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 // The componentdata name must be dolphinpart so that dolphinpart.rc is found
  53 // Alternatively we would have to install it as dolphin/dolphinpart.rc
  54 K_EXPORT_PLUGIN(DolphinPartFactory("dolphinpart"))
  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     m_dirLister->setMainWindow(parentWidget->window());
  69     m_dirLister->setDelayedMimeTypes(true);
  70
  71     //connect(m_dirLister, SIGNAL(started(KUrl)), this, SLOT(slotStarted()));
  72     connect(m_dirLister, SIGNAL(completed(KUrl)), this, SLOT(slotCompleted(KUrl)));
  73     connect(m_dirLister, SIGNAL(canceled(KUrl)), this, SLOT(slotCanceled(KUrl)));
  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(urlChanged(KUrl)),
 108             this, SLOT(slotUrlChanged(KUrl)));
 109     connect(m_view, SIGNAL(requestUrlChange(KUrl)),
 110             this, SLOT(slotRequestUrlChange(KUrl)));
 111     connect(m_view, SIGNAL(modeChanged()),
 112             this, SIGNAL(viewModeChanged())); // relay signal
 113
 114     m_actionHandler = new DolphinViewActionHandler(actionCollection(), this);
 115     m_actionHandler->setCurrentView(m_view);
 116
 117     QClipboard* clipboard = QApplication::clipboard();
 118     connect(clipboard, SIGNAL(dataChanged()),
 119             this, SLOT(updatePasteAction()));
 120
 121     createActions();
 122     m_actionHandler->updateViewActions();
 123     slotSelectionChanged(KFileItemList()); // initially disable selection-dependent actions
 124
 125     // TODO sort_by_* actions
 126
 127     // TODO there was a "always open a new window" (when clicking on a directory) setting in konqueror
 128     // (sort of spacial navigation)
 129
 130     loadPlugins(this, this, componentData());
 131 }
 132
 133 DolphinPart::~DolphinPart()
 134 {
 135     delete m_dirLister;
 136 }
 137
 138 void DolphinPart::createActions()
 139 {
 140     // Edit menu
 141
 142     m_newMenu = new KNewMenu(actionCollection(), widget(), "new_menu");
 143     connect(m_newMenu->menu(), SIGNAL(aboutToShow()),
 144             this, SLOT(updateNewMenu()));
 145
 146     KAction *editMimeTypeAction = actionCollection()->addAction( "editMimeType" );
 147     editMimeTypeAction->setText( i18nc("@action:inmenu Edit", "&Edit File Type..." ) );
 148     connect(editMimeTypeAction, SIGNAL(triggered()), SLOT(slotEditMimeType()));
 149
 150     KAction *propertiesAction = actionCollection()->addAction( "properties" );
 151     propertiesAction->setText( i18nc("@action:inmenu Edit", "Properties") );
 152     propertiesAction->setShortcut(Qt::ALT+Qt::Key_Return);
 153     connect(propertiesAction, SIGNAL(triggered()), SLOT(slotProperties()));
 154
 155     // View menu: all done by DolphinViewActionHandler
 156
 157     // Go menu
 158
 159     QActionGroup* goActionGroup = new QActionGroup(this);
 160     connect(goActionGroup, SIGNAL(triggered(QAction*)),
 161             this, SLOT(slotGoTriggered(QAction*)));
 162
 163     createGoAction("go_applications", "start-here-kde",
 164                    i18nc("@action:inmenu Go", "App&lications"), QString("programs:/"),
 165                    goActionGroup);
 166     createGoAction("go_network_folders", "folder-remote",
 167                    i18nc("@action:inmenu Go", "&Network Folders"), QString("remote:/"),
 168                    goActionGroup);
 169     createGoAction("go_settings", "preferences-system",
 170                    i18nc("@action:inmenu Go", "Sett&ings"), QString("settings:/"),
 171                    goActionGroup);
 172     createGoAction("go_trash", "user-trash",
 173                    i18nc("@action:inmenu Go", "Trash"), QString("trash:/"),
 174                    goActionGroup);
 175     createGoAction("go_autostart", "",
 176                    i18nc("@action:inmenu Go", "Autostart"), KGlobalSettings::autostartPath(),
 177                    goActionGroup);
 178
 179     // Tools menu
 180     if (KAuthorized::authorizeKAction("shell_access")) {
 181         KAction* action = actionCollection()->addAction("open_terminal");
 182         action->setIcon(KIcon("utilities-terminal"));
 183         action->setText(i18nc("@action:inmenu Tools", "Open &Terminal"));
