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                              actionCollection());
  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, SLOT(updateViewActions()));
  97
  98     QClipboard* clipboard = QApplication::clipboard();
  99     connect(clipboard, SIGNAL(dataChanged()),
 100             this, SLOT(updatePasteAction()));
 101
 102     createActions();
 103     updateViewActions();
 104     slotSelectionChanged(KFileItemList()); // initially disable selection-dependent actions
 105
 106     // TODO provide the viewmode actions in the menu, merged with the existing view-mode-actions somehow
 107     // [Q_PROPERTY introspection?]
 108
 109     // TODO sort_by_* actions
 110     // TODO show_*_info actions
 111
 112     // TODO there was a "always open a new window" (when clicking on a directory) setting in konqueror
 113     // (sort of spacial navigation)
 114 }
 115
 116 DolphinPart::~DolphinPart()
 117 {
 118     delete m_dirLister;
 119 }
 120
 121 void DolphinPart::createActions()
 122 {
 123     QActionGroup* viewModeActions = new QActionGroup(this);
 124     viewModeActions->addAction(DolphinView::iconsModeAction(actionCollection()));
 125     viewModeActions->addAction(DolphinView::detailsModeAction(actionCollection()));
 126     viewModeActions->addAction(DolphinView::columnsModeAction(actionCollection()));
 127     connect(viewModeActions, SIGNAL(triggered(QAction*)), this, SLOT(slotViewModeActionTriggered(QAction*)));
 128
 129     KAction* renameAction = DolphinView::createRenameAction(actionCollection());
 130     connect(renameAction, SIGNAL(triggered()), m_view, SLOT(renameSelectedItems()));
 131
 132     KAction* moveToTrashAction = DolphinView::createMoveToTrashAction(actionCollection());
 133     connect(moveToTrashAction, SIGNAL(triggered(Qt::MouseButtons, Qt::KeyboardModifiers)),
 134             this, SLOT(slotTrashActivated(Qt::MouseButtons, Qt::KeyboardModifiers)));
 135
 136     KAction* deleteAction = DolphinView::createDeleteAction(actionCollection());
 137     connect(deleteAction, SIGNAL(triggered()), m_view, SLOT(deleteSelectedItems()));
 138
 139     KAction *editMimeTypeAction = actionCollection()->addAction( "editMimeType" );
 140     editMimeTypeAction->setText( i18nc("@action:inmenu Edit", "&Edit File Type..." ) );
 141     connect(editMimeTypeAction, SIGNAL(triggered()), SLOT(slotEditMimeType()));
 142
 143     KAction *propertiesAction = actionCollection()->addAction( "properties" );
 144     propertiesAction->setText( i18nc("@action:inmenu Edit", "Properties") );
 145     propertiesAction->setShortcut(Qt::ALT+Qt::Key_Return);
 146     connect(propertiesAction, SIGNAL(triggered()), SLOT(slotProperties()));
 147
 148     // Go menu
 149
 150     QActionGroup* goActionGroup = new QActionGroup(this);
 151     connect(goActionGroup, SIGNAL(triggered(QAction*)),
 152             this, SLOT(slotGoTriggered(QAction*)));
 153
 154     createGoAction("go_applications", "start-here-kde",
 155                    i18nc("@action:inmenu Go", "App&lications"), QString("programs:/"),
 156                    goActionGroup);
 157     createGoAction("go_network_folders", "folder-remote",
 158                    i18nc("@action:inmenu Go", "&Network Folders"), QString("remote:/"),
 159                    goActionGroup);
 160     createGoAction("go_settings", "preferences-system",
 161                    i18nc("@action:inmenu Go", "Sett&ings"), QString("settings:/"),
 162                    goActionGroup);
 163     createGoAction("go_trash", "user-trash",
 164                    i18nc("@action:inmenu Go", "Trash"), QString("trash:/"),
 165                    goActionGroup);
 166     createGoAction("go_autostart", "",
 167                    i18nc("@action:inmenu Go", "Autostart"), KGlobalSettings::autostartPath(),
 168                    goActionGroup);
 169 }
 170
 171 void DolphinPart::createGoAction(const char* name, const char* iconName,
 172                                  const QString& text, const QString& url,
 173                                  QActionGroup* actionGroup)
 174 {
 175     KAction* action = actionCollection()->addAction(name);
 176     action->setIcon(KIcon(iconName));
 177     action->setText(text);
 178     action->setData(url);
 179     action->setActionGroup(actionGroup);
 180 }
 181
 182 void DolphinPart::slotGoTriggered(QAction* action)
 183 {
 184     const QString url = action->data().toString();
 185     emit m_extension->openUrlRequest(KUrl(url));
 186 }
 187
 188 void DolphinPart::slotSelectionChanged(const KFileItemList& selection)
 189 {
 190     const bool hasSelection = !selection.isEmpty();
 191     if (!hasSelection) {
