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