 184         connect(action, SIGNAL(triggered()), SLOT(slotOpenTerminal()));
 185         action->setShortcut(Qt::Key_F4);
 186     }
 187
 188 }
 189
 190 void DolphinPart::createGoAction(const char* name, const char* iconName,
 191                                  const QString& text, const QString& url,
 192                                  QActionGroup* actionGroup)
 193 {
 194     KAction* action = actionCollection()->addAction(name);
 195     action->setIcon(KIcon(iconName));
 196     action->setText(text);
 197     action->setData(url);
 198     action->setActionGroup(actionGroup);
 199 }
 200
 201 void DolphinPart::slotGoTriggered(QAction* action)
 202 {
 203     const QString url = action->data().toString();
 204     emit m_extension->openUrlRequest(KUrl(url));
 205 }
 206
 207 void DolphinPart::slotSelectionChanged(const KFileItemList& selection)
 208 {
 209     const bool hasSelection = !selection.isEmpty();
 210
 211     QAction* renameAction  = actionCollection()->action("rename");
 212     QAction* moveToTrashAction = actionCollection()->action("move_to_trash");
 213     QAction* deleteAction = actionCollection()->action("delete");
 214     QAction* editMimeTypeAction = actionCollection()->action("editMimeType");
 215     QAction* propertiesAction = actionCollection()->action("properties");
 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         renameAction->setEnabled(false);
 223         moveToTrashAction->setEnabled(false);
 224         deleteAction->setEnabled(false);
 225         editMimeTypeAction->setEnabled(false);
 226         propertiesAction->setEnabled(false);
 227     } else {
 228         stateChanged("has_selection");
 229
 230         KonqFileItemCapabilities capabilities(selection);
 231         const bool enableMoveToTrash = capabilities.isLocal() && capabilities.supportsMoving();
 232
 233         renameAction->setEnabled(capabilities.supportsMoving());
 234         moveToTrashAction->setEnabled(enableMoveToTrash);
 235         deleteAction->setEnabled(capabilities.supportsDeleting());
 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 }
 307
 308 void DolphinPart::slotItemTriggered(const KFileItem& item)
 309 {
 310     KParts::OpenUrlArguments args;
 311     args.setMimeType(item.mimetype());
 312
 313     // Ideally, konqueror should be changed to not require trustedSource for directory views,
 314     // since the idea was not to need BrowserArguments for non-browser stuff...
 315     KParts::BrowserArguments browserArgs;
 316     browserArgs.trustedSource = true;
 317     emit m_extension->openUrlRequest(item.targetUrl(), args, browserArgs);
 318 }
 319
 320 void DolphinPart::createNewWindow(const KUrl& url)
 321 {
 322     // TODO: Check issue N176832 for the missing QAIV signal; task 177399 - maybe this code
 323     // should be moved into DolphinPart::slotItemTriggered()
 324     KFileItem item(S_IFDIR, (mode_t)-1, url);
 325     KParts::OpenUrlArguments args;
 326     args.setMimeType(item.mimetype());
 327     emit m_extension->createNewWindow(url, args);
 328 }
 329
 330 void DolphinPart::slotOpenContextMenu(const KFileItem& _item, const KUrl&)
 331 {
 332     KParts::BrowserExtension::PopupFlags popupFlags = KParts::BrowserExtension::DefaultPopupItems
 333                                                       | KParts::BrowserExtension::ShowProperties
 334                                                       | KParts::BrowserExtension::ShowUrlOperations;
 335
 336     KFileItem item(_item);
 337
 338     if (item.isNull()) { // viewport context menu
 339         popupFlags |= KParts::BrowserExtension::ShowNavigationItems | KParts::BrowserExtension::ShowUp;
 340         item = m_dirLister->rootItem();
 341         if (item.isNull())
 342             item = KFileItem( S_IFDIR, (mode_t)-1, url() );
 343     }
 344
 345     KParts::BrowserExtension::ActionGroupMap actionGroups;
 346     QList<QAction *> editActions;
 347
 348     if (!_item.isNull()) { // only for context menu on one or more items
 349         bool sDeleting = true;
 350         bool sMoving = true;
 351
 352         // If the parent directory of the selected item is writable, moving
 353         // and deleting are possible.