 192         stateChanged("has_no_selection");
 193     } else {
 194         stateChanged("has_selection");
 195     }
 196
 197     QStringList actions;
 198     actions << "rename" << "move_to_trash" << "delete" << "editMimeType" << "properties";
 199     foreach(const QString& actionName, actions) {
 200         QAction* action = actionCollection()->action(actionName);
 201         Q_ASSERT(action);
 202         if (action) {
 203             action->setEnabled(hasSelection);
 204         }
 205     }
 206
 207     emit m_extension->enableAction("cut", hasSelection);
 208     emit m_extension->enableAction("copy", hasSelection);
 209 }
 210
 211 void DolphinPart::updatePasteAction()
 212 {
 213     QPair<bool, QString> pasteInfo = m_view->pasteInfo();
 214     emit m_extension->enableAction( "paste", pasteInfo.first );
 215     emit m_extension->setActionText( "paste", pasteInfo.second );
 216 }
 217
 218 void DolphinPart::updateViewActions()
 219 {
 220     QAction* action = actionCollection()->action(m_view->currentViewModeActionName());
 221     if (action != 0) {
 222         KToggleAction* toggleAction = static_cast<KToggleAction*>(action);
 223         toggleAction->setChecked(true);
 224     }
 225 }
 226
 227 KAboutData* DolphinPart::createAboutData()
 228 {
 229     return new KAboutData("dolphinpart", "dolphin", ki18nc("@title", "Dolphin Part"), "0.1");
 230 }
 231
 232 bool DolphinPart::openUrl(const KUrl& url)
 233 {
 234     const bool reload = arguments().reload();
 235     if (m_view->url() == url && !reload) { // DolphinView won't do anything in that case, so don't emit started
 236         return true;
 237     }
 238     setUrl(url); // remember it at the KParts level
 239     const QString prettyUrl = url.pathOrUrl();
 240     emit setWindowCaption(prettyUrl);
 241     emit m_extension->setLocationBarUrl(prettyUrl);
 242     emit started(0); // get the wheel to spin
 243     m_view->setUrl(url);
 244     if (reload)
 245         m_view->reload();
 246     return true;
 247 }
 248
 249 void DolphinPart::slotCompleted(const KUrl& url)
 250 {
 251     Q_UNUSED(url)
 252     emit completed();
 253 }
 254
 255 void DolphinPart::slotCanceled(const KUrl& url)
 256 {
 257     slotCompleted(url);
 258 }
 259
 260 void DolphinPart::slotInfoMessage(const QString& msg)
 261 {
 262     emit setStatusBarText(msg);
 263 }
 264
 265 void DolphinPart::slotErrorMessage(const QString& msg)
 266 {
 267     KMessageBox::error(m_view, msg);
 268 }
 269
 270 void DolphinPart::slotRequestItemInfo(const KFileItem& item)
 271 {
 272     emit m_extension->mouseOverInfo(item);
 273 }
 274
 275 void DolphinPart::slotItemTriggered(const KFileItem& item)
 276 {
 277     KParts::OpenUrlArguments args;
 278     args.setMimeType(item.mimetype());
 279
 280     // Ideally, konqueror should be changed to not require trustedSource for directory views,
 281     // since the idea was not to need BrowserArguments for non-browser stuff...
 282     KParts::BrowserArguments browserArgs;
 283     browserArgs.trustedSource = true;
 284
 285     // MMB click support.
 286     // TODO: this doesn't work, mouseButtons() is always 0.
 287     // Issue N176832 for the missing QAIV signal; task 177399
 288     kDebug() << QApplication::mouseButtons();
 289     if (QApplication::mouseButtons() & Qt::MidButton) {
 290         kDebug() << "MMB!!" << item.mimetype();
 291         if (item.mimeTypePtr()->is("inode/directory")) {
 292             emit m_extension->createNewWindow(item.url(), args);
 293         } else {
 294             kDebug() << "run()";
 295             item.run();
 296         }
 297     } else {
 298         // Left button. [Right button goes to slotOpenContextMenu before triggered can be emitted]
 299         kDebug() << "LMB";
 300         emit m_extension->openUrlRequest(item.url(), args, browserArgs);
 301     }
 302 }
 303
 304 void DolphinPart::slotOpenContextMenu(const KFileItem& _item, const KUrl&)
 305 {
 306     KParts::BrowserExtension::PopupFlags popupFlags = KParts::BrowserExtension::DefaultPopupItems
 307                                                       | KParts::BrowserExtension::ShowProperties
 308                                                       | KParts::BrowserExtension::ShowUrlOperations;
 309     // TODO KonqKfmIconView had if ( !rootItem->isWritable() )
 310     //            popupFlags |= KParts::BrowserExtension::NoDeletion;
 311
 312     KFileItem item(_item);
 313
 314     if (item.isNull()) { // viewport context menu
 315         popupFlags |= KParts::BrowserExtension::ShowNavigationItems | KParts::BrowserExtension::ShowUp;
 316         // TODO get m_dirLister->rootItem if possible. or via kdirmodel?
