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 #include "dolphinnewmenuobserver.h"
  26 #include "dolphinremoteencoding.h"
  27
  28 #include <konq_fileitemcapabilities.h>
  29 #include <konq_operations.h>
  30
  31 #include <kaboutdata.h>
  32 #include <kactioncollection.h>
  33 #include <kconfiggroup.h>
  34 #include <kdirlister.h>
  35 #include <kglobalsettings.h>
  36 #include <kiconloader.h>
  37 #include <klocale.h>
  38 #include <kmessagebox.h>
  39 #include <kpluginfactory.h>
  40 #include <ktoggleaction.h>
  41 #include <kio/netaccess.h>
  42 #include <ktoolinvocation.h>
  43 #include <kauthorized.h>
  44 #include <knewmenu.h>
  45 #include <kmenu.h>
  46
  47 #include "settings/dolphinsettings.h"
  48
  49 #include <QActionGroup>
  50 #include <QApplication>
  51 #include <QClipboard>
  52
  53 K_PLUGIN_FACTORY(DolphinPartFactory, registerPlugin<DolphinPart>();)
  54 K_EXPORT_PLUGIN(DolphinPartFactory("dolphinpart", "dolphin"))
  55
  56 DolphinPart::DolphinPart(QWidget* parentWidget, QObject* parent, const QVariantList& args)
  57     : KParts::ReadOnlyPart(parent)
  58 {
  59     Q_UNUSED(args)
  60     setComponentData(DolphinPartFactory::componentData(), false);
  61     m_extension = new DolphinPartBrowserExtension(this);
  62
  63     // make sure that other apps using this part find Dolphin's view-file-columns icons
  64     KIconLoader::global()->addAppDir("dolphin");
  65
  66     m_dirLister = new KDirLister;
  67     m_dirLister->setAutoUpdate(true);
  68     if (parentWidget) {
  69         m_dirLister->setMainWindow(parentWidget->window());
  70     }
  71     m_dirLister->setDelayedMimeTypes(true);
  72
  73     //connect(m_dirLister, SIGNAL(started(KUrl)), this, SLOT(slotStarted()));
  74     connect(m_dirLister, SIGNAL(completed(KUrl)), this, SLOT(slotCompleted(KUrl)));
  75     connect(m_dirLister, SIGNAL(canceled(KUrl)), this, SLOT(slotCanceled(KUrl)));
  76     connect(m_dirLister, SIGNAL(percent(int)), this, SLOT(updateProgress(int)));
  77
  78     m_dolphinModel = new DolphinModel(this);
  79     m_dolphinModel->setDirLister(m_dirLister);
  80
  81     m_proxyModel = new DolphinSortFilterProxyModel(this);
  82     m_proxyModel->setSourceModel(m_dolphinModel);
  83
  84     m_view = new DolphinView(parentWidget,
  85                              KUrl(),
  86                              m_dirLister,
  87                              m_dolphinModel,
  88                              m_proxyModel);
  89     m_view->setTabsForFilesEnabled(true);
  90     setWidget(m_view);
  91
  92     setXMLFile("dolphinpart.rc");
  93
  94     connect(m_view, SIGNAL(infoMessage(QString)),
  95             this, SLOT(slotInfoMessage(QString)));
  96     connect(m_view, SIGNAL(errorMessage(QString)),
  97             this, SLOT(slotErrorMessage(QString)));
  98     connect(m_view, SIGNAL(itemTriggered(KFileItem)),
  99             this, SLOT(slotItemTriggered(KFileItem)));
 100     connect(m_view, SIGNAL(tabRequested(KUrl)),
 101             this, SLOT(createNewWindow(KUrl)));
 102     connect(m_view, SIGNAL(requestContextMenu(KFileItem,KUrl,QList<QAction*>)),
 103             this, SLOT(slotOpenContextMenu(KFileItem,KUrl,QList<QAction*>)));
 104     connect(m_view, SIGNAL(selectionChanged(KFileItemList)),
 105             m_extension, SIGNAL(selectionInfo(KFileItemList)));
 106     connect(m_view, SIGNAL(selectionChanged(KFileItemList)),
 107             this, SLOT(slotSelectionChanged(KFileItemList)));
 108     connect(m_view, SIGNAL(requestItemInfo(KFileItem)),
 109             this, SLOT(slotRequestItemInfo(KFileItem)));
 110     connect(m_view, SIGNAL(requestUrlChange(KUrl)),
 111             this, SLOT(slotRequestUrlChange(KUrl)));
 112     connect(m_view, SIGNAL(modeChanged()),
 113             this, SIGNAL(viewModeChanged())); // relay signal
 114     connect(m_view, SIGNAL(redirection(KUrl, KUrl)),
 115             this, SLOT(slotRedirection(KUrl, KUrl)));
 116
 117     // Watch for changes that should result in updates to the
 118     // status bar text.
