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 <kpropertiesdialog.h>
  22 #include <kglobalsettings.h>
  23 #include "dolphinsortfilterproxymodel.h"
  24 #include "dolphinview.h"
  25 #include "dolphinmodel.h"
  26
  27 #include <konq_operations.h>
  28
  29 #include <kactioncollection.h>
  30 #include <kdirlister.h>
  31 #include <kiconloader.h>
  32 #include <kmessagebox.h>
  33 #include <kparts/genericfactory.h>
  34 #include <ktoggleaction.h>
  35 #include <kconfiggroup.h>
  36
  37 #include <QActionGroup>
  38 #include <QApplication>
  39 #include <QClipboard>
  40
  41 typedef KParts::GenericFactory<DolphinPart> DolphinPartFactory;
  42 K_EXPORT_COMPONENT_FACTORY(dolphinpart, DolphinPartFactory)
  43
  44 DolphinPart::DolphinPart(QWidget* parentWidget, QObject* parent, const QStringList& args)
  45     : KParts::ReadOnlyPart(parent)
  46 {
  47     Q_UNUSED(args)
  48     setComponentData( DolphinPartFactory::componentData() );
  49     m_extension = new DolphinPartBrowserExtension(this);
  50
  51     // make sure that other apps using this part find Dolphin's view-file-columns icons
  52     KIconLoader::global()->addAppDir("dolphin");
  53
  54     m_dirLister = new KDirLister;
  55     m_dirLister->setAutoUpdate(true);
  56     m_dirLister->setMainWindow(parentWidget->topLevelWidget());
  57     m_dirLister->setDelayedMimeTypes(true);
  58
  59     //connect(m_dirLister, SIGNAL(started(KUrl)), this, SLOT(slotStarted()));
  60     connect(m_dirLister, SIGNAL(completed(KUrl)), this, SLOT(slotCompleted(KUrl)));
  61     connect(m_dirLister, SIGNAL(canceled(KUrl)), this, SLOT(slotCanceled(KUrl)));
  62
  63     m_dolphinModel = new DolphinModel(this);
  64     m_dolphinModel->setDirLister(m_dirLister);
  65
  66     m_proxyModel = new DolphinSortFilterProxyModel(this);
  67     m_proxyModel->setSourceModel(m_dolphinModel);
  68
  69     m_view = new DolphinView(parentWidget,
  70                              KUrl(),
  71                              m_dirLister,
  72                              m_dolphinModel,
  73                              m_proxyModel);
  74     setWidget(m_view);
  75
  76     setXMLFile("dolphinpart.rc");
  77
  78     connect(m_view, SIGNAL(infoMessage(QString)),
  79             this, SLOT(slotInfoMessage(QString)));
  80     connect(m_view, SIGNAL(errorMessage(QString)),
  81             this, SLOT(slotErrorMessage(QString)));
  82     connect(m_view, SIGNAL(itemTriggered(KFileItem)),
  83             this, SLOT(slotItemTriggered(KFileItem)));
  84     connect(m_view, SIGNAL(requestContextMenu(KFileItem,KUrl)),
  85             this, SLOT(slotOpenContextMenu(KFileItem,KUrl)));
  86     connect(m_view, SIGNAL(selectionChanged(KFileItemList)),
  87             m_extension, SIGNAL(selectionInfo(KFileItemList)));
  88     connect(m_view, SIGNAL(selectionChanged(KFileItemList)),
  89             this, SLOT(slotSelectionChanged(KFileItemList)));
  90     connect(m_view, SIGNAL(requestItemInfo(KFileItem)),
  91             this, SLOT(slotRequestItemInfo(KFileItem)));
  92     connect(m_view, SIGNAL(urlChanged(KUrl)),
  93             this, SLOT(slotUrlChanged(KUrl)));
  94     connect(m_view, SIGNAL(modeChanged()),
  95             this, SLOT(updateViewActions()));
  96     connect(m_view, SIGNAL(showPreviewChanged()),
  97             this, SLOT(slotShowPreviewChanged()));
  98     connect(m_view, SIGNAL(showHiddenFilesChanged()),
  99             this, SLOT(slotShowHiddenFilesChanged()));
 100     connect(m_view, SIGNAL(categorizedSortingChanged()),
 101             this, SLOT(slotCategorizedSortingChanged()));
 102     // TODO slotSortingChanged
 103     connect(m_view, SIGNAL(sortOrderChanged(Qt::SortOrder)),
 104             this, SLOT(slotSortOrderChanged(Qt::SortOrder)));
 105     connect(m_view, SIGNAL(additionalInfoChanged()),
 106             this, SLOT(slotAdditionalInfoChanged()));
 107
 108     QClipboard* clipboard = QApplication::clipboard();
 109     connect(clipboard, SIGNAL(dataChanged()),
 110             this, SLOT(updatePasteAction()));
 111
 112     createActions();
 113     updateViewActions();
 114     slotSelectionChanged(KFileItemList()); // initially disable selection-dependent actions
 115
 116     // TODO provide the viewmode actions in the menu, merged with the existing view-mode-actions somehow
 117     // [Q_PROPERTY introspection?]
