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 #include "dolphinnewmenuobserver.h"
  26 #include "dolphinremoteencoding.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 "settings/dolphinsettings.h"
  48
  49 #include <QActionGroup>
  50 #include <QApplication>
  51 #include <QClipboard>
  52
  53 K_PLUGIN_FACTORY(DolphinPartFactory, registerPlugin<DolphinPart>();)
  54 K_EXPORT_PLUGIN(DolphinPartFactory("dolphinpart", "dolphin"))
  55
  56 DolphinPart::DolphinPart(QWidget* parentWidget, QObject* parent, const QVariantList& args)
  57     : KParts::ReadOnlyPart(parent)
  58 {
  59     Q_UNUSED(args)
  60     setComponentData(DolphinPartFactory::componentData(), false);
  61     m_extension = new DolphinPartBrowserExtension(this);
  62
  63     // make sure that other apps using this part find Dolphin's view-file-columns icons
  64     KIconLoader::global()->addAppDir("dolphin");
  65
  66     m_dirLister = new KDirLister;
  67     m_dirLister->setAutoUpdate(true);
  68     if (parentWidget) {
  69         m_dirLister->setMainWindow(parentWidget->window());
  70     }
  71     m_dirLister->setDelayedMimeTypes(true);
  72
  73     //connect(m_dirLister, SIGNAL(started(KUrl)), this, SLOT(slotStarted()));
  74     connect(m_dirLister, SIGNAL(completed(KUrl)), this, SLOT(slotCompleted(KUrl)));
  75     connect(m_dirLister, SIGNAL(canceled(KUrl)), this, SLOT(slotCanceled(KUrl)));
  76     connect(m_dirLister, SIGNAL(percent(int)), this, SLOT(updateProgress(int)));
  77
  78     m_dolphinModel = new DolphinModel(this);
  79     m_dolphinModel->setDirLister(m_dirLister);
  80
  81     m_proxyModel = new DolphinSortFilterProxyModel(this);
  82     m_proxyModel->setSourceModel(m_dolphinModel);
  83
  84     m_view = new DolphinView(parentWidget,
  85                              KUrl(),
  86                              m_dirLister,
  87                              m_dolphinModel,
  88                              m_proxyModel);
  89     m_view->setTabsForFilesEnabled(true);
  90     setWidget(m_view);
  91
  92     setXMLFile("dolphinpart.rc");
  93
  94     connect(m_view, SIGNAL(infoMessage(QString)),
  95             this, SLOT(slotInfoMessage(QString)));
  96     connect(m_view, SIGNAL(errorMessage(QString)),
  97             this, SLOT(slotErrorMessage(QString)));
  98     connect(m_view, SIGNAL(itemTriggered(KFileItem)),
  99             this, SLOT(slotItemTriggered(KFileItem)));
 100     connect(m_view, SIGNAL(tabRequested(KUrl)),
 101             this, SLOT(createNewWindow(KUrl)));
 102     connect(m_view, SIGNAL(requestContextMenu(KFileItem,KUrl,QList<QAction*>)),
 103             this, SLOT(slotOpenContextMenu(KFileItem,KUrl,QList<QAction*>)));
 104     connect(m_view, SIGNAL(selectionChanged(KFileItemList)),
 105             m_extension, SIGNAL(selectionInfo(KFileItemList)));
 106     connect(m_view, SIGNAL(selectionChanged(KFileItemList)),
 107             this, SLOT(slotSelectionChanged(KFileItemList)));
 108     connect(m_view, SIGNAL(requestItemInfo(KFileItem)),
 109             this, SLOT(slotRequestItemInfo(KFileItem)));
 110     connect(m_view, SIGNAL(requestUrlChange(KUrl)),
 111             this, SLOT(slotRequestUrlChange(KUrl)));
 112     connect(m_view, SIGNAL(modeChanged()),
 113             this, SIGNAL(viewModeChanged())); // relay signal
 114     connect(m_view, SIGNAL(redirection(KUrl, KUrl)),
 115             this, SLOT(slotRedirection(KUrl, KUrl)));
 116
 117     // Watch for changes that should result in updates to the
 118     // status bar text.
