select_topic_dialog.h

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#ifndef MAPVIZ_SELECT_TOPIC_DIALOG_H_
#define MAPVIZ_SELECT_TOPIC_DIALOG_H_

#include <set>
#include <string>
#include <vector>

#include <QDialog>

#include <ros/master.h>

QT_BEGIN_NAMESPACE
class QLineEdit;
class QListWidget;
class QPushButton;
QT_END_NAMESPACE

namespace mapviz
{
class SelectTopicDialog : public QDialog
{
  Q_OBJECT;

 public:
  static ros::master::TopicInfo selectTopic(
    const std::string &datatype,
    QWidget *parent=0);

  static ros::master::TopicInfo selectTopic(
    const std::string &datatype1,
    const std::string &datatype2,
    QWidget *parent=0);

  static ros::master::TopicInfo selectTopic(
    const std::vector<std::string> &datatypes,
    QWidget *parent=0);
  
  static std::vector<ros::master::TopicInfo> selectTopics(
    const std::string &datatype,
    QWidget *parent=0);

  static std::vector<ros::master::TopicInfo> selectTopics(
    const std::string &datatype1,
    const std::string &datatype2,
    QWidget *parent=0);

  static std::vector<ros::master::TopicInfo> selectTopics(
    const std::vector<std::string> &datatypes,
    QWidget *parent=0);

  SelectTopicDialog(QWidget *parent=0);
  
  void allowMultipleTopics(bool allow);

  void setDatatypeFilter(const std::vector<std::string> &datatypes);

  ros::master::TopicInfo selectedTopic() const;
  std::vector<ros::master::TopicInfo> selectedTopics() const;

 private:
  void timerEvent(QTimerEvent *);
  void closeEvent(QCloseEvent *);

  std::vector<ros::master::TopicInfo> filterTopics(
    const std::vector<ros::master::TopicInfo> &) const;

 private Q_SLOTS:
  void fetchTopics();
  void updateDisplayedTopics();

 private:
  std::set<std::string> allowed_datatypes_;
  std::vector<ros::master::TopicInfo> known_topics_;
  std::vector<ros::master::TopicInfo> displayed_topics_;
  int fetch_topics_timer_id_;

  QPushButton *ok_button_;
  QPushButton *cancel_button_;
  QListWidget *list_widget_;
  QLineEdit *name_filter_;
};  // class SelectTopicDialog
}  // namespace mapviz
#endif  // MAPVIZ_SELECT_TOPIC_DIALOG_H_