Factorize all the view-related action handling to DolphinViewActionHandler, to remove code duplication between mainwindow and part, and to remove my code-splitting with the static createFooAction methods in the view.

svn path=/branches/KDE/4.0/kdebase/apps/; revision=773570

1 files changed, 286 insertions, 0 deletions

diff --git a/src/dolphinviewactionhandler.cpp b/src/dolphinviewactionhandler.cpp
new file mode 100644
index 000000000..6cd539d36
--- /dev/null
+++ b/src/dolphinviewactionhandler.cpp
@@ -0,0 +1,286 @@
+/***************************************************************************
+ *   Copyright (C) 2008 by David Faure <[email protected]>                     *
+ *                                                                         *
+ *   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 "dolphinviewactionhandler.h"
+
+#include "dolphinview.h"
+
+#include <konq_operations.h>
+
+#include <kaction.h>
+#include <kactioncollection.h>
+#include <klocale.h>
+#include <ktoggleaction.h>
+
+DolphinViewActionHandler::DolphinViewActionHandler(KActionCollection* collection, QObject* parent)
+    : QObject(parent),
+      m_actionCollection(collection),
+      m_currentView(0)
+{
+    Q_ASSERT(m_actionCollection);
+    createActions();
+}
+
+void DolphinViewActionHandler::setCurrentView(DolphinView* view)
+{
+    Q_ASSERT(view);
+
+    if (m_currentView)
+        disconnect(m_currentView, 0, this, 0);
+
+    m_currentView = view;
+
+    connect(view, SIGNAL(showPreviewChanged()),
+            this, SLOT(slotShowPreviewChanged()));
+    connect(view, SIGNAL(sortOrderChanged(Qt::SortOrder)),
+            this, SLOT(slotSortOrderChanged(Qt::SortOrder)));
+    connect(view, SIGNAL(additionalInfoChanged()),
+            this, SLOT(slotAdditionalInfoChanged()));
+    connect(view, SIGNAL(categorizedSortingChanged()),
+            this, SLOT(slotCategorizedSortingChanged()));
+    connect(view, SIGNAL(showHiddenFilesChanged()),
+            this, SLOT(slotShowHiddenFilesChanged()));
+}
+
+void DolphinViewActionHandler::createActions()
+{
+    // This action doesn't appear in the GUI, it's for the shortcut only.
+    // KNewMenu takes care of the GUI stuff.
+    KAction* newDirAction = m_actionCollection->addAction("create_dir");
+    newDirAction->setText(i18n("Create Folder..."));
+    newDirAction->setShortcut(Qt::Key_F10);
+    connect(newDirAction, SIGNAL(triggered()), SLOT(slotCreateDir()));
+
+    // Edit menu
+
+    KAction* rename = m_actionCollection->addAction("rename");
+    rename->setText(i18nc("@action:inmenu File", "Rename..."));
+    rename->setShortcut(Qt::Key_F2);
+    connect(rename, SIGNAL(triggered()), this, SLOT(slotRename()));
+
+    KAction* moveToTrash = m_actionCollection->addAction("move_to_trash");
+    moveToTrash->setText(i18nc("@action:inmenu File", "Move to Trash"));
+    moveToTrash->setIcon(KIcon("user-trash"));
+    moveToTrash->setShortcut(QKeySequence::Delete);
+    connect(moveToTrash, SIGNAL(triggered(Qt::MouseButtons, Qt::KeyboardModifiers)),
+            this, SLOT(slotTrashActivated(Qt::MouseButtons, Qt::KeyboardModifiers)));
+
+    KAction* deleteAction = m_actionCollection->addAction("delete");
+    deleteAction->setIcon(KIcon("edit-delete"));
+    deleteAction->setText(i18nc("@action:inmenu File", "Delete"));
+    deleteAction->setShortcut(Qt::SHIFT | Qt::Key_Delete);
+    connect(deleteAction, SIGNAL(triggered()), this, SLOT(slotDeleteItems()));
+
+    // View menu
+
+    KStandardAction::zoomIn(this,
+                            SLOT(zoomIn()),
+                            m_actionCollection);
+
+    KStandardAction::zoomOut(this,
+                             SLOT(zoomOut()),
+                             m_actionCollection);
+
+    KToggleAction* showPreview = m_actionCollection->add<KToggleAction>("show_preview");
