The Tor Browser / file comparison
comparison: toolkit/content/widgets/listbox.xml
toolkit/content/widgets/listbox.xml
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| 1 <?xml version="1.0"?> | |
| 2 | |
| 3 <!-- This Source Code Form is subject to the terms of the Mozilla Public | |
| 4 - License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 5 - file, You can obtain one at http://mozilla.org/MPL/2.0/. --> | |
| 6 | |
| 7 <bindings id="listboxBindings" | |
| 8 xmlns="http://www.mozilla.org/xbl" | |
| 9 xmlns:xul="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul" | |
| 10 xmlns:xbl="http://www.mozilla.org/xbl"> | |
| 11 | |
| 12 <!-- | |
| 13 Interface binding that is base for bindings of xul:listbox and | |
| 14 xul:richlistbox elements. This binding assumes that successors bindings | |
| 15 will implement the following properties and methods: | |
| 16 | |
| 17 /** Return the number of items */ | |
| 18 readonly itemCount | |
| 19 | |
| 20 /** Return index of given item | |
| 21 * @param aItem - given item element */ | |
| 22 getIndexOfItem(aItem) | |
| 23 | |
| 24 /** Return item at given index | |
| 25 * @param aIndex - index of item element */ | |
| 26 getItemAtIndex(aIndex) | |
| 27 | |
| 28 /** Return count of item elements */ | |
| 29 getRowCount() | |
| 30 | |
| 31 /** Return count of visible item elements */ | |
| 32 getNumberOfVisibleRows() | |
| 33 | |
| 34 /** Return index of first visible item element */ | |
| 35 getIndexOfFirstVisibleRow() | |
| 36 | |
| 37 /** Return true if item of given index is visible | |
| 38 * @param aIndex - index of item element | |
| 39 * | |
| 40 * @note XXX: this method should be removed after bug 364612 is fixed | |
| 41 */ | |
| 42 ensureIndexIsVisible(aIndex) | |
| 43 | |
| 44 /** Return true if item element is visible | |
| 45 * @param aElement - given item element */ | |
| 46 ensureElementIsVisible(aElement) | |
| 47 | |
| 48 /** Scroll list control to make visible item of given index | |
| 49 * @param aIndex - index of item element | |
| 50 * | |
| 51 * @note XXX: this method should be removed after bug 364612 is fixed | |
| 52 */ | |
| 53 scrollToIndex(aIndex) | |
| 54 | |
| 55 /** Create item element and append it to the end of listbox | |
| 56 * @param aLabel - label of new item element | |
| 57 * @param aValue - value of new item element */ | |
| 58 appendItem(aLabel, aValue) | |
| 59 | |
| 60 /** Create item element and insert it to given position | |
| 61 * @param aIndex - insertion position | |
| 62 * @param aLabel - label of new item element | |
| 63 * @param aValue - value of new item element */ | |
| 64 insertItemAt(aIndex, aLabel, aValue) | |
| 65 | |
| 66 /** Scroll up/down one page | |
| 67 * @param aDirection - specifies scrolling direction, should be either -1 or 1 | |
| 68 * @return the number of elements the selection scrolled | |
| 69 */ | |
| 70 scrollOnePage(aDirection) | |
| 71 | |
| 72 /** Fire "select" event */ | |
| 73 _fireOnSelect() | |
| 74 --> | |
| 75 <binding id="listbox-base" role="xul:listbox" | |
| 76 extends="chrome://global/content/bindings/general.xml#basecontrol"> | |
| 77 | |
| 78 <implementation implements="nsIDOMXULMultiSelectControlElement"> | |
| 79 <field name="_lastKeyTime">0</field> | |
| 80 <field name="_incrementalString">""</field> | |
| 81 | |
| 82 <!-- nsIDOMXULSelectControlElement --> | |
| 83 <property name="selectedItem" | |
| 84 onset="this.selectItem(val);"> | |
| 85 <getter> | |
| 86 <![CDATA[ | |
| 87 return this.selectedItems.length > 0 ? this.selectedItems[0] : null; | |
| 88 ]]> | |
| 89 </getter> | |
| 90 </property> | |
| 91 | |
| 92 <property name="selectedIndex"> | |
| 93 <getter> | |
| 94 <![CDATA[ | |
| 95 if (this.selectedItems.length > 0) | |
| 96 return this.getIndexOfItem(this.selectedItems[0]); | |
| 97 return -1; | |
| 98 ]]> | |
| 99 </getter> | |
| 100 <setter> | |
| 101 <![CDATA[ | |
| 102 if (val >= 0) { | |
| 103 this.selectItem(this.getItemAtIndex(val)); | |
| 104 } else { | |
| 105 this.clearSelection(); | |
| 106 this.currentItem = null; | |
| 107 } | |
| 108 ]]> | |
| 109 </setter> | |
| 110 </property> | |
| 111 | |
| 112 <property name="value"> | |
| 113 <getter> | |
| 114 <![CDATA[ | |
| 115 if (this.selectedItems.length > 0) | |
| 116 return this.selectedItem.value; | |
| 117 return null; | |
| 118 ]]> | |
| 119 </getter> | |
| 120 <setter> | |
| 121 <![CDATA[ | |
| 122 var kids = this.getElementsByAttribute("value", val); | |
| 123 if (kids && kids.item(0)) | |
| 124 this.selectItem(kids[0]); | |
| 125 return val; | |
| 126 ]]> | |
| 127 </setter> | |
| 128 </property> | |
| 129 | |
| 130 <method name="removeItemAt"> | |
| 131 <parameter name="index"/> | |
| 132 <body> | |
| 133 <![CDATA[ | |
| 134 var remove = this.getItemAtIndex(index); | |
| 135 if (remove) | |
| 136 this.removeChild(remove); | |
| 137 return remove; | |
