src/dolphinpart.cpp

   1 /* This file is part of the KDE project
   2    Copyright (c) 2007 David Faure <faure@kde.org>
   3
   4    This library is free software; you can redistribute it and/or
   5    modify it under the terms of the GNU Library General Public
   6    License as published by the Free Software Foundation; either
   7    version 2 of the License, or (at your option) any later version.
   8
   9    This library is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12    Library General Public License for more details.
  13
  14    You should have received a copy of the GNU Library General Public License
  15    along with this library; see the file COPYING.LIB.  If not, write to
  16    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  17    Boston, MA 02110-1301, USA.
  18 */
  19
  20 #include "dolphinpart.h"
  21 #include "dolphinviewactionhandler.h"
  22 #include "dolphinsortfilterproxymodel.h"
  23 #include "dolphinview.h"
  24 #include "dolphinmodel.h"
  25
  26 #include <konq_fileitemcapabilities.h>
  27 #include <konq_operations.h>
  28
  29 #include <kaboutdata.h>
  30 #include <kactioncollection.h>
  31 #include <kconfiggroup.h>
  32 #include <kdebug.h>
  33 #include <kdirlister.h>
  34 #include <kglobalsettings.h>
  35 #include <kiconloader.h>
  36 #include <klocale.h>
  37 #include <kmessagebox.h>
  38 #include <kpluginfactory.h>
  39 #include <kpropertiesdialog.h>
  40 #include <ktoggleaction.h>
  41 #include <kio/netaccess.h>
  42 #include <kauthorized.h>
  43 #include <kshell.h>
  44
  45 #include <QActionGroup>
  46 #include <QApplication>
  47 #include <QClipboard>
  48
  49 K_PLUGIN_FACTORY(DolphinPartFactory, registerPlugin<DolphinPart>();)
  50 // The componentdata name must be dolphinpart so that dolphinpart.rc is found
  51 // Alternatively we would have to install it as dolphin/dolphinpart.rc
  52 K_EXPORT_PLUGIN(DolphinPartFactory("dolphinpart"))
  53
  54 DolphinPart::DolphinPart(QWidget* parentWidget, QObject* parent, const QVariantList& args)
  55     : KParts::ReadOnlyPart(parent)
  56 {
  57     Q_UNUSED(args)
  58     setComponentData(DolphinPartFactory::componentData(), false);
  59     m_extension = new DolphinPartBrowserExtension(this);
  60
  61     // make sure that other apps using this part find Dolphin's view-file-columns icons
  62     KIconLoader::global()->addAppDir("dolphin");
  63
  64     m_dirLister = new KDirLister;
  65     m_dirLister->setAutoUpdate(true);
  66     m_dirLister->setMainWindow(parentWidget->window());
  67     m_dirLister->setDelayedMimeTypes(true);
  68
  69     //connect(m_dirLister, SIGNAL(started(KUrl)), this, SLOT(slotStarted()));
  70     connect(m_dirLister, SIGNAL(completed(KUrl)), this, SLOT(slotCompleted(KUrl)));
  71     connect(m_dirLister, SIGNAL(canceled(KUrl)), this, SLOT(slotCanceled(KUrl)));
  72
  73     m_dolphinModel = new DolphinModel(this);
  74     m_dolphinModel->setDirLister(m_dirLister);
  75
  76     m_proxyModel = new DolphinSortFilterProxyModel(this);
  77     m_proxyModel->setSourceModel(m_dolphinModel);
  78
  79     m_view = new DolphinView(parentWidget,
  80                              KUrl(),
  81                              m_dirLister,
  82                              m_dolphinModel,
  83                              m_proxyModel);
  84     m_view->setTabsForFilesEnabled(true);
  85     setWidget(m_view);
  86
  87     setXMLFile("dolphinpart.rc");
  88
  89     connect(m_view, SIGNAL(infoMessage(QString)),
  90             this, SLOT(slotInfoMessage(QString)));
  91     connect(m_view, SIGNAL(errorMessage(QString)),
  92             this, SLOT(slotErrorMessage(QString)));
