-/***************************************************************************
- * Copyright (C) 2011 by Peter Penz <peter.penz19@gmail.com> *
- * *
- * This program is free software; you can redistribute it and/or modify *
- * it under the terms of the GNU General Public License as published by *
- * the Free Software Foundation; either version 2 of the License, or *
- * (at your option) any later version. *
- * *
- * This program is distributed in the hope that it will be useful, *
- * but WITHOUT ANY WARRANTY; without even the implied warranty of *
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
- * GNU General Public License for more details. *
- * *
- * You should have received a copy of the GNU General Public License *
- * along with this program; if not, write to the *
- * Free Software Foundation, Inc., *
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA *
- ***************************************************************************/
+/*****************************************************************************
+ * Copyright (C) 2011 by Peter Penz <peter.penz19@gmail.com> *
+ * Copyright (C) 2013 by Frank Reininghaus <frank78ac@googlemail.com> *
+ * Copyright (C) 2013 by Emmanuel Pescosta <emmanuelpescosta099@gmail.com> *
+ * *
+ * This program is free software; you can redistribute it and/or modify *
+ * it under the terms of the GNU General Public License as published by *
+ * the Free Software Foundation; either version 2 of the License, or *
+ * (at your option) any later version. *
+ * *
+ * This program is distributed in the hope that it will be useful, *
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of *
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
+ * GNU General Public License for more details. *
+ * *
+ * You should have received a copy of the GNU General Public License *
+ * along with this program; if not, write to the *
+ * Free Software Foundation, Inc., *
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA *
+ *****************************************************************************/
#include "kfileitemmodel.h"
-#include <KDirLister>
#include <KDirModel>
#include <KGlobalSettings>
#include <KLocale>
#include <KStringHandler>
#include <KDebug>
+#include "private/kfileitemmodelsortalgorithm.h"
+#include "private/kfileitemmodeldirlister.h"
+
+#include <QApplication>
#include <QMimeData>
#include <QTimer>
+#include <QWidget>
+
+#include <algorithm>
+#include <vector>
// #define KFILEITEMMODEL_DEBUG
-KFileItemModel::KFileItemModel(KDirLister* dirLister, QObject* parent) :
- KItemModelBase("name", parent),
- m_dirLister(dirLister),
+KFileItemModel::KFileItemModel(QObject* parent) :
+ KItemModelBase("text", parent),
+ m_dirLister(0),
m_naturalSorting(KGlobalSettings::naturalSorting()),
- m_sortFoldersFirst(true),
+ m_sortDirsFirst(true),
m_sortRole(NameRole),
+ m_sortingProgressPercent(-1),
m_roles(),
m_caseSensitivity(Qt::CaseInsensitive),
m_itemData(),
m_resortAllItemsTimer(0),
m_pendingItemsToInsert(),
m_groups(),
- m_expandedParentsCountRoot(UninitializedExpandedParentsCountRoot),
- m_expandedUrls(),
+ m_expandedDirs(),
m_urlsToExpand()
{
+ m_dirLister = new KFileItemModelDirLister(this);
+ m_dirLister->setDelayedMimeTypes(true);
+
+ const QWidget* parentWidget = qobject_cast<QWidget*>(parent);
+ if (parentWidget) {
+ m_dirLister->setMainWindow(parentWidget->window());
+ }
+
+ connect(m_dirLister, SIGNAL(started(KUrl)), this, SIGNAL(directoryLoadingStarted()));
+ connect(m_dirLister, SIGNAL(canceled()), this, SLOT(slotCanceled()));
+ connect(m_dirLister, SIGNAL(completed(KUrl)), this, SLOT(slotCompleted()));
+ connect(m_dirLister, SIGNAL(itemsAdded(KUrl,KFileItemList)), this, SLOT(slotItemsAdded(KUrl,KFileItemList)));
+ connect(m_dirLister, SIGNAL(itemsDeleted(KFileItemList)), this, SLOT(slotItemsDeleted(KFileItemList)));
+ connect(m_dirLister, SIGNAL(refreshItems(QList<QPair<KFileItem,KFileItem> >)), this, SLOT(slotRefreshItems(QList<QPair<KFileItem,KFileItem> >)));
+ connect(m_dirLister, SIGNAL(clear()), this, SLOT(slotClear()));
+ connect(m_dirLister, SIGNAL(clear(KUrl)), this, SLOT(slotClear(KUrl)));
+ connect(m_dirLister, SIGNAL(infoMessage(QString)), this, SIGNAL(infoMessage(QString)));
+ connect(m_dirLister, SIGNAL(errorMessage(QString)), this, SIGNAL(errorMessage(QString)));
+ connect(m_dirLister, SIGNAL(redirection(KUrl,KUrl)), this, SIGNAL(directoryRedirection(KUrl,KUrl)));
+ connect(m_dirLister, SIGNAL(urlIsFileError(KUrl)), this, SIGNAL(urlIsFileError(KUrl)));
+
// Apply default roles that should be determined
resetRoles();
m_requestRole[NameRole] = true;
m_requestRole[IsDirRole] = true;
- m_roles.insert("name");
+ m_requestRole[IsLinkRole] = true;
+ m_roles.insert("text");
m_roles.insert("isDir");
-
- Q_ASSERT(dirLister);
-
- connect(dirLister, SIGNAL(canceled()), this, SLOT(slotCanceled()));
- connect(dirLister, SIGNAL(completed(KUrl)), this, SLOT(slotCompleted()));
- connect(dirLister, SIGNAL(newItems(KFileItemList)), this, SLOT(slotNewItems(KFileItemList)));
- connect(dirLister, SIGNAL(itemsDeleted(KFileItemList)), this, SLOT(slotItemsDeleted(KFileItemList)));
- connect(dirLister, SIGNAL(refreshItems(QList<QPair<KFileItem,KFileItem> >)), this, SLOT(slotRefreshItems(QList<QPair<KFileItem,KFileItem> >)));
- connect(dirLister, SIGNAL(clear()), this, SLOT(slotClear()));
- connect(dirLister, SIGNAL(clear(KUrl)), this, SLOT(slotClear(KUrl)));
+ m_roles.insert("isLink");
// For slow KIO-slaves like used for searching it makes sense to show results periodically even
// before the completed() or canceled() signal has been emitted.