 119     connect(m_dirLister, SIGNAL(deleteItem(const KFileItem&)),
 120             this, SLOT(updateStatusBar()));
 121     connect(m_dirLister, SIGNAL(clear()),
 122             this, SLOT(updateStatusBar()));
 123     connect(m_view,  SIGNAL(selectionChanged(const KFileItemList)),
 124             this, SLOT(updateStatusBar()));
 125
 126     m_actionHandler = new DolphinViewActionHandler(actionCollection(), this);
 127     m_actionHandler->setCurrentView(m_view);
 128     connect(m_actionHandler, SIGNAL(createDirectory()), SLOT(createDirectory()));
 129
 130     m_remoteEncoding = new DolphinRemoteEncoding(this, m_actionHandler);
 131     connect(this, SIGNAL(aboutToOpenURL()),
 132             m_remoteEncoding, SLOT(slotAboutToOpenUrl()));
 133
 134     QClipboard* clipboard = QApplication::clipboard();
 135     connect(clipboard, SIGNAL(dataChanged()),
 136             this, SLOT(updatePasteAction()));
 137
 138     createActions();
 139     m_actionHandler->updateViewActions();
 140     slotSelectionChanged(KFileItemList()); // initially disable selection-dependent actions
 141
 142     // TODO there was a "always open a new window" (when clicking on a directory) setting in konqueror
 143     // (sort of spacial navigation)
 144
 145     loadPlugins(this, this, componentData());
 146
 147 }
 148
 149 DolphinPart::~DolphinPart()
 150 {
 151     DolphinSettings::instance().save();
 152     DolphinNewMenuObserver::instance().detach(m_newMenu);
 153     delete m_dirLister;
 154 }
 155
 156 void DolphinPart::createActions()
 157 {
 158     // Edit menu
 159
 160     m_newMenu = new KNewMenu(actionCollection(), widget(), "new_menu");
 161     DolphinNewMenuObserver::instance().attach(m_newMenu);
 162     connect(m_newMenu->menu(), SIGNAL(aboutToShow()),
 163             this, SLOT(updateNewMenu()));
 164
 165     KAction *editMimeTypeAction = actionCollection()->addAction( "editMimeType" );
 166     editMimeTypeAction->setText( i18nc("@action:inmenu Edit", "&Edit File Type..." ) );
 167     connect(editMimeTypeAction, SIGNAL(triggered()), SLOT(slotEditMimeType()));
 168
 169     // View menu: all done by DolphinViewActionHandler
 170
 171     // Go menu
 172
 173     QActionGroup* goActionGroup = new QActionGroup(this);
 174     connect(goActionGroup, SIGNAL(triggered(QAction*)),
 175             this, SLOT(slotGoTriggered(QAction*)));
 176
 177     createGoAction("go_applications", "start-here-kde",
 178                    i18nc("@action:inmenu Go", "App&lications"), QString("programs:/"),
 179                    goActionGroup);
 180     createGoAction("go_network_folders", "folder-remote",
 181                    i18nc("@action:inmenu Go", "&Network Folders"), QString("remote:/"),
 182                    goActionGroup);
 183     createGoAction("go_settings", "preferences-system",
 184                    i18nc("@action:inmenu Go", "Sett&ings"), QString("settings:/"),
 185                    goActionGroup);
 186     createGoAction("go_trash", "user-trash",
 187                    i18nc("@action:inmenu Go", "Trash"), QString("trash:/"),
 188                    goActionGroup);
 189     createGoAction("go_autostart", "",
 190                    i18nc("@action:inmenu Go", "Autostart"), KGlobalSettings::autostartPath(),
 191                    goActionGroup);
 192
 193     // Tools menu
 194     if (KAuthorized::authorizeKAction("shell_access")) {
 195         KAction* action = actionCollection()->addAction("open_terminal");
 196         action->setIcon(KIcon("utilities-terminal"));
 197         action->setText(i18nc("@action:inmenu Tools", "Open &Terminal"));
 198         connect(action, SIGNAL(triggered()), SLOT(slotOpenTerminal()));
 199         action->setShortcut(Qt::Key_F4);
 200     }
 201
 202 }
 203
 204 void DolphinPart::createGoAction(const char* name, const char* iconName,
 205                                  const QString& text, const QString& url,
 206                                  QActionGroup* actionGroup)
 207 {
 208     KAction* action = actionCollection()->addAction(name);
 209     action->setIcon(KIcon(iconName));
 210     action->setText(text);
 211     action->setData(url);
 212     action->setActionGroup(actionGroup);
 213 }
 214
 215 void DolphinPart::slotGoTriggered(QAction* action)
 216 {
 217     const QString url = action->data().toString();
 218     emit m_extension->openUrlRequest(KUrl(url));
 219 }
 220
 221 void DolphinPart::slotSelectionChanged(const KFileItemList& selection)
