apps/dolphin/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_operations.h>
  27
  28 #include <kpropertiesdialog.h>
  29 #include <kglobalsettings.h>
  30 #include <kactioncollection.h>
  31 #include <kdirlister.h>
  32 #include <kiconloader.h>
  33 #include <kmessagebox.h>
  34 #include <kparts/genericfactory.h>
  35 #include <ktoggleaction.h>
  36 #include <kconfiggroup.h>
  37
  38 #include <QActionGroup>
  39 #include <QApplication>
  40 #include <QClipboard>
  41
  42 typedef KParts::GenericFactory<DolphinPart> DolphinPartFactory;
  43 K_EXPORT_COMPONENT_FACTORY(dolphinpart, DolphinPartFactory)
  44
  45 DolphinPart::DolphinPart(QWidget* parentWidget, QObject* parent, const QStringList& args)
  46     : KParts::ReadOnlyPart(parent)
  47 {
  48     Q_UNUSED(args)
  49     setComponentData( DolphinPartFactory::componentData() );
  50     m_extension = new DolphinPartBrowserExtension(this);
  51
  52     // make sure that other apps using this part find Dolphin's view-file-columns icons
  53     KIconLoader::global()->addAppDir("dolphin");
  54
  55     m_dirLister = new KDirLister;
  56     m_dirLister->setAutoUpdate(true);
  57     m_dirLister->setMainWindow(parentWidget->window());
  58     m_dirLister->setDelayedMimeTypes(true);
  59
  60     //connect(m_dirLister, SIGNAL(started(KUrl)), this, SLOT(slotStarted()));
  61     connect(m_dirLister, SIGNAL(completed(KUrl)), this, SLOT(slotCompleted(KUrl)));
  62     connect(m_dirLister, SIGNAL(canceled(KUrl)), this, SLOT(slotCanceled(KUrl)));
  63
  64     m_dolphinModel = new DolphinModel(this);
  65     m_dolphinModel->setDirLister(m_dirLister);
  66
  67     m_proxyModel = new DolphinSortFilterProxyModel(this);
  68     m_proxyModel->setSourceModel(m_dolphinModel);
  69
  70     m_view = new DolphinView(parentWidget,
  71                              KUrl(),
  72                              m_dirLister,
  73                              m_dolphinModel,
  74                              m_proxyModel);
  75     setWidget(m_view);
  76
  77     setXMLFile("dolphinpart.rc");
  78
  79     connect(m_view, SIGNAL(infoMessage(QString)),
  80             this, SLOT(slotInfoMessage(QString)));
  81     connect(m_view, SIGNAL(errorMessage(QString)),
  82             this, SLOT(slotErrorMessage(QString)));
  83     connect(m_view, SIGNAL(itemTriggered(KFileItem)),
  84             this, SLOT(slotItemTriggered(KFileItem)));
  85     connect(m_view, SIGNAL(requestContextMenu(KFileItem,KUrl)),
  86             this, SLOT(slotOpenContextMenu(KFileItem,KUrl)));
  87     connect(m_view, SIGNAL(selectionChanged(KFileItemList)),
  88             m_extension, SIGNAL(selectionInfo(KFileItemList)));
  89     connect(m_view, SIGNAL(selectionChanged(KFileItemList)),
  90             this, SLOT(slotSelectionChanged(KFileItemList)));
  91     connect(m_view, SIGNAL(requestItemInfo(KFileItem)),
  92             this, SLOT(slotRequestItemInfo(KFileItem)));
  93     connect(m_view, SIGNAL(urlChanged(KUrl)),
  94             this, SLOT(slotUrlChanged(KUrl)));
  95     connect(m_view, SIGNAL(modeChanged()),
  96             this, SIGNAL(viewModeChanged())); // relay signal
  97
  98     m_actionHandler = new DolphinViewActionHandler(actionCollection(), this);
  99     m_actionHandler->setCurrentView(m_view);
 100
 101     QClipboard* clipboard = QApplication::clipboard();
 102     connect(clipboard, SIGNAL(dataChanged()),
 103             this, SLOT(updatePasteAction()));
 104
 105     createActions();
 106     m_actionHandler->updateViewActions();
 107     slotSelectionChanged(KFileItemList()); // initially disable selection-dependent actions
 108
