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