+    showPreview->setText(i18nc("@action:intoolbar", "Preview"));
+    showPreview->setIcon(KIcon("view-preview"));
+    connect(showPreview, SIGNAL(triggered(bool)), this, SLOT(togglePreview(bool)));
+
+    KToggleAction* sortDescending = m_actionCollection->add<KToggleAction>("descending");
+    sortDescending->setText(i18nc("@action:inmenu Sort", "Descending"));
+    connect(sortDescending, SIGNAL(triggered()), this, SLOT(toggleSortOrder()));
+
+    QActionGroup* showInformationActionGroup = createAdditionalInformationActionGroup();
+    connect(showInformationActionGroup, SIGNAL(triggered(QAction*)), this, SLOT(toggleAdditionalInfo(QAction*)));
+
+    KToggleAction* showInGroups = m_actionCollection->add<KToggleAction>("show_in_groups");
+    showInGroups->setText(i18nc("@action:inmenu View", "Show in Groups"));
+    connect(showInGroups, SIGNAL(triggered(bool)), this, SLOT(toggleSortCategorization(bool)));
+
+    KToggleAction* showHiddenFiles = m_actionCollection->add<KToggleAction>("show_hidden_files");
+    showHiddenFiles->setText(i18nc("@action:inmenu View", "Show Hidden Files"));
+    showHiddenFiles->setShortcut(Qt::ALT | Qt::Key_Period);
+    connect(showHiddenFiles, SIGNAL(triggered(bool)), this, SLOT(toggleShowHiddenFiles(bool)));
+
+}
+
+QActionGroup* DolphinViewActionHandler::createAdditionalInformationActionGroup()
+{
+    QActionGroup* showInformationGroup = new QActionGroup(m_actionCollection);
+    showInformationGroup->setExclusive(false);
+
+    KToggleAction* showSizeInfo = m_actionCollection->add<KToggleAction>("show_size_info");
+    showSizeInfo->setText(i18nc("@action:inmenu Additional information", "Size"));
+    showSizeInfo->setData(KFileItemDelegate::Size);
+    showSizeInfo->setActionGroup(showInformationGroup);
+
+    KToggleAction* showDateInfo = m_actionCollection->add<KToggleAction>("show_date_info");
+    showDateInfo->setText(i18nc("@action:inmenu Additional information", "Date"));
+    showDateInfo->setData(KFileItemDelegate::ModificationTime);
+    showDateInfo->setActionGroup(showInformationGroup);
+
+    KToggleAction* showPermissionsInfo = m_actionCollection->add<KToggleAction>("show_permissions_info");
+    showPermissionsInfo->setText(i18nc("@action:inmenu Additional information", "Permissions"));
+    showPermissionsInfo->setData(KFileItemDelegate::Permissions);
+    showPermissionsInfo->setActionGroup(showInformationGroup);
+
+    KToggleAction* showOwnerInfo = m_actionCollection->add<KToggleAction>("show_owner_info");
+    showOwnerInfo->setText(i18nc("@action:inmenu Additional information", "Owner"));
+    showOwnerInfo->setData(KFileItemDelegate::Owner);
+    showOwnerInfo->setActionGroup(showInformationGroup);
+
+    KToggleAction* showGroupInfo = m_actionCollection->add<KToggleAction>("show_group_info");
+    showGroupInfo->setText(i18nc("@action:inmenu Additional information", "Group"));
+    showGroupInfo->setData(KFileItemDelegate::OwnerAndGroup);
+    showGroupInfo->setActionGroup(showInformationGroup);
+
+    KToggleAction* showMimeInfo = m_actionCollection->add<KToggleAction>("show_mime_info");
+    showMimeInfo->setText(i18nc("@action:inmenu Additional information", "Type"));
+    showMimeInfo->setData(KFileItemDelegate::FriendlyMimeType);
+    showMimeInfo->setActionGroup(showInformationGroup);
+
+    return showInformationGroup;
+}
+
+void DolphinViewActionHandler::slotCreateDir()
+{
+    Q_ASSERT(m_currentView);
+    KonqOperations::newDir(m_currentView, m_currentView->url());
+}
+
+void DolphinViewActionHandler::slotRename()
+{
+    emit actionBeingHandled();
+    m_currentView->renameSelectedItems();
+}
+
+void DolphinViewActionHandler::slotTrashActivated(Qt::MouseButtons, Qt::KeyboardModifiers modifiers)
+{
+    emit actionBeingHandled();
+    // Note: kde3's konq_mainwindow.cpp used to check
+    // reason == KAction::PopupMenuActivation && ...