 109     // TODO sort_by_* actions
 110
 111     // TODO there was a "always open a new window" (when clicking on a directory) setting in konqueror
 112     // (sort of spacial navigation)
 113 }
 114
 115 DolphinPart::~DolphinPart()
 116 {
 117     delete m_dirLister;
 118 }
 119
 120 void DolphinPart::createActions()
 121 {
 122     KAction *editMimeTypeAction = actionCollection()->addAction( "editMimeType" );
 123     editMimeTypeAction->setText( i18nc("@action:inmenu Edit", "&Edit File Type..." ) );
 124     connect(editMimeTypeAction, SIGNAL(triggered()), SLOT(slotEditMimeType()));
 125
 126     KAction *propertiesAction = actionCollection()->addAction( "properties" );
 127     propertiesAction->setText( i18nc("@action:inmenu Edit", "Properties") );
 128     propertiesAction->setShortcut(Qt::ALT+Qt::Key_Return);
 129     connect(propertiesAction, SIGNAL(triggered()), SLOT(slotProperties()));
 130
 131     // View menu: all done by DolphinViewActionHandler
 132
 133     // Go menu
 134
 135     QActionGroup* goActionGroup = new QActionGroup(this);
 136     connect(goActionGroup, SIGNAL(triggered(QAction*)),
 137             this, SLOT(slotGoTriggered(QAction*)));
 138
 139     createGoAction("go_applications", "start-here-kde",
 140                    i18nc("@action:inmenu Go", "App&lications"), QString("programs:/"),
 141                    goActionGroup);
 142     createGoAction("go_network_folders", "folder-remote",
 143                    i18nc("@action:inmenu Go", "&Network Folders"), QString("remote:/"),
 144                    goActionGroup);
 145     createGoAction("go_settings", "preferences-system",
 146                    i18nc("@action:inmenu Go", "Sett&ings"), QString("settings:/"),
 147                    goActionGroup);
 148     createGoAction("go_trash", "user-trash",
 149                    i18nc("@action:inmenu Go", "Trash"), QString("trash:/"),
 150                    goActionGroup);
 151     createGoAction("go_autostart", "",
 152                    i18nc("@action:inmenu Go", "Autostart"), KGlobalSettings::autostartPath(),
 153                    goActionGroup);
 154 }
 155
 156 void DolphinPart::createGoAction(const char* name, const char* iconName,
 157                                  const QString& text, const QString& url,
 158                                  QActionGroup* actionGroup)
 159 {
 160     KAction* action = actionCollection()->addAction(name);
 161     action->setIcon(KIcon(iconName));
 162     action->setText(text);
 163     action->setData(url);
 164     action->setActionGroup(actionGroup);
 165 }
 166
 167 void DolphinPart::slotGoTriggered(QAction* action)
 168 {
 169     const QString url = action->data().toString();
 170     emit m_extension->openUrlRequest(KUrl(url));
 171 }
 172
 173 void DolphinPart::slotSelectionChanged(const KFileItemList& selection)
 174 {
 175     const bool hasSelection = !selection.isEmpty();
 176     if (!hasSelection) {
 177         stateChanged("has_no_selection");
 178     } else {
 179         stateChanged("has_selection");
 180     }
 181
 182     QStringList actions;
 183     actions << "rename" << "move_to_trash" << "delete" << "editMimeType" << "properties";
 184     foreach(const QString& actionName, actions) {
 185         QAction* action = actionCollection()->action(actionName);
 186         Q_ASSERT(action);
 187         if (action) {
 188             action->setEnabled(hasSelection);
 189         }
 190     }
 191
 192     emit m_extension->enableAction("cut", hasSelection);
 193     emit m_extension->enableAction("copy", hasSelection);
 194 }
 195
 196 void DolphinPart::updatePasteAction()
 197 {
