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 <kfileitemlistproperties.h>
  29 #include <konq_operations.h>
  30
  31 #include <kaboutdata.h>
  32 #include <kactioncollection.h>
  33 #include <kconfiggroup.h>
  34 #include <kdebug.h>
  35 #include <kdirlister.h>
  36 #include <kglobalsettings.h>
  37 #include <kiconloader.h>
  38 #include <klocale.h>
  39 #include <kmessagebox.h>
  40 #include <kpluginfactory.h>
  41 #include <ktoggleaction.h>
  42 #include <kio/netaccess.h>
  43 #include <ktoolinvocation.h>
  44 #include <kauthorized.h>
  45 #include <knewmenu.h>
  46 #include <kmenu.h>
  47
  48 #include "settings/dolphinsettings.h"
  49
  50 #include <QActionGroup>
  51 #include <QApplication>
  52 #include <QClipboard>
  53
  54 K_PLUGIN_FACTORY(DolphinPartFactory, registerPlugin<DolphinPart>();)
  55 K_EXPORT_PLUGIN(DolphinPartFactory("dolphinpart", "dolphin"))
  56
  57 DolphinPart::DolphinPart(QWidget* parentWidget, QObject* parent, const QVariantList& args)
  58     : KParts::ReadOnlyPart(parent)
  59 {
  60     Q_UNUSED(args)
  61     setComponentData(DolphinPartFactory::componentData(), false);
  62     m_extension = new DolphinPartBrowserExtension(this);
  63
  64     // make sure that other apps using this part find Dolphin's view-file-columns icons
  65     KIconLoader::global()->addAppDir("dolphin");
  66
  67     m_dirLister = new KDirLister;
  68     m_dirLister->setAutoUpdate(true);
  69     if (parentWidget) {
  70         m_dirLister->setMainWindow(parentWidget->window());
  71     }
  72     m_dirLister->setDelayedMimeTypes(true);
  73
  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, KUrl(), m_proxyModel);
  85     m_view->setTabsForFilesEnabled(true);
  86     setWidget(m_view);
  87
  88     setXMLFile("dolphinpart.rc");
  89
  90     connect(m_view, SIGNAL(infoMessage(QString)),
  91             this, SLOT(slotMessage(QString)));
  92     connect(m_view, SIGNAL(operationCompletedMessage(QString)),
  93             this, SLOT(slotMessage(QString)));
  94     connect(m_view, SIGNAL(errorMessage(QString)),
  95             this, SLOT(slotErrorMessage(QString)));
  96     connect(m_view, SIGNAL(itemTriggered(KFileItem)),
  97             this, SLOT(slotItemTriggered(KFileItem)));
  98     connect(m_view, SIGNAL(tabRequested(KUrl)),
  99             this, SLOT(createNewWindow(KUrl)));
 100     connect(m_view, SIGNAL(requestContextMenu(KFileItem,KUrl,QList<QAction*>)),
 101             this, SLOT(slotOpenContextMenu(KFileItem,KUrl,QList<QAction*>)));
 102     connect(m_view, SIGNAL(selectionChanged(KFileItemList)),
 103             m_extension, SIGNAL(selectionInfo(KFileItemList)));
 104     connect(m_view, SIGNAL(selectionChanged(KFileItemList)),
 105             this, SLOT(slotSelectionChanged(KFileItemList)));
 106     connect(m_view, SIGNAL(requestItemInfo(KFileItem)),
 107             this, SLOT(slotRequestItemInfo(KFileItem)));
 108     connect(m_view, SIGNAL(requestUrlChange(KUrl)),
 109             this, SLOT(slotRequestUrlChange(KUrl)));
 110     connect(m_view, SIGNAL(modeChanged()),
 111             this, SIGNAL(viewModeChanged())); // relay signal
 112     connect(m_view, SIGNAL(redirection(KUrl, KUrl)),
 113             this, SLOT(slotRedirection(KUrl, KUrl)));
 114
 115     // Watch for changes that should result in updates to the
 116     // status bar text.
