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 <kaboutdata.h>
  29 #include <kactioncollection.h>
  30 #include <kconfiggroup.h>
  31 #include <kdebug.h>
  32 #include <kdirlister.h>
  33 #include <kglobalsettings.h>
  34 #include <kiconloader.h>
  35 #include <klocale.h>
  36 #include <kmessagebox.h>
  37 #include <kpluginfactory.h>
  38 #include <kpropertiesdialog.h>
  39 #include <ktoggleaction.h>
  40
  41 #include <QActionGroup>
  42 #include <QApplication>
  43 #include <QClipboard>
  44
  45 K_PLUGIN_FACTORY(DolphinPartFactory, registerPlugin<DolphinPart>();)
  46 K_EXPORT_PLUGIN(DolphinPartFactory("dolphin"))
  47
  48 DolphinPart::DolphinPart(QWidget* parentWidget, QObject* parent, const QVariantList& args)
  49     : KParts::ReadOnlyPart(parent)
  50 {
  51     Q_UNUSED(args)
  52     setComponentData(DolphinPartFactory::componentData(), false);
  53     m_extension = new DolphinPartBrowserExtension(this);
  54
  55     // make sure that other apps using this part find Dolphin's view-file-columns icons
  56     KIconLoader::global()->addAppDir("dolphin");
  57
  58     m_dirLister = new KDirLister;
  59     m_dirLister->setAutoUpdate(true);
  60     m_dirLister->setMainWindow(parentWidget->window());
  61     m_dirLister->setDelayedMimeTypes(true);
  62
  63     //connect(m_dirLister, SIGNAL(started(KUrl)), this, SLOT(slotStarted()));
  64     connect(m_dirLister, SIGNAL(completed(KUrl)), this, SLOT(slotCompleted(KUrl)));
  65     connect(m_dirLister, SIGNAL(canceled(KUrl)), this, SLOT(slotCanceled(KUrl)));
  66
  67     m_dolphinModel = new DolphinModel(this);
  68     m_dolphinModel->setDirLister(m_dirLister);
  69
  70     m_proxyModel = new DolphinSortFilterProxyModel(this);
  71     m_proxyModel->setSourceModel(m_dolphinModel);
  72
  73     m_view = new DolphinView(parentWidget,
  74                              KUrl(),
  75                              m_dirLister,
  76                              m_dolphinModel,
  77                              m_proxyModel);
  78     setWidget(m_view);
  79
  80     setXMLFile("dolphinpart.rc");
  81
  82     connect(m_view, SIGNAL(infoMessage(QString)),
  83             this, SLOT(slotInfoMessage(QString)));
  84     connect(m_view, SIGNAL(errorMessage(QString)),
  85             this, SLOT(slotErrorMessage(QString)));
  86     connect(m_view, SIGNAL(itemTriggered(KFileItem)),
  87             this, SLOT(slotItemTriggered(KFileItem)));
  88     connect(m_view, SIGNAL(tabRequested(KUrl)),
  89             this, SLOT(createNewWindow(KUrl)));
  90     connect(m_view, SIGNAL(requestContextMenu(KFileItem,KUrl)),
  91             this, SLOT(slotOpenContextMenu(KFileItem,KUrl)));
  92     connect(m_view, SIGNAL(selectionChanged(KFileItemList)),
  93             m_extension, SIGNAL(selectionInfo(KFileItemList)));
  94     connect(m_view, SIGNAL(selectionChanged(KFileItemList)),
  95             this, SLOT(slotSelectionChanged(KFileItemList)));
  96     connect(m_view, SIGNAL(requestItemInfo(KFileItem)),
  97             this, SLOT(slotRequestItemInfo(KFileItem)));
  98     connect(m_view, SIGNAL(urlChanged(KUrl)),
  99             this, SLOT(slotUrlChanged(KUrl)));
 100     connect(m_view, SIGNAL(modeChanged()),
 101             this, SIGNAL(viewModeChanged())); // relay signal
 102
 103     m_actionHandler = new DolphinViewActionHandler(actionCollection(), this);
 104     m_actionHandler->setCurrentView(m_view);
 105
 106     QClipboard* clipboard = QApplication::clipboard();
 107     connect(clipboard, SIGNAL(dataChanged()),
 108             this, SLOT(updatePasteAction()));
 109
 110     createActions();
 111     m_actionHandler->updateViewActions();
 112     slotSelectionChanged(KFileItemList()); // initially disable selection-dependent actions
 113
 114     // TODO sort_by_* actions
 115
 116     // TODO there was a "always open a new window" (when clicking on a directory) setting in konqueror
 117     // (sort of spacial navigation)
 118
 119     loadPlugins(this, this, componentData());
 120 }
 121
 122 DolphinPart::~DolphinPart()
 123 {
 124     delete m_dirLister;
 125 }
 126
 127 void DolphinPart::createActions()
 128 {
 129     KAction *editMimeTypeAction = actionCollection()->addAction( "editMimeType" );
 130     editMimeTypeAction->setText( i18nc("@action:inmenu Edit", "&Edit File Type..." ) );
 131     connect(editMimeTypeAction, SIGNAL(triggered()), SLOT(slotEditMimeType()));
 132
 133     KAction *propertiesAction = actionCollection()->addAction( "properties" );
 134     propertiesAction->setText( i18nc("@action:inmenu Edit", "Properties") );
 135     propertiesAction->setShortcut(Qt::ALT+Qt::Key_Return);
 136     connect(propertiesAction, SIGNAL(triggered()), SLOT(slotProperties()));
 137
 138     // View menu: all done by DolphinViewActionHandler
 139
 140     // Go menu
 141
 142     QActionGroup* goActionGroup = new QActionGroup(this);
 143     connect(goActionGroup, SIGNAL(triggered(QAction*)),
 144             this, SLOT(slotGoTriggered(QAction*)));
 145
 146     createGoAction("go_applications", "start-here-kde",
 147                    i18nc("@action:inmenu Go", "App&lications"), QString("programs:/"),
 148                    goActionGroup);
 149     createGoAction("go_network_folders", "folder-remote",
 150                    i18nc("@action:inmenu Go", "&Network Folders"), QString("remote:/"),
 151                    goActionGroup);
 152     createGoAction("go_settings", "preferences-system",
 153                    i18nc("@action:inmenu Go", "Sett&ings"), QString("settings:/"),
 154                    goActionGroup);
 155     createGoAction("go_trash", "user-trash",
 156                    i18nc("@action:inmenu Go", "Trash"), QString("trash:/"),
 157                    goActionGroup);
 158     createGoAction("go_autostart", "",
 159                    i18nc("@action:inmenu Go", "Autostart"), KGlobalSettings::autostartPath(),
 160                    goActionGroup);
 161 }
 162
 163 void DolphinPart::createGoAction(const char* name, const char* iconName,
 164                                  const QString& text, const QString& url,
 165                                  QActionGroup* actionGroup)
 166 {
 167     KAction* action = actionCollection()->addAction(name);
 168     action->setIcon(KIcon(iconName));
 169     action->setText(text);
 170     action->setData(url);
 171     action->setActionGroup(actionGroup);
 172 }
 173
 174 void DolphinPart::slotGoTriggered(QAction* action)
 175 {
 176     const QString url = action->data().toString();
 177     emit m_extension->openUrlRequest(KUrl(url));
 178 }
 179
 180 void DolphinPart::slotSelectionChanged(const KFileItemList& selection)
 181 {
 182     const bool hasSelection = !selection.isEmpty();
 183     if (!hasSelection) {
 184         stateChanged("has_no_selection");
 185     } else {
 186         stateChanged("has_selection");
 187     }
 188
 189     QStringList actions;
 190     actions << "rename" << "move_to_trash" << "delete" << "editMimeType" << "properties";
 191     foreach(const QString& actionName, actions) {
 192         QAction* action = actionCollection()->action(actionName);
 193         Q_ASSERT(action);
 194         if (action) {
 195             action->setEnabled(hasSelection);
 196         }
 197     }
 198
 199     emit m_extension->enableAction("cut", hasSelection);