  93     connect(m_view, SIGNAL(itemTriggered(KFileItem)),
  94             this, SLOT(slotItemTriggered(KFileItem)));
  95     connect(m_view, SIGNAL(tabRequested(KUrl)),
  96             this, SLOT(createNewWindow(KUrl)));
  97     connect(m_view, SIGNAL(requestContextMenu(KFileItem,KUrl)),
  98             this, SLOT(slotOpenContextMenu(KFileItem,KUrl)));
  99     connect(m_view, SIGNAL(selectionChanged(KFileItemList)),
 100             m_extension, SIGNAL(selectionInfo(KFileItemList)));
 101     connect(m_view, SIGNAL(selectionChanged(KFileItemList)),
 102             this, SLOT(slotSelectionChanged(KFileItemList)));
 103     connect(m_view, SIGNAL(requestItemInfo(KFileItem)),
 104             this, SLOT(slotRequestItemInfo(KFileItem)));
 105     connect(m_view, SIGNAL(urlChanged(KUrl)),
 106             this, SLOT(slotUrlChanged(KUrl)));
 107     connect(m_view, SIGNAL(requestUrlChange(KUrl)),
 108             this, SLOT(slotRequestUrlChange(KUrl)));
 109     connect(m_view, SIGNAL(modeChanged()),
 110             this, SIGNAL(viewModeChanged())); // relay signal
 111
 112     m_actionHandler = new DolphinViewActionHandler(actionCollection(), this);
 113     m_actionHandler->setCurrentView(m_view);
 114
 115     QClipboard* clipboard = QApplication::clipboard();
 116     connect(clipboard, SIGNAL(dataChanged()),
 117             this, SLOT(updatePasteAction()));
 118
 119     createActions();
 120     m_actionHandler->updateViewActions();
 121     slotSelectionChanged(KFileItemList()); // initially disable selection-dependent actions
 122
 123     // TODO sort_by_* actions
 124
 125     // TODO there was a "always open a new window" (when clicking on a directory) setting in konqueror
 126     // (sort of spacial navigation)
 127
 128     loadPlugins(this, this, componentData());
 129 }
 130
 131 DolphinPart::~DolphinPart()
 132 {
 133     delete m_dirLister;
 134 }
 135
 136 void DolphinPart::createActions()
 137 {
 138     KAction *editMimeTypeAction = actionCollection()->addAction( "editMimeType" );
 139     editMimeTypeAction->setText( i18nc("@action:inmenu Edit", "&Edit File Type..." ) );
 140     connect(editMimeTypeAction, SIGNAL(triggered()), SLOT(slotEditMimeType()));
 141
 142     KAction *propertiesAction = actionCollection()->addAction( "properties" );
 143     propertiesAction->setText( i18nc("@action:inmenu Edit", "Properties") );
 144     propertiesAction->setShortcut(Qt::ALT+Qt::Key_Return);
 145     connect(propertiesAction, SIGNAL(triggered()), SLOT(slotProperties()));
 146
 147     // View menu: all done by DolphinViewActionHandler
 148
 149     // Go menu
 150
 151     QActionGroup* goActionGroup = new QActionGroup(this);
 152     connect(goActionGroup, SIGNAL(triggered(QAction*)),
 153             this, SLOT(slotGoTriggered(QAction*)));
 154
 155     createGoAction("go_applications", "start-here-kde",
 156                    i18nc("@action:inmenu Go", "App&lications"), QString("programs:/"),
 157                    goActionGroup);
 158     createGoAction("go_network_folders", "folder-remote",
 159                    i18nc("@action:inmenu Go", "&Network Folders"), QString("remote:/"),
 160                    goActionGroup);
 161     createGoAction("go_settings", "preferences-system",
 162                    i18nc("@action:inmenu Go", "Sett&ings"), QString("settings:/"),
 163                    goActionGroup);
 164     createGoAction("go_trash", "user-trash",
 165                    i18nc("@action:inmenu Go", "Trash"), QString("trash:/"),
 166                    goActionGroup);
 167     createGoAction("go_autostart", "",
