CaptionGraphicsSubItems.h

/*
 *
 * This file is part of Tulip (www.tulip-software.org)
 *
 * Authors: David Auber and the Tulip development Team
 * from LaBRI, University of Bordeaux
 *
 * Tulip is free software; you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License
 * as published by the Free Software Foundation, either version 3
 * of the License, or (at your option) any later version.
 *
 * Tulip 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.
 *
 */
///@cond DOXYGEN_HIDDEN

#ifndef CAPTIONGRAPHICSSUBITEMS_H
#define CAPTIONGRAPHICSSUBITEMS_H

#include <QGraphicsPixmapItem>
#include <QObject>

class QGradient;

namespace tlp {

class ConfigurationIconItem : public QObject, public QGraphicsPixmapItem {

  Q_OBJECT

public :

  ConfigurationIconItem() {

  }

signals :

  void configurationIconPressed();

protected :

  void mousePressEvent( QGraphicsSceneMouseEvent *) {
    emit configurationIconPressed();
  }
};

class SelectionArrowItem : public QObject, public QGraphicsPathItem {

  Q_OBJECT

public :

  SelectionArrowItem(float initRangePos,const QPoint &initPos);

  bool sceneEvent ( QEvent * event );

signals :

  void circleMoved();

protected :

  int yPos;
  QPoint initPos;
};

class SelectionTextItem : public QGraphicsTextItem {

public :

  SelectionTextItem();

protected :

  bool sceneEvent ( QEvent * event ) {
    return ((SelectionArrowItem*)parentItem())->sceneEvent(event);
  }

};

class MovableRectItem : public QObject, public QGraphicsRectItem {

  Q_OBJECT

public :

  MovableRectItem(const QRectF &rect,const QRectF &size,SelectionArrowItem *topCircle, SelectionArrowItem *bottomCircle);

  void setInternalRect(const QRectF &rect);

signals :

  // begin and end in 0,1 range
  void moved(float begin, float end);

protected :

  bool sceneEvent ( QEvent * event );

  QRectF _currentRect;
  QPoint _initPos;
  SelectionArrowItem *_topCircle;
  SelectionArrowItem *_bottomCircle;
};

class MovablePathItem : public QObject, public QGraphicsPathItem {

  Q_OBJECT

public :

  MovablePathItem(const QRectF &rect, QGraphicsPathItem *topPathItem, QGraphicsPathItem *bottomPathItem,SelectionArrowItem *topCircle, SelectionArrowItem *bottomCircle);

  void setDataToPath(const std::vector< std::pair< double,float > > &metricToSizeFilteredList, double minMetric, double maxMetric);

  void setRect(const QRectF &rect);

signals :

  // begin and end in 0,1 range
  void moved(float begin, float end);

protected :

  void updatePath();

  bool sceneEvent ( QEvent * event );

  std::vector<std::pair <double, float> > _metricToSizeFilteredList;
  double _minMetric;
  double _maxMetric;

  QRectF _currentRect;
  QGraphicsPathItem *_topPathItem;
  QGraphicsPathItem *_bottomPathItem;
  SelectionArrowItem *_topCircle;
  SelectionArrowItem *_bottomCircle;
};

class CaptionGraphicsBackgroundItem : public QObject, public QGraphicsRectItem {

  Q_OBJECT

public :

  CaptionGraphicsBackgroundItem(const QRect &rect);

  void generateColorCaption(const QGradient &activeGradient, const QGradient &hideGradient, const std::string &propertyName, double minValue, double maxValue);

  void generateSizeCaption(const std::vector< std::pair< double,float > > &metricToSizeFilteredList, const std::string &propertyName, double minValue, double maxValue);

public slots :

  void updateCaption();
  // begin and end in 0,1 range
  void updateCaption(float begin, float end);
  void configurationIconPressedSlot();

  void activateInteractions();
  void removeInteