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 <konq_operations.h>
  26
  27 #include <kactioncollection.h>
  28 #include <kdirlister.h>
  29 #include <kmessagebox.h>
  30 #include <kparts/genericfactory.h>
  31 #include <ktoggleaction.h>
  32 #include <kconfiggroup.h>
  33
  34 #include <QActionGroup>
  35 #include <QApplication>
  36 #include <QClipboard>
  37
  38 typedef KParts::GenericFactory<DolphinPart> DolphinPartFactory;
  39 K_EXPORT_COMPONENT_FACTORY(dolphinpart, DolphinPartFactory)
  40
  41 DolphinPart::DolphinPart(QWidget* parentWidget, QObject* parent, const QStringList& args)
  42     : KParts::ReadOnlyPart(parent)
  43 {
  44     Q_UNUSED(args)
  45
  46     KGlobal::locale()->insertCatalog("dolphin");
  47
  48     setComponentData( DolphinPartFactory::componentData() );
  49     m_extension = new DolphinPartBrowserExtension(this);
  50
  51     m_dirLister = new KDirLister;
  52     m_dirLister->setAutoUpdate(true);
  53     m_dirLister->setMainWindow(parentWidget->topLevelWidget());
  54     m_dirLister->setDelayedMimeTypes(true);
  55
  56     //connect(m_dirLister, SIGNAL(started(KUrl)), this, SLOT(slotStarted()));
  57     connect(m_dirLister, SIGNAL(completed(KUrl)), this, SLOT(slotCompleted(KUrl)));
  58     connect(m_dirLister, SIGNAL(canceled(KUrl)), this, SLOT(slotCanceled(KUrl)));
  59
  60     m_dolphinModel = new DolphinModel(this);
  61     m_dolphinModel->setDirLister(m_dirLister);
  62
  63     m_proxyModel = new DolphinSortFilterProxyModel(this);
  64     m_proxyModel->setSourceModel(m_dolphinModel);
  65
  66     m_view = new DolphinView(parentWidget,
  67                              KUrl(),
  68                              m_dirLister,
  69                              m_dolphinModel,
  70                              m_proxyModel);
  71     setWidget(m_view);
  72
  73     setXMLFile("dolphinpart.rc");
  74
  75     connect(m_view, SIGNAL(infoMessage(QString)),
  76             this, SLOT(slotInfoMessage(QString)));
  77     connect(m_view, SIGNAL(errorMessage(QString)),
  78             this, SLOT(slotErrorMessage(QString)));
  79     connect(m_view, SIGNAL(itemTriggered(KFileItem)),
  80             this, SLOT(slotItemTriggered(KFileItem)));
  81     connect(m_view, SIGNAL(requestContextMenu(KFileItem,KUrl)),
  82             this, SLOT(slotOpenContextMenu(KFileItem,KUrl)));
  83     connect(m_view, SIGNAL(selectionChanged(KFileItemList)),
  84             m_extension, SIGNAL(selectionInfo(KFileItemList)));
  85     connect(m_view, SIGNAL(selectionChanged(KFileItemList)),
  86             this, SLOT(slotSelectionChanged(KFileItemList)));
  87     connect(m_view, SIGNAL(requestItemInfo(KFileItem)),
  88             this, SLOT(slotRequestItemInfo(KFileItem)));
  89     connect(m_view, SIGNAL(urlChanged(KUrl)),
  90             this, SLOT(slotUrlChanged(KUrl)));
  91     connect(m_view, SIGNAL(modeChanged()),
  92             this, SLOT(updateViewActions()));
  93
  94     QClipboard* clipboard = QApplication::clipboard();
  95     connect(clipboard, SIGNAL(dataChanged()),
  96             this, SLOT(updatePasteAction()));
  97
  98     createActions();
  99     updateViewActions();
 100     slotSelectionChanged(KFileItemList()); // initially disable selection-dependent actions
 101
 102     // TODO provide the viewmode actions in the menu, merged with the existing view-mode-actions somehow
 103     // [Q_PROPERTY introspection?]
