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[dolphin.git] / src / views / dolphinview.cpp
index e6207c90c91b3b25957849c8da1516b25d6485c2..a4e97bf6e6593a24ddee56c49c7964a352e259d0 100644 (file)
 #include <QTimer>
 #include <QScrollBar>
 
-#include <kactioncollection.h>
-#include <kcolorscheme.h>
-#include <kdirlister.h>
-#include <kiconeffect.h>
-#include <kfileitem.h>
-#include <klocale.h>
-#include <kio/deletejob.h>
-#include <kio/netaccess.h>
-#include <kio/previewjob.h>
-#include <kjob.h>
-#include <kmenu.h>
-#include <kmessagebox.h>
+#include <KActionCollection>
+#include <KColorScheme>
+#include <KDirLister>
+#include <KIconEffect>
+#include <KFileItem>
+#include <KFileItemListProperties>
+#include <KLocale>
+#include <KIO/DeleteJob>
+#include <KIO/NetAccess>
+#include <KIO/PreviewJob>
+#include <KJob>
+#include <KMenu>
+#include <KMessageBox>
 #include <konq_fileitemcapabilities.h>
 #include <konq_operations.h>
 #include <konqmimedata.h>
-#include <ktoggleaction.h>
-#include <kurl.h>
+#include <KToggleAction>
+#include <KUrl>
 
 #include "additionalinfoaccessor.h"
+#include "dolphindirlister.h"
 #include "dolphinmodel.h"
 #include "dolphincolumnviewcontainer.h"
 #include "dolphinviewcontroller.h"
@@ -66,9 +68,7 @@
 #include "zoomlevelinfo.h"
 #include "dolphindetailsviewexpander.h"
 
-DolphinView::DolphinView(QWidget* parent,
-                         const KUrl& url,
-                         DolphinSortFilterProxyModel* proxyModel) :
+DolphinView::DolphinView(const KUrl& url, QWidget* parent) :
     QWidget(parent),
     m_active(true),
     m_showPreview(false),
@@ -76,11 +76,13 @@ DolphinView::DolphinView(QWidget* parent,
     m_tabsForFiles(false),
     m_isContextMenuOpen(false),
     m_assureVisibleCurrentIndex(false),
+    m_expanderActive(false),
+    m_isFolderWritable(true),
     m_mode(DolphinView::IconsView),
     m_topLayout(0),
     m_dolphinViewController(0),
     m_viewModeController(0),
-    m_viewAccessor(proxyModel),
+    m_viewAccessor(),
     m_selectionChangedTimer(0),
     m_activeItemUrl(),
     m_restoredContentsPosition(),
@@ -123,15 +125,7 @@ DolphinView::DolphinView(QWidget* parent,
     connect(m_dolphinViewController, SIGNAL(viewportEntered()),
             this, SLOT(clearHoverInformation()));
     connect(m_dolphinViewController, SIGNAL(urlChangeRequested(KUrl)),
-            m_viewModeController, SLOT(setUrl(KUrl)));
-
-    KDirLister* dirLister = m_viewAccessor.dirLister();
-    connect(dirLister, SIGNAL(redirection(KUrl,KUrl)),
-            this, SLOT(slotRedirection(KUrl,KUrl)));
-    connect(dirLister, SIGNAL(completed()),
-            this, SLOT(slotDirListerCompleted()));
-    connect(dirLister, SIGNAL(refreshItems(const QList<QPair<KFileItem,KFileItem>>&)),
-            this, SLOT(slotRefreshItems()));
+            this, SLOT(slotUrlChangeRequested(KUrl)));
 
     // When a new item has been created by the "Create New..." menu, the item should
     // get selected and it must be assured that the item will get visible. As the
@@ -177,9 +171,7 @@ void DolphinView::setActive(bool active)
     m_active = active;
 
     QColor color = KColorScheme(QPalette::Active, KColorScheme::View).background().color();
-    if (active) {
-        emitSelectionChangedSignal();
-    } else {
+    if (!active) {
         color.setAlpha(150);
     }
 
