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