X-Git-Url: https://cloud.milkyroute.net/gitweb/dolphin.git/blobdiff_plain/be9746e87bb6a42e641dbf36c528a60fb564420a..f45ef05f4d59cc022fcf19fe3a342abcb3daa24f:/src/dolphinview.cpp

diff --git a/src/dolphinview.cpp b/src/dolphinview.cpp
index 8d3bf1e2f..a9f160d00 100644
--- a/src/dolphinview.cpp
+++ b/src/dolphinview.cpp
@@ -28,10 +28,10 @@
 #include <QTimer>
 #include <QScrollBar>
 
+#include <kcolorscheme.h>
 #include <kdirmodel.h>
 #include <kdirlister.h>
 #include <kfileitemdelegate.h>
-#include <kglobalsettings.h>
 #include <klocale.h>
 #include <kiconeffect.h>
 #include <kio/netaccess.h>
@@ -57,14 +57,12 @@ DolphinView::DolphinView(QWidget* parent,
                          const KUrl& url,
                          KDirLister* dirLister,
                          KDirModel* dirModel,
-                         DolphinSortFilterProxyModel* proxyModel,
-                         Mode mode,
-                         bool showHiddenFiles) :
+                         DolphinSortFilterProxyModel* proxyModel) :
     QWidget(parent),
     m_active(true),
-    m_blockContentsMovedSignal(false),
+    m_loadingDirectory(false),
     m_initializeColumnView(false),
-    m_mode(mode),
+    m_mode(DolphinView::IconsView),
     m_topLayout(0),
     m_controller(0),
     m_iconsView(0),
@@ -84,8 +82,6 @@ DolphinView::DolphinView(QWidget* parent,
     connect(clipboard, SIGNAL(dataChanged()),
             this, SLOT(updateCutItems()));
 
-    connect(m_dirLister, SIGNAL(completed()),
-            this, SLOT(restoreContentsPos()));
     connect(m_dirLister, SIGNAL(completed()),
             this, SLOT(updateCutItems()));
     connect(m_dirLister, SIGNAL(newItems(const KFileItemList&)),
@@ -93,6 +89,8 @@ DolphinView::DolphinView(QWidget* parent,
 
     m_controller = new DolphinController(this);
     m_controller->setUrl(url);
+    connect(m_controller, SIGNAL(urlChanged(const KUrl&)),
+            this, SIGNAL(urlChanged(const KUrl&)));
     connect(m_controller, SIGNAL(requestContextMenu(const QPoint&)),
             this, SLOT(openContextMenu(const QPoint&)));
     connect(m_controller, SIGNAL(urlsDropped(const KUrl::List&, const QModelIndex&, QWidget*)),
@@ -110,7 +108,7 @@ DolphinView::DolphinView(QWidget* parent,
     connect(m_controller, SIGNAL(viewportEntered()),
             this, SLOT(clearHoverInformation()));
 
-    createView();
+    applyViewProperties(url);
     m_topLayout->addWidget(itemView());
 }
 
@@ -136,7 +134,7 @@ void DolphinView::setActive(bool active)
 
     m_active = active;
 
-    QColor color = KGlobalSettings::baseColor();
+    QColor color = KColorScheme(KColorScheme::View).background();
     if (active) {
         emit urlChanged(url());
         emit selectionChanged(selectedItems());
@@ -174,16 +172,16 @@ void DolphinView::setMode(Mode mode)
         // to go back to the root URL of the column view automatically.
         // Otherwise there it would not be possible to turn off the column view
         // without focusing the first column.
-        // TODO: reactivate again after DolphinView/DolphinViewController split works
-        //setUrl(m_dirLister->url());
-        //m_controller->setUrl(m_dirLister->url());
+        setUrl(m_dirLister->url());
+        m_controller->setUrl(m_dirLister->url());
     }
 
-    ViewProperties props(url());
+    const KUrl viewPropsUrl = viewPropertiesUrl();
+    ViewProperties props(viewPropsUrl);
     props.setViewMode(m_mode);
 
     createView();
-    startDirLister(url());
+    startDirLister(viewPropsUrl);
 
     emit modeChanged();
 }
@@ -195,13 +193,14 @@ DolphinView::Mode DolphinView::mode() const
 
 void DolphinView::setShowPreview(bool show)
 {
-    ViewProperties props(url());
+    const KUrl viewPropsUrl = viewPropertiesUrl();
+    ViewProperties props(viewPropsUrl);
     props.setShowPreview(show);
 
     m_controller->setShowPreview(show);
     emit showPreviewChanged();
 