 222 {
 223     const bool hasSelection = !selection.isEmpty();
 224
 225     QAction* renameAction  = actionCollection()->action("rename");
 226     QAction* moveToTrashAction = actionCollection()->action("move_to_trash");
 227     QAction* deleteAction = actionCollection()->action("delete");
 228     QAction* editMimeTypeAction = actionCollection()->action("editMimeType");
 229     QAction* propertiesAction = actionCollection()->action("properties");
 230     QAction* deleteWithTrashShortcut = actionCollection()->action("delete_shortcut"); // see DolphinViewActionHandler
 231
 232     if (!hasSelection) {
 233         stateChanged("has_no_selection");
 234
 235         emit m_extension->enableAction("cut", false);
 236         emit m_extension->enableAction("copy", false);
 237         deleteWithTrashShortcut->setEnabled(false);
 238         editMimeTypeAction->setEnabled(false);
 239     } else {
 240         stateChanged("has_selection");
 241
 242         // TODO share this code with DolphinMainWindow::updateEditActions (and the desktop code)
 243         // in libkonq
 244         KonqFileItemCapabilities capabilities(selection);
 245         const bool enableMoveToTrash = capabilities.isLocal() && capabilities.supportsMoving();
 246
 247         renameAction->setEnabled(capabilities.supportsMoving());
 248         moveToTrashAction->setEnabled(enableMoveToTrash);
 249         deleteAction->setEnabled(capabilities.supportsDeleting());
 250         deleteWithTrashShortcut->setEnabled(capabilities.supportsDeleting() && !enableMoveToTrash);
 251         editMimeTypeAction->setEnabled(true);
 252         propertiesAction->setEnabled(true);
 253         emit m_extension->enableAction("cut", capabilities.supportsMoving());
 254         emit m_extension->enableAction("copy", true);
 255     }
 256 }
 257
 258 void DolphinPart::updatePasteAction()
 259 {
 260     QPair<bool, QString> pasteInfo = m_view->pasteInfo();
 261     emit m_extension->enableAction( "paste", pasteInfo.first );
 262     emit m_extension->setActionText( "paste", pasteInfo.second );
 263 }
 264
 265 KAboutData* DolphinPart::createAboutData()
 266 {
 267     return new KAboutData("dolphinpart", "dolphin", ki18nc("@title", "Dolphin Part"), "0.1");
 268 }
 269
 270 bool DolphinPart::openUrl(const KUrl& url)
 271 {
 272     bool reload = arguments().reload();
 273     // A bit of a workaround so that changing the namefilter works: force reload.
 274     // Otherwise DolphinView wouldn't relist the URL, so nothing would happen.
 275     if (m_nameFilter != m_dirLister->nameFilter())
 276         reload = true;
 277     if (m_view->url() == url && !reload) { // DolphinView won't do anything in that case, so don't emit started
 278         return true;
 279     }
 280     setUrl(url); // remember it at the KParts level
 281     KUrl visibleUrl(url);
 282     if (!m_nameFilter.isEmpty()) {
 283         visibleUrl.addPath(m_nameFilter);
 284     }
 285     QString prettyUrl = visibleUrl.pathOrUrl();
 286     emit setWindowCaption(prettyUrl);
 287     emit m_extension->setLocationBarUrl(prettyUrl);
 288     emit started(0); // get the wheel to spin
 289     m_dirLister->setNameFilter(m_nameFilter);
 290     m_view->setUrl(url);
 291     updatePasteAction();
 292     emit aboutToOpenURL();
 293     if (reload)
 294         m_view->reload();
 295     return true;
 296 }
 297
 298 void DolphinPart::slotCompleted(const KUrl& url)
 299 {
 300     Q_UNUSED(url)
 301     emit completed();
 302 }
 303
 304 void DolphinPart::slotCanceled(const KUrl& url)
 305 {
 306     slotCompleted(url);
 307 }
 308
 309 void DolphinPart::slotInfoMessage(const QString& msg)
 310 {
 311     emit setStatusBarText(msg);
 312 }
 313
 314 void DolphinPart::slotErrorMessage(const QString& msg)
 315 {
 316     KMessageBox::error(m_view, msg);
 317 }
 318
 319 void DolphinPart::slotRequestItemInfo(const KFileItem& item)
 320 {
 321     emit m_extension->mouseOverInfo(item);
 322     if (item.isNull()) {
 323         updateStatusBar();
 324     } else {
 325         ReadOnlyPart::setStatusBarText(item.getStatusBarInfo());
 326     }
 327 }
 328
 329 void DolphinPart::slotItemTriggered(const KFileItem& item)
 330 {
 331     KParts::OpenUrlArguments args;
 332     args.setMimeType(item.mimetype());
 333
 334     // Ideally, konqueror should be changed to not require trustedSource for directory views,
 335     // since the idea was not to need BrowserArguments for non-browser stuff...
