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(sortOrderChanged(Qt::SortOrder)),
  97             this, SLOT(slotSortOrderChanged(Qt::SortOrder)));
  98     connect(m_view, SIGNAL(additionalInfoChanged()),
  99             this, SLOT(slotAdditionalInfoChanged()));
 100
 101     QClipboard* clipboard = QApplication::clipboard();
 102     connect(clipboard, SIGNAL(dataChanged()),
 103             this, SLOT(updatePasteAction()));
 104
 105     createActions();
 106     updateViewActions();
 107     slotSelectionChanged(KFileItemList()); // initially disable selection-dependent actions
 108
 109     // TODO provide the viewmode actions in the menu, merged with the existing view-mode-actions somehow
 110     // [Q_PROPERTY introspection?]
 111
 112     // TODO sort_by_* actions
 113     // TODO show_*_info actions
 114
 115     // TODO there was a "always open a new window" (when clicking on a directory) setting in konqueror
 116     // (sort of spacial navigation)
 117 }
 118
 119 DolphinPart::~DolphinPart()
 120 {
 121     delete m_dirLister;
 122 }
 123
 124 void DolphinPart::createActions()
 125 {
 126     QActionGroup* viewModeActions = new QActionGroup(this);
 127     viewModeActions->addAction(DolphinView::iconsModeAction(actionCollection()));
 128     viewModeActions->addAction(DolphinView::detailsModeAction(actionCollection()));
 129     viewModeActions->addAction(DolphinView::columnsModeAction(actionCollection()));
 130     connect(viewModeActions, SIGNAL(triggered(QAction*)), this, SLOT(slotViewModeActionTriggered(QAction*)));
 131
 132     KAction* renameAction = DolphinView::createRenameAction(actionCollection());
 133     connect(renameAction, SIGNAL(triggered()), m_view, SLOT(renameSelectedItems()));
 134
 135     KAction* moveToTrashAction = DolphinView::createMoveToTrashAction(actionCollection());
 136     connect(moveToTrashAction, SIGNAL(triggered(Qt::MouseButtons, Qt::KeyboardModifiers)),
 137             this, SLOT(slotTrashActivated(Qt::MouseButtons, Qt::KeyboardModifiers)));
 138
 139     KAction* deleteAction = DolphinView::createDeleteAction(actionCollection());
 140     connect(deleteAction, SIGNAL(triggered()), m_view, SLOT(deleteSelectedItems()));
 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
 152
 153     // TODO sort_by_*
 154
 155     KAction* sortDescending = DolphinView::createSortDescendingAction(actionCollection());
 156     connect(sortDescending, SIGNAL(triggered()), m_view, SLOT(toggleSortOrder()));
 157
 158     QActionGroup* showInformationActionGroup = DolphinView::createAdditionalInformationActionGroup(actionCollection());
 159     connect(showInformationActionGroup, SIGNAL(triggered(QAction*)), m_view, SLOT(toggleAdditionalInfo(QAction*)));
 160
 161     // Go menu
 162
 163     KAction* newDirAction = DolphinView::createNewDirAction(actionCollection());
 164     connect(newDirAction, SIGNAL(triggered()), SLOT(createDir()));
 165
 166     QActionGroup* goActionGroup = new QActionGroup(this);
 167     connect(goActionGroup, SIGNAL(triggered(QAction*)),
 168             this, SLOT(slotGoTriggered(QAction*)));
 169
 170     createGoAction("go_applications", "start-here-kde",
 171                    i18nc("@action:inmenu Go", "App&lications"), QString("programs:/"),
 172                    goActionGroup);
 173     createGoAction("go_network_folders", "folder-remote",
 174                    i18nc("@action:inmenu Go", "&Network Folders"), QString("remote:/"),
 175                    goActionGroup);
 176     createGoAction("go_settings", "preferences-system",
 177                    i18nc("@action:inmenu Go", "Sett&ings"), QString("settings:/"),
 178                    goActionGroup);
 179     createGoAction("go_trash", "user-trash",
 180                    i18nc("@action:inmenu Go", "Trash"), QString("trash:/"),
 181                    goActionGroup);
 182     createGoAction("go_autostart", "",
 183                    i18nc("@action:inmenu Go", "Autostart"), KGlobalSettings::autostartPath(),
 184                    goActionGroup);
 185 }
 186
 187 void DolphinPart::createGoAction(const char* name, const char* iconName,
 188                                  const QString& text, const QString& url,
 189                                  QActionGroup* actionGroup)
 190 {
 191     KAction* action = actionCollection()->addAction(name);
 192     action->setIcon(KIcon(iconName));
 193     action->setText(text);
 194     action->setData(url);
 195     action->setActionGroup(actionGroup);
 196 }
 197
 198 void DolphinPart::slotGoTriggered(QAction* action)
 199 {
 200     const QString url = action->data().toString();
 201     emit m_extension->openUrlRequest(KUrl(url));
 202 }
 203
 204 void DolphinPart::slotSelectionChanged(const KFileItemList& selection)
 205 {