KFileItemModel::~KFileItemModel()
{
qDeleteAll(m_itemData);
- m_itemData.clear();
+ qDeleteAll(m_filteredItems.values());
+}
+
+void KFileItemModel::loadDirectory(const KUrl& url)
+{
+ m_dirLister->openUrl(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);
+ }
+
+ m_dirLister->openUrl(url, KDirLister::Reload);
+}
+
+KUrl KFileItemModel::directory() const
+{
+ return m_dirLister->url();
+}
+
+void KFileItemModel::cancelDirectoryLoading()
+{
+ m_dirLister->stop();
}
int KFileItemModel::count() const
}
m_itemData[index]->values = currentValues;
+ if (changedRoles.contains("text")) {
+ KUrl url = m_itemData[index]->item.url();
+ url.setFileName(currentValues["text"].toString());
+ m_itemData[index]->item.setUrl(url);
+ }
+
emit itemsChanged(KItemRangeList() << KItemRange(index, 1), changedRoles);
if (changedRoles.contains(sortRole())) {
return true;
}
-void KFileItemModel::setSortFoldersFirst(bool foldersFirst)
+void KFileItemModel::setSortDirectoriesFirst(bool dirsFirst)
{
- if (foldersFirst != m_sortFoldersFirst) {
- m_sortFoldersFirst = foldersFirst;
+ if (dirsFirst != m_sortDirsFirst) {
+ m_sortDirsFirst = dirsFirst;
resortAllItems();
}
}
-bool KFileItemModel::sortFoldersFirst() const
+bool KFileItemModel::sortDirectoriesFirst() const
{
- return m_sortFoldersFirst;
+ return m_sortDirsFirst;
}
void KFileItemModel::setShowHiddenFiles(bool show)
{
- KDirLister* dirLister = m_dirLister.data();
- if (dirLister) {
- dirLister->setShowingDotFiles(show);
- dirLister->emitChanges();
- if (show) {
- slotCompleted();
- }
+ m_dirLister->setShowingDotFiles(show);
+ m_dirLister->emitChanges();
+ if (show) {
+ slotCompleted();
}
}
bool KFileItemModel::showHiddenFiles() const
{
- const KDirLister* dirLister = m_dirLister.data();
- return dirLister ? dirLister->showingDotFiles() : false;
+ return m_dirLister->showingDotFiles();
}
-void KFileItemModel::setShowFoldersOnly(bool enabled)
+void KFileItemModel::setShowDirectoriesOnly(bool enabled)
{
- KDirLister* dirLister = m_dirLister.data();
- if (dirLister) {
- dirLister->setDirOnlyMode(enabled);
- }
+ m_dirLister->setDirOnlyMode(enabled);
}
-bool KFileItemModel::showFoldersOnly() const
+bool KFileItemModel::showDirectoriesOnly() const
{
- KDirLister* dirLister = m_dirLister.data();
- return dirLister ? dirLister->dirOnlyMode() : false;
+ return m_dirLister->dirOnlyMode();
}
QMimeData* KFileItemModel::createMimeData(const QSet<int>& indexes) const
{
startFromIndex = qMax(0, startFromIndex);
for (int i = startFromIndex; i < count(); ++i) {
- if (data(i)["name"].toString().startsWith(text, Qt::CaseInsensitive)) {
+ if (data(i)["text"].toString().startsWith(text, Qt::CaseInsensitive)) {
return i;
}
}
for (int i = 0; i < startFromIndex; ++i) {
- if (data(i)["name"].toString().startsWith(text, Qt::CaseInsensitive)) {
+ if (data(i)["text"].toString().startsWith(text, Qt::CaseInsensitive)) {
return i;
}
}
int count = 0;
const RoleInfoMap* map = rolesInfoMap(count);
for (int i = 0; i < count; ++i) {
- description.insert(map[i].role, map[i].roleTranslation);
+ description.insert(map[i].role, i18nc(map[i].roleTranslationContext, map[i].roleTranslation));
}
}
case SizeRole: m_groups = sizeRoleGroups(); break;
case DateRole: m_groups = dateRoleGroups(); break;
case PermissionsRole: m_groups = permissionRoleGroups(); break;
- case OwnerRole: m_groups = genericStringRoleGroups("owner"); break;
- case GroupRole: m_groups = genericStringRoleGroups("group"); break;
- case TypeRole: m_groups = genericStringRoleGroups("type"); break;
- case DestinationRole: m_groups = genericStringRoleGroups("destination"); break;
- case PathRole: m_groups = genericStringRoleGroups("path"); break;
- case CommentRole: m_groups = genericStringRoleGroups("comment"); break;
- case TagsRole: m_groups = genericStringRoleGroups("tags"); break;
case RatingRole: m_groups = ratingRoleGroups(); break;
- case NoRole: break;
- case IsDirRole: break;
- case IsExpandedRole: break;
- case ExpandedParentsCountRole: break;
- default: Q_ASSERT(false); break;
+ default: m_groups = genericStringRoleGroups(sortRole()); break;
}
#ifdef KFILEITEMMODEL_DEBUG
KFileItem KFileItemModel::rootItem() const
{
- const KDirLister* dirLister = m_dirLister.data();
- if (dirLister) {
- return dirLister->rootItem();
- }
- return KFileItem();
+ return m_dirLister->rootItem();
}
void KFileItemModel::clear()
// Update m_data with the changed requested roles
const int maxIndex = count() - 1;
for (int i = 0; i <= maxIndex; ++i) {
- m_itemData[i]->values = retrieveData(m_itemData.at(i)->item);
+ m_itemData[i]->values = retrieveData(m_itemData.at(i)->item, m_itemData.at(i)->parent);
}
kWarning() << "TODO: Emitting itemsChanged() with no information what has changed!";
return false;
}
- KDirLister* dirLister = m_dirLister.data();
- const KUrl url = m_itemData.at(index)->item.url();
+ const KFileItem item = m_itemData.at(index)->item;
+ const KUrl url = item.url();
if (expanded) {
- m_expandedUrls.insert(url);
-
- if (dirLister) {
- dirLister->openUrl(url, KDirLister::Keep);
- return true;
- }
+ m_expandedDirs.insert(url);
+ m_dirLister->openUrl(url, KDirLister::Keep);
} else {
- m_expandedUrls.remove(url);
+ m_expandedDirs.remove(url);
+ m_dirLister->stop(url);
- if (dirLister) {
- dirLister->stop(url);
- }
+ removeFilteredChildren(KFileItemList() << item);
- KFileItemList itemsToRemove;
- const int expandedParentsCount = data(index)["expandedParentsCount"].toInt();
- ++index;
- while (index < count() && data(index)["expandedParentsCount"].toInt() > expandedParentsCount) {
- itemsToRemove.append(m_itemData.at(index)->item);
- ++index;
- }
- removeItems(itemsToRemove);
- return true;
+ const KFileItemList itemsToRemove = childItems(item);
+ removeFilteredChildren(itemsToRemove);
+ removeItems(itemsToRemove, DeleteItemData);
}
- return false;
+ return true;
}
bool KFileItemModel::isExpanded(int index) const
return 0;
}
-QSet<KUrl> KFileItemModel::expandedUrls() const
+QSet<KUrl> KFileItemModel::expandedDirectories() const
{
- return m_expandedUrls;
+ return m_expandedDirs;
}
-void KFileItemModel::restoreExpandedUrls(const QSet<KUrl>& urls)
+void KFileItemModel::restoreExpandedDirectories(const QSet<KUrl>& urls)
{
m_urlsToExpand = urls;
}
-void KFileItemModel::expandParentItems(const KUrl& url)
+void KFileItemModel::expandParentDirectories(const KUrl& url)
{
- const KDirLister* dirLister = m_dirLister.data();
- if (!dirLister) {
- return;
- }
-
- const int pos = dirLister->url().path().length();
+ const int pos = m_dirLister->url().path().length();
// Assure that each sub-path of the URL that should be
// expanded is added to m_urlsToExpand. KDirLister
// does not care whether the parent-URL has already been
// expanded.
- KUrl urlToExpand = dirLister->url();
+ KUrl urlToExpand = m_dirLister->url();
const QStringList subDirs = url.path().mid(pos).split(QDir::separator());
for (int i = 0; i < subDirs.count() - 1; ++i) {
urlToExpand.addPath(subDirs.at(i));
{
if (m_filter.pattern() != nameFilter) {
dispatchPendingItemsToInsert();
-
m_filter.setPattern(nameFilter);
+ applyFilters();
+ }
+}
- // Check which shown items from m_itemData must get
- // hidden and hence moved to m_filteredItems.
- KFileItemList newFilteredItems;
-
- foreach (ItemData* itemData, m_itemData) {
- if (!m_filter.matches(itemData->item)) {
- // Only filter non-expanded items as child items may never
- // exist without a parent item
- if (!itemData->values.value("isExpanded").toBool()) {
- newFilteredItems.append(itemData->item);
- m_filteredItems.insert(itemData->item);
- }
- }
- }
+QString KFileItemModel::nameFilter() const
+{
+ return m_filter.pattern();
+}
- removeItems(newFilteredItems);
+void KFileItemModel::setMimeTypeFilters(const QStringList& filters)
+{
+ if (m_filter.mimeTypes() != filters) {
+ dispatchPendingItemsToInsert();
+ m_filter.setMimeTypes(filters);
+ applyFilters();
+ }
+}
+
+QStringList KFileItemModel::mimeTypeFilters() const
+{
+ return m_filter.mimeTypes();
+}
- // Check which hidden items from m_filteredItems should
- // get visible again and hence removed from m_filteredItems.
- KFileItemList newVisibleItems;
- QMutableSetIterator<KFileItem> it(m_filteredItems);
- while (it.hasNext()) {
- const KFileItem item = it.next();
- if (m_filter.matches(item)) {
- newVisibleItems.append(item);
- m_filteredItems.remove(item);
+void KFileItemModel::applyFilters()
+{
+ // Check which shown items from m_itemData must get
+ // hidden and hence moved to m_filteredItems.
+ KFileItemList newFilteredItems;
+
+ foreach (ItemData* itemData, m_itemData) {
+ // Only filter non-expanded items as child items may never
+ // exist without a parent item
+ if (!itemData->values.value("isExpanded").toBool()) {
+ const KFileItem item = itemData->item;
+ if (!m_filter.matches(item)) {
+ newFilteredItems.append(item);
+ m_filteredItems.insert(item, itemData);
}
}
+ }
+
+ removeItems(newFilteredItems, KeepItemData);
+
+ // Check which hidden items from m_filteredItems should
+ // get visible again and hence removed from m_filteredItems.
