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
  42 #include <QActionGroup>
  43 #include <QApplication>
  44 #include <QClipboard>
  45
  46 K_PLUGIN_FACTORY(DolphinPartFactory, registerPlugin<DolphinPart>();)
  47 // The componentdata name must be dolphinpart so that dolphinpart.rc is found
  48 // Alternatively we would have to install it as dolphin/dolphinpart.rc
  49 K_EXPORT_PLUGIN(DolphinPartFactory("dolphinpart"))
  50
  51 DolphinPart::DolphinPart(QWidget* parentWidget, QObject* parent, const QVariantList& args)
  52     : KParts::ReadOnlyPart(parent)
  53 {
  54     Q_UNUSED(args)
  55     setComponentData(DolphinPartFactory::componentData(), false);
  56     m_extension = new DolphinPartBrowserExtension(this);
  57
  58     // make sure that other apps using this part find Dolphin's view-file-columns icons
  59     KIconLoader::global()->addAppDir("dolphin");
  60
  61     m_dirLister = new KDirLister;
  62     m_dirLister->setAutoUpdate(true);
  63     m_dirLister->setMainWindow(parentWidget->window());
  64     m_dirLister->setDelayedMimeTypes(true);
  65
  66     //connect(m_dirLister, SIGNAL(started(KUrl)), this, SLOT(slotStarted()));
  67     connect(m_dirLister, SIGNAL(completed(KUrl)), this, SLOT(slotCompleted(KUrl)));
  68     connect(m_dirLister, SIGNAL(canceled(KUrl)), this, SLOT(slotCanceled(KUrl)));
  69
  70     m_dolphinModel = new DolphinModel(this);
  71     m_dolphinModel->setDirLister(m_dirLister);
  72
  73     m_proxyModel = new DolphinSortFilterProxyModel(this);
  74     m_proxyModel->setSourceModel(m_dolphinModel);
  75
  76     m_view = new DolphinView(parentWidget,
  77                              KUrl(),
  78                              m_dirLister,
  79                              m_dolphinModel,
  80                              m_proxyModel);
  81     m_view->setTabsForFilesEnabled(true);
  82     setWidget(m_view);
  83
  84     setXMLFile("dolphinpart.rc");
  85
  86     connect(m_view, SIGNAL(infoMessage(QString)),
  87             this, SLOT(slotInfoMessage(QString)));
  88     connect(m_view, SIGNAL(errorMessage(QString)),
  89             this, SLOT(slotErrorMessage(QString)));
  90     connect(m_view, SIGNAL(itemTriggered(KFileItem)),
  91             this, SLOT(slotItemTriggered(KFileItem)));
  92     connect(m_view, SIGNAL(tabRequested(KUrl)),
  93             this, SLOT(createNewWindow(KUrl)));
  94     connect(m_view, SIGNAL(requestContextMenu(KFileItem,KUrl)),
  95             this, SLOT(slotOpenContextMenu(KFileItem,KUrl)));
  96     connect(m_view, SIGNAL(selectionChanged(KFileItemList)),
  97             m_extension, SIGNAL(selectionInfo(KFileItemList)));
  98     connect(m_view, SIGNAL(selectionChanged(KFileItemList)),
  99             this, SLOT(slotSelectionChanged(KFileItemList)));
 100     connect(m_view, SIGNAL(requestItemInfo(KFileItem)),
 101             this, SLOT(slotRequestItemInfo(KFileItem)));
 102     connect(m_view, SIGNAL(urlChanged(KUrl)),
 103             this, SLOT(slotUrlChanged(KUrl)));
 104     connect(m_view, SIGNAL(requestUrlChange(KUrl)),
 105             this, SLOT(slotRequestUrlChange(KUrl)));
 106     connect(m_view, SIGNAL(modeChanged()),
 107             this, SIGNAL(viewModeChanged())); // relay signal
 108
 109     m_actionHandler = new DolphinViewActionHandler(actionCollection(), this);
 110     m_actionHandler->setCurrentView(m_view);
 111
 112     QClipboard* clipboard = QApplication::clipboard();
 113     connect(clipboard, SIGNAL(dataChanged()),
 114             this, SLOT(updatePasteAction()));
 115
 116     createActions();
 117     m_actionHandler->updateViewActions();
 118     slotSelectionChanged(KFileItemList()); // initially disable selection-dependent actions
 119
 120     // TODO sort_by_* actions
 121
 122     // TODO there was a "always open a new window" (when clicking on a directory) setting in konqueror
 123     // (sort of spacial navigation)
 124
 125     loadPlugins(this, this, componentData());
 126 }
 127
 128 DolphinPart::~DolphinPart()
 129 {
 130     delete m_dirLister;
 131 }
 132
 133 void DolphinPart::createActions()
 134 {
 135     KAction *editMimeTypeAction = actionCollection()->addAction( "editMimeType" );
 136     editMimeTypeAction->setText( i18nc("@action:inmenu Edit", "&Edit File Type..." ) );
 137     connect(editMimeTypeAction, SIGNAL(triggered()), SLOT(slotEditMimeType()));
 138
 139     KAction *propertiesAction = actionCollection()->addAction( "properties" );
