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 "editbookmarkdialog.h"
  27
  28 #include <kactioncollection.h>
  29 #include <kbookmarkmanager.h>
  30 #include <kbookmark.h>
  31 #include <kdesktopfile.h>
  32 #include <kglobal.h>
  33 #include <kiconloader.h>
  34 #include <kio/netaccess.h>
  35 #include <kmenu.h>
  36 #include <kmessagebox.h>
  37 #include <kmimetypetrader.h>
  38 #include <knewmenu.h>
  39 #include <konqmimedata.h>
  40 #include <konq_operations.h>
  41 #include <klocale.h>
  42 #include <kpropertiesdialog.h>
  43 #include <krun.h>
  44 #include <kstandardaction.h>
  45 #include <kstandarddirs.h>
  46
  47 #include <QApplication>
  48 #include <QClipboard>
  49 #include <QDir>
  50
  51 DolphinContextMenu::DolphinContextMenu(DolphinMainWindow* parent,
  52                                        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->activeView();
  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 != 0) {
  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         }
  87         else {
  88             openTrashContextMenu();
  89         }
  90     }
  91     else if (m_context & ItemContext) {
  92         openItemContextMenu();
  93     }
  94     else {
  95         Q_ASSERT(m_context == NoContext);
  96         openViewportContextMenu();
  97     }
  98 }
  99
 100
 101 void DolphinContextMenu::openTrashContextMenu()
 102 {
 103     Q_ASSERT(m_context & TrashContext);
 104
 105     KMenu* popup = new KMenu(m_mainWindow);
 106
 107     QAction* emptyTrashAction = new QAction(KIcon("emptytrash"), i18n("Emtpy Trash"), popup);
 108     KConfig trashConfig("trashrc", KConfig::OnlyLocal);
 109     emptyTrashAction->setEnabled(!trashConfig.group("Status").readEntry("Empty", true));
 110     popup->addAction(emptyTrashAction);
 111
 112     QAction* propertiesAction = m_mainWindow->actionCollection()->action("properties");
 113     popup->addAction(propertiesAction);
 114
 115     if (popup->exec(QCursor::pos()) == emptyTrashAction) {
 116         const QString text(i18n("Do you really want to empty the Trash? All items will get deleted."));
 117         const bool del = KMessageBox::warningContinueCancel(m_mainWindow,
 118                                                             text,
 119                                                             QString(),
 120                                                             KGuiItem(i18n("Empty Trash"), KIcon("user-trash"))
 121                                                             ) == KMessageBox::Continue;
 122         if (del) {
 123             KonqOperations::emptyTrash(m_mainWindow);
 124         }
 125     }
 126
 127     popup->deleteLater();
 128 }
 129
 130 void DolphinContextMenu::openTrashItemContextMenu()
 131 {
 132     Q_ASSERT(m_context & TrashContext);
 133     Q_ASSERT(m_context & ItemContext);
 134
 135     KMenu* popup = new KMenu(m_mainWindow);
 136
 137     QAction* restoreAction = new QAction(i18n("Restore"), m_mainWindow);
 138     popup->addAction(restoreAction);
 139
 140     QAction* deleteAction = m_mainWindow->actionCollection()->action("delete");
 141     popup->addAction(deleteAction);
 142
 143     QAction* propertiesAction = m_mainWindow->actionCollection()->action("properties");
 144     popup->addAction(propertiesAction);
 145
 146     if (popup->exec(QCursor::pos()) == restoreAction) {
 147         KonqOperations::restoreTrashedItems(m_selectedUrls, m_mainWindow);
 148     }
 149
 150     popup->deleteLater();
 151 }
 152
 153 void DolphinContextMenu::openItemContextMenu()
 154 {
 155     Q_ASSERT(m_fileInfo != 0);
 156
 157     KMenu* popup = new KMenu(m_mainWindow);
 158     insertDefaultItemActions(popup);
 159
 160     popup->addSeparator();
 161
 162     // insert 'Bookmark this folder' entry if exactly one item is selected
 163     QAction* bookmarkAction = 0;
 164     if (m_fileInfo->isDir() && (m_selectedUrls.count() == 1)) {
 165         bookmarkAction = popup->addAction(KIcon("bookmark-folder"), i18n("Bookmark folder"));
 166     }
 167
 168     // Insert 'Open With...' sub menu
 169     QVector<KService::Ptr> openWithVector;
 170     const QList<QAction*> openWithActions = insertOpenWithItems(popup, openWithVector);
 171
 172     // Insert 'Actions' sub menu
 173     QVector<KDEDesktopMimeType::Service> actionsVector;
 174     const QList<QAction*> serviceActions = insertActionItems(popup, actionsVector);
 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 ((bookmarkAction!= 0) && (activatedAction == bookmarkAction)) {
 184         const KUrl selectedUrl(m_fileInfo->url());
 185         KBookmark bookmark = EditBookmarkDialog::getBookmark(i18n("Add folder as bookmark"),
 186                                                              selectedUrl.fileName(),
 187                                                              selectedUrl,
 188                                                              "bookmark");
 189         if (!bookmark.isNull()) {
