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 // The componentdata name must be dolphinpart so that dolphinpart.rc is found
  47 // Alternatively we would have to install it as dolphin/dolphinpart.rc
  48 K_EXPORT_PLUGIN(DolphinPartFactory("dolphinpart"))
  49
  50 DolphinPart::DolphinPart(QWidget* parentWidget, QObject* parent, const QVariantList& args)
  51     : KParts::ReadOnlyPart(parent)
  52 {
  53     Q_UNUSED(args)
  54     setComponentData(DolphinPartFactory::componentData(), false);
  55     m_extension = new DolphinPartBrowserExtension(this);
  56
  57     // make sure that other apps using this part find Dolphin's view-file-columns icons
  58     KIconLoader::global()->addAppDir("dolphin");
  59
  60     m_dirLister = new KDirLister;
  61     m_dirLister->setAutoUpdate(true);
  62     m_dirLister->setMainWindow(parentWidget->window());
  63     m_dirLister->setDelayedMimeTypes(true);
  64
  65     //connect(m_dirLister, SIGNAL(started(KUrl)), this, SLOT(slotStarted()));
  66     connect(m_dirLister, SIGNAL(completed(KUrl)), this, SLOT(slotCompleted(KUrl)));
  67     connect(m_dirLister, SIGNAL(canceled(KUrl)), this, SLOT(slotCanceled(KUrl)));
  68
  69     m_dolphinModel = new DolphinModel(this);
  70     m_dolphinModel->setDirLister(m_dirLister);
  71
  72     m_proxyModel = new DolphinSortFilterProxyModel(this);
  73     m_proxyModel->setSourceModel(m_dolphinModel);
  74
  75     m_view = new DolphinView(parentWidget,
  76                              KUrl(),
  77                              m_dirLister,
  78                              m_dolphinModel,
  79                              m_proxyModel);
  80     setWidget(m_view);
  81
  82     setXMLFile("dolphinpart.rc");
  83
  84     connect(m_view, SIGNAL(infoMessage(QString)),
  85             this, SLOT(slotInfoMessage(QString)));
  86     connect(m_view, SIGNAL(errorMessage(QString)),
  87             this, SLOT(slotErrorMessage(QString)));
  88     connect(m_view, SIGNAL(itemTriggered(KFileItem)),
  89             this, SLOT(slotItemTriggered(KFileItem)));
  90     connect(m_view, SIGNAL(tabRequested(KUrl)),
  91             this, SLOT(createNewWindow(KUrl)));
  92     connect(m_view, SIGNAL(requestContextMenu(KFileItem,KUrl)),
  93             this, SLOT(slotOpenContextMenu(KFileItem,KUrl)));
  94     connect(m_view, SIGNAL(selectionChanged(KFileItemList)),
  95             m_extension, SIGNAL(selectionInfo(KFileItemList)));
  96     connect(m_view, SIGNAL(selectionChanged(KFileItemList)),
  97             this, SLOT(slotSelectionChanged(KFileItemList)));
  98     connect(m_view, SIGNAL(requestItemInfo(KFileItem)),
  99             this, SLOT(slotRequestItemInfo(KFileItem)));
 100     connect(m_view, SIGNAL(urlChanged(KUrl)),
 101             this, SLOT(slotUrlChanged(KUrl)));
 102     connect(m_view, SIGNAL(modeChanged()),
 103             this, SIGNAL(viewModeChanged())); // relay signal
 104
 105     m_actionHandler = new DolphinViewActionHandler(actionCollection(), this);
 106     m_actionHandler->setCurrentView(m_view);
 107
 108     QClipboard* clipboard = QApplication::clipboard();
 109     connect(clipboard, SIGNAL(dataChanged()),
 110             this, SLOT(updatePasteAction()));
 111
 112     createActions();
 113     m_actionHandler->updateViewActions();
 114     slotSelectionChanged(KFileItemList()); // initially disable selection-dependent actions
 115
 116     // TODO sort_by_* actions
 117
 118     // TODO there was a "always open a new window" (when clicking on a directory) setting in konqueror
 119     // (sort of spacial navigation)
 120
 121     loadPlugins(this, this, componentData());
 122 }
 123
 124 DolphinPart::~DolphinPart()
 125 {
 126     delete m_dirLister;
 127 }
 128
 129 void DolphinPart::createActions()
 130 {
 131     KAction *editMimeTypeAction = actionCollection()->addAction( "editMimeType" );
