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