Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.

BUG:215923


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdeaddons@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 413 insertions, 0 deletions

diff --git a/konq-plugins/fsview/fsview_part.cpp b/konq-plugins/fsview/fsview_part.cpp
new file mode 100644
index 0000000..745cb63
--- /dev/null
+++ b/konq-plugins/fsview/fsview_part.cpp
@@ -0,0 +1,413 @@
+/* This file is part of FSView.
+   Copyright (C) 2002, 2003 Josef Weidendorfer <Josef.Weidendorfer@gmx.de>
+
+   KCachegrind is free software; you can redistribute it and/or
+   modify it under the terms of the GNU General Public
+   License as published by the Free Software Foundation, version 2.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; see the file COPYING.  If not, write to
+   the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+   Boston, MA 02110-1301, USA.
+*/
+
+/*
+ * The KPart embedding the FSView widget
+ */
+
+#include <qclipboard.h>
+#include <qtimer.h>
+#include <qwhatsthis.h>
+
+#include <kinstance.h>
+#include <kfiledialog.h>
+#include <kfileitem.h>
+#include <kparts/genericfactory.h>
+#include <kapplication.h>
+#include <kaboutdata.h>
+#include <klocale.h>
+#include <kaction.h>
+#include <kpopupmenu.h>
+#include <kglobalsettings.h>
+#include <kprotocolinfo.h>
+#include <kio/job.h>
+#include <kmessagebox.h>
+
+// from kdebase/libkonq...
+#include <konq_operations.h>
+#include <konq_drag.h>
+
+#include "fsview_part.h"
+
+
+
+
+typedef KParts::GenericFactory<FSViewPart> FSViewPartFactory;
+K_EXPORT_COMPONENT_FACTORY( libfsviewpart, FSViewPartFactory )
+
+
+// FSJob, for progress
+
+FSJob::FSJob(FSView* v)
+  : KIO::Job(false)
+{
+  _view = v;
+  QObject::connect(v, SIGNAL(progress(int,int,const QString&)),
+                   this, SLOT(progressSlot(int,int,const QString&)));
+}
+
+void FSJob::kill(bool quietly)
+{
+  _view->stop();
+
+  Job::kill(quietly);
+}
+
+void FSJob::progressSlot(int percent, int dirs, const QString& cDir)
+{
+  if (percent<100) {
+    emitPercent(percent, 100);
+    slotInfoMessage(this, i18n("Read 1 folder, in %1",
+                               "Read %n folders, in %1",
+                               dirs ).arg(cDir));
+  }
+  else
+    slotInfoMessage(this, i18n("1 folder", "%n folders",  dirs));
+}
+
+
+// FSViewPart
+
+KAboutData* FSViewPart::createAboutData()
+{
+  KAboutData* aboutData;
+  aboutData = new KAboutData("fsview", I18N_NOOP("FSView"), "0.1.1",
+                             I18N_NOOP("Filesystem Utilization Viewer"),
+                             KAboutData::License_GPL,
+                             I18N_NOOP("(c) 2003-2005, Josef Weidendorfer"));
+  return aboutData;
+}
+
+FSViewPart::FSViewPart(QWidget *parentWidget, const char *widgetName,
+                       QObject *parent, const char *name,
+                       const QStringList& /* args */)
+    : KParts::ReadOnlyPart(parent, name)
+{
+    // we need an instance
+    setInstance( FSViewPartFactory::instance() );
+
+    _view = new FSView(new Inode(), parentWidget, widgetName);
+    QWhatsThis::add(_view, i18n("<p>This is the FSView plugin, a graphical "
+				"browsing mode showing filesystem utilization "
+				"by using a tree map visualization.</p>"
+				"<p>Note that in this mode, automatic updating "
+				"when filesystem changes are made "
+				"is intentionally <b>not</b> done.</p>"
+				"<p>For details on usage and options available, "
+				"see the online help under "
+				"menu 'Help/FSView Manual'.</p>"));
+
+    _view->show();
+    setWidget(_view);
+
+    _ext = new FSViewBrowserExtension(this);
+    _job = 0;
+
+    _areaMenu = new KActionMenu (i18n("Stop at Area"),
+				 actionCollection(), "treemap_areadir");
+    _depthMenu = new KActionMenu (i18n("Stop at Depth"),
+				 actionCollection(), "treemap_depthdir");
+    _visMenu = new KActionMenu (i18n("Visualization"),
+				 actionCollection(), "treemap_visdir");
+    _colorMenu = new KActionMenu (i18n("Color Mode"),
+				  actionCollection(), "treemap_colordir");