+ QList<ItemData*> newVisibleItems;
- insertItems(newVisibleItems);
+ QHash<KFileItem, ItemData*>::iterator it = m_filteredItems.begin();
+ while (it != m_filteredItems.end()) {
+ if (m_filter.matches(it.key())) {
+ newVisibleItems.append(it.value());
+ it = m_filteredItems.erase(it);
+ } else {
+ ++it;
+ }
}
+
+ insertItems(newVisibleItems);
}
-QString KFileItemModel::nameFilter() const
+void KFileItemModel::removeFilteredChildren(const KFileItemList& parentsList)
{
- return m_filter.pattern();
+ if (m_filteredItems.isEmpty()) {
+ return;
+ }
+
+ // First, we put the parent items into a set to provide fast lookup
+ // while iterating over m_filteredItems and prevent quadratic
+ // complexity if there are N parents and N filtered items.
+ const QSet<KFileItem> parents = parentsList.toSet();
+
+ QHash<KFileItem, ItemData*>::iterator it = m_filteredItems.begin();
+ while (it != m_filteredItems.end()) {
+ const ItemData* parent = it.value()->parent;
+
+ if (parent && parents.contains(parent->item)) {
+ delete it.value();
+ it = m_filteredItems.erase(it);
+ } else {
+ ++it;
+ }
+ }
}
QList<KFileItemModel::RoleInfo> KFileItemModel::rolesInformation()
if (map[i].roleType != NoRole) {
RoleInfo info;
info.role = map[i].role;
- info.translation = map[i].roleTranslation;
- info.group = map[i].groupTranslation;
+ info.translation = i18nc(map[i].roleTranslationContext, map[i].roleTranslation);
+ if (map[i].groupTranslation) {
+ info.group = i18nc(map[i].groupTranslationContext, map[i].groupTranslation);
+ } else {
+ // For top level roles, groupTranslation is 0. We must make sure that
+ // info.group is an empty string then because the code that generates
+ // menus tries to put the actions into sub menus otherwise.
+ info.group = QString();
+ }
+ info.requiresNepomuk = map[i].requiresNepomuk;
+ info.requiresIndexer = map[i].requiresIndexer;
rolesInfo.append(info);
}
}
// Note that the parent folder must be expanded before any of its subfolders become visible.
// Therefore, some URLs in m_restoredExpandedUrls might not be visible yet
// -> we expand the first visible URL we find in m_restoredExpandedUrls.
- foreach(const KUrl& url, m_urlsToExpand) {
+ foreach (const KUrl& url, m_urlsToExpand) {
const int index = m_items.value(url, -1);
if (index >= 0) {
m_urlsToExpand.remove(url);
m_urlsToExpand.clear();
}
- emit loadingCompleted();
+ emit directoryLoadingCompleted();
}
void KFileItemModel::slotCanceled()
{
m_maximumUpdateIntervalTimer->stop();
dispatchPendingItemsToInsert();
+
+ emit directoryLoadingCanceled();
}
-void KFileItemModel::slotNewItems(const KFileItemList& items)
+void KFileItemModel::slotItemsAdded(const KUrl& directoryUrl, const KFileItemList& items)
{
Q_ASSERT(!items.isEmpty());
- if (m_requestRole[ExpandedParentsCountRole] && m_expandedParentsCountRoot >= 0) {
+ KUrl 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();
// 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.
- KUrl parentUrl = item.url().upUrl();
- parentUrl.adjustPath(KUrl::RemoveTrailingSlash);
const int parentIndex = m_items.value(parentUrl, -1);
if (parentIndex >= 0 && !m_itemData[parentIndex]->values.value("isExpanded").toBool()) {
// The parent is not expanded.
}
}
- if (m_filter.pattern().isEmpty()) {
- m_pendingItemsToInsert.append(items);
+ QList<ItemData*> itemDataList = createItemDataList(parentUrl, items);
+
+ if (!m_filter.hasSetFilters()) {
+ m_pendingItemsToInsert.append(itemDataList);
} else {
- // The name-filter is active. Hide filtered items
+ // The name or type filter is active. Hide filtered items
// before inserting them into the model and remember
// the filtered items in m_filteredItems.
- KFileItemList filteredItems;
- foreach (const KFileItem& item, items) {
- if (m_filter.matches(item)) {
- filteredItems.append(item);
+ foreach (ItemData* itemData, itemDataList) {
+ if (m_filter.matches(itemData->item)) {
+ m_pendingItemsToInsert.append(itemData);
} else {
- m_filteredItems.insert(item);
+ m_filteredItems.insert(itemData->item, itemData);
}
}
-
- m_pendingItemsToInsert.append(filteredItems);
}
if (useMaximumUpdateInterval() && !m_maximumUpdateIntervalTimer->isActive()) {
dispatchPendingItemsToInsert();
KFileItemList itemsToRemove = items;
- if (m_requestRole[ExpandedParentsCountRole] && m_expandedParentsCountRoot >= 0) {
+ if (m_requestRole[ExpandedParentsCountRole]) {
// Assure that removing a parent item also results in removing all children
foreach (const KFileItem& item, items) {
itemsToRemove.append(childItems(item));
if (!m_filteredItems.isEmpty()) {
foreach (const KFileItem& item, itemsToRemove) {
- m_filteredItems.remove(item);
+ QHash<KFileItem, ItemData*>::iterator it = m_filteredItems.find(item);
+ if (it != m_filteredItems.end()) {
+ delete it.value();
+ m_filteredItems.erase(it);
+ }
+ }
+
+ if (m_requestRole[ExpandedParentsCountRole]) {
+ removeFilteredChildren(itemsToRemove);
}
}
- removeItems(itemsToRemove);
+ removeItems(itemsToRemove, DeleteItemData);
}
void KFileItemModel::slotRefreshItems(const QList<QPair<KFileItem, KFileItem> >& items)
const int index = m_items.value(oldItem.url(), -1);
if (index >= 0) {
m_itemData[index]->item = newItem;
- m_itemData[index]->values = retrieveData(newItem);
+
+ // 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));
+ while (it.hasNext()) {
+ it.next();
+ m_itemData[index]->values.insert(it.key(), it.value());
+ }
+
m_items.remove(oldItem.url());
m_items.insert(newItem.url(), index);
indexes.append(index);
kDebug() << "Clearing all items";
#endif
+ qDeleteAll(m_filteredItems.values());
m_filteredItems.clear();
m_groups.clear();
m_resortAllItemsTimer->stop();
m_pendingItemsToInsert.clear();
- m_expandedParentsCountRoot = UninitializedExpandedParentsCountRoot;
-
const int removedCount = m_itemData.count();
if (removedCount > 0) {
qDeleteAll(m_itemData);
emit itemsRemoved(KItemRangeList() << KItemRange(0, removedCount));
}
- m_expandedUrls.clear();
+ m_expandedDirs.clear();
}
void KFileItemModel::slotClear(const KUrl& url)
}
}
-void KFileItemModel::insertItems(const KFileItemList& items)
+void KFileItemModel::insertItems(QList<ItemData*>& newItems)
{
- if (items.isEmpty()) {
+ if (newItems.isEmpty()) {
return;
}
QElapsedTimer timer;
timer.start();
kDebug() << "===========================================================";
- kDebug() << "Inserting" << items.count() << "items";
+ kDebug() << "Inserting" << newItems.count() << "items";
#endif
m_groups.clear();
- QList<ItemData*> sortedItems = createItemDataList(items);
- sort(sortedItems.begin(), sortedItems.end());
+ sort(newItems.begin(), newItems.end());
#ifdef KFILEITEMMODEL_DEBUG
kDebug() << "[TIME] Sorting:" << timer.elapsed();
#endif
KItemRangeList itemRanges;
- int targetIndex = 0;
- int sourceIndex = 0;
- int insertedAtIndex = -1; // Index for the current item-range
- int insertedCount = 0; // Count for the current item-range
- int previouslyInsertedCount = 0; // Sum of previously inserted items for all ranges
- while (sourceIndex < sortedItems.count()) {
- // Find target index from m_items to insert the current item
- // in a sorted order
- const int previousTargetIndex = targetIndex;
- while (targetIndex < m_itemData.count()) {
- if (!lessThan(m_itemData.at(targetIndex), sortedItems.at(sourceIndex))) {
- break;
+ const int existingItemCount = m_itemData.count();
+ const int newItemCount = newItems.count();
+ const int totalItemCount = existingItemCount + newItemCount;
+
+ if (existingItemCount == 0) {
+ // Optimization for the common special case that there are no
+ // items in the model yet. Happens, e.g., when entering a folder.