 168                    i18nc("@action:inmenu Go", "Autostart"), KGlobalSettings::autostartPath(),
 169                    goActionGroup);
 170
 171     // Tools menu
 172     if (KAuthorized::authorizeKAction("shell_access")) {
 173         KAction* action = actionCollection()->addAction("open_terminal");
 174         action->setIcon(KIcon("utilities-terminal"));
 175         action->setText(i18nc("@action:inmenu Tools", "Open &Terminal"));
 176         connect(action, SIGNAL(triggered()), SLOT(slotOpenTerminal()));
 177         action->setShortcut(Qt::Key_F4);
 178     }
 179
 180 }
 181
 182 void DolphinPart::createGoAction(const char* name, const char* iconName,
 183                                  const QString& text, const QString& url,
 184                                  QActionGroup* actionGroup)
 185 {
 186     KAction* action = actionCollection()->addAction(name);
 187     action->setIcon(KIcon(iconName));
 188     action->setText(text);
 189     action->setData(url);
 190     action->setActionGroup(actionGroup);
 191 }
 192
 193 void DolphinPart::slotGoTriggered(QAction* action)
 194 {
 195     const QString url = action->data().toString();
 196     emit m_extension->openUrlRequest(KUrl(url));
 197 }
 198
 199 void DolphinPart::slotSelectionChanged(const KFileItemList& selection)
 200 {
 201     const bool hasSelection = !selection.isEmpty();
 202
 203     QAction* renameAction  = actionCollection()->action("rename");
 204     QAction* moveToTrashAction = actionCollection()->action("move_to_trash");
 205     QAction* deleteAction = actionCollection()->action("delete");
 206     QAction* editMimeTypeAction = actionCollection()->action("editMimeType");
 207     QAction* propertiesAction = actionCollection()->action("properties");
 208
 209     if (!hasSelection) {
 210         stateChanged("has_no_selection");
 211
 212         emit m_extension->enableAction("cut", false);
 213         emit m_extension->enableAction("copy", false);
 214         renameAction->setEnabled(false);
 215         moveToTrashAction->setEnabled(false);
 216         deleteAction->setEnabled(false);
 217         editMimeTypeAction->setEnabled(false);
 218         propertiesAction->setEnabled(false);
 219     } else {
 220         stateChanged("has_selection");
 221
 222         KonqFileItemCapabilities capabilities(selection);
 223         const bool enableMoveToTrash = capabilities.isLocal() && capabilities.supportsMoving();
 224
 225         renameAction->setEnabled(capabilities.supportsMoving());
 226         moveToTrashAction->setEnabled(enableMoveToTrash);
 227         deleteAction->setEnabled(capabilities.supportsDeleting());
 228         editMimeTypeAction->setEnabled(true);
 229         propertiesAction->setEnabled(true);
 230         emit m_extension->enableAction("cut", capabilities.supportsMoving());
 231         emit m_extension->enableAction("copy", true);
 232     }
 233 }
 234
 235 void DolphinPart::updatePasteAction()
 236 {
 237     QPair<bool, QString> pasteInfo = m_view->pasteInfo();
 238     emit m_extension->enableAction( "paste", pasteInfo.first );
 239     emit m_extension->setActionText( "paste", pasteInfo.second );
 240 }
 241
 242 KAboutData* DolphinPart::createAboutData()
 243 {
 244     return new KAboutData("dolphinpart", "dolphin", ki18nc("@title", "Dolphin Part"), "0.1");
 245 }
 246
 247 bool DolphinPart::openUrl(const KUrl& url)
 248 {
 249     bool reload = arguments().reload();
 250     // A bit of a workaround so that changing the namefilter works: force reload.
 251     // Otherwise DolphinView wouldn't relist the URL, so nothing would happen.