 132     editMimeTypeAction->setText( i18nc("@action:inmenu Edit", "&Edit File Type..." ) );
 133     connect(editMimeTypeAction, SIGNAL(triggered()), SLOT(slotEditMimeType()));
 134
 135     KAction *propertiesAction = actionCollection()->addAction( "properties" );
 136     propertiesAction->setText( i18nc("@action:inmenu Edit", "Properties") );
 137     propertiesAction->setShortcut(Qt::ALT+Qt::Key_Return);
 138     connect(propertiesAction, SIGNAL(triggered()), SLOT(slotProperties()));
 139
 140     // View menu: all done by DolphinViewActionHandler
 141
 142     // Go menu
 143
 144     QActionGroup* goActionGroup = new QActionGroup(this);
 145     connect(goActionGroup, SIGNAL(triggered(QAction*)),
 146             this, SLOT(slotGoTriggered(QAction*)));
 147
 148     createGoAction("go_applications", "start-here-kde",
 149                    i18nc("@action:inmenu Go", "App&lications"), QString("programs:/"),
 150                    goActionGroup);
 151     createGoAction("go_network_folders", "folder-remote",
 152                    i18nc("@action:inmenu Go", "&Network Folders"), QString("remote:/"),
 153                    goActionGroup);
 154     createGoAction("go_settings", "preferences-system",
 155                    i18nc("@action:inmenu Go", "Sett&ings"), QString("settings:/"),
 156                    goActionGroup);
 157     createGoAction("go_trash", "user-trash",
 158                    i18nc("@action:inmenu Go", "Trash"), QString("trash:/"),
 159                    goActionGroup);
 160     createGoAction("go_autostart", "",
 161                    i18nc("@action:inmenu Go", "Autostart"), KGlobalSettings::autostartPath(),
 162                    goActionGroup);
 163 }
 164
 165 void DolphinPart::createGoAction(const char* name, const char* iconName,
 166                                  const QString& text, const QString& url,
 167                                  QActionGroup* actionGroup)
 168 {
 169     KAction* action = actionCollection()->addAction(name);
 170     action->setIcon(KIcon(iconName));
 171     action->setText(text);
 172     action->setData(url);
 173     action->setActionGroup(actionGroup);
 174 }
 175
 176 void DolphinPart::slotGoTriggered(QAction* action)
 177 {
 178     const QString url = action->data().toString();
 179     emit m_extension->openUrlRequest(KUrl(url));
 180 }
 181
 182 void DolphinPart::slotSelectionChanged(const KFileItemList& selection)
 183 {
 184     const bool hasSelection = !selection.isEmpty();
 185     if (!hasSelection) {
 186         stateChanged("has_no_selection");
 187     } else {
 188         stateChanged("has_selection");
 189     }
 190
 191     QStringList actions;
 192     actions << "rename" << "move_to_trash" << "delete" << "editMimeType" << "properties";
 193     foreach(const QString& actionName, actions) {
 194         QAction* action = actionCollection()->action(actionName);
 195         Q_ASSERT(action);
 196         if (action) {
 197             action->setEnabled(hasSelection);
 198         }
 199     }
 200
 201     emit m_extension->enableAction("cut", hasSelection);
 202     emit m_extension->enableAction("copy", hasSelection);
 203 }
 204
 205 void DolphinPart::updatePasteAction()
 206 {
 207     QPair<bool, QString> pasteInfo = m_view->pasteInfo();
 208     emit m_extension->enableAction( "paste", pasteInfo.first );
 209     emit m_extension->setActionText( "paste", pasteInfo.second );
 210 }
 211
 212 KAboutData* DolphinPart::createAboutData()
 213 {
 214     return new KAboutData("dolphinpart", "dolphin", ki18nc("@title", "Dolphin Part"), "0.1");
 215 }
 216
 217 bool DolphinPart::openUrl(const KUrl& url)
 218 {
 219     bool reload = arguments().reload();
 220     // A bit of a workaround so that changing the namefilter works: force reload.