+ m_itemData = newItems;
+ itemRanges << KItemRange(0, newItemCount);
+ } else {
+ m_itemData.reserve(totalItemCount);
+ for (int i = existingItemCount; i < totalItemCount; ++i) {
+ m_itemData.append(0);
+ }
+
+ // We build the new list m_items in reverse order to minimize
+ // the number of moves and guarantee O(N) complexity.
+ int targetIndex = totalItemCount - 1;
+ int sourceIndexExistingItems = existingItemCount - 1;
+ int sourceIndexNewItems = newItemCount - 1;
+
+ int rangeCount = 0;
+
+ while (sourceIndexNewItems >= 0) {
+ ItemData* newItem = newItems.at(sourceIndexNewItems);
+ if (sourceIndexExistingItems >= 0 && lessThan(newItem, m_itemData.at(sourceIndexExistingItems))) {
+ // Move an existing item to its new position. If any new items
+ // are behind it, push the item range to itemRanges.
+ if (rangeCount > 0) {
+ itemRanges << KItemRange(sourceIndexExistingItems + 1, rangeCount);
+ rangeCount = 0;
+ }
+
+ m_itemData[targetIndex] = m_itemData.at(sourceIndexExistingItems);
+ --sourceIndexExistingItems;
+ } else {
+ // Insert a new item into the list.
+ ++rangeCount;
+ m_itemData[targetIndex] = newItem;
+ --sourceIndexNewItems;
}
- ++targetIndex;
+ --targetIndex;
}
- if (targetIndex - previousTargetIndex > 0 && insertedAtIndex >= 0) {
- itemRanges << KItemRange(insertedAtIndex, insertedCount);
- previouslyInsertedCount += insertedCount;
- insertedAtIndex = targetIndex - previouslyInsertedCount;
- insertedCount = 0;
+ // Push the final item range to itemRanges.
+ if (rangeCount > 0) {
+ itemRanges << KItemRange(sourceIndexExistingItems + 1, rangeCount);
}
- // Insert item at the position targetIndex by transfering
- // the ownership of the item-data from sortedItems to m_itemData.
- // m_items will be inserted after the loop (see comment below)
- m_itemData.insert(targetIndex, sortedItems.at(sourceIndex));
- ++insertedCount;
-
- if (insertedAtIndex < 0) {
- insertedAtIndex = targetIndex;
- Q_ASSERT(previouslyInsertedCount == 0);
- }
- ++targetIndex;
- ++sourceIndex;
+ // Note that itemRanges is still sorted in reverse order.
+ std::reverse(itemRanges.begin(), itemRanges.end());
}
- // The indexes of all m_items must be adjusted, not only the index
- // of the new items
- const int itemDataCount = m_itemData.count();
- for (int i = 0; i < itemDataCount; ++i) {
+ // The indexes starting from the first inserted item must be adjusted.
+ m_items.reserve(totalItemCount);
+ for (int i = itemRanges.front().index; i < totalItemCount; ++i) {
m_items.insert(m_itemData.at(i)->item.url(), i);
}
- itemRanges << KItemRange(insertedAtIndex, insertedCount);
emit itemsInserted(itemRanges);
#ifdef KFILEITEMMODEL_DEBUG
- kDebug() << "[TIME] Inserting of" << items.count() << "items:" << timer.elapsed();
+ kDebug() << "[TIME] Inserting of" << newItems.count() << "items:" << timer.elapsed();
#endif
}
-void KFileItemModel::removeItems(const KFileItemList& items)
+static KItemRangeList sortedIndexesToKItemRangeList(const QList<int>& sortedNumbers)
{
- if (items.isEmpty()) {
- return;
+ if (sortedNumbers.empty()) {
+ return KItemRangeList();
+ }
+
+ KItemRangeList result;
+
+ QList<int>::const_iterator it = sortedNumbers.begin();
+ int index = *it;
+ int count = 1;
+
+ ++it;
+
+ QList<int>::const_iterator end = sortedNumbers.end();
+ while (it != end) {
+ if (*it == index + count) {
+ ++count;
+ } else {
+ result << KItemRange(index, count);
+ index = *it;
+ count = 1;
+ }
+ ++it;
}
+ result << KItemRange(index, count);
+ return result;
+}
+
+void KFileItemModel::removeItems(const KFileItemList& items, RemoveItemsBehavior behavior)
+{
#ifdef KFILEITEMMODEL_DEBUG
kDebug() << "Removing " << items.count() << "items";
#endif
m_groups.clear();
- QList<ItemData*> sortedItems;
- sortedItems.reserve(items.count());
+ // Step 1: Determine the indexes of the removed items, remove them from
+ // the hash m_items, and free the ItemData.
+ QList<int> indexesToRemove;
+ indexesToRemove.reserve(items.count());
foreach (const KFileItem& item, items) {
- const int index = m_items.value(item.url(), -1);
+ const KUrl url = item.url();
+ const int index = m_items.value(url, -1);
if (index >= 0) {
- sortedItems.append(m_itemData.at(index));
- }
- }
- sort(sortedItems.begin(), sortedItems.end());
+ indexesToRemove.append(index);
- QList<int> indexesToRemove;
- indexesToRemove.reserve(items.count());
+ // Prevent repeated expensive rehashing by using QHash::erase(),
+ // rather than QHash::remove().
+ QHash<KUrl, int>::iterator it = m_items.find(url);
+ m_items.erase(it);
- // Calculate the item ranges that will get deleted
- KItemRangeList itemRanges;
- int removedAtIndex = -1;
- int removedCount = 0;
- int targetIndex = 0;
- foreach (const ItemData* itemData, sortedItems) {
- const KFileItem& itemToRemove = itemData->item;
-
- const int previousTargetIndex = targetIndex;
- while (targetIndex < m_itemData.count()) {
- if (m_itemData.at(targetIndex)->item.url() == itemToRemove.url()) {
- break;
+ if (behavior == DeleteItemData) {
+ delete m_itemData.at(index);
}
- ++targetIndex;
- }
- if (targetIndex >= m_itemData.count()) {
- kWarning() << "Item that should be deleted has not been found!";
- return;
- }
- if (targetIndex - previousTargetIndex > 0 && removedAtIndex >= 0) {
- itemRanges << KItemRange(removedAtIndex, removedCount);
- removedAtIndex = targetIndex;
- removedCount = 0;
+ m_itemData[index] = 0;
}
+ }
- indexesToRemove.append(targetIndex);
- if (removedAtIndex < 0) {
- removedAtIndex = targetIndex;
- }
- ++removedCount;
- ++targetIndex;
+ if (indexesToRemove.isEmpty()) {
+ return;
}
- // Delete the items
- for (int i = indexesToRemove.count() - 1; i >= 0; --i) {
- const int indexToRemove = indexesToRemove.at(i);
- ItemData* data = m_itemData.at(indexToRemove);
+ std::sort(indexesToRemove.begin(), indexesToRemove.end());
- m_items.remove(data->item.url());
+ // Step 2: Remove the ItemData pointers from the list m_itemData.
+ const KItemRangeList itemRanges = sortedIndexesToKItemRangeList(indexesToRemove);
+ int target = itemRanges.at(0).index;
+ int source = itemRanges.at(0).index + itemRanges.at(0).count;
+ int nextRange = 1;
- delete data;
- m_itemData.removeAt(indexToRemove);
- }
+ const int oldItemDataCount = m_itemData.count();
+ while (source < oldItemDataCount) {
+ m_itemData[target] = m_itemData[source];
+ ++target;
+ ++source;
- // The indexes of all m_items must be adjusted, not only the index
- // of the removed items
- const int itemDataCount = m_itemData.count();
- for (int i = 0; i < itemDataCount; ++i) {
- m_items.insert(m_itemData.at(i)->item.url(), i);
+ if (nextRange < itemRanges.count() && source == itemRanges.at(nextRange).index) {
+ // Skip the items in the next removed range.
