src/dolphinpart.cpp

   1 /* This file is part of the KDE project
   2    Copyright (c) 2007 David Faure <faure@kde.org>
   3
   4    This library is free software; you can redistribute it and/or
   5    modify it under the terms of the GNU Library General Public
   6    License as published by the Free Software Foundation; either
   7    version 2 of the License, or (at your option) any later version.
   8
   9    This library is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12    Library General Public License for more details.
  13
  14    You should have received a copy of the GNU Library General Public License
  15    along with this library; see the file COPYING.LIB.  If not, write to
  16    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  17    Boston, MA 02110-1301, USA.
  18 */
  19
  20 #include "dolphinpart.h"
  21 #include "dolphinsortfilterproxymodel.h"
  22 #include "dolphinview.h"
  23 #include "dolphinmodel.h"
  24
  25 #include <kactioncollection.h>
  26 #include <kdirlister.h>
  27 #include <kmessagebox.h>
  28 #include <kparts/genericfactory.h>
  29 #include <ktoggleaction.h>
  30
  31 #include <QActionGroup>
  32 #include <QApplication>
  33 #include <QClipboard>
  34
  35 typedef KParts::GenericFactory<DolphinPart> DolphinPartFactory;
  36 K_EXPORT_COMPONENT_FACTORY(dolphinpart, DolphinPartFactory)
  37
  38 DolphinPart::DolphinPart(QWidget* parentWidget, QObject* parent, const QStringList& args)
  39     : KParts::ReadOnlyPart(parent)
  40 {
  41     Q_UNUSED(args)
  42     setComponentData( DolphinPartFactory::componentData() );
  43     m_extension = new DolphinPartBrowserExtension(this);
  44
  45     m_dirLister = new KDirLister;
  46     m_dirLister->setAutoUpdate(true);
  47     m_dirLister->setMainWindow(parentWidget->topLevelWidget());
  48     m_dirLister->setDelayedMimeTypes(true);
  49
  50     //connect(m_dirLister, SIGNAL(started(KUrl)), this, SLOT(slotStarted()));
  51     connect(m_dirLister, SIGNAL(completed(KUrl)), this, SLOT(slotCompleted(KUrl)));
  52     connect(m_dirLister, SIGNAL(canceled(KUrl)), this, SLOT(slotCanceled(KUrl)));
  53
  54     m_dolphinModel = new DolphinModel(this);
  55     m_dolphinModel->setDirLister(m_dirLister);
  56
  57     m_proxyModel = new DolphinSortFilterProxyModel(this);
  58     m_proxyModel->setSourceModel(m_dolphinModel);
  59
  60     m_view = new DolphinView(parentWidget,
  61                              KUrl(),
  62                              m_dirLister,
  63                              m_dolphinModel,
  64                              m_proxyModel);
  65     setWidget(m_view);
  66
  67     setXMLFile("dolphinpart.rc");
  68
  69     connect(m_view, SIGNAL(infoMessage(QString)),
  70             this, SLOT(slotInfoMessage(QString)));
  71     connect(m_view, SIGNAL(errorMessage(QString)),
  72             this, SLOT(slotErrorMessage(QString)));
  73     connect(m_view, SIGNAL(itemTriggered(KFileItem)),
  74             this, SLOT(slotItemTriggered(KFileItem)));
  75     connect(m_view, SIGNAL(requestContextMenu(KFileItem,KUrl)),
  76             this, SLOT(slotOpenContextMenu(KFileItem,KUrl)));
  77     connect(m_view, SIGNAL(selectionChanged(KFileItemList)),
  78             m_extension, SIGNAL(selectionInfo(KFileItemList)));
  79     connect(m_view, SIGNAL(selectionChanged(KFileItemList)),
  80             this, SLOT(slotSelectionChanged(KFileItemList)));
  81     connect(m_view, SIGNAL(requestItemInfo(KFileItem)),
  82             this, SLOT(slotRequestItemInfo(KFileItem)));
  83     connect(m_view, SIGNAL(urlChanged(KUrl)),
  84             this, SLOT(slotUrlChanged(KUrl)));
  85     connect(m_view, SIGNAL(modeChanged()),
  86             this, SLOT(updateViewActions()));
  87
  88     QClipboard* clipboard = QApplication::clipboard();
  89     connect(clipboard, SIGNAL(dataChanged()),
  90             this, SLOT(updatePasteAction()));
  91
  92     createActions();
  93     updateViewActions();
  94     slotSelectionChanged(KFileItemList()); // initially disable selection-dependent actions
  95
  96     // TODO provide the viewmode actions in the menu, merged with the existing view-mode-actions somehow
  97     // [Q_PROPERTY introspection?]