 104
 105     // TODO sort_by_* actions
 106     // TODO show_*_info actions
 107
 108     // TODO connect to urlsDropped
 109
 110     // TODO there was a "always open a new window" (when clicking on a directory) setting in konqueror
 111     // (sort of spacial navigation)
 112
 113     // TODO MMB-click should do something like KonqDirPart::mmbClicked
 114 }
 115
 116 DolphinPart::~DolphinPart()
 117 {
 118     delete m_dirLister;
 119 }
 120
 121 void DolphinPart::createActions()
 122 {
 123     QActionGroup* viewModeActions = new QActionGroup(this);
 124     viewModeActions->addAction(DolphinView::iconsModeAction(actionCollection()));
 125     viewModeActions->addAction(DolphinView::detailsModeAction(actionCollection()));
 126     viewModeActions->addAction(DolphinView::columnsModeAction(actionCollection()));
 127     connect(viewModeActions, SIGNAL(triggered(QAction*)), this, SLOT(slotViewModeActionTriggered(QAction*)));
 128
 129     KAction* renameAction = DolphinView::createRenameAction(actionCollection());
 130     connect(renameAction, SIGNAL(triggered()), m_view, SLOT(renameSelectedItems()));
 131
 132     KAction* moveToTrashAction = DolphinView::createMoveToTrashAction(actionCollection());
 133     connect(moveToTrashAction, SIGNAL(triggered(Qt::MouseButtons, Qt::KeyboardModifiers)),
 134             this, SLOT(slotTrashActivated(Qt::MouseButtons, Qt::KeyboardModifiers)));
 135
 136     KAction* deleteAction = DolphinView::createDeleteAction(actionCollection());
 137     connect(deleteAction, SIGNAL(triggered()), m_view, SLOT(deleteSelectedItems()));
 138
 139     // This action doesn't appear in the GUI, it's for the shortcut only.
 140     // KNewMenu takes care of the GUI stuff.
 141     KAction* newDirAction = actionCollection()->addAction( "create_dir" );
 142     newDirAction->setText( i18n("Create Folder..." ) );
 143     connect(newDirAction, SIGNAL(triggered()), SLOT(slotNewDir()));
 144     newDirAction->setShortcut(Qt::Key_F10);
 145     widget()->addAction(newDirAction);
 146 }
 147
 148 void DolphinPart::slotSelectionChanged(const KFileItemList& selection)
 149 {
 150     // Yes, DolphinMainWindow has very similar code :/
 151     const bool hasSelection = !selection.isEmpty();
 152     if (!hasSelection) {
 153         stateChanged("has_no_selection");
 154     } else {
 155         stateChanged("has_selection");
 156     }
 157
 158     QStringList actions;
 159     actions << "rename" << "move_to_trash" << "delete";
 160     foreach(const QString& actionName, actions) {
 161         QAction* action = actionCollection()->action(actionName);
 162         Q_ASSERT(action);
 163         if (action) {
 164             action->setEnabled(hasSelection);
 165         }
 166     }
 167
 168     emit m_extension->enableAction("cut", hasSelection);
 169     emit m_extension->enableAction("copy", hasSelection);
 170 }
 171
 172 void DolphinPart::updatePasteAction()
 173 {
 174     QPair<bool, QString> pasteInfo = m_view->pasteInfo();
 175     emit m_extension->enableAction( "paste", pasteInfo.first );
 176     emit m_extension->setActionText( "paste", pasteInfo.second );
 177 }
 178
 179 void DolphinPart::updateViewActions()
 180 {
 181     QAction* action = actionCollection()->action(m_view->currentViewModeActionName());
 182     if (action != 0) {
 183         KToggleAction* toggleAction = static_cast<KToggleAction*>(action);
 184         toggleAction->setChecked(true);
 185     }
 186 }
 187
 188 KAboutData* DolphinPart::createAboutData()
 189 {
 190     return new KAboutData("dolphinpart", 0, ki18nc("@title", "Dolphin Part"), "0.1");
 191 }
 192
 193 bool DolphinPart::openUrl(const KUrl& url)
 194 {
 195     const bool reload = arguments().reload();
 196     if (m_view->url() == url && !reload) { // DolphinView won't do anything in that case, so don't emit started
 197         return true;
 198     }
 199     setUrl(url); // remember it at the KParts level
 200     const QString prettyUrl = url.pathOrUrl();
 201     emit setWindowCaption(prettyUrl);
 202     emit m_extension->setLocationBarUrl(prettyUrl);
 203     m_view->setUrl(url);
 204     if (reload)
 205         m_view->reload();
 206     emit started(0); // get the wheel to spin
 207     return true;
 208 }
 209
 210 void DolphinPart::slotCompleted(const KUrl& url)
 211 {
 212     Q_UNUSED(url)
 213     emit completed();
 214 }
 215
 216 void DolphinPart::slotCanceled(const KUrl& url)
 217 {
 218     slotCompleted(url);
 219 }
 220
 221 void DolphinPart::slotInfoMessage(const QString& msg)
 222 {
 223     emit setStatusBarText(msg);
 224 }
 225
 226 void DolphinPart::slotErrorMessage(const QString& msg)
 227 {
 228     KMessageBox::error(m_view, msg);
 229 }
 230
 231 void DolphinPart::slotRequestItemInfo(const KFileItem& item)
 232 {
 233     emit m_extension->mouseOverInfo(item);
 234 }
 235
 236 void DolphinPart::slotItemTriggered(const KFileItem& item)
 237 {
 238     qDebug() << QApplication::mouseButtons();
 239     if (QApplication::mouseButtons() & Qt::MidButton) {
 240         qDebug() << "MMB!!" << item.mimetype();
 241         if (item.mimeTypePtr()->is("inode/directory")) {
 242             KParts::OpenUrlArguments args;
 243             args.setMimeType( item.mimetype() );
 244             emit m_extension->createNewWindow( item.url(), args );
 245         } else {
 246             qDebug() << "run()";
 247             item.run();
 248         }
 249     } else {
 250         // Left button. [Right button goes to slotOpenContextMenu before triggered can be emitted]
 251         qDebug() << "LMB";
 252         emit m_extension->openUrlRequest(item.url());
 253     }
 254 }
 255
 256 void DolphinPart::slotOpenContextMenu(const KFileItem& _item, const KUrl&)
 257 {
 258     KParts::BrowserExtension::PopupFlags popupFlags = KParts::BrowserExtension::DefaultPopupItems
 259                                                       | KParts::BrowserExtension::ShowProperties
 260                                                       | KParts::BrowserExtension::ShowUrlOperations;
 261     // TODO KonqKfmIconView had if ( !rootItem->isWritable() )
 262     //            popupFlags |= KParts::BrowserExtension::NoDeletion;
 263
 264     KFileItem item(_item);
 265
 266     if (item.isNull()) { // viewport context menu
 267         popupFlags |= KParts::BrowserExtension::ShowNavigationItems | KParts::BrowserExtension::ShowUp;
 268         // TODO get m_dirLister->rootItem if possible. or via kdirmodel?