 119     connect(m_dirLister, SIGNAL(deleteItem(const KFileItem&)),
 120             this, SLOT(updateStatusBar()));
 121     connect(m_dirLister, SIGNAL(clear()),
 122             this, SLOT(updateStatusBar()));
 123     connect(m_view,  SIGNAL(selectionChanged(const KFileItemList)),
 124             this, SLOT(updateStatusBar()));
 125
 126     m_actionHandler = new DolphinViewActionHandler(actionCollection(), this);
 127     m_actionHandler->setCurrentView(m_view);
 128
 129     m_remoteEncoding = new DolphinRemoteEncoding(this, m_actionHandler);
 130     connect(this, SIGNAL(aboutToOpenURL()),
 131             m_remoteEncoding, SLOT(slotAboutToOpenUrl()));
 132
 133     QClipboard* clipboard = QApplication::clipboard();
 134     connect(clipboard, SIGNAL(dataChanged()),
 135             this, SLOT(updatePasteAction()));
 136
 137     createActions();
 138     m_actionHandler->updateViewActions();
 139     slotSelectionChanged(KFileItemList()); // initially disable selection-dependent actions
 140
 141     // TODO there was a "always open a new window" (when clicking on a directory) setting in konqueror
 142     // (sort of spacial navigation)
 143
 144     loadPlugins(this, this, componentData());
 145
 146 }
 147
 148 DolphinPart::~DolphinPart()
 149 {
 150     DolphinSettings::instance().save();
 151     DolphinNewMenuObserver::instance().detach(m_newMenu);
 152     delete m_dirLister;
 153 }
 154
 155 void DolphinPart::createActions()
 156 {
 157     // Edit menu
 158
 159     m_newMenu = new KNewMenu(actionCollection(), widget(), "new_menu");
 160     DolphinNewMenuObserver::instance().attach(m_newMenu);
 161     connect(m_newMenu->menu(), SIGNAL(aboutToShow()),
 162             this, SLOT(updateNewMenu()));
 163
 164     KAction *editMimeTypeAction = actionCollection()->addAction( "editMimeType" );
 165     editMimeTypeAction->setText( i18nc("@action:inmenu Edit", "&Edit File Type..." ) );
 166     connect(editMimeTypeAction, SIGNAL(triggered()), SLOT(slotEditMimeType()));
 167
 168     // View menu: all done by DolphinViewActionHandler
 169
 170     // Go menu
 171
 172     QActionGroup* goActionGroup = new QActionGroup(this);
 173     connect(goActionGroup, SIGNAL(triggered(QAction*)),
 174             this, SLOT(slotGoTriggered(QAction*)));
 175
 176     createGoAction("go_applications", "start-here-kde",
 177                    i18nc("@action:inmenu Go", "App&lications"), QString("programs:/"),
 178                    goActionGroup);
 179     createGoAction("go_network_folders", "folder-remote",
 180                    i18nc("@action:inmenu Go", "&Network Folders"), QString("remote:/"),
 181                    goActionGroup);
 182     createGoAction("go_settings", "preferences-system",
 183                    i18nc("@action:inmenu Go", "Sett&ings"), QString("settings:/"),
 184                    goActionGroup);
 185     createGoAction("go_trash", "user-trash",
 186                    i18nc("@action:inmenu Go", "Trash"), QString("trash:/"),
 187                    goActionGroup);
 188     createGoAction("go_autostart", "",
 189                    i18nc("@action:inmenu Go", "Autostart"), KGlobalSettings::autostartPath(),
 190                    goActionGroup);
 191
 192     // Tools menu
 193     if (KAuthorized::authorizeKAction("shell_access")) {
 194         KAction* action = actionCollection()->addAction("open_terminal");
 195         action->setIcon(KIcon("utilities-terminal"));
 196         action->setText(i18nc("@action:inmenu Tools", "Open &Terminal"));
 197         connect(action, SIGNAL(triggered()), SLOT(slotOpenTerminal()));
 198         action->setShortcut(Qt::Key_F4);
 199     }
 200
 201 }
 202
 203 void DolphinPart::createGoAction(const char* name, const char* iconName,
 204                                  const QString& text, const QString& url,
 205                                  QActionGroup* actionGroup)
 206 {
 207     KAction* action = actionCollection()->addAction(name);
 208     action->setIcon(KIcon(iconName));
 209     action->setText(text);
 210     action->setData(url);
 211     action->setActionGroup(actionGroup);
 212 }
 213
 214 void DolphinPart::slotGoTriggered(QAction* action)
 215 {
 216     const QString url = action->data().toString();
 217     emit m_extension->openUrlRequest(KUrl(url));
 218 }
 219
 220 void DolphinPart::slotSelectionChanged(const KFileItemList& selection)
 221 {
 222     const bool hasSelection = !selection.isEmpty();