@@ -193,6 +185,8 @@ void DolphinView::setActive(bool active)
     if (active) {
         m_viewAccessor.itemView()->setFocus();
         emit activated();
+        emitSelectionChangedSignal();
+        emit writeStateChanged(m_isFolderWritable);
     }
 
     m_viewModeController->indicateActivationChange(active);
@@ -216,6 +210,7 @@ void DolphinView::setMode(Mode mode)
     // be restored after reloading the directory
     m_selectedItems = selectedItems();
 
+    const bool hasFocus = m_viewAccessor.itemView()->hasFocus();
     deleteView();
 
     const KUrl viewPropsUrl = rootUrl();
@@ -223,6 +218,10 @@ void DolphinView::setMode(Mode mode)
     props.setViewMode(m_mode);
     createView();
 
+    if (hasFocus) {
+        m_viewAccessor.itemView()->setFocus();
+    }
+
     // the file item delegate has been recreated, apply the current
     // additional information manually
     const KFileItemDelegate::InformationList infoList = props.additionalInfo();
@@ -277,6 +276,11 @@ bool DolphinView::supportsCategorizedSorting() const
     return m_viewAccessor.supportsCategorizedSorting();
 }
 
+KFileItem DolphinView::rootItem() const
+{
+    return m_viewAccessor.dirLister()->rootItem();
+}
+
 KFileItemList DolphinView::items() const
 {
     return m_viewAccessor.dirLister()->items();
@@ -442,6 +446,11 @@ void DolphinView::setNameFilter(const QString& nameFilter)
     m_viewModeController->setNameFilter(nameFilter);
 }
 
+QString DolphinView::nameFilter() const
+{
+    return m_viewModeController->nameFilter();
+}
+
 void DolphinView::calculateItemCount(int& fileCount,
                                      int& folderCount,
                                      KIO::filesize_t& totalFileSize) const
@@ -526,30 +535,25 @@ void DolphinView::setUrl(const KUrl& url)
         return;
     }
 
-    // The selection model might change in the case of the column view. Disconnect
-    // from the current selection model and reconnect later after the URL switch.
     const bool hadSelection = hasSelection();
-    QAbstractItemView* view = m_viewAccessor.itemView();
-    disconnect(view->selectionModel(), SIGNAL(selectionChanged(QItemSelection, QItemSelection)),
-               this, SLOT(slotSelectionChanged(QItemSelection, QItemSelection)));
+
+    // The selection model and directory lister might change in the case of the column view:
+    disconnectViewAccessor();
 
     m_newFileNames.clear();
 
     m_viewModeController->setUrl(url); // emits urlChanged, which we forward
     m_viewAccessor.prepareUrlChange(url);
     applyViewProperties();
-    loadDirectory(url);
 
     // When changing the URL there is no need to keep the version
     // data of the previous URL.
     m_viewAccessor.dirModel()->clearVersionData();
 
-    emit startedPathLoading(url);
+    // Reconnect to the (probably) new selection model and directory lister
+    connectViewAccessor();
+    loadDirectory(url);
 
-    // Reconnect to the (probably) new selection model
-    view = m_viewAccessor.itemView();
-    connect(view->selectionModel(), SIGNAL(selectionChanged(QItemSelection, QItemSelection)),
-            this, SLOT(slotSelectionChanged(QItemSelection, QItemSelection)));
     if (hadSelection || hasSelection()) {
         emitSelectionChangedSignal();
     }
@@ -562,15 +566,23 @@ void DolphinView::selectAll()
 
 void DolphinView::invertSelection()
 {
-    QItemSelectionModel* selectionModel = m_viewAccessor.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);
+    // Implementation note: Using selectionModel->select(selection, QItemSelectionModel::Toggle) does not
+    // work, as QItemSelectionModel::hasSelection() provides invalid values in this case. This might be a Qt-issue -
+    // when changing the implementation with an updated Qt-version don't forget to run the Dolphin-unit-tests that
+    // verify this usecase.
+    const KFileItemList selItems = selectedItems();
+    clearSelection();
+
+    QItemSelection invertedSelection;
+    foreach (const KFileItem& item, items()) {
+        if (!selItems.contains(item)) {
+            const QModelIndex index = m_viewAccessor.proxyModel()->mapFromSource(m_viewAccessor.dirModel()->indexForItem(item));
+            invertedSelection.select(index, index);
+        }
+    }
 
