src/dolphincontextmenu.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2006 by Peter Penz (peter.penz@gmx.at) and              *
   3  *   Cvetoslav Ludmiloff                                                   *
   4  *                                                                         *
   5  *   This program is free software; you can redistribute it and/or modify  *
   6  *   it under the terms of the GNU General Public License as published by  *
   7  *   the Free Software Foundation; either version 2 of the License, or     *
   8  *   (at your option) any later version.                                   *
   9  *                                                                         *
  10  *   This program is distributed in the hope that it will be useful,       *
  11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  13  *   GNU General Public License for more details.                          *
  14  *                                                                         *
  15  *   You should have received a copy of the GNU General Public License     *
  16  *   along with this program; if not, write to the                         *
  17  *   Free Software Foundation, Inc.,                                       *
  18  *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA            *
  19  ***************************************************************************/
  20
  21 #include "dolphincontextmenu.h"
  22
  23 #include "dolphinmainwindow.h"
  24 #include "dolphinsettings.h"
  25 #include "dolphinview.h"
  26 #include "dolphinviewcontainer.h"
  27 #include "dolphin_generalsettings.h"
  28 #include "fileitemcapabilities.h"
  29
  30 #include <kactioncollection.h>
  31 #include <kfileplacesmodel.h>
  32 #include <kdesktopfile.h>
  33 #include <kglobal.h>
  34 #include <kiconloader.h>
  35 #include <kio/netaccess.h>
  36 #include <kmenu.h>
  37 #include <kmenubar.h>
  38 #include <kmessagebox.h>
  39 #include <kmimetypetrader.h>
  40 #include <knewmenu.h>
  41 #include <konqmimedata.h>
  42 #include <konq_operations.h>
  43 #include <konq_menuactions.h>
  44 #include <konq_popupmenuinformation.h>
  45 #include <klocale.h>
  46 #include <kpropertiesdialog.h>
  47 #include <krun.h>
  48 #include <kstandardaction.h>
  49 #include <kstandarddirs.h>
  50
  51 #include <QtGui/QApplication>
  52 #include <QtGui/QClipboard>
  53 #include <QtCore/QDir>
  54
  55 DolphinContextMenu::DolphinContextMenu(DolphinMainWindow* parent,
  56                                        const KFileItem& fileInfo,
  57                                        const KUrl& baseUrl) :
  58     m_mainWindow(parent),
  59     m_capabilities(0),
  60     m_fileInfo(fileInfo),
  61     m_baseUrl(baseUrl),
  62     m_context(NoContext)
  63 {
  64     // The context menu either accesses the URLs of the selected items
  65     // or the items itself. To increase the performance both lists are cached.
  66     DolphinView* view = m_mainWindow->activeViewContainer()->view();
  67     m_selectedUrls = view->selectedUrls();
  68     m_selectedItems = view->selectedItems();
  69 }
  70
  71 DolphinContextMenu::~DolphinContextMenu()
  72 {
  73     delete m_capabilities;
  74     m_capabilities = 0;
  75 }
  76
  77 void DolphinContextMenu::open()
  78 {
  79     // get the context information
  80     if (m_baseUrl.protocol() == "trash") {
  81         m_context |= TrashContext;
  82     }
  83
  84     if (!m_fileInfo.isNull() && (m_selectedItems.count() > 0)) {
  85         m_context |= ItemContext;
  86         // TODO: handle other use cases like devices + desktop files
  87     }
  88
  89     // open the corresponding popup for the context
  90     if (m_context & TrashContext) {
  91         if (m_context & ItemContext) {
  92             openTrashItemContextMenu();
  93         } else {
  94             openTrashContextMenu();