 117     connect(m_dirLister, SIGNAL(itemsDeleted(const KFileItemList&)),
 118             this, SLOT(updateStatusBar()));
 119     connect(m_dirLister, SIGNAL(clear()),
 120             this, SLOT(updateStatusBar()));
 121     connect(m_view,  SIGNAL(selectionChanged(const KFileItemList)),
 122             this, SLOT(updateStatusBar()));
 123
 124     m_actionHandler = new DolphinViewActionHandler(actionCollection(), this);
 125     m_actionHandler->setCurrentView(m_view);
 126     connect(m_actionHandler, SIGNAL(createDirectory()), SLOT(createDirectory()));
 127
 128     m_remoteEncoding = new DolphinRemoteEncoding(this, m_actionHandler);
 129     connect(this, SIGNAL(aboutToOpenURL()),
 130             m_remoteEncoding, SLOT(slotAboutToOpenUrl()));
 131
 132     QClipboard* clipboard = QApplication::clipboard();
 133     connect(clipboard, SIGNAL(dataChanged()),
 134             this, SLOT(updatePasteAction()));
 135
 136     createActions();
 137     m_actionHandler->updateViewActions();
 138     slotSelectionChanged(KFileItemList()); // initially disable selection-dependent actions
 139
 140     // TODO there was a "always open a new window" (when clicking on a directory) setting in konqueror
 141     // (sort of spacial navigation)
 142
 143     loadPlugins(this, this, componentData());
 144
 145 }
 146
 147 DolphinPart::~DolphinPart()
 148 {
 149     DolphinSettings::instance().save();
 150     DolphinNewMenuObserver::instance().detach(m_newMenu);
 151     delete m_dirLister;
 152 }
 153
 154 void DolphinPart::createActions()
 155 {
 156     // Edit menu
 157
 158     m_newMenu = new KNewMenu(actionCollection(), widget(), "new_menu");
 159     DolphinNewMenuObserver::instance().attach(m_newMenu);
 160     connect(m_newMenu->menu(), SIGNAL(aboutToShow()),
 161             this, SLOT(updateNewMenu()));
 162
 163     KAction *editMimeTypeAction = actionCollection()->addAction( "editMimeType" );
 164     editMimeTypeAction->setText( i18nc("@action:inmenu Edit", "&Edit File Type..." ) );
 165     connect(editMimeTypeAction, SIGNAL(triggered()), SLOT(slotEditMimeType()));
 166
 167     // View menu: all done by DolphinViewActionHandler
 168
 169     // Go menu
 170
 171     QActionGroup* goActionGroup = new QActionGroup(this);
 172     connect(goActionGroup, SIGNAL(triggered(QAction*)),
 173             this, SLOT(slotGoTriggered(QAction*)));
 174
 175     createGoAction("go_applications", "start-here-kde",
 176                    i18nc("@action:inmenu Go", "App&lications"), QString("programs:/"),
 177                    goActionGroup);
 178     createGoAction("go_network_folders", "folder-remote",
 179                    i18nc("@action:inmenu Go", "&Network Folders"), QString("remote:/"),
 180                    goActionGroup);
 181     createGoAction("go_settings", "preferences-system",
 182                    i18nc("@action:inmenu Go", "Sett&ings"), QString("settings:/"),
 183                    goActionGroup);
 184     createGoAction("go_trash", "user-trash",
 185                    i18nc("@action:inmenu Go", "Trash"), QString("trash:/"),
 186                    goActionGroup);
 187     createGoAction("go_autostart", "",
 188                    i18nc("@action:inmenu Go", "Autostart"), KGlobalSettings::autostartPath(),
 189                    goActionGroup);
 190
 191     // Tools menu
 192     if (KAuthorized::authorizeKAction("shell_access")) {
 193         KAction* action = actionCollection()->addAction("open_terminal");
 194         action->setIcon(KIcon("utilities-terminal"));
 195         action->setText(i18nc("@action:inmenu Tools", "Open &Terminal"));
 196         connect(action, SIGNAL(triggered()), SLOT(slotOpenTerminal()));
 197         action->setShortcut(Qt::Key_F4);
 198     }
 199
 200 }
 201
 202 void DolphinPart::createGoAction(const char* name, const char* iconName,
 203                                  const QString& text, const QString& url,
 204                                  QActionGroup* actionGroup)
 205 {
 206     KAction* action = actionCollection()->addAction(name);
 207     action->setIcon(KIcon(iconName));
 208     action->setText(text);
 209     action->setData(url);
 210     action->setActionGroup(actionGroup);
 211 }
 212
 213 void DolphinPart::slotGoTriggered(QAction* action)
 214 {
 215     const QString url = action->data().toString();
 216     emit m_extension->openUrlRequest(KUrl(url));
 217 }
 218
 219 void DolphinPart::slotSelectionChanged(const KFileItemList& selection)