 223
 224     QAction* renameAction  = actionCollection()->action("rename");
 225     QAction* moveToTrashAction = actionCollection()->action("move_to_trash");
 226     QAction* deleteAction = actionCollection()->action("delete");
 227     QAction* editMimeTypeAction = actionCollection()->action("editMimeType");
 228     QAction* propertiesAction = actionCollection()->action("properties");
 229     QAction* deleteWithTrashShortcut = actionCollection()->action("delete_shortcut"); // see DolphinViewActionHandler
 230
 231     if (!hasSelection) {
 232         stateChanged("has_no_selection");
 233
 234         emit m_extension->enableAction("cut", false);
 235         emit m_extension->enableAction("copy", false);
 236         deleteWithTrashShortcut->setEnabled(false);
 237         editMimeTypeAction->setEnabled(false);
 238     } else {
 239         stateChanged("has_selection");
 240
 241         // TODO share this code with DolphinMainWindow::updateEditActions (and the desktop code)
 242         // in libkonq
 243         KonqFileItemCapabilities capabilities(selection);
 244         const bool enableMoveToTrash = capabilities.isLocal() && capabilities.supportsMoving();
 245
 246         renameAction->setEnabled(capabilities.supportsMoving());
 247         moveToTrashAction->setEnabled(enableMoveToTrash);
 248         deleteAction->setEnabled(capabilities.supportsDeleting());
 249         deleteWithTrashShortcut->setEnabled(capabilities.supportsDeleting() && !enableMoveToTrash);
 250         editMimeTypeAction->setEnabled(true);
 251         propertiesAction->setEnabled(true);
 252         emit m_extension->enableAction("cut", capabilities.supportsMoving());
 253         emit m_extension->enableAction("copy", true);
 254     }
 255 }
 256
 257 void DolphinPart::updatePasteAction()
 258 {
 259     QPair<bool, QString> pasteInfo = m_view->pasteInfo();
 260     emit m_extension->enableAction( "paste", pasteInfo.first );
 261     emit m_extension->setActionText( "paste", pasteInfo.second );
 262 }
 263
 264 KAboutData* DolphinPart::createAboutData()
 265 {
 266     return new KAboutData("dolphinpart", "dolphin", ki18nc("@title", "Dolphin Part"), "0.1");
 267 }
 268
 269 bool DolphinPart::openUrl(const KUrl& url)
 270 {
 271     bool reload = arguments().reload();
 272     // A bit of a workaround so that changing the namefilter works: force reload.
 273     // Otherwise DolphinView wouldn't relist the URL, so nothing would happen.
 274     if (m_nameFilter != m_dirLister->nameFilter())
 275         reload = true;
 276     if (m_view->url() == url && !reload) { // DolphinView won't do anything in that case, so don't emit started
 277         return true;
 278     }
 279     setUrl(url); // remember it at the KParts level
 280     KUrl visibleUrl(url);
 281     if (!m_nameFilter.isEmpty()) {
 282         visibleUrl.addPath(m_nameFilter);
 283     }
 284     QString prettyUrl = visibleUrl.pathOrUrl();
 285     emit setWindowCaption(prettyUrl);
 286     emit m_extension->setLocationBarUrl(prettyUrl);
 287     emit started(0); // get the wheel to spin
 288     m_dirLister->setNameFilter(m_nameFilter);
 289     m_view->setUrl(url);
 290     updatePasteAction();
 291     emit aboutToOpenURL();
 292     if (reload)
 293         m_view->reload();
 294     return true;
 295 }
 296
 297 void DolphinPart::slotCompleted(const KUrl& url)
 298 {
 299     Q_UNUSED(url)
 300     emit completed();
 301 }
 302
 303 void DolphinPart::slotCanceled(const KUrl& url)
 304 {
 305     slotCompleted(url);
 306 }
 307
 308 void DolphinPart::slotInfoMessage(const QString& msg)
 309 {
 310     emit setStatusBarText(msg);
 311 }
 312
 313 void DolphinPart::slotErrorMessage(const QString& msg)
 314 {
 315     KMessageBox::error(m_view, msg);
 316 }
 317
 318 void DolphinPart::slotRequestItemInfo(const KFileItem& item)
 319 {
 320     emit m_extension->mouseOverInfo(item);
 321     if (item.isNull()) {
 322         updateStatusBar();
 323     } else {
 324         ReadOnlyPart::setStatusBarText(item.getStatusBarInfo());
 325     }
 326 }
 327
 328 void DolphinPart::slotItemTriggered(const KFileItem& item)
 329 {
 330     KParts::OpenUrlArguments args;
 331     args.setMimeType(item.mimetype());
 332
 333     // Ideally, konqueror should be changed to not require trustedSource for directory views,
 334     // since the idea was not to need BrowserArguments for non-browser stuff...