+
+    KAction* action;
+    action = new KAction( i18n( "&FSView Manual" ), "fsview",
+			KShortcut(), this, SLOT(showHelp()),
+                        actionCollection(), "help_fsview" );
+    action->setToolTip(i18n("Show FSView manual"));
+    action->setWhatsThis(i18n("Opens the help browser with the "
+			      "FSView documentation"));
+
+    QObject::connect (_visMenu->popupMenu(), SIGNAL (aboutToShow()),
+		      SLOT (slotShowVisMenu()));
+    QObject::connect (_areaMenu->popupMenu(), SIGNAL (aboutToShow()),
+		      SLOT (slotShowAreaMenu()));
+    QObject::connect (_depthMenu->popupMenu(), SIGNAL (aboutToShow()),
+		      SLOT (slotShowDepthMenu()));
+    QObject::connect (_colorMenu->popupMenu(), SIGNAL (aboutToShow()),
+		      SLOT (slotShowColorMenu()));
+
+    slotSettingsChanged(KApplication::SETTINGS_MOUSE);
+    if (kapp)
+      connect( kapp, SIGNAL( settingsChanged(int) ),
+	       SLOT( slotSettingsChanged(int) ) );
+
+    QObject::connect(_view,SIGNAL(returnPressed(TreeMapItem*)),
+                     _ext,SLOT(selected(TreeMapItem*)));
+    QObject::connect(_view,SIGNAL(selectionChanged()),
+                     _ext,SLOT(updateActions()));
+    QObject::connect(_view,
+                     SIGNAL(contextMenuRequested(TreeMapItem*,const QPoint&)),
+                     _ext,
+                     SLOT(contextMenu(TreeMapItem*, const QPoint&)));
+
+    QObject::connect(_view, SIGNAL(started()), this, SLOT(startedSlot()));
+    QObject::connect(_view, SIGNAL(completed(int)),
+		     this, SLOT(completedSlot(int)));
+
+    QTimer::singleShot(1, this, SLOT(showInfo()));
+
+    setXMLFile( "fsview_part.rc" );
+}
+
+
+FSViewPart::~FSViewPart()
+{
+  kdDebug(90100) << "FSViewPart Destructor" << endl;
+
+  delete _job;
+  _view->saveFSOptions();
+}
+
+void FSViewPart::slotSettingsChanged(int category)
+{
+  if (category != KApplication::SETTINGS_MOUSE) return;
+
+  QObject::disconnect(_view,SIGNAL(clicked(TreeMapItem*)),
+		      _ext,SLOT(selected(TreeMapItem*)));
+  QObject::disconnect(_view,SIGNAL(doubleClicked(TreeMapItem*)),
+		      _ext,SLOT(selected(TreeMapItem*)));
+  
+  if (KGlobalSettings::singleClick())
+    QObject::connect(_view,SIGNAL(clicked(TreeMapItem*)),
+		     _ext,SLOT(selected(TreeMapItem*)));
+  else
+    QObject::connect(_view,SIGNAL(doubleClicked(TreeMapItem*)),
+		     _ext,SLOT(selected(TreeMapItem*)));
+}
+
+void FSViewPart::showInfo()
+{
+    QString info;
+    info = i18n("FSView intentionally does not support automatic updates "
+		"when changes are made to files or directories, "
+		"currently visible in FSView, from the outside.\n"
+		"For details, see the 'Help/FSView Manual'.");
+
+    KMessageBox::information( _view, info, QString::null, "ShowFSViewInfo");
+}
+
+void FSViewPart::showHelp()
+{
+    KApplication::startServiceByDesktopName("khelpcenter",
+					    QString("help:/konq-plugins/fsview/index.html"));
+}
+
+void FSViewPart::startedSlot()
+{
+  _job = new FSJob(_view);
+  emit started(_job);
+}
+
+void FSViewPart::completedSlot(int dirs)
+{
+  if (_job) {
+    _job->progressSlot(100, dirs, QString::null);
+    delete _job;
+    _job = 0;
+  }
+
+  KConfigGroup cconfig(_view->config(), QCString("MetricCache"));
+  _view->saveMetric(&cconfig);
+
+  emit completed();
+}
+
+void FSViewPart::slotShowVisMenu()
+{
+  _visMenu->popupMenu()->clear();
+  _view->addVisualizationItems(_visMenu->popupMenu(), 1301);
+}
+
+void FSViewPart::slotShowAreaMenu()
+{
+  _areaMenu->popupMenu()->clear();
+  _view->addAreaStopItems(_areaMenu->popupMenu(), 1001, 0);
+}
+
+void FSViewPart::slotShowDepthMenu()
+{
+  _depthMenu->popupMenu()->clear();
+  _view->addDepthStopItems(_depthMenu->popupMenu(), 1501, 0);
+}
+
+void FSViewPart::slotShowColorMenu()
+{
+  _colorMenu->popupMenu()->clear();
+  _view->addColorItems(_colorMenu->popupMenu(), 1401);
+}
+
+bool FSViewPart::openFile() // never called since openURL is reimplemented
+{
+  kdDebug(90100) << "FSViewPart::openFile " << m_file << endl;
+  _view->setPath(m_file);
+
+  return true;
