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 <kactioncollection.h>
  22 #include <ktoggleaction.h>
  23 #include <QActionGroup>
  24 #include "dolphinsortfilterproxymodel.h"
  25 #include "dolphinview.h"
  26 #include "dolphinmodel.h"
  27
  28 #include <kdirlister.h>
  29 #include <kmessagebox.h>
  30 #include <kparts/browserextension.h>
  31 #include <kparts/genericfactory.h>
  32 #include <QApplication>
  33
  34 typedef KParts::GenericFactory<DolphinPart> DolphinPartFactory;
  35 K_EXPORT_COMPONENT_FACTORY(dolphinpart, DolphinPartFactory)
  36
  37 class DolphinPartBrowserExtension : public KParts::BrowserExtension
  38 {
  39 public:
  40     DolphinPartBrowserExtension( KParts::ReadOnlyPart* part )
  41         : KParts::BrowserExtension( part ) {}
  42 };
  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     m_dirLister = new KDirLister;
  52     m_dirLister->setAutoUpdate(true);
  53     m_dirLister->setMainWindow(parentWidget->topLevelWidget());
  54     m_dirLister->setDelayedMimeTypes(true);
  55
  56     //connect(m_dirLister, SIGNAL(started(KUrl)), this, SLOT(slotStarted()));
  57     connect(m_dirLister, SIGNAL(completed(KUrl)), this, SLOT(slotCompleted(KUrl)));
  58     connect(m_dirLister, SIGNAL(canceled(KUrl)), this, SLOT(slotCanceled(KUrl)));
  59
  60     m_dolphinModel = new DolphinModel(this);
  61     m_dolphinModel->setDirLister(m_dirLister);
  62
  63     m_proxyModel = new DolphinSortFilterProxyModel(this);
  64     m_proxyModel->setSourceModel(m_dolphinModel);
  65
  66     m_view = new DolphinView(parentWidget,
  67                              KUrl(),
  68                              m_dirLister,
  69                              m_dolphinModel,
  70                              m_proxyModel);
  71     setWidget(m_view);
  72
  73     setXMLFile("dolphinpart.rc");
  74
  75     connect(m_view, SIGNAL(infoMessage(QString)),
  76             this, SLOT(slotInfoMessage(QString)));
  77     connect(m_view, SIGNAL(errorMessage(QString)),
  78             this, SLOT(slotErrorMessage(QString)));
  79     connect(m_view, SIGNAL(itemTriggered(KFileItem)),
  80             this, SLOT(slotItemTriggered(KFileItem)));
  81     connect(m_view, SIGNAL(requestContextMenu(KFileItem, const KUrl&)),
  82             this, SLOT(slotOpenContextMenu(KFileItem, const KUrl&)));
  83     connect(m_view, SIGNAL(selectionChanged(KFileItemList)),
  84             m_extension, SIGNAL(selectionInfo(KFileItemList)));
  85     connect(m_view, SIGNAL(requestItemInfo(KFileItem)),
  86             this, SLOT(slotRequestItemInfo(KFileItem)));
  87     connect(m_view, SIGNAL(urlChanged(const KUrl&)),
  88             this, SLOT(slotUrlChanged(const KUrl&)));
  89
  90     createActions();
  91     updateViewActions();
  92
  93     // TODO provide these actions in the menu, merged with the existing view-mode-actions somehow
  94     // [Q_PROPERTY introspection?]
  95
  96     // TODO sort_by_* actions
  97     // TODO show_*_info actions
  98
  99     // TODO connect to urlsDropped
 100
 101     // TODO there was a "always open a new window" (when clicking on a directory) setting in konqueror
 102     // (sort of spacial navigation)
 103
 104     // TODO MMB-click should do something like KonqDirPart::mmbClicked
 105
 106     // TODO updating the paste action
 107     // if (paste) emit m_extension->setActionText( "paste", actionText );
 108     // emit m_extension->enableAction( "paste", paste );
 109
 110     // TODO updating the trash and del actions too - or removing special handling of those from konq?
