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