 200     emit m_extension->enableAction("copy", hasSelection);
 201 }
 202
 203 void DolphinPart::updatePasteAction()
 204 {
 205     QPair<bool, QString> pasteInfo = m_view->pasteInfo();
 206     emit m_extension->enableAction( "paste", pasteInfo.first );
 207     emit m_extension->setActionText( "paste", pasteInfo.second );
 208 }
 209
 210 KAboutData* DolphinPart::createAboutData()
 211 {
 212     return new KAboutData("dolphinpart", "dolphin", ki18nc("@title", "Dolphin Part"), "0.1");
 213 }
 214
 215 bool DolphinPart::openUrl(const KUrl& url)
 216 {
 217     const bool reload = arguments().reload();
 218     if (m_view->url() == url && !reload) { // DolphinView won't do anything in that case, so don't emit started
 219         return true;
 220     }
 221     setUrl(url); // remember it at the KParts level
 222     const QString prettyUrl = url.pathOrUrl();
 223     emit setWindowCaption(prettyUrl);
 224     emit m_extension->setLocationBarUrl(prettyUrl);
 225     emit started(0); // get the wheel to spin
 226     m_view->setUrl(url);
 227     emit aboutToOpenURL();
 228     if (reload)
 229         m_view->reload();
 230     return true;
 231 }
 232
 233 void DolphinPart::slotCompleted(const KUrl& url)
 234 {
 235     Q_UNUSED(url)
 236     emit completed();
 237 }
 238
 239 void DolphinPart::slotCanceled(const KUrl& url)
 240 {
 241     slotCompleted(url);
 242 }
 243
 244 void DolphinPart::slotInfoMessage(const QString& msg)
 245 {
 246     emit setStatusBarText(msg);
 247 }
 248
 249 void DolphinPart::slotErrorMessage(const QString& msg)
 250 {
 251     KMessageBox::error(m_view, msg);
 252 }
 253
 254 void DolphinPart::slotRequestItemInfo(const KFileItem& item)
 255 {
 256     emit m_extension->mouseOverInfo(item);
 257 }
 258
 259 void DolphinPart::slotItemTriggered(const KFileItem& item)
 260 {
 261     KParts::OpenUrlArguments args;
 262     args.setMimeType(item.mimetype());
 263
 264     // Ideally, konqueror should be changed to not require trustedSource for directory views,
 265     // since the idea was not to need BrowserArguments for non-browser stuff...
 266     KParts::BrowserArguments browserArgs;
 267     browserArgs.trustedSource = true;
 268     emit m_extension->openUrlRequest(item.targetUrl(), args, browserArgs);
 269 }
 270
 271 void DolphinPart::createNewWindow(const KUrl& url)
 272 {
 273     // TODO: Check issue N176832 for the missing QAIV signal; task 177399 - maybe this code
 274     // should be moved into DolphinPart::slotItemTriggered()
 275     KFileItem item(S_IFDIR, (mode_t)-1, url);
 276     Q_ASSERT(item.mimeTypePtr()->is("inode/directory"));  // the signal 'tabRequested' is only emitted for dirs
 277     KParts::OpenUrlArguments args;
 278     args.setMimeType(item.mimetype());
 279     emit m_extension->createNewWindow(url, args);
 280 }
 281
 282 void DolphinPart::slotOpenContextMenu(const KFileItem& _item, const KUrl&)
 283 {
 284     KParts::BrowserExtension::PopupFlags popupFlags = KParts::BrowserExtension::DefaultPopupItems
 285                                                       | KParts::BrowserExtension::ShowProperties
 286                                                       | KParts::BrowserExtension::ShowUrlOperations;
 287     // TODO KonqKfmIconView had if ( !rootItem->isWritable() )
 288     //            popupFlags |= KParts::BrowserExtension::NoDeletion;
 289
 290     KFileItem item(_item);
 291
 292     if (item.isNull()) { // viewport context menu
 293         popupFlags |= KParts::BrowserExtension::ShowNavigationItems | KParts::BrowserExtension::ShowUp;
 294         // TODO get m_dirLister->rootItem if possible. or via kdirmodel?