  95         }
  96     } else if (m_context & ItemContext) {
  97         openItemContextMenu();
  98     } else {
  99         Q_ASSERT(m_context == NoContext);
 100         openViewportContextMenu();
 101     }
 102 }
 103
 104 void DolphinContextMenu::openTrashContextMenu()
 105 {
 106     Q_ASSERT(m_context & TrashContext);
 107
 108     KMenu* popup = new KMenu(m_mainWindow);
 109
 110     addShowMenubarAction(popup);
 111
 112     QAction* emptyTrashAction = new QAction(KIcon("trash-empty"), i18nc("@action:inmenu", "Empty Trash"), popup);
 113     KConfig trashConfig("trashrc", KConfig::SimpleConfig);
 114     emptyTrashAction->setEnabled(!trashConfig.group("Status").readEntry("Empty", true));
 115     popup->addAction(emptyTrashAction);
 116
 117     QAction* addToPlacesAction = popup->addAction(KIcon("bookmark-new"),
 118                                                   i18nc("@action:inmenu Add current folder to places", "Add to Places"));
 119
 120     QAction* propertiesAction = m_mainWindow->actionCollection()->action("properties");
 121     popup->addAction(propertiesAction);
 122
 123     QAction *action = popup->exec(QCursor::pos());
 124     if (action == emptyTrashAction) {
 125         const QString text(i18nc("@info", "Do you really want to empty the Trash? All items will be deleted."));
 126         const bool del = KMessageBox::warningContinueCancel(m_mainWindow,
 127                                                             text,
 128                                                             QString(),
 129                                                             KGuiItem(i18nc("@action:button", "Empty Trash"),
 130                                                                      KIcon("user-trash"))
 131                                                            ) == KMessageBox::Continue;
 132         if (del) {
 133             KonqOperations::emptyTrash(m_mainWindow);
 134         }
 135     } else if (action == addToPlacesAction) {
 136         const KUrl& url = m_mainWindow->activeViewContainer()->url();
 137         if (url.isValid()) {
 138             DolphinSettings::instance().placesModel()->addPlace(i18nc("@label", "Trash"), url);
 139         }
 140     }
 141
 142     popup->deleteLater();
 143 }
 144
 145 void DolphinContextMenu::openTrashItemContextMenu()
 146 {
 147     Q_ASSERT(m_context & TrashContext);
 148     Q_ASSERT(m_context & ItemContext);
 149
 150     KMenu* popup = new KMenu(m_mainWindow);
 151
 152     addShowMenubarAction(popup);
 153
 154     QAction* restoreAction = new QAction(i18nc("@action:inmenu", "Restore"), m_mainWindow);
 155     popup->addAction(restoreAction);
 156
 157     QAction* deleteAction = m_mainWindow->actionCollection()->action("delete");
 158     popup->addAction(deleteAction);
 159
 160     QAction* propertiesAction = m_mainWindow->actionCollection()->action("properties");
 161     popup->addAction(propertiesAction);
 162
 163     if (popup->exec(QCursor::pos()) == restoreAction) {
 164         KonqOperations::restoreTrashedItems(m_selectedUrls, m_mainWindow);
 165     }
 166
 167     popup->deleteLater();
 168 }
 169
 170 void DolphinContextMenu::openItemContextMenu()
 171 {
 172     Q_ASSERT(!m_fileInfo.isNull());
 173
 174     KMenu* popup = new KMenu(m_mainWindow);
 175     addShowMenubarAction(popup);
 176     insertDefaultItemActions(popup);
 177
 178     popup->addSeparator();
 179
 180     // insert 'Bookmark This Folder' entry if exactly one item is selected
 181     QAction* addToPlacesAction = 0;
 182     if (m_fileInfo.isDir() && (m_selectedUrls.count() == 1)) {
 183         addToPlacesAction = popup->addAction(KIcon("bookmark-new"),
 184                                              i18nc("@action:inmenu Add selected folder to places", "Add to Places"));
 185     }
 186
 187     // Insert 'Open With...' sub menu
