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 "dolphinsortfilterproxymodel.h"
  22 #include "dolphinview.h"
  23 #include "dolphinmodel.h"
  24
  25 #include <konq_operations.h>
  26
  27 #include <kactioncollection.h>
  28 #include <kdirlister.h>
  29 #include <kmessagebox.h>
  30 #include <kparts/genericfactory.h>
  31 #include <ktoggleaction.h>
  32 #include <kconfiggroup.h>
  33
  34 #include <QActionGroup>
  35 #include <QApplication>
  36 #include <QClipboard>
  37
  38 typedef KParts::GenericFactory<DolphinPart> DolphinPartFactory;
  39 K_EXPORT_COMPONENT_FACTORY(dolphinpart, DolphinPartFactory)
  40
  41 DolphinPart::DolphinPart(QWidget* parentWidget, QObject* parent, const QStringList& args)
  42     : KParts::ReadOnlyPart(parent)
  43 {
  44     Q_UNUSED(args)
  45     setComponentData( DolphinPartFactory::componentData() );
  46     m_extension = new DolphinPartBrowserExtension(this);
  47
  48     m_dirLister = new KDirLister;
  49     m_dirLister->setAutoUpdate(true);
  50     m_dirLister->setMainWindow(parentWidget->topLevelWidget());
  51     m_dirLister->setDelayedMimeTypes(true);
  52
  53     //connect(m_dirLister, SIGNAL(started(KUrl)), this, SLOT(slotStarted()));
  54     connect(m_dirLister, SIGNAL(completed(KUrl)), this, SLOT(slotCompleted(KUrl)));
  55     connect(m_dirLister, SIGNAL(canceled(KUrl)), this, SLOT(slotCanceled(KUrl)));
  56
  57     m_dolphinModel = new DolphinModel(this);
  58     m_dolphinModel->setDirLister(m_dirLister);
  59
  60     m_proxyModel = new DolphinSortFilterProxyModel(this);
  61     m_proxyModel->setSourceModel(m_dolphinModel);
  62
  63     m_view = new DolphinView(parentWidget,
  64                              KUrl(),
  65                              m_dirLister,
  66                              m_dolphinModel,
  67                              m_proxyModel);
  68     setWidget(m_view);
  69
  70     setXMLFile("dolphinpart.rc");
  71
  72     connect(m_view, SIGNAL(infoMessage(QString)),
  73             this, SLOT(slotInfoMessage(QString)));
  74     connect(m_view, SIGNAL(errorMessage(QString)),
  75             this, SLOT(slotErrorMessage(QString)));
  76     connect(m_view, SIGNAL(itemTriggered(KFileItem)),
  77             this, SLOT(slotItemTriggered(KFileItem)));
  78     connect(m_view, SIGNAL(requestContextMenu(KFileItem,KUrl)),
  79             this, SLOT(slotOpenContextMenu(KFileItem,KUrl)));
  80     connect(m_view, SIGNAL(selectionChanged(KFileItemList)),
  81             m_extension, SIGNAL(selectionInfo(KFileItemList)));
  82     connect(m_view, SIGNAL(selectionChanged(KFileItemList)),
  83             this, SLOT(slotSelectionChanged(KFileItemList)));
  84     connect(m_view, SIGNAL(requestItemInfo(KFileItem)),
  85             this, SLOT(slotRequestItemInfo(KFileItem)));
  86     connect(m_view, SIGNAL(urlChanged(KUrl)),
  87             this, SLOT(slotUrlChanged(KUrl)));
  88     connect(m_view, SIGNAL(modeChanged()),
  89             this, SLOT(updateViewActions()));
  90
  91     QClipboard* clipboard = QApplication::clipboard();
  92     connect(clipboard, SIGNAL(dataChanged()),
  93             this, SLOT(updatePasteAction()));
  94
  95     createActions();
  96     updateViewActions();
  97     slotSelectionChanged(KFileItemList()); // initially disable selection-dependent actions
  98
  99     // TODO provide the viewmode actions in the menu, merged with the existing view-mode-actions somehow
 100     // [Q_PROPERTY introspection?]
