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     setWidget(m_view);
  75
  76     setXMLFile("dolphinpart.rc");
  77
  78     connect(m_view, SIGNAL(infoMessage(QString)),
  79             this, SLOT(slotInfoMessage(QString)));
  80     connect(m_view, SIGNAL(errorMessage(QString)),
  81             this, SLOT(slotErrorMessage(QString)));
  82     connect(m_view, SIGNAL(itemTriggered(KFileItem)),
  83             this, SLOT(slotItemTriggered(KFileItem)));
  84     connect(m_view, SIGNAL(requestContextMenu(KFileItem,KUrl)),
  85             this, SLOT(slotOpenContextMenu(KFileItem,KUrl)));
  86     connect(m_view, SIGNAL(selectionChanged(KFileItemList)),
  87             m_extension, SIGNAL(selectionInfo(KFileItemList)));
  88     connect(m_view, SIGNAL(selectionChanged(KFileItemList)),
  89             this, SLOT(slotSelectionChanged(KFileItemList)));
  90     connect(m_view, SIGNAL(requestItemInfo(KFileItem)),
  91             this, SLOT(slotRequestItemInfo(KFileItem)));
  92     connect(m_view, SIGNAL(urlChanged(KUrl)),
  93             this, SLOT(slotUrlChanged(KUrl)));
  94     connect(m_view, SIGNAL(modeChanged()),
  95             this, SLOT(updateViewActions()));
  96
  97     QClipboard* clipboard = QApplication::clipboard();
  98     connect(clipboard, SIGNAL(dataChanged()),
  99             this, SLOT(updatePasteAction()));
 100
 101     createActions();
 102     updateViewActions();
 103     slotSelectionChanged(KFileItemList()); // initially disable selection-dependent actions
 104
 105     // TODO provide the viewmode actions in the menu, merged with the existing view-mode-actions somehow
 106     // [Q_PROPERTY introspection?]
 107
 108     // TODO sort_by_* actions
 109     // TODO show_*_info 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
 115 DolphinPart::~DolphinPart()
 116 {
 117     delete m_dirLister;
 118 }
 119
 120 void DolphinPart::createActions()
 121 {
 122     QActionGroup* viewModeActions = new QActionGroup(this);
 123     viewModeActions->addAction(DolphinView::iconsModeAction(actionCollection()));
 124     viewModeActions->addAction(DolphinView::detailsModeAction(actionCollection()));
 125     viewModeActions->addAction(DolphinView::columnsModeAction(actionCollection()));
 126     connect(viewModeActions, SIGNAL(triggered(QAction*)), this, SLOT(slotViewModeActionTriggered(QAction*)));
 127
 128     KAction* renameAction = DolphinView::createRenameAction(actionCollection());
 129     connect(renameAction, SIGNAL(triggered()), m_view, SLOT(renameSelectedItems()));
 130
 131     KAction* moveToTrashAction = DolphinView::createMoveToTrashAction(actionCollection());
 132     connect(moveToTrashAction, SIGNAL(triggered(Qt::MouseButtons, Qt::KeyboardModifiers)),
 133             this, SLOT(slotTrashActivated(Qt::MouseButtons, Qt::KeyboardModifiers)));
 134
 135     KAction* deleteAction = DolphinView::createDeleteAction(actionCollection());
 136     connect(deleteAction, SIGNAL(triggered()), m_view, SLOT(deleteSelectedItems()));
 137
 138     KAction *editMimeTypeAction = actionCollection()->addAction( "editMimeType" );
 139     editMimeTypeAction->setText( i18nc("@action:inmenu Edit", "&Edit File Type..." ) );
 140     connect(editMimeTypeAction, SIGNAL(triggered()), SLOT(slotEditMimeType()));
 141
 142     KAction *propertiesAction = actionCollection()->addAction( "properties" );
 143     propertiesAction->setText( i18nc("@action:inmenu Edit", "Properties") );
 144     propertiesAction->setShortcut(Qt::ALT+Qt::Key_Return);
 145     connect(propertiesAction, SIGNAL(triggered()), SLOT(slotProperties()));
 146
 147     // Go menu
 148
 149     KAction* newDirAction = DolphinView::createNewDirAction(actionCollection());
 150     connect(newDirAction, SIGNAL(triggered()), SLOT(createDir()));
 151
 152     QActionGroup* goActionGroup = new QActionGroup(this);
 153     connect(goActionGroup, SIGNAL(triggered(QAction*)),
 154             this, SLOT(slotGoTriggered(QAction*)));
 155
 156     createGoAction("go_applications", "start-here-kde",
 157                    i18nc("@action:inmenu Go", "App&lications"), QString("programs:/"),
 158                    goActionGroup);
 159     createGoAction("go_network_folders", "folder-remote",
 160                    i18nc("@action:inmenu Go", "&Network Folders"), QString("remote:/"),
 161                    goActionGroup);
 162     createGoAction("go_settings", "preferences-system",