 140     propertiesAction->setText( i18nc("@action:inmenu Edit", "Properties") );
 141     propertiesAction->setShortcut(Qt::ALT+Qt::Key_Return);
 142     connect(propertiesAction, SIGNAL(triggered()), SLOT(slotProperties()));
 143
 144     // View menu: all done by DolphinViewActionHandler
 145
 146     // Go menu
 147
 148     QActionGroup* goActionGroup = new QActionGroup(this);
 149     connect(goActionGroup, SIGNAL(triggered(QAction*)),
 150             this, SLOT(slotGoTriggered(QAction*)));
 151
 152     createGoAction("go_applications", "start-here-kde",
 153                    i18nc("@action:inmenu Go", "App&lications"), QString("programs:/"),
 154                    goActionGroup);
 155     createGoAction("go_network_folders", "folder-remote",
 156                    i18nc("@action:inmenu Go", "&Network Folders"), QString("remote:/"),
 157                    goActionGroup);
 158     createGoAction("go_settings", "preferences-system",
 159                    i18nc("@action:inmenu Go", "Sett&ings"), QString("settings:/"),
 160                    goActionGroup);
 161     createGoAction("go_trash", "user-trash",
 162                    i18nc("@action:inmenu Go", "Trash"), QString("trash:/"),
 163                    goActionGroup);
 164     createGoAction("go_autostart", "",
 165                    i18nc("@action:inmenu Go", "Autostart"), KGlobalSettings::autostartPath(),
 166                    goActionGroup);
 167 }
 168
 169 void DolphinPart::createGoAction(const char* name, const char* iconName,
 170                                  const QString& text, const QString& url,
 171                                  QActionGroup* actionGroup)
 172 {
 173     KAction* action = actionCollection()->addAction(name);
 174     action->setIcon(KIcon(iconName));
 175     action->setText(text);
 176     action->setData(url);
 177     action->setActionGroup(actionGroup);
 178 }
 179
 180 void DolphinPart::slotGoTriggered(QAction* action)
 181 {
 182     const QString url = action->data().toString();
 183     emit m_extension->openUrlRequest(KUrl(url));
 184 }
 185
 186 void DolphinPart::slotSelectionChanged(const KFileItemList& selection)
 187 {
 188     const bool hasSelection = !selection.isEmpty();
 189
 190     QAction* renameAction  = actionCollection()->action("rename");
 191     QAction* moveToTrashAction = actionCollection()->action("move_to_trash");
 192     QAction* deleteAction = actionCollection()->action("delete");
 193     QAction* editMimeTypeAction = actionCollection()->action("editMimeType");
 194     QAction* propertiesAction = actionCollection()->action("properties");
 195
 196     if (!hasSelection) {
 197         stateChanged("has_no_selection");
 198
 199         emit m_extension->enableAction("cut", false);
 200         emit m_extension->enableAction("copy", false);
 201         renameAction->setEnabled(false);
 202         moveToTrashAction->setEnabled(false);
 203         deleteAction->setEnabled(false);
 204         editMimeTypeAction->setEnabled(false);
 205         propertiesAction->setEnabled(false);
 206     } else {
 207         stateChanged("has_selection");
 208
 209         KonqFileItemCapabilities capabilities(selection);
 210         const bool enableMoveToTrash = capabilities.isLocal() && capabilities.supportsMoving();
 211
 212         renameAction->setEnabled(capabilities.supportsMoving());
 213         moveToTrashAction->setEnabled(enableMoveToTrash);
 214         deleteAction->setEnabled(capabilities.supportsDeleting());
 215         editMimeTypeAction->setEnabled(true);
 216         propertiesAction->setEnabled(true);
 217         emit m_extension->enableAction("cut", capabilities.supportsMoving());
 218         emit m_extension->enableAction("copy", true);
 219     }
 220 }
 221
 222 void DolphinPart::updatePasteAction()
 223 {
 224     QPair<bool, QString> pasteInfo = m_view->pasteInfo();
 225     emit m_extension->enableAction( "paste", pasteInfo.first );
 226     emit m_extension->setActionText( "paste", pasteInfo.second );
 227 }
 228
 229 KAboutData* DolphinPart::createAboutData()
 230 {
 231     return new KAboutData("dolphinpart", "dolphin", ki18nc("@title", "Dolphin Part"), "0.1");
 232 }
 233
 234 bool DolphinPart::openUrl(const KUrl& url)
 235 {
 236     bool reload = arguments().reload();
 237     // A bit of a workaround so that changing the namefilter works: force reload.