 101
 102     // TODO sort_by_* actions
 103     // TODO show_*_info actions
 104
 105     // TODO there was a "always open a new window" (when clicking on a directory) setting in konqueror
 106     // (sort of spacial navigation)
 107 }
 108
 109 DolphinPart::~DolphinPart()
 110 {
 111     delete m_dirLister;
 112 }
 113
 114 void DolphinPart::createActions()
 115 {
 116     QActionGroup* viewModeActions = new QActionGroup(this);
 117     viewModeActions->addAction(DolphinView::iconsModeAction(actionCollection()));
 118     viewModeActions->addAction(DolphinView::detailsModeAction(actionCollection()));
 119     viewModeActions->addAction(DolphinView::columnsModeAction(actionCollection()));
 120     connect(viewModeActions, SIGNAL(triggered(QAction*)), this, SLOT(slotViewModeActionTriggered(QAction*)));
 121
 122     KAction* renameAction = DolphinView::createRenameAction(actionCollection());
 123     connect(renameAction, SIGNAL(triggered()), m_view, SLOT(renameSelectedItems()));
 124
 125     KAction* moveToTrashAction = DolphinView::createMoveToTrashAction(actionCollection());
 126     connect(moveToTrashAction, SIGNAL(triggered(Qt::MouseButtons, Qt::KeyboardModifiers)),
 127             this, SLOT(slotTrashActivated(Qt::MouseButtons, Qt::KeyboardModifiers)));
 128
 129     KAction* deleteAction = DolphinView::createDeleteAction(actionCollection());
 130     connect(deleteAction, SIGNAL(triggered()), m_view, SLOT(deleteSelectedItems()));
 131
 132     // This action doesn't appear in the GUI, it's for the shortcut only.
 133     // KNewMenu takes care of the GUI stuff.
 134     KAction* newDirAction = actionCollection()->addAction( "create_dir" );
 135     newDirAction->setText( i18n("Create Folder..." ) );
 136     connect(newDirAction, SIGNAL(triggered()), SLOT(slotNewDir()));
 137     newDirAction->setShortcut(Qt::Key_F10);
 138     widget()->addAction(newDirAction);
 139 }
 140
 141 void DolphinPart::slotSelectionChanged(const KFileItemList& selection)
 142 {
 143     const bool hasSelection = !selection.isEmpty();
 144     if (!hasSelection) {
 145         stateChanged("has_no_selection");
 146     } else {
 147         stateChanged("has_selection");
 148     }
 149
 150     QStringList actions;
 151     actions << "rename" << "move_to_trash" << "delete";
 152     foreach(const QString& actionName, actions) {
 153         QAction* action = actionCollection()->action(actionName);
 154         Q_ASSERT(action);
 155         if (action) {
 156             action->setEnabled(hasSelection);
 157         }
 158     }
 159
 160     emit m_extension->enableAction("cut", hasSelection);
 161     emit m_extension->enableAction("copy", hasSelection);
 162 }
 163
 164 void DolphinPart::updatePasteAction()
 165 {
 166     QPair<bool, QString> pasteInfo = m_view->pasteInfo();
 167     emit m_extension->enableAction( "paste", pasteInfo.first );
 168     emit m_extension->setActionText( "paste", pasteInfo.second );
 169 }
 170
 171 void DolphinPart::updateViewActions()
 172 {
 173     QAction* action = actionCollection()->action(m_view->currentViewModeActionName());
 174     if (action != 0) {
 175         KToggleAction* toggleAction = static_cast<KToggleAction*>(action);
 176         toggleAction->setChecked(true);
 177     }
 178 }
 179
 180 KAboutData* DolphinPart::createAboutData()
 181 {
 182     return new KAboutData("dolphinpart", "dolphin", ki18nc("@title", "Dolphin Part"), "0.1");
 183 }
 184
 185 bool DolphinPart::openUrl(const KUrl& url)
 186 {
 187     const bool reload = arguments().reload();
 188     if (m_view->url() == url && !reload) { // DolphinView won't do anything in that case, so don't emit started
 189         return true;
 190     }
 191     setUrl(url); // remember it at the KParts level
 192     const QString prettyUrl = url.pathOrUrl();
 193     emit setWindowCaption(prettyUrl);
 194     emit m_extension->setLocationBarUrl(prettyUrl);
 195     emit started(0); // get the wheel to spin
 196     m_view->setUrl(url);
 197     if (reload)
 198         m_view->reload();
 199     return true;
 200 }
 201
 202 void DolphinPart::slotCompleted(const KUrl& url)
 203 {
 204     Q_UNUSED(url)
 205     emit completed();
 206 }
 207
 208 void DolphinPart::slotCanceled(const KUrl& url)
 209 {
 210     slotCompleted(url);
 211 }
 212
 213 void DolphinPart::slotInfoMessage(const QString& msg)
 214 {
 215     emit setStatusBarText(msg);
 216 }
 217
 218 void DolphinPart::slotErrorMessage(const QString& msg)
 219 {
 220     KMessageBox::error(m_view, msg);
 221 }
 222
 223 void DolphinPart::slotRequestItemInfo(const KFileItem& item)
 224 {
 225     emit m_extension->mouseOverInfo(item);
 226 }
 227
 228 void DolphinPart::slotItemTriggered(const KFileItem& item)
 229 {
 230     // MMB click support.
 231     // TODO: this doesn't work, mouseButtons() is always 0.