| 138 ]]> | |
| 139 </body> | |
| 140 </method> | |
| 141 | |
| 142 <!-- nsIDOMXULMultiSelectControlElement --> | |
| 143 <property name="selType" | |
| 144 onget="return this.getAttribute('seltype');" | |
| 145 onset="this.setAttribute('seltype', val); return val;"/> | |
| 146 | |
| 147 <property name="currentItem" onget="return this._currentItem;"> | |
| 148 <setter> | |
| 149 if (this._currentItem == val) | |
| 150 return val; | |
| 151 | |
| 152 if (this._currentItem) | |
| 153 this._currentItem.current = false; | |
| 154 this._currentItem = val; | |
| 155 | |
| 156 if (val) | |
| 157 val.current = true; | |
| 158 | |
| 159 return val; | |
| 160 </setter> | |
| 161 </property> | |
| 162 | |
| 163 <property name="currentIndex"> | |
| 164 <getter> | |
| 165 return this.currentItem ? this.getIndexOfItem(this.currentItem) : -1; | |
| 166 </getter> | |
| 167 <setter> | |
| 168 <![CDATA[ | |
| 169 if (val >= 0) | |
| 170 this.currentItem = this.getItemAtIndex(val); | |
| 171 else | |
| 172 this.currentItem = null; | |
| 173 ]]> | |
| 174 </setter> | |
| 175 </property> | |
| 176 | |
| 177 <field name="selectedItems">[]</field> | |
| 178 | |
| 179 <method name="addItemToSelection"> | |
| 180 <parameter name="aItem"/> | |
| 181 <body> | |
| 182 <![CDATA[ | |
| 183 if (this.selType != "multiple" && this.selectedCount) | |
| 184 return; | |
| 185 | |
| 186 if (aItem.selected) | |
| 187 return; | |
| 188 | |
| 189 this.selectedItems.push(aItem); | |
| 190 aItem.selected = true; | |
| 191 | |
| 192 this._fireOnSelect(); | |
| 193 ]]> | |
| 194 </body> | |
| 195 </method> | |
| 196 | |
| 197 <method name="removeItemFromSelection"> | |
| 198 <parameter name="aItem"/> | |
| 199 <body> | |
| 200 <![CDATA[ | |
| 201 if (!aItem.selected) | |
| 202 return; | |
| 203 | |
| 204 for (var i = 0; i < this.selectedItems.length; ++i) { | |
| 205 if (this.selectedItems[i] == aItem) { | |
| 206 this.selectedItems.splice(i, 1); | |
| 207 aItem.selected = false; | |
| 208 break; | |
| 209 } | |
| 210 } | |
| 211 | |
| 212 this._fireOnSelect(); | |
| 213 ]]> | |
| 214 </body> | |
| 215 </method> | |
| 216 | |
| 217 <method name="toggleItemSelection"> | |
| 218 <parameter name="aItem"/> | |
| 219 <body> | |
| 220 <![CDATA[ | |
| 221 if (aItem.selected) | |
| 222 this.removeItemFromSelection(aItem); | |
| 223 else | |
| 224 this.addItemToSelection(aItem); | |
| 225 ]]> | |
| 226 </body> | |
| 227 </method> | |
| 228 | |
| 229 <method name="selectItem"> | |
| 230 <parameter name="aItem"/> | |
| 231 <body> | |
| 232 <![CDATA[ | |
| 233 if (!aItem) | |
| 234 return; | |
| 235 | |
| 236 if (this.selectedItems.length == 1 && this.selectedItems[0] == aItem) | |
| 237 return; | |
| 238 | |
| 239 this._selectionStart = null; | |
| 240 | |
| 241 var suppress = this._suppressOnSelect; | |
| 242 this._suppressOnSelect = true; | |
| 243 | |
| 244 this.clearSelection(); | |
| 245 this.addItemToSelection(aItem); | |
| 246 this.currentItem = aItem; | |
| 247 | |
| 248 this._suppressOnSelect = suppress; | |
| 249 this._fireOnSelect(); | |
| 250 ]]> | |
| 251 </body> | |
| 252 </method> | |
| 253 | |
| 254 <method name="selectItemRange"> | |
| 255 <parameter name="aStartItem"/> | |
| 256 <parameter name="aEndItem"/> | |
| 257 <body> | |
| 258 <![CDATA[ | |
| 259 if (this.selType != "multiple") | |
| 260 return; | |
| 261 | |
| 262 if (!aStartItem) | |
| 263 aStartItem = this._selectionStart ? | |
| 264 this._selectionStart : this.currentItem; | |
| 265 | |
| 266 if (!aStartItem) | |
| 267 aStartItem = aEndItem; | |
| 268 | |
| 269 var suppressSelect = this._suppressOnSelect; | |
| 270 this._suppressOnSelect = true; | |
| 271 | |
| 272 this._selectionStart = aStartItem; | |
| 273 | |
| 274 var currentItem; | |
| 275 var startIndex = this.getIndexOfItem(aStartItem); | |
| 276 var endIndex = this.getIndexOfItem(aEndItem); | |
| 277 if (endIndex < startIndex) { | |
| 278 currentItem = aEndItem; | |
| 279 aEndItem = aStartItem; | |
| 280 aStartItem = currentItem; | |
| 281 } else { | |
| 282 currentItem = aStartItem; | |
| 283 } | |
| 284 | |
| 285 while (currentItem) { | |
| 286 this.addItemToSelection(currentItem); | |
| 287 if (currentItem == aEndItem) { | |
| 288 currentItem = this.getNextItem(currentItem, 1); | |
| 289 break; | |
| 290 } | |
| 291 currentItem = this.getNextItem(currentItem, 1); | |
| 292 } | |
| 293 | |
| 294 // Clear around new selection | |
| 295 // Don't use clearSelection() because it causes a lot of noise | |
| 296 // with respect to selection removed notifications used by the | |
| 297 // accessibility API support. | |
| 298 var userSelecting = this._userSelecting; | |
| 299 this._userSelecting = false; // that's US automatically unselecting | |
| 300 for (; currentItem; currentItem = this.getNextItem(currentItem, 1)) | |
| 301 this.removeItemFromSelection(currentItem); | |
