| 464 | } |
| 465 | |
| 466 | void AccessibleInstanceView::modelChange(QAccessibleTableModelChangeEvent *event) |
| 467 | { |
| 468 | // if there is no cache yet, we don't update anything |
| 469 | if (childToId.isEmpty()) |
| 470 | return; |
| 471 | |
| 472 | switch (event->modelChangeType()) { |
| 473 | case QAccessibleTableModelChangeEvent::ModelReset: |
| 474 | for (QAccessible::Id id : childToId) |
| 475 | QAccessible::deleteAccessibleInterface(id); |
| 476 | childToId.clear(); |
| 477 | break; |
| 478 | |
| 479 | // rows are inserted: move every row after that |
| 480 | case QAccessibleTableModelChangeEvent::RowsInserted: |
| 481 | case QAccessibleTableModelChangeEvent::ColumnsInserted: { |
| 482 | |
| 483 | ChildCache newCache; |
| 484 | ChildCache::ConstIterator iter = childToId.constBegin(); |
| 485 | |
| 486 | while (iter != childToId.constEnd()) { |
| 487 | QAccessible::Id id = iter.value(); |
| 488 | QAccessibleInterface *iface = QAccessible::accessibleInterface(id); |
| 489 | Q_ASSERT(iface); |
| 490 | if (indexOfChild(iface) >= 0) { |
| 491 | newCache.insert(indexOfChild(iface), id); |
| 492 | } else { |
| 493 | // ### This should really not happen, |
| 494 | // but it might if the view has a root index set. |
| 495 | // This needs to be fixed. |
| 496 | QAccessible::deleteAccessibleInterface(id); |
| 497 | } |
| 498 | ++iter; |
| 499 | } |
| 500 | childToId = newCache; |
| 501 | break; |
| 502 | } |
| 503 | |
| 504 | case QAccessibleTableModelChangeEvent::ColumnsRemoved: |
| 505 | case QAccessibleTableModelChangeEvent::RowsRemoved: { |
| 506 | ChildCache newCache; |
| 507 | ChildCache::ConstIterator iter = childToId.constBegin(); |
| 508 | while (iter != childToId.constEnd()) { |
| 509 | QAccessible::Id id = iter.value(); |
| 510 | QAccessibleInterface *iface = QAccessible::accessibleInterface(id); |
| 511 | Q_ASSERT(iface); |
| 512 | if (iface->role() == QAccessible::Cell || iface->role() == QAccessible::ListItem) { |
| 513 | Q_ASSERT(iface->tableCellInterface()); |
| 514 | AccessibleInstanceViewItem *cell = static_cast<AccessibleInstanceViewItem*>(iface->tableCellInterface()); |
| 515 | // Since it is a QPersistentModelIndex, we only need to check if it is valid |
| 516 | if (cell->m_index.isValid()) |
| 517 | newCache.insert(indexOfChild(cell), id); |
| 518 | else |
| 519 | QAccessible::deleteAccessibleInterface(id); |
| 520 | } |
| 521 | ++iter; |
| 522 | } |
| 523 | childToId = newCache; |