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     const bool reload = arguments().reload();
 220     if (m_view->url() == url && !reload) { // DolphinView won't do anything in that case, so don't emit started
 221         return true;
 222     }
 223     setUrl(url); // remember it at the KParts level
 224     const QString prettyUrl = url.pathOrUrl();
 225     emit setWindowCaption(prettyUrl);
 226     emit m_extension->setLocationBarUrl(prettyUrl);
 227     emit started(0); // get the wheel to spin
 228     m_view->setUrl(url);
 229     emit aboutToOpenURL();
 230     if (reload)
 231         m_view->reload();
 232     return true;
 233 }
 234
 235 void DolphinPart::slotCompleted(const KUrl& url)
 236 {
 237     Q_UNUSED(url)
 238     emit completed();
 239 }
 240
 241 void DolphinPart::slotCanceled(const KUrl& url)
 242 {
 243     slotCompleted(url);
 244 }
 245
 246 void DolphinPart::slotInfoMessage(const QString& msg)
 247 {
 248     emit setStatusBarText(msg);
 249 }
 250
 251 void DolphinPart::slotErrorMessage(const QString& msg)
 252 {
 253     KMessageBox::error(m_view, msg);
 254 }
 255
 256 void DolphinPart::slotRequestItemInfo(const KFileItem& item)
 257 {
 258     emit m_extension->mouseOverInfo(item);
 259 }
 260
 261 void DolphinPart::slotItemTriggered(const KFileItem& item)
 262 {
 263     KParts::OpenUrlArguments args;
 264     args.setMimeType(item.mimetype());
 265
 266     // Ideally, konqueror should be changed to not require trustedSource for directory views,
 267     // since the idea was not to need BrowserArguments for non-browser stuff...
 268     KParts::BrowserArguments browserArgs;
 269     browserArgs.trustedSource = true;
 270     emit m_extension->openUrlRequest(item.targetUrl(), args, browserArgs);
 271 }
 272
 273 void DolphinPart::createNewWindow(const KUrl& url)
 274 {
 275     // TODO: Check issue N176832 for the missing QAIV signal; task 177399 - maybe this code
 276     // should be moved into DolphinPart::slotItemTriggered()
 277     KFileItem item(S_IFDIR, (mode_t)-1, url);
 278     Q_ASSERT(item.mimeTypePtr()->is("inode/directory"));  // the signal 'tabRequested' is only emitted for dirs
 279     KParts::OpenUrlArguments args;
 280     args.setMimeType(item.mimetype());
 281     emit m_extension->createNewWindow(url, args);
 282 }
 283
 284 void DolphinPart::slotOpenContextMenu(const KFileItem& _item, const KUrl&)
 285 {
 286     KParts::BrowserExtension::PopupFlags popupFlags = KParts::BrowserExtension::DefaultPopupItems
 287                                                       | KParts::BrowserExtension::ShowProperties
 288                                                       | KParts::BrowserExtension::ShowUrlOperations;
 289     // TODO KonqKfmIconView had if ( !rootItem->isWritable() )
 290     //            popupFlags |= KParts::BrowserExtension::NoDeletion;
 291
 292     KFileItem item(_item);
 293
 294     if (item.isNull()) { // viewport context menu
 295         popupFlags |= KParts::BrowserExtension::ShowNavigationItems | KParts::BrowserExtension::ShowUp;
 296         // TODO get m_dirLister->rootItem if possible. or via kdirmodel?
 297         // and use this as fallback:
 298         item = KFileItem( S_IFDIR, (mode_t)-1, url() );
 299     }
 300
 301     KParts::BrowserExtension::ActionGroupMap actionGroups;
 302     QList<QAction *> editActions;
 303
 304     if (!_item.isNull()) { // only for context menu on one or more items
 305         // TODO if ( sMoving )
 306         editActions.append(actionCollection()->action("rename"));
 307
 308         bool addTrash = false;
 309         bool addDel = false;
 310
 311         bool isIntoTrash = _item.url().protocol() == "trash";
 312
 313         if ( /*TODO sMoving &&*/ !isIntoTrash )
 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
 337     // TODO: We should change the signature of the slots (and signals) for being able
 338     //       to tell for which items we want a popup.
 339     KFileItemList items = (m_view->selectedItems().count() ? m_view->selectedItems()
 340                            : KFileItemList() << item);
 341     emit m_extension->popupMenu(QCursor::pos(),
 342                                 items,
 343                                 KParts::OpenUrlArguments(),
 344                                 KParts::BrowserArguments(),
 345                                 popupFlags,
 346                                 actionGroups);
 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"