 220 {
 221     const bool hasSelection = !selection.isEmpty();
 222
 223     QAction* renameAction  = actionCollection()->action("rename");
 224     QAction* moveToTrashAction = actionCollection()->action("move_to_trash");
 225     QAction* deleteAction = actionCollection()->action("delete");
 226     QAction* editMimeTypeAction = actionCollection()->action("editMimeType");
 227     QAction* propertiesAction = actionCollection()->action("properties");
 228     QAction* deleteWithTrashShortcut = actionCollection()->action("delete_shortcut"); // see DolphinViewActionHandler
 229
 230     if (!hasSelection) {
 231         stateChanged("has_no_selection");
 232
 233         emit m_extension->enableAction("cut", false);
 234         emit m_extension->enableAction("copy", false);
 235         deleteWithTrashShortcut->setEnabled(false);
 236         editMimeTypeAction->setEnabled(false);
 237     } else {
 238         stateChanged("has_selection");
 239
 240         // TODO share this code with DolphinMainWindow::updateEditActions (and the desktop code)
 241         // in libkonq
 242         KFileItemListProperties capabilities(selection);
 243         const bool enableMoveToTrash = capabilities.isLocal() && capabilities.supportsMoving();
 244
 245         renameAction->setEnabled(capabilities.supportsMoving());
 246         moveToTrashAction->setEnabled(enableMoveToTrash);
 247         deleteAction->setEnabled(capabilities.supportsDeleting());
 248         deleteWithTrashShortcut->setEnabled(capabilities.supportsDeleting() && !enableMoveToTrash);
 249         editMimeTypeAction->setEnabled(true);
 250         propertiesAction->setEnabled(true);
 251         emit m_extension->enableAction("cut", capabilities.supportsMoving());
 252         emit m_extension->enableAction("copy", true);
 253     }
 254 }
 255
 256 void DolphinPart::updatePasteAction()
 257 {
 258     QPair<bool, QString> pasteInfo = m_view->pasteInfo();
 259     emit m_extension->enableAction( "paste", pasteInfo.first );
 260     emit m_extension->setActionText( "paste", pasteInfo.second );
 261 }
 262
 263 KAboutData* DolphinPart::createAboutData()
 264 {
 265     return new KAboutData("dolphinpart", "dolphin", ki18nc("@title", "Dolphin Part"), "0.1");
 266 }
 267
 268 bool DolphinPart::openUrl(const KUrl& url)
 269 {
 270     bool reload = arguments().reload();
 271     // A bit of a workaround so that changing the namefilter works: force reload.
 272     // Otherwise DolphinView wouldn't relist the URL, so nothing would happen.
 273     if (m_nameFilter != m_dirLister->nameFilter())
 274         reload = true;
 275     if (m_view->url() == url && !reload) { // DolphinView won't do anything in that case, so don't emit started
 276         return true;
 277     }
 278     setUrl(url); // remember it at the KParts level
 279     KUrl visibleUrl(url);
 280     if (!m_nameFilter.isEmpty()) {
 281         visibleUrl.addPath(m_nameFilter);
 282     }
 283     QString prettyUrl = visibleUrl.pathOrUrl();
 284     emit setWindowCaption(prettyUrl);
 285     emit m_extension->setLocationBarUrl(prettyUrl);
 286     emit started(0); // get the wheel to spin
 287     m_dirLister->setNameFilter(m_nameFilter);
 288     m_view->setUrl(url);
 289     updatePasteAction();
 290     emit aboutToOpenURL();
 291     if (reload)
 292         m_view->reload();
 293     return true;
 294 }
 295
 296 void DolphinPart::slotCompleted(const KUrl& url)
 297 {
 298     Q_UNUSED(url)
 299     emit completed();
 300 }
 301
 302 void DolphinPart::slotCanceled(const KUrl& url)
 303 {
 304     slotCompleted(url);
 305 }
 306
 307 void DolphinPart::slotMessage(const QString& msg)
 308 {
 309     emit setStatusBarText(msg);
 310 }
 311
 312 void DolphinPart::slotErrorMessage(const QString& msg)
 313 {
 314     KMessageBox::error(m_view, msg);
 315 }
 316
 317 void DolphinPart::slotRequestItemInfo(const KFileItem& item)
 318 {
 319     emit m_extension->mouseOverInfo(item);
 320     if (item.isNull()) {
 321         updateStatusBar();
 322     } else {
 323         ReadOnlyPart::setStatusBarText(item.getStatusBarInfo());
 324     }
 325 }
 326
 327 void DolphinPart::slotItemTriggered(const KFileItem& item)
 328 {
 329     KParts::OpenUrlArguments args;
 330     args.setMimeType(item.mimetype());
 331
 332     // Ideally, konqueror should be changed to not require trustedSource for directory views,
 333     // since the idea was not to need BrowserArguments for non-browser stuff...
