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     // This action doesn't appear in the GUI, it's for the shortcut only.
 134     // KNewMenu takes care of the GUI stuff.
 135     KAction* newDirAction = actionCollection()->addAction( "create_dir" );
 136     newDirAction->setText( i18n("Create Folder..." ) );
 137     connect(newDirAction, SIGNAL(triggered()), SLOT(slotNewDir()));
 138     newDirAction->setShortcut(Qt::Key_F10);
 139     widget()->addAction(newDirAction);
 140
 141     // Go menu
 142
 143     QActionGroup* goActionGroup = new QActionGroup(this);
 144     connect(goActionGroup, SIGNAL(triggered(QAction*)),
 145             this, SLOT(slotGoTriggered(QAction*)));
 146
 147     createGoAction("go_applications", "start-here",
 148                    i18nc("@action:inmenu Go", "App&lications"), QString("programs:/"),
 149                    goActionGroup);
 150     createGoAction("go_network_folders", "drive-remote",
 151                    i18nc("@action:inmenu Go", "&Network Folders"), QString("remote:/"),
 152                    goActionGroup);
 153     createGoAction("go_settings", "preferences-system",
 154                    i18nc("@action:inmenu Go", "Sett&ings"), QString("settings:/"),
 155                    goActionGroup);
 156     createGoAction("go_trash", "user-trash",
 157                    i18nc("@action:inmenu Go", "Trash"), QString("trash:/"),
 158                    goActionGroup);
 159     createGoAction("go_autostart", "",
 160                    i18nc("@action:inmenu Go", "Autostart"), KGlobalSettings::autostartPath(),
 161                    goActionGroup);
 162 }
 163
 164 void DolphinPart::createGoAction(const char* name, const char* iconName,
 165                                  const QString& text, const QString& url,
 166                                  QActionGroup* actionGroup)
 167 {
 168     KAction* action = actionCollection()->addAction(name);
 169     action->setIcon(KIcon(iconName));
 170     action->setText(text);
 171     action->setData(url);
 172     action->setActionGroup(actionGroup);
 173 }
 174
 175 void DolphinPart::slotGoTriggered(QAction* action)
 176 {
 177     const QString url = action->data().toString();
 178     emit m_extension->openUrlRequest(KUrl(url));
 179 }
 180
 181 void DolphinPart::slotSelectionChanged(const KFileItemList& selection)
 182 {
 183     const bool hasSelection = !selection.isEmpty();
 184     if (!hasSelection) {
 185         stateChanged("has_no_selection");
 186     } else {
 187         stateChanged("has_selection");
 188     }
 189
 190     QStringList actions;
 191     actions << "rename" << "move_to_trash" << "delete";
 192     foreach(const QString& actionName, actions) {
 193         QAction* action = actionCollection()->action(actionName);
 194         Q_ASSERT(action);
 195         if (action) {
 196             action->setEnabled(hasSelection);
 197         }
 198     }
 199
 200     emit m_extension->enableAction("cut", hasSelection);
 201     emit m_extension->enableAction("copy", hasSelection);
 202 }
 203
 204 void DolphinPart::updatePasteAction()
 205 {
 206     QPair<bool, QString> pasteInfo = m_view->pasteInfo();
 207     emit m_extension->enableAction( "paste", pasteInfo.first );
 208     emit m_extension->setActionText( "paste", pasteInfo.second );
 209 }
 210
 211 void DolphinPart::updateViewActions()
 212 {
 213     QAction* action = actionCollection()->action(m_view->currentViewModeActionName());
 214     if (action != 0) {
 215         KToggleAction* toggleAction = static_cast<KToggleAction*>(action);
 216         toggleAction->setChecked(true);
 217     }
 218 }
 219
 220 KAboutData* DolphinPart::createAboutData()
 221 {
 222     return new KAboutData("dolphinpart", "dolphin", ki18nc("@title", "Dolphin Part"), "0.1");
 223 }
 224
 225 bool DolphinPart::openUrl(const KUrl& url)
 226 {
 227     const bool reload = arguments().reload();
 228     if (m_view->url() == url && !reload) { // DolphinView won't do anything in that case, so don't emit started
 229         return true;
 230     }
 231     setUrl(url); // remember it at the KParts level
 232     const QString prettyUrl = url.pathOrUrl();
 233     emit setWindowCaption(prettyUrl);
 234     emit m_extension->setLocationBarUrl(prettyUrl);
 235     emit started(0); // get the wheel to spin
 236     m_view->setUrl(url);
 237     if (reload)
 238         m_view->reload();
 239     return true;
 240 }
 241
 242 void DolphinPart::slotCompleted(const KUrl& url)
 243 {
 244     Q_UNUSED(url)
 245     emit completed();
 246 }
 247
 248 void DolphinPart::slotCanceled(const KUrl& url)
 249 {
 250     slotCompleted(url);
 251 }
 252
 253 void DolphinPart::slotInfoMessage(const QString& msg)
 254 {
 255     emit setStatusBarText(msg);
 256 }
 257
 258 void DolphinPart::slotErrorMessage(const QString& msg)
 259 {
 260     KMessageBox::error(m_view, msg);
 261 }
 262
 263 void DolphinPart::slotRequestItemInfo(const KFileItem& item)
 264 {
 265     emit m_extension->mouseOverInfo(item);
 266 }
 267
 268 void DolphinPart::slotItemTriggered(const KFileItem& item)
 269 {
 270     // MMB click support.