  98
  99     // TODO sort_by_* actions
 100     // TODO show_*_info actions
 101
 102     // TODO connect to urlsDropped
 103
 104     // TODO there was a "always open a new window" (when clicking on a directory) setting in konqueror
 105     // (sort of spacial navigation)
 106
 107     // TODO MMB-click should do something like KonqDirPart::mmbClicked
 108 }
 109
 110 DolphinPart::~DolphinPart()
 111 {
 112     delete m_dirLister;
 113 }
 114
 115 void DolphinPart::createActions()
 116 {
 117     QActionGroup* viewModeActions = new QActionGroup(this);
 118     viewModeActions->addAction(DolphinView::iconsModeAction(actionCollection()));
 119     viewModeActions->addAction(DolphinView::detailsModeAction(actionCollection()));
 120     viewModeActions->addAction(DolphinView::columnsModeAction(actionCollection()));
 121     connect(viewModeActions, SIGNAL(triggered(QAction*)), this, SLOT(slotViewModeActionTriggered(QAction*)));
 122
 123     KAction* renameAction = DolphinView::createRenameAction(actionCollection());
 124     connect(renameAction, SIGNAL(triggered()), m_view, SLOT(renameSelectedItems()));
 125
 126     KAction* moveToTrashAction = DolphinView::createMoveToTrashAction(actionCollection());
 127     connect(moveToTrashAction, SIGNAL(triggered(Qt::MouseButtons, Qt::KeyboardModifiers)),
 128             this, SLOT(slotTrashActivated(Qt::MouseButtons, Qt::KeyboardModifiers)));
 129
 130     KAction* deleteAction = DolphinView::createDeleteAction(actionCollection());
 131     connect(deleteAction, SIGNAL(triggered()), m_view, SLOT(deleteSelectedItems()));
 132 }
 133
 134 void DolphinPart::slotSelectionChanged(const KFileItemList& selection)
 135 {
 136     // Yes, DolphinMainWindow has very similar code :/
 137     const bool hasSelection = !selection.isEmpty();
 138     if (!hasSelection) {
 139         stateChanged("has_no_selection");
 140     } else {
 141         stateChanged("has_selection");
 142     }
 143
 144     QStringList actions;
 145     actions << "rename" << "move_to_trash" << "delete";
 146     foreach(const QString& actionName, actions) {
 147         QAction* action = actionCollection()->action(actionName);
 148         Q_ASSERT(action);
 149         if (action) {
 150             action->setEnabled(hasSelection);
 151         }
 152     }
 153
 154     emit m_extension->enableAction("cut", hasSelection);
 155     emit m_extension->enableAction("copy", hasSelection);
 156 }
 157
 158 void DolphinPart::updatePasteAction()
 159 {
 160     QPair<bool, QString> pasteInfo = m_view->pasteInfo();
 161     emit m_extension->enableAction( "paste", pasteInfo.first );
 162     emit m_extension->setActionText( "paste", pasteInfo.second );
 163 }
 164
 165 void DolphinPart::updateViewActions()
 166 {
 167     QAction* action = actionCollection()->action(m_view->currentViewModeActionName());
 168     if (action != 0) {
 169         KToggleAction* toggleAction = static_cast<KToggleAction*>(action);
 170         toggleAction->setChecked(true);
 171     }
 172 }
 173
 174 KAboutData* DolphinPart::createAboutData()
 175 {
 176     return new KAboutData("dolphinpart", 0, ki18nc("@title", "Dolphin Part"), "0.1");
 177 }
 178
 179 bool DolphinPart::openUrl(const KUrl& url)
 180 {
 181     const bool reload = arguments().reload();
 182     if (m_view->url() == url && !reload) { // DolphinView won't do anything in that case, so don't emit started
 183         return true;
 184     }
 185     setUrl(url); // remember it at the KParts level
 186     const QString prettyUrl = url.pathOrUrl();
 187     emit setWindowCaption(prettyUrl);
 188     emit m_extension->setLocationBarUrl(prettyUrl);
 189     m_view->setUrl(url);
 190     if (reload)
 191         m_view->reload();
 192     emit started(0); // get the wheel to spin
 193     return true;
 194 }
 195
 196 void DolphinPart::slotCompleted(const KUrl& url)
 197 {
 198     Q_UNUSED(url)
 199     emit completed();
 200 }
 201
 202 void DolphinPart::slotCanceled(const KUrl& url)
 203 {
 204     slotCompleted(url);
 205 }
 206
 207 void DolphinPart::slotInfoMessage(const QString& msg)
 208 {
 209     emit setStatusBarText(msg);
 210 }
 211