 221     // Otherwise DolphinView wouldn't relist the URL, so nothing would happen.
 222     if (m_nameFilter != m_dirLister->nameFilter())
 223         reload = true;
 224     if (m_view->url() == url && !reload) { // DolphinView won't do anything in that case, so don't emit started
 225         return true;
 226     }
 227     setUrl(url); // remember it at the KParts level
 228     KUrl visibleUrl(url);
 229     if (!m_nameFilter.isEmpty()) {
 230         visibleUrl.addPath(m_nameFilter);
 231     }
 232     QString prettyUrl = visibleUrl.pathOrUrl();
 233     emit setWindowCaption(prettyUrl);
 234     emit m_extension->setLocationBarUrl(prettyUrl);
 235     emit started(0); // get the wheel to spin
 236     m_dirLister->setNameFilter(m_nameFilter);
 237     m_view->setUrl(url);
 238     emit aboutToOpenURL();
 239     if (reload)
 240         m_view->reload();
 241     return true;
 242 }
 243
 244 void DolphinPart::slotCompleted(const KUrl& url)
 245 {
 246     Q_UNUSED(url)
 247     emit completed();
 248 }
 249
 250 void DolphinPart::slotCanceled(const KUrl& url)
 251 {
 252     slotCompleted(url);
 253 }
 254
 255 void DolphinPart::slotInfoMessage(const QString& msg)
 256 {
 257     emit setStatusBarText(msg);
 258 }
 259
 260 void DolphinPart::slotErrorMessage(const QString& msg)
 261 {
 262     KMessageBox::error(m_view, msg);
 263 }
 264
 265 void DolphinPart::slotRequestItemInfo(const KFileItem& item)
 266 {
 267     emit m_extension->mouseOverInfo(item);
 268 }
 269
 270 void DolphinPart::slotItemTriggered(const KFileItem& item)
 271 {
 272     KParts::OpenUrlArguments args;
 273     args.setMimeType(item.mimetype());
 274
 275     // Ideally, konqueror should be changed to not require trustedSource for directory views,
 276     // since the idea was not to need BrowserArguments for non-browser stuff...
 277     KParts::BrowserArguments browserArgs;
 278     browserArgs.trustedSource = true;
 279     emit m_extension->openUrlRequest(item.targetUrl(), args, browserArgs);
 280 }
 281
 282 void DolphinPart::createNewWindow(const KUrl& url)
 283 {
 284     // TODO: Check issue N176832 for the missing QAIV signal; task 177399 - maybe this code
 285     // should be moved into DolphinPart::slotItemTriggered()
 286     KFileItem item(S_IFDIR, (mode_t)-1, url);
 287     Q_ASSERT(item.mimeTypePtr()->is("inode/directory"));  // the signal 'tabRequested' is only emitted for dirs
 288     KParts::OpenUrlArguments args;
 289     args.setMimeType(item.mimetype());
 290     emit m_extension->createNewWindow(url, args);
 291 }
 292
 293 void DolphinPart::slotOpenContextMenu(const KFileItem& _item, const KUrl&)
 294 {
 295     KParts::BrowserExtension::PopupFlags popupFlags = KParts::BrowserExtension::DefaultPopupItems
 296                                                       | KParts::BrowserExtension::ShowProperties
 297                                                       | KParts::BrowserExtension::ShowUrlOperations;
 298     // TODO KonqKfmIconView had if ( !rootItem->isWritable() )
 299     //            popupFlags |= KParts::BrowserExtension::NoDeletion;
 300
 301     KFileItem item(_item);
 302
 303     if (item.isNull()) { // viewport context menu
 304         popupFlags |= KParts::BrowserExtension::ShowNavigationItems | KParts::BrowserExtension::ShowUp;
 305         // TODO get m_dirLister->rootItem if possible. or via kdirmodel?
