src/settings/general/configurepreviewplugindialog.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2011 by Peter Penz <peter.penz19@gmail.com>             *
   3  *                                                                         *
   4  *   This program is free software; you can redistribute it and/or modify  *
   5  *   it under the terms of the GNU General Public License as published by  *
   6  *   the Free Software Foundation; either version 2 of the License, or     *
   7  *   (at your option) any later version.                                   *
   8  *                                                                         *
   9  *   This program 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         *
  12  *   GNU General Public License for more details.                          *
  13  *                                                                         *
  14  *   You should have received a copy of the GNU General Public License     *
  15  *   along with this program; if not, write to the                         *
  16  *   Free Software Foundation, Inc.,                                       *
  17  *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA          *
  18  ***************************************************************************/
  19
  20 #include "configurepreviewplugindialog.h"
  21
  22 #include <KLibrary>
  23 #include <KLocalizedString>
  24 #include <KIO/NetAccess>
  25 #include <kio/thumbcreator.h>
  26
  27 #include <QApplication>
  28 #include <QDir>
  29 #include <QVBoxLayout>
  30 #include <QUrl>
  31
  32 ConfigurePreviewPluginDialog::ConfigurePreviewPluginDialog(const QString& pluginName,
  33                                                            const QString& desktopEntryName,
  34                                                            QWidget* parent) :
  35     KDialog(parent),
  36     m_configurationWidget(0),
  37     m_previewPlugin(0)
  38 {
  39     KLibrary library(desktopEntryName);
  40     if (library.load()) {
  41         newCreator create = (newCreator)library.resolveFunction("new_creator");
  42         if (create) {
  43             m_previewPlugin = dynamic_cast<ThumbCreatorV2*>(create());
  44         }
  45     }
  46
  47     setCaption(i18nc("@title:window", "Configure Preview for %1", pluginName));
  48     setMinimumWidth(400);
  49     setButtons(Ok | Cancel);
  50     setDefaultButton(Ok);
  51
  52     QWidget* mainWidget = new QWidget(this);
  53     mainWidget->setSizePolicy(QSizePolicy::Preferred, QSizePolicy::Minimum);
  54     QVBoxLayout* layout = new QVBoxLayout(mainWidget);
  55     if (m_previewPlugin) {
  56         m_configurationWidget = m_previewPlugin->createConfigurationWidget();
  57         layout->addWidget(m_configurationWidget);
  58     }
  59     layout->addStretch(1);
  60
  61     setMainWidget(mainWidget);
  62
  63     connect(this, &ConfigurePreviewPluginDialog::okClicked, this, &ConfigurePreviewPluginDialog::slotOk);
  64 }
  65
  66 ConfigurePreviewPluginDialog::~ConfigurePreviewPluginDialog()
  67 {
  68 }
  69
  70 void ConfigurePreviewPluginDialog::slotOk()
  71 {
  72     m_previewPlugin->writeConfiguration(m_configurationWidget);
  73     // TODO: It would be great having a mechanism to tell PreviewJob that only previews
  74     // for a specific MIME-type should be regenerated. As this is not available yet we
  75     // delete the whole thumbnails directory.
  76     QApplication::changeOverrideCursor(Qt::BusyCursor);
  77     KIO::NetAccess::del(QUrl::fromLocalFile(QDir::homePath() + "/.thumbnails/"), this);
  78     QApplication::restoreOverrideCursor();
  79
  80 }
  81