-    startDirLister(url(), true);
+    startDirLister(viewPropsUrl, true);
 }
 
 bool DolphinView::showPreview() const
@@ -215,13 +214,14 @@ void DolphinView::setShowHiddenFiles(bool show)
         return;
     }
 
-    ViewProperties props(url());
+    const KUrl viewPropsUrl = viewPropertiesUrl();
+    ViewProperties props(viewPropsUrl);
     props.setShowHiddenFiles(show);
 
     m_dirLister->setShowingDotFiles(show);
     emit showHiddenFilesChanged();
 
-    startDirLister(url(), true);
+    startDirLister(viewPropsUrl, true);
 }
 
 bool DolphinView::showHiddenFiles() const
@@ -245,7 +245,7 @@ void DolphinView::setCategorizedSorting(bool categorized)
         delete categorizer;
     }
 
-    ViewProperties props(url());
+    ViewProperties props(viewPropertiesUrl());
     props.setCategorizedSorting(categorized);
     props.save();
 
@@ -267,96 +267,102 @@ bool DolphinView::supportsCategorizedSorting() const
     return m_iconsView != 0;
 }
 
-void DolphinView::renameSelectedItems()
+void DolphinView::selectAll()
 {
-    // TODO: temporary deactivate due to DolphinView/DolphinViewController split
-
-    /*DolphinView* view = 0; //mainWindow()->activeView();
-    const KUrl::List urls = selectedUrls();
-    if (urls.count() > 1) {
-        // More than one item has been selected for renaming. Open
-        // a rename dialog and rename all items afterwards.
-        RenameDialog dialog(urls);
-        if (dialog.exec() == QDialog::Rejected) {
-            return;
-        }
+    itemView()->selectAll();
+}
 
-        const QString& newName = dialog.newName();
-        if (newName.isEmpty()) {
-            view->statusBar()->setMessage(dialog.errorString(),
-                                          DolphinStatusBar::Error);
-        } else {
-            // TODO: check how this can be integrated into KonqUndoManager/KonqOperations
-            // as one operation instead of n rename operations like it is done now...
-            Q_ASSERT(newName.contains('#'));
-
-            // iterate through all selected items and rename them...
-            const int replaceIndex = newName.indexOf('#');
-            Q_ASSERT(replaceIndex >= 0);
-            int index = 1;
-
-            KUrl::List::const_iterator it = urls.begin();
-            KUrl::List::const_iterator end = urls.end();
-            while (it != end) {
-                const KUrl& oldUrl = *it;
-                QString number;
-                number.setNum(index++);
-
-                QString name(newName);
-                name.replace(replaceIndex, 1, number);
-
-                if (oldUrl.fileName() != name) {
-                    KUrl newUrl = oldUrl;
-                    newUrl.setFileName(name);
-                    m_mainWindow->rename(oldUrl, newUrl);
-                }
-                ++it;
-            }
-        }
+void DolphinView::invertSelection()
+{
+    if (isColumnViewActive()) {
+        // In opposite to QAbstractItemView::selectAll() there is no virtual method
+        // for adjusting the invertion of a selection. As the generic approach by using
+        // the selection model does not work for the column view, we delegate this task:
+        m_columnView->invertSelection();
     } else {
-        // Only one item has been selected for renaming. Use the custom
-        // renaming mechanism from the views.
-        Q_ASSERT(urls.count() == 1);
-
-        // TODO: Think about using KFileItemDelegate as soon as it supports editing.
-        // Currently the RenameDialog is used, but I'm not sure whether inline renaming
-        // is a benefit for the user at all -> let's wait for some input first...
-        RenameDialog dialog(urls);
-        if (dialog.exec() == QDialog::Rejected) {
-            return;
-        }
+        QItemSelectionModel* selectionModel = itemView()->selectionModel();
+        const QAbstractItemModel* itemModel = selectionModel->model();
 
