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