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