 295         // and use this as fallback:
 296         item = KFileItem( S_IFDIR, (mode_t)-1, url() );
 297     }
 298
 299     KParts::BrowserExtension::ActionGroupMap actionGroups;
 300     QList<QAction *> editActions;
 301
 302     if (!_item.isNull()) { // only for context menu on one or more items
 303         // TODO if ( sMoving )
 304         editActions.append(actionCollection()->action("rename"));
 305
 306         bool addTrash = false;
 307         bool addDel = false;
 308
 309         bool isIntoTrash = _item.url().protocol() == "trash";
 310
 311         if ( /*TODO sMoving &&*/ !isIntoTrash )
 312             addTrash = true;
 313
 314         /* TODO if ( sDeleting ) */ {
 315             if ( !item.isLocalFile() )
 316                 addDel = true;
 317             else if (QApplication::keyboardModifiers() & Qt::ShiftModifier) {
 318                 addTrash = false;
 319                 addDel = true;
 320             }
 321             else {
 322                 KConfigGroup configGroup( KGlobal::config(), "KDE" );
 323                 if ( configGroup.readEntry( "ShowDeleteCommand", false) )
 324                     addDel = true;
 325             }
 326         }
 327
 328         if (addTrash)
 329             editActions.append(actionCollection()->action("move_to_trash"));
 330         if (addDel)
 331             editActions.append(actionCollection()->action("delete"));
 332         actionGroups.insert("editactions", editActions);
 333     }
 334
 335     // TODO: We should change the signature of the slots (and signals) for being able
 336     //       to tell for which items we want a popup.
 337     KFileItemList items = (m_view->selectedItems().count() ? m_view->selectedItems()
 338                            : KFileItemList() << item);
 339     emit m_extension->popupMenu(QCursor::pos(),
 340                                 items,
 341                                 KParts::OpenUrlArguments(),
 342                                 KParts::BrowserArguments(),
 343                                 popupFlags,
 344                                 actionGroups);
 345 }
 346
 347 void DolphinPart::slotUrlChanged(const KUrl& url)
 348 {
 349     if (m_view->url() != url) {
 350         // If the view URL is not equal to 'url', then an inner URL change has
 351         // been done (e. g. by activating an existing column in the column view).
 352         openUrl(url);
 353         emit m_extension->openUrlNotify();
 354     }
 355 }
 356
 357 ////
 358
 359 void DolphinPartBrowserExtension::cut()
 360 {
 361     m_part->view()->cutSelectedItems();
 362 }
 363
 364 void DolphinPartBrowserExtension::copy()
 365 {
 366     m_part->view()->copySelectedItems();
 367 }
 368
 369 void DolphinPartBrowserExtension::paste()
 370 {
 371     m_part->view()->paste();
 372 }
 373
 374 void DolphinPartBrowserExtension::reparseConfiguration()
 375 {
 376     m_part->view()->refresh();
 377 }
 378
 379 ////
 380
 381 void DolphinPart::slotEditMimeType()
 382 {
 383     const KFileItemList items = m_view->selectedItems();
 384     if (!items.isEmpty()) {
 385         KonqOperations::editMimeType(items.first().mimetype(), m_view);
 386     }
 387 }
 388
 389 void DolphinPart::slotProperties()
 390 {
 391     const KFileItemList items = m_view->selectedItems();
 392     if (!items.isEmpty()) {
 393         KPropertiesDialog dialog(items.first().url(), m_view);
 394         dialog.exec();
 395     }
 396 }
 397
 398 void DolphinPart::setCurrentViewMode(const QString& viewModeName)
 399 {
 400     QAction* action = actionCollection()->action(viewModeName);
 401     Q_ASSERT(action);
 402     action->trigger();
 403 }
 404
 405 QString DolphinPart::currentViewMode() const
 406 {
 407     return m_actionHandler->currentViewModeActionName();
 408 }
 409
 410 #include "dolphinpart.moc"