 206     const bool hasSelection = !selection.isEmpty();
 207     if (!hasSelection) {
 208         stateChanged("has_no_selection");
 209     } else {
 210         stateChanged("has_selection");
 211     }
 212
 213     QStringList actions;
 214     actions << "rename" << "move_to_trash" << "delete" << "editMimeType" << "properties";
 215     foreach(const QString& actionName, actions) {
 216         QAction* action = actionCollection()->action(actionName);
 217         Q_ASSERT(action);
 218         if (action) {
 219             action->setEnabled(hasSelection);
 220         }
 221     }
 222
 223     emit m_extension->enableAction("cut", hasSelection);
 224     emit m_extension->enableAction("copy", hasSelection);
 225 }
 226
 227 void DolphinPart::updatePasteAction()
 228 {
 229     QPair<bool, QString> pasteInfo = m_view->pasteInfo();
 230     emit m_extension->enableAction( "paste", pasteInfo.first );
 231     emit m_extension->setActionText( "paste", pasteInfo.second );
 232 }
 233
 234 void DolphinPart::updateViewActions()
 235 {
 236     QAction* action = actionCollection()->action(m_view->currentViewModeActionName());
 237     if (action != 0) {
 238         KToggleAction* toggleAction = static_cast<KToggleAction*>(action);
 239         toggleAction->setChecked(true);
 240     }
 241 }
 242
 243 KAboutData* DolphinPart::createAboutData()
 244 {
 245     return new KAboutData("dolphinpart", "dolphin", ki18nc("@title", "Dolphin Part"), "0.1");
 246 }
 247
 248 bool DolphinPart::openUrl(const KUrl& url)
 249 {
 250     const bool reload = arguments().reload();
 251     if (m_view->url() == url && !reload) { // DolphinView won't do anything in that case, so don't emit started
 252         return true;
 253     }
 254     setUrl(url); // remember it at the KParts level
 255     const QString prettyUrl = url.pathOrUrl();
 256     emit setWindowCaption(prettyUrl);
 257     emit m_extension->setLocationBarUrl(prettyUrl);
 258     emit started(0); // get the wheel to spin
 259     m_view->setUrl(url);
 260     if (reload)
 261         m_view->reload();
 262     return true;
 263 }
 264
 265 void DolphinPart::slotCompleted(const KUrl& url)
 266 {
 267     Q_UNUSED(url)
 268     emit completed();
 269 }
 270
 271 void DolphinPart::slotCanceled(const KUrl& url)
 272 {
 273     slotCompleted(url);
 274 }
 275
 276 void DolphinPart::slotInfoMessage(const QString& msg)
 277 {
 278     emit setStatusBarText(msg);
 279 }
 280
 281 void DolphinPart::slotErrorMessage(const QString& msg)
 282 {
 283     KMessageBox::error(m_view, msg);
 284 }
 285
 286 void DolphinPart::slotRequestItemInfo(const KFileItem& item)
 287 {
 288     emit m_extension->mouseOverInfo(item);
 289 }
 290
 291 void DolphinPart::slotItemTriggered(const KFileItem& item)
 292 {
 293     KParts::OpenUrlArguments args;
 294     args.setMimeType(item.mimetype());
 295
 296     // Ideally, konqueror should be changed to not require trustedSource for directory views,
 297     // since the idea was not to need BrowserArguments for non-browser stuff...
 298     KParts::BrowserArguments browserArgs;
 299     browserArgs.trustedSource = true;
 300
 301     // MMB click support.
 302     // TODO: this doesn't work, mouseButtons() is always 0.
 303     // Issue N176832 for the missing QAIV signal; task 177399
 304     kDebug() << QApplication::mouseButtons();
 305     if (QApplication::mouseButtons() & Qt::MidButton) {
 306         kDebug() << "MMB!!" << item.mimetype();
 307         if (item.mimeTypePtr()->is("inode/directory")) {
 308             emit m_extension->createNewWindow(item.url(), args);
 309         } else {
 310             kDebug() << "run()";
 311             item.run();
 312         }
 313     } else {
 314         // Left button. [Right button goes to slotOpenContextMenu before triggered can be emitted]
 315         kDebug() << "LMB";
 316         emit m_extension->openUrlRequest(item.url(), args, browserArgs);
 317     }
 318 }
 319
 320 void DolphinPart::slotOpenContextMenu(const KFileItem& _item, const KUrl&)
 321 {
 322     KParts::BrowserExtension::PopupFlags popupFlags = KParts::BrowserExtension::DefaultPopupItems
 323                                                       | KParts::BrowserExtension::ShowProperties
 324                                                       | KParts::BrowserExtension::ShowUrlOperations;
 325     // TODO KonqKfmIconView had if ( !rootItem->isWritable() )
 326     //            popupFlags |= KParts::BrowserExtension::NoDeletion;
 327
 328     KFileItem item(_item);
 329
 330     if (item.isNull()) { // viewport context menu
 331         popupFlags |= KParts::BrowserExtension::ShowNavigationItems | KParts::BrowserExtension::ShowUp;
 332         // TODO get m_dirLister->rootItem if possible. or via kdirmodel?