| 302 | |
| 303 for (currentItem = this.getItemAtIndex(0); currentItem != aStartItem; | |
| 304 currentItem = this.getNextItem(currentItem, 1)) | |
| 305 this.removeItemFromSelection(currentItem); | |
| 306 this._userSelecting = userSelecting; | |
| 307 | |
| 308 this._suppressOnSelect = suppressSelect; | |
| 309 | |
| 310 this._fireOnSelect(); | |
| 311 ]]> | |
| 312 </body> | |
| 313 </method> | |
| 314 | |
| 315 <method name="selectAll"> | |
| 316 <body> | |
| 317 this._selectionStart = null; | |
| 318 | |
| 319 var suppress = this._suppressOnSelect; | |
| 320 this._suppressOnSelect = true; | |
| 321 | |
| 322 var item = this.getItemAtIndex(0); | |
| 323 while (item) { | |
| 324 this.addItemToSelection(item); | |
| 325 item = this.getNextItem(item, 1); | |
| 326 } | |
| 327 | |
| 328 this._suppressOnSelect = suppress; | |
| 329 this._fireOnSelect(); | |
| 330 </body> | |
| 331 </method> | |
| 332 | |
| 333 <method name="invertSelection"> | |
| 334 <body> | |
| 335 this._selectionStart = null; | |
| 336 | |
| 337 var suppress = this._suppressOnSelect; | |
| 338 this._suppressOnSelect = true; | |
| 339 | |
| 340 var item = this.getItemAtIndex(0); | |
| 341 while (item) { | |
| 342 if (item.selected) | |
| 343 this.removeItemFromSelection(item); | |
| 344 else | |
| 345 this.addItemToSelection(item); | |
| 346 item = this.getNextItem(item, 1); | |
| 347 } | |
| 348 | |
| 349 this._suppressOnSelect = suppress; | |
| 350 this._fireOnSelect(); | |
| 351 </body> | |
| 352 </method> | |
| 353 | |
| 354 <method name="clearSelection"> | |
| 355 <body> | |
| 356 <![CDATA[ | |
| 357 if (this.selectedItems) { | |
| 358 for (var i = this.selectedItems.length - 1; i >= 0; --i) | |
| 359 this.selectedItems[i].selected = false; | |
| 360 | |
| 361 this.selectedItems.length = 0; | |
| 362 } | |
| 363 | |
| 364 this._selectionStart = null; | |
| 365 this._fireOnSelect(); | |
| 366 ]]> | |
| 367 </body> | |
| 368 </method> | |
| 369 | |
| 370 <property name="selectedCount" readonly="true" | |
| 371 onget="return this.selectedItems.length;"/> | |
| 372 | |
| 373 <method name="getSelectedItem"> | |
| 374 <parameter name="aIndex"/> | |
| 375 <body> | |
| 376 <![CDATA[ | |
| 377 return aIndex < this.selectedItems.length ? | |
| 378 this.selectedItems[aIndex] : null; | |
| 379 ]]> | |
| 380 </body> | |
| 381 </method> | |
| 382 | |
| 383 <!-- Other public members --> | |
| 384 <property name="disableKeyNavigation" | |
| 385 onget="return this.hasAttribute('disableKeyNavigation');"> | |
| 386 <setter> | |
| 387 if (val) | |
| 388 this.setAttribute("disableKeyNavigation", "true"); | |
| 389 else | |
| 390 this.removeAttribute("disableKeyNavigation"); | |
| 391 return val; | |
| 392 </setter> | |
| 393 </property> | |
| 394 | |
| 395 <property name="suppressOnSelect" | |
| 396 onget="return this.getAttribute('suppressonselect') == 'true';" | |
| 397 onset="this.setAttribute('suppressonselect', val);"/> | |
| 398 | |
| 399 <property name="_selectDelay" | |
| 400 onset="this.setAttribute('_selectDelay', val);" | |
| 401 onget="return this.getAttribute('_selectDelay') || 50;"/> | |
| 402 | |
| 403 <method name="timedSelect"> | |
| 404 <parameter name="aItem"/> | |
| 405 <parameter name="aTimeout"/> | |
| 406 <body> | |
| 407 <![CDATA[ | |
| 408 var suppress = this._suppressOnSelect; | |
| 409 if (aTimeout != -1) | |
| 410 this._suppressOnSelect = true; | |
| 411 | |
| 412 this.selectItem(aItem); | |
| 413 | |
| 414 this._suppressOnSelect = suppress; | |
| 415 | |
| 416 if (aTimeout != -1) { | |
| 417 if (this._selectTimeout) | |
| 418 window.clearTimeout(this._selectTimeout); | |
| 419 this._selectTimeout = | |
| 420 window.setTimeout(this._selectTimeoutHandler, aTimeout, this); | |
| 421 } | |
| 422 ]]> | |
| 423 </body> | |
| 424 </method> | |
| 425 | |
| 426 <method name="moveByOffset"> | |
| 427 <parameter name="aOffset"/> | |
| 428 <parameter name="aIsSelecting"/> | |
| 429 <parameter name="aIsSelectingRange"/> | |
| 430 <body> | |
| 431 <![CDATA[ | |
| 432 if ((aIsSelectingRange || !aIsSelecting) && | |
| 433 this.selType != "multiple") | |
| 434 return; | |
| 435 | |
| 436 var newIndex = this.currentIndex + aOffset; | |
| 437 if (newIndex < 0) | |
| 438 newIndex = 0; | |
| 439 | |
| 440 var numItems = this.getRowCount(); | |
| 441 if (newIndex > numItems - 1) | |
| 442 newIndex = numItems - 1; | |
| 443 | |
| 444 var newItem = this.getItemAtIndex(newIndex); | |
| 445 // make sure that the item is actually visible/selectable | |
| 446 if (this._userSelecting && newItem && !this._canUserSelect(newItem)) | |
| 447 newItem = | |
| 448 aOffset > 0 ? this.getNextItem(newItem, 1) || this.getPreviousItem(newItem, 1) : | |
| 449 this.getPreviousItem(newItem, 1) || this.getNextItem(newItem, 1); | |
| 450 if (newItem) { | |
| 451 this.ensureIndexIsVisible(this.getIndexOfItem(newItem)); | |