 111 }
 112
 113 DolphinPart::~DolphinPart()
 114 {
 115     delete m_dirLister;
 116 }
 117
 118 void DolphinPart::createActions()
 119 {
 120     QActionGroup* viewModeActions = new QActionGroup(this);
 121     viewModeActions->addAction(DolphinView::iconsModeAction(actionCollection()));
 122     viewModeActions->addAction(DolphinView::detailsModeAction(actionCollection()));
 123     viewModeActions->addAction(DolphinView::columnsModeAction(actionCollection()));
 124     connect(viewModeActions, SIGNAL(triggered(QAction*)), this, SLOT(slotViewModeActionTriggered(QAction*)));
 125 }
 126
 127 void DolphinPart::updateViewActions()
 128 {
 129     QAction* action = actionCollection()->action(m_view->currentViewModeActionName());
 130     if (action != 0) {
 131         KToggleAction* toggleAction = static_cast<KToggleAction*>(action);
 132         toggleAction->setChecked(true);
 133     }
 134 }
 135
 136 KAboutData* DolphinPart::createAboutData()
 137 {
 138     return new KAboutData("dolphinpart", 0, ki18nc("@title", "Dolphin Part"), "0.1");
 139 }
 140
 141 bool DolphinPart::openUrl(const KUrl& url)
 142 {
 143     const bool reload = arguments().reload();
 144     if (m_view->url() == url && !reload) { // DolphinView won't do anything in that case, so don't emit started
 145         return true;
 146     }
 147     setUrl(url); // remember it at the KParts level
 148     const QString prettyUrl = url.pathOrUrl();
 149     emit setWindowCaption(prettyUrl);
 150     emit m_extension->setLocationBarUrl(prettyUrl);
 151     m_view->setUrl(url);
 152     if (reload)
 153         m_view->reload();
 154     emit started(0); // get the wheel to spin
 155     return true;
 156 }
 157
 158 void DolphinPart::slotCompleted(const KUrl& url)
 159 {
 160     Q_UNUSED(url)
 161     emit completed();
 162 }
 163
 164 void DolphinPart::slotCanceled(const KUrl& url)
 165 {
 166     slotCompleted(url);
 167 }
 168
 169 void DolphinPart::slotInfoMessage(const QString& msg)
 170 {
 171     emit setStatusBarText(msg);
 172 }
 173
 174 void DolphinPart::slotErrorMessage(const QString& msg)
 175 {
 176     KMessageBox::error(m_view, msg);
 177 }
 178
 179 void DolphinPart::slotRequestItemInfo(const KFileItem& item)
 180 {
 181     emit m_extension->mouseOverInfo(item);
 182 }
 183
 184 void DolphinPart::slotItemTriggered(const KFileItem& item)
 185 {
 186     qDebug() << QApplication::mouseButtons();
 187     if (QApplication::mouseButtons() & Qt::MidButton) {
 188         qDebug() << "MMB!!" << item.mimetype();
 189         if (item.mimeTypePtr()->is("inode/directory")) {
 190             KParts::OpenUrlArguments args;
 191             args.setMimeType( item.mimetype() );
 192             emit m_extension->createNewWindow( item.url(), args );
 193         } else {
 194             qDebug() << "run()";
 195             item.run();
 196         }
 197     } else {
 198         // Left button. [Right button goes to slotOpenContextMenu before triggered can be emitted]
 199         qDebug() << "LMB";
 200         emit m_extension->openUrlRequest(item.url());
 201     }
 202 }
 203
 204 void DolphinPart::slotOpenContextMenu(const KFileItem& _item, const KUrl&)
 205 {
 206     KParts::BrowserExtension::PopupFlags popupFlags = KParts::BrowserExtension::DefaultPopupItems
 207                                                       | KParts::BrowserExtension::ShowProperties
 208                                                       | KParts::BrowserExtension::ShowUrlOperations;
 209     // TODO KonqKfmIconView had if ( !rootItem->isWritable() )
 210     //            popupFlags |= KParts::BrowserExtension::NoDeletion;
 211
 212     KFileItem item(_item);
 213
 214     if (item.isNull()) { // viewport context menu
 215         popupFlags |= KParts::BrowserExtension::ShowNavigationItems | KParts::BrowserExtension::ShowUp;
 216         // TODO get m_dirLister->rootItem if possible. or via kdirmodel?
 217         // and use this as fallback:
 218         item = KFileItem( S_IFDIR, (mode_t)-1, url() );
 219     }
 220
 221     KFileItemList items; items.append(item);
 222     emit m_extension->popupMenu( QCursor::pos(), items, KParts::OpenUrlArguments(), KParts::BrowserArguments(), popupFlags );
 223 }
 224
 225 void DolphinPart::slotViewModeActionTriggered(QAction* action)
 226 {
 227     const DolphinView::Mode mode = action->data().value<DolphinView::Mode>();
 228     m_view->setMode(mode);
 229 }
 230
 231 void DolphinPart::slotUrlChanged(const KUrl& url)
 232 {
 233     if (m_view->url() != url) {
 234         // If the view URL is not equal to 'url', then an inner URL change has
 235         // been done (e. g. by activating an existing column in the column view).
 236         // From the hosts point of view this must be handled like changing the URL.
 237         emit m_extension->openUrlRequest(url);
 238     }
 239 }
 240
 241 #include "dolphinpart.moc"