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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 | define([ 'dojo/_base/declare', 'dojo/aspect', 'dojo/dom-class', 'dojo/mouse', 'dojo/on', 'dojo/sniff', 'dojo/has!touch?./util/touch', 'dojo/query', // for on.selector 'dojo/dom' // for has('css-user-select') in 1.8.2+ ], function (declare, aspect, domClass, mouse, on, has, touchUtil) { has.add('dom-comparedocumentposition', function (global, doc, element) { return !!element.compareDocumentPosition; }); // Add a feature test for the onselectstart event, which offers a more // graceful fallback solution than node.unselectable. has.add('dom-selectstart', typeof document.onselectstart !== 'undefined'); var ctrlEquiv = has('mac') ? 'metaKey' : 'ctrlKey', hasUserSelect = has('css-user-select'), hasPointer = has('pointer'), hasMSPointer = hasPointer && hasPointer.slice(0, 2) === 'MS', downType = hasPointer ? hasPointer + (hasMSPointer ? 'Down' : 'down') : 'mousedown', upType = hasPointer ? hasPointer + (hasMSPointer ? 'Up' : 'up') : 'mouseup'; if (hasUserSelect === 'WebkitUserSelect' && typeof document.documentElement.style.msUserSelect !== 'undefined') { // Edge defines both webkit and ms prefixes, rendering feature detects as brittle as UA sniffs... hasUserSelect = false; } function makeUnselectable(node, unselectable) { // Utility function used in fallback path for recursively setting unselectable var value = node.unselectable = unselectable ? 'on' : '', elements = node.getElementsByTagName('*'), i = elements.length; while (--i) { if (elements[i].tagName === 'INPUT' || elements[i].tagName === 'TEXTAREA') { continue; // Don't prevent text selection in text input fields. } elements[i].unselectable = value; } } function setSelectable(grid, selectable) { // Alternative version of dojo/dom.setSelectable based on feature detection. // For FF < 21, use -moz-none, which will respect -moz-user-select: text on // child elements (e.g. form inputs). In FF 21, none behaves the same. // See https://developer.mozilla.org/en-US/docs/CSS/user-select var node = grid.bodyNode, value = selectable ? 'text' : has('ff') < 21 ? '-moz-none' : 'none'; // In IE10+, -ms-user-select: none will block selection from starting within the // element, but will not block an existing selection from entering the element. // When using a modifier key, IE will select text inside of the element as well // as outside of the element, because it thinks the selection started outside. // Therefore, fall back to other means of blocking selection for IE10+. // Newer versions of Dojo do not even report msUserSelect (see https://github.com/dojo/dojo/commit/7ae2a43). if (hasUserSelect && hasUserSelect !== 'msUserSelect') { node.style[hasUserSelect] = value; } else if (has('dom-selectstart')) { // For browsers that don't support user-select but support selectstart (IE<10), // we can hook up an event handler as necessary. Since selectstart bubbles, // it will handle any child elements as well. // Note, however, that both this and the unselectable fallback below are // incapable of preventing text selection from outside the targeted node. if (!selectable && !grid._selectstartHandle) { grid._selectstartHandle = on(node, 'selectstart', function (evt) { var tag = evt.target && evt.target.tagName; // Prevent selection except where a text input field is involved. if (tag !== 'INPUT' && tag !== 'TEXTAREA') { evt.preventDefault(); } }); } else if (selectable && grid._selectstartHandle) { grid._selectstartHandle.remove(); delete grid._selectstartHandle; } } else { // For browsers that don't support either user-select or selectstart (Opera), // we need to resort to setting the unselectable attribute on all nodes // involved. Since this doesn't automatically apply to child nodes, we also // need to re-apply it whenever rows are rendered. makeUnselectable(node, !selectable); if (!selectable && !grid._unselectableHandle) { grid._unselectableHandle = aspect.after(grid, 'renderRow', function (row) { makeUnselectable(row, true); return row; }); } else if (selectable && grid._unselectableHandle) { grid._unselectableHandle.remove(); delete grid._unselectableHandle; } } } return declare(null, { // summary: // Add selection capabilities to a grid. The grid will have a selection property and // fire "dgrid-select" and "dgrid-deselect" events. // selectionDelegate: String // Selector to delegate to as target of selection events. selectionDelegate: '.dgrid-row', // selectionEvents: String|Function // Event (or comma-delimited events, or extension event) to listen on // to trigger select logic. selectionEvents: downType + ',' + upType + ',dgrid-cellfocusin', // selectionTouchEvents: String|Function // Event (or comma-delimited events, or extension event) to listen on // in addition to selectionEvents for touch devices. selectionTouchEvents: has('touch') ? touchUtil.tap : null, // deselectOnRefresh: Boolean // If true, the selection object will be cleared when refresh is called. deselectOnRefresh: true, // allowSelectAll: Boolean // If true, allow ctrl/cmd+A to select all rows. // Also consulted by the selector plugin for showing select-all checkbox. allowSelectAll: false, // selection: // An object where the property names correspond to // object ids and values are true or false depending on whether an item is selected selection: {}, // selectionMode: String // The selection mode to use, can be "none", "multiple", "single", or "extended". selectionMode: 'extended', // allowTextSelection: Boolean // Whether to still allow text within cells to be selected. The default // behavior is to allow text selection only when selectionMode is none; // setting this property to either true or false will explicitly set the // behavior regardless of selectionMode. allowTextSelection: undefined, // _selectionTargetType: String // Indicates the property added to emitted events for selected targets; // overridden in CellSelection _selectionTargetType: 'rows', create: function () { this.selection = {}; return this.inherited(arguments); }, postCreate: function () { this.inherited(arguments); this._initSelectionEvents(); // Force selectionMode setter to run var selectionMode = this.selectionMode; this.selectionMode = ''; this._setSelectionMode(selectionMode); }, destroy: function () { this.inherited(arguments); // Remove any extra handles added by Selection. if (this._selectstartHandle) { this._selectstartHandle.remove(); } if (this._unselectableHandle) { this._unselectableHandle.remove(); } if (this._removeDeselectSignals) { this._removeDeselectSignals(); } }, _setSelectionMode: function (mode) { // summary: // Updates selectionMode, resetting necessary variables. if (mode === this.selectionMode) { return; } // Start selection fresh when switching mode. this.clearSelection(); this.selectionMode = mode; // Compute name of selection handler for this mode once // (in the form of _fooSelectionHandler) this._selectionHandlerName = '_' + mode + 'SelectionHandler'; // Also re-run allowTextSelection setter in case it is in automatic mode. this._setAllowTextSelection(this.allowTextSelection); }, _setAllowTextSelection: function (allow) { if (typeof allow !== 'undefined') { setSelectable(this, allow); } else { setSelectable(this, this.selectionMode === 'none'); } this.allowTextSelection = allow; }, _handleSelect: function (event, target) { if (mouse.isRight(event)) { return; } // Don't run if selection mode doesn't have a handler (incl. "none"), target can't be selected, // or if coming from a dgrid-cellfocusin from a mousedown if (!this[this._selectionHandlerName] || !this.allowSelect(this.row(target)) || (event.type === 'dgrid-cellfocusin' && event.parentType === 'mousedown') || (event.type === upType && target !== this._waitForMouseUp)) { return; } this._waitForMouseUp = null; this._selectionTriggerEvent = event; // Don't call select handler for ctrl+navigation if (!event.keyCode || !event.ctrlKey || event.keyCode === 32) { // If clicking a selected item, wait for mouseup so that drag n' drop // is possible without losing our selection if (!event.shiftKey && event.type === downType && this.isSelected(target)) { this._waitForMouseUp = target; } else { this[this._selectionHandlerName](event, target); } } this._selectionTriggerEvent = null; }, _singleSelectionHandler: function (event, target) { // summary: // Selection handler for "single" mode, where only one target may be // selected at a time. var ctrlKey = event.keyCode ? event.ctrlKey : event[ctrlEquiv]; if (this._lastSelected === target) { // Allow ctrl to toggle selection, even within single select mode. this.select(target, null, !ctrlKey || !this.isSelected(target)); } else { this.clearSelection(); this.select(target); this._lastSelected = target; } }, _multipleSelectionHandler: function (event, target) { // summary: // Selection handler for "multiple" mode, where shift can be held to // select ranges, ctrl/cmd can be held to toggle, and clicks/keystrokes // without modifier keys will add to the current selection. var lastRow = this._lastSelected, ctrlKey = event.keyCode ? event.ctrlKey : event[ctrlEquiv], value; if (!event.shiftKey) { // Toggle if ctrl is held; otherwise select value = ctrlKey ? null : true; lastRow = null; } this.select(target, lastRow, value); if (!lastRow) { // Update reference for potential subsequent shift+select // (current row was already selected above) this._lastSelected = target; } }, _extendedSelectionHandler: function (event, target) { // summary: // Selection handler for "extended" mode, which is like multiple mode // except that clicks/keystrokes without modifier keys will clear // the previous selection. // If the target is already selected, and is the sole selection, ignore a user action // that would simply select the target (causing unnecessary deselect/select). if (!event[ctrlEquiv] && this.isSelected(target) && this.getSelectedCount() === 1) { return; } // Clear selection first for right-clicks outside selection and non-ctrl-clicks; // otherwise, extended mode logic is identical to multiple mode if (event.button === 2 ? !this.isSelected(target) : !