 354         KFileItem parentDir = m_dirLister->rootItem();
 355         if (!parentDir.isWritable()) {
 356             popupFlags |= KParts::BrowserExtension::NoDeletion;
 357             sDeleting = false;
 358             sMoving = false;
 359         }
 360
 361         if ( sMoving )
 362             editActions.append(actionCollection()->action("rename"));
 363
 364         bool addTrash = false;
 365         bool addDel = false;
 366
 367         bool isIntoTrash = _item.url().protocol() == "trash";
 368
 369         if ( sMoving && !isIntoTrash && item.isLocalFile() )
 370             addTrash = true;
 371
 372         if ( sDeleting ) {
 373             if ( !item.isLocalFile() )
 374                 addDel = true;
 375             else if (QApplication::keyboardModifiers() & Qt::ShiftModifier) {
 376                 addTrash = false;
 377                 addDel = true;
 378             }
 379             else {
 380                 KConfigGroup configGroup( KGlobal::config(), "KDE" );
 381                 if ( configGroup.readEntry( "ShowDeleteCommand", false) )
 382                     addDel = true;
 383             }
 384         }
 385
 386         if (addTrash)
 387             editActions.append(actionCollection()->action("move_to_trash"));
 388         if (addDel)
 389             editActions.append(actionCollection()->action("delete"));
 390         actionGroups.insert("editactions", editActions);
 391     }
 392
 393     // TODO: We should change the signature of the slots (and signals) for being able
 394     //       to tell for which items we want a popup.
 395     KFileItemList items = (m_view->selectedItems().count() ? m_view->selectedItems()
 396                            : KFileItemList() << item);
 397     emit m_extension->popupMenu(QCursor::pos(),
 398                                 items,
 399                                 KParts::OpenUrlArguments(),
 400                                 KParts::BrowserArguments(),
 401                                 popupFlags,
 402                                 actionGroups);
 403 }
 404
 405 void DolphinPart::slotUrlChanged(const KUrl& url)
 406 {
 407     QString prettyUrl = url.pathOrUrl();
 408     emit m_extension->setLocationBarUrl(prettyUrl);
 409 }
 410
 411 void DolphinPart::slotRequestUrlChange(const KUrl& url)
 412 {
 413     if (m_view->url() != url) {
 414         // If the view URL is not equal to 'url', then an inner URL change has
 415         // been done (e. g. by activating an existing column in the column view).
 416         openUrl(url);
 417         emit m_extension->openUrlNotify();
 418     }
 419 }
 420
 421 ////
 422
 423 void DolphinPartBrowserExtension::cut()
 424 {
 425     m_part->view()->cutSelectedItems();
 426 }
 427
 428 void DolphinPartBrowserExtension::copy()
 429 {
 430     m_part->view()->copySelectedItems();
 431 }
 432
 433 void DolphinPartBrowserExtension::paste()
 434 {
 435     m_part->view()->paste();
 436 }
 437
 438 void DolphinPartBrowserExtension::reparseConfiguration()
 439 {
 440     m_part->view()->refresh();
 441 }
 442
 443 ////
 444
 445 void DolphinPart::slotEditMimeType()
 446 {
 447     const KFileItemList items = m_view->selectedItems();
 448     if (!items.isEmpty()) {
 449         KonqOperations::editMimeType(items.first().mimetype(), m_view);
 450     }
 451 }
 452
 453 void DolphinPart::slotProperties()
 454 {
 455     const KFileItemList items = m_view->selectedItems();
 456     if (!items.isEmpty()) {
 457         KPropertiesDialog dialog(items.first().url(), m_view);
 458         dialog.exec();
 459     }
 460 }
 461
 462 void DolphinPart::setCurrentViewMode(const QString& viewModeName)
 463 {
 464     QAction* action = actionCollection()->action(viewModeName);
 465     Q_ASSERT(action);
 466     action->trigger();
 467 }
 468
 469 QString DolphinPart::currentViewMode() const
 470 {
 471     return m_actionHandler->currentViewModeActionName();
 472 }
 473
 474 void DolphinPart::setNameFilter(const QString& nameFilter)
 475 {
 476     // This is the "/home/dfaure/*.diff" kind of name filter (KDirLister::setNameFilter)
 477     // which is unrelated to DolphinView::setNameFilter which is substring filtering in a proxy.
 478     m_nameFilter = nameFilter;
 479     // TODO save/restore name filter in saveState/restoreState like KonqDirPart did in kde3?
 480 }
 481
 482 void DolphinPart::slotOpenTerminal()
 483 {
 484     QString dir(QDir::homePath());
 485
 486     KUrl u(url());
 487
 488     // If the given directory is not local, it can still be the URL of an
 489     // ioslave using UDS_LOCAL_PATH which to be converted first.
 490     u = KIO::NetAccess::mostLocalUrl(u, widget());
 491
 492     //If the URL is local after the above conversion, set the directory.
 493     if (u.isLocalFile()) {
 494         dir = u.path();
 495     }
 496
 497     KToolInvocation::invokeTerminal(QString(), dir);
 498 }
 499
 500 void DolphinPart::updateNewMenu()
 501 {
 502     // As requested by KNewMenu :
 503     m_newMenu->slotCheckUpToDate();
 504     // And set the files that the menu apply on :
 505     m_newMenu->setPopupFiles(url());
 506 }
 507
 508 #include "dolphinpart.moc"