]> cloud.milkyroute.net Git - dolphin.git/blobdiff - src/dolphinview.cpp
minor adjustment to prevent code duplication
[dolphin.git] / src / dolphinview.cpp
index 492c8dafb3908c554b6ca811744aac63035eef3a..6f5aa8d6f61d99ca688c4fcb437e00253c5e4b00 100644 (file)
@@ -41,6 +41,7 @@
 #include <kmenu.h>
 #include <kmessagebox.h>
 #include <kmimetyperesolver.h>
+#include <konq_fileitemcapabilities.h>
 #include <konq_operations.h>
 #include <konqmimedata.h>
 #include <ktoggleaction.h>
 #include "dolphincontroller.h"
 #include "dolphinsortfilterproxymodel.h"
 #include "dolphindetailsview.h"
+#include "dolphin_detailsmodesettings.h"
 #include "dolphiniconsview.h"
 #include "dolphinsettings.h"
 #include "dolphin_generalsettings.h"
+#include "folderexpander.h"
 #include "iconmanager.h"
 #include "renamedialog.h"
 #include "tooltipmanager.h"
@@ -95,10 +98,6 @@ DolphinView::DolphinView(QWidget* parent,
     m_controller = new DolphinController(this);
     m_controller->setUrl(url);
 
-    // Receiver of the DolphinView signal 'urlChanged()' don't need
-    // to care whether the internal controller changed the URL already or whether
-    // the controller just requested an URL change and will be updated later.
-    // In both cases the URL has been changed:
     connect(m_controller, SIGNAL(urlChanged(const KUrl&)),
             this, SIGNAL(urlChanged(const KUrl&)));
     connect(m_controller, SIGNAL(requestUrlChange(const KUrl&)),
@@ -298,6 +297,10 @@ void DolphinView::clearSelection()
 
 KFileItemList DolphinView::selectedItems() const
 {
+    if (isColumnViewActive()) {
+        return m_columnView->selectedItems();
+    }
+
     const QAbstractItemView* view = itemView();
 
     // Our view has a selection, we will map them back to the DolphinModel
@@ -328,10 +331,15 @@ KUrl::List DolphinView::selectedUrls() const
     return urls;
 }
 
-KFileItem DolphinView::fileItem(const QModelIndex& index) const
+int DolphinView::selectedItemsCount() const
 {
-    const QModelIndex dolphinModelIndex = m_proxyModel->mapToSource(index);
-    return m_dolphinModel->itemForIndex(dolphinModelIndex);
+    if (isColumnViewActive()) {
+        // TODO: get rid of this special case by adjusting the dir lister
+        // to the current column
+        return m_columnView->selectedItems().count();
+    }
+
+    return itemView()->selectionModel()->selection().count();
 }
 
 void DolphinView::setContentsPosition(int x, int y)
@@ -354,26 +362,34 @@ QPoint DolphinView::contentsPosition() const
     return QPoint(x, y);
 }
 
-void DolphinView::zoomIn()
+void DolphinView::setZoomLevel(int level)
 {
-    m_controller->triggerZoomIn();
-    m_iconManager->updatePreviews();
+    if (level < zoomLevelMinimum()) {
+        level = zoomLevelMinimum();
+    } else if (level > zoomLevelMaximum()) {
+        level = zoomLevelMaximum();
+    }
+    
+    if (level != zoomLevel()) {
+        m_controller->setZoomLevel(level);
+        m_iconManager->updatePreviews();
+        emit zoomLevelChanged(level);
+    }
 }
 
-void DolphinView::zoomOut()
+int DolphinView::zoomLevel() const
 {
-    m_controller->triggerZoomOut();
-    m_iconManager->updatePreviews();
+    return m_controller->zoomLevel();
 }
 
-bool DolphinView::isZoomInPossible() const
+int DolphinView::zoomLevelMinimum() const
 {
-    return m_controller->isZoomInPossible();
+    return m_controller->zoomLevelMinimum();
 }
 
