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 <kglobalsettings.h>
  22 #include "dolphinsortfilterproxymodel.h"
  23 #include "dolphinview.h"
  24 #include "dolphinmodel.h"
  25
  26 #include <konq_operations.h>
  27
  28 #include <kactioncollection.h>
  29 #include <kdirlister.h>
  30 #include <kmessagebox.h>
  31 #include <kparts/genericfactory.h>
  32 #include <ktoggleaction.h>
  33 #include <kconfiggroup.h>
  34
  35 #include <QActionGroup>
  36 #include <QApplication>
  37 #include <QClipboard>
  38
  39 typedef KParts::GenericFactory<DolphinPart> DolphinPartFactory;
  40 K_EXPORT_COMPONENT_FACTORY(dolphinpart, DolphinPartFactory)
  41
  42 DolphinPart::DolphinPart(QWidget* parentWidget, QObject* parent, const QStringList& args)
  43     : KParts::ReadOnlyPart(parent)
  44 {
  45     Q_UNUSED(args)
  46     setComponentData( DolphinPartFactory::componentData() );
  47     m_extension = new DolphinPartBrowserExtension(this);
  48
  49     m_dirLister = new KDirLister;
  50     m_dirLister->setAutoUpdate(true);
  51     m_dirLister->setMainWindow(parentWidget->topLevelWidget());
  52     m_dirLister->setDelayedMimeTypes(true);
  53
  54     //connect(m_dirLister, SIGNAL(started(KUrl)), this, SLOT(slotStarted()));
  55     connect(m_dirLister, SIGNAL(completed(KUrl)), this, SLOT(slotCompleted(KUrl)));
  56     connect(m_dirLister, SIGNAL(canceled(KUrl)), this, SLOT(slotCanceled(KUrl)));
  57
  58     m_dolphinModel = new DolphinModel(this);
  59     m_dolphinModel->setDirLister(m_dirLister);
  60
  61     m_proxyModel = new DolphinSortFilterProxyModel(this);
  62     m_proxyModel->setSourceModel(m_dolphinModel);
  63
  64     m_view = new DolphinView(parentWidget,
  65                              KUrl(),
  66                              m_dirLister,
  67                              m_dolphinModel,
  68                              m_proxyModel);
  69     setWidget(m_view);
  70
  71     setXMLFile("dolphinpart.rc");
  72
  73     connect(m_view, SIGNAL(infoMessage(QString)),
  74             this, SLOT(slotInfoMessage(QString)));
  75     connect(m_view, SIGNAL(errorMessage(QString)),
  76             this, SLOT(slotErrorMessage(QString)));
  77     connect(m_view, SIGNAL(itemTriggered(KFileItem)),
  78             this, SLOT(slotItemTriggered(KFileItem)));
  79     connect(m_view, SIGNAL(requestContextMenu(KFileItem,KUrl)),
  80             this, SLOT(slotOpenContextMenu(KFileItem,KUrl)));
  81     connect(m_view, SIGNAL(selectionChanged(KFileItemList)),
  82             m_extension, SIGNAL(selectionInfo(KFileItemList)));
  83     connect(m_view, SIGNAL(selectionChanged(KFileItemList)),
  84             this, SLOT(slotSelectionChanged(KFileItemList)));
  85     connect(m_view, SIGNAL(requestItemInfo(KFileItem)),
  86             this, SLOT(slotRequestItemInfo(KFileItem)));
  87     connect(m_view, SIGNAL(urlChanged(KUrl)),
  88             this, SLOT(slotUrlChanged(KUrl)));
  89     connect(m_view, SIGNAL(modeChanged()),
  90             this, SLOT(updateViewActions()));
  91
  92     QClipboard* clipboard = QApplication::clipboard();
  93     connect(clipboard, SIGNAL(dataChanged()),
  94             this, SLOT(updatePasteAction()));
  95
  96     createActions();
  97     updateViewActions();
  98     slotSelectionChanged(KFileItemList()); // initially disable selection-dependent actions
  99
 100     // TODO provide the viewmode actions in the menu, merged with the existing view-mode-actions somehow
 101     // [Q_PROPERTY introspection?]