+}
+
+bool FSViewPart::openURL(const KURL &url)
+{
+  kdDebug(90100) << "FSViewPart::openURL " << url.path() << endl;
+
+  if (!url.isValid()) return false;
+  if (!url.isLocalFile()) return false;
+
+  m_url = url;
+  emit setWindowCaption( m_url.prettyURL() );
+
+  _view->setPath(url.path());
+
+  return true;
+}
+
+bool FSViewPart::closeURL()
+{
+  kdDebug(90100) << "FSViewPart::closeURL " << endl;
+
+  _view->stop();
+
+  return true;
+}
+
+// FSViewBrowserExtension
+
+FSViewBrowserExtension::FSViewBrowserExtension(FSViewPart* viewPart,
+                                               const char *name)
+  :KParts::BrowserExtension(viewPart, name)
+{
+  _view = viewPart->view();
+}
+
+FSViewBrowserExtension::~FSViewBrowserExtension()
+{}
+
+void FSViewBrowserExtension::updateActions()
+{
+  TreeMapItemList s = _view->selection();
+  TreeMapItem* i;
+  int canDel = 0, canCopy = 0;
+  KURL::List urls;
+
+  for(i=s.first();i;i=s.next()) {
+    KURL u;
+    u.setPath( ((Inode*)i)->path() );
+    urls.append(u);
+    canCopy++;
+    if (  KProtocolInfo::supportsDeleting(  u ) ) canDel++;
+  }
+  emit enableAction( "copy", canCopy > 0 );
+  emit enableAction( "cut", canDel > 0 );
+  emit enableAction( "trash", canDel > 0);
+  emit enableAction( "del", canDel > 0 );
+  emit enableAction( "editMimeType", ( s.count() == 1 ) );
+
+  emit selectionInfo(urls);
+
+  kdDebug(90100) << "FSViewPart::updateActions, deletable " << canDel << endl;
+}
+
+
+void FSViewBrowserExtension::del()
+{
+  KonqOperations::del(_view, KonqOperations::DEL, _view->selectedUrls());
+  // How to get notified of end of delete operation?
+  // - search for the KonqOperations child of _view (name "KonqOperations")
+  // - connect to destroyed signal
+  KonqOperations* o = (KonqOperations*) _view->child("KonqOperations");
+  if (o) connect(o, SIGNAL(destroyed()), SLOT(refresh()));
+}
+
+void FSViewBrowserExtension::trash()
+{
+  KonqOperations::del(_view, KonqOperations::TRASH, _view->selectedUrls());
+  KonqOperations* o = (KonqOperations*) _view->child("KonqOperations");
+  if (o) connect(o, SIGNAL(destroyed()), SLOT(refresh()));
+}
+
+void FSViewBrowserExtension::copySelection( bool move )
+{
+  KonqDrag *urlData = KonqDrag::newDrag( _view->selectedUrls(), move );
+  QApplication::clipboard()->setData( urlData );
+}
+
+void FSViewBrowserExtension::editMimeType()
+{
+  Inode* i = (Inode*) _view->selection().first();
+  if (i)
+    KonqOperations::editMimeType( i->mimeType()->name() );
+}
+
+
+// refresh treemap at end of KIO jobs
+void FSViewBrowserExtension::refresh()
+{
+  // only need to refresh common ancestor for all selected items
+  TreeMapItemList s = _view->selection();
+  TreeMapItem *i, *commonParent = s.first();
+  if (!commonParent) return;
+  while( (i=s.next()) )
+    commonParent = commonParent->commonParent(i);
+
+  /* if commonParent is a file, update parent directory */
+  if ( !((Inode*)commonParent)->isDir() ) {
+    commonParent = commonParent->parent();
+    if (!commonParent) return;
+  }
+
+  kdDebug(90100) << "FSViewPart::refreshing "
+	    << ((Inode*)commonParent)->path() << endl;
+
+  _view->requestUpdate( (Inode*)commonParent );
+}
+
+void FSViewBrowserExtension::selected(TreeMapItem* i)
+{
+  if (!i) return;
+
+  KURL url;
+  url.setPath( ((Inode*)i)->path() );
+  emit openURLRequest(url);
+}
+
+void FSViewBrowserExtension::contextMenu(TreeMapItem* /*item*/,const QPoint& p)
+{
+    TreeMapItemList s = _view->selection();
+    TreeMapItem* i;
+    KFileItemList items;
+    items.setAutoDelete(true);
+
+    for(i=s.first();i;i=s.next()) {
+	KURL u;
+	u.setPath( ((Inode*)i)->path() );
+	QString mimetype = ((Inode*)i)->mimeType()->name();
+	const QFileInfo& info = ((Inode*)i)->fileInfo();
+	mode_t mode =
+	    info.isFile() ? S_IFREG :
+	    info.isDir() ? S_IFDIR :
+	    info.isSymLink() ? S_IFLNK : (mode_t)-1;
+	items.append(new KFileItem(u, mimetype, mode));
+    }
+
+    if (items.count()>0)
+      emit popupMenu(_view->mapToGlobal(p), items);
+}
+
+
+#include "fsview_part.moc"