 188     QVector<KService::Ptr> openWithVector;
 189     const QList<QAction*> openWithActions = insertOpenWithItems(popup, openWithVector);
 190
 191     // Insert 'Actions' sub menu
 192     KonqMenuActions menuActions;
 193     KonqPopupMenuInformation menuInfo;
 194     menuInfo.setItems(m_selectedItems);
 195     menuActions.setPopupMenuInfo(menuInfo);
 196     if (menuActions.addActionsTo(popup)) {
 197         popup->addSeparator();
 198     }
 199
 200     // Insert 'Copy To' and 'Move To' sub menus
 201     if (DolphinSettings::instance().generalSettings()->showCopyMoveMenu()) {
 202         m_copyToMenu.setItems(m_selectedItems);
 203         m_copyToMenu.setReadOnly(!capabilities().supportsMoving());
 204         m_copyToMenu.addActionsTo(popup);
 205         popup->addSeparator();
 206     }
 207
 208     // insert 'Properties...' entry
 209     QAction* propertiesAction = m_mainWindow->actionCollection()->action("properties");
 210     popup->addAction(propertiesAction);
 211
 212     QAction* activatedAction = popup->exec(QCursor::pos());
 213
 214     if ((addToPlacesAction != 0) && (activatedAction == addToPlacesAction)) {
 215         const KUrl selectedUrl(m_fileInfo.url());
 216         if (selectedUrl.isValid()) {
 217             DolphinSettings::instance().placesModel()->addPlace(placesName(selectedUrl),
 218                                                                 selectedUrl);
 219         }
 220     } else if (openWithActions.contains(activatedAction)) {
 221         // one of the 'Open With' items has been selected
 222         if (openWithActions.last() == activatedAction) {
 223             // the item 'Other...' has been selected
 224             KRun::displayOpenWithDialog(m_selectedUrls, m_mainWindow);
 225         } else {
 226             int id = openWithActions.indexOf(activatedAction);
 227             KService::Ptr servicePtr = openWithVector[id];
 228             KRun::run(*servicePtr, m_selectedUrls, m_mainWindow);
 229         }
 230     }
 231
 232     openWithVector.clear();
 233     popup->deleteLater();
 234 }
 235
 236 void DolphinContextMenu::openViewportContextMenu()
 237 {
 238     KMenu* popup = new KMenu(m_mainWindow);
 239
 240     addShowMenubarAction(popup);
 241
 242     // setup 'Create New' menu
 243     KNewMenu* newMenu = m_mainWindow->newMenu();
 244     newMenu->slotCheckUpToDate();
 245     newMenu->setPopupFiles(m_baseUrl);
 246     popup->addMenu(newMenu->menu());
 247     popup->addSeparator();
 248
 249     QAction* pasteAction = createPasteAction();
 250     popup->addAction(pasteAction);
 251
 252     // setup 'View Mode' menu
 253     KMenu* viewModeMenu = new KMenu(i18nc("@title:menu", "View Mode"));
 254
 255     QAction* iconsMode = m_mainWindow->actionCollection()->action("icons");
 256     viewModeMenu->addAction(iconsMode);
 257
 258     QAction* detailsMode = m_mainWindow->actionCollection()->action("details");
 259     viewModeMenu->addAction(detailsMode);
 260
 261     QAction* columnsMode = m_mainWindow->actionCollection()->action("columns");
 262     viewModeMenu->addAction(columnsMode);
 263
 264     QAction* previewsMode = m_mainWindow->actionCollection()->action("previews");
 265     viewModeMenu->addAction(previewsMode);
 266
 267     popup->addMenu(viewModeMenu);
 268
 269     popup->addSeparator();
 270
 271     QAction* addToPlacesAction = popup->addAction(KIcon("bookmark-new"),
 272                                                   i18nc("@action:inmenu Add current folder to places", "Add to Places"));
 273     popup->addSeparator();
 274
 275     QAction* propertiesAction = popup->addAction(i18nc("@action:inmenu", "Properties"));
 276
 277     QAction* action = popup->exec(QCursor::pos());
 278     if (action == propertiesAction) {
 279         const KUrl& url = m_mainWindow->activeViewContainer()->url();
 280         KPropertiesDialog dialog(url, m_mainWindow);
