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