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 <kmessagebox.h>
  36 #include <kmimetypetrader.h>
  37 #include <knewmenu.h>
  38 #include <konqmimedata.h>
  39 #include <konq_operations.h>
  40 #include <konq_menuactions.h>
  41 #include <klocale.h>
  42 #include <kpropertiesdialog.h>
  43 #include <krun.h>
  44 #include <kstandardaction.h>
  45 #include <kstandarddirs.h>
  46
  47 #include <QtGui/QApplication>
  48 #include <QtGui/QClipboard>
  49 #include <QtCore/QDir>
  50
  51 DolphinContextMenu::DolphinContextMenu(DolphinMainWindow* parent,
  52                                        const KFileItem& fileInfo,
  53                                        const KUrl& baseUrl) :
  54     m_mainWindow(parent),
  55     m_fileInfo(fileInfo),
  56     m_baseUrl(baseUrl),
  57     m_context(NoContext)
  58 {
  59     // The context menu either accesses the URLs of the selected items
  60     // or the items itself. To increase the performance both lists are cached.
  61     DolphinView* view = m_mainWindow->activeViewContainer()->view();
  62     m_selectedUrls = view->selectedUrls();
  63     m_selectedItems = view->selectedItems();
  64 }
  65
  66 DolphinContextMenu::~DolphinContextMenu()
  67 {
  68 }
  69
  70 void DolphinContextMenu::open()
  71 {
  72     // get the context information
  73     if (m_baseUrl.protocol() == "trash") {
  74         m_context |= TrashContext;
  75     }
  76
  77     if (!m_fileInfo.isNull()) {
  78         m_context |= ItemContext;
  79         // TODO: handle other use cases like devices + desktop files
  80     }
  81
  82     // open the corresponding popup for the context
  83     if (m_context & TrashContext) {
  84         if (m_context & ItemContext) {
  85             openTrashItemContextMenu();
  86         } else {
  87             openTrashContextMenu();
  88         }
  89     } else if (m_context & ItemContext) {
  90         openItemContextMenu();
  91     } else {
  92         Q_ASSERT(m_context == NoContext);
  93         openViewportContextMenu();
  94     }
  95 }
  96
  97
  98 void DolphinContextMenu::openTrashContextMenu()
  99 {
 100     Q_ASSERT(m_context & TrashContext);
 101
 102     KMenu* popup = new KMenu(m_mainWindow);
 103
 104     QAction* emptyTrashAction = new QAction(KIcon("trash-empty"), i18nc("@action:inmenu", "Empty Trash"), popup);
 105     KConfig trashConfig("trashrc", KConfig::SimpleConfig);
 106     emptyTrashAction->setEnabled(!trashConfig.group("Status").readEntry("Empty", true));
 107     popup->addAction(emptyTrashAction);
 108
 109     QAction* addToPlacesAction = popup->addAction(KIcon("folder-bookmarks"),
 110                                                   i18nc("@action:inmenu Add current folder to places", "Add to Places"));
 111
 112     QAction* propertiesAction = m_mainWindow->actionCollection()->action("properties");
 113     popup->addAction(propertiesAction);
 114
 115     QAction *action = popup->exec(QCursor::pos());
 116     if (action == emptyTrashAction) {
 117         const QString text(i18nc("@info", "Do you really want to empty the Trash? All items will get deleted."));
 118         const bool del = KMessageBox::warningContinueCancel(m_mainWindow,
 119                                                             text,
 120                                                             QString(),
 121                                                             KGuiItem(i18nc("@action:button", "Empty Trash"),
 122                                                                      KIcon("user-trash"))
 123                                                            ) == KMessageBox::Continue;
 124         if (del) {
 125             KonqOperations::emptyTrash(m_mainWindow);
 126         }
 127     } else if (action == addToPlacesAction) {
 128         const KUrl& url = m_mainWindow->activeViewContainer()->url();
 129         if (url.isValid()) {
 130             DolphinSettings::instance().placesModel()->addPlace(i18n("Trash"), url);
 131         }
 132     }
 133
 134     popup->deleteLater();
 135 }
 136
 137 void DolphinContextMenu::openTrashItemContextMenu()
 138 {
 139     Q_ASSERT(m_context & TrashContext);
 140     Q_ASSERT(m_context & ItemContext);
 141
 142     KMenu* popup = new KMenu(m_mainWindow);
 143
 144     QAction* restoreAction = new QAction(i18nc("@action:inmenu", "Restore"), m_mainWindow);
 145     popup->addAction(restoreAction);
 146
 147     QAction* deleteAction = m_mainWindow->actionCollection()->action("delete");
 148     popup->addAction(deleteAction);
 149
 150     QAction* propertiesAction = m_mainWindow->actionCollection()->action("properties");
 151     popup->addAction(propertiesAction);
 152
 153     if (popup->exec(QCursor::pos()) == restoreAction) {
 154         KonqOperations::restoreTrashedItems(m_selectedUrls, m_mainWindow);
 155     }
 156
 157     popup->deleteLater();
 158 }
 159
 160 void DolphinContextMenu::openItemContextMenu()
 161 {
