qgsgrassattributes.h

一个非常好的GIS开源新版本

/***************************************************************************
    qgsgrassattributes.h  -  Edit vector attributes
                             -------------------
    begin                : July, 2004
    copyright            : (C) 2004 by Radim Blazek
    email                : [e-mail]
 ***************************************************************************/
/***************************************************************************
 *                                                                         *
 *   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.                                   *
 *                                                                         *
 ***************************************************************************/
#ifndef QGSGRASSATTRIBUTES_H
#define QGSGRASSATTRIBUTES_H

/* First attribute in the table is always field, second attribute is category */

//Added by qt3to4:
#include <QEvent>

class Q3Table;

class QgsGrassProvider;
class QgsGrassEdit;
#include "ui_qgsgrassattributesbase.h"
#include <QDialog>

class QgsGrassAttributesKeyPress : public QObject
{
    Q_OBJECT;

public:
    QgsGrassAttributesKeyPress ( Q3Table *tab );
    ~QgsGrassAttributesKeyPress ();

protected:
    bool eventFilter( QObject *o, QEvent *e );

private:
    Q3Table *mTable;
};


/*! \class QgsGrassAttributes
 *  \brief GRASS attributes.
 *
 */
class QgsGrassAttributes: public QDialog, private Ui::QgsGrassAttributesBase
{
    Q_OBJECT;

public:
    //! Constructor
    QgsGrassAttributes ( QgsGrassEdit *edit, QgsGrassProvider *provider, int line, 
                   QWidget * parent = 0, const char * name = 0, 
                   Qt::WFlags f = Qt::Window );
       //Qt::WFlags f = Qt::WStyle_Customize | Qt::WStyle_DialogBorder | Qt::WStyle_Title | Qt::WType_Dialog | Qt::WStyle_Tool);

    //! Destructor
    ~QgsGrassAttributes();

    //! Add tab for one field:cat pair, returns tab id
    int addTab ( const QString & label );

    //! Set field
    void setField ( int tab, int field );

    //! Set Category
    void setCat ( int tab, const QString & name, int cat );

    //! Add attribute (but no category)
    void addAttribute ( int tab, const QString &name, const QString &value, const QString &type );
    
    //! Add text in one row usually warning
    void addTextRow ( int tab, const QString &text );
    
    //! Set Line (must be used if the line is rewritten)
    void setLine ( int line );

    //! Reset buttons
    void resetButtons();

public slots:
    //! Update DB for current tab
    void on_updateButton_clicked() { updateAttributes(); }
    void updateAttributes();

    //! Add new category
    void on_newButton_clicked() { addCat(); }
    void addCat();

    //! Add new category
    void on_deleteButton_clicked() { deleteCat(); }
    void deleteCat();

    //! Called if tab is changed
    void tabChanged ( QWidget *widget );

    //! Column size changed 
    void columnSizeChanged ( int section, int oldSize, int newSize );

    //! Remove all tabs
    void clear();

private:
    //! Pointer to vector provider 
    QgsGrassProvider *mProvider;

    QgsGrassEdit *mEdit;

    int mLine;

    void restorePosition(void);
    
    void saveWindowLocation(void);
};

#endif // QGSGRASSATTRIBUTES_H