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