 317         // and use this as fallback:
 318         item = KFileItem( S_IFDIR, (mode_t)-1, url() );
 319     }
 320
 321     KParts::BrowserExtension::ActionGroupMap actionGroups;
 322     QList<QAction *> editActions;
 323
 324     if (!item.isNull()) { // only for context menu on one or more items
 325         // TODO if ( sMoving )
 326         editActions.append(actionCollection()->action("rename"));
 327
 328         bool addTrash = false;
 329         bool addDel = false;
 330
 331         // TODO if ( sMoving && !isIntoTrash && !isTrashLink )
 332         addTrash = true;
 333
 334         /* TODO if ( sDeleting ) */ {
 335             if ( !item.isLocalFile() )
 336                 addDel = true;
 337             else if (QApplication::keyboardModifiers() & Qt::ShiftModifier) {
 338                 addTrash = false;
 339                 addDel = true;
 340             }
 341             else {
 342                 KConfigGroup configGroup( KGlobal::config(), "KDE" );
 343                 if ( configGroup.readEntry( "ShowDeleteCommand", false) )
 344                     addDel = true;
 345             }
 346         }
 347
 348         if (addTrash)
 349             editActions.append(actionCollection()->action("move_to_trash"));
 350         if (addDel)
 351             editActions.append(actionCollection()->action("delete"));
 352         actionGroups.insert("editactions", editActions);
 353
 354         KFileItemList items; items.append(item);
 355         emit m_extension->popupMenu(QCursor::pos(),
 356                                     items,
 357                                     KParts::OpenUrlArguments(),
 358                                     KParts::BrowserArguments(),
 359                                     popupFlags,
 360                                     actionGroups);
 361     }
 362 }
 363
 364 void DolphinPart::slotViewModeActionTriggered(QAction* action)
 365 {
 366     const DolphinView::Mode mode = action->data().value<DolphinView::Mode>();
 367     m_view->setMode(mode);
 368 }
 369
 370 void DolphinPart::slotUrlChanged(const KUrl& url)
 371 {
 372     if (m_view->url() != url) {
 373         // If the view URL is not equal to 'url', then an inner URL change has
 374         // been done (e. g. by activating an existing column in the column view).
 375         openUrl(url);
 376         emit m_extension->openUrlNotify();
 377     }
 378 }
 379
 380 ////
 381
 382 void DolphinPartBrowserExtension::cut()
 383 {
 384     m_part->view()->cutSelectedItems();
 385 }
 386
 387 void DolphinPartBrowserExtension::copy()
 388 {
 389     m_part->view()->copySelectedItems();
 390 }
 391
 392 void DolphinPartBrowserExtension::paste()
 393 {
 394     m_part->view()->paste();
 395 }
 396
 397 ////
 398
 399 void DolphinPart::slotTrashActivated(Qt::MouseButtons, Qt::KeyboardModifiers modifiers)
 400 {
 401     // Note: kde3's konq_mainwindow.cpp used to check
 402     // reason == KAction::PopupMenuActivation && ...
 403     // but this isn't supported anymore
 404     if (modifiers & Qt::ShiftModifier)
 405         m_view->deleteSelectedItems();
 406     else
 407         m_view->trashSelectedItems();
 408 }
 409
 410 void DolphinPart::slotEditMimeType()
 411 {
 412     const KFileItemList items = m_view->selectedItems();
 413     if (!items.isEmpty()) {
 414         KonqOperations::editMimeType(items.first().mimetype(), m_view);
 415     }
 416 }
 417
 418 void DolphinPart::slotProperties()
 419 {
 420     const KFileItemList items = m_view->selectedItems();
 421     if (!items.isEmpty()) {
 422         KPropertiesDialog dialog(items.first().url(), m_view);
 423         dialog.exec();
 424     }
 425 }
 426
 427 #include "dolphinpart.moc"