 118
 119     // TODO sort_by_* actions
 120
 121     // TODO there was a "always open a new window" (when clicking on a directory) setting in konqueror
 122     // (sort of spacial navigation)
 123 }
 124
 125 DolphinPart::~DolphinPart()
 126 {
 127     delete m_dirLister;
 128 }
 129
 130 void DolphinPart::createActions()
 131 {
 132     QActionGroup* viewModeActions = new QActionGroup(this);
 133     viewModeActions->addAction(DolphinView::iconsModeAction(actionCollection()));
 134     viewModeActions->addAction(DolphinView::detailsModeAction(actionCollection()));
 135     viewModeActions->addAction(DolphinView::columnsModeAction(actionCollection()));
 136     connect(viewModeActions, SIGNAL(triggered(QAction*)), this, SLOT(slotViewModeActionTriggered(QAction*)));
 137
 138     KAction* renameAction = DolphinView::createRenameAction(actionCollection());
 139     connect(renameAction, SIGNAL(triggered()), m_view, SLOT(renameSelectedItems()));
 140
 141     KAction* moveToTrashAction = DolphinView::createMoveToTrashAction(actionCollection());
 142     connect(moveToTrashAction, SIGNAL(triggered(Qt::MouseButtons, Qt::KeyboardModifiers)),
 143             this, SLOT(slotTrashActivated(Qt::MouseButtons, Qt::KeyboardModifiers)));
 144
 145     KAction* deleteAction = DolphinView::createDeleteAction(actionCollection());
 146     connect(deleteAction, SIGNAL(triggered()), m_view, SLOT(deleteSelectedItems()));
 147
 148     KAction *editMimeTypeAction = actionCollection()->addAction( "editMimeType" );
 149     editMimeTypeAction->setText( i18nc("@action:inmenu Edit", "&Edit File Type..." ) );
 150     connect(editMimeTypeAction, SIGNAL(triggered()), SLOT(slotEditMimeType()));
 151
 152     KAction *propertiesAction = actionCollection()->addAction( "properties" );
 153     propertiesAction->setText( i18nc("@action:inmenu Edit", "Properties") );
 154     propertiesAction->setShortcut(Qt::ALT+Qt::Key_Return);
 155     connect(propertiesAction, SIGNAL(triggered()), SLOT(slotProperties()));
 156
 157     // View menu
 158
 159     // TODO sort_by_*
 160
 161     KAction* sortDescending = DolphinView::createSortDescendingAction(actionCollection());
 162     connect(sortDescending, SIGNAL(triggered()), m_view, SLOT(toggleSortOrder()));
 163
 164     QActionGroup* showInformationActionGroup = DolphinView::createAdditionalInformationActionGroup(actionCollection());
 165     connect(showInformationActionGroup, SIGNAL(triggered(QAction*)), m_view, SLOT(toggleAdditionalInfo(QAction*)));
 166
 167     KAction* showPreview = DolphinView::createShowPreviewAction(actionCollection());
 168     connect(showPreview, SIGNAL(triggered(bool)), m_view, SLOT(setShowPreview(bool)));
 169
 170     KAction* showInGroups = DolphinView::createShowInGroupsAction(actionCollection());
 171     connect(showInGroups, SIGNAL(triggered(bool)), m_view, SLOT(setCategorizedSorting(bool)));
 172
 173     KAction* showHiddenFiles = DolphinView::createShowHiddenFilesAction(actionCollection());
 174     connect(showHiddenFiles, SIGNAL(triggered(bool)), m_view, SLOT(setShowHiddenFiles(bool)));
 175
 176     // Go menu
 177
 178     KAction* newDirAction = DolphinView::createNewDirAction(actionCollection());
 179     connect(newDirAction, SIGNAL(triggered()), SLOT(createDir()));
 180
 181     QActionGroup* goActionGroup = new QActionGroup(this);
 182     connect(goActionGroup, SIGNAL(triggered(QAction*)),
 183             this, SLOT(slotGoTriggered(QAction*)));
 184
 185     createGoAction("go_applications", "start-here-kde",
 186                    i18nc("@action:inmenu Go", "App&lications"), QString("programs:/"),
 187                    goActionGroup);
 188     createGoAction("go_network_folders", "folder-remote",
 189                    i18nc("@action:inmenu Go", "&Network Folders"), QString("remote:/"),
 190                    goActionGroup);
 191     createGoAction("go_settings", "preferences-system",
 192                    i18nc("@action:inmenu Go", "Sett&ings"), QString("settings:/"),
 193                    goActionGroup);
 194     createGoAction("go_trash", "user-trash",