-    const QItemSelection selection(topLeft, bottomRight);
-    selectionModel->select(selection, QItemSelectionModel::Toggle);
+    QItemSelectionModel* selectionModel = m_viewAccessor.itemView()->selectionModel();
+    selectionModel->select(invertedSelection, QItemSelectionModel::ClearAndSelect | QItemSelectionModel::Current);
 }
 
 void DolphinView::clearSelection()
@@ -983,6 +995,34 @@ void DolphinView::selectAndScrollToCreatedItem()
     m_createdItemUrl = KUrl();
 }
 
+void DolphinView::slotRedirection(const KUrl& oldUrl, const KUrl& newUrl)
+{
+    if (oldUrl.equals(url(), KUrl::CompareWithoutTrailingSlash)) {
+        emit redirection(oldUrl, newUrl);
+        m_viewModeController->redirectToUrl(newUrl); // #186947
+    }
+}
+
+void DolphinView::restoreContentsPosition()
+{
+    if (!m_restoredContentsPosition.isNull()) {
+        const int x = m_restoredContentsPosition.x();
+        const int y = m_restoredContentsPosition.y();
+        m_restoredContentsPosition = QPoint();
+
+        QAbstractItemView* view = m_viewAccessor.itemView();
+        Q_ASSERT(view != 0);
+        view->horizontalScrollBar()->setValue(x);
+        view->verticalScrollBar()->setValue(y);
+    }
+}
+
+void DolphinView::slotUrlChangeRequested(const KUrl& url)
+{
+    m_viewModeController->setUrl(url);
+    updateWritableState();
+}
+
 void DolphinView::showHoverInformation(const KFileItem& item)
 {
     emit requestItemInfo(item);
@@ -1002,6 +1042,18 @@ void DolphinView::slotDeleteFileFinished(KJob* job)
     }
 }
 
+void DolphinView::slotDirListerStarted(const KUrl& url)
+{
+    // Disable the writestate temporary until it can be determined in a fast way
+    // in DolphinView::slotDirListerCompleted()
+    if (m_isFolderWritable) {
+        m_isFolderWritable = false;
+        emit writeStateChanged(m_isFolderWritable);
+    }
+
+    emit startedPathLoading(url);
+}
+
 void DolphinView::slotDirListerCompleted()
 {
     if (!m_expanderActive) {
@@ -1026,6 +1078,8 @@ void DolphinView::slotDirListerCompleted()
 
         m_newFileNames.clear();
     }
+
+    updateWritableState();
 }
 
 void DolphinView::slotLoadingCompleted()
@@ -1054,7 +1108,7 @@ void DolphinView::slotLoadingCompleted()
         foreach(const KFileItem& item, m_selectedItems) {
             url = item.url().upUrl();
             if (baseUrl.equals(url, KUrl::CompareWithoutTrailingSlash)) {
-                QModelIndex index = m_viewAccessor.proxyModel()->mapFromSource(m_viewAccessor.dirModel()->indexForItem(item));
+                const QModelIndex index = m_viewAccessor.proxyModel()->mapFromSource(m_viewAccessor.dirModel()->indexForItem(item));
                 newSelection.select(index, index);
             }
         }
@@ -1184,8 +1238,7 @@ void DolphinView::createView()
     const int zoomLevel = ZoomLevelInfo::zoomLevelForIconSize(view->iconSize());
     m_viewModeController->setZoomLevel(zoomLevel);
 
