dialogPluginPicker.h

/* ********************************************************************
    itom software
    URL: http://www.uni-stuttgart.de/ito
    Copyright (C) 2020, Institut für Technische Optik (ITO),
    Universität Stuttgart, Germany
 
    This file is part of itom.
 
    itom is free software; you can redistribute it and/or modify it
    under the terms of the GNU Library General Public Licence as published by
    the Free Software Foundation; either version 2 of the Licence, or (at
    your option) any later version.
 
    itom 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 Library
    General Public Licence for more details.
 
    You should have received a copy of the GNU Library General Public License
    along with itom. If not, see <http://www.gnu.org/licenses/>.
*********************************************************************** */
 
#ifndef DIALOGPLUGINPICKER_H
#define DIALOGPLUGINPICKER_H
 
#include "../../common/addInInterface.h"
#include "../../common/sharedStructures.h"
 
#include <QtGui>
#include <qdialog.h>
#include <qvector.h>
 
#include "../../AddInManager/addInManager.h"
#include "../../AddInManager/pluginModel.h"
#include <qsortfilterproxymodel.h>
 
#include "ui_dialogPluginPicker.h"
 
namespace ito {
 
class PickerSortFilterProxyModel : public QSortFilterProxyModel
{
public:
    PickerSortFilterProxyModel(QObject *parent = 0) : QSortFilterProxyModel(parent), m_minimumMask(0x0), m_pluginName(QString()), m_showPluginsWithoutInstance(false) {};
    ~PickerSortFilterProxyModel() {};
 
    inline void setPluginMinimumMask( const int minimumMask )
    {
        m_minimumMask = minimumMask;
        invalidateFilter();
    };
 
    inline void setPluginName( QString &name )
    {
        m_pluginName = name;
        invalidateFilter();
    }
 
    inline void showPluginsWithoutInstance(bool show)
    {
        m_showPluginsWithoutInstance = show;
        invalidateFilter();
    };
 
protected:
    bool filterAcceptsRow(int sourceRow, const QModelIndex &sourceParent) const
    {
        QModelIndex idx = sourceModel()->index(sourceRow, 0, sourceParent);
        int type = sourceModel()->data(idx, Qt::UserRole + 1).toInt();
        int itemType = sourceModel()->data(idx, Qt::UserRole + 3).toInt();
 
 
        if(!m_showPluginsWithoutInstance)
        {
            int itemType = sourceModel()->data(idx, Qt::UserRole + 3).toInt();
            if(itemType == ito::PlugInModel::itemPlugin && sourceModel()->hasChildren(idx) == false)
            {
                return false;
            }
        }
 
        if(!m_pluginName.isNull() && itemType == ito::PlugInModel::itemPlugin )
        {
            if( QString::compare( sourceModel()->data(idx, Qt::DisplayRole).toString(), m_pluginName, Qt::CaseInsensitive ) != 0)
            {
                return false;
            }
        }
 
        if(type == ito::typeAlgo)
        {
            return false; //never allow algorithms or widgets
        }
 
        return (type & m_minimumMask) == m_minimumMask;
    }
 
private:
    int m_minimumMask;
    QString m_pluginName; //default QString()
    bool m_showPluginsWithoutInstance;
};
 
} //end namespace ito
 
namespace ito {
 
 
class DialogPluginPicker : public QDialog
{
    Q_OBJECT
 
public:
    DialogPluginPicker(bool allowNewInstances, ito::AddInBase *currentItem, int minimumPluginTypeMask = 0x0, QString pluginName = QString(), QWidget *parent = NULL );
    ~DialogPluginPicker() {};
 
    ito::AddInBase* getSelectedInstance();
 
protected:
 
private:
    void itemClicked(const QModelIndex &index);
    Ui::DialogPluginPicker ui;
    PickerSortFilterProxyModel *m_pFilterModel;
 
private slots:
    void itemDblClicked(const QModelIndex &index);
    void showPluginsWithoutInstance(bool checked);
    void createNewInstance(bool checked);
    void selectionChanged(const QItemSelection& newSelection, const QItemSelection& oldSelection);
 
};
 
} //end namespace ito
 
#endif