 190             KBookmarkManager* manager = DolphinSettings::instance().bookmarkManager();
 191             KBookmarkGroup root = manager->root();
 192             root.addBookmark(manager, bookmark);
 193             manager->emitChanged(root);
 194         }
 195     }
 196     else if (serviceActions.contains(activatedAction)) {
 197         // one of the 'Actions' items has been selected
 198         int id = serviceActions.indexOf(activatedAction);
 199         KDEDesktopMimeType::executeService(m_selectedUrls, actionsVector[id]);
 200     }
 201     else if (openWithActions.contains(activatedAction)) {
 202         // one of the 'Open With' items has been selected
 203         if (openWithActions.last() == activatedAction) {
 204             // the item 'Other...' has been selected
 205             KRun::displayOpenWithDialog(m_selectedUrls, m_mainWindow);
 206         }
 207         else {
 208             int id = openWithActions.indexOf(activatedAction);
 209             KService::Ptr servicePtr = openWithVector[id];
 210             KRun::run(*servicePtr, m_selectedUrls, m_mainWindow);
 211         }
 212     }
 213
 214     openWithVector.clear();
 215     actionsVector.clear();
 216     popup->deleteLater();
 217 }
 218
 219 void DolphinContextMenu::openViewportContextMenu()
 220 {
 221     Q_ASSERT(m_fileInfo == 0);
 222     KMenu* popup = new KMenu(m_mainWindow);
 223
 224     // setup 'Create New' menu
 225     KNewMenu* newMenu = m_mainWindow->newMenu();
 226     newMenu->slotCheckUpToDate();
 227     newMenu->setPopupFiles(m_baseUrl);
 228     popup->addMenu(newMenu->menu());
 229     popup->addSeparator();
 230
 231     QAction* pasteAction = m_mainWindow->actionCollection()->action(KStandardAction::stdName(KStandardAction::Paste));
 232     popup->addAction(pasteAction);
 233
 234     // setup 'View Mode' menu
 235     KMenu* viewModeMenu = new KMenu(i18n("View Mode"));
 236
 237     QAction* iconsMode = m_mainWindow->actionCollection()->action("icons");
 238     viewModeMenu->addAction(iconsMode);
 239
 240     QAction* detailsMode = m_mainWindow->actionCollection()->action("details");
 241     viewModeMenu->addAction(detailsMode);
 242
 243     QAction* previewsMode = m_mainWindow->actionCollection()->action("previews");
 244     viewModeMenu->addAction(previewsMode);
 245
 246     popup->addMenu(viewModeMenu);
 247     popup->addSeparator();
 248
 249     QAction* bookmarkAction = popup->addAction(KIcon("bookmark-folder"), i18n("Bookmark this folder"));
 250     popup->addSeparator();
 251
 252     QAction* propertiesAction = popup->addAction(i18n("Properties..."));
 253
 254     QAction* activatedAction = popup->exec(QCursor::pos());
 255     if (activatedAction == propertiesAction) {
 256         new KPropertiesDialog(m_mainWindow->activeView()->url());
 257     }
 258     else if (activatedAction == bookmarkAction) {
 259         const KUrl& url = m_mainWindow->activeView()->url();
 260         KBookmark bookmark = EditBookmarkDialog::getBookmark(i18n("Add folder as bookmark"),
 261                                                              url.fileName(),
 262                                                              url,
 263                                                              "bookmark");
 264         if (!bookmark.isNull()) {
 265             KBookmarkManager* manager = DolphinSettings::instance().bookmarkManager();
 266             KBookmarkGroup root = manager->root();
 267             root.addBookmark(manager, bookmark);
 268             manager->emitChanged(root);
 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::stdName(KStandardAction::Cut));
 282     QAction* copyAction  = collection->action(KStandardAction::stdName(KStandardAction::Copy));
 283     QAction* pasteAction = collection->action(KStandardAction::stdName(KStandardAction::Paste));
 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     const KSharedConfig::Ptr globalConfig = KSharedConfig::openConfig("kdeglobals", KConfig::NoGlobals);
 296     const KConfigGroup kdeConfig(globalConfig, "KDE");
 297     bool showDeleteCommand = kdeConfig.readEntry("ShowDeleteCommand", false);
 298     const KUrl& url = m_mainWindow->activeView()->url();
 299     if (url.isLocalFile()) {
 300         QAction* moveToTrashAction = collection->action("move_to_trash");
 301         popup->addAction(moveToTrashAction);
 302     }
 303     else {
 304         showDeleteCommand = true;
 305     }
 306
 307     if (showDeleteCommand) {
 308         QAction* deleteAction = collection->action("delete");
 309         popup->addAction(deleteAction);
 310     }
 311 }
 312
 313 QList<QAction*> DolphinContextMenu::insertOpenWithItems(KMenu* popup,
 314                                                         QVector<KService::Ptr>& openWithVector)
 315 {
 316     // Parts of the following code have been taken
 317     // from the class KonqOperations located in
 318     // libqonq/konq_operations.h of Konqueror.