 212 void DolphinPart::slotErrorMessage(const QString& msg)
 213 {
 214     KMessageBox::error(m_view, msg);
 215 }
 216
 217 void DolphinPart::slotRequestItemInfo(const KFileItem& item)
 218 {
 219     emit m_extension->mouseOverInfo(item);
 220 }
 221
 222 void DolphinPart::slotItemTriggered(const KFileItem& item)
 223 {
 224     qDebug() << QApplication::mouseButtons();
 225     if (QApplication::mouseButtons() & Qt::MidButton) {
 226         qDebug() << "MMB!!" << item.mimetype();
 227         if (item.mimeTypePtr()->is("inode/directory")) {
 228             KParts::OpenUrlArguments args;
 229             args.setMimeType( item.mimetype() );
 230             emit m_extension->createNewWindow( item.url(), args );
 231         } else {
 232             qDebug() << "run()";
 233             item.run();
 234         }
 235     } else {
 236         // Left button. [Right button goes to slotOpenContextMenu before triggered can be emitted]
 237         qDebug() << "LMB";
 238         emit m_extension->openUrlRequest(item.url());
 239     }
 240 }
 241
 242 void DolphinPart::slotOpenContextMenu(const KFileItem& _item, const KUrl&)
 243 {
 244     KParts::BrowserExtension::PopupFlags popupFlags = KParts::BrowserExtension::DefaultPopupItems
 245                                                       | KParts::BrowserExtension::ShowProperties
 246                                                       | KParts::BrowserExtension::ShowUrlOperations;
 247     // TODO KonqKfmIconView had if ( !rootItem->isWritable() )
 248     //            popupFlags |= KParts::BrowserExtension::NoDeletion;
 249
 250     KFileItem item(_item);
 251
 252     if (item.isNull()) { // viewport context menu
 253         popupFlags |= KParts::BrowserExtension::ShowNavigationItems | KParts::BrowserExtension::ShowUp;
 254         // TODO get m_dirLister->rootItem if possible. or via kdirmodel?
 255         // and use this as fallback:
 256         item = KFileItem( S_IFDIR, (mode_t)-1, url() );
 257     }
 258
 259     KParts::BrowserExtension::ActionGroupMap actionGroups;
 260     QList<QAction *> editActions;
 261     editActions.append(actionCollection()->action("rename"));
 262     editActions.append(actionCollection()->action("move_to_trash"));
 263     editActions.append(actionCollection()->action("delete"));
 264     actionGroups.insert("editactions", editActions);
 265
 266     KFileItemList items; items.append(item);
 267     emit m_extension->popupMenu(QCursor::pos(),
 268                                 items,
 269                                 KParts::OpenUrlArguments(),
 270                                 KParts::BrowserArguments(),
 271                                 popupFlags,
 272                                 actionGroups);
 273 }
 274
 275 void DolphinPart::slotViewModeActionTriggered(QAction* action)
 276 {
 277     const DolphinView::Mode mode = action->data().value<DolphinView::Mode>();
 278     m_view->setMode(mode);
 279 }
 280
 281 void DolphinPart::slotUrlChanged(const KUrl& url)
 282 {
 283     if (m_view->url() != url) {
 284         // If the view URL is not equal to 'url', then an inner URL change has
 285         // been done (e. g. by activating an existing column in the column view).
 286         // From the hosts point of view this must be handled like changing the URL.
 287         emit m_extension->openUrlRequest(url);
 288     }
 289 }
 290
 291 ////
 292
 293 void DolphinPartBrowserExtension::cut()
 294 {
 295     m_part->view()->cutSelectedItems();
 296 }
 297
 298 void DolphinPartBrowserExtension::copy()
 299 {
 300     m_part->view()->copySelectedItems();
 301 }
 302
 303 void DolphinPartBrowserExtension::paste()
 304 {
 305     m_part->view()->paste();
 306 }
 307
 308 ////
 309
 310 void DolphinPart::slotTrashActivated(Qt::MouseButtons, Qt::KeyboardModifiers modifiers)
 311 {
 312     // Note: kde3's konq_mainwindow.cpp used to check
 313     // reason == KAction::PopupMenuActivation && ...
 314     // but this isn't supported anymore
 315     if (modifiers & Qt::ShiftModifier)
 316         m_view->deleteSelectedItems();
 317     else
 318         m_view->trashSelectedItems();
 319 }
 320
 321 #include "dolphinpart.moc"