 198     QPair<bool, QString> pasteInfo = m_view->pasteInfo();
 199     emit m_extension->enableAction( "paste", pasteInfo.first );
 200     emit m_extension->setActionText( "paste", pasteInfo.second );
 201 }
 202
 203 KAboutData* DolphinPart::createAboutData()
 204 {
 205     return new KAboutData("dolphinpart", "dolphin", ki18nc("@title", "Dolphin Part"), "0.1");
 206 }
 207
 208 bool DolphinPart::openUrl(const KUrl& url)
 209 {
 210     const bool reload = arguments().reload();
 211     if (m_view->url() == url && !reload) { // DolphinView won't do anything in that case, so don't emit started
 212         return true;
 213     }
 214     setUrl(url); // remember it at the KParts level
 215     const QString prettyUrl = url.pathOrUrl();
 216     emit setWindowCaption(prettyUrl);
 217     emit m_extension->setLocationBarUrl(prettyUrl);
 218     emit started(0); // get the wheel to spin
 219     m_view->setUrl(url);
 220     if (reload)
 221         m_view->reload();
 222     return true;
 223 }
 224
 225 void DolphinPart::slotCompleted(const KUrl& url)
 226 {
 227     Q_UNUSED(url)
 228     emit completed();
 229 }
 230
 231 void DolphinPart::slotCanceled(const KUrl& url)
 232 {
 233     slotCompleted(url);
 234 }
 235
 236 void DolphinPart::slotInfoMessage(const QString& msg)
 237 {
 238     emit setStatusBarText(msg);
 239 }
 240
 241 void DolphinPart::slotErrorMessage(const QString& msg)
 242 {
 243     KMessageBox::error(m_view, msg);
 244 }
 245
 246 void DolphinPart::slotRequestItemInfo(const KFileItem& item)
 247 {
 248     emit m_extension->mouseOverInfo(item);
 249 }
 250
 251 void DolphinPart::slotItemTriggered(const KFileItem& item)
 252 {
 253     KParts::OpenUrlArguments args;
 254     args.setMimeType(item.mimetype());
 255
 256     // Ideally, konqueror should be changed to not require trustedSource for directory views,
 257     // since the idea was not to need BrowserArguments for non-browser stuff...
 258     KParts::BrowserArguments browserArgs;
 259     browserArgs.trustedSource = true;
 260
 261     // MMB click support.
 262     // TODO: this doesn't work, mouseButtons() is always 0.
 263     // Issue N176832 for the missing QAIV signal; task 177399
 264     kDebug() << QApplication::mouseButtons();
 265     if (QApplication::mouseButtons() & Qt::MidButton) {
 266         kDebug() << "MMB!!" << item.mimetype();
 267         if (item.mimeTypePtr()->is("inode/directory")) {
 268             emit m_extension->createNewWindow(item.url(), args);
 269         } else {
 270             kDebug() << "run()";
 271             item.run();
 272         }
 273     } else {
 274         // Left button. [Right button goes to slotOpenContextMenu before triggered can be emitted]
 275         kDebug() << "LMB";
 276         emit m_extension->openUrlRequest(item.url(), args, browserArgs);
 277     }
 278 }
 279
 280 void DolphinPart::slotOpenContextMenu(const KFileItem& _item, const KUrl&)
 281 {
 282     KParts::BrowserExtension::PopupFlags popupFlags = KParts::BrowserExtension::DefaultPopupItems
 283                                                       | KParts::BrowserExtension::ShowProperties
 284                                                       | KParts::BrowserExtension::ShowUrlOperations;
 285     // TODO KonqKfmIconView had if ( !rootItem->isWritable() )
 286     //            popupFlags |= KParts::BrowserExtension::NoDeletion;
 287
 288     KFileItem item(_item);
 289
 290     if (item.isNull()) { // viewport context menu
 291         popupFlags |= KParts::BrowserExtension::ShowNavigationItems | KParts::BrowserExtension::ShowUp;
 292         // TODO get m_dirLister->rootItem if possible. or via kdirmodel?