| 452 if (aIsSelectingRange) | |
| 453 this.selectItemRange(null, newItem); | |
| 454 else if (aIsSelecting) | |
| 455 this.selectItem(newItem); | |
| 456 | |
| 457 this.currentItem = newItem; | |
| 458 } | |
| 459 ]]> | |
| 460 </body> | |
| 461 </method> | |
| 462 | |
| 463 <!-- Private --> | |
| 464 <method name="getNextItem"> | |
| 465 <parameter name="aStartItem"/> | |
| 466 <parameter name="aDelta"/> | |
| 467 <body> | |
| 468 <![CDATA[ | |
| 469 while (aStartItem) { | |
| 470 aStartItem = aStartItem.nextSibling; | |
| 471 if (aStartItem && aStartItem instanceof | |
| 472 Components.interfaces.nsIDOMXULSelectControlItemElement && | |
| 473 (!this._userSelecting || this._canUserSelect(aStartItem))) { | |
| 474 --aDelta; | |
| 475 if (aDelta == 0) | |
| 476 return aStartItem; | |
| 477 } | |
| 478 } | |
| 479 return null; | |
| 480 ]]></body> | |
| 481 </method> | |
| 482 | |
| 483 <method name="getPreviousItem"> | |
| 484 <parameter name="aStartItem"/> | |
| 485 <parameter name="aDelta"/> | |
| 486 <body> | |
| 487 <![CDATA[ | |
| 488 while (aStartItem) { | |
| 489 aStartItem = aStartItem.previousSibling; | |
| 490 if (aStartItem && aStartItem instanceof | |
| 491 Components.interfaces.nsIDOMXULSelectControlItemElement && | |
| 492 (!this._userSelecting || this._canUserSelect(aStartItem))) { | |
| 493 --aDelta; | |
| 494 if (aDelta == 0) | |
| 495 return aStartItem; | |
| 496 } | |
| 497 } | |
| 498 return null; | |
| 499 ]]> | |
| 500 </body> | |
| 501 </method> | |
| 502 | |
| 503 <method name="_moveByOffsetFromUserEvent"> | |
| 504 <parameter name="aOffset"/> | |
| 505 <parameter name="aEvent"/> | |
| 506 <body> | |
| 507 <![CDATA[ | |
| 508 if (!aEvent.defaultPrevented) { | |
| 509 this._userSelecting = true; | |
| 510 this._mayReverse = true; | |
| 511 this.moveByOffset(aOffset, !aEvent.ctrlKey, aEvent.shiftKey); | |
| 512 this._userSelecting = false; | |
| 513 this._mayReverse = false; | |
| 514 aEvent.preventDefault(); | |
| 515 } | |
| 516 ]]> | |
| 517 </body> | |
| 518 </method> | |
| 519 | |
| 520 <method name="_canUserSelect"> | |
| 521 <parameter name="aItem"/> | |
| 522 <body> | |
| 523 <![CDATA[ | |
| 524 var style = document.defaultView.getComputedStyle(aItem, ""); | |
| 525 return style.display != "none" && style.visibility == "visible"; | |
| 526 ]]> | |
| 527 </body> | |
| 528 </method> | |
| 529 | |
| 530 <method name="_selectTimeoutHandler"> | |
| 531 <parameter name="aMe"/> | |
| 532 <body> | |
| 533 aMe._fireOnSelect(); | |
| 534 aMe._selectTimeout = null; | |
| 535 </body> | |
| 536 </method> | |
| 537 | |
| 538 <field name="_suppressOnSelect">false</field> | |
| 539 <field name="_userSelecting">false</field> | |
| 540 <field name="_mayReverse">false</field> | |
| 541 <field name="_selectTimeout">null</field> | |
| 542 <field name="_currentItem">null</field> | |
| 543 <field name="_selectionStart">null</field> | |
| 544 </implementation> | |
| 545 | |
| 546 <handlers> | |
| 547 <handler event="keypress" keycode="VK_UP" modifiers="control shift any" | |
| 548 action="this._moveByOffsetFromUserEvent(-1, event);" | |
| 549 group="system"/> | |
| 550 <handler event="keypress" keycode="VK_DOWN" modifiers="control shift any" | |
| 551 action="this._moveByOffsetFromUserEvent(1, event);" | |
| 552 group="system"/> | |
| 553 <handler event="keypress" keycode="VK_HOME" modifiers="control shift any" | |
| 554 group="system"> | |
| 555 <![CDATA[ | |
| 556 this._mayReverse = true; | |
| 557 this._moveByOffsetFromUserEvent(-this.currentIndex, event); | |
| 558 this._mayReverse = false; | |
| 559 ]]> | |
| 560 </handler> | |
| 561 <handler event="keypress" keycode="VK_END" modifiers="control shift any" | |
| 562 group="system"> | |
| 563 <![CDATA[ | |
| 564 this._mayReverse = true; | |
| 565 this._moveByOffsetFromUserEvent(this.getRowCount() - this.currentIndex - 1, event); | |
| 566 this._mayReverse = false; | |
| 567 ]]> | |
| 568 </handler> | |
| 569 <handler event="keypress" keycode="VK_PAGE_UP" modifiers="control shift any" | |
| 570 group="system"> | |
| 571 <![CDATA[ | |
| 572 this._mayReverse = true; | |
| 573 this._moveByOffsetFromUserEvent(this.scrollOnePage(-1), event); | |
| 574 this._mayReverse = false; | |
| 575 ]]> | |
| 576 </handler> | |
| 577 <handler event="keypress" keycode="VK_PAGE_DOWN" modifiers="control shift any" | |
| 578 group="system"> | |
| 579 <![CDATA[ | |
| 580 this._mayReverse = true; | |
| 581 this._moveByOffsetFromUserEvent(this.scrollOnePage(1), event); | |
| 582 this._mayReverse = false; | |
| 583 ]]> | |
| 584 </handler> | |
| 585 <handler event="keypress" key=" " modifiers="control" phase="target"> | |
| 586 <![CDATA[ | |
| 587 if (this.currentItem && this.selType == "multiple") | |
| 588 this.toggleItemSelection(this.currentItem); | |
| 589 ]]> | |
| 590 </handler> | |
| 591 <handler event="focus"> | |
| 592 <![CDATA[ | |