 271     // TODO: this doesn't work, mouseButtons() is always 0.
 272     // Issue N176832 for the missing QAIV signal; task 177399
 273     kDebug() << QApplication::mouseButtons();
 274     if (QApplication::mouseButtons() & Qt::MidButton) {
 275         kDebug() << "MMB!!" << item.mimetype();
 276         if (item.mimeTypePtr()->is("inode/directory")) {
 277             KParts::OpenUrlArguments args;
 278             args.setMimeType( item.mimetype() );
 279             emit m_extension->createNewWindow( item.url(), args );
 280         } else {
 281             kDebug() << "run()";
 282             item.run();
 283         }
 284     } else {
 285         // Left button. [Right button goes to slotOpenContextMenu before triggered can be emitted]
 286         kDebug() << "LMB";
 287         emit m_extension->openUrlRequest(item.url());
 288     }
 289 }
 290
 291 void DolphinPart::slotOpenContextMenu(const KFileItem& _item, const KUrl&)
 292 {
 293     KParts::BrowserExtension::PopupFlags popupFlags = KParts::BrowserExtension::DefaultPopupItems
 294                                                       | KParts::BrowserExtension::ShowProperties
 295                                                       | KParts::BrowserExtension::ShowUrlOperations;
 296     // TODO KonqKfmIconView had if ( !rootItem->isWritable() )
 297     //            popupFlags |= KParts::BrowserExtension::NoDeletion;
 298
 299     KFileItem item(_item);
 300
 301     if (item.isNull()) { // viewport context menu
 302         popupFlags |= KParts::BrowserExtension::ShowNavigationItems | KParts::BrowserExtension::ShowUp;
 303         // TODO get m_dirLister->rootItem if possible. or via kdirmodel?
 304         // and use this as fallback:
 305         item = KFileItem( S_IFDIR, (mode_t)-1, url() );
 306     }
 307
 308     KParts::BrowserExtension::ActionGroupMap actionGroups;
 309     QList<QAction *> editActions;
 310
 311     if (!item.isNull()) { // only for context menu on one or more items
 312         // TODO if ( sMoving )
 313         editActions.append(actionCollection()->action("rename"));
 314
 315         bool addTrash = false;
 316         bool addDel = false;
 317
 318         // TODO if ( sMoving && !isIntoTrash && !isTrashLink )
 319         addTrash = true;
 320
 321         /* TODO if ( sDeleting ) */ {
 322             if ( !item.isLocalFile() )
 323                 addDel = true;
 324             else if (QApplication::keyboardModifiers() & Qt::ShiftModifier) {
 325                 addTrash = false;
 326                 addDel = true;
 327             }
 328             else {
 329                 KConfigGroup configGroup( KGlobal::config(), "KDE" );
 330                 if ( configGroup.readEntry( "ShowDeleteCommand", false) )
 331                     addDel = true;
 332             }
 333         }
 334
 335         if (addTrash)
 336             editActions.append(actionCollection()->action("move_to_trash"));
 337         if (addDel)
 338             editActions.append(actionCollection()->action("delete"));
 339         actionGroups.insert("editactions", editActions);
 340
 341         KFileItemList items; items.append(item);
 342         emit m_extension->popupMenu(QCursor::pos(),
 343                                     items,
 344                                     KParts::OpenUrlArguments(),
 345                                     KParts::BrowserArguments(),
 346                                     popupFlags,
 347                                     actionGroups);
 348     }
 349 }
 350
 351 void DolphinPart::slotViewModeActionTriggered(QAction* action)
 352 {
 353     const DolphinView::Mode mode = action->data().value<DolphinView::Mode>();
 354     m_view->setMode(mode);
 355 }
 356
 357 void DolphinPart::slotUrlChanged(const KUrl& url)
 358 {
 359     if (m_view->url() != url) {
 360         // If the view URL is not equal to 'url', then an inner URL change has
 361         // been done (e. g. by activating an existing column in the column view).
 362         openUrl(url);
 363         emit m_extension->openUrlNotify();
 364     }
 365 }
 366
 367 ////
 368
 369 void DolphinPartBrowserExtension::cut()
 370 {
 371     m_part->view()->cutSelectedItems();
 372 }
 373
 374 void DolphinPartBrowserExtension::copy()
 375 {
 376     m_part->view()->copySelectedItems();
 377 }
 378
 379 void DolphinPartBrowserExtension::paste()
 380 {
 381     m_part->view()->paste();
 382 }
 383
 384 ////
 385
 386 void DolphinPart::slotTrashActivated(Qt::MouseButtons, Qt::KeyboardModifiers modifiers)
 387 {
 388     // Note: kde3's konq_mainwindow.cpp used to check
 389     // reason == KAction::PopupMenuActivation && ...
 390     // but this isn't supported anymore
 391     if (modifiers & Qt::ShiftModifier)
 392         m_view->deleteSelectedItems();
 393     else
 394         m_view->trashSelectedItems();
 395 }
 396
 397 void DolphinPart::slotNewDir()
 398 {
 399     KonqOperations::newDir(widget(), url());
 400 }
 401
 402 #include "dolphinpart.moc"