SearchHistory.h

/*
 * header file for SearchHistory class
 * written by: christian moellinger <ch.moellinger@gmail.com>
 * 03/2011 - 06/2011 Project "InfoVis: Word Tree"
 */

#ifndef SEARCHHISTORY_H
#define SEARCHHISTORY_H

#include <QDialog>
#include <map>

class WTVisualizedTree;
class QListWidgetItem;

namespace Ui {
    class SearchHistory;
}

class SearchHistory : public QDialog
{
    Q_OBJECT

public:
    /*! \name Construction / Destruction */
    //@{
        /// Constructor
        explicit SearchHistory(QWidget *parent = 0);

        /// Destructor
        ~SearchHistory();
    //@}

    /*! \name Methods */
    //@{
        /// adds a new search to the list and stores the result tree
        void AddNewSearch(QString sSearchTerm, QSharedPointer<WTVisualizedTree> spVisualizedTree);
    //@}

    /*! \name Methods */
    //@{
        /// returns the last search to the reference parameters and true as retun value if successfull, else false
        bool GetLastSearch(std::string &rsSearchPhrase, QSharedPointer<WTVisualizedTree> &rspVisualizedTree);
    //@}

signals:
    /*! \name Signals */
    //@{
        /// emitted when a new search is requested (e.g. by clicking on a entry in the search window)
        void EmitSearch(QString sSearchTerm);
    //@}

private slots:
    /*! \name Private slots */
    //@{
        /// handles the click on an item of the list
        void HandleItemClicked(QListWidgetItem * pClickedItem);

        /// clears the history
        void ClearHistory();
    //@}

private:
    /*! \name Private members */
    //@{
        Ui::SearchHistory *ui;

        std::string m_sLastSearchPhrase;
        QSharedPointer<WTVisualizedTree> m_spLastAddedTree;
        std::map<QString, QSharedPointer<WTVisualizedTree> > m_mAlreadyVisualizedTrees;
    //@}
};

#endif // SEARCHHISTORY_H