 102
 103     // TODO sort_by_* actions
 104     // TODO show_*_info actions
 105
 106     // TODO there was a "always open a new window" (when clicking on a directory) setting in konqueror
 107     // (sort of spacial navigation)
 108 }
 109
 110 DolphinPart::~DolphinPart()
 111 {
 112     delete m_dirLister;
 113 }
 114
 115 void DolphinPart::createActions()
 116 {
 117     QActionGroup* viewModeActions = new QActionGroup(this);
 118     viewModeActions->addAction(DolphinView::iconsModeAction(actionCollection()));
 119     viewModeActions->addAction(DolphinView::detailsModeAction(actionCollection()));
 120     viewModeActions->addAction(DolphinView::columnsModeAction(actionCollection()));
 121     connect(viewModeActions, SIGNAL(triggered(QAction*)), this, SLOT(slotViewModeActionTriggered(QAction*)));
 122
 123     KAction* renameAction = DolphinView::createRenameAction(actionCollection());
 124     connect(renameAction, SIGNAL(triggered()), m_view, SLOT(renameSelectedItems()));
 125
 126     KAction* moveToTrashAction = DolphinView::createMoveToTrashAction(actionCollection());
 127     connect(moveToTrashAction, SIGNAL(triggered(Qt::MouseButtons, Qt::KeyboardModifiers)),
 128             this, SLOT(slotTrashActivated(Qt::MouseButtons, Qt::KeyboardModifiers)));
 129
 130     KAction* deleteAction = DolphinView::createDeleteAction(actionCollection());
 131     connect(deleteAction, SIGNAL(triggered()), m_view, SLOT(deleteSelectedItems()));
 132
 133     KAction *editMimeTypeAction = actionCollection()->addAction( "editMimeType" );
 134     editMimeTypeAction->setText( i18n( "&Edit File Type..." ) );
 135     connect(editMimeTypeAction, SIGNAL(triggered()), SLOT(slotEditMimeType()));
 136
 137     // This action doesn't appear in the GUI, it's for the shortcut only.
 138     // KNewMenu takes care of the GUI stuff.
 139     KAction* newDirAction = actionCollection()->addAction( "create_dir" );
 140     newDirAction->setText( i18n("Create Folder..." ) );
 141     connect(newDirAction, SIGNAL(triggered()), SLOT(slotNewDir()));
 142     newDirAction->setShortcut(Qt::Key_F10);
 143     widget()->addAction(newDirAction);
 144
 145     // Go menu
 146
 147     QActionGroup* goActionGroup = new QActionGroup(this);
 148     connect(goActionGroup, SIGNAL(triggered(QAction*)),
 149             this, SLOT(slotGoTriggered(QAction*)));
 150
 151     createGoAction("go_applications", "start-here",
 152                    i18nc("@action:inmenu Go", "App&lications"), QString("programs:/"),
 153                    goActionGroup);
 154     createGoAction("go_network_folders", "drive-remote",
 155                    i18nc("@action:inmenu Go", "&Network Folders"), QString("remote:/"),
 156                    goActionGroup);
 157     createGoAction("go_settings", "preferences-system",
 158                    i18nc("@action:inmenu Go", "Sett&ings"), QString("settings:/"),
 159                    goActionGroup);
 160     createGoAction("go_trash", "user-trash",
 161                    i18nc("@action:inmenu Go", "Trash"), QString("trash:/"),
 162                    goActionGroup);
 163     createGoAction("go_autostart", "",
 164                    i18nc("@action:inmenu Go", "Autostart"), KGlobalSettings::autostartPath(),
 165                    goActionGroup);
 166 }
 167
 168 void DolphinPart::createGoAction(const char* name, const char* iconName,
 169                                  const QString& text, const QString& url,
 170                                  QActionGroup* actionGroup)
 171 {
 172     KAction* action = actionCollection()->addAction(name);
 173     action->setIcon(KIcon(iconName));
 174     action->setText(text);
 175     action->setData(url);
 176     action->setActionGroup(actionGroup);
 177 }
 178
 179 void DolphinPart::slotGoTriggered(QAction* action)
 180 {
 181     const QString url = action->data().toString();
 182     emit m_extension->openUrlRequest(KUrl(url));
 183 }
 184
 185 void DolphinPart::slotSelectionChanged(const KFileItemList& selection)
 186 {
 187     const bool hasSelection = !selection.isEmpty();
 188     if (!hasSelection) {
 189         stateChanged("has_no_selection");
 190     } else {
 191         stateChanged("has_selection");
 192     }
 193
 194     QStringList actions;