 319     // (Copyright (C) 2000  David Faure <faure@kde.org>)
 320
 321     // Prepare 'Open With' sub menu. Usually a sub menu is created, where all applications
 322     // are listed which are registered to open the item. As last entry "Other..." will be
 323     // attached which allows to select a custom application. If no applications are registered
 324     // no sub menu is created at all, only "Open With..." will be offered.
 325     bool insertOpenWithItems = true;
 326     const QString contextMimeType(m_fileInfo->mimetype());
 327
 328     QListIterator<KFileItem*> mimeIt(m_selectedItems);
 329     while (insertOpenWithItems && mimeIt.hasNext()) {
 330         KFileItem* item = mimeIt.next();
 331         insertOpenWithItems = (contextMimeType == item->mimetype());
 332     }
 333
 334     QList<QAction*> openWithActions;
 335     if (insertOpenWithItems) {
 336         // fill the 'Open with' sub menu with application types
 337         const KMimeType::Ptr mimePtr = KMimeType::findByUrl(m_fileInfo->url());
 338         KService::List offers = KMimeTypeTrader::self()->query(mimePtr->name(),
 339                                                                "Application",
 340                                                                "Type == 'Application'");
 341         if (offers.count() > 0) {
 342             KService::List::Iterator it;
 343             KMenu* openWithMenu = new KMenu(i18n("Open With"));
 344             for(it = offers.begin(); it != offers.end(); ++it) {
 345                 // The offer list from the KTrader returns duplicate
 346                 // application entries. Although this seems to be a configuration
 347                 // problem outside the scope of Dolphin, duplicated entries just
 348                 // will be skipped here.
 349                 const QString appName((*it)->name());
 350                 if (!containsEntry(openWithMenu, appName)) {
 351                     const KIcon icon((*it)->icon());
 352                     QAction* action = openWithMenu->addAction(icon, appName);
 353                     openWithVector.append(*it);
 354                     openWithActions << action;
 355                 }
 356             }
 357
 358             openWithMenu->addSeparator();
 359             QAction* action = openWithMenu->addAction(i18n("&Other..."));
 360
 361             openWithActions << action;
 362             popup->addMenu(openWithMenu);
 363         }
 364         else {
 365             // No applications are registered, hence just offer
 366             // a "Open With..." item instead of a sub menu containing
 367             // only one entry.
 368             QAction* action = popup->addAction(i18n("Open With..."));
 369             openWithActions << action;
 370         }
 371     }
 372     else {
 373         // At least one of the selected items has a different MIME type. In this case
 374         // just show a disabled "Open With..." entry.
 375         QAction* action = popup->addAction(i18n("Open With..."));
 376         action->setEnabled(false);
 377     }
 378
 379     return openWithActions;
 380 }
 381
 382 QList<QAction*> DolphinContextMenu::insertActionItems(KMenu* popup,
 383                                                       QVector<KDEDesktopMimeType::Service>& actionsVector)
 384 {
 385     // Parts of the following code have been taken
 386     // from the class KonqOperations located in
 387     // libqonq/konq_operations.h of Konqueror.
 388     // (Copyright (C) 2000  David Faure <faure@kde.org>)
 389
 390     KMenu* actionsMenu = new KMenu(i18n("Actions"));
 391
 392     QList<QAction*> serviceActions;
 393
 394     QStringList dirs = KGlobal::dirs()->findDirs("data", "dolphin/servicemenus/");
 395
 396     KMenu* menu = 0;
 397     for (QStringList::ConstIterator dirIt = dirs.begin(); dirIt != dirs.end(); ++dirIt) {
 398         QDir dir(*dirIt);
 399         QStringList filters;
 400         filters << "*.desktop";
 401         dir.setNameFilters(filters);
 402         QStringList entries = dir.entryList(QDir::Files);
 403
 404         for (QStringList::ConstIterator entryIt = entries.begin(); entryIt != entries.end(); ++entryIt) {
 405             KConfigGroup cfg(KSharedConfig::openConfig( *dirIt + *entryIt, KConfig::OnlyLocal), "Desktop Entry" );
 406             if ((cfg.hasKey("Actions") || cfg.hasKey("X-KDE-GetActionMenu")) && cfg.hasKey("ServiceTypes")) {
 407                 //const QStringList types = cfg.readListEntry("ServiceTypes");
 408                 QStringList types;
 409                 types = cfg.readEntry("ServiceTypes", types);
 410                 for (QStringList::ConstIterator it = types.begin(); it != types.end(); ++it) {
 411                     // check whether the mime type is equal or whether the
 412                     // mimegroup (e. g. image/*) is supported
 413
 414                     bool insert = false;
 415                     if ((*it) == "all/allfiles") {
 416                         // The service type is valid for all files, but not for directories.