 252     if (m_nameFilter != m_dirLister->nameFilter())
 253         reload = true;
 254     if (m_view->url() == url && !reload) { // DolphinView won't do anything in that case, so don't emit started
 255         return true;
 256     }
 257     setUrl(url); // remember it at the KParts level
 258     KUrl visibleUrl(url);
 259     if (!m_nameFilter.isEmpty()) {
 260         visibleUrl.addPath(m_nameFilter);
 261     }
 262     QString prettyUrl = visibleUrl.pathOrUrl();
 263     emit setWindowCaption(prettyUrl);
 264     emit m_extension->setLocationBarUrl(prettyUrl);
 265     emit started(0); // get the wheel to spin
 266     m_dirLister->setNameFilter(m_nameFilter);
 267     m_view->setUrl(url);
 268     emit aboutToOpenURL();
 269     if (reload)
 270         m_view->reload();
 271     return true;
 272 }
 273
 274 void DolphinPart::slotCompleted(const KUrl& url)
 275 {
 276     Q_UNUSED(url)
 277     emit completed();
 278 }
 279
 280 void DolphinPart::slotCanceled(const KUrl& url)
 281 {
 282     slotCompleted(url);
 283 }
 284
 285 void DolphinPart::slotInfoMessage(const QString& msg)
 286 {
 287     emit setStatusBarText(msg);
 288 }
 289
 290 void DolphinPart::slotErrorMessage(const QString& msg)
 291 {
 292     KMessageBox::error(m_view, msg);
 293 }
 294
 295 void DolphinPart::slotRequestItemInfo(const KFileItem& item)
 296 {
 297     emit m_extension->mouseOverInfo(item);
 298 }
 299
 300 void DolphinPart::slotItemTriggered(const KFileItem& item)
 301 {
 302     KParts::OpenUrlArguments args;
 303     args.setMimeType(item.mimetype());
 304
 305     // Ideally, konqueror should be changed to not require trustedSource for directory views,
 306     // since the idea was not to need BrowserArguments for non-browser stuff...
 307     KParts::BrowserArguments browserArgs;
 308     browserArgs.trustedSource = true;
 309     emit m_extension->openUrlRequest(item.targetUrl(), args, browserArgs);
 310 }
 311
 312 void DolphinPart::createNewWindow(const KUrl& url)
 313 {
 314     // TODO: Check issue N176832 for the missing QAIV signal; task 177399 - maybe this code
 315     // should be moved into DolphinPart::slotItemTriggered()
 316     KFileItem item(S_IFDIR, (mode_t)-1, url);
 317     KParts::OpenUrlArguments args;
 318     args.setMimeType(item.mimetype());
 319     emit m_extension->createNewWindow(url, args);
 320 }
 321
 322 void DolphinPart::slotOpenContextMenu(const KFileItem& _item, const KUrl&)
 323 {
 324     KParts::BrowserExtension::PopupFlags popupFlags = KParts::BrowserExtension::DefaultPopupItems
 325                                                       | KParts::BrowserExtension::ShowProperties
 326                                                       | KParts::BrowserExtension::ShowUrlOperations;
 327
 328     KFileItem item(_item);
 329
 330     if (item.isNull()) { // viewport context menu
 331         popupFlags |= KParts::BrowserExtension::ShowNavigationItems | KParts::BrowserExtension::ShowUp;
 332         item = m_dirLister->rootItem();
 333         if (item.isNull())
 334             item = KFileItem( S_IFDIR, (mode_t)-1, url() );
 335     }
 336
 337     KParts::BrowserExtension::ActionGroupMap actionGroups;
 338     QList<QAction *> editActions;
 339
 340     if (!_item.isNull()) { // only for context menu on one or more items
 341         bool sDeleting = true;
 342         bool sMoving = true;
 343
 344         // If the parent directory of the selected item is writable, moving
 345         // and deleting are possible.
 346         KFileItem parentDir = m_dirLister->rootItem();
 347         if (!parentDir.isWritable()) {
 348             popupFlags |= KParts::BrowserExtension::NoDeletion;
 349             sDeleting = false;
 350             sMoving = false;
 351         }
 352
 353         if ( sMoving )
 354             editActions.append(actionCollection()->action("rename"));
 355
 356         bool addTrash = false;
 357         bool addDel = false;
 358
 359         bool isIntoTrash = _item.url().protocol() == "trash";
 360
 361         if ( sMoving && !isIntoTrash && item.isLocalFile() )
 362             addTrash = true;
 363
 364         if ( sDeleting ) {
 365             if ( !item.isLocalFile() )
 366                 addDel = true;
 367             else if (QApplication::keyboardModifiers() & Qt::ShiftModifier) {
 368                 addTrash = false;
 369                 addDel = true;
 370             }
 371             else {
 372                 KConfigGroup configGroup( KGlobal::config(), "KDE" );
 373                 if ( configGroup.readEntry( "ShowDeleteCommand", false) )
 374                     addDel = true;
 375             }
 376         }
 377
 378         if (addTrash)
 379             editActions.append(actionCollection()->action("move_to_trash"));
 380         if (addDel)
 381             editActions.append(actionCollection()->action("delete"));
 382         actionGroups.insert("editactions", editActions);
 383     }
 384
 385     // TODO: We should change the signature of the slots (and signals) for being able
 386     //       to tell for which items we want a popup.