 281         dialog.exec();
 282     } else if (action == addToPlacesAction) {
 283         const KUrl& url = m_mainWindow->activeViewContainer()->url();
 284         if (url.isValid()) {
 285             DolphinSettings::instance().placesModel()->addPlace(placesName(url), url);
 286         }
 287     }
 288
 289     popup->deleteLater();
 290 }
 291
 292 void DolphinContextMenu::insertDefaultItemActions(KMenu* popup)
 293 {
 294     Q_ASSERT(popup != 0);
 295     const KActionCollection* collection = m_mainWindow->actionCollection();
 296
 297     // insert 'Cut', 'Copy' and 'Paste'
 298     QAction* cutAction = collection->action(KStandardAction::name(KStandardAction::Cut));
 299     QAction* copyAction  = collection->action(KStandardAction::name(KStandardAction::Copy));
 300     QAction* pasteAction = createPasteAction();
 301
 302     popup->addAction(cutAction);
 303     popup->addAction(copyAction);
 304     popup->addAction(pasteAction);
 305     popup->addSeparator();
 306
 307     // insert 'Rename'
 308     QAction* renameAction = collection->action("rename");
 309     popup->addAction(renameAction);
 310
 311     // insert 'Move to Trash' and (optionally) 'Delete'
 312     KConfigGroup kdeConfig(KGlobal::config(), "KDE");
 313     bool showDeleteCommand = kdeConfig.readEntry("ShowDeleteCommand", false);
 314     const KUrl& url = m_mainWindow->activeViewContainer()->url();
 315     if (url.isLocalFile()) {
 316         QAction* moveToTrashAction = collection->action("move_to_trash");
 317         popup->addAction(moveToTrashAction);
 318     } else {
 319         showDeleteCommand = true;
 320     }
 321
 322     if (showDeleteCommand) {
 323         QAction* deleteAction = collection->action("delete");
 324         popup->addAction(deleteAction);
 325     }
 326 }
 327
 328 QList<QAction*> DolphinContextMenu::insertOpenWithItems(KMenu* popup,
 329         QVector<KService::Ptr>& openWithVector)
 330 {
 331     // Parts of the following code have been taken
 332     // from the class KonqOperations located in
 333     // libqonq/konq_operations.h of Konqueror.
 334     // (Copyright (C) 2000  David Faure <faure@kde.org>)
 335
 336     // Prepare 'Open With' sub menu. Usually a sub menu is created, where all applications
 337     // are listed which are registered to open the item. As last entry "Other..." will be
 338     // attached which allows to select a custom application. If no applications are registered
 339     // no sub menu is created at all, only "Open With..." will be offered.
 340     bool insertOpenWithItems = true;
 341     const QString contextMimeType(m_fileInfo.mimetype());
 342
 343     QListIterator<KFileItem> mimeIt(m_selectedItems);
 344     while (insertOpenWithItems && mimeIt.hasNext()) {
 345         KFileItem item = mimeIt.next();
 346         insertOpenWithItems = (contextMimeType == item.mimetype());
 347     }
 348
 349     QList<QAction*> openWithActions;
 350     if (insertOpenWithItems) {
 351         // fill the 'Open with' sub menu with application types
 352         const KMimeType::Ptr mimePtr = KMimeType::findByUrl(m_fileInfo.url());
 353         KService::List offers = KMimeTypeTrader::self()->query(mimePtr->name(),
 354                                 "Application",
 355                                 "Type == 'Application'");
 356         if (offers.count() > 0) {
 357             KService::List::Iterator it;
 358             KMenu* openWithMenu = new KMenu(i18nc("@title:menu", "Open With"));
 359             for (it = offers.begin(); it != offers.end(); ++it) {
 360                 // The offer list from the KTrader returns duplicate
 361                 // application entries. Although this seems to be a configuration
 362                 // problem outside the scope of Dolphin, duplicated entries just
 363                 // will be skipped here.