 195     actions << "rename" << "move_to_trash" << "delete" << "editMimeType";
 196     foreach(const QString& actionName, actions) {
 197         QAction* action = actionCollection()->action(actionName);
 198         Q_ASSERT(action);
 199         if (action) {
 200             action->setEnabled(hasSelection);
 201         }
 202     }
 203
 204     emit m_extension->enableAction("cut", hasSelection);
 205     emit m_extension->enableAction("copy", hasSelection);
 206 }
 207
 208 void DolphinPart::updatePasteAction()
 209 {
 210     QPair<bool, QString> pasteInfo = m_view->pasteInfo();
 211     emit m_extension->enableAction( "paste", pasteInfo.first );
 212     emit m_extension->setActionText( "paste", pasteInfo.second );
 213 }
 214
 215 void DolphinPart::updateViewActions()
 216 {
 217     QAction* action = actionCollection()->action(m_view->currentViewModeActionName());
 218     if (action != 0) {
 219         KToggleAction* toggleAction = static_cast<KToggleAction*>(action);
 220         toggleAction->setChecked(true);
 221     }
 222 }
 223
 224 KAboutData* DolphinPart::createAboutData()
 225 {
 226     return new KAboutData("dolphinpart", "dolphin", ki18nc("@title", "Dolphin Part"), "0.1");
 227 }
 228
 229 bool DolphinPart::openUrl(const KUrl& url)
 230 {
 231     const bool reload = arguments().reload();
 232     if (m_view->url() == url && !reload) { // DolphinView won't do anything in that case, so don't emit started
 233         return true;
 234     }
 235     setUrl(url); // remember it at the KParts level
 236     const QString prettyUrl = url.pathOrUrl();
 237     emit setWindowCaption(prettyUrl);
 238     emit m_extension->setLocationBarUrl(prettyUrl);
 239     emit started(0); // get the wheel to spin
 240     m_view->setUrl(url);
 241     if (reload)
 242         m_view->reload();
 243     return true;
 244 }
 245
 246 void DolphinPart::slotCompleted(const KUrl& url)
 247 {
 248     Q_UNUSED(url)
 249     emit completed();
 250 }
 251
 252 void DolphinPart::slotCanceled(const KUrl& url)
 253 {
 254     slotCompleted(url);
 255 }
 256
 257 void DolphinPart::slotInfoMessage(const QString& msg)
 258 {
 259     emit setStatusBarText(msg);
 260 }
 261
 262 void DolphinPart::slotErrorMessage(const QString& msg)
 263 {
 264     KMessageBox::error(m_view, msg);
 265 }
 266
 267 void DolphinPart::slotRequestItemInfo(const KFileItem& item)
 268 {
 269     emit m_extension->mouseOverInfo(item);
 270 }
 271
 272 void DolphinPart::slotItemTriggered(const KFileItem& item)
 273 {
 274     // MMB click support.
 275     // TODO: this doesn't work, mouseButtons() is always 0.
 276     // Issue N176832 for the missing QAIV signal; task 177399
 277     kDebug() << QApplication::mouseButtons();
 278     if (QApplication::mouseButtons() & Qt::MidButton) {
 279         kDebug() << "MMB!!" << item.mimetype();
 280         if (item.mimeTypePtr()->is("inode/directory")) {
 281             KParts::OpenUrlArguments args;
 282             args.setMimeType( item.mimetype() );
 283             emit m_extension->createNewWindow( item.url(), args );
 284         } else {
 285             kDebug() << "run()";
 286             item.run();
 287         }
 288     } else {
 289         // Left button. [Right button goes to slotOpenContextMenu before triggered can be emitted]
 290         kDebug() << "LMB";
 291         emit m_extension->openUrlRequest(item.url());
 292     }
 293 }
 294
 295 void DolphinPart::slotOpenContextMenu(const KFileItem& _item, const KUrl&)
 296 {
 297     KParts::BrowserExtension::PopupFlags popupFlags = KParts::BrowserExtension::DefaultPopupItems
 298                                                       | KParts::BrowserExtension::ShowProperties
 299                                                       | KParts::BrowserExtension::ShowUrlOperations;
 300     // TODO KonqKfmIconView had if ( !rootItem->isWritable() )
 301     //            popupFlags |= KParts::BrowserExtension::NoDeletion;
 302
 303     KFileItem item(_item);
 304
 305     if (item.isNull()) { // viewport context menu
 306         popupFlags |= KParts::BrowserExtension::ShowNavigationItems | KParts::BrowserExtension::ShowUp;
 307         // TODO get m_dirLister->rootItem if possible. or via kdirmodel?