| 593 if (this.getRowCount() > 0) { | |
| 594 if (this.currentIndex == -1) { | |
| 595 this.currentIndex = this.getIndexOfFirstVisibleRow(); | |
| 596 } | |
| 597 else { | |
| 598 this.currentItem._fireEvent("DOMMenuItemActive"); | |
| 599 } | |
| 600 } | |
| 601 this._lastKeyTime = 0; | |
| 602 ]]> | |
| 603 </handler> | |
| 604 <handler event="keypress" phase="target"> | |
| 605 <![CDATA[ | |
| 606 if (this.disableKeyNavigation || !event.charCode || | |
| 607 event.altKey || event.ctrlKey || event.metaKey) | |
| 608 return; | |
| 609 | |
| 610 if (event.timeStamp - this._lastKeyTime > 1000) | |
| 611 this._incrementalString = ""; | |
| 612 | |
| 613 var key = String.fromCharCode(event.charCode).toLowerCase(); | |
| 614 this._incrementalString += key; | |
| 615 this._lastKeyTime = event.timeStamp; | |
| 616 | |
| 617 // If all letters in the incremental string are the same, just | |
| 618 // try to match the first one | |
| 619 var incrementalString = /^(.)\1+$/.test(this._incrementalString) ? | |
| 620 RegExp.$1 : this._incrementalString; | |
| 621 var length = incrementalString.length; | |
| 622 | |
| 623 var rowCount = this.getRowCount(); | |
| 624 var l = this.selectedItems.length; | |
| 625 var start = l > 0 ? this.getIndexOfItem(this.selectedItems[l - 1]) : -1; | |
| 626 // start from the first element if none was selected or from the one | |
| 627 // following the selected one if it's a new or a repeated-letter search | |
| 628 if (start == -1 || length == 1) | |
| 629 start++; | |
| 630 | |
| 631 for (var i = 0; i < rowCount; i++) { | |
| 632 var k = (start + i) % rowCount; | |
| 633 var listitem = this.getItemAtIndex(k); | |
| 634 if (!this._canUserSelect(listitem)) | |
| 635 continue; | |
| 636 // allow richlistitems to specify the string being searched for | |
| 637 var searchText = "searchLabel" in listitem ? listitem.searchLabel : | |
| 638 listitem.getAttribute("label"); // (see also bug 250123) | |
| 639 searchText = searchText.substring(0, length).toLowerCase(); | |
| 640 if (searchText == incrementalString) { | |
| 641 this.ensureIndexIsVisible(k); | |
| 642 this.timedSelect(listitem, this._selectDelay); | |
| 643 break; | |
| 644 } | |
| 645 } | |
| 646 ]]> | |
| 647 </handler> | |
| 648 </handlers> | |
| 649 </binding> | |
| 650 | |
| 651 | |
| 652 <!-- Binding for xul:listbox element. | |
| 653 --> | |
| 654 <binding id="listbox" | |
| 655 extends="#listbox-base"> | |
| 656 | |
| 657 <resources> | |
| 658 <stylesheet src="chrome://global/skin/listbox.css"/> | |
| 659 </resources> | |
| 660 | |
| 661 <content> | |
| 662 <children includes="listcols"> | |
| 663 <xul:listcols> | |
| 664 <xul:listcol flex="1"/> | |
| 665 </xul:listcols> | |
| 666 </children> | |
| 667 <xul:listrows> | |
| 668 <children includes="listhead"/> | |
| 669 <xul:listboxbody xbl:inherits="rows,size,minheight"> | |
| 670 <children includes="listitem"/> | |
| 671 </xul:listboxbody> | |
| 672 </xul:listrows> | |
| 673 </content> | |
| 674 | |
| 675 <implementation> | |
| 676 | |
| 677 <!-- ///////////////// public listbox members ///////////////// --> | |
| 678 | |
| 679 <property name="listBoxObject" | |
| 680 onget="return this.boxObject.QueryInterface(Components.interfaces.nsIListBoxObject);" | |
| 681 readonly="true"/> | |
| 682 | |
| 683 <!-- ///////////////// private listbox members ///////////////// --> | |
| 684 | |
| 685 <method name="_fireOnSelect"> | |
| 686 <body> | |
| 687 <![CDATA[ | |
| 688 if (!this._suppressOnSelect && !this.suppressOnSelect) { | |
| 689 var event = document.createEvent("Events"); | |
| 690 event.initEvent("select", true, true); | |
| 691 this.dispatchEvent(event); | |
| 692 } | |
| 693 ]]> | |
| 694 </body> | |
| 695 </method> | |
| 696 | |
| 697 <constructor> | |
| 698 <![CDATA[ | |
| 699 var count = this.itemCount; | |
| 700 for (var index = 0; index < count; index++) { | |
| 701 var item = this.getItemAtIndex(index); | |
| 702 if (item.getAttribute("selected") == "true") | |
| 703 this.selectedItems.push(item); | |
| 704 } | |
| 705 ]]> | |
| 706 </constructor> | |
| 707 | |
| 708 <!-- ///////////////// nsIDOMXULSelectControlElement ///////////////// --> | |
| 709 | |
| 710 <method name="appendItem"> | |
| 711 <parameter name="aLabel"/> | |
| 712 <parameter name="aValue"/> | |
| 713 <body> | |
| 714 const XULNS = | |
| 715 "http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"; | |
| 716 | |
| 717 var item = this.ownerDocument.createElementNS(XULNS, "listitem"); | |
| 718 item.setAttribute("label", aLabel); | |
| 719 item.setAttribute("value", aValue); | |
| 720 this.appendChild(item); | |
| 721 return item; | |
| 722 </body> | |
| 723 </method> | |
| 724 | |
| 725 <method name="insertItemAt"> | |
| 726 <parameter name="aIndex"/> | |
| 727 <parameter name="aLabel"/> | |
| 728 <parameter name="aValue"/> | |
| 729 <body> | |
| 730 const XULNS = | |