-        const QString& newName = dialog.newName();
-        if (newName.isEmpty()) {
-            view->statusBar()->setMessage(dialog.errorString(),
-                                          DolphinStatusBar::Error);
-        } else {
-            const KUrl& oldUrl = urls.first();
-            KUrl newUrl = oldUrl;
-            newUrl.setFileName(newName);
-            m_mainWindow->rename(oldUrl, newUrl);
+        const QModelIndex topLeft = itemModel->index(0, 0);
+        const QModelIndex bottomRight = itemModel->index(itemModel->rowCount() - 1,
+                                                         itemModel->columnCount() - 1);
+
+        QItemSelection selection(topLeft, bottomRight);
+        selectionModel->select(selection, QItemSelectionModel::Toggle);
+    }
+}
+
+bool DolphinView::hasSelection() const
+{
+    return itemView()->selectionModel()->hasSelection();
+}
+
+void DolphinView::clearSelection()
+{
+    itemView()->selectionModel()->clear();
+}
+
+KFileItemList DolphinView::selectedItems() const
+{
+    const QAbstractItemView* view = itemView();
+
+    // Our view has a selection, we will map them back to the DirModel
+    // and then fill the KFileItemList.
+    Q_ASSERT((view != 0) && (view->selectionModel() != 0));
+
+    const QItemSelection selection = m_proxyModel->mapSelectionToSource(view->selectionModel()->selection());
+    KFileItemList itemList;
+
+    const QModelIndexList indexList = selection.indexes();
+    QModelIndexList::const_iterator end = indexList.end();
+    for (QModelIndexList::const_iterator it = indexList.begin(); it != end; ++it) {
+        Q_ASSERT((*it).isValid());
+
+        KFileItem* item = m_dirModel->itemForIndex(*it);
+        if (item != 0) {
+            itemList.append(item);
         }
-    }*/
+    }
+
+    return itemList;
 }
 
-void DolphinView::selectAll()
+KUrl::List DolphinView::selectedUrls() const
 {
-    selectAll(QItemSelectionModel::Select);
+    KUrl::List urls;
+
+    const KFileItemList list = selectedItems();
+    KFileItemList::const_iterator it = list.begin();
+    const KFileItemList::const_iterator end = list.end();
+    while (it != end) {
+        KFileItem* item = *it;
+        urls.append(item->url());
+        ++it;
+    }
+
+    return urls;
 }
 
-void DolphinView::invertSelection()
+KFileItem* DolphinView::fileItem(const QModelIndex index) const
 {
-    selectAll(QItemSelectionModel::Toggle);
+    const QModelIndex dirModelIndex = m_proxyModel->mapToSource(index);
+    return m_dirModel->itemForIndex(dirModelIndex);
 }
 
-int DolphinView::contentsX() const
+void DolphinView::setContentsPosition(int x, int y)
 {
-    return itemView()->horizontalScrollBar()->value();
+    QAbstractItemView* view = itemView();
+    view->horizontalScrollBar()->setValue(x);
+    view->verticalScrollBar()->setValue(y);
+
+    m_loadingDirectory = false;
 }
 
-int DolphinView::contentsY() const
+QPoint DolphinView::contentsPosition() const
 {
-    return itemView()->verticalScrollBar()->value();
+    const int x = itemView()->horizontalScrollBar()->value();
+    const int y = itemView()->verticalScrollBar()->value();
+    return QPoint(x, y);
 }
 
 void DolphinView::zoomIn()
@@ -405,14 +411,15 @@ Qt::SortOrder DolphinView::sortOrder() const
 
 void DolphinView::setAdditionalInfo(KFileItemDelegate::AdditionalInformation info)
 {
-    ViewProperties props(url());
+    const KUrl viewPropsUrl = viewPropertiesUrl();
+    ViewProperties props(viewPropsUrl);
     props.setAdditionalInfo(info);
 
     m_controller->setShowAdditionalInfo(info != KFileItemDelegate::NoInformation);
     m_fileItemDelegate->setAdditionalInformation(info);
 
     emit additionalInfoChanged(info);
-    startDirLister(url(), true);
+    startDirLister(viewPropsUrl, true);
 }
 
 KFileItemDelegate::AdditionalInformation DolphinView::additionalInfo() const
@@ -420,130 +427,31 @@ KFileItemDelegate::AdditionalInformation DolphinView::additionalInfo() const
     return m_fileItemDelegate->additionalInformation();
 }
 