(event.keyCode ? event.ctrlKey : event[ctrlEquiv])) { this.clearSelection(null, true); } this._multipleSelectionHandler(event, target); }, _toggleSelectionHandler: function (event, target) { // summary: // Selection handler for "toggle" mode which simply toggles the selection // of the given target. Primarily useful for touch input. this.select(target, null, null); }, _initSelectionEvents: function () { // summary: // Performs first-time hookup of event handlers containing logic // required for selection to operate. var grid = this, contentNode = this.contentNode, selector = this.selectionDelegate; this._selectionEventQueues = { deselect: [], select: [] }; if (has('touch') && !has('pointer') && this.selectionTouchEvents) { // Listen for taps, and also for mouse/keyboard, making sure not // to trigger both for the same interaction on(contentNode, touchUtil.selector(selector, this.selectionTouchEvents), function (evt) { grid._handleSelect(evt, this); grid._ignoreMouseSelect = this; }); on(contentNode, on.selector(selector, this.selectionEvents), function (event) { if (grid._ignoreMouseSelect !== this) { grid._handleSelect(event, this); } else if (event.type === upType) { grid._ignoreMouseSelect = null; } }); } else { // Listen for mouse/keyboard actions that should cause selections on(contentNode, on.selector(selector, this.selectionEvents), function (event) { grid._handleSelect(event, this); }); } // Also hook up spacebar (for ctrl+space) if (this.addKeyHandler) { this.addKeyHandler(32, function (event) { grid._handleSelect(event, event.target); }); } // If allowSelectAll is true, bind ctrl/cmd+A to (de)select all rows, // unless the event was received from an editor component. // (Handler further checks against _allowSelectAll, which may be updated // if selectionMode is changed post-init.) if (this.allowSelectAll) { this.on('keydown', function (event) { if (event[ctrlEquiv] && event.keyCode === 65 && !/\bdgrid-input\b/.test(event.target.className)) { event.preventDefault(); grid[grid.allSelected ? 'clearSelection' : 'selectAll'](); } }); } // Update aspects if there is a collection change if (this._setCollection) { this._listeners.push( aspect.before(this, '_setCollection', function (collection) { grid._updateDeselectionAspect(collection); }) ); } this._updateDeselectionAspect(); }, _updateDeselectionAspect: function (collection) { // summary: // Hooks up logic to handle deselection of removed items. // Aspects to a trackable collection's notify method if applicable, // or to the list/grid's removeRow method otherwise. var self = this, signals; function ifSelected(rowArg, methodName) { // Calls a method if the row corresponding to the object is selected. var row = self.row(rowArg), selection = row && self.selection[row.id]; // Is the row currently in the selection list. if (selection) { self[methodName](row); } } // Remove anything previously configured if (this._removeDeselectSignals) { this._removeDeselectSignals(); } if (collection && collection.track && this._observeCollection) { signals = [ aspect.before(this, '_observeCollection', function (collection) { signals.push( collection.on('delete', function (event) { if (typeof event.index === 'undefined') { // Call deselect on the row if the object is being removed. This allows the // deselect event to reference the row element while it still exists in the DOM. ifSelected(event.id, 'deselect'); } }) ); }), aspect.after(this, '_observeCollection', function (collection) { signals.push( collection.on('update', function (event) { if (typeof event.index !== 'undefined') { // When List updates an item, the row element is removed and a new one inserted. // If at this point the object is still in grid.selection, // then call select on the row so the element's CSS is updated. ifSelected(collection.getIdentity(event.target), 'select'); } }) ); }, true) ]; } else { signals = [ aspect.before(this, 'removeRow', function (rowElement, preserveDom) { var row; if (!preserveDom) { row = this.row(rowElement); // if it is a real row removal for a selected item, deselect it if (row && (row.id in this.selection)) { this.deselect(row); } } }) ]; } this._removeDeselectSignals = function () { for (var i = signals.length; i--;) { signals[i].remove(); } signals = []; }; }, allowSelect: function () { // summary: // A method that can be overriden to determine whether or not a row (or // cell) can be selected. By default, all rows (or cells) are selectable. // target: Object // Row object (for Selection) or Cell object (for CellSelection) for the // row/cell in question return true; }, _fireSelectionEvent: function (type) { // summary: // Fires an event for the accumulated rows once a selection // operation is finished (whether singular or for a range) var queue = this._selectionEventQueues[type], triggerEvent = this._selectionTriggerEvent, eventObject; eventObject = { bubbles: true, grid: this }; if (triggerEvent) { eventObject.parentType = triggerEvent.type; } eventObject[this._selectionTargetType] = queue; // Clear the queue so that the next round of (de)selections starts anew this._selectionEventQueues[type] = []; on.emit(this.contentNode, 'dgrid-' + type, eventObject); }, _fireSelectionEvents: function () { var queues = this._selectionEventQueues, type; for (type in queues) { if (queues[type].length) { this._fireSelectionEvent(type); } } }, _select: function (row, toRow, value) { // summary: // Contains logic for determining whether to select targets, but // does not emit events. Called from select, deselect, selectAll, // and clearSelection. var selection, previousValue, element, toElement, direction; if (typeof value === 'undefined') { // default to true value = true; } if (!row.element) { row = this.row(row); } // Check whether we're allowed to select the given row before proceeding. // If a deselect operation is being performed, this check is skipped, // to avoid errors when changing column definitions, and since disabled // rows shouldn't ever be selected anyway. if (value === false || this.allowSelect(row)) { selection = this.selection; previousValue = !!selection[row.id]; if (value === null) { // indicates a toggle value = !previousValue; } element = row.element; if (!value && !this.allSelected) { delete this.selection[row.id]; } else { selection[row.id] = value; } if (element) { // add or remove classes as appropriate if (value) { domClass.add(element, 'dgrid-selected' + (this.addUiClasses ? ' ui-state-active' : '')); } else { domClass.remove(element, 'dgrid-selected ui-state-active'); } } if (value !== previousValue && element) { // add to the queue of row events this._selectionEventQueues[(value ? '' : 'de') + 'select'].push(row); } if (toRow) { if (!toRow.element) { toRow = this.row(toRow); } if (!toRow) { this._lastSelected = element; console.warn('The selection range has been reset because the ' + 'beginning of the selection is no longer in the DOM. ' + 'If you are using OnDemandList, you may wish to increase ' + 'farOffRemoval to avoid this, but note that keeping more nodes ' + 'in the DOM may impact performance.'); return; } toElement = toRow.element; if (toElement) { direction = this._determineSelectionDirection(element, toElement); if (!direction) { // The original element was actually replaced toElement = document.getElementById(toElement.id); direction = this._determineSelectionDirection(element, toElement); } while (row.element !== toElement && (row = this[direction](row))) { this._select(row, null, value); } } } } }, // Implement _determineSelectionDirection differently based on whether the // browser supports element.compareDocumentPosition; use sourceIndex for IE<9 _determineSelectionDirection: has('dom-comparedocumentposition') ? function (from, to) { var result = to.compareDocumentPosition(from); if (result & 1) { return false; // Out of document } return result === 2 ? 'down' : 'up'; } : function (from, to) { if (to.sourceIndex < 1) { return false; // Out of document } return to.sourceIndex > from.sourceIndex ? 'down' : 'up'; }, select: function (row, toRow, value) { // summary: // Selects or deselects the given row or range of rows. // row: Mixed // Row object (or something that can resolve to one) to (de)select // toRow: Mixed // If specified, the inclusive range between row and toRow will // be (de)selected // value: Boolean|Null // Whether to select (true/default), deselect (false), or toggle // (null) the row this._select(row, toRow, value); this._fireSelectionEvents(); }, deselect: function (row, toRow) { // summary: // Deselects the given row or range of rows. // row: Mixed // Row object (or something that can resolve to one) to deselect // toRow: Mixed // If specified, the inclusive range between row and toRow will // be deselected this.select(row, toRow, false); }, clearSelection: function (exceptId, dontResetLastSelected) { // summary: // Deselects any currently-selected items. // exceptId: Mixed? // If specified, the given id will not be deselected. this.allSelected = false; for (var id in this.selection) { if (exceptId !== id) { this._select(id, null, false); } } if (!dontResetLastSelected) { this._lastSelected = null; } this._fireSelectionEvents(); }, selectAll: function () { this.allSelected = true; this.selection = {}; // we do this to clear out pages from previous sorts for (var i in this._rowIdToObject) { var row = this.row(this._rowIdToObject[i]); this._select(row.id, null, true); } this._fireSelectionEvents(); }, getSelectedCount: function () { var count = 0; for (var id in this.selection) { if (id) { count += 1; } } return count; }, isSelected: function (object) { // summary: // Returns true if the indicated row is selected. if (typeof object === 'undefined' || object === null) { return false; } if (!object.element) { object = this.row(object); } // First check whether the given row is indicated in the selection hash; // failing that, check if allSelected is true (testing against the // allowSelect method if possible) return (object.id in this.selection) ? !!this.selection[object.id] : this.allSelected && (!object.data || this.allowSelect(object)); }, refresh: function () { if (this.deselectOnRefresh) { this.clearSelection(); } this._lastSelected = null; return this.inherited(arguments); }, renderArray: function () { var rows = this.inherited(arguments), selection = this.selection, i, row, selected; for (i = 0; i < rows.length; i++) { row = this.row(rows[i]); selected = row.id in selection ? selection[row.id] : this.allSelected; if (selected) { this.select(row, null, selected); } } this._fireSelectionEvents(); return rows; } }); }); |