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