-    connect(view->selectionModel(), SIGNAL(selectionChanged(QItemSelection, QItemSelection)),
-            this, SLOT(slotSelectionChanged(QItemSelection, QItemSelection)));
+    connectViewAccessor();
 
     setFocusProxy(m_viewAccessor.layoutTarget());
     m_topLayout->insertWidget(1, m_viewAccessor.layoutTarget());
@@ -1198,18 +1251,17 @@ void DolphinView::deleteView()
     m_dolphinViewController->setItemView(0);
 
     if (view != 0) {
-        if (view->selectionModel() != 0) {
-            disconnect(view->selectionModel(), SIGNAL(selectionChanged(QItemSelection, QItemSelection)),
-                       this, SLOT(slotSelectionChanged(QItemSelection, QItemSelection)));
+        disconnectViewAccessor();
+
+        if (hasFocus()) {
+            // 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()).
+            setFocusProxy(0);
+            setFocus();
         }
 
-        // 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()).
-        setFocusProxy(0);
-        setFocus();
-
         m_viewModeController->disconnect(view);
 
         m_viewAccessor.deleteView();
@@ -1288,18 +1340,95 @@ QItemSelection DolphinView::childrenMatchingPattern(const QModelIndex& parent, c
     return matchingIndexes;
 }
 
-DolphinView::ViewAccessor::ViewAccessor(DolphinSortFilterProxyModel* proxyModel) :
+void DolphinView::connectViewAccessor()
+{
+    KDirLister* dirLister = m_viewAccessor.dirLister();
+    connect(dirLister, SIGNAL(redirection(KUrl,KUrl)), this, SLOT(slotRedirection(KUrl,KUrl)));
+    connect(dirLister, SIGNAL(started(KUrl)),          this, SLOT(slotDirListerStarted(KUrl)));
+    connect(dirLister, SIGNAL(completed()),            this, SLOT(slotDirListerCompleted()));
+    connect(dirLister, SIGNAL(refreshItems(const QList<QPair<KFileItem,KFileItem>>&)),
+            this, SLOT(slotRefreshItems()));
+
+    connect(dirLister, SIGNAL(clear()),                      this, SIGNAL(itemCountChanged()));
+    connect(dirLister, SIGNAL(newItems(KFileItemList)),      this, SIGNAL(itemCountChanged()));
+    connect(dirLister, SIGNAL(infoMessage(const QString&)),  this, SIGNAL(infoMessage(const QString&)));
+    connect(dirLister, SIGNAL(errorMessage(const QString&)), this, SIGNAL(infoMessage(const QString&)));
+    connect(dirLister, SIGNAL(percent(int)),                 this, SIGNAL(pathLoadingProgress(int)));
+    connect(dirLister, SIGNAL(urlIsFileError(const KUrl&)),  this, SIGNAL(urlIsFileError(const KUrl&)));
+    connect(dirLister, SIGNAL(itemsDeleted(const KFileItemList&)), this, SIGNAL(itemCountChanged()));
+
+    QAbstractItemView* view = m_viewAccessor.itemView();
+    connect(view->selectionModel(), SIGNAL(selectionChanged(QItemSelection, QItemSelection)),
+            this, SLOT(slotSelectionChanged(QItemSelection, QItemSelection)));
+}
+
+void DolphinView::disconnectViewAccessor()
+{
+    KDirLister* dirLister = m_viewAccessor.dirLister();
+    disconnect(dirLister, SIGNAL(redirection(KUrl,KUrl)), this, SLOT(slotRedirection(KUrl,KUrl)));
+    disconnect(dirLister, SIGNAL(started(KUrl)),          this, SLOT(slotDirListerStarted(KUrl)));
+    disconnect(dirLister, SIGNAL(completed()),            this, SLOT(slotDirListerCompleted()));
+    disconnect(dirLister, SIGNAL(refreshItems(const QList<QPair<KFileItem,KFileItem>>&)),
+               this, SLOT(slotRefreshItems()));
+
+    disconnect(dirLister, SIGNAL(clear()),                      this, SIGNAL(itemCountChanged()));
+    disconnect(dirLister, SIGNAL(newItems(KFileItemList)),      this, SIGNAL(itemCountChanged()));
+    disconnect(dirLister, SIGNAL(infoMessage(const QString&)),  this, SIGNAL(infoMessage(const QString&)));
+    disconnect(dirLister, SIGNAL(errorMessage(const QString&)), this, SIGNAL(errorMessage(const QString&)));
+    disconnect(dirLister, SIGNAL(percent(int)),                 this, SIGNAL(pathLoadingProgress(int)));
+    disconnect(dirLister, SIGNAL(urlIsFileError(const KUrl&)),  this, SIGNAL(urlIsFileError(const KUrl&)));
+    disconnect(dirLister, SIGNAL(itemsDeleted(const KFileItemList&)), this, SIGNAL(itemCountChanged()));
+
+    QAbstractItemView* view = m_viewAccessor.itemView();
+    disconnect(view->selectionModel(), SIGNAL(selectionChanged(QItemSelection, QItemSelection)),
+               this, SLOT(slotSelectionChanged(QItemSelection, QItemSelection)));
+}
+
+void DolphinView::updateWritableState()
+{
+    const bool wasFolderWritable = m_isFolderWritable;
+    m_isFolderWritable = true;
+
+    const KFileItem item = m_viewAccessor.dirLister()->rootItem();
+    if (!item.isNull()) {
+        KFileItemListProperties capabilities(KFileItemList() << item);
+        m_isFolderWritable = capabilities.supportsWriting();
+    }
+    if (m_isFolderWritable != wasFolderWritable) {
+        emit writeStateChanged(m_isFolderWritable);
+    }
+}
+
+DolphinView::ViewAccessor::ViewAccessor() :
     m_rootUrl(),
     m_iconsView(0),
     m_detailsView(0),
     m_columnsContainer(0),
-    m_proxyModel(proxyModel),
+    m_dolphinModel(0),
+    m_proxyModel(0),
     m_dragSource(0)
 {
+    DolphinDirLister* dirLister = new DolphinDirLister();
+    dirLister->setAutoUpdate(true);
+    dirLister->setDelayedMimeTypes(true);
+
+    m_dolphinModel = new DolphinModel();
+    m_dolphinModel->setDirLister(dirLister);  // m_dolphinModel takes ownership of dirLister
+    m_dolphinModel->setDropsAllowed(DolphinModel::DropOnDirectory);
+
+    m_proxyModel = new DolphinSortFilterProxyModel();
+    m_proxyModel->setSourceModel(m_dolphinModel);
+    m_proxyModel->setFilterCaseSensitivity(Qt::CaseInsensitive);
 }
 