 336     KParts::BrowserArguments browserArgs;
 337     browserArgs.trustedSource = true;
 338     emit m_extension->openUrlRequest(item.targetUrl(), args, browserArgs);
 339 }
 340
 341 void DolphinPart::createNewWindow(const KUrl& url)
 342 {
 343     // TODO: Check issue N176832 for the missing QAIV signal; task 177399 - maybe this code
 344     // should be moved into DolphinPart::slotItemTriggered()
 345     KFileItem item(S_IFDIR, (mode_t)-1, url);
 346     KParts::OpenUrlArguments args;
 347     args.setMimeType(item.mimetype());
 348     emit m_extension->createNewWindow(url, args);
 349 }
 350
 351 void DolphinPart::slotOpenContextMenu(const KFileItem& _item,
 352                                       const KUrl&,
 353                                       const QList<QAction*>& customActions)
 354 {
 355     KParts::BrowserExtension::PopupFlags popupFlags = KParts::BrowserExtension::DefaultPopupItems
 356                                                       | KParts::BrowserExtension::ShowProperties
 357                                                       | KParts::BrowserExtension::ShowUrlOperations;
 358
 359     KFileItem item(_item);
 360
 361     if (item.isNull()) { // viewport context menu
 362         popupFlags |= KParts::BrowserExtension::ShowNavigationItems | KParts::BrowserExtension::ShowUp;
 363         item = m_dirLister->rootItem();
 364         if (item.isNull())
 365             item = KFileItem( S_IFDIR, (mode_t)-1, url() );
 366     }
 367
 368     KParts::BrowserExtension::ActionGroupMap actionGroups;
 369     QList<QAction *> editActions;
 370
 371     editActions += customActions;
 372
 373     if (!_item.isNull()) { // only for context menu on one or more items
 374         bool sDeleting = true;
 375         bool sMoving = true;
 376
 377         // If the parent directory of the selected item is writable, moving
 378         // and deleting are possible.
 379         KFileItem parentDir = m_dirLister->rootItem();
 380         if (!parentDir.isNull() && !parentDir.isWritable()) {
 381             popupFlags |= KParts::BrowserExtension::NoDeletion;
 382             sDeleting = false;
 383             sMoving = false;
 384         }
 385
 386         if ( sMoving )
 387             editActions.append(actionCollection()->action("rename"));
 388
 389         bool addTrash = false;
 390         bool addDel = false;
 391
 392         bool isIntoTrash = _item.url().protocol() == "trash";
 393
 394         if ( sMoving && !isIntoTrash && item.isLocalFile() )
 395             addTrash = true;
 396
 397         if ( sDeleting ) {
 398             if ( !item.isLocalFile() )
 399                 addDel = true;
 400             else if (QApplication::keyboardModifiers() & Qt::ShiftModifier) {
 401                 addTrash = false;
 402                 addDel = true;
 403             }
 404             else {
 405                 KSharedConfig::Ptr globalConfig = KSharedConfig::openConfig("kdeglobals", KConfig::IncludeGlobals);
 406                 KConfigGroup configGroup(globalConfig, "KDE");
 407                 if ( configGroup.readEntry("ShowDeleteCommand", false) )
 408                     addDel = true;
 409             }
 410         }
 411
 412         if (addTrash)
 413             editActions.append(actionCollection()->action("move_to_trash"));
 414         if (addDel)
 415             editActions.append(actionCollection()->action("delete"));
 416
 417         // Normally KonqPopupMenu only shows the "Create new" subdir in the current view
 418         // since otherwise the created file would not be visible.
 419         // But in treeview mode we should allow it.
