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