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