-bool DolphinView::hasSelection() const
-{
-    return itemView()->selectionModel()->hasSelection();
-}
-
-void DolphinView::clearSelection()
-{
-    itemView()->selectionModel()->clear();
-}
-
-KFileItemList DolphinView::selectedItems() const
-{
-    const QAbstractItemView* view = itemView();
-
-    // Our view has a selection, we will map them back to the DirModel
-    // and then fill the KFileItemList.
-    Q_ASSERT((view != 0) && (view->selectionModel() != 0));
-
-    const QItemSelection selection = m_proxyModel->mapSelectionToSource(view->selectionModel()->selection());
-    KFileItemList itemList;
-
-    const QModelIndexList indexList = selection.indexes();
-    QModelIndexList::const_iterator end = indexList.end();
-    for (QModelIndexList::const_iterator it = indexList.begin(); it != end; ++it) {
-        Q_ASSERT((*it).isValid());
-
-        KFileItem* item = m_dirModel->itemForIndex(*it);
-        if (item != 0) {
-            itemList.append(item);
-        }
-    }
-
-    return itemList;
-}
-
-KUrl::List DolphinView::selectedUrls() const
+void DolphinView::reload()
 {
-    KUrl::List urls;
-
-    const KFileItemList list = selectedItems();
-    KFileItemList::const_iterator it = list.begin();
-    const KFileItemList::const_iterator end = list.end();
-    while (it != end) {
-        KFileItem* item = *it;
-        urls.append(item->url());
-        ++it;
-    }
-
-    return urls;
+    setUrl(url());
+    startDirLister(url(), true);
 }
 
-KFileItem* DolphinView::fileItem(const QModelIndex index) const
+void DolphinView::refresh()
 {
-    const QModelIndex dirModelIndex = m_proxyModel->mapToSource(index);
-    return m_dirModel->itemForIndex(dirModelIndex);
+    createView();
+    applyViewProperties(m_controller->url());
+    reload();
 }
 
-void DolphinView::rename(const KUrl& source, const QString& newName)
+void DolphinView::setUrl(const KUrl& url)
 {
-    bool ok = false;
-
-    if (newName.isEmpty() || (source.fileName() == newName)) {
+    if (m_controller->url() == url) {
         return;
     }
 
-    KUrl dest(source.upUrl());
-    dest.addPath(newName);
-
-    const bool destExists = KIO::NetAccess::exists(dest, false, this);
-    if (destExists) {
-        // the destination already exists, hence ask the user
-        // how to proceed...
-        KIO::RenameDialog renameDialog(this,
-                                       i18n("File Already Exists"),
-                                       source.path(),
-                                       dest.path(),
-                                       KIO::M_OVERWRITE);
-        switch (renameDialog.exec()) {
-        case KIO::R_OVERWRITE:
-            // the destination should be overwritten
-            ok = KIO::NetAccess::file_move(source, dest, -1, true);
-            break;
-
-        case KIO::R_RENAME: {
-            // a new name for the destination has been used
-            KUrl newDest(renameDialog.newDestUrl());
-            ok = KIO::NetAccess::file_move(source, newDest);
-            break;
-        }
-
-        default:
-            // the renaming operation has been canceled
-            return;
-        }
-    } else {
-        // no destination exists, hence just move the file to
-        // do the renaming
-        ok = KIO::NetAccess::file_move(source, dest);
-    }
-
-    const QString destFileName = dest.fileName();
-    if (ok) {
-        // XYDZ
-        //m_statusBar->setMessage(i18n("Renamed file '%1' to '%2'.", source.fileName(), destFileName),
-        //                        DolphinStatusBar::OperationCompleted);
-
-        KonqOperations::rename(this, source, destFileName);
-    } else {
-        // XYDZ
-        //m_statusBar->setMessage(i18n("Renaming of file '%1' to '%2' failed.", source.fileName(), destFileName),
-        //                        DolphinStatusBar::Error);
-    }
-}
+    m_controller->setUrl(url);
 
-void DolphinView::reload()
-{
-    setUrl(url());
-    startDirLister(url(), true);
-}
+    applyViewProperties(url);
 
-void DolphinView::refresh()
-{
-    createView();
-    reload();
+    startDirLister(url);
+    emit urlChanged(url);
 }
 
 void DolphinView::mouseReleaseEvent(QMouseEvent* event)
@@ -576,18 +484,11 @@ void DolphinView::triggerItem(const QModelIndex& index)
         return;
     }
 
