MessageFieldTreeWidget.h

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/******************************************************************************
 * Copyright (C) 2015 by Ralf Kaestner                                        *
 * ralf.kaestner@gmail.com                                                    *
 *                                                                            *
 * This program is free software; you can redistribute it and/or modify       *
 * it under the terms of the Lesser GNU General Public License as published by*
 * the Free Software Foundation; either version 3 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               *
 * Lesser GNU General Public License for more details.                        *
 *                                                                            *
 * You should have received a copy of the Lesser GNU General Public License   *
 * along with this program. If not, see <http://www.gnu.org/licenses/>.       *
 ******************************************************************************/

#ifndef RQT_MULTIPLOT_MESSAGE_FIELD_TREE_WIDGET_H
#define RQT_MULTIPLOT_MESSAGE_FIELD_TREE_WIDGET_H

#include <QTreeWidget>

#include <variant_topic_tools/MessageDataType.h>

namespace rqt_multiplot {
  class MessageFieldTreeWidget :
    public QTreeWidget {
  Q_OBJECT
  public:
    MessageFieldTreeWidget(QWidget* parent = 0);
    virtual ~MessageFieldTreeWidget();
  
    void setMessageDataType(const variant_topic_tools::MessageDataType&
      dataType);
    variant_topic_tools::MessageDataType getMessageDataType() const;
    void setCurrentField(const QString& field);
    QString getCurrentField() const;
    variant_topic_tools::DataType getCurrentFieldDataType() const;
    bool isCurrentFieldDefined() const;
    
  signals:
    void currentFieldChanged(const QString& field);
    
  private:
    QString currentField_;
    
    void setCurrentItem(const QString& field);
    
    void addField(const variant_topic_tools::MessageVariable& variable,
      QTreeWidgetItem* parent = 0);
    
    QTreeWidgetItem* findChild(QTreeWidgetItem* item, int column, const
      QString& text) const;
    
  private slots:
    void currentItemChanged(QTreeWidgetItem* current, QTreeWidgetItem*
      previous);
    void spinBoxIndexValueChanged(int value);
  };
};

#endif