 195                    i18nc("@action:inmenu Go", "Trash"), QString("trash:/"),
 196                    goActionGroup);
 197     createGoAction("go_autostart", "",
 198                    i18nc("@action:inmenu Go", "Autostart"), KGlobalSettings::autostartPath(),
 199                    goActionGroup);
 200 }
 201
 202 void DolphinPart::createGoAction(const char* name, const char* iconName,
 203                                  const QString& text, const QString& url,
 204                                  QActionGroup* actionGroup)
 205 {
 206     KAction* action = actionCollection()->addAction(name);
 207     action->setIcon(KIcon(iconName));
 208     action->setText(text);
 209     action->setData(url);
 210     action->setActionGroup(actionGroup);
 211 }
 212
 213 void DolphinPart::slotGoTriggered(QAction* action)
 214 {
 215     const QString url = action->data().toString();
 216     emit m_extension->openUrlRequest(KUrl(url));
 217 }
 218
 219 void DolphinPart::slotSelectionChanged(const KFileItemList& selection)
 220 {
 221     const bool hasSelection = !selection.isEmpty();
 222     if (!hasSelection) {
 223         stateChanged("has_no_selection");
 224     } else {
 225         stateChanged("has_selection");
 226     }
 227
 228     QStringList actions;
 229     actions << "rename" << "move_to_trash" << "delete" << "editMimeType" << "properties";
 230     foreach(const QString& actionName, actions) {
 231         QAction* action = actionCollection()->action(actionName);
 232         Q_ASSERT(action);
 233         if (action) {
 234             action->setEnabled(hasSelection);
 235         }
 236     }
 237
 238     emit m_extension->enableAction("cut", hasSelection);
 239     emit m_extension->enableAction("copy", hasSelection);
 240 }
 241
 242 void DolphinPart::updatePasteAction()
 243 {
 244     QPair<bool, QString> pasteInfo = m_view->pasteInfo();
 245     emit m_extension->enableAction( "paste", pasteInfo.first );
 246     emit m_extension->setActionText( "paste", pasteInfo.second );
 247 }
 248
 249 void DolphinPart::updateViewActions()
 250 {
 251     QAction* action = actionCollection()->action(m_view->currentViewModeActionName());
 252     if (action != 0) {
 253         KToggleAction* toggleAction = static_cast<KToggleAction*>(action);
 254         toggleAction->setChecked(true);
 255     }
 256 }
 257
 258 KAboutData* DolphinPart::createAboutData()
 259 {
 260     return new KAboutData("dolphinpart", "dolphin", ki18nc("@title", "Dolphin Part"), "0.1");
 261 }
 262
 263 bool DolphinPart::openUrl(const KUrl& url)
 264 {
 265     const bool reload = arguments().reload();
 266     if (m_view->url() == url && !reload) { // DolphinView won't do anything in that case, so don't emit started
 267         return true;
 268     }
 269     setUrl(url); // remember it at the KParts level
 270     const QString prettyUrl = url.pathOrUrl();
 271     emit setWindowCaption(prettyUrl);
 272     emit m_extension->setLocationBarUrl(prettyUrl);
 273     emit started(0); // get the wheel to spin
 274     m_view->setUrl(url);
 275     if (reload)
 276         m_view->reload();
 277     return true;
 278 }
 279
 280 void DolphinPart::slotCompleted(const KUrl& url)
 281 {
 282     Q_UNUSED(url)
 283     emit completed();
 284 }
 285
 286 void DolphinPart::slotCanceled(const KUrl& url)
 287 {
 288     slotCompleted(url);
 289 }
 290
 291 void DolphinPart::slotInfoMessage(const QString& msg)
 292 {
 293     emit setStatusBarText(msg);
 294 }
 295
 296 void DolphinPart::slotErrorMessage(const QString& msg)
 297 {
 298     KMessageBox::error(m_view, msg);
 299 }
 300
 301 void DolphinPart::slotRequestItemInfo(const KFileItem& item)
 302 {
 303     emit m_extension->mouseOverInfo(item);
 304 }
 305
 306 void DolphinPart::slotItemTriggered(const KFileItem& item)
 307 {
 308     KParts::OpenUrlArguments args;
 309     args.setMimeType(item.mimetype());
 310
 311     // Ideally, konqueror should be changed to not require trustedSource for directory views,
 312     // since the idea was not to need BrowserArguments for non-browser stuff...