 420         if (m_view->itemsExpandable())
 421             popupFlags |= KParts::BrowserExtension::ShowCreateDirectory;
 422
 423     }
 424
 425     actionGroups.insert("editactions", editActions);
 426
 427     // TODO: We should change the signature of the slots (and signals) for being able
 428     //       to tell for which items we want a popup.
 429     KFileItemList items = (m_view->selectedItems().count() ? m_view->selectedItems()
 430                            : KFileItemList() << item);
 431     emit m_extension->popupMenu(QCursor::pos(),
 432                                 items,
 433                                 KParts::OpenUrlArguments(),
 434                                 KParts::BrowserArguments(),
 435                                 popupFlags,
 436                                 actionGroups);
 437 }
 438
 439 void DolphinPart::slotRedirection(const KUrl& oldUrl, const KUrl& newUrl)
 440 {
 441     //kDebug() << oldUrl << newUrl << "currentUrl=" << url();
 442     if (oldUrl == url()) {
 443         KParts::ReadOnlyPart::setUrl(newUrl);
 444         const QString prettyUrl = newUrl.pathOrUrl();
 445         emit m_extension->setLocationBarUrl(prettyUrl);
 446     }
 447 }
 448
 449 void DolphinPart::slotRequestUrlChange(const KUrl& url)
 450 {
 451     if (m_view->url() != url) {
 452         // If the view URL is not equal to 'url', then an inner URL change has
 453         // been done (e. g. by activating an existing column in the column view).
 454         openUrl(url);
 455         emit m_extension->openUrlNotify();
 456     }
 457 }
 458
 459 ////
 460
 461 void DolphinPartBrowserExtension::cut()
 462 {
 463     m_part->view()->cutSelectedItems();
 464 }
 465
 466 void DolphinPartBrowserExtension::copy()
 467 {
 468     m_part->view()->copySelectedItems();
 469 }
 470
 471 void DolphinPartBrowserExtension::paste()
 472 {
 473     m_part->view()->paste();
 474 }
 475
 476 void DolphinPartBrowserExtension::reparseConfiguration()
 477 {
 478     m_part->view()->refresh();
 479 }
 480
 481 ////
 482
 483 void DolphinPart::slotEditMimeType()
 484 {
 485     const KFileItemList items = m_view->selectedItems();
 486     if (!items.isEmpty()) {
 487         KonqOperations::editMimeType(items.first().mimetype(), m_view);
 488     }
 489 }
 490
 491 void DolphinPart::setCurrentViewMode(const QString& viewModeName)
 492 {
 493     QAction* action = actionCollection()->action(viewModeName);
 494     Q_ASSERT(action);
 495     action->trigger();
 496 }
 497
 498 QString DolphinPart::currentViewMode() const
 499 {
 500     return m_actionHandler->currentViewModeActionName();
 501 }
 502
 503 void DolphinPart::setNameFilter(const QString& nameFilter)
 504 {
 505     // This is the "/home/dfaure/*.diff" kind of name filter (KDirLister::setNameFilter)
 506     // which is unrelated to DolphinView::setNameFilter which is substring filtering in a proxy.
 507     m_nameFilter = nameFilter;
 508     // TODO save/restore name filter in saveState/restoreState like KonqDirPart did in kde3?
 509 }
 510
 511 void DolphinPart::slotOpenTerminal()
 512 {
 513     QString dir(QDir::homePath());
 514
 515     KUrl u(url());
 516
 517     // If the given directory is not local, it can still be the URL of an
 518     // ioslave using UDS_LOCAL_PATH which to be converted first.
 519     u = KIO::NetAccess::mostLocalUrl(u, widget());
 520
 521     //If the URL is local after the above conversion, set the directory.
 522     if (u.isLocalFile()) {
 523         dir = u.toLocalFile();
 524     }
 525
 526     KToolInvocation::invokeTerminal(QString(), dir);
 527 }
 528
 529 void DolphinPart::updateNewMenu()
 530 {
 531     // As requested by KNewMenu :
 532     m_newMenu->slotCheckUpToDate();
 533     // And set the files that the menu apply on :
 534     m_newMenu->setPopupFiles(url());
 535 }
 536
 537 void DolphinPart::updateStatusBar()
 538 {
 539     emit ReadOnlyPart::setStatusBarText(m_view->statusBarText());
 540 }
 541
 542 void DolphinPart::updateProgress(int percent)
 543 {
 544     m_extension->loadingProgress(percent);
 545 }
 546
 547 void DolphinPart::createDirectory()
 548 {
 549     m_newMenu->setPopupFiles(url());
 550     m_newMenu->createDirectory();
 551 }
 552
 553 #include "dolphinpart.moc"