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 connect to urlsDropped
  97
  98     // TODO there was a "always open a new window" (when clicking on a directory) setting in konqueror
  99     // (sort of spacial navigation)
 100
 101     // TODO MMB-click should do something like KonqDirPart::mmbClicked
 102
 103     // TODO updating the paste action
 104     // if (paste) emit m_extension->setActionText( "paste", actionText );
 105     // emit m_extension->enableAction( "paste", paste );
 106
 107     // TODO updating the trash and del actions too - or removing special handling of those from konq?
 108 }
 109
 110 DolphinPart::~DolphinPart()
 111 {
 112     delete m_dirLister;
 113 }
 114
 115 void DolphinPart::createActions()
 116 {
 117     QActionGroup* viewModeActions = new QActionGroup(this);
 118     viewModeActions->addAction(DolphinView::iconsModeAction(actionCollection()));
 119     viewModeActions->addAction(DolphinView::detailsModeAction(actionCollection()));
 120     viewModeActions->addAction(DolphinView::columnsModeAction(actionCollection()));
 121     connect(viewModeActions, SIGNAL(triggered(QAction*)), this, SLOT(slotViewModeActionTriggered(QAction*)));
 122 }
 123
 124 void DolphinPart::updateViewActions()
 125 {
 126     QAction* action = actionCollection()->action(m_view->currentViewModeActionName());
 127     if (action != 0) {
 128         KToggleAction* toggleAction = static_cast<KToggleAction*>(action);
 129         toggleAction->setChecked(true);
 130     }
 131 }
 132
 133 KAboutData* DolphinPart::createAboutData()
 134 {
 135     return new KAboutData("dolphinpart", 0, ki18nc("@title", "Dolphin Part"), "0.1");
 136 }
 137
 138 bool DolphinPart::openUrl(const KUrl& url)
 139 {
 140     const QString prettyUrl = url.pathOrUrl();
 141     emit setWindowCaption(prettyUrl);
 142     emit m_extension->setLocationBarUrl(prettyUrl);
 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     m_view->setUrl(url);
 149     if (reload)
 150         m_view->reload();
 151     emit started(0); // get the wheel to spin
 152     return true;
 153 }
 154
 155 void DolphinPart::slotCompleted(const KUrl& url)
 156 {
 157     Q_UNUSED(url)
 158     emit completed();
 159 }
 160
 161 void DolphinPart::slotCanceled(const KUrl& url)
 162 {
 163     slotCompleted(url);
 164 }
 165
 166 void DolphinPart::slotInfoMessage(const QString& msg)
 167 {
 168     emit setStatusBarText(msg);
 169 }
 170
 171 void DolphinPart::slotErrorMessage(const QString& msg)
 172 {
 173     KMessageBox::error(m_view, msg);
 174 }
 175
 176 void DolphinPart::slotRequestItemInfo(const KFileItem& item)
 177 {
 178     emit m_extension->mouseOverInfo(item);
 179 }
 180
 181 void DolphinPart::slotItemTriggered(const KFileItem& item)
 182 {
 183     qDebug() << QApplication::mouseButtons();
 184     if (QApplication::mouseButtons() & Qt::MidButton) {
 185         qDebug() << "MMB!!" << item.mimetype();
 186         if (item.mimeTypePtr()->is("inode/directory")) {
 187             KParts::OpenUrlArguments args;
 188             args.setMimeType( item.mimetype() );
 189             emit m_extension->createNewWindow( item.url(), args );
 190         } else {
 191             qDebug() << "run()";
 192             item.run();
 193         }
 194     } else {
 195         // Left button. [Right button goes to slotOpenContextMenu before triggered can be emitted]
 196         qDebug() << "LMB";
 197         emit m_extension->openUrlRequest(item.url());
 198     }
 199 }
 200
 201 void DolphinPart::slotOpenContextMenu(const KFileItem& _item, const KUrl&)
 202 {
 203     KParts::BrowserExtension::PopupFlags popupFlags = KParts::BrowserExtension::DefaultPopupItems
 204                                                       | KParts::BrowserExtension::ShowProperties
 205                                                       | KParts::BrowserExtension::ShowUrlOperations;
 206     // TODO KonqKfmIconView had if ( !rootItem->isWritable() )
 207     //            popupFlags |= KParts::BrowserExtension::NoDeletion;
 208
 209     KFileItem item(_item);
 210
 211     if (item.isNull()) { // viewport context menu
 212         popupFlags |= KParts::BrowserExtension::ShowNavigationItems | KParts::BrowserExtension::ShowUp;
 213         // TODO get m_dirLister->rootItem if possible. or via kdirmodel?
 214         // and use this as fallback:
 215         item = KFileItem( S_IFDIR, (mode_t)-1, url() );
 216     }
 217
 218     KFileItemList items; items.append(item);
 219     emit m_extension->popupMenu( QCursor::pos(), items, KParts::OpenUrlArguments(), KParts::BrowserArguments(), popupFlags );
 220 }
 221
 222 void DolphinPart::slotViewModeActionTriggered(QAction* action)
 223 {
 224     const DolphinView::Mode mode = action->data().value<DolphinView::Mode>();
 225     m_view->setMode(mode);
 226 }
 227
 228 void DolphinPart::slotUrlChanged(const KUrl& url)
 229 {
 230     if (m_view->url() != url) {
 231         // If the view URL is not equal to 'url', then an inner URL change has
 232         // been done (e. g. by activating an existing column in the column view).
 233         // From the hosts point of view this must be handled like changing the URL.
 234         emit m_extension->openUrlRequest(url);
 235     }
 236 }
 237
 238 #include "dolphinpart.moc"