 364                 const QString appName((*it)->name());
 365                 if (!containsEntry(openWithMenu, appName)) {
 366                     const KIcon icon((*it)->icon());
 367                     QAction* action = openWithMenu->addAction(icon, appName);
 368                     openWithVector.append(*it);
 369                     openWithActions << action;
 370                 }
 371             }
 372
 373             openWithMenu->addSeparator();
 374             QAction* action = openWithMenu->addAction(i18nc("@action:inmenu Open With", "&Other..."));
 375
 376             openWithActions << action;
 377             popup->addMenu(openWithMenu);
 378         } else {
 379             // No applications are registered, hence just offer
 380             // a "Open With..." item instead of a sub menu containing
 381             // only one entry.
 382             QAction* action = popup->addAction(i18nc("@title:menu", "Open With..."));
 383             openWithActions << action;
 384         }
 385     } else {
 386         // At least one of the selected items has a different MIME type. In this case
 387         // just show a disabled "Open With..." entry.
 388         QAction* action = popup->addAction(i18nc("@title:menu", "Open With..."));
 389         action->setEnabled(false);
 390     }
 391
 392     return openWithActions;
 393 }
 394
 395 bool DolphinContextMenu::containsEntry(const KMenu* menu,
 396                                        const QString& entryName) const
 397 {
 398     Q_ASSERT(menu != 0);
 399
 400     const QList<QAction*> list = menu->actions();
 401     const uint count = list.count();
 402     for (uint i = 0; i < count; ++i) {
 403         const QAction* action = list.at(i);
 404         if (action->text() == entryName) {
 405             return true;
 406         }
 407     }
 408
 409     return false;
 410 }
 411
 412 void DolphinContextMenu::addShowMenubarAction(KMenu* menu)
 413 {
 414     KAction* showMenuBar = m_mainWindow->showMenuBarAction();
 415     if (!m_mainWindow->menuBar()->isVisible()) {
 416         // TODO: it should not be necessary to uncheck the menu
 417         // bar action, but currently the action states don't get
 418         // updated if the menu is disabled
 419         showMenuBar->setChecked(false);
 420         menu->addAction(showMenuBar);
 421         menu->addSeparator();
 422     }
 423 }
 424
 425 QString DolphinContextMenu::placesName(const KUrl& url) const
 426 {
 427     QString name = url.fileName();
 428     if (name.isEmpty()) {
 429         name = url.host();
 430     }
 431     return name;
 432 }
 433
 434 QAction* DolphinContextMenu::createPasteAction()
 435 {
 436     QAction* action = 0;
 437     if ((m_selectedItems.count() == 1) && m_fileInfo.isDir()) {
 438         action = new QAction(KIcon("edit-paste"), i18nc("@action:inmenu", "Paste Into Folder"), this);
 439         const QMimeData* mimeData = QApplication::clipboard()->mimeData();
 440         const KUrl::List pasteData = KUrl::List::fromMimeData(mimeData);
 441         action->setEnabled(!pasteData.isEmpty() && capabilities().supportsWriting());
 442         connect(action, SIGNAL(triggered()), m_mainWindow, SLOT(pasteIntoFolder()));
 443     } else {
 444         action = m_mainWindow->actionCollection()->action(KStandardAction::name(KStandardAction::Paste));
 445     }
 446
 447     return action;
 448 }
 449
 450 FileItemCapabilities& DolphinContextMenu::capabilities()
 451 {
 452     if (m_capabilities == 0) {
 453         m_capabilities = new FileItemCapabilities(m_selectedItems);
 454     }
 455     return *m_capabilities;
 456 }
 457
 458 #include "dolphincontextmenu.moc"