 334     KParts::BrowserArguments browserArgs;
 335     browserArgs.trustedSource = true;
 336     emit m_extension->openUrlRequest(item.targetUrl(), args, browserArgs);
 337 }
 338
 339 void DolphinPart::createNewWindow(const KUrl& url)
 340 {
 341     // TODO: Check issue N176832 for the missing QAIV signal; task 177399 - maybe this code
 342     // should be moved into DolphinPart::slotItemTriggered()
 343     emit m_extension->createNewWindow(url);
 344 }
 345
 346 void DolphinPart::slotOpenContextMenu(const KFileItem& _item,
 347                                       const KUrl&,
 348                                       const QList<QAction*>& customActions)
 349 {
 350     KParts::BrowserExtension::PopupFlags popupFlags = KParts::BrowserExtension::DefaultPopupItems
 351                                                       | KParts::BrowserExtension::ShowProperties
 352                                                       | KParts::BrowserExtension::ShowUrlOperations;
 353
 354     KFileItem item(_item);
 355
 356     if (item.isNull()) { // viewport context menu
 357         popupFlags |= KParts::BrowserExtension::ShowNavigationItems | KParts::BrowserExtension::ShowUp;
 358         item = m_dirLister->rootItem();
 359         if (item.isNull())
 360             item = KFileItem( S_IFDIR, (mode_t)-1, url() );
 361     }
 362
 363     KParts::BrowserExtension::ActionGroupMap actionGroups;
 364     QList<QAction *> editActions;
 365
 366     editActions += customActions;
 367
 368     if (!_item.isNull()) { // only for context menu on one or more items
 369         bool sDeleting = true;
 370         bool sMoving = true;
 371
 372         // If the parent directory of the selected item is writable, moving
 373         // and deleting are possible.
 374         KFileItem parentDir = m_dirLister->rootItem();
 375         if (!parentDir.isNull() && !parentDir.isWritable()) {
 376             popupFlags |= KParts::BrowserExtension::NoDeletion;
 377             sDeleting = false;
 378             sMoving = false;
 379         }
 380
 381         if ( sMoving )
 382             editActions.append(actionCollection()->action("rename"));
 383
 384         bool addTrash = false;
 385         bool addDel = false;
 386
 387         bool isIntoTrash = _item.url().protocol() == "trash";
 388
 389         if ( sMoving && !isIntoTrash && item.isLocalFile() )
 390             addTrash = true;
 391
 392         if ( sDeleting ) {
 393             if ( !item.isLocalFile() )
 394                 addDel = true;
 395             else if (QApplication::keyboardModifiers() & Qt::ShiftModifier) {
 396                 addTrash = false;
 397                 addDel = true;
 398             }
 399             else {
 400                 KSharedConfig::Ptr globalConfig = KSharedConfig::openConfig("kdeglobals", KConfig::IncludeGlobals);
 401                 KConfigGroup configGroup(globalConfig, "KDE");
 402                 if ( configGroup.readEntry("ShowDeleteCommand", false) )
 403                     addDel = true;
 404             }
 405         }
 406
 407         if (addTrash)
 408             editActions.append(actionCollection()->action("move_to_trash"));
 409         if (addDel)
 410             editActions.append(actionCollection()->action("delete"));
 411
 412         // Normally KonqPopupMenu only shows the "Create new" subdir in the current view
 413         // since otherwise the created file would not be visible.
 414         // But in treeview mode we should allow it.
 415         if (m_view->itemsExpandable())
 416             popupFlags |= KParts::BrowserExtension::ShowCreateDirectory;
 417
 418     }
 419
 420     actionGroups.insert("editactions", editActions);
 421
 422     // TODO: We should change the signature of the slots (and signals) for being able
 423     //       to tell for which items we want a popup.