-    // Prefer the local path over the URL. This assures that the
-    // volume space information is correct. Assuming that the URL is media:/sda1,
-    // and the local path is /windows/C: For the URL the space info is related
-    // to the root partition (and hence wrong) and for the local path the space
-    // info is related to the windows partition (-> correct).
-    const QString localPath(item->localPath());
-    KUrl url;
-    if (localPath.isEmpty()) {
-        url = item->url();
-    } else {
-        url = localPath;
-    }
+    // The stuff below should be moved to ViewContainer and be just a signal?
+
+    // Prefer the local path over the URL.
+    bool isLocal;
+    KUrl url = item->mostLocalUrl(isLocal);
 
     if (item->isDir()) {
         setUrl(url);
@@ -649,20 +550,6 @@ void DolphinView::showPreview(const KFileItem& item, const QPixmap& pixmap)
     }
 }
 
-void DolphinView::restoreContentsPos()
-{
-    m_blockContentsMovedSignal = false;
-    if (!url().isEmpty()) {
-        QAbstractItemView* view = itemView();
-        // TODO #1: view->setCurrentItem(m_urlNavigator->currentFileName());
-        // TODO #2: temporary deactivated due to DolphinView/DolphinViewController split
-        //QPoint pos = m_urlNavigator->savedPosition();
-        QPoint pos(0, 0);
-        view->horizontalScrollBar()->setValue(pos.x());
-        view->verticalScrollBar()->setValue(pos.y());
-    }
-}
-
 void DolphinView::emitSelectionChangedSignal()
 {
     emit selectionChanged(DolphinView::selectedItems());
@@ -671,33 +558,18 @@ void DolphinView::emitSelectionChangedSignal()
 void DolphinView::startDirLister(const KUrl& url, bool reload)
 {
     if (!url.isValid()) {
-        // TODO: temporary deactivated due to DolphinView/DolphinViewController split
-
-        //const QString location(url.pathOrUrl());
-        //if (location.isEmpty()) {
-        //    m_statusBar->setMessage(i18n("The location is empty."), DolphinStatusBar::Error);
-        //} else {
-        //    m_statusBar->setMessage(i18n("The location '%1' is invalid.", location),
-        //                            DolphinStatusBar::Error);
-        //}
+        const QString location(url.pathOrUrl());
+        if (location.isEmpty()) {
+            emit errorMessage(i18nc("@info:status", "The location is empty."));
+        } else {
+            emit errorMessage(i18nc("@info:status", "The location '%1' is invalid.", location));
+        }
         return;
     }
 
-    // Only show the directory loading progress if the status bar does
-    // not contain another progress information. This means that
-    // the directory loading progress information has the lowest priority.
-
-    // TODO: temporary deactivated due to DolphinView/DolphinViewController split
-    //const QString progressText(m_statusBar->progressText());
-    //m_showProgress = progressText.isEmpty() ||
-    //                 (progressText == i18n("Loading folder..."));
-    //if (m_showProgress) {
-    //    m_statusBar->setProgressText(i18n("Loading folder..."));
-    //    m_statusBar->setProgress(0);
-    //}
-
     m_cutItemsCache.clear();
-    m_blockContentsMovedSignal = true;
+    m_loadingDirectory = true;
+
     m_dirLister->stop();
 
     bool openDir = true;
@@ -738,27 +610,28 @@ void DolphinView::startDirLister(const KUrl& url, bool reload)
     }
 }
 
-void DolphinView::setUrl(const KUrl& url)
+KUrl DolphinView::viewPropertiesUrl() const
 {
-    if (m_controller->url() == url) {
-        return;
+    if (isColumnViewActive()) {
+        return m_dirLister->url();
     }
 