+    // but this isn't supported anymore
+    if (modifiers & Qt::ShiftModifier)
+        m_currentView->deleteSelectedItems();
+    else
+        m_currentView->trashSelectedItems();
+}
+
+void DolphinViewActionHandler::slotDeleteItems()
+{
+    emit actionBeingHandled();
+    m_currentView->deleteSelectedItems();
+}
+
+void DolphinViewActionHandler::togglePreview(bool show)
+{
+    emit actionBeingHandled();
+    m_currentView->setShowPreview(show);
+}
+
+void DolphinViewActionHandler::slotShowPreviewChanged()
+{
+    // It is not enough to update the 'Show Preview' action, also
+    // the 'Zoom In' and 'Zoom Out' actions must be adapted.
+    updateViewActions();
+}
+
+void DolphinViewActionHandler::updateViewActions()
+{
+    QAction* zoomInAction = m_actionCollection->action(KStandardAction::stdName(KStandardAction::ZoomIn));
+    if (zoomInAction != 0) {
+        zoomInAction->setEnabled(m_currentView->isZoomInPossible());
+    }
+
+    QAction* zoomOutAction = m_actionCollection->action(KStandardAction::stdName(KStandardAction::ZoomOut));
+    if (zoomOutAction != 0) {
+        zoomOutAction->setEnabled(m_currentView->isZoomOutPossible());
+    }
+
+    QAction* showPreviewAction = m_actionCollection->action("show_preview");
+    showPreviewAction->setChecked(m_currentView->showPreview());
+
+    slotSortOrderChanged(m_currentView->sortOrder());
+    slotAdditionalInfoChanged();
+    slotCategorizedSortingChanged();
+
+    QAction* showHiddenFilesAction = m_actionCollection->action("show_hidden_files");
+    showHiddenFilesAction->setChecked(m_currentView->showHiddenFiles());
+
+}
+
+void DolphinViewActionHandler::zoomIn()
+{
+    m_currentView->zoomIn();
+    updateViewActions();
+}
+
+void DolphinViewActionHandler::zoomOut()
+{
+    m_currentView->zoomOut();
+    updateViewActions();
+}
+
+void DolphinViewActionHandler::toggleSortOrder()
+{
+    m_currentView->toggleSortOrder();
+}
+
+void DolphinViewActionHandler::slotSortOrderChanged(Qt::SortOrder order)
+{
+    QAction* descending = m_actionCollection->action("descending");
+    const bool sortDescending = (order == Qt::DescendingOrder);
+    descending->setChecked(sortDescending);
+}
+
+void DolphinViewActionHandler::toggleAdditionalInfo(QAction* action)
+{
+    emit actionBeingHandled();
+    m_currentView->toggleAdditionalInfo(action);
+}
+
+void DolphinViewActionHandler::slotAdditionalInfoChanged()
+{
+    m_currentView->updateAdditionalInfoActions(m_actionCollection);
+}
+
+void DolphinViewActionHandler::toggleSortCategorization(bool categorizedSorting)
+{
+    m_currentView->setCategorizedSorting(categorizedSorting);
+}
+
+void DolphinViewActionHandler::slotCategorizedSortingChanged()
+{
+    QAction* showInGroupsAction = m_actionCollection->action("show_in_groups");
+    showInGroupsAction->setChecked(m_currentView->categorizedSorting());
+    showInGroupsAction->setEnabled(m_currentView->supportsCategorizedSorting());
+}
+
+void DolphinViewActionHandler::toggleShowHiddenFiles(bool show)
+{
+    emit actionBeingHandled();
+    m_currentView->setShowHiddenFiles(show);
+}
+
+void DolphinViewActionHandler::slotShowHiddenFilesChanged()
+{
+    QAction* showHiddenFilesAction = m_actionCollection->action("show_hidden_files");
+    showHiddenFilesAction->setChecked(m_currentView->showHiddenFiles());
+}
+