 313     KParts::BrowserArguments browserArgs;
 314     browserArgs.trustedSource = true;
 315
 316     // MMB click support.
 317     // TODO: this doesn't work, mouseButtons() is always 0.
 318     // Issue N176832 for the missing QAIV signal; task 177399
 319     kDebug() << QApplication::mouseButtons();
 320     if (QApplication::mouseButtons() & Qt::MidButton) {
 321         kDebug() << "MMB!!" << item.mimetype();
 322         if (item.mimeTypePtr()->is("inode/directory")) {
 323             emit m_extension->createNewWindow(item.url(), args);
 324         } else {
 325             kDebug() << "run()";
 326             item.run();
 327         }
 328     } else {
 329         // Left button. [Right button goes to slotOpenContextMenu before triggered can be emitted]
 330         kDebug() << "LMB";
 331         emit m_extension->openUrlRequest(item.url(), args, browserArgs);
 332     }
 333 }
 334
 335 void DolphinPart::slotOpenContextMenu(const KFileItem& _item, const KUrl&)
 336 {
 337     KParts::BrowserExtension::PopupFlags popupFlags = KParts::BrowserExtension::DefaultPopupItems
 338                                                       | KParts::BrowserExtension::ShowProperties
 339                                                       | KParts::BrowserExtension::ShowUrlOperations;
 340     // TODO KonqKfmIconView had if ( !rootItem->isWritable() )
 341     //            popupFlags |= KParts::BrowserExtension::NoDeletion;
 342
 343     KFileItem item(_item);
 344
 345     if (item.isNull()) { // viewport context menu
 346         popupFlags |= KParts::BrowserExtension::ShowNavigationItems | KParts::BrowserExtension::ShowUp;
 347         // TODO get m_dirLister->rootItem if possible. or via kdirmodel?
 348         // and use this as fallback:
 349         item = KFileItem( S_IFDIR, (mode_t)-1, url() );
 350     }
 351
 352     KParts::BrowserExtension::ActionGroupMap actionGroups;
 353     QList<QAction *> editActions;
 354
 355     if (!item.isNull()) { // only for context menu on one or more items
 356         // TODO if ( sMoving )
 357         editActions.append(actionCollection()->action("rename"));
 358
 359         bool addTrash = false;
 360         bool addDel = false;
 361
 362         // TODO if ( sMoving && !isIntoTrash && !isTrashLink )
 363         addTrash = true;
 364
 365         /* TODO if ( sDeleting ) */ {
 366             if ( !item.isLocalFile() )
 367                 addDel = true;
 368             else if (QApplication::keyboardModifiers() & Qt::ShiftModifier) {
 369                 addTrash = false;
 370                 addDel = true;
 371             }
 372             else {
 373                 KConfigGroup configGroup( KGlobal::config(), "KDE" );
 374                 if ( configGroup.readEntry( "ShowDeleteCommand", false) )
 375                     addDel = true;
 376             }
 377         }
 378
 379         if (addTrash)
 380             editActions.append(actionCollection()->action("move_to_trash"));
 381         if (addDel)
 382             editActions.append(actionCollection()->action("delete"));
 383         actionGroups.insert("editactions", editActions);
 384
 385         KFileItemList items; items.append(item);
 386         emit m_extension->popupMenu(QCursor::pos(),
 387                                     items,
 388                                     KParts::OpenUrlArguments(),
 389                                     KParts::BrowserArguments(),
 390                                     popupFlags,
 391                                     actionGroups);
 392     }
 393 }
 394
 395 void DolphinPart::slotViewModeActionTriggered(QAction* action)
 396 {
 397     const DolphinView::Mode mode = action->data().value<DolphinView::Mode>();
 398     m_view->setMode(mode);
 399 }
 400
 401 void DolphinPart::slotUrlChanged(const KUrl& url)
 402 {
 403     if (m_view->url() != url) {
 404         // If the view URL is not equal to 'url', then an inner URL change has
 405         // been done (e. g. by activating an existing column in the column view).