 232     // Issue N176832 for the missing QAIV signal; task 177399
 233     kDebug() << QApplication::mouseButtons();
 234     if (QApplication::mouseButtons() & Qt::MidButton) {
 235         kDebug() << "MMB!!" << item.mimetype();
 236         if (item.mimeTypePtr()->is("inode/directory")) {
 237             KParts::OpenUrlArguments args;
 238             args.setMimeType( item.mimetype() );
 239             emit m_extension->createNewWindow( item.url(), args );
 240         } else {
 241             kDebug() << "run()";
 242             item.run();
 243         }
 244     } else {
 245         // Left button. [Right button goes to slotOpenContextMenu before triggered can be emitted]
 246         kDebug() << "LMB";
 247         emit m_extension->openUrlRequest(item.url());
 248     }
 249 }
 250
 251 void DolphinPart::slotOpenContextMenu(const KFileItem& _item, const KUrl&)
 252 {
 253     KParts::BrowserExtension::PopupFlags popupFlags = KParts::BrowserExtension::DefaultPopupItems
 254                                                       | KParts::BrowserExtension::ShowProperties
 255                                                       | KParts::BrowserExtension::ShowUrlOperations;
 256     // TODO KonqKfmIconView had if ( !rootItem->isWritable() )
 257     //            popupFlags |= KParts::BrowserExtension::NoDeletion;
 258
 259     KFileItem item(_item);
 260
 261     if (item.isNull()) { // viewport context menu
 262         popupFlags |= KParts::BrowserExtension::ShowNavigationItems | KParts::BrowserExtension::ShowUp;
 263         // TODO get m_dirLister->rootItem if possible. or via kdirmodel?
 264         // and use this as fallback:
 265         item = KFileItem( S_IFDIR, (mode_t)-1, url() );
 266     }
 267
 268     KParts::BrowserExtension::ActionGroupMap actionGroups;
 269     QList<QAction *> editActions;
 270
 271     if (!item.isNull()) { // only for context menu on one or more items
 272         // TODO if ( sMoving )
 273         editActions.append(actionCollection()->action("rename"));
 274
 275         bool addTrash = false;
 276         bool addDel = false;
 277
 278         // TODO if ( sMoving && !isIntoTrash && !isTrashLink )
 279         addTrash = true;
 280
 281         /* TODO if ( sDeleting ) */ {
 282             if ( !item.isLocalFile() )
 283                 addDel = true;
 284             else if (QApplication::keyboardModifiers() & Qt::ShiftModifier) {
 285                 addTrash = false;
 286                 addDel = true;
 287             }
 288             else {
 289                 KConfigGroup configGroup( KGlobal::config(), "KDE" );
 290                 if ( configGroup.readEntry( "ShowDeleteCommand", false) )
 291                     addDel = true;
 292             }
 293         }
 294
 295         if (addTrash)
 296             editActions.append(actionCollection()->action("move_to_trash"));
 297         if (addDel)
 298             editActions.append(actionCollection()->action("delete"));
 299         actionGroups.insert("editactions", editActions);
 300
 301         KFileItemList items; items.append(item);
 302         emit m_extension->popupMenu(QCursor::pos(),
 303                                     items,
 304                                     KParts::OpenUrlArguments(),
 305                                     KParts::BrowserArguments(),
 306                                     popupFlags,
 307                                     actionGroups);
 308     }
 309 }
 310
 311 void DolphinPart::slotViewModeActionTriggered(QAction* action)
 312 {
 313     const DolphinView::Mode mode = action->data().value<DolphinView::Mode>();
 314     m_view->setMode(mode);
 315 }
 316
 317 void DolphinPart::slotUrlChanged(const KUrl& url)
 318 {
 319     if (m_view->url() != url) {
 320         // If the view URL is not equal to 'url', then an inner URL change has
 321         // been done (e. g. by activating an existing column in the column view).
 322         // From the hosts point of view this must be handled like changing the URL.
 323         emit m_extension->openUrlRequestDelayed(url, KParts::OpenUrlArguments(), KParts::BrowserArguments());
 324     }
 325 }
 326
 327 ////
 328
 329 void DolphinPartBrowserExtension::cut()
 330 {
 331     m_part->view()->cutSelectedItems();
 332 }
 333
 334 void DolphinPartBrowserExtension::copy()
 335 {
 336     m_part->view()->copySelectedItems();
 337 }
 338
 339 void DolphinPartBrowserExtension::paste()
 340 {
 341     m_part->view()->paste();
 342 }
 343
 344 ////
 345
 346 void DolphinPart::slotTrashActivated(Qt::MouseButtons, Qt::KeyboardModifiers modifiers)
 347 {
 348     // Note: kde3's konq_mainwindow.cpp used to check
 349     // reason == KAction::PopupMenuActivation && ...
 350     // but this isn't supported anymore
 351     if (modifiers & Qt::ShiftModifier)
 352         m_view->deleteSelectedItems();
 353     else
 354         m_view->trashSelectedItems();
 355 }
 356
 357 void DolphinPart::slotNewDir()
 358 {
 359     KonqOperations::newDir(widget(), url());
 360 }
 361
 362 #include "dolphinpart.moc"