-    m_controller->setUrl(url);
+    return url();
+}
+
+void DolphinView::applyViewProperties(const KUrl& url)
+{
+    if (isColumnViewActive() && m_dirLister->url().isParentOf(url)) {
+        // The column view is active, hence don't apply the view properties
+        // of sub directories (represented by columns) to the view. The
+        // view always represents the properties of the first column.
+        return;
+    }
 
     const ViewProperties props(url);
 
     const Mode mode = props.viewMode();
-    bool changeMode = (m_mode != mode);
-    if (changeMode && isColumnViewActive()) {
-        // The column view is active. Only change the
-        // mode if the current URL is no child of the column view.
-        if (m_dirLister->url().isParentOf(url)) {
-            changeMode = false;
-        }
-    }
-
-    if (changeMode) {
+    if (m_mode != mode) {
         m_mode = mode;
         createView();
         emit modeChanged();
@@ -771,6 +644,11 @@ void DolphinView::setUrl(const KUrl& url)
             m_initializeColumnView = true;
         }
     }
+    if (itemView() == 0) {
+        createView();
+    }
+    Q_ASSERT(itemView() != 0);
+    Q_ASSERT(m_fileItemDelegate != 0);
 
     const bool showHiddenFiles = props.showHiddenFiles();
     if (showHiddenFiles != m_dirLister->showingDotFiles()) {
@@ -818,12 +696,6 @@ void DolphinView::setUrl(const KUrl& url)
         m_controller->setShowPreview(showPreview);
         emit showPreviewChanged();
     }
-
-    startDirLister(url);
-    emit urlChanged(url);
-
-    // TODO: temporary deactivated due to DolphinView/DolphinViewController split
-    //m_statusBar->clear();
 }
 
 void DolphinView::changeSelection(const KFileItemList& selection)
@@ -892,7 +764,7 @@ void DolphinView::dropUrls(const KUrl::List& urls,
 
 void DolphinView::updateSorting(DolphinView::Sorting sorting)
 {
-    ViewProperties props(url());
+    ViewProperties props(viewPropertiesUrl());
     props.setSorting(sorting);
 
     m_proxyModel->setSorting(sorting);
@@ -902,7 +774,7 @@ void DolphinView::updateSorting(DolphinView::Sorting sorting)
 
 void DolphinView::updateSortOrder(Qt::SortOrder order)
 {
-    ViewProperties props(url());
+    ViewProperties props(viewPropertiesUrl());
     props.setSortOrder(order);
 
     m_proxyModel->setSortOrder(order);
@@ -912,8 +784,14 @@ void DolphinView::updateSortOrder(Qt::SortOrder order)
 
 void DolphinView::emitContentsMoved()
 {
-    if (!m_blockContentsMovedSignal) {
-        emit contentsMoved(contentsX(), contentsY());
+    // only emit the contents moved signal if:
+    // - no directory loading is ongoing (this would reset the contents position
+    //   always to (0, 0))
+    // - if the Column View is active: the column view does an automatic
+    //   positioning during the loading operation, which must be remembered
+    if (!m_loadingDirectory || isColumnViewActive()) {
+        const QPoint pos(contentsPosition());
+        emit contentsMoved(pos.x(), pos.y());
     }
 }
 
@@ -944,17 +822,13 @@ void DolphinView::showHoverInformation(const QModelIndex& index)
 
     const KFileItem* item = fileItem(index);
     if (item != 0) {
-        // TODO: temporary deactivated due to DolphinView/DolphinViewController split
-        //m_statusBar->setMessage(item->getStatusBarInfo(), DolphinStatusBar::Default);
-        emit requestItemInfo(item->url());
+        emit requestItemInfo(*item);
     }
 }
 
 void DolphinView::clearHoverInformation()
 {
-    // TODO: temporary deactivated due to DolphinView/DolphinViewController split
-    //m_statusBar->clear();
-    emit requestItemInfo(KUrl());
+    emit requestItemInfo(KFileItem());
 }
 
 
@@ -1019,19 +893,6 @@ void DolphinView::createView()
             this, SLOT(emitContentsMoved()));
 }
 
-void DolphinView::selectAll(QItemSelectionModel::SelectionFlags flags)
-{
-    QItemSelectionModel* selectionModel = itemView()->selectionModel();
-    const QAbstractItemModel* itemModel = selectionModel->model();
-
-    const QModelIndex topLeft = itemModel->index(0, 0);
-    const QModelIndex bottomRight = itemModel->index(itemModel->rowCount() - 1,
-                                    itemModel->columnCount() - 1);
-
-    QItemSelection selection(topLeft, bottomRight);
-    selectionModel->select(selection, flags);
-}
-
 QAbstractItemView* DolphinView::itemView() const
 {
     if (m_detailsView != 0) {