 424     KFileItemList items = (m_view->selectedItems().count() ? m_view->selectedItems()
 425                            : KFileItemList() << item);
 426     emit m_extension->popupMenu(QCursor::pos(),
 427                                 items,
 428                                 KParts::OpenUrlArguments(),
 429                                 KParts::BrowserArguments(),
 430                                 popupFlags,
 431                                 actionGroups);
 432 }
 433
 434 void DolphinPart::slotRedirection(const KUrl& oldUrl, const KUrl& newUrl)
 435 {
 436     //kDebug() << oldUrl << newUrl << "currentUrl=" << url();
 437     if (oldUrl.equals(url(), KUrl::CompareWithoutTrailingSlash /* #207572 */)) {
 438         KParts::ReadOnlyPart::setUrl(newUrl);
 439         const QString prettyUrl = newUrl.pathOrUrl();
 440         emit m_extension->setLocationBarUrl(prettyUrl);
 441     }
 442 }
 443
 444 void DolphinPart::slotRequestUrlChange(const KUrl& url)
 445 {
 446     if (m_view->url() != url) {
 447         // If the view URL is not equal to 'url', then an inner URL change has
 448         // been done (e. g. by activating an existing column in the column view).
 449         openUrl(url);
 450         emit m_extension->openUrlNotify();
 451     }
 452 }
 453
 454 ////
 455
 456 void DolphinPartBrowserExtension::cut()
 457 {
 458     m_part->view()->cutSelectedItems();
 459 }
 460
 461 void DolphinPartBrowserExtension::copy()
 462 {
 463     m_part->view()->copySelectedItems();
 464 }
 465
 466 void DolphinPartBrowserExtension::paste()
 467 {
 468     m_part->view()->paste();
 469 }
 470
 471 void DolphinPartBrowserExtension::reparseConfiguration()
 472 {
 473     m_part->view()->refresh();
 474 }
 475
 476 ////
 477
 478 void DolphinPart::slotEditMimeType()
 479 {
 480     const KFileItemList items = m_view->selectedItems();
 481     if (!items.isEmpty()) {
 482         KonqOperations::editMimeType(items.first().mimetype(), m_view);
 483     }
 484 }
 485
 486 void DolphinPart::setCurrentViewMode(const QString& viewModeName)
 487 {
 488     QAction* action = actionCollection()->action(viewModeName);
 489     Q_ASSERT(action);
 490     action->trigger();
 491 }
 492
 493 QString DolphinPart::currentViewMode() const
 494 {
 495     return m_actionHandler->currentViewModeActionName();
 496 }
 497
 498 void DolphinPart::setNameFilter(const QString& nameFilter)
 499 {
 500     // This is the "/home/dfaure/*.diff" kind of name filter (KDirLister::setNameFilter)
 501     // which is unrelated to DolphinView::setNameFilter which is substring filtering in a proxy.
 502     m_nameFilter = nameFilter;
 503     // TODO save/restore name filter in saveState/restoreState like KonqDirPart did in kde3?
 504 }
 505
 506 void DolphinPart::slotOpenTerminal()
 507 {
 508     QString dir(QDir::homePath());
 509
 510     KUrl u(url());
 511
 512     // If the given directory is not local, it can still be the URL of an
 513     // ioslave using UDS_LOCAL_PATH which to be converted first.
 514     u = KIO::NetAccess::mostLocalUrl(u, widget());
 515
 516     //If the URL is local after the above conversion, set the directory.
 517     if (u.isLocalFile()) {
 518         dir = u.toLocalFile();
 519     }
 520
 521     KToolInvocation::invokeTerminal(QString(), dir);
 522 }
 523
 524 void DolphinPart::updateNewMenu()
 525 {
 526     // As requested by KNewMenu :
 527     m_newMenu->slotCheckUpToDate();
 528     // And set the files that the menu apply on :
 529     m_newMenu->setPopupFiles(url());
 530 }
 531
 532 void DolphinPart::updateStatusBar()
 533 {
 534     emit ReadOnlyPart::setStatusBarText(m_view->statusBarText());
 535 }
 536
 537 void DolphinPart::updateProgress(int percent)
 538 {
 539     m_extension->loadingProgress(percent);
 540 }
 541
 542 void DolphinPart::createDirectory()
 543 {
 544     m_newMenu->setPopupFiles(url());
 545     m_newMenu->createDirectory();
 546 }
 547
 548 #include "dolphinpart.moc"