 162     Q_ASSERT(!m_fileInfo.isNull());
 163
 164     KMenu* popup = new KMenu(m_mainWindow);
 165     insertDefaultItemActions(popup);
 166
 167     popup->addSeparator();
 168
 169     // insert 'Bookmark This Folder' entry if exactly one item is selected
 170     QAction* addToPlacesAction = 0;
 171     if (m_fileInfo.isDir() && (m_selectedUrls.count() == 1)) {
 172         addToPlacesAction = popup->addAction(KIcon("folder-bookmarks"),
 173                                              i18nc("@action:inmenu Add selected folder to places", "Add to Places"));
 174     }
 175
 176     // Insert 'Open With...' sub menu
 177     QVector<KService::Ptr> openWithVector;
 178     const QList<QAction*> openWithActions = insertOpenWithItems(popup, openWithVector);
 179
 180     // Insert 'Actions' sub menu
 181     KonqMenuActions menuActions;
 182     menuActions.setItems(m_selectedItems);
 183     if (menuActions.addActionsTo(popup))
 184         popup->addSeparator();
 185
 186     // insert 'Properties...' entry
 187     QAction* propertiesAction = m_mainWindow->actionCollection()->action("properties");
 188     popup->addAction(propertiesAction);
 189
 190     QAction* activatedAction = popup->exec(QCursor::pos());
 191
 192     if ((addToPlacesAction != 0) && (activatedAction == addToPlacesAction)) {
 193         const KUrl selectedUrl(m_fileInfo.url());
 194         if (selectedUrl.isValid()) {
 195             DolphinSettings::instance().placesModel()->addPlace(selectedUrl.fileName(),
 196                                                                 selectedUrl);
 197         }
 198     } else if (openWithActions.contains(activatedAction)) {
 199         // one of the 'Open With' items has been selected
 200         if (openWithActions.last() == activatedAction) {
 201             // the item 'Other...' has been selected
 202             KRun::displayOpenWithDialog(m_selectedUrls, m_mainWindow);
 203         } else {
 204             int id = openWithActions.indexOf(activatedAction);
 205             KService::Ptr servicePtr = openWithVector[id];
 206             KRun::run(*servicePtr, m_selectedUrls, m_mainWindow);
 207         }
 208     }
 209
 210     openWithVector.clear();
 211     popup->deleteLater();
 212 }
 213
 214 void DolphinContextMenu::openViewportContextMenu()
 215 {
 216     Q_ASSERT(m_fileInfo.isNull());
 217     KMenu* popup = new KMenu(m_mainWindow);
 218
 219     // setup 'Create New' menu
 220     KNewMenu* newMenu = m_mainWindow->newMenu();
 221     newMenu->slotCheckUpToDate();
 222     newMenu->setPopupFiles(m_baseUrl);
 223     popup->addMenu(newMenu->menu());
 224     popup->addSeparator();
 225
 226     QAction* pasteAction = m_mainWindow->actionCollection()->action(KStandardAction::stdName(KStandardAction::Paste));
 227     popup->addAction(pasteAction);
 228
 229     // setup 'View Mode' menu
 230     KMenu* viewModeMenu = new KMenu(i18nc("@title:menu", "View Mode"));
 231
 232     QAction* iconsMode = m_mainWindow->actionCollection()->action("icons");
 233     viewModeMenu->addAction(iconsMode);
 234
 235     QAction* detailsMode = m_mainWindow->actionCollection()->action("details");
 236     viewModeMenu->addAction(detailsMode);
 237
 238     QAction* columnsMode = m_mainWindow->actionCollection()->action("columns");
 239     viewModeMenu->addAction(columnsMode);
 240
 241     QAction* previewsMode = m_mainWindow->actionCollection()->action("previews");
 242     viewModeMenu->addAction(previewsMode);
 243
 244     popup->addMenu(viewModeMenu);
 245
 246     popup->addSeparator();
 247
 248     QAction* addToPlacesAction = popup->addAction(KIcon("folder-bookmarks"),
 249                                                   i18nc("@action:inmenu Add current folder to places", "Add to Places"));
 250     popup->addSeparator();
 251
 252     QAction* propertiesAction = popup->addAction(i18nc("@action:inmenu", "Properties"));
 253
 254     QAction* action = popup->exec(QCursor::pos());
 255     if (action == propertiesAction) {
 256         const KUrl& url = m_mainWindow->activeViewContainer()->url();
 257         KPropertiesDialog dialog(url);
 258         dialog.exec();
 259     } else if (action == addToPlacesAction) {
 260         const KUrl& url = m_mainWindow->activeViewContainer()->url();
 261         if (url.isValid()) {
 262             DolphinSettings::instance().placesModel()->addPlace(url.fileName(), url);
 263         }
 264     }
 265
 266     popup->deleteLater();
 267 }
 268
 269 void DolphinContextMenu::insertDefaultItemActions(KMenu* popup)
 270 {
 271     Q_ASSERT(popup != 0);
 272     const KActionCollection* collection = m_mainWindow->actionCollection();
 273
 274     // insert 'Cut', 'Copy' and 'Paste'
 275     QAction* cutAction = collection->action(KStandardAction::stdName(KStandardAction::Cut));
 276     QAction* copyAction  = collection->action(KStandardAction::stdName(KStandardAction::Copy));
 277     QAction* pasteAction = collection->action(KStandardAction::stdName(KStandardAction::Paste));