-bool DolphinView::isZoomOutPossible() const
+int DolphinView::zoomLevelMaximum() const
 {
-    return m_controller->isZoomOutPossible();
+    return m_controller->zoomLevelMaximum();
 }
 
 void DolphinView::setSorting(Sorting sorting)
@@ -445,6 +461,7 @@ void DolphinView::updateView(const KUrl& url, const KUrl& rootUrl)
         return;
     }
 
+    m_iconManager->cancelPreviews();
     m_controller->setUrl(url); // emits urlChanged, which we forward
 
     if (!rootUrl.isEmpty() && rootUrl.isParentOf(url)) {
@@ -515,7 +532,12 @@ void DolphinView::changeSelection(const KFileItemList& selection)
 void DolphinView::renameSelectedItems()
 {
     const KFileItemList items = selectedItems();
-    if (items.count() > 1) {
+    const int itemCount = items.count();
+    if (itemCount < 1) {
+        return;
+    }
+    
+    if (itemCount > 1) {
         // More than one item has been selected for renaming. Open
         // a rename dialog and rename all items afterwards.
         RenameDialog dialog(this, items);
@@ -550,8 +572,8 @@ void DolphinView::renameSelectedItems()
             }
         }
     } else if (DolphinSettings::instance().generalSettings()->renameInline()) {
-        Q_ASSERT(items.count() == 1);
-
+        Q_ASSERT(itemCount == 1);
+        
         if (isColumnViewActive()) {
             m_columnView->editItem(items.first());
         } else {
@@ -560,8 +582,8 @@ void DolphinView::renameSelectedItems()
             itemView()->edit(proxyIndex);
         }
     } else {
-        Q_ASSERT(items.count() == 1);
-
+        Q_ASSERT(itemCount == 1);
+        
         RenameDialog dialog(this, items);
         if (dialog.exec() == QDialog::Rejected) {
             return;
@@ -583,12 +605,13 @@ void DolphinView::renameSelectedItems()
 void DolphinView::trashSelectedItems()
 {
     emit doingOperation(KIO::FileUndoManager::Trash);
-    KonqOperations::del(this, KonqOperations::TRASH, selectedUrls());
+    const KUrl::List list = simplifiedSelectedUrls();
+    KonqOperations::del(this, KonqOperations::TRASH, list);
 }
 
 void DolphinView::deleteSelectedItems()
 {
-    const KUrl::List list = selectedUrls();
+    const KUrl::List list = simplifiedSelectedUrls();
     const bool del = KonqOperations::askDeleteConfirmation(list,
                      KonqOperations::DEL,
                      KonqOperations::DEFAULT_CONFIRMATION,
@@ -604,7 +627,7 @@ void DolphinView::deleteSelectedItems()
 void DolphinView::cutSelectedItems()
 {
     QMimeData* mimeData = new QMimeData();
-    const KUrl::List kdeUrls = selectedUrls();
+    const KUrl::List kdeUrls = simplifiedSelectedUrls();
     const KUrl::List mostLocalUrls;
     KonqMimeData::populateMimeData(mimeData, kdeUrls, mostLocalUrls, true);
     QApplication::clipboard()->setMimeData(mimeData);
@@ -644,7 +667,14 @@ void DolphinView::setShowPreview(bool show)
 
     m_showPreview = show;
     m_iconManager->setShowPreview(show);
+    
+    const int oldZoomLevel = m_controller->zoomLevel();
     emit showPreviewChanged();
+    
+    // Enabling or disabling the preview might change the icon size of the view.
+    // As the view does not emit a signal when the icon size has been changed,
+    // the used zoom level of the controller must be adjusted manually:
+    updateZoomLevel(oldZoomLevel);
 
     loadDirectory(viewPropsUrl);
 }
@@ -714,7 +744,6 @@ void DolphinView::toggleAdditionalInfo(QAction* action)
     }
 }
 
