{
qDeleteAll(m_itemData);
qDeleteAll(m_filteredItems.values());
+ qDeleteAll(m_pendingItemsToInsert);
}
void KFileItemModel::loadDirectory(const KUrl& url)
void KFileItemModel::refreshDirectory(const KUrl& url)
{
// Refresh all expanded directories first (Bug 295300)
- foreach (const KUrl& expandedUrl, m_expandedDirs) {
- m_dirLister->openUrl(expandedUrl, KDirLister::Reload);
+ QHashIterator<KUrl, KUrl> expandedDirs(m_expandedDirs);
+ while (expandedDirs.hasNext()) {
+ expandedDirs.next();
+ m_dirLister->openUrl(expandedDirs.value(), KDirLister::Reload);
}
m_dirLister->openUrl(url, KDirLister::Reload);
QHashIterator<QByteArray, QVariant> it(values);
while (it.hasNext()) {
it.next();
- const QByteArray role = it.key();
+ const QByteArray role = sharedValue(it.key());
const QVariant value = it.value();
if (currentValues[role] != value) {
emit itemsChanged(KItemRangeList() << KItemRange(index, 1), changedRoles);
- if (changedRoles.contains(sortRole())) {
- m_resortAllItemsTimer->start();
+ // Trigger a resorting if the item's correct position has changed. Note
+ // that this can happen even if the sort role has not changed at all
+ // because the file name can be used as a fallback.
+ if (changedRoles.contains(sortRole()) || changedRoles.contains(roleForType(NameRole))) {
+ // Compare the changed item with its neighbors to see
+ // if an expensive resorting is needed at all.
+ const ItemData* changedItem = m_itemData.at(index);
+ const ItemData* previousItem = (index == 0) ? 0 : m_itemData.at(index - 1);
+ const ItemData* nextItem = (index == m_itemData.count() - 1) ? 0 : m_itemData.at(index + 1);
+
+ if ((previousItem && lessThan(changedItem, previousItem))
+ || (nextItem && lessThan(nextItem, changedItem))) {
+ m_resortAllItemsTimer->start();
+ } else if (groupedSorting() && changedRoles.contains(sortRole())) {
+ // The position is still correct, but the groups might have changed
+ // if the changed item is either the first or the last item in a
+ // group.
+ // In principle, we could try to find out if the item really is the
+ // first or last one in its group and then update the groups
+ // (possibly with a delayed timer to make sure that we don't
+ // re-calculate the groups very often if items are updated one by
+ // one), but starting m_resortAllItemsTimer is easier.
+ m_resortAllItemsTimer->start();
+ }
}
return true;
const int index = it.next();
const KFileItem item = fileItem(index);
if (!item.isNull()) {
- urls << item.url();
+ urls << item.targetUrl();
bool isLocal;
mostLocalUrls << item.mostLocalUrl(isLocal);
}
QHash<QByteArray, QVariant> values;
- values.insert("isExpanded", expanded);
+ values.insert(sharedValue("isExpanded"), expanded);
if (!setData(index, values)) {
return false;
}
const KFileItem item = m_itemData.at(index)->item;
const KUrl url = item.url();
+ const KUrl targetUrl = item.targetUrl();
if (expanded) {
- m_expandedDirs.insert(url);
+ m_expandedDirs.insert(targetUrl, url);
m_dirLister->openUrl(url, KDirLister::Keep);
} else {
- m_expandedDirs.remove(url);
+ m_expandedDirs.remove(targetUrl);
m_dirLister->stop(url);
removeFilteredChildren(KFileItemList() << item);
QSet<KUrl> KFileItemModel::expandedDirectories() const
{
- return m_expandedDirs;
+ return m_expandedDirs.values().toSet();
}
void KFileItemModel::restoreExpandedDirectories(const QSet<KUrl>& urls)
Q_UNUSED(previous);
m_sortRole = typeForRole(current);
-#ifdef KFILEITEMMODEL_DEBUG
if (!m_requestRole[m_sortRole]) {
- kWarning() << "The sort-role has been changed to a role that has not been received yet";
+ QSet<QByteArray> newRoles = m_roles;
+ newRoles << current;
+ setRoles(newRoles);
}
-#endif
resortAllItems();
}
oldUrls.append(itemData->item.url());
}
- m_groups.clear();
m_items.clear();
// Resort the items
m_items.insert(m_itemData.at(i)->item.url(), i);
}
- // Determine the indexes that have been moved
- QList<int> movedToIndexes;
- movedToIndexes.reserve(itemCount);
- for (int i = 0; i < itemCount; i++) {
- const int newIndex = m_items.value(oldUrls.at(i).url());
- movedToIndexes.append(newIndex);
+ // Determine the first index that has been moved.