 238     // Otherwise DolphinView wouldn't relist the URL, so nothing would happen.
 239     if (m_nameFilter != m_dirLister->nameFilter())
 240         reload = true;
 241     if (m_view->url() == url && !reload) { // DolphinView won't do anything in that case, so don't emit started
 242         return true;
 243     }
 244     setUrl(url); // remember it at the KParts level
 245     KUrl visibleUrl(url);
 246     if (!m_nameFilter.isEmpty()) {
 247         visibleUrl.addPath(m_nameFilter);
 248     }
 249     QString prettyUrl = visibleUrl.pathOrUrl();
 250     emit setWindowCaption(prettyUrl);
 251     emit m_extension->setLocationBarUrl(prettyUrl);
 252     emit started(0); // get the wheel to spin
 253     m_dirLister->setNameFilter(m_nameFilter);
 254     m_view->setUrl(url);
 255     emit aboutToOpenURL();
 256     if (reload)
 257         m_view->reload();
 258     return true;
 259 }
 260
 261 void DolphinPart::slotCompleted(const KUrl& url)
 262 {
 263     Q_UNUSED(url)
 264     emit completed();
 265 }
 266
 267 void DolphinPart::slotCanceled(const KUrl& url)
 268 {
 269     slotCompleted(url);
 270 }
 271
 272 void DolphinPart::slotInfoMessage(const QString& msg)
 273 {
 274     emit setStatusBarText(msg);
 275 }
 276
 277 void DolphinPart::slotErrorMessage(const QString& msg)
 278 {
 279     KMessageBox::error(m_view, msg);
 280 }
 281
 282 void DolphinPart::slotRequestItemInfo(const KFileItem& item)
 283 {
 284     emit m_extension->mouseOverInfo(item);
 285 }
 286
 287 void DolphinPart::slotItemTriggered(const KFileItem& item)
 288 {
 289     KParts::OpenUrlArguments args;
 290     args.setMimeType(item.mimetype());
 291
 292     // Ideally, konqueror should be changed to not require trustedSource for directory views,
 293     // since the idea was not to need BrowserArguments for non-browser stuff...
 294     KParts::BrowserArguments browserArgs;
 295     browserArgs.trustedSource = true;
 296     emit m_extension->openUrlRequest(item.targetUrl(), args, browserArgs);
 297 }
 298
 299 void DolphinPart::createNewWindow(const KUrl& url)
 300 {
 301     // TODO: Check issue N176832 for the missing QAIV signal; task 177399 - maybe this code
 302     // should be moved into DolphinPart::slotItemTriggered()
 303     KFileItem item(S_IFDIR, (mode_t)-1, url);
 304     KParts::OpenUrlArguments args;
 305     args.setMimeType(item.mimetype());
 306     emit m_extension->createNewWindow(url, args);
 307 }
 308
 309 void DolphinPart::slotOpenContextMenu(const KFileItem& _item, const KUrl&)
 310 {
 311     KParts::BrowserExtension::PopupFlags popupFlags = KParts::BrowserExtension::DefaultPopupItems
 312                                                       | KParts::BrowserExtension::ShowProperties
 313                                                       | KParts::BrowserExtension::ShowUrlOperations;
 314
 315     KFileItem item(_item);
 316
 317     if (item.isNull()) { // viewport context menu
 318         popupFlags |= KParts::BrowserExtension::ShowNavigationItems | KParts::BrowserExtension::ShowUp;
 319         item = m_dirLister->rootItem();
 320         if (item.isNull())
 321             item = KFileItem( S_IFDIR, (mode_t)-1, url() );
 322     }
 323
 324     KParts::BrowserExtension::ActionGroupMap actionGroups;
 325     QList<QAction *> editActions;
 326
 327     if (!_item.isNull()) { // only for context menu on one or more items
 328         bool sDeleting = true;
 329         bool sMoving = true;
 330
 331         // If the parent directory of the selected item is writable, moving
 332         // and deleting are possible.
