Allow to configure thumbnail-plugins

Adjust the preview-settings to allow users to configure thumbnail-plugins. For consistency also the service-settings have been adjusted to use the ServiceModel and ServiceItemDelegate.

1 files changed, 81 insertions, 0 deletions

diff --git a/src/settings/general/configurepreviewplugindialog.cpp b/src/settings/general/configurepreviewplugindialog.cpp
new file mode 100644
index 000000000..c1a507a65
--- /dev/null
+++ b/src/settings/general/configurepreviewplugindialog.cpp
@@ -0,0 +1,81 @@
+/***************************************************************************
+ *   Copyright (C) 2011 by Peter Penz <[email protected]>             *
+ *                                                                         *
+ *   This program 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; either version 2 of the License, or     *
+ *   (at your option) any later version.                                   *
+ *                                                                         *
+ *   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; if not, write to the                         *
+ *   Free Software Foundation, Inc.,                                       *
+ *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA          *
+ ***************************************************************************/
+
+#include "configurepreviewplugindialog.h"
+
+#include <KLibrary>
+#include <KLocale>
+#include <KIO/NetAccess>
+#include <kio/thumbcreator.h>
+
+#include <QApplication>
+#include <QDir>
+#include <QVBoxLayout>
+
+ConfigurePreviewPluginDialog::ConfigurePreviewPluginDialog(const QString& pluginName,
+                                                           const QString& desktopEntryName,
+                                                           QWidget* parent) :
+    KDialog(parent),
+    m_configurationWidget(0),
+    m_previewPlugin(0)
+{
+    KLibrary library(desktopEntryName);
+    if (library.load()) {
+        newCreator create = (newCreator)library.resolveFunction("new_creator");
+        if (create) {
+            m_previewPlugin = dynamic_cast<ThumbCreatorV2*>(create());
+        }
+    }
+
+    setCaption(i18nc("@title:window", "Configure Preview for %1", pluginName));
+    setMinimumWidth(400);
+    setButtons(Ok | Cancel);
+    setDefaultButton(Ok);
+
+    QWidget* mainWidget = new QWidget(this);
+    mainWidget->setSizePolicy(QSizePolicy::Preferred, QSizePolicy::Minimum);
+    QVBoxLayout* layout = new QVBoxLayout(mainWidget);
+    if (m_previewPlugin) {
+        m_configurationWidget = m_previewPlugin->createConfigurationWidget();
+        layout->addWidget(m_configurationWidget);
+    }
+    layout->addStretch(1);
+
+    setMainWidget(mainWidget);
+
+    connect(this, SIGNAL(okClicked()), this, SLOT(slotOk()));
+}
+
+ConfigurePreviewPluginDialog::~ConfigurePreviewPluginDialog()
+{
+}
+
+void ConfigurePreviewPluginDialog::slotOk()
+{
+    m_previewPlugin->writeConfiguration(m_configurationWidget);
+    // TODO: It would be great having a mechanism to tell PreviewJob that only previews
+    // for a specific MIME-type should be regenerated. As this is not available yet we
+    // delete the whole thumbnails directory.
+    QApplication::changeOverrideCursor(Qt::BusyCursor);
+    KIO::NetAccess::del(QDir::homePath() + "/.thumbnails/", this);
+    QApplication::restoreOverrideCursor();
+
+}
+
+#include "configurepreviewplugindialog.moc"