| 731 "http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"; | |
| 732 | |
| 733 var item = this.ownerDocument.createElementNS(XULNS, "listitem"); | |
| 734 item.setAttribute("label", aLabel); | |
| 735 item.setAttribute("value", aValue); | |
| 736 var before = this.getItemAtIndex(aIndex); | |
| 737 if (before) | |
| 738 this.insertBefore(item, before); | |
| 739 else | |
| 740 this.appendChild(item); | |
| 741 return item; | |
| 742 </body> | |
| 743 </method> | |
| 744 | |
| 745 <property name="itemCount" readonly="true" | |
| 746 onget="return this.listBoxObject.getRowCount()"/> | |
| 747 | |
| 748 <!-- ///////////////// nsIListBoxObject ///////////////// --> | |
| 749 <method name="getIndexOfItem"> | |
| 750 <parameter name="item"/> | |
| 751 <body> | |
| 752 return this.listBoxObject.getIndexOfItem(item); | |
| 753 </body> | |
| 754 </method> | |
| 755 <method name="getItemAtIndex"> | |
| 756 <parameter name="index"/> | |
| 757 <body> | |
| 758 return this.listBoxObject.getItemAtIndex(index); | |
| 759 </body> | |
| 760 </method> | |
| 761 <method name="ensureIndexIsVisible"> | |
| 762 <parameter name="index"/> | |
| 763 <body> | |
| 764 return this.listBoxObject.ensureIndexIsVisible(index); | |
| 765 </body> | |
| 766 </method> | |
| 767 <method name="ensureElementIsVisible"> | |
| 768 <parameter name="element"/> | |
| 769 <body> | |
| 770 return this.ensureIndexIsVisible(this.listBoxObject.getIndexOfItem(element)); | |
| 771 </body> | |
| 772 </method> | |
| 773 <method name="scrollToIndex"> | |
| 774 <parameter name="index"/> | |
| 775 <body> | |
| 776 return this.listBoxObject.scrollToIndex(index); | |
| 777 </body> | |
| 778 </method> | |
| 779 <method name="getNumberOfVisibleRows"> | |
| 780 <body> | |
| 781 return this.listBoxObject.getNumberOfVisibleRows(); | |
| 782 </body> | |
| 783 </method> | |
| 784 <method name="getIndexOfFirstVisibleRow"> | |
| 785 <body> | |
| 786 return this.listBoxObject.getIndexOfFirstVisibleRow(); | |
| 787 </body> | |
| 788 </method> | |
| 789 <method name="getRowCount"> | |
| 790 <body> | |
| 791 return this.listBoxObject.getRowCount(); | |
| 792 </body> | |
| 793 </method> | |
| 794 | |
| 795 <method name="scrollOnePage"> | |
| 796 <parameter name="direction"/> <!-- Must be -1 or 1 --> | |
| 797 <body> | |
| 798 <![CDATA[ | |
| 799 var pageOffset = this.getNumberOfVisibleRows() * direction; | |
| 800 // skip over invisible elements - the user won't care about them | |
| 801 for (var i = 0; i != pageOffset; i += direction) { | |
| 802 var item = this.getItemAtIndex(this.currentIndex + i); | |
| 803 if (item && !this._canUserSelect(item)) | |
| 804 pageOffset += direction; | |
| 805 } | |
| 806 var newTop = this.getIndexOfFirstVisibleRow() + pageOffset; | |
| 807 if (direction == 1) { | |
| 808 var maxTop = this.getRowCount() - this.getNumberOfVisibleRows(); | |
| 809 for (i = this.getRowCount(); i >= 0 && i > maxTop; i--) { | |
| 810 item = this.getItemAtIndex(i); | |
| 811 if (item && !this._canUserSelect(item)) | |
| 812 maxTop--; | |
| 813 } | |
| 814 if (newTop >= maxTop) | |
| 815 newTop = maxTop; | |
| 816 } | |
| 817 if (newTop < 0) | |
| 818 newTop = 0; | |
| 819 this.scrollToIndex(newTop); | |
| 820 return pageOffset; | |
| 821 ]]> | |
| 822 </body> | |
| 823 </method> | |
| 824 </implementation> | |
| 825 | |
| 826 <handlers> | |
| 827 <handler event="keypress" key=" " phase="target"> | |
| 828 <![CDATA[ | |
| 829 if (this.currentItem) { | |
| 830 if (this.currentItem.getAttribute("type") != "checkbox") | |
| 831 this.addItemToSelection(this.currentItem); | |
| 832 else if (!this.currentItem.disabled) { | |
| 833 this.currentItem.checked = !this.currentItem.checked; | |
| 834 this.currentItem.doCommand(); | |
| 835 } | |
| 836 } | |
| 837 ]]> | |
| 838 </handler> | |
| 839 | |
| 840 <handler event="MozSwipeGesture"> | |
| 841 <![CDATA[ | |
| 842 // Figure out which index to show | |
| 843 let targetIndex = 0; | |
| 844 | |
| 845 // Only handle swipe gestures up and down | |
| 846 switch (event.direction) { | |
| 847 case event.DIRECTION_DOWN: | |
| 848 targetIndex = this.itemCount - 1; | |
| 849 // Fall through for actual action | |
| 850 case event.DIRECTION_UP: | |
| 851 this.ensureIndexIsVisible(targetIndex); | |
| 852 break; | |
| 853 } | |
| 854 ]]> | |
| 855 </handler> | |
| 856 </handlers> | |
| 857 </binding> | |
| 858 | |
| 859 <binding id="listrows"> | |
| 860 | |
| 861 <resources> | |
| 862 <stylesheet src="chrome://global/skin/listbox.css"/> | |
| 863 </resources> | |
| 864 | |
| 865 <handlers> | |
| 866 <handler event="DOMMouseScroll" phase="capturing"> | |
| 867 <![CDATA[ | |
| 868 if (event.axis == event.HORIZONTAL_AXIS) | |
| 869 return; | |
| 870 | |
| 871 var listBox = this.parentNode.listBoxObject; | |
| 872 var rows = event.detail; | |
| 873 if (rows == UIEvent.SCROLL_PAGE_UP) | |