+ source += itemRanges.at(nextRange).count;
+ ++nextRange;
+ }
}
- if (count() <= 0) {
- m_expandedParentsCountRoot = UninitializedExpandedParentsCountRoot;
+ m_itemData.erase(m_itemData.end() - indexesToRemove.count(), m_itemData.end());
+
+ // Step 3: Adjust indexes in the hash m_items, starting from the
+ // index of the first removed item.
+ const int newItemDataCount = m_itemData.count();
+ for (int i = itemRanges.front().index; i < newItemDataCount; ++i) {
+ m_items.insert(m_itemData.at(i)->item.url(), i);
}
- itemRanges << KItemRange(removedAtIndex, removedCount);
emit itemsRemoved(itemRanges);
}
-QList<KFileItemModel::ItemData*> KFileItemModel::createItemDataList(const KFileItemList& items) const
+QList<KFileItemModel::ItemData*> KFileItemModel::createItemDataList(const KUrl& parentUrl, const KFileItemList& items) const
{
+ if (m_sortRole == TypeRole) {
+ // Try to resolve the MIME-types synchronously to prevent a reordering of
+ // the items when sorting by type (per default MIME-types are resolved
+ // asynchronously by KFileItemModelRolesUpdater).
+ determineMimeTypes(items, 200);
+ }
+
+ const int parentIndex = m_items.value(parentUrl, -1);
+ ItemData* parentItem = parentIndex < 0 ? 0 : m_itemData.at(parentIndex);
+
QList<ItemData*> itemDataList;
itemDataList.reserve(items.count());
foreach (const KFileItem& item, items) {
ItemData* itemData = new ItemData();
itemData->item = item;
- itemData->values = retrieveData(item);
- itemData->parent = 0;
-
- const bool determineParent = m_requestRole[ExpandedParentsCountRole]
- && itemData->values["expandedParentsCount"].toInt() > 0;
- if (determineParent) {
- KUrl parentUrl = item.url().upUrl();
- parentUrl.adjustPath(KUrl::RemoveTrailingSlash);
- const int parentIndex = m_items.value(parentUrl, -1);
- if (parentIndex >= 0) {
- itemData->parent = m_itemData.at(parentIndex);
- } else {
- kWarning() << "Parent item not found for" << item.url();
- }
- }
-
+ itemData->values = retrieveData(item, parentItem);
+ itemData->parent = parentItem;
itemDataList.append(itemData);
}
// The m_expandedParentsCountRoot may not get reset before all items with
// a bigger count have been removed.
- Q_ASSERT(m_expandedParentsCountRoot >= 0);
- removeItems(expandedItems);
+ removeItems(expandedItems, DeleteItemData);
- m_expandedParentsCountRoot = UninitializedExpandedParentsCountRoot;
- m_expandedUrls.clear();
+ m_expandedDirs.clear();
}
void KFileItemModel::resetRoles()
// Insert internal roles (take care to synchronize the implementation
// with KFileItemModel::roleForType() in case if a change is done).
roles.insert("isDir", IsDirRole);
+ roles.insert("isLink", IsLinkRole);
roles.insert("isExpanded", IsExpandedRole);
roles.insert("isExpandable", IsExpandableRole);
roles.insert("expandedParentsCount", ExpandedParentsCountRole);
// Insert internal roles (take care to synchronize the implementation
// with KFileItemModel::typeForRole() in case if a change is done).
roles.insert(IsDirRole, "isDir");
+ roles.insert(IsLinkRole, "isLink");
roles.insert(IsExpandedRole, "isExpanded");
roles.insert(IsExpandableRole, "isExpandable");
roles.insert(ExpandedParentsCountRole, "expandedParentsCount");
return roles.value(roleType);
}
-QHash<QByteArray, QVariant> KFileItemModel::retrieveData(const KFileItem& item) const
+QHash<QByteArray, QVariant> KFileItemModel::retrieveData(const KFileItem& item, const ItemData* parent) const
{
// It is important to insert only roles that are fast to retrieve. E.g.
// 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("iconPixmap", QPixmap());
data.insert("url", item.url());
const bool isDir = item.isDir();
data.insert("isDir", isDir);
}
+ if (m_requestRole[IsLinkRole]) {
+ const bool isLink = item.isLink();
+ data.insert("isLink", isLink);
+ }
+
if (m_requestRole[NameRole]) {
- data.insert("name", item.text());
+ data.insert("text", item.text());
}
if (m_requestRole[SizeRole]) {
if (m_requestRole[DestinationRole]) {
QString destination = item.linkDest();
if (destination.isEmpty()) {
- destination = i18nc("@item:intable", "No destination");
+ destination = QLatin1String("-");
}
data.insert("destination", destination);
}
if (item.url().protocol() == QLatin1String("trash")) {
path = item.entry().stringValue(KIO::UDSEntry::UDS_EXTRA);
} else {
+ // For performance reasons cache the home-path in a static QString
+ // (see QDir::homePath() for more details)
+ static QString homePath;
+ if (homePath.isEmpty()) {
+ homePath = QDir::homePath();
+ }
+
path = item.localPath();
+ if (path.startsWith(homePath)) {
+ path.replace(0, homePath.length(), QLatin1Char('~'));
+ }
}
const int index = path.lastIndexOf(item.text());
data.insert("path", path);
}
- if (m_requestRole[IsExpandedRole]) {
- data.insert("isExpanded", false);
- }
-
if (m_requestRole[IsExpandableRole]) {
data.insert("isExpandable", item.isDir() && item.url() == item.targetUrl());
}
if (m_requestRole[ExpandedParentsCountRole]) {
- if (m_expandedParentsCountRoot == UninitializedExpandedParentsCountRoot && m_dirLister.data()) {
- const KUrl rootUrl = m_dirLister.data()->url();
- const QString protocol = rootUrl.protocol();
- const bool forceExpandedParentsCountRoot = (protocol == QLatin1String("trash") ||
- protocol == QLatin1String("nepomuk") ||
- protocol == QLatin1String("remote") ||
- protocol.contains(QLatin1String("search")));
- if (forceExpandedParentsCountRoot) {
- m_expandedParentsCountRoot = ForceExpandedParentsCountRoot;
- } else {
- const QString rootDir = rootUrl.path(KUrl::AddTrailingSlash);
- m_expandedParentsCountRoot = rootDir.count('/');
- }
+ int level = 0;
+ if (parent) {
+ level = parent->values["expandedParentsCount"].toInt() + 1;
}
- if (m_expandedParentsCountRoot == ForceExpandedParentsCountRoot) {
- data.insert("expandedParentsCount", -1);
- } else {
- const QString dir = item.url().directory(KUrl::AppendTrailingSlash);
- const int level = dir.count('/') - m_expandedParentsCountRoot;
- data.insert("expandedParentsCount", level);
- }
+ data.insert("expandedParentsCount", level);
}
if (item.isMimeTypeKnown()) {
{
int result = 0;
- if (m_expandedParentsCountRoot >= 0) {
- result = expandedParentsCountCompare(a, b);
- if (result != 0) {
- // The items have parents with different expansion levels
- return (sortOrder() == Qt::AscendingOrder) ? result < 0 : result > 0;
+ if (a->parent != b->parent) {
+ const int expansionLevelA = a->values.value("expandedParentsCount").toInt();
+ const int expansionLevelB = b->values.value("expandedParentsCount").toInt();
+
+ // If b has a higher expansion level than a, check if a is a parent
+ // of b, and make sure that both expansion levels are equal otherwise.
+ for (int i = expansionLevelB; i > expansionLevelA; --i) {
+ if (b->parent == a) {
+ return true;
+ }
+ b = b->parent;
+ }
+
+ // If a has a higher expansion level than a, check if b is a parent
+ // of a, and make sure that both expansion levels are equal otherwise.
+ for (int i = expansionLevelA; i > expansionLevelB; --i) {
+ if (a->parent == b) {
+ return false;
+ }
+ a = a->parent;
+ }
+
+ Q_ASSERT(a->values.value("expandedParentsCount").toInt() == b->values.value("expandedParentsCount").toInt());
+
+ // Compare the last parents of a and b which are different.
