profile_tree_widget.h

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#ifndef SWRI_PROFILER_TOOLS_PROFILE_TREE_WIDGET_H_
#define SWRI_PROFILER_TOOLS_PROFILE_TREE_WIDGET_H_

#include <unordered_map>

#include <QWidget>
#include <swri_profiler_tools/database_key.h>

QT_BEGIN_NAMESPACE
class QPoint;
class QTreeWidget;
class QTreeWidgetItem;
QT_END_NAMESPACE

namespace swri_profiler_tools
{
class ProfileDatabase;
class Profile;

class ProfileTreeWidget : public QWidget
{
  Q_OBJECT;

  ProfileDatabase *db_;
  QTreeWidget *tree_widget_;

  DatabaseKey active_key_;
  std::unordered_map<DatabaseKey, QTreeWidgetItem*> items_;
  
 public:
  ProfileTreeWidget(QWidget *parent=0);
  ~ProfileTreeWidget();

  void setDatabase(ProfileDatabase *db);

 Q_SIGNALS:
  void activeNodeChanged(int profile_key, int node_key);

 public Q_SLOTS:
  void setActiveNode(int profile_key, int node_key);
                                       
 private Q_SLOTS:
  void handleProfileAdded(int profile_key);
  void handleNodesAdded(int profile_key);

  void handleItemActivated(QTreeWidgetItem *item, int column);
  void handleTreeContextMenuRequest(const QPoint &pos);

 private:
  void synchronizeWidget();
  void addProfile(int profile_key);
  void addNode(QTreeWidgetItem *parent, const Profile &profile, const int node_key);

  QString nameForKey(const DatabaseKey &key) const;
  void markItemActive(const DatabaseKey &key);
  void markItemInactive(const DatabaseKey &key);
};  // class ProfileTreeWidget
}  // namespace swri_profiler_tools
#endif  // SWRI_PROFILER_TOOLS_PROFILE_TREE_WIDGET_H_