 387     KFileItemList items = (m_view->selectedItems().count() ? m_view->selectedItems()
 388                            : KFileItemList() << item);
 389     emit m_extension->popupMenu(QCursor::pos(),
 390                                 items,
 391                                 KParts::OpenUrlArguments(),
 392                                 KParts::BrowserArguments(),
 393                                 popupFlags,
 394                                 actionGroups);
 395 }
 396
 397 void DolphinPart::slotUrlChanged(const KUrl& url)
 398 {
 399     QString prettyUrl = url.pathOrUrl();
 400     emit m_extension->setLocationBarUrl(prettyUrl);
 401 }
 402
 403 void DolphinPart::slotRequestUrlChange(const KUrl& url)
 404 {
 405     if (m_view->url() != url) {
 406         // If the view URL is not equal to 'url', then an inner URL change has
 407         // been done (e. g. by activating an existing column in the column view).
 408         openUrl(url);
 409         emit m_extension->openUrlNotify();
 410     }
 411 }
 412
 413 ////
 414
 415 void DolphinPartBrowserExtension::cut()
 416 {
 417     m_part->view()->cutSelectedItems();
 418 }
 419
 420 void DolphinPartBrowserExtension::copy()
 421 {
 422     m_part->view()->copySelectedItems();
 423 }
 424
 425 void DolphinPartBrowserExtension::paste()
 426 {
 427     m_part->view()->paste();
 428 }
 429
 430 void DolphinPartBrowserExtension::reparseConfiguration()
 431 {
 432     m_part->view()->refresh();
 433 }
 434
 435 ////
 436
 437 void DolphinPart::slotEditMimeType()
 438 {
 439     const KFileItemList items = m_view->selectedItems();
 440     if (!items.isEmpty()) {
 441         KonqOperations::editMimeType(items.first().mimetype(), m_view);
 442     }
 443 }
 444
 445 void DolphinPart::slotProperties()
 446 {
 447     const KFileItemList items = m_view->selectedItems();
 448     if (!items.isEmpty()) {
 449         KPropertiesDialog dialog(items.first().url(), m_view);
 450         dialog.exec();
 451     }
 452 }
 453
 454 void DolphinPart::setCurrentViewMode(const QString& viewModeName)
 455 {
 456     QAction* action = actionCollection()->action(viewModeName);
 457     Q_ASSERT(action);
 458     action->trigger();
 459 }
 460
 461 QString DolphinPart::currentViewMode() const
 462 {
 463     return m_actionHandler->currentViewModeActionName();
 464 }
 465
 466 void DolphinPart::setNameFilter(const QString& nameFilter)
 467 {
 468     // This is the "/home/dfaure/*.diff" kind of name filter (KDirLister::setNameFilter)
 469     // which is unrelated to DolphinView::setNameFilter which is substring filtering in a proxy.
 470     m_nameFilter = nameFilter;
 471     // TODO save/restore name filter in saveState/restoreState like KonqDirPart did in kde3?
 472 }
 473
 474 void DolphinPart::slotOpenTerminal()
 475 {
 476     KConfigGroup confGroup(KGlobal::config(), "General"); // set by componentchooser kcm
 477     const QString preferredTerminal = confGroup.readPathEntry("TerminalApplication", "konsole");
 478
 479     QString dir(QDir::homePath());
 480
 481     KUrl u(url());
 482
 483     // If the given directory is not local, it can still be the URL of an
 484     // ioslave using UDS_LOCAL_PATH which to be converted first.
 485     u = KIO::NetAccess::mostLocalUrl(u, widget());
 486
 487     //If the URL is local after the above conversion, set the directory.
 488     if (u.isLocalFile()) {
 489         dir = u.path();
 490     }
 491
 492     // Compensate for terminal having arguments.
 493     QStringList args = KShell::splitArgs(preferredTerminal);
 494     if (args.isEmpty()) {
 495         return;
 496     }
 497     const QString prog = args.takeFirst();
 498     if (prog == "konsole") {
 499         args << "--workdir";
 500         args << dir;
 501     }
 502     QProcess::startDetached(prog, args);
 503 }
 504
 505 #include "dolphinpart.moc"