 163                    i18nc("@action:inmenu Go", "Sett&ings"), QString("settings:/"),
 164                    goActionGroup);
 165     createGoAction("go_trash", "user-trash",
 166                    i18nc("@action:inmenu Go", "Trash"), QString("trash:/"),
 167                    goActionGroup);
 168     createGoAction("go_autostart", "",
 169                    i18nc("@action:inmenu Go", "Autostart"), KGlobalSettings::autostartPath(),
 170                    goActionGroup);
 171 }
 172
 173 void DolphinPart::createGoAction(const char* name, const char* iconName,
 174                                  const QString& text, const QString& url,
 175                                  QActionGroup* actionGroup)
 176 {
 177     KAction* action = actionCollection()->addAction(name);
 178     action->setIcon(KIcon(iconName));
 179     action->setText(text);
 180     action->setData(url);
 181     action->setActionGroup(actionGroup);
 182 }
 183
 184 void DolphinPart::slotGoTriggered(QAction* action)
 185 {
 186     const QString url = action->data().toString();
 187     emit m_extension->openUrlRequest(KUrl(url));
 188 }
 189
 190 void DolphinPart::slotSelectionChanged(const KFileItemList& selection)
 191 {
 192     const bool hasSelection = !selection.isEmpty();
 193     if (!hasSelection) {
 194         stateChanged("has_no_selection");
 195     } else {
 196         stateChanged("has_selection");
 197     }
 198
 199     QStringList actions;
 200     actions << "rename" << "move_to_trash" << "delete" << "editMimeType" << "properties";
 201     foreach(const QString& actionName, actions) {
 202         QAction* action = actionCollection()->action(actionName);
 203         Q_ASSERT(action);
 204         if (action) {
 205             action->setEnabled(hasSelection);
 206         }
 207     }
 208
 209     emit m_extension->enableAction("cut", hasSelection);
 210     emit m_extension->enableAction("copy", hasSelection);
 211 }
 212
 213 void DolphinPart::updatePasteAction()
 214 {
 215     QPair<bool, QString> pasteInfo = m_view->pasteInfo();
 216     emit m_extension->enableAction( "paste", pasteInfo.first );
 217     emit m_extension->setActionText( "paste", pasteInfo.second );
 218 }
 219
 220 void DolphinPart::updateViewActions()
 221 {
 222     QAction* action = actionCollection()->action(m_view->currentViewModeActionName());
 223     if (action != 0) {
 224         KToggleAction* toggleAction = static_cast<KToggleAction*>(action);
 225         toggleAction->setChecked(true);
 226     }
 227 }
 228
 229 KAboutData* DolphinPart::createAboutData()
 230 {
 231     return new KAboutData("dolphinpart", "dolphin", ki18nc("@title", "Dolphin Part"), "0.1");
 232 }
 233
 234 bool DolphinPart::openUrl(const KUrl& url)
 235 {
 236     const bool reload = arguments().reload();
 237     if (m_view->url() == url && !reload) { // DolphinView won't do anything in that case, so don't emit started
 238         return true;
 239     }
 240     setUrl(url); // remember it at the KParts level
 241     const QString prettyUrl = url.pathOrUrl();
 242     emit setWindowCaption(prettyUrl);
 243     emit m_extension->setLocationBarUrl(prettyUrl);
 244     emit started(0); // get the wheel to spin
 245     m_view->setUrl(url);
 246     if (reload)
 247         m_view->reload();
 248     return true;
 249 }
 250
 251 void DolphinPart::slotCompleted(const KUrl& url)
 252 {
 253     Q_UNUSED(url)
 254     emit completed();
 255 }
 256
 257 void DolphinPart::slotCanceled(const KUrl& url)
 258 {
 259     slotCompleted(url);
 260 }
 261
 262 void DolphinPart::slotInfoMessage(const QString& msg)
 263 {
 264     emit setStatusBarText(msg);
 265 }
 266
 267 void DolphinPart::slotErrorMessage(const QString& msg)
 268 {
 269     KMessageBox::error(m_view, msg);
 270 }
 271
 272 void DolphinPart::slotRequestItemInfo(const KFileItem& item)
 273 {
 274     emit m_extension->mouseOverInfo(item);
 275 }
 276
 277 void DolphinPart::slotItemTriggered(const KFileItem& item)
 278 {
 279     KParts::OpenUrlArguments args;
 280     args.setMimeType(item.mimetype());
 281
 282     // Ideally, konqueror should be changed to not require trustedSource for directory views,
 283     // since the idea was not to need BrowserArguments for non-browser stuff...
 284     KParts::BrowserArguments browserArgs;
 285     browserArgs.trustedSource = true;
 286
 287     // MMB click support.
 288     // TODO: this doesn't work, mouseButtons() is always 0.
