qgsgrassedittools.h

一个非常好的GIS开源新版本

/***************************************************************************
    qgsgrassedittools.h  -    GRASS Edit tools
                             -------------------
    begin                : March, 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 QGSGRASSEDITTOOLS_H
#define QGSGRASSEDITTOOLS_H

#include "qgsmaptool.h"

class QgsGrassEdit;



class QgsGrassEditTool : public QgsMapTool
{
  public:
    QgsGrassEditTool(QgsGrassEdit* edit);
    
    //! events from canvas
    virtual void canvasPressEvent(QMouseEvent * e);
    virtual void canvasMoveEvent(QMouseEvent * e);
    
    //! functions to be overridden by grass edit tools
    virtual void mouseClick(QgsPoint & point, Qt::ButtonState button) { }
    virtual void mouseMove(QgsPoint & point) { }
    
  protected:
    QgsGrassEdit* e;
};

// ------------------------------------------------------------------
// NEW POINT + NEW CENTROID
// ------------------------------------------------------------------

class QgsGrassEditNewPoint : public QgsGrassEditTool
{
  public:
    QgsGrassEditNewPoint(QgsGrassEdit* edit, bool newCentroid);
    virtual void mouseClick(QgsPoint & point, Qt::ButtonState button);
    
  private:
    //! true if creating new centroid, false if creating new point
    bool mNewCentroid;
};

// ------------------------------------------------------------------
// NEW LINE + NEW BOUNDARY
// ------------------------------------------------------------------

class QgsGrassEditNewLine : public QgsGrassEditTool
{
  public:
    QgsGrassEditNewLine(QgsGrassEdit* edit, bool newBoundary);
    
    virtual void activate();
    virtual void deactivate();
        
    virtual void mouseClick(QgsPoint & point, Qt::ButtonState button);
    virtual void mouseMove(QgsPoint & point);
    
  private:
    //! true if creating new boundary, false if creating new line
    bool mNewBoundary;
};

// ------------------------------------------------------------------
// MOVE VERTEX
// ------------------------------------------------------------------

class QgsGrassEditMoveVertex : public QgsGrassEditTool
{
  public:
    QgsGrassEditMoveVertex(QgsGrassEdit* edit);
    
    virtual void mouseClick(QgsPoint & point, Qt::ButtonState button);
    virtual void mouseMove(QgsPoint & point);
};

// ------------------------------------------------------------------
// ADD VERTEX
// ------------------------------------------------------------------

class QgsGrassEditAddVertex : public QgsGrassEditTool
{
  public:
    QgsGrassEditAddVertex(QgsGrassEdit* edit);
    
    virtual void mouseClick(QgsPoint & point, Qt::ButtonState button);
    virtual void mouseMove(QgsPoint & point);
};

// ------------------------------------------------------------------
// DELETE VERTEX
// ------------------------------------------------------------------

class QgsGrassEditDeleteVertex : public QgsGrassEditTool
{
  public:
    QgsGrassEditDeleteVertex(QgsGrassEdit* edit);
    
    virtual void mouseClick(QgsPoint & point, Qt::ButtonState button);
};

// ------------------------------------------------------------------
// MOVE LINE
// ------------------------------------------------------------------

class QgsGrassEditMoveLine : public QgsGrassEditTool
{
  public:
    QgsGrassEditMoveLine(QgsGrassEdit* edit);
    
    virtual void mouseClick(QgsPoint & point, Qt::ButtonState button);
    virtual void mouseMove(QgsPoint & point);
};

// ------------------------------------------------------------------
// DELETE LINE
// ------------------------------------------------------------------

class QgsGrassEditDeleteLine : public QgsGrassEditTool
{
  public:
    QgsGrassEditDeleteLine(QgsGrassEdit* edit);
    
    virtual void mouseClick(QgsPoint & point, Qt::ButtonState button);
};

// ------------------------------------------------------------------
// SPLIT LINE
// ------------------------------------------------------------------

class QgsGrassEditSplitLine : public QgsGrassEditTool
{
  public:
    QgsGrassEditSplitLine(QgsGrassEdit* edit);
    
    virtual void mouseClick(QgsPoint & point, Qt::ButtonState button);
};

// ------------------------------------------------------------------
// EDIT ATTRIBUTES
// ------------------------------------------------------------------

class QgsGrassEditAttributes : public QgsGrassEditTool
{
  public:
    QgsGrassEditAttributes(QgsGrassEdit* edit);
    
    virtual void mouseClick(QgsPoint & point, Qt::ButtonState button);
};

#endif