+ while (a->parent != b->parent) {
+ a = a->parent;
+ b = b->parent;
}
}
- if (m_sortFoldersFirst || m_sortRole == SizeRole) {
+ if (m_sortDirsFirst || m_sortRole == SizeRole) {
const bool isDirA = a->item.isDir();
const bool isDirB = b->item.isDir();
if (isDirA && !isDirB) {
return (sortOrder() == Qt::AscendingOrder) ? result < 0 : result > 0;
}
+/**
+ * Helper class for KFileItemModel::sort().
+ */
+class KFileItemModelLessThan
+{
+public:
+ KFileItemModelLessThan(const KFileItemModel* model) :
+ m_model(model)
+ {
+ }
+
+ bool operator()(const KFileItemModel::ItemData* a, const KFileItemModel::ItemData* b) const
+ {
+ return m_model->lessThan(a, b);
+ }
+
+private:
+ const KFileItemModel* m_model;
+};
+
+void KFileItemModel::sort(QList<KFileItemModel::ItemData*>::iterator begin,
+ QList<KFileItemModel::ItemData*>::iterator end) const
+{
+ KFileItemModelLessThan lessThan(this);
+
+ if (m_sortRole == NameRole) {
+ // Sorting by name can be expensive, in particular if natural sorting is
+ // enabled. Use all CPU cores to speed up the sorting process.
+ static const int numberOfThreads = QThread::idealThreadCount();
+ parallelMergeSort(begin, end, lessThan, numberOfThreads);
+ } else {
+ // Sorting by other roles is quite fast. Use only one thread to prevent
+ // problems caused by non-reentrant comparison functions, see
+ // https://bugs.kde.org/show_bug.cgi?id=312679
+ mergeSort(begin, end, lessThan);
+ }
+}
+
int KFileItemModel::sortRoleCompare(const ItemData* a, const ItemData* b) const
{
const KFileItem& itemA = a->item;
break;
}
- case PermissionsRole:
- case OwnerRole:
- case GroupRole:
- case TypeRole:
- case DestinationRole:
- case PathRole:
- case CommentRole:
- case TagsRole: {
+ case ImageSizeRole: {
+ // Alway use a natural comparing to interpret the numbers of a string like
+ // "1600 x 1200" for having a correct sorting.
+ result = KStringHandler::naturalCompare(a->values.value("imageSize").toString(),
+ b->values.value("imageSize").toString(),
+ Qt::CaseSensitive);
+ break;
+ }
+
+ default: {
const QByteArray role = roleForType(m_sortRole);
result = QString::compare(a->values.value(role).toString(),
b->values.value(role).toString());
break;
}
- default:
- break;
}
if (result != 0) {
return QString::compare(itemA.url().url(), itemB.url().url(), Qt::CaseSensitive);
}
-void KFileItemModel::sort(QList<ItemData*>::iterator begin,
- QList<ItemData*>::iterator end)
-{
- // The implementation is based on qStableSortHelper() from qalgorithms.h
- // Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
- // In opposite to qStableSort() it allows to use a member-function for the comparison of elements.
-
- const int span = end - begin;
- if (span < 2) {
- return;
- }
-
- const QList<ItemData*>::iterator middle = begin + span / 2;
- sort(begin, middle);
- sort(middle, end);
- merge(begin, middle, end);
-}
-
-void KFileItemModel::merge(QList<ItemData*>::iterator begin,
- QList<ItemData*>::iterator pivot,
- QList<ItemData*>::iterator end)
-{
- // The implementation is based on qMerge() from qalgorithms.h
- // Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
-
- const int len1 = pivot - begin;
- const int len2 = end - pivot;
-
- if (len1 == 0 || len2 == 0) {
- return;
- }
-
- if (len1 + len2 == 2) {
- if (lessThan(*(begin + 1), *(begin))) {
- qSwap(*begin, *(begin + 1));
- }
- return;
- }
-
- QList<ItemData*>::iterator firstCut;
- QList<ItemData*>::iterator secondCut;
- int len2Half;
- if (len1 > len2) {
- const int len1Half = len1 / 2;
- firstCut = begin + len1Half;
- secondCut = lowerBound(pivot, end, *firstCut);
- len2Half = secondCut - pivot;
- } else {
- len2Half = len2 / 2;
- secondCut = pivot + len2Half;
- firstCut = upperBound(begin, pivot, *secondCut);
- }
-
- reverse(firstCut, pivot);
- reverse(pivot, secondCut);
- reverse(firstCut, secondCut);
-
- const QList<ItemData*>::iterator newPivot = firstCut + len2Half;
- merge(begin, firstCut, newPivot);
- merge(newPivot, secondCut, end);
-}
-
-QList<KFileItemModel::ItemData*>::iterator KFileItemModel::lowerBound(QList<ItemData*>::iterator begin,
- QList<ItemData*>::iterator end,
- const ItemData* value)
-{
- // The implementation is based on qLowerBound() from qalgorithms.h
- // Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
-
- QList<ItemData*>::iterator middle;
- int n = int(end - begin);
- int half;
-
- while (n > 0) {
- half = n >> 1;
- middle = begin + half;
- if (lessThan(*middle, value)) {
- begin = middle + 1;
- n -= half + 1;
- } else {
- n = half;
- }
- }
- return begin;
-}
-
-QList<KFileItemModel::ItemData*>::iterator KFileItemModel::upperBound(QList<ItemData*>::iterator begin,
- QList<ItemData*>::iterator end,
- const ItemData* value)
-{
- // The implementation is based on qUpperBound() from qalgorithms.h
- // Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
-
- QList<ItemData*>::iterator middle;
- int n = end - begin;
- int half;
-
- while (n > 0) {
- half = n >> 1;
- middle = begin + half;
- if (lessThan(value, *middle)) {
- n = half;
- } else {
- begin = middle + 1;
- n -= half + 1;
- }
- }
- return begin;
-}
-
-void KFileItemModel::reverse(QList<ItemData*>::iterator begin,
- QList<ItemData*>::iterator end)
-{
- // The implementation is based on qReverse() from qalgorithms.h
- // Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
-
- --end;
- while (begin < end) {
- qSwap(*begin++, *end--);
- }
-}
-
int KFileItemModel::stringCompare(const QString& a, const QString& b) const
{
// Taken from KDirSortFilterProxyModel (kdelibs/kfile/kdirsortfilterproxymodel.*)
: QString::compare(a, b, Qt::CaseSensitive);
}
-int KFileItemModel::expandedParentsCountCompare(const ItemData* a, const ItemData* b) const
-{
- const KUrl urlA = a->item.url();
- const KUrl urlB = b->item.url();
- if (urlA.directory() == urlB.directory()) {
- // Both items have the same directory as parent
- return 0;
- }
-
- // Check whether one item is the parent of the other item
- if (urlA.isParentOf(urlB)) {
- return (sortOrder() == Qt::AscendingOrder) ? -1 : +1;
- } else if (urlB.isParentOf(urlA)) {
- return (sortOrder() == Qt::AscendingOrder) ? +1 : -1;
- }
-
- // Determine the maximum common path of both items and
- // remember the index in 'index'
- const QString pathA = urlA.path();
- const QString pathB = urlB.path();
-
- const int maxIndex = qMin(pathA.length(), pathB.length()) - 1;
- int index = 0;
- while (index <= maxIndex && pathA.at(index) == pathB.at(index)) {
- ++index;
- }
- if (index > maxIndex) {
- index = maxIndex;
- }
- while ((pathA.at(index) != QLatin1Char('/') || pathB.at(index) != QLatin1Char('/')) && index > 0) {
- --index;
- }
-
- // Determine the first sub-path after the common path and
- // check whether it represents a directory or already a file
- bool isDirA = true;
- const QString subPathA = subPath(a->item, pathA, index, &isDirA);
- bool isDirB = true;
- const QString subPathB = subPath(b->item, pathB, index, &isDirB);
-
- if (m_sortFoldersFirst || m_sortRole == SizeRole) {
- if (isDirA && !isDirB) {
- return (sortOrder() == Qt::AscendingOrder) ? -1 : +1;
- } else if (!isDirA && isDirB) {
- return (sortOrder() == Qt::AscendingOrder) ? +1 : -1;
- }
- }
-
- // Compare the items of the parents that represent the first
- // different path after the common path.