 335     KParts::BrowserArguments browserArgs;
 336     browserArgs.trustedSource = true;
 337     emit m_extension->openUrlRequest(item.targetUrl(), args, browserArgs);
 338 }
 339
 340 void DolphinPart::createNewWindow(const KUrl& url)
 341 {
 342     // TODO: Check issue N176832 for the missing QAIV signal; task 177399 - maybe this code
 343     // should be moved into DolphinPart::slotItemTriggered()
 344     KFileItem item(S_IFDIR, (mode_t)-1, url);
 345     KParts::OpenUrlArguments args;
 346     args.setMimeType(item.mimetype());
 347     emit m_extension->createNewWindow(url, args);
 348 }
 349
 350 void DolphinPart::slotOpenContextMenu(const KFileItem& _item,
 351                                       const KUrl&,
 352                                       const QList<QAction*>& customActions)
 353 {
 354     KParts::BrowserExtension::PopupFlags popupFlags = KParts::BrowserExtension::DefaultPopupItems
 355                                                       | KParts::BrowserExtension::ShowProperties
 356                                                       | KParts::BrowserExtension::ShowUrlOperations;
 357
 358     KFileItem item(_item);
 359
 360     if (item.isNull()) { // viewport context menu
 361         popupFlags |= KParts::BrowserExtension::ShowNavigationItems | KParts::BrowserExtension::ShowUp;
 362         item = m_dirLister->rootItem();
 363         if (item.isNull())
 364             item = KFileItem( S_IFDIR, (mode_t)-1, url() );
 365     }
 366
 367     KParts::BrowserExtension::ActionGroupMap actionGroups;
 368     QList<QAction *> editActions;
 369
 370     editActions += customActions;
 371
 372     if (!_item.isNull()) { // only for context menu on one or more items
 373         bool sDeleting = true;
 374         bool sMoving = true;
 375
 376         // If the parent directory of the selected item is writable, moving
 377         // and deleting are possible.
 378         KFileItem parentDir = m_dirLister->rootItem();
 379         if (!parentDir.isNull() && !parentDir.isWritable()) {
 380             popupFlags |= KParts::BrowserExtension::NoDeletion;
 381             sDeleting = false;
 382             sMoving = false;
 383         }
 384
 385         if ( sMoving )
 386             editActions.append(actionCollection()->action("rename"));
 387
 388         bool addTrash = false;
 389         bool addDel = false;
 390
 391         bool isIntoTrash = _item.url().protocol() == "trash";
 392
 393         if ( sMoving && !isIntoTrash && item.isLocalFile() )
 394             addTrash = true;
 395
 396         if ( sDeleting ) {
 397             if ( !item.isLocalFile() )
 398                 addDel = true;
 399             else if (QApplication::keyboardModifiers() & Qt::ShiftModifier) {
 400                 addTrash = false;
 401                 addDel = true;
 402             }
 403             else {
 404                 KSharedConfig::Ptr globalConfig = KSharedConfig::openConfig("kdeglobals", KConfig::IncludeGlobals);
 405                 KConfigGroup configGroup(globalConfig, "KDE");
 406                 if ( configGroup.readEntry("ShowDeleteCommand", false) )
 407                     addDel = true;
 408             }
 409         }
 410
 411         if (addTrash)
 412             editActions.append(actionCollection()->action("move_to_trash"));
 413         if (addDel)
 414             editActions.append(actionCollection()->action("delete"));
 415
 416         // Normally KonqPopupMenu only shows the "Create new" subdir in the current view
 417         // since otherwise the created file would not be visible.
 418         // But in treeview mode we should allow it.