 278
 279     popup->addAction(cutAction);
 280     popup->addAction(copyAction);
 281     popup->addAction(pasteAction);
 282     popup->addSeparator();
 283
 284     // insert 'Rename'
 285     QAction* renameAction = collection->action("rename");
 286     popup->addAction(renameAction);
 287
 288     // insert 'Move to Trash' and (optionally) 'Delete'
 289     KConfigGroup kdeConfig(KGlobal::config(), "KDE");
 290     bool showDeleteCommand = kdeConfig.readEntry("ShowDeleteCommand", false);
 291     const KUrl& url = m_mainWindow->activeViewContainer()->url();
 292     if (url.isLocalFile()) {
 293         QAction* moveToTrashAction = collection->action("move_to_trash");
 294         popup->addAction(moveToTrashAction);
 295     } else {
 296         showDeleteCommand = true;
 297     }
 298
 299     if (showDeleteCommand) {
 300         QAction* deleteAction = collection->action("delete");
 301         popup->addAction(deleteAction);
 302     }
 303 }
 304
 305 QList<QAction*> DolphinContextMenu::insertOpenWithItems(KMenu* popup,
 306         QVector<KService::Ptr>& openWithVector)
 307 {
 308     // Parts of the following code have been taken
 309     // from the class KonqOperations located in
 310     // libqonq/konq_operations.h of Konqueror.
 311     // (Copyright (C) 2000  David Faure <faure@kde.org>)
 312
 313     // Prepare 'Open With' sub menu. Usually a sub menu is created, where all applications
 314     // are listed which are registered to open the item. As last entry "Other..." will be
 315     // attached which allows to select a custom application. If no applications are registered
 316     // no sub menu is created at all, only "Open With..." will be offered.
 317     bool insertOpenWithItems = true;
 318     const QString contextMimeType(m_fileInfo.mimetype());
 319
 320     QListIterator<KFileItem> mimeIt(m_selectedItems);
 321     while (insertOpenWithItems && mimeIt.hasNext()) {
 322         KFileItem item = mimeIt.next();
 323         insertOpenWithItems = (contextMimeType == item.mimetype());
 324     }
 325
 326     QList<QAction*> openWithActions;
 327     if (insertOpenWithItems) {
 328         // fill the 'Open with' sub menu with application types
 329         const KMimeType::Ptr mimePtr = KMimeType::findByUrl(m_fileInfo.url());
 330         KService::List offers = KMimeTypeTrader::self()->query(mimePtr->name(),
 331                                 "Application",
 332                                 "Type == 'Application'");
 333         if (offers.count() > 0) {
 334             KService::List::Iterator it;
 335             KMenu* openWithMenu = new KMenu(i18nc("@title:menu", "Open With"));
 336             for (it = offers.begin(); it != offers.end(); ++it) {
 337                 // The offer list from the KTrader returns duplicate
 338                 // application entries. Although this seems to be a configuration
 339                 // problem outside the scope of Dolphin, duplicated entries just
 340                 // will be skipped here.
 341                 const QString appName((*it)->name());
 342                 if (!containsEntry(openWithMenu, appName)) {
 343                     const KIcon icon((*it)->icon());
 344                     QAction* action = openWithMenu->addAction(icon, appName);
 345                     openWithVector.append(*it);
 346                     openWithActions << action;
 347                 }
 348             }
 349
 350             openWithMenu->addSeparator();
 351             QAction* action = openWithMenu->addAction(i18nc("@action:inmenu Open With", "&Other..."));
 352
 353             openWithActions << action;
 354             popup->addMenu(openWithMenu);
 355         } else {
 356             // No applications are registered, hence just offer
 357             // a "Open With..." item instead of a sub menu containing
 358             // only one entry.
 359             QAction* action = popup->addAction(i18nc("@title:menu", "Open With..."));
 360             openWithActions << action;
 361         }
 362     } else {
 363         // At least one of the selected items has a different MIME type. In this case
 364         // just show a disabled "Open With..." entry.
 365         QAction* action = popup->addAction(i18nc("@title:menu", "Open With..."));
 366         action->setEnabled(false);
 367     }
 368
 369     return openWithActions;
 370 }
 371
 372 bool DolphinContextMenu::containsEntry(const KMenu* menu,
 373                                        const QString& entryName) const
 374 {
 375     Q_ASSERT(menu != 0);
 376
 377     const QList<QAction*> list = menu->actions();
 378     const uint count = list.count();
 379     for (uint i = 0; i < count; ++i) {
 380         const QAction* action = list.at(i);
 381         if (action->text() == entryName) {
 382             return true;
 383         }
 384     }
 385
 386     return false;
 387 }
 388
 389 #include "dolphincontextmenu.moc"