- const QString parentPathA = pathA.left(index) + subPathA;
- const QString parentPathB = pathB.left(index) + subPathB;
-
- const ItemData* parentA = a;
- while (parentA && parentA->item.url().path() != parentPathA) {
- parentA = parentA->parent;
- }
-
- const ItemData* parentB = b;
- while (parentB && parentB->item.url().path() != parentPathB) {
- parentB = parentB->parent;
- }
-
- if (parentA && parentB) {
- return sortRoleCompare(parentA, parentB);
- }
-
- kWarning() << "Child items without parent detected:" << a->item.url() << b->item.url();
- return QString::compare(urlA.url(), urlB.url(), Qt::CaseSensitive);
-}
-
-QString KFileItemModel::subPath(const KFileItem& item,
- const QString& itemPath,
- int start,
- bool* isDir) const
+bool KFileItemModel::useMaximumUpdateInterval() const
{
- Q_ASSERT(isDir);
- const int pathIndex = itemPath.indexOf('/', start + 1);
- *isDir = (pathIndex > 0) || item.isDir();
- return itemPath.mid(start, pathIndex - start);
+ return !m_dirLister->url().isLocalFile();
}
-bool KFileItemModel::useMaximumUpdateInterval() const
+static bool localeAwareLessThan(const QChar& c1, const QChar& c2)
{
- const KDirLister* dirLister = m_dirLister.data();
- return dirLister && !dirLister->url().isLocalFile();
+ return QString::localeAwareCompare(c1, c2) < 0;
}
QList<QPair<int, QVariant> > KFileItemModel::nameRoleGroups() const
QString groupValue;
QChar firstChar;
- bool isLetter = false;
for (int i = 0; i <= maxIndex; ++i) {
if (isChildItem(i)) {
continue;
}
- const QString name = m_itemData.at(i)->values.value("name").toString();
+ const QString name = m_itemData.at(i)->values.value("text").toString();
// Use the first character of the name as group indication
QChar newFirstChar = name.at(0).toUpper();
if (firstChar != newFirstChar) {
QString newGroupValue;
- if (newFirstChar >= QLatin1Char('A') && newFirstChar <= QLatin1Char('Z')) {
- // Apply group 'A' - 'Z'
- newGroupValue = newFirstChar;
- isLetter = true;
+ if (newFirstChar.isLetter()) {
+ // Try to find a matching group in the range 'A' to 'Z'.
+ static std::vector<QChar> lettersAtoZ;
+ if (lettersAtoZ.empty()) {
+ for (char c = 'A'; c <= 'Z'; ++c) {
+ lettersAtoZ.push_back(QLatin1Char(c));
+ }
+ }
+
+ std::vector<QChar>::iterator it = std::lower_bound(lettersAtoZ.begin(), lettersAtoZ.end(), newFirstChar, localeAwareLessThan);
+ if (it != lettersAtoZ.end()) {
+ if (localeAwareLessThan(newFirstChar, *it) && it != lettersAtoZ.begin()) {
+ // newFirstChar belongs to the group preceding *it.
+ // Example: for an umlaut 'A' in the German locale, *it would be 'B' now.
+ --it;
+ }
+ newGroupValue = *it;
+ } else {
+ newGroupValue = newFirstChar;
+ }
} else if (newFirstChar >= QLatin1Char('0') && newFirstChar <= QLatin1Char('9')) {
// Apply group '0 - 9' for any name that starts with a digit
newGroupValue = i18nc("@title:group Groups that start with a digit", "0 - 9");
- isLetter = false;
} else {
- if (isLetter) {
- // If the current group is 'A' - 'Z' check whether a locale character
- // fits into the existing group.
- // TODO: This does not work in the case if e.g. the group 'O' starts with
- // an umlaut 'O' -> provide unit-test to document this known issue
- const QChar prevChar(firstChar.unicode() - ushort(1));
- const QChar nextChar(firstChar.unicode() + ushort(1));
- const QString currChar(newFirstChar);
- const bool partOfCurrentGroup = currChar.localeAwareCompare(prevChar) > 0 &&
- currChar.localeAwareCompare(nextChar) < 0;
- if (partOfCurrentGroup) {
- continue;
- }
- }
newGroupValue = i18nc("@title:group", "Others");
- isLetter = false;
}
if (newGroupValue != groupValue) {
const QDate currentDate = KDateTime::currentLocalDateTime().date();
- int yearForCurrentWeek = 0;
- int currentWeek = currentDate.weekNumber(&yearForCurrentWeek);
- if (yearForCurrentWeek == currentDate.year() + 1) {
- currentWeek = 53;
- }
-
QDate previousModifiedDate;
QString groupValue;
for (int i = 0; i <= maxIndex; ++i) {
const int daysDistance = modifiedDate.daysTo(currentDate);
- int yearForModifiedWeek = 0;
- int modifiedWeek = modifiedDate.weekNumber(&yearForModifiedWeek);
- if (yearForModifiedWeek == modifiedDate.year() + 1) {
- modifiedWeek = 53;
- }
-
QString newGroupValue;
if (currentDate.year() == modifiedDate.year() && currentDate.month() == modifiedDate.month()) {
- if (modifiedWeek > currentWeek) {
- // Usecase: modified date = 2010-01-01, current date = 2010-01-22
- // modified week = 53, current week = 3
- modifiedWeek = 0;
- }
- switch (currentWeek - modifiedWeek) {
+ switch (daysDistance / 7) {
case 0:
switch (daysDistance) {
case 0: newGroupValue = i18nc("@title:group Date", "Today"); break;
}
break;
case 1:
- newGroupValue = i18nc("@title:group Date", "Last Week");
+ newGroupValue = i18nc("@title:group Date", "One Week Ago");
break;
case 2:
newGroupValue = i18nc("@title:group Date", "Two Weeks Ago");
} else if (daysDistance <= 7) {
newGroupValue = modifiedTime.toString(i18nc("@title:group The week day name: %A, %B is full month name in current locale, and %Y is full year number", "%A (%B, %Y)"));
} else if (daysDistance <= 7 * 2) {
- newGroupValue = modifiedTime.toString(i18nc("@title:group Date: %B is full month name in current locale, and %Y is full year number", "Last Week (%B, %Y)"));
+ newGroupValue = modifiedTime.toString(i18nc("@title:group Date: %B is full month name in current locale, and %Y is full year number", "One Week Ago (%B, %Y)"));
} else if (daysDistance <= 7 * 3) {
newGroupValue = modifiedTime.toString(i18nc("@title:group Date: %B is full month name in current locale, and %Y is full year number", "Two Weeks Ago (%B, %Y)"));
} else if (daysDistance <= 7 * 4) {
return items;
}
+void KFileItemModel::emitSortProgress(int resolvedCount)
+{
+ // Be tolerant against a resolvedCount with a wrong range.
+ // Although there should not be a case where KFileItemModelRolesUpdater
+ // (= caller) provides a wrong range, it is important to emit
+ // a useful progress information even if there is an unexpected
+ // implementation issue.