 308         // and use this as fallback:
 309         item = KFileItem( S_IFDIR, (mode_t)-1, url() );
 310     }
 311
 312     KParts::BrowserExtension::ActionGroupMap actionGroups;
 313     QList<QAction *> editActions;
 314
 315     if (!item.isNull()) { // only for context menu on one or more items
 316         // TODO if ( sMoving )
 317         editActions.append(actionCollection()->action("rename"));
 318
 319         bool addTrash = false;
 320         bool addDel = false;
 321
 322         // TODO if ( sMoving && !isIntoTrash && !isTrashLink )
 323         addTrash = true;
 324
 325         /* TODO if ( sDeleting ) */ {
 326             if ( !item.isLocalFile() )
 327                 addDel = true;
 328             else if (QApplication::keyboardModifiers() & Qt::ShiftModifier) {
 329                 addTrash = false;
 330                 addDel = true;
 331             }
 332             else {
 333                 KConfigGroup configGroup( KGlobal::config(), "KDE" );
 334                 if ( configGroup.readEntry( "ShowDeleteCommand", false) )
 335                     addDel = true;
 336             }
 337         }
 338
 339         if (addTrash)
 340             editActions.append(actionCollection()->action("move_to_trash"));
 341         if (addDel)
 342             editActions.append(actionCollection()->action("delete"));
 343         actionGroups.insert("editactions", editActions);
 344
 345         KFileItemList items; items.append(item);
 346         emit m_extension->popupMenu(QCursor::pos(),
 347                                     items,
 348                                     KParts::OpenUrlArguments(),
 349                                     KParts::BrowserArguments(),
 350                                     popupFlags,
 351                                     actionGroups);
 352     }
 353 }
 354
 355 void DolphinPart::slotViewModeActionTriggered(QAction* action)
 356 {
 357     const DolphinView::Mode mode = action->data().value<DolphinView::Mode>();
 358     m_view->setMode(mode);
 359 }
 360
 361 void DolphinPart::slotUrlChanged(const KUrl& url)
 362 {
 363     if (m_view->url() != url) {
 364         // If the view URL is not equal to 'url', then an inner URL change has
 365         // been done (e. g. by activating an existing column in the column view).
 366         openUrl(url);
 367         emit m_extension->openUrlNotify();
 368     }
 369 }
 370
 371 ////
 372
 373 void DolphinPartBrowserExtension::cut()
 374 {
 375     m_part->view()->cutSelectedItems();
 376 }
 377
 378 void DolphinPartBrowserExtension::copy()
 379 {
 380     m_part->view()->copySelectedItems();
 381 }
 382
 383 void DolphinPartBrowserExtension::paste()
 384 {
 385     m_part->view()->paste();
 386 }
 387
 388 ////
 389
 390 void DolphinPart::slotTrashActivated(Qt::MouseButtons, Qt::KeyboardModifiers modifiers)
 391 {
 392     // Note: kde3's konq_mainwindow.cpp used to check
 393     // reason == KAction::PopupMenuActivation && ...
 394     // but this isn't supported anymore
 395     if (modifiers & Qt::ShiftModifier)
 396         m_view->deleteSelectedItems();
 397     else
 398         m_view->trashSelectedItems();
 399 }
 400
 401 void DolphinPart::slotNewDir()
 402 {
 403     KonqOperations::newDir(widget(), url());
 404 }
 405
 406 void DolphinPart::slotEditMimeType()
 407 {
 408     const KFileItemList items = m_view->selectedItems();
 409     if (!items.isEmpty()) {
 410         KonqOperations::editMimeType( items.first().mimetype(), m_view );
 411     }
 412 }
 413
 414 #include "dolphinpart.moc"