 406         openUrl(url);
 407         emit m_extension->openUrlNotify();
 408     }
 409 }
 410
 411 ////
 412
 413 void DolphinPartBrowserExtension::cut()
 414 {
 415     m_part->view()->cutSelectedItems();
 416 }
 417
 418 void DolphinPartBrowserExtension::copy()
 419 {
 420     m_part->view()->copySelectedItems();
 421 }
 422
 423 void DolphinPartBrowserExtension::paste()
 424 {
 425     m_part->view()->paste();
 426 }
 427
 428 ////
 429
 430 void DolphinPart::slotTrashActivated(Qt::MouseButtons, Qt::KeyboardModifiers modifiers)
 431 {
 432     // Note: kde3's konq_mainwindow.cpp used to check
 433     // reason == KAction::PopupMenuActivation && ...
 434     // but this isn't supported anymore
 435     if (modifiers & Qt::ShiftModifier)
 436         m_view->deleteSelectedItems();
 437     else
 438         m_view->trashSelectedItems();
 439 }
 440
 441 void DolphinPart::slotEditMimeType()
 442 {
 443     const KFileItemList items = m_view->selectedItems();
 444     if (!items.isEmpty()) {
 445         KonqOperations::editMimeType(items.first().mimetype(), m_view);
 446     }
 447 }
 448
 449 void DolphinPart::slotProperties()
 450 {
 451     const KFileItemList items = m_view->selectedItems();
 452     if (!items.isEmpty()) {
 453         KPropertiesDialog dialog(items.first().url(), m_view);
 454         dialog.exec();
 455     }
 456 }
 457
 458 void DolphinPart::createDir()
 459 {
 460     KonqOperations::newDir(m_view, url());
 461 }
 462
 463 void DolphinPart::slotSortOrderChanged(Qt::SortOrder order)
 464 {
 465     KToggleAction* descending = static_cast<KToggleAction*>(actionCollection()->action("descending"));
 466     const bool sortDescending = (order == Qt::DescendingOrder);
 467     descending->setChecked(sortDescending);
 468 }
 469
 470 void DolphinPart::slotAdditionalInfoChanged()
 471 {
 472     m_view->updateAdditionalInfoActions(actionCollection());
 473 }
 474
 475 void DolphinPart::slotShowPreviewChanged()
 476 {
 477     updateViewActions(); // see DolphinMainWindow
 478 }
 479
 480 void DolphinPart::slotShowHiddenFilesChanged()
 481 {
 482     QAction* showHiddenFilesAction = actionCollection()->action("show_hidden_files");
 483     showHiddenFilesAction->setChecked(m_view->showHiddenFiles());
 484 }
 485
 486 void DolphinPart::slotCategorizedSortingChanged()
 487 {
 488     // Duplicated from DolphinMainWindow too.
 489     QAction* showInGroupsAction = actionCollection()->action("show_in_groups");
 490     showInGroupsAction->setChecked(m_view->categorizedSorting());
 491     showInGroupsAction->setEnabled(m_view->supportsCategorizedSorting());
 492 }
 493
 494 // TODO a DolphinViewActionHandler for reducing the duplication in the action handling
 495
 496 #include "dolphinpart.moc"