SearchDialog.hpp

/*
 * Stellarium
 * Copyright (C) 2008 Guillaume Chereau
 * 
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * 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
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Suite 500, Boston, MA  02110-1335, USA.
*/
 
#ifndef _SEARCHDIALOG_HPP_
#define _SEARCHDIALOG_HPP_

#include <QObject>
#include <QLabel>
#include <QMap>
#include <QHash>
#include "StelDialog.hpp"
#include "VecMath.hpp"

// pre declaration of the ui class
class Ui_searchDialogForm;

struct stringLengthCompare
{
    bool operator()(const QString &s1, const QString &s2) const
    {
        return s1.length() < s2.length();
    }
};

class CompletionLabel : public QLabel
{
    Q_OBJECT

public:
    CompletionLabel(QWidget* parent=0);
    ~CompletionLabel();

    QString getSelected(void);
    void setValues(const QStringList&);
    bool isEmpty() const {return values.isEmpty();}
    void appendValues(const QStringList&);
    void clearValues();
    
public slots:
    void selectNext();
    void selectPrevious();
    void selectFirst();

private:
    void updateText();
    int selectedIdx;
    QStringList values;
};

QT_FORWARD_DECLARE_CLASS(QListWidgetItem)

class SearchDialog : public StelDialog
{
    Q_OBJECT
    Q_ENUMS(CoordinateSystem)

public:
    enum CoordinateSystem
    {
        equatorialJ2000,
        equatorial,
        horizontal,
        galactic,
        supergalactic,
        ecliptic,
        eclipticJ2000
    };

    SearchDialog(QObject* parent);
    virtual ~SearchDialog();
    void styleChanged();
    bool eventFilter(QObject *object, QEvent *event);


    static QString substituteGreek(const QString& keyString);
    static QString getGreekLetterByName(const QString& potentialGreekLetterName);
    static const char* DEF_SIMBAD_URL;
public slots:
    void retranslate();
    void setSimpleStyle();

    void setCurrentCoordinateSystem(CoordinateSystem cs)
    {
        currentCoordinateSystem = cs;
    }
    CoordinateSystem getCurrentCoordinateSystem() const
    {
        return currentCoordinateSystem;
    }
    QString getCurrentCoordinateSystemKey(void) const;
    void setCurrentCoordinateSystemKey(QString key);

    void setCoordinateSystem(int csID);
    void populateCoordinateSystemsList();
    void populateCoordinateAxis();

protected:
    Ui_searchDialogForm* ui;
    virtual void createDialogContent();

private slots:
    void greekLetterClicked();
    void onSimbadStatusChanged();
    void onSearchTextChanged(const QString& text);
    
    void gotoObject();
    void gotoObject(const QString& nameI18n);
    // for going from list views
    void gotoObject(QListWidgetItem* item);

    void searchListChanged(const QString& newText);
    
    void manualPositionChanged();

    void enableSimbadSearch(bool enable);

    void enableStartOfWordsAutofill(bool enable);

    void enableLockPosition(bool enable);

    void setHasSelectedFlag();

    void selectSimbadServer(int index);

    void updateListWidget(int index);

    // retranslate/recreate tab
    void updateListTab();

    void showContextMenu(const QPoint &pt);

    void pasteAndGo();

private:
    class SearchDialogStaticData
    {
    public:
        QHash<QString, QString> greekLetters;

        SearchDialogStaticData()
        {
            greekLetters.insert("alpha", QString(QChar(0x03B1)));
            greekLetters.insert("beta", QString(QChar(0x03B2)));
            greekLetters.insert("gamma", QString(QChar(0x03B3)));
            greekLetters.insert("delta", QString(QChar(0x03B4)));
            greekLetters.insert("epsilon", QString(QChar(0x03B5)));

            greekLetters.insert("zeta", QString(QChar(0x03B6)));
            greekLetters.insert("eta", QString(QChar(0x03B7)));
            greekLetters.insert("theta", QString(QChar(0x03B8)));
            greekLetters.insert("iota", QString(QChar(0x03B9)));
            greekLetters.insert("kappa", QString(QChar(0x03BA)));

            greekLetters.insert("lambda", QString(QChar(0x03BB)));
            greekLetters.insert("mu", QString(QChar(0x03BC)));
            greekLetters.insert("nu", QString(QChar(0x03BD)));
            greekLetters.insert("xi", QString(QChar(0x03BE)));
            greekLetters.insert("omicron", QString(QChar(0x03BF)));

            greekLetters.insert("pi", QString(QChar(0x03C0)));
            greekLetters.insert("rho", QString(QChar(0x03C1)));
            greekLetters.insert("sigma", QString(QChar(0x03C3))); // second lower-case sigma shouldn't affect anything
            greekLetters.insert("tau", QString(QChar(0x03C4)));
            greekLetters.insert("upsilon", QString(QChar(0x03C5)));

            greekLetters.insert("phi", QString(QChar(0x03C6)));
            greekLetters.insert("chi", QString(QChar(0x03C7)));
            greekLetters.insert("psi", QString(QChar(0x03C8)));
            greekLetters.insert("omega", QString(QChar(0x03C9)));
        }
    };
    static SearchDialogStaticData staticData;

    class SimbadSearcher* simbadSearcher;
    class SimbadLookupReply* simbadReply;
    QMap<QString, Vec3d> simbadResults;
    class StelObjectMgr* objectMgr;
    class QSettings* conf;

    bool flagHasSelectedText;

    bool useStartOfWords;
    bool useLockPosition;
    bool useSimbad;
    QString simbadServerUrl;
    void populateSimbadServerList();

    // The current coordinate system
    CoordinateSystem currentCoordinateSystem;

public:
    static QString extSearchText;

};

#endif // _SEARCHDIALOG_HPP_