| 874 rows = -listBox.getNumberOfVisibleRows(); | |
| 875 else if (rows == UIEvent.SCROLL_PAGE_DOWN) | |
| 876 rows = listBox.getNumberOfVisibleRows(); | |
| 877 | |
| 878 listBox.scrollByLines(rows); | |
| 879 event.preventDefault(); | |
| 880 ]]> | |
| 881 </handler> | |
| 882 | |
| 883 <handler event="MozMousePixelScroll" phase="capturing"> | |
| 884 <![CDATA[ | |
| 885 if (event.axis == event.HORIZONTAL_AXIS) | |
| 886 return; | |
| 887 | |
| 888 // shouldn't be scrolled by pixel scrolling events before a line/page | |
| 889 // scrolling event. | |
| 890 event.preventDefault(); | |
| 891 ]]> | |
| 892 </handler> | |
| 893 </handlers> | |
| 894 </binding> | |
| 895 | |
| 896 <binding id="listitem" role="xul:listitem" | |
| 897 extends="chrome://global/content/bindings/general.xml#basetext"> | |
| 898 <resources> | |
| 899 <stylesheet src="chrome://global/skin/listbox.css"/> | |
| 900 </resources> | |
| 901 | |
| 902 <content> | |
| 903 <children> | |
| 904 <xul:listcell xbl:inherits="label,crop,disabled,flexlabel"/> | |
| 905 </children> | |
| 906 </content> | |
| 907 | |
| 908 <implementation implements="nsIDOMXULSelectControlItemElement"> | |
| 909 <property name="current" onget="return this.getAttribute('current') == 'true';"> | |
| 910 <setter><![CDATA[ | |
| 911 if (val) | |
| 912 this.setAttribute("current", "true"); | |
| 913 else | |
| 914 this.removeAttribute("current"); | |
| 915 | |
| 916 this._fireEvent(val ? "DOMMenuItemActive" : "DOMMenuItemInactive"); | |
| 917 | |
| 918 return val; | |
| 919 ]]></setter> | |
| 920 </property> | |
| 921 | |
| 922 <!-- ///////////////// nsIDOMXULSelectControlItemElement ///////////////// --> | |
| 923 | |
| 924 <property name="value" onget="return this.getAttribute('value');" | |
| 925 onset="this.setAttribute('value', val); return val;"/> | |
| 926 <property name="label" onget="return this.getAttribute('label');" | |
| 927 onset="this.setAttribute('label', val); return val;"/> | |
| 928 | |
| 929 <property name="selected" onget="return this.getAttribute('selected') == 'true';"> | |
| 930 <setter><![CDATA[ | |
| 931 if (val) | |
| 932 this.setAttribute("selected", "true"); | |
| 933 else | |
| 934 this.removeAttribute("selected"); | |
| 935 | |
| 936 return val; | |
| 937 ]]></setter> | |
| 938 </property> | |
| 939 | |
| 940 <property name="control"> | |
| 941 <getter><![CDATA[ | |
| 942 var parent = this.parentNode; | |
| 943 while (parent) { | |
| 944 if (parent instanceof Components.interfaces.nsIDOMXULSelectControlElement) | |
| 945 return parent; | |
| 946 parent = parent.parentNode; | |
| 947 } | |
| 948 return null; | |
| 949 ]]></getter> | |
| 950 </property> | |
| 951 | |
| 952 <method name="_fireEvent"> | |
| 953 <parameter name="name"/> | |
| 954 <body> | |
| 955 <![CDATA[ | |
| 956 var event = document.createEvent("Events"); | |
| 957 event.initEvent(name, true, true); | |
| 958 this.dispatchEvent(event); | |
| 959 ]]> | |
| 960 </body> | |
| 961 </method> | |
| 962 </implementation> | |
| 963 <handlers> | |
| 964 <!-- If there is no modifier key, we select on mousedown, not | |
| 965 click, so that drags work correctly. --> | |
| 966 <handler event="mousedown"> | |
| 967 <![CDATA[ | |
| 968 var control = this.control; | |
| 969 if (!control || control.disabled) | |
| 970 return; | |
| 971 if ((!event.ctrlKey | |
| 972 #ifdef XP_MACOSX | |
| 973 || event.button == 2 | |
| 974 #endif | |
| 975 ) && !event.shiftKey && !event.metaKey) { | |
| 976 if (!this.selected) { | |
| 977 control.selectItem(this); | |
| 978 } | |
| 979 control.currentItem = this; | |
| 980 } | |
| 981 ]]> | |
| 982 </handler> | |
| 983 | |
| 984 <!-- On a click (up+down on the same item), deselect everything | |
| 985 except this item. --> | |
| 986 <handler event="click" button="0"> | |
| 987 <![CDATA[ | |
| 988 var control = this.control; | |
| 989 if (!control || control.disabled) | |
| 990 return; | |
| 991 control._userSelecting = true; | |
| 992 if (control.selType != "multiple") { | |
| 993 control.selectItem(this); | |
| 994 } | |
| 995 else if (event.ctrlKey || event.metaKey) { | |
| 996 control.toggleItemSelection(this); | |
| 997 control.currentItem = this; | |
| 998 } | |
| 999 else if (event.shiftKey) { | |
| 1000 control.selectItemRange(null, this); | |
| 1001 control.currentItem = this; | |
| 1002 } | |
| 1003 else { | |
| 1004 /* We want to deselect all the selected items except what was | |
| 1005 clicked, UNLESS it was a right-click. We have to do this | |
| 1006 in click rather than mousedown so that you can drag a | |
| 1007 selected group of items */ | |
| 1008 | |
| 1009 // use selectItemRange instead of selectItem, because this | |
| 1010 // doesn't de- and reselect this item if it is selected | |
| 1011 control.selectItemRange(this, this); | |
| 1012 } | |
| 1013 control._userSelecting = false; | |