+ int firstMovedIndex = 0;
+ while (firstMovedIndex < itemCount
+ && firstMovedIndex == m_items.value(oldUrls.at(firstMovedIndex))) {
+ ++firstMovedIndex;
}
- // Don't check whether items have really been moved and always emit a
- // itemsMoved() signal after resorting: In case of grouped items
- // the groups might change even if the items themselves don't change their
- // position. Let the receiver of the signal decide whether a check for moved
- // items makes sense.
- emit itemsMoved(KItemRange(0, itemCount), movedToIndexes);
+ const bool itemsHaveMoved = firstMovedIndex < itemCount;
+ if (itemsHaveMoved) {
+ m_groups.clear();
+
+ int lastMovedIndex = itemCount - 1;
+ while (lastMovedIndex > firstMovedIndex
+ && lastMovedIndex == m_items.value(oldUrls.at(lastMovedIndex))) {
+ --lastMovedIndex;
+ }
+
+ Q_ASSERT(firstMovedIndex <= lastMovedIndex);
+
+ // Create a list movedToIndexes, which has the property that
+ // movedToIndexes[i] is the new index of the item with the old index
+ // firstMovedIndex + i.
+ const int movedItemsCount = lastMovedIndex - firstMovedIndex + 1;
+ QList<int> movedToIndexes;
+ movedToIndexes.reserve(movedItemsCount);
+ for (int i = firstMovedIndex; i <= lastMovedIndex; ++i) {
+ const int newIndex = m_items.value(oldUrls.at(i));
+ movedToIndexes.append(newIndex);
+ }
+
+ emit itemsMoved(KItemRange(firstMovedIndex, movedItemsCount), movedToIndexes);
+ } else if (groupedSorting()) {
+ // The groups might have changed even if the order of the items has not.
+ const QList<QPair<int, QVariant> > oldGroups = m_groups;
+ m_groups.clear();
+ if (groups() != oldGroups) {
+ emit groupsChanged();
+ }
+ }
#ifdef KFILEITEMMODEL_DEBUG
kDebug() << "[TIME] Resorting of" << itemCount << "items:" << timer.elapsed();
{
Q_ASSERT(!items.isEmpty());
- KUrl parentUrl = directoryUrl;
- parentUrl.adjustPath(KUrl::RemoveTrailingSlash);
+ KUrl parentUrl;
+ if (m_expandedDirs.contains(directoryUrl)) {
+ parentUrl = m_expandedDirs.value(directoryUrl);
+ } else {
+ parentUrl = directoryUrl;
+ parentUrl.adjustPath(KUrl::RemoveTrailingSlash);
+ }
if (m_requestRole[ExpandedParentsCountRole]) {
- // To be able to compare whether the new items may be inserted as children
- // of a parent item the pending items must be added to the model first.
- dispatchPendingItemsToInsert();
-
KFileItem item = items.first();
// If the expanding of items is enabled, the call
return;
}
+ if (directoryUrl != directory()) {
+ // To be able to compare whether the new items may be inserted as children
+ // of a parent item the pending items must be added to the model first.
+ dispatchPendingItemsToInsert();
+ }
+
// KDirLister keeps the children of items that got expanded once even if
// they got collapsed again with KFileItemModel::setExpanded(false). So it must be
// checked whether the parent for new items is still expanded.
kDebug() << "Refreshing" << items.count() << "items";
#endif
- m_groups.clear();
-
// Get the indexes of all items that have been refreshed
QList<int> indexes;
indexes.reserve(items.count());
+ QSet<QByteArray> changedRoles;
+
QListIterator<QPair<KFileItem, KFileItem> > it(items);
while (it.hasNext()) {
const QPair<KFileItem, KFileItem>& itemPair = it.next();
// Keep old values as long as possible if they could not retrieved synchronously yet.
// The update of the values will be done asynchronously by KFileItemModelRolesUpdater.
