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