| 1014 ]]> | |
| 1015 </handler> | |
| 1016 </handlers> | |
| 1017 </binding> | |
| 1018 | |
| 1019 <binding id="listitem-iconic" | |
| 1020 extends="chrome://global/content/bindings/listbox.xml#listitem"> | |
| 1021 <content> | |
| 1022 <children> | |
| 1023 <xul:listcell class="listcell-iconic" xbl:inherits="label,image,crop,disabled,flexlabel"/> | |
| 1024 </children> | |
| 1025 </content> | |
| 1026 </binding> | |
| 1027 | |
| 1028 <binding id="listitem-checkbox" | |
| 1029 extends="chrome://global/content/bindings/listbox.xml#listitem"> | |
| 1030 <content> | |
| 1031 <children> | |
| 1032 <xul:listcell type="checkbox" xbl:inherits="label,crop,checked,disabled,flexlabel"/> | |
| 1033 </children> | |
| 1034 </content> | |
| 1035 | |
| 1036 <implementation> | |
| 1037 <property name="checked" | |
| 1038 onget="return this.getAttribute('checked') == 'true';"> | |
| 1039 <setter><![CDATA[ | |
| 1040 if (val) | |
| 1041 this.setAttribute('checked', 'true'); | |
| 1042 else | |
| 1043 this.removeAttribute('checked'); | |
| 1044 var event = document.createEvent('Events'); | |
| 1045 event.initEvent('CheckboxStateChange', true, true); | |
| 1046 this.dispatchEvent(event); | |
| 1047 return val; | |
| 1048 ]]></setter> | |
| 1049 </property> | |
| 1050 </implementation> | |
| 1051 | |
| 1052 <handlers> | |
| 1053 <handler event="mousedown" button="0"> | |
| 1054 <![CDATA[ | |
| 1055 if (!this.disabled && !this.control.disabled) { | |
| 1056 this.checked = !this.checked; | |
| 1057 this.doCommand(); | |
| 1058 } | |
| 1059 ]]> | |
| 1060 </handler> | |
| 1061 </handlers> | |
| 1062 </binding> | |
| 1063 | |
| 1064 <binding id="listitem-checkbox-iconic" | |
| 1065 extends="chrome://global/content/bindings/listbox.xml#listitem-checkbox"> | |
| 1066 <content> | |
| 1067 <children> | |
| 1068 <xul:listcell type="checkbox" class="listcell-iconic" xbl:inherits="label,image,crop,checked,disabled,flexlabel"/> | |
| 1069 </children> | |
| 1070 </content> | |
| 1071 </binding> | |
| 1072 | |
| 1073 <binding id="listcell" role="xul:listcell" | |
| 1074 extends="chrome://global/content/bindings/general.xml#basecontrol"> | |
| 1075 | |
| 1076 <resources> | |
| 1077 <stylesheet src="chrome://global/skin/listbox.css"/> | |
| 1078 </resources> | |
| 1079 | |
| 1080 <content> | |
| 1081 <children> | |
| 1082 <xul:label class="listcell-label" xbl:inherits="value=label,flex=flexlabel,crop,disabled" flex="1" crop="right"/> | |
| 1083 </children> | |
| 1084 </content> | |
| 1085 </binding> | |
| 1086 | |
| 1087 <binding id="listcell-iconic" | |
| 1088 extends="chrome://global/content/bindings/listbox.xml#listcell"> | |
| 1089 <content> | |
| 1090 <children> | |
| 1091 <xul:image class="listcell-icon" xbl:inherits="src=image"/> | |
| 1092 <xul:label class="listcell-label" xbl:inherits="value=label,flex=flexlabel,crop,disabled" flex="1" crop="right"/> | |
| 1093 </children> | |
| 1094 </content> | |
| 1095 </binding> | |
| 1096 | |
| 1097 <binding id="listcell-checkbox" | |
| 1098 extends="chrome://global/content/bindings/listbox.xml#listcell"> | |
| 1099 <content> | |
| 1100 <children> | |
| 1101 <xul:image class="listcell-check" xbl:inherits="checked,disabled"/> | |
| 1102 <xul:label class="listcell-label" xbl:inherits="value=label,flex=flexlabel,crop,disabled" flex="1" crop="right"/> | |
| 1103 </children> | |
| 1104 </content> | |
| 1105 </binding> | |
| 1106 | |
| 1107 <binding id="listcell-checkbox-iconic" | |
| 1108 extends="chrome://global/content/bindings/listbox.xml#listcell-checkbox"> | |
| 1109 <content> | |
| 1110 <children> | |
| 1111 <xul:image class="listcell-check" xbl:inherits="checked,disabled"/> | |
| 1112 <xul:image class="listcell-icon" xbl:inherits="src=image"/> | |
| 1113 <xul:label class="listcell-label" xbl:inherits="value=label,flex=flexlabel,crop,disabled" flex="1" crop="right"/> | |
| 1114 </children> | |
| 1115 </content> | |
| 1116 </binding> | |
| 1117 | |
| 1118 <binding id="listhead" role="xul:listhead"> | |
| 1119 | |
| 1120 <resources> | |
| 1121 <stylesheet src="chrome://global/skin/listbox.css"/> | |
| 1122 </resources> | |
| 1123 | |
| 1124 <content> | |
| 1125 <xul:listheaditem> | |
| 1126 <children includes="listheader"/> | |
| 1127 </xul:listheaditem> | |
| 1128 </content> | |
| 1129 </binding> | |
| 1130 | |
| 1131 <binding id="listheader" display="xul:button" role="xul:listheader"> | |
| 1132 | |
| 1133 <resources> | |
| 1134 <stylesheet src="chrome://global/skin/listbox.css"/> | |
| 1135 </resources> | |
| 1136 | |
| 1137 <content> | |
| 1138 <xul:image class="listheader-icon"/> | |
| 1139 <xul:label class="listheader-label" xbl:inherits="value=label,crop" flex="1" crop="right"/> | |
| 1140 <xul:image class="listheader-sortdirection" xbl:inherits="sortDirection"/> | |
| 1141 </content> | |
| 1142 </binding> | |
| 1143 | |
| 1144 </bindings> | |
| 1145 |
