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