 333         // and use this as fallback:
 334         item = KFileItem( S_IFDIR, (mode_t)-1, url() );
 335     }
 336
 337     KParts::BrowserExtension::ActionGroupMap actionGroups;
 338     QList<QAction *> editActions;
 339
 340     if (!item.isNull()) { // only for context menu on one or more items
 341         // TODO if ( sMoving )
 342         editActions.append(actionCollection()->action("rename"));
 343
 344         bool addTrash = false;
 345         bool addDel = false;
 346
 347         // TODO if ( sMoving && !isIntoTrash && !isTrashLink )
 348         addTrash = true;
 349
 350         /* TODO if ( sDeleting ) */ {
 351             if ( !item.isLocalFile() )
 352                 addDel = true;
 353             else if (QApplication::keyboardModifiers() & Qt::ShiftModifier) {
 354                 addTrash = false;
 355                 addDel = true;
 356             }
 357             else {
 358                 KConfigGroup configGroup( KGlobal::config(), "KDE" );
 359                 if ( configGroup.readEntry( "ShowDeleteCommand", false) )
 360                     addDel = true;
 361             }
 362         }
 363
 364         if (addTrash)
 365             editActions.append(actionCollection()->action("move_to_trash"));
 366         if (addDel)
 367             editActions.append(actionCollection()->action("delete"));
 368         actionGroups.insert("editactions", editActions);
 369
 370         KFileItemList items; items.append(item);
 371         emit m_extension->popupMenu(QCursor::pos(),
 372                                     items,
 373                                     KParts::OpenUrlArguments(),
 374                                     KParts::BrowserArguments(),
 375                                     popupFlags,
 376                                     actionGroups);
 377     }
 378 }
 379
 380 void DolphinPart::slotViewModeActionTriggered(QAction* action)
 381 {
 382     const DolphinView::Mode mode = action->data().value<DolphinView::Mode>();
 383     m_view->setMode(mode);
 384 }
 385
 386 void DolphinPart::slotUrlChanged(const KUrl& url)
 387 {
 388     if (m_view->url() != url) {
 389         // If the view URL is not equal to 'url', then an inner URL change has
 390         // been done (e. g. by activating an existing column in the column view).
 391         openUrl(url);
 392         emit m_extension->openUrlNotify();
 393     }
 394 }
 395
 396 ////
 397
 398 void DolphinPartBrowserExtension::cut()
 399 {
 400     m_part->view()->cutSelectedItems();
 401 }
 402
 403 void DolphinPartBrowserExtension::copy()
 404 {
 405     m_part->view()->copySelectedItems();
 406 }
 407
 408 void DolphinPartBrowserExtension::paste()
 409 {
 410     m_part->view()->paste();
 411 }
 412
 413 ////
 414
 415 void DolphinPart::slotTrashActivated(Qt::MouseButtons, Qt::KeyboardModifiers modifiers)
 416 {
 417     // Note: kde3's konq_mainwindow.cpp used to check
 418     // reason == KAction::PopupMenuActivation && ...
 419     // but this isn't supported anymore
 420     if (modifiers & Qt::ShiftModifier)
 421         m_view->deleteSelectedItems();
 422     else
 423         m_view->trashSelectedItems();
 424 }
 425
 426 void DolphinPart::slotEditMimeType()
 427 {
 428     const KFileItemList items = m_view->selectedItems();
 429     if (!items.isEmpty()) {
 430         KonqOperations::editMimeType(items.first().mimetype(), m_view);
 431     }
 432 }
 433
 434 void DolphinPart::slotProperties()
 435 {
 436     const KFileItemList items = m_view->selectedItems();
 437     if (!items.isEmpty()) {
 438         KPropertiesDialog dialog(items.first().url(), m_view);
 439         dialog.exec();
 440     }
 441 }
 442
 443 void DolphinPart::createDir()
 444 {
 445     KonqOperations::newDir(m_view, url());
 446 }
 447
 448 void DolphinPart::slotSortOrderChanged(Qt::SortOrder order)
 449 {
 450     KToggleAction* descending = static_cast<KToggleAction*>(actionCollection()->action("descending"));
 451     const bool sortDescending = (order == Qt::DescendingOrder);
 452     descending->setChecked(sortDescending);
 453 }
 454
 455 void DolphinPart::slotAdditionalInfoChanged()
 456 {
 457     m_view->updateAdditionalInfoActions(actionCollection());
 458 }
 459
 460 #include "dolphinpart.moc"