-
 void DolphinView::mouseReleaseEvent(QMouseEvent* event)
 {
     QWidget::mouseReleaseEvent(event);
@@ -725,10 +754,11 @@ void DolphinView::wheelEvent(QWheelEvent* event)
 {
     if (event->modifiers() & Qt::ControlModifier) {
         const int delta = event->delta();
-        if ((delta > 0) && isZoomInPossible()) {
-            zoomIn();
-        } else if ((delta < 0) && isZoomOutPossible()) {
-            zoomOut();
+        const int level = zoomLevel();
+        if (delta > 0) {
+            setZoomLevel(level + 1);
+        } else if (delta < 0) {
+            setZoomLevel(level - 1);
         }
         event->accept();
     }
@@ -776,10 +806,14 @@ void DolphinView::emitSelectionChangedSignal()
 void DolphinView::openContextMenu(const QPoint& pos)
 {
     KFileItem item;
-
-    const QModelIndex index = itemView()->indexAt(pos);
-    if (index.isValid() && (index.column() == DolphinModel::Name)) {
-        item = fileItem(index);
+    if (isColumnViewActive()) {
+        item = m_columnView->itemAt(pos);
+    } else {
+        const QModelIndex index = itemView()->indexAt(pos);
+        if (index.isValid() && (index.column() == DolphinModel::Name)) {
+            const QModelIndex dolphinModelIndex = m_proxyModel->mapToSource(index);
+            item = m_dolphinModel->itemForIndex(dolphinModelIndex);
+        }
     }
 
     if (m_toolTipManager != 0) {
@@ -796,24 +830,18 @@ void DolphinView::dropUrls(const KUrl::List& urls,
                            const KFileItem& destItem)
 {
     Q_ASSERT(!urls.isEmpty());
-    const KUrl& destination = !destItem.isNull() && destItem.isDir() ?
-                              destItem.url() : destPath;
+    const KUrl destination = !destItem.isNull() && destItem.isDir() ?
+                             destItem.url() : destPath;
     const KUrl sourceDir = KUrl(urls.first().directory());
     if (sourceDir != destination) {
-        dropUrls(urls, destination);
+        DolphinDropController dropController(this);
+        // forward doingOperation signal up to the mainwindow
+        connect(&dropController, SIGNAL(doingOperation(KIO::FileUndoManager::CommandType)),
+                this, SIGNAL(doingOperation(KIO::FileUndoManager::CommandType)));
+        dropController.dropUrls(urls, destination);
     }
 }
 
-void DolphinView::dropUrls(const KUrl::List& urls,
-                           const KUrl& destination)
-{
-    DolphinDropController dropController(this);
-    // forward doingOperation signal up to the mainwindow
-    connect(&dropController, SIGNAL(doingOperation(KIO::FileUndoManager::CommandType)),
-            this, SIGNAL(doingOperation(KIO::FileUndoManager::CommandType)));
-    dropController.dropUrls(urls, destination);
-}
-
 void DolphinView::updateSorting(DolphinView::Sorting sorting)
 {
     ViewProperties props(viewPropertiesUrl());
@@ -905,7 +933,10 @@ QPair<bool, QString> DolphinView::pasteInfo() const
 
     KUrl::List urls = KUrl::List::fromMimeData(mimeData);
     if (!urls.isEmpty()) {
-        ret.first = true;
+        // disable the paste action if no writing is supported
+        KFileItem item(KFileItem::Unknown, KFileItem::Unknown, url());
+        ret.first = KonqFileItemCapabilities(KFileItemList() << item).supportsWriting();
+
         if (urls.count() == 1) {
             const KFileItem item(KFileItem::Unknown, KFileItem::Unknown, urls.first(), true);
             ret.second = item.isDir() ? i18nc("@action:inmenu", "Paste One Folder") :
@@ -964,6 +995,18 @@ void DolphinView::slotDeleteFileFinished(KJob* job)
     }
 }
 