QHashIterator<QByteArray, QVariant> it(retrieveData(newItem, m_itemData.at(index)->parent));
+ QHash<QByteArray, QVariant>& values = m_itemData[index]->values;
while (it.hasNext()) {
it.next();
- m_itemData[index]->values.insert(it.key(), it.value());
+ const QByteArray& role = it.key();
+ if (values.value(role) != it.value()) {
+ values.insert(role, it.value());
+ changedRoles.insert(role);
+ }
}
m_items.remove(oldItem.url());
itemRangeList.append(KItemRange(rangeIndex, rangeCount));
}
- emit itemsChanged(itemRangeList, m_roles);
+ emit itemsChanged(itemRangeList, changedRoles);
- resortAllItems();
+ if (changedRoles.contains(sortRole())) {
+ resortAllItems();
+ }
}
void KFileItemModel::slotClear()
m_maximumUpdateIntervalTimer->stop();
m_resortAllItemsTimer->stop();
+
+ qDeleteAll(m_pendingItemsToInsert);
m_pendingItemsToInsert.clear();
const int removedCount = m_itemData.count();
// KFileItem::iconName() can be very expensive if the MIME-type is unknown
// and hence will be retrieved asynchronously by KFileItemModelRolesUpdater.
QHash<QByteArray, QVariant> data;
- data.insert("url", item.url());
+ data.insert(sharedValue("url"), item.url());
const bool isDir = item.isDir();
- if (m_requestRole[IsDirRole]) {
- data.insert("isDir", isDir);
+ if (m_requestRole[IsDirRole] && isDir) {
+ data.insert(sharedValue("isDir"), true);
}
- if (m_requestRole[IsLinkRole]) {
- const bool isLink = item.isLink();
- data.insert("isLink", isLink);
+ if (m_requestRole[IsLinkRole] && item.isLink()) {
+ data.insert(sharedValue("isLink"), true);
}
if (m_requestRole[NameRole]) {
- data.insert("text", item.text());
+ data.insert(sharedValue("text"), item.text());
}
- if (m_requestRole[SizeRole]) {
- if (isDir) {
- data.insert("size", QVariant());
- } else {
- data.insert("size", item.size());
- }
+ if (m_requestRole[SizeRole] && !isDir) {
+ data.insert(sharedValue("size"), item.size());
}
if (m_requestRole[DateRole]) {
// having several thousands of items. Instead the formatting of the
// date-time will be done on-demand by the view when the date will be shown.
const KDateTime dateTime = item.time(KFileItem::ModificationTime);
- data.insert("date", dateTime.dateTime());
+ data.insert(sharedValue("date"), dateTime.dateTime());
}
if (m_requestRole[PermissionsRole]) {
- data.insert("permissions", item.permissionsString());
+ data.insert(sharedValue("permissions"), item.permissionsString());
}
if (m_requestRole[OwnerRole]) {
- data.insert("owner", item.user());
+ data.insert(sharedValue("owner"), item.user());
}
if (m_requestRole[GroupRole]) {
- data.insert("group", item.group());
+ data.insert(sharedValue("group"), item.group());
}
if (m_requestRole[DestinationRole]) {
if (destination.isEmpty()) {
destination = QLatin1String("-");
}
- data.insert("destination", destination);
+ data.insert(sharedValue("destination"), destination);
}
if (m_requestRole[PathRole]) {
const int index = path.lastIndexOf(item.text());
path = path.mid(0, index - 1);
- data.insert("path", path);
+ data.insert(sharedValue("path"), path);
}
- if (m_requestRole[IsExpandableRole]) {
- data.insert("isExpandable", item.isDir() && item.url() == item.targetUrl());
+ if (m_requestRole[IsExpandableRole] && isDir) {
+ data.insert(sharedValue("isExpandable"), true);
}
if (m_requestRole[ExpandedParentsCountRole]) {
- int level = 0;
if (parent) {
- level = parent->values["expandedParentsCount"].toInt() + 1;
+ const int level = parent->values["expandedParentsCount"].toInt() + 1;
+ data.insert(sharedValue("expandedParentsCount"), level);
}
-
- data.insert("expandedParentsCount", level);
}
if (item.isMimeTypeKnown()) {
- data.insert("iconName", item.iconName());
+ data.insert(sharedValue("iconName"), item.iconName());
if (m_requestRole[TypeRole]) {
- data.insert("type", item.mimeComment());
+ data.insert(sharedValue("type"), item.mimeComment());
}
}
}
}
+QByteArray KFileItemModel::sharedValue(const QByteArray& value)
+{
+ static QSet<QByteArray> pool;
+ const QSet<QByteArray>::const_iterator it = pool.constFind(value);
+
+ if (it != pool.constEnd()) {
+ return *it;
+ } else {
+ pool.insert(value);
+ return value;
+ }
+}
+
bool KFileItemModel::isConsistent() const
{
if (m_items.count() != m_itemData.count()) {
projects / dolphin.git / blobdiff