 293         // and use this as fallback:
 294         item = KFileItem( S_IFDIR, (mode_t)-1, url() );
 295     }
 296
 297     KParts::BrowserExtension::ActionGroupMap actionGroups;
 298     QList<QAction *> editActions;
 299
 300     if (!item.isNull()) { // only for context menu on one or more items
 301         // TODO if ( sMoving )
 302         editActions.append(actionCollection()->action("rename"));
 303
 304         bool addTrash = false;
 305         bool addDel = false;
 306
 307         // TODO if ( sMoving && !isIntoTrash && !isTrashLink )
 308         addTrash = true;
 309
 310         /* TODO if ( sDeleting ) */ {
 311             if ( !item.isLocalFile() )
 312                 addDel = true;
 313             else if (QApplication::keyboardModifiers() & Qt::ShiftModifier) {
 314                 addTrash = false;
 315                 addDel = true;
 316             }
 317             else {
 318                 KConfigGroup configGroup( KGlobal::config(), "KDE" );
 319                 if ( configGroup.readEntry( "ShowDeleteCommand", false) )
 320                     addDel = true;
 321             }
 322         }
 323
 324         if (addTrash)
 325             editActions.append(actionCollection()->action("move_to_trash"));
 326         if (addDel)
 327             editActions.append(actionCollection()->action("delete"));
 328         actionGroups.insert("editactions", editActions);
 329
 330         KFileItemList items; items.append(item);
 331         emit m_extension->popupMenu(QCursor::pos(),
 332                                     items,
 333                                     KParts::OpenUrlArguments(),
 334                                     KParts::BrowserArguments(),
 335                                     popupFlags,
 336                                     actionGroups);
 337     }
 338 }
 339
 340 void DolphinPart::slotUrlChanged(const KUrl& url)
 341 {
 342     if (m_view->url() != url) {
 343         // If the view URL is not equal to 'url', then an inner URL change has
 344         // been done (e. g. by activating an existing column in the column view).
 345         openUrl(url);
 346         emit m_extension->openUrlNotify();
 347     }
 348 }
 349
 350 ////
 351
 352 void DolphinPartBrowserExtension::cut()
 353 {
 354     m_part->view()->cutSelectedItems();
 355 }
 356
 357 void DolphinPartBrowserExtension::copy()
 358 {
 359     m_part->view()->copySelectedItems();
 360 }
 361
 362 void DolphinPartBrowserExtension::paste()
 363 {
 364     m_part->view()->paste();
 365 }
 366
 367 ////
 368
 369 void DolphinPart::slotEditMimeType()
 370 {
 371     const KFileItemList items = m_view->selectedItems();
 372     if (!items.isEmpty()) {
 373         KonqOperations::editMimeType(items.first().mimetype(), m_view);
 374     }
 375 }
 376
 377 void DolphinPart::slotProperties()
 378 {
 379     const KFileItemList items = m_view->selectedItems();
 380     if (!items.isEmpty()) {
 381         KPropertiesDialog dialog(items.first().url(), m_view);
 382         dialog.exec();
 383     }
 384 }
 385
 386 void DolphinPart::setCurrentViewMode(const QString& viewModeName)
 387 {
 388     QAction* action = actionCollection()->action(viewModeName);
 389     Q_ASSERT(action);
 390     action->trigger();
 391 }
 392
 393 QString DolphinPart::currentViewMode() const
 394 {
 395     return m_actionHandler->currentViewModeActionName();
 396 }
 397
 398 #include "dolphinpart.moc"