+
+ const int itemCount = count();
+ if (resolvedCount >= itemCount) {
+ m_sortingProgressPercent = -1;
+ if (m_resortAllItemsTimer->isActive()) {
+ m_resortAllItemsTimer->stop();
+ resortAllItems();
+ }
+
+ emit directorySortingProgress(100);
+ } else if (itemCount > 0) {
+ resolvedCount = qBound(0, resolvedCount, itemCount);
+
+ const int progress = resolvedCount * 100 / itemCount;
+ if (m_sortingProgressPercent != progress) {
+ m_sortingProgressPercent = progress;
+ emit directorySortingProgress(progress);
+ }
+ }
+}
+
const KFileItemModel::RoleInfoMap* KFileItemModel::rolesInfoMap(int& count)
{
static const RoleInfoMap rolesInfoMap[] = {
- // role roleType role translation group translation
- { 0, NoRole, 0, 0, 0, 0 },
- { "name", NameRole, I18N_NOOP2_NOSTRIP("@label", "Name"), 0, 0 },
- { "size", SizeRole, I18N_NOOP2_NOSTRIP("@label", "Size"), 0, 0 },
- { "date", DateRole, I18N_NOOP2_NOSTRIP("@label", "Date"), 0, 0 },
- { "type", TypeRole, I18N_NOOP2_NOSTRIP("@label", "Type"), 0, 0 },
- { "rating", RatingRole, I18N_NOOP2_NOSTRIP("@label", "Rating"), 0, 0 },
- { "tags", TagsRole, I18N_NOOP2_NOSTRIP("@label", "Tags"), 0, 0 },
- { "comment", CommentRole, I18N_NOOP2_NOSTRIP("@label", "Comment"), 0, 0 },
- { "wordCount", WordCountRole, I18N_NOOP2_NOSTRIP("@label", "Word Count"), I18N_NOOP2_NOSTRIP("@label", "Document") },
- { "lineCount", LineCountRole, I18N_NOOP2_NOSTRIP("@label", "Line Count"), I18N_NOOP2_NOSTRIP("@label", "Document") },
- { "imageSize", ImageSizeRole, I18N_NOOP2_NOSTRIP("@label", "Image Size"), I18N_NOOP2_NOSTRIP("@label", "Image") },
- { "orientation", OrientationRole, I18N_NOOP2_NOSTRIP("@label", "Orientation"), I18N_NOOP2_NOSTRIP("@label", "Image") },
- { "artist", ArtistRole, I18N_NOOP2_NOSTRIP("@label", "Artist"), I18N_NOOP2_NOSTRIP("@label", "Music") },
- { "album", AlbumRole, I18N_NOOP2_NOSTRIP("@label", "Album"), I18N_NOOP2_NOSTRIP("@label", "Music") },
- { "duration", DurationRole, I18N_NOOP2_NOSTRIP("@label", "Duration"), I18N_NOOP2_NOSTRIP("@label", "Music") },
- { "track", TrackRole, I18N_NOOP2_NOSTRIP("@label", "Track"), I18N_NOOP2_NOSTRIP("@label", "Music") },
- { "path", PathRole, I18N_NOOP2_NOSTRIP("@label", "Path"), I18N_NOOP2_NOSTRIP("@label", "Other") },
- { "destination", DestinationRole, I18N_NOOP2_NOSTRIP("@label", "Link Destination"), I18N_NOOP2_NOSTRIP("@label", "Other") },
- { "copiedFrom", CopiedFromRole, I18N_NOOP2_NOSTRIP("@label", "Copied From"), I18N_NOOP2_NOSTRIP("@label", "Other") },
- { "permissions", PermissionsRole, I18N_NOOP2_NOSTRIP("@label", "Permissions"), I18N_NOOP2_NOSTRIP("@label", "Other") },
- { "owner", OwnerRole, I18N_NOOP2_NOSTRIP("@label", "Owner"), I18N_NOOP2_NOSTRIP("@label", "Other") },
- { "group", GroupRole, I18N_NOOP2_NOSTRIP("@label", "Group"), I18N_NOOP2_NOSTRIP("@label", "Other") },
+ // | role | roleType | role translation | group translation | requires Nepomuk | requires indexer
+ { 0, NoRole, 0, 0, 0, 0, false, false },
+ { "text", NameRole, I18N_NOOP2_NOSTRIP("@label", "Name"), 0, 0, false, false },
+ { "size", SizeRole, I18N_NOOP2_NOSTRIP("@label", "Size"), 0, 0, false, false },
+ { "date", DateRole, I18N_NOOP2_NOSTRIP("@label", "Date"), 0, 0, false, false },
+ { "type", TypeRole, I18N_NOOP2_NOSTRIP("@label", "Type"), 0, 0, false, false },
+ { "rating", RatingRole, I18N_NOOP2_NOSTRIP("@label", "Rating"), 0, 0, true, false },
+ { "tags", TagsRole, I18N_NOOP2_NOSTRIP("@label", "Tags"), 0, 0, true, false },
+ { "comment", CommentRole, I18N_NOOP2_NOSTRIP("@label", "Comment"), 0, 0, true, false },
+ { "wordCount", WordCountRole, I18N_NOOP2_NOSTRIP("@label", "Word Count"), I18N_NOOP2_NOSTRIP("@label", "Document"), true, true },
+ { "lineCount", LineCountRole, I18N_NOOP2_NOSTRIP("@label", "Line Count"), I18N_NOOP2_NOSTRIP("@label", "Document"), true, true },
+ { "imageSize", ImageSizeRole, I18N_NOOP2_NOSTRIP("@label", "Image Size"), I18N_NOOP2_NOSTRIP("@label", "Image"), true, true },
+ { "orientation", OrientationRole, I18N_NOOP2_NOSTRIP("@label", "Orientation"), I18N_NOOP2_NOSTRIP("@label", "Image"), true, true },
+ { "artist", ArtistRole, I18N_NOOP2_NOSTRIP("@label", "Artist"), I18N_NOOP2_NOSTRIP("@label", "Audio"), true, true },
+ { "album", AlbumRole, I18N_NOOP2_NOSTRIP("@label", "Album"), I18N_NOOP2_NOSTRIP("@label", "Audio"), true, true },
+ { "duration", DurationRole, I18N_NOOP2_NOSTRIP("@label", "Duration"), I18N_NOOP2_NOSTRIP("@label", "Audio"), true, true },
+ { "track", TrackRole, I18N_NOOP2_NOSTRIP("@label", "Track"), I18N_NOOP2_NOSTRIP("@label", "Audio"), true, true },
+ { "path", PathRole, I18N_NOOP2_NOSTRIP("@label", "Path"), I18N_NOOP2_NOSTRIP("@label", "Other"), false, false },
+ { "destination", DestinationRole, I18N_NOOP2_NOSTRIP("@label", "Link Destination"), I18N_NOOP2_NOSTRIP("@label", "Other"), false, false },
+ { "copiedFrom", CopiedFromRole, I18N_NOOP2_NOSTRIP("@label", "Copied From"), I18N_NOOP2_NOSTRIP("@label", "Other"), true, false },
+ { "permissions", PermissionsRole, I18N_NOOP2_NOSTRIP("@label", "Permissions"), I18N_NOOP2_NOSTRIP("@label", "Other"), false, false },
+ { "owner", OwnerRole, I18N_NOOP2_NOSTRIP("@label", "Owner"), I18N_NOOP2_NOSTRIP("@label", "Other"), false, false },
+ { "group", GroupRole, I18N_NOOP2_NOSTRIP("@label", "User Group"), I18N_NOOP2_NOSTRIP("@label", "Other"), false, false },
};
count = sizeof(rolesInfoMap) / sizeof(RoleInfoMap);
return rolesInfoMap;
}
+void KFileItemModel::determineMimeTypes(const KFileItemList& items, int timeout)
+{
+ QElapsedTimer timer;
+ timer.start();
+ foreach (const KFileItem& item, items) { // krazy:exclude=foreach
+ item.determineMimeType();
+ if (timer.elapsed() > timeout) {
+ // Don't block the user interface, let the remaining items
+ // be resolved asynchronously.
+ return;
+ }
+ }
+}
+
+bool KFileItemModel::isConsistent() const
+{
+ if (m_items.count() != m_itemData.count()) {
+ return false;
+ }
+
+ for (int i = 0; i < count(); ++i) {
+ // Check if m_items and m_itemData are consistent.
+ const KFileItem item = fileItem(i);
+ if (item.isNull()) {
+ qWarning() << "Item" << i << "is null";
+ return false;
+ }
+
+ const int itemIndex = index(item);
+ if (itemIndex != i) {
+ qWarning() << "Item" << i << "has a wrong index:" << itemIndex;
+ return false;
+ }
+
+ // Check if the items are sorted correctly.
+ if (i > 0 && !lessThan(m_itemData.at(i - 1), m_itemData.at(i))) {
+ qWarning() << "The order of items" << i - 1 << "and" << i << "is wrong:"
+ << fileItem(i - 1) << fileItem(i);
+ return false;
+ }
+
+ // Check if all parent-child relationships are consistent.
+ const ItemData* data = m_itemData.at(i);
+ const ItemData* parent = data->parent;
+ if (parent) {
+ if (data->values.value("expandedParentsCount").toInt() != parent->values.value("expandedParentsCount").toInt() + 1) {
+ qWarning() << "expandedParentsCount is inconsistent for parent" << parent->item << "and child" << data->item;
+ return false;
+ }
+
+ const int parentIndex = index(parent->item);
+ if (parentIndex >= i) {
+ qWarning() << "Index" << parentIndex << "of parent" << parent->item << "is not smaller than index" << i << "of child" << data->item;
+ return false;
+ }
+ }
+ }
+
+ return true;
+}
+
#include "kfileitemmodel.moc"
projects / dolphin.git / blobdiff