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