR_NULL_ARGUMENT - if the text is null</li> | |
| 824 * </ul> | |
| 825 * @exception DWTException <ul> | |
| 826 * <li>ERROR_THREAD_INVALID_ACCESS when called from the wrong thread</li> | |
| 827 * <li>ERROR_WIDGET_DISPOSED when the widget has been disposed</li> | |
| 828 * </ul> | |
| 829 */ | |
|
212
ab60f3309436
reverted the char[] to String and use the an alias.
Frank Benoit <benoit@tionex.de>
parents:
155
diff
changeset
|
830 public void setText(int index, String text) { |
| 155 | 831 checkWidget(); |
| 832 if (text is null) DWT.error (DWT.ERROR_NULL_ARGUMENT); | |
| 833 int columnCount = Math.max(parent.getTable().getColumnCount(), 1); | |
| 834 if (index < 0 || index >= columnCount) return; | |
| 835 if (texts.length < columnCount) { | |
|
212
ab60f3309436
reverted the char[] to String and use the an alias.
Frank Benoit <benoit@tionex.de>
parents:
155
diff
changeset
|
836 String[] newTexts = new String[columnCount]; |
| 155 | 837 System.arraycopy(texts, 0, newTexts, 0, texts.length); |
| 838 texts = newTexts; | |
| 839 } | |
| 840 texts[index] = text; | |
| 841 if (tableItem !is null) tableItem.setText(index, text); | |
| 842 } | |
|
212
ab60f3309436
reverted the char[] to String and use the an alias.
Frank Benoit <benoit@tionex.de>
parents:
155
diff
changeset
|
843 public override void setText (String string) { |
| 155 | 844 setText(0, string); |
| 845 } | |
| 846 | |
| 847 void setVisible (bool show) { | |
| 848 if (parentItem is null) return; // this is a root and can not be toggled between visible and hidden | |
| 849 if (getVisible() is show) return; | |
| 850 | |
| 851 if (show) { | |
| 852 if (!parentItem.getVisible()) return; // parentItem must already be visible | |
| 853 // create underlying table item and set data in table item to stored data | |
| 854 Table table = parent.getTable(); | |
| 855 int parentIndex = table.indexOf(parentItem.tableItem); | |
| 856 int index = parentItem.expandedIndexOf(this) + parentIndex + 1; | |
| 857 if (index < 0) return; | |
| 858 tableItem = new TableItem(table, getStyle(), index); | |
| 859 tableItem.setData(TableTree.ITEMID, this); | |
| 860 tableItem.setImageIndent(getIndent()); | |
| 861 if (background !is null) tableItem.setBackground(background); | |
| 862 if (foreground !is null) tableItem.setForeground(foreground); | |
| 863 if (font !is null) tableItem.setFont(font); | |
| 864 addCheck(); | |
| 865 | |
| 866 // restore fields to item | |
| 867 // ignore any images in the first column | |
| 868 int columnCount = Math.max(table.getColumnCount(), 1); | |
| 869 for (int i = 0; i < columnCount; i++) { | |
| 870 if (i < texts.length && texts[i] !is null) setText(i, texts[i]); | |
| 871 if (i < images.length && images[i] !is null) setImage(i, images[i]); | |
| 872 } | |
| 873 | |
| 874 // display the children and the appropriate [+]/[-] symbol as required | |
| 875 if (items.length !is 0) { | |
| 876 if (expanded) { | |
| 877 tableItem.setImage(0, parent.getMinusImage()); | |
| 878 for (int i = 0, length = items.length; i < length; i++) { | |
| 879 items[i].setVisible(true); | |
| 880 } | |
| 881 } else { | |
| 882 tableItem.setImage(0, parent.getPlusImage()); | |
| 883 } | |
| 884 } | |
| 885 | |
| 886 } else { | |
| 887 | |
| 888 for (int i = 0, length = items.length; i < length; i++) { | |
| 889 items[i].setVisible(false); | |
| 890 } | |
| 891 // remove row from table | |
| 892 tableItem.dispose(); | |
| 893 tableItem = null; | |
| 894 } | |
| 895 } | |
| 896 } |