 306         // and use this as fallback:
 307         item = KFileItem( S_IFDIR, (mode_t)-1, url() );
 308     }
 309
 310     KParts::BrowserExtension::ActionGroupMap actionGroups;
 311     QList<QAction *> editActions;
 312
 313     if (!_item.isNull()) { // only for context menu on one or more items
 314         // TODO if ( sMoving )
 315         editActions.append(actionCollection()->action("rename"));
 316
 317         bool addTrash = false;
 318         bool addDel = false;
 319
 320         bool isIntoTrash = _item.url().protocol() == "trash";
 321
 322         if ( /*TODO sMoving &&*/ !isIntoTrash )
 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
 346     // TODO: We should change the signature of the slots (and signals) for being able
 347     //       to tell for which items we want a popup.
 348     KFileItemList items = (m_view->selectedItems().count() ? m_view->selectedItems()
 349                            : KFileItemList() << item);
 350     emit m_extension->popupMenu(QCursor::pos(),
 351                                 items,
 352                                 KParts::OpenUrlArguments(),
 353                                 KParts::BrowserArguments(),
 354                                 popupFlags,
 355                                 actionGroups);
 356 }
 357
 358 void DolphinPart::slotUrlChanged(const KUrl& url)
 359 {
 360     if (m_view->url() != url) {
 361         // If the view URL is not equal to 'url', then an inner URL change has
 362         // been done (e. g. by activating an existing column in the column view).
 363         openUrl(url);
 364         emit m_extension->openUrlNotify();
 365     }
 366 }
 367
 368 ////
 369
 370 void DolphinPartBrowserExtension::cut()
 371 {
 372     m_part->view()->cutSelectedItems();
 373 }
 374
 375 void DolphinPartBrowserExtension::copy()
 376 {
 377     m_part->view()->copySelectedItems();
 378 }
 379
 380 void DolphinPartBrowserExtension::paste()
 381 {
 382     m_part->view()->paste();
 383 }
 384
 385 void DolphinPartBrowserExtension::reparseConfiguration()
 386 {
 387     m_part->view()->refresh();
 388 }
 389
 390 ////
 391
 392 void DolphinPart::slotEditMimeType()
 393 {
 394     const KFileItemList items = m_view->selectedItems();
 395     if (!items.isEmpty()) {
 396         KonqOperations::editMimeType(items.first().mimetype(), m_view);
 397     }
 398 }
 399
 400 void DolphinPart::slotProperties()
 401 {
 402     const KFileItemList items = m_view->selectedItems();
 403     if (!items.isEmpty()) {
 404         KPropertiesDialog dialog(items.first().url(), m_view);
 405         dialog.exec();
 406     }
 407 }
 408
 409 void DolphinPart::setCurrentViewMode(const QString& viewModeName)
 410 {
 411     QAction* action = actionCollection()->action(viewModeName);
 412     Q_ASSERT(action);
 413     action->trigger();
 414 }
 415
 416 QString DolphinPart::currentViewMode() const
 417 {
 418     return m_actionHandler->currentViewModeActionName();
 419 }
 420
 421 void DolphinPart::setNameFilter(const QString& nameFilter)
 422 {
 423     // This is the "/home/dfaure/*.diff" kind of name filter (KDirLister::setNameFilter)
 424     // which is unrelated to DolphinView::setNameFilter which is substring filtering in a proxy.
 425     m_nameFilter = nameFilter;
 426     // TODO save/restore name filter in saveState/restoreState like KonqDirPart did in kde3?
 427 }
 428
 429 #include "dolphinpart.moc"