 269         // and use this as fallback:
 270         item = KFileItem( S_IFDIR, (mode_t)-1, url() );
 271     }
 272
 273     KParts::BrowserExtension::ActionGroupMap actionGroups;
 274     QList<QAction *> editActions;
 275
 276     if (!item.isNull()) { // only for context menu on one or more items
 277         // TODO if ( sMoving )
 278         editActions.append(actionCollection()->action("rename"));
 279
 280         bool addTrash = false;
 281         bool addDel = false;
 282
 283         // TODO if ( sMoving && !isIntoTrash && !isTrashLink )
 284         addTrash = true;
 285
 286         /* TODO if ( sDeleting ) */ {
 287             if ( !item.isLocalFile() )
 288                 addDel = true;
 289             else if (QApplication::keyboardModifiers() & Qt::ShiftModifier) {
 290                 addTrash = false;
 291                 addDel = true;
 292             }
 293             else {
 294                 KConfigGroup configGroup( KGlobal::config(), "KDE" );
 295                 if ( configGroup.readEntry( "ShowDeleteCommand", false) )
 296                     addDel = true;
 297             }
 298         }
 299
 300         if (addTrash)
 301             editActions.append(actionCollection()->action("move_to_trash"));
 302         if (addDel)
 303             editActions.append(actionCollection()->action("delete"));
 304         actionGroups.insert("editactions", editActions);
 305
 306         KFileItemList items; items.append(item);
 307         emit m_extension->popupMenu(QCursor::pos(),
 308                                     items,
 309                                     KParts::OpenUrlArguments(),
 310                                     KParts::BrowserArguments(),
 311                                     popupFlags,
 312                                     actionGroups);
 313     }
 314 }
 315
 316 void DolphinPart::slotViewModeActionTriggered(QAction* action)
 317 {
 318     const DolphinView::Mode mode = action->data().value<DolphinView::Mode>();
 319     m_view->setMode(mode);
 320 }
 321
 322 void DolphinPart::slotUrlChanged(const KUrl& url)
 323 {
 324     if (m_view->url() != url) {
 325         // If the view URL is not equal to 'url', then an inner URL change has
 326         // been done (e. g. by activating an existing column in the column view).
 327         // From the hosts point of view this must be handled like changing the URL.
 328         emit m_extension->openUrlRequest(url);
 329     }
 330 }
 331
 332 ////
 333
 334 void DolphinPartBrowserExtension::cut()
 335 {
 336     m_part->view()->cutSelectedItems();
 337 }
 338
 339 void DolphinPartBrowserExtension::copy()
 340 {
 341     m_part->view()->copySelectedItems();
 342 }
 343
 344 void DolphinPartBrowserExtension::paste()
 345 {
 346     m_part->view()->paste();
 347 }
 348
 349 ////
 350
 351 void DolphinPart::slotTrashActivated(Qt::MouseButtons, Qt::KeyboardModifiers modifiers)
 352 {
 353     // Note: kde3's konq_mainwindow.cpp used to check
 354     // reason == KAction::PopupMenuActivation && ...
 355     // but this isn't supported anymore
 356     if (modifiers & Qt::ShiftModifier)
 357         m_view->deleteSelectedItems();
 358     else
 359         m_view->trashSelectedItems();
 360 }
 361
 362 void DolphinPart::slotNewDir()
 363 {
 364     KonqOperations::newDir(widget(), url());
 365 }
 366
 367 #include "dolphinpart.moc"