+void DolphinView::slotRedirection(const KUrl& oldUrl, const KUrl& newUrl)
+{
+    if (oldUrl == m_controller->url()) {
+        m_controller->setUrl(newUrl);
+    }
+}
+
+void DolphinView::slotRequestUrlChange(const KUrl& url)
+{
+    emit requestUrlChange(url);
+    m_controller->setUrl(url);
+}
 
 void DolphinView::restoreCurrentItem()
 {
@@ -1074,7 +1117,14 @@ void DolphinView::applyViewProperties(const KUrl& url)
     if (showPreview != m_showPreview) {
         m_showPreview = showPreview;
         m_iconManager->setShowPreview(showPreview);
+        
+        const int oldZoomLevel = m_controller->zoomLevel();
         emit showPreviewChanged();
+        
+        // Enabling or disabling the preview might change the icon size of the view.
+        // As the view does not emit a signal when the icon size has been changed,
+        // the used zoom level of the controller must be adjusted manually:
+        updateZoomLevel(oldZoomLevel);
     }
 }
 
@@ -1107,6 +1157,20 @@ void DolphinView::createView()
     Q_ASSERT(view != 0);
     view->installEventFilter(this);
 
+    if (m_mode != ColumnView) {
+        // Give the view the ability to auto-expand its directories on hovering
+        // (the column view takes care about this itself). If the details view
+        // uses expandable folders, the auto-expanding should be used always.
+        DolphinSettings& settings = DolphinSettings::instance();
+        const bool enabled = settings.generalSettings()->autoExpandFolders() ||
+                            ((m_detailsView != 0) && settings.detailsModeSettings()->expandableFolders());
+
+        FolderExpander* folderExpander = new FolderExpander(view, m_proxyModel);
+        folderExpander->setEnabled(enabled);
+        connect(folderExpander, SIGNAL(enterDir(const QModelIndex&)),
+                m_controller, SLOT(triggerItem(const QModelIndex&)));
+    }
+
     m_controller->setItemView(view);
 
     m_fileItemDelegate = new KFileItemDelegate(view);
@@ -1125,7 +1189,6 @@ void DolphinView::createView()
 
     view->setSelectionMode(QAbstractItemView::ExtendedSelection);
 
-    new KMimeTypeResolver(view, m_dolphinModel);
     m_iconManager = new IconManager(view, m_proxyModel);
     m_iconManager->setShowPreview(m_showPreview);
 
@@ -1147,6 +1210,12 @@ void DolphinView::deleteView()
 {
     QAbstractItemView* view = itemView();
     if (view != 0) {
+        // It's important to set the keyboard focus to the parent
+        // before deleting the view: Otherwise when having a split
+        // view the other view will get the focus and will request
+        // an activation (see DolphinView::eventFilter()).
+        setFocus();
+
         m_topLayout->removeWidget(view);
         view->close();
         view->deleteLater();
@@ -1205,17 +1274,22 @@ void DolphinView::pasteToUrl(const KUrl& url)
     }
 }
 
-void DolphinView::slotRequestUrlChange(const KUrl& url)
-{
-    emit urlChanged(url);
-    m_controller->setUrl(url);
+void DolphinView::updateZoomLevel(int oldZoomLevel)
+{       
+    const int newZoomLevel = DolphinController::zoomLevelForIconSize(itemView()->iconSize());
+    if (oldZoomLevel != newZoomLevel) {
+        m_controller->setZoomLevel(newZoomLevel);
+        emit zoomLevelChanged(newZoomLevel);
+    }
 }
 
-void DolphinView::slotRedirection(const KUrl& oldUrl, const KUrl& newUrl)
+KUrl::List DolphinView::simplifiedSelectedUrls() const
 {
-    if (oldUrl == m_controller->url()) {
-        m_controller->setUrl(newUrl);
+    KUrl::List list = selectedUrls();
+    if ((m_detailsView != 0) && m_detailsView->itemsExpandable()) {
+        list = KonqOperations::simplifiedUrlList(list);
     }
+    return list;
 }
 
 #include "dolphinview.moc"