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