 333         KFileItem parentDir = m_dirLister->rootItem();
 334         if (!parentDir.isWritable()) {
 335             popupFlags |= KParts::BrowserExtension::NoDeletion;
 336             sDeleting = false;
 337             sMoving = false;
 338         }
 339
 340         if ( sMoving )
 341             editActions.append(actionCollection()->action("rename"));
 342
 343         bool addTrash = false;
 344         bool addDel = false;
 345
 346         bool isIntoTrash = _item.url().protocol() == "trash";
 347
 348         if ( sMoving && !isIntoTrash && item.isLocalFile() )
 349             addTrash = true;
 350
 351         if ( sDeleting ) {
 352             if ( !item.isLocalFile() )
 353                 addDel = true;
 354             else if (QApplication::keyboardModifiers() & Qt::ShiftModifier) {
 355                 addTrash = false;
 356                 addDel = true;
 357             }
 358             else {
 359                 KConfigGroup configGroup( KGlobal::config(), "KDE" );
 360                 if ( configGroup.readEntry( "ShowDeleteCommand", false) )
 361                     addDel = true;
 362             }
 363         }
 364
 365         if (addTrash)
 366             editActions.append(actionCollection()->action("move_to_trash"));
 367         if (addDel)
 368             editActions.append(actionCollection()->action("delete"));
 369         actionGroups.insert("editactions", editActions);
 370     }
 371
 372     // TODO: We should change the signature of the slots (and signals) for being able
 373     //       to tell for which items we want a popup.
 374     KFileItemList items = (m_view->selectedItems().count() ? m_view->selectedItems()
 375                            : KFileItemList() << item);
 376     emit m_extension->popupMenu(QCursor::pos(),
 377                                 items,
 378                                 KParts::OpenUrlArguments(),
 379                                 KParts::BrowserArguments(),
 380                                 popupFlags,
 381                                 actionGroups);
 382 }
 383
 384 void DolphinPart::slotUrlChanged(const KUrl& url)
 385 {
 386     QString prettyUrl = url.pathOrUrl();
 387     emit m_extension->setLocationBarUrl(prettyUrl);
 388 }
 389
 390 void DolphinPart::slotRequestUrlChange(const KUrl& url)
 391 {
 392     if (m_view->url() != url) {
 393         // If the view URL is not equal to 'url', then an inner URL change has
 394         // been done (e. g. by activating an existing column in the column view).
 395         openUrl(url);
 396         emit m_extension->openUrlNotify();
 397     }
 398 }
 399
 400 ////
 401
 402 void DolphinPartBrowserExtension::cut()
 403 {
 404     m_part->view()->cutSelectedItems();
 405 }
 406
 407 void DolphinPartBrowserExtension::copy()
 408 {
 409     m_part->view()->copySelectedItems();
 410 }
 411
 412 void DolphinPartBrowserExtension::paste()
 413 {
 414     m_part->view()->paste();
 415 }
 416
 417 void DolphinPartBrowserExtension::reparseConfiguration()
 418 {
 419     m_part->view()->refresh();
 420 }
 421
 422 ////
 423
 424 void DolphinPart::slotEditMimeType()
 425 {
 426     const KFileItemList items = m_view->selectedItems();
 427     if (!items.isEmpty()) {
 428         KonqOperations::editMimeType(items.first().mimetype(), m_view);
 429     }
 430 }
 431
 432 void DolphinPart::slotProperties()
 433 {
 434     const KFileItemList items = m_view->selectedItems();
 435     if (!items.isEmpty()) {
 436         KPropertiesDialog dialog(items.first().url(), m_view);
 437         dialog.exec();
 438     }
 439 }
 440
 441 void DolphinPart::setCurrentViewMode(const QString& viewModeName)
 442 {
 443     QAction* action = actionCollection()->action(viewModeName);
 444     Q_ASSERT(action);
 445     action->trigger();
 446 }
 447
 448 QString DolphinPart::currentViewMode() const
 449 {
 450     return m_actionHandler->currentViewModeActionName();
 451 }
 452
 453 void DolphinPart::setNameFilter(const QString& nameFilter)
 454 {
 455     // This is the "/home/dfaure/*.diff" kind of name filter (KDirLister::setNameFilter)
 456     // which is unrelated to DolphinView::setNameFilter which is substring filtering in a proxy.
 457     m_nameFilter = nameFilter;
 458     // TODO save/restore name filter in saveState/restoreState like KonqDirPart did in kde3?
 459 }
 460
 461 #include "dolphinpart.moc"