 419         if (m_view->itemsExpandable())
 420             popupFlags |= KParts::BrowserExtension::ShowCreateDirectory;
 421
 422     }
 423
 424     actionGroups.insert("editactions", editActions);
 425
 426     // TODO: We should change the signature of the slots (and signals) for being able
 427     //       to tell for which items we want a popup.
 428     KFileItemList items = (m_view->selectedItems().count() ? m_view->selectedItems()
 429                            : KFileItemList() << item);
 430     emit m_extension->popupMenu(QCursor::pos(),
 431                                 items,
 432                                 KParts::OpenUrlArguments(),
 433                                 KParts::BrowserArguments(),
 434                                 popupFlags,
 435                                 actionGroups);
 436 }
 437
 438 void DolphinPart::slotRedirection(const KUrl& oldUrl, const KUrl& newUrl)
 439 {
 440     //kDebug() << oldUrl << newUrl << "currentUrl=" << url();
 441     if (oldUrl == url()) {
 442         KParts::ReadOnlyPart::setUrl(newUrl);
 443         const QString prettyUrl = newUrl.pathOrUrl();
 444         emit m_extension->setLocationBarUrl(prettyUrl);
 445     }
 446 }
 447
 448 void DolphinPart::slotRequestUrlChange(const KUrl& url)
 449 {
 450     if (m_view->url() != url) {
 451         // If the view URL is not equal to 'url', then an inner URL change has
 452         // been done (e. g. by activating an existing column in the column view).
 453         openUrl(url);
 454         emit m_extension->openUrlNotify();
 455     }
 456 }
 457
 458 ////
 459
 460 void DolphinPartBrowserExtension::cut()
 461 {
 462     m_part->view()->cutSelectedItems();
 463 }
 464
 465 void DolphinPartBrowserExtension::copy()
 466 {
 467     m_part->view()->copySelectedItems();
 468 }
 469
 470 void DolphinPartBrowserExtension::paste()
 471 {
 472     m_part->view()->paste();
 473 }
 474
 475 void DolphinPartBrowserExtension::reparseConfiguration()
 476 {
 477     m_part->view()->refresh();
 478 }
 479
 480 ////
 481
 482 void DolphinPart::slotEditMimeType()
 483 {
 484     const KFileItemList items = m_view->selectedItems();
 485     if (!items.isEmpty()) {
 486         KonqOperations::editMimeType(items.first().mimetype(), m_view);
 487     }
 488 }
 489
 490 void DolphinPart::setCurrentViewMode(const QString& viewModeName)
 491 {
 492     QAction* action = actionCollection()->action(viewModeName);
 493     Q_ASSERT(action);
 494     action->trigger();
 495 }
 496
 497 QString DolphinPart::currentViewMode() const
 498 {
 499     return m_actionHandler->currentViewModeActionName();
 500 }
 501
 502 void DolphinPart::setNameFilter(const QString& nameFilter)
 503 {
 504     // This is the "/home/dfaure/*.diff" kind of name filter (KDirLister::setNameFilter)
 505     // which is unrelated to DolphinView::setNameFilter which is substring filtering in a proxy.
 506     m_nameFilter = nameFilter;
 507     // TODO save/restore name filter in saveState/restoreState like KonqDirPart did in kde3?
 508 }
 509
 510 void DolphinPart::slotOpenTerminal()
 511 {
 512     QString dir(QDir::homePath());
 513
 514     KUrl u(url());
 515
 516     // If the given directory is not local, it can still be the URL of an
 517     // ioslave using UDS_LOCAL_PATH which to be converted first.
 518     u = KIO::NetAccess::mostLocalUrl(u, widget());
 519
 520     //If the URL is local after the above conversion, set the directory.
 521     if (u.isLocalFile()) {
 522         dir = u.toLocalFile();
 523     }
 524
 525     KToolInvocation::invokeTerminal(QString(), dir);
 526 }
 527
 528 void DolphinPart::updateNewMenu()
 529 {
 530     // As requested by KNewMenu :
 531     m_newMenu->slotCheckUpToDate();
 532     // And set the files that the menu apply on :
 533     m_newMenu->setPopupFiles(url());
 534 }
 535
 536 void DolphinPart::updateStatusBar()
 537 {
 538     emit ReadOnlyPart::setStatusBarText(m_view->statusBarText());
 539 }
 540
 541 void DolphinPart::updateProgress(int percent)
 542 {
 543     m_extension->loadingProgress(percent);
 544 }
 545
 546 #include "dolphinpart.moc"