 289     // Issue N176832 for the missing QAIV signal; task 177399
 290     kDebug() << QApplication::mouseButtons();
 291     if (QApplication::mouseButtons() & Qt::MidButton) {
 292         kDebug() << "MMB!!" << item.mimetype();
 293         if (item.mimeTypePtr()->is("inode/directory")) {
 294             emit m_extension->createNewWindow(item.url(), args);
 295         } else {
 296             kDebug() << "run()";
 297             item.run();
 298         }
 299     } else {
 300         // Left button. [Right button goes to slotOpenContextMenu before triggered can be emitted]
 301         kDebug() << "LMB";
 302         emit m_extension->openUrlRequest(item.url(), args, browserArgs);
 303     }
 304 }
 305
 306 void DolphinPart::slotOpenContextMenu(const KFileItem& _item, const KUrl&)
 307 {
 308     KParts::BrowserExtension::PopupFlags popupFlags = KParts::BrowserExtension::DefaultPopupItems
 309                                                       | KParts::BrowserExtension::ShowProperties
 310                                                       | KParts::BrowserExtension::ShowUrlOperations;
 311     // TODO KonqKfmIconView had if ( !rootItem->isWritable() )
 312     //            popupFlags |= KParts::BrowserExtension::NoDeletion;
 313
 314     KFileItem item(_item);
 315
 316     if (item.isNull()) { // viewport context menu
 317         popupFlags |= KParts::BrowserExtension::ShowNavigationItems | KParts::BrowserExtension::ShowUp;
 318         // TODO get m_dirLister->rootItem if possible. or via kdirmodel?
 319         // and use this as fallback:
 320         item = KFileItem( S_IFDIR, (mode_t)-1, url() );
 321     }
 322
 323     KParts::BrowserExtension::ActionGroupMap actionGroups;
 324     QList<QAction *> editActions;
 325
 326     if (!item.isNull()) { // only for context menu on one or more items
 327         // TODO if ( sMoving )
 328         editActions.append(actionCollection()->action("rename"));
 329
 330         bool addTrash = false;
 331         bool addDel = false;
 332
 333         // TODO if ( sMoving && !isIntoTrash && !isTrashLink )
 334         addTrash = true;
 335
 336         /* TODO if ( sDeleting ) */ {
 337             if ( !item.isLocalFile() )
 338                 addDel = true;
 339             else if (QApplication::keyboardModifiers() & Qt::ShiftModifier) {
 340                 addTrash = false;
 341                 addDel = true;
 342             }
 343             else {
 344                 KConfigGroup configGroup( KGlobal::config(), "KDE" );
 345                 if ( configGroup.readEntry( "ShowDeleteCommand", false) )
 346                     addDel = true;
 347             }
 348         }
 349
 350         if (addTrash)
 351             editActions.append(actionCollection()->action("move_to_trash"));
 352         if (addDel)
 353             editActions.append(actionCollection()->action("delete"));
 354         actionGroups.insert("editactions", editActions);
 355
 356         KFileItemList items; items.append(item);
 357         emit m_extension->popupMenu(QCursor::pos(),
 358                                     items,
 359                                     KParts::OpenUrlArguments(),
 360                                     KParts::BrowserArguments(),
 361                                     popupFlags,
 362                                     actionGroups);
 363     }
 364 }
 365
 366 void DolphinPart::slotViewModeActionTriggered(QAction* action)
 367 {
 368     const DolphinView::Mode mode = action->data().value<DolphinView::Mode>();
 369     m_view->setMode(mode);
 370 }
 371
 372 void DolphinPart::slotUrlChanged(const KUrl& url)
 373 {
 374     if (m_view->url() != url) {
 375         // If the view URL is not equal to 'url', then an inner URL change has
 376         // been done (e. g. by activating an existing column in the column view).
 377         openUrl(url);
 378         emit m_extension->openUrlNotify();
 379     }
 380 }
 381
 382 ////
 383
 384 void DolphinPartBrowserExtension::cut()
 385 {
 386     m_part->view()->cutSelectedItems();
 387 }
 388
 389 void DolphinPartBrowserExtension::copy()
 390 {
 391     m_part->view()->copySelectedItems();
 392 }
 393
 394 void DolphinPartBrowserExtension::paste()
 395 {
 396     m_part->view()->paste();
 397 }
 398
 399 ////
 400
 401 void DolphinPart::slotTrashActivated(Qt::MouseButtons, Qt::KeyboardModifiers modifiers)
 402 {
 403     // Note: kde3's konq_mainwindow.cpp used to check
 404     // reason == KAction::PopupMenuActivation && ...
 405     // but this isn't supported anymore
 406     if (modifiers & Qt::ShiftModifier)
 407         m_view->deleteSelectedItems();
 408     else
 409         m_view->trashSelectedItems();
 410 }
 411
 412 void DolphinPart::slotEditMimeType()
 413 {
 414     const KFileItemList items = m_view->selectedItems();
 415     if (!items.isEmpty()) {
 416         KonqOperations::editMimeType(items.first().mimetype(), m_view);
 417     }
 418 }
 419
 420 void DolphinPart::slotProperties()
 421 {
 422     const KFileItemList items = m_view->selectedItems();
 423     if (!items.isEmpty()) {
 424         KPropertiesDialog dialog(items.first().url(), m_view);
 425         dialog.exec();
 426     }
 427 }
 428
 429 void DolphinPart::createDir()
 430 {
 431     KonqOperations::newDir(m_view, url());
 432 }
 433
 434 #include "dolphinpart.moc"