 417                         // Check whether the selected items only consist of files...
 418                         QListIterator<KFileItem*> mimeIt(m_selectedItems);
 419                         insert = true;
 420                         while (insert && mimeIt.hasNext()) {
 421                             KFileItem* item = mimeIt.next();
 422                             insert = !item->isDir();
 423                         }
 424                     }
 425
 426                     if (!insert) {
 427                         // Check whether the MIME types of all selected files match
 428                         // to the mimetype of the service action. As soon as one MIME
 429                         // type does not match, no service menu is shown at all.
 430                         QListIterator<KFileItem*> mimeIt(m_selectedItems);
 431                         insert = true;
 432                         while (insert && mimeIt.hasNext()) {
 433                             KFileItem* item = mimeIt.next();
 434                             const QString mimeType(item->mimetype());
 435                             const QString mimeGroup(mimeType.left(mimeType.indexOf('/')));
 436
 437                             insert  = (*it == mimeType) ||
 438                                       ((*it).right(1) == "*") &&
 439                                       ((*it).left((*it).indexOf('/')) == mimeGroup);
 440                         }
 441                     }
 442
 443                     if (insert) {
 444                         menu = actionsMenu;
 445
 446                         const QString submenuName = cfg.readEntry( "X-KDE-Submenu" );
 447                         if (!submenuName.isEmpty()) {
 448                             menu = new KMenu(submenuName);
 449                             actionsMenu->addMenu(menu);
 450                         }
 451
 452                         Q3ValueList<KDEDesktopMimeType::Service> userServices =
 453                             KDEDesktopMimeType::userDefinedServices(*dirIt + *entryIt, true);
 454
 455                         Q3ValueList<KDEDesktopMimeType::Service>::Iterator serviceIt;
 456                         for (serviceIt = userServices.begin(); serviceIt != userServices.end(); ++serviceIt) {
 457                             KDEDesktopMimeType::Service service = (*serviceIt);
 458                             if (!service.m_strIcon.isEmpty()) {
 459                                 QAction* action = menu->addAction(SmallIcon(service.m_strIcon),
 460                                                                   service.m_strName);
 461                                 serviceActions << action;
 462                             }
 463                             else {
 464                                 QAction *action = menu->addAction(service.m_strName);
 465                                 serviceActions << action;
 466                             }
 467                             actionsVector.append(service);
 468                         }
 469                     }
 470                 }
 471             }
 472         }
 473     }
 474
 475     const int itemsCount = actionsMenu->actions().count();
 476     if (itemsCount == 0) {
 477         // no actions are available at all, hence show the "Actions"
 478         // submenu disabled
 479         actionsMenu->setEnabled(false);
 480     }
 481
 482     if (itemsCount == 1) {
 483         // Exactly one item is available. Instead of showing a sub menu with
 484         // only one item, show the item directly in the root menu.
 485         if (menu == actionsMenu) {
 486             // The item is an action, hence show the action in the root menu.
 487             const QList<QAction*> actions = actionsMenu->actions();
 488             Q_ASSERT(actions.count() == 1);
 489
 490             const QString text = actions[0]->text();
 491             const QIcon icon = actions[0]->icon();
 492             if (icon.isNull()) {
 493                 QAction* action = popup->addAction(text);
 494                 serviceActions.clear();
 495                 serviceActions << action;
 496             }
 497             else {
 498                 QAction* action = popup->addAction(icon, text);
 499                 serviceActions.clear();
 500                 serviceActions << action;
 501             }
 502         }
 503         else {
 504             // The item is a sub menu, hence show the sub menu in the root menu.
 505             popup->addMenu(menu);
 506         }
 507         actionsMenu->deleteLater();
 508         actionsMenu = 0;
 509     }
 510     else {
 511         popup->addMenu(actionsMenu);
 512     }
 513
 514     return serviceActions;
 515 }
 516
 517 bool DolphinContextMenu::containsEntry(const KMenu* menu,
 518                                        const QString& entryName) const
 519 {
 520     Q_ASSERT(menu != 0);
 521
 522     const QList<QAction*> list = menu->actions();
 523     const uint count = list.count();
 524     for (uint i = 0; i < count; ++i) {
 525         const QAction* action = list.at(i);
 526         if (action->text() == entryName) {
 527             return true;
 528         }
 529     }
 530
 531     return false;
 532 }
 533
 534 #include "dolphincontextmenu.moc"