 DolphinView::ViewAccessor::~ViewAccessor()
 {
+    delete m_proxyModel;
+    m_proxyModel = 0;
+
+    delete m_dolphinModel;
+    m_dolphinModel = 0;
+
     delete m_dragSource;
     m_dragSource = 0;
 }
@@ -1486,26 +1615,4 @@ KDirLister* DolphinView::ViewAccessor::dirLister() const
     return dirModel()->dirLister();
 }
 
-void DolphinView::slotRedirection(const KUrl& oldUrl, const KUrl& newUrl)
-{
-    if (oldUrl.equals(url(), KUrl::CompareWithoutTrailingSlash)) {
-        emit redirection(oldUrl, newUrl);
-        m_viewModeController->redirectToUrl(newUrl); // #186947
-    }
-}
-
-void DolphinView::restoreContentsPosition()
-{
-    if (!m_restoredContentsPosition.isNull()) {
-        const int x = m_restoredContentsPosition.x();
-        const int y = m_restoredContentsPosition.y();
-        m_restoredContentsPosition = QPoint();
-
-        QAbstractItemView* view = m_viewAccessor.itemView();
-        Q_ASSERT(view != 0);
-        view->horizontalScrollBar()->setValue(x);
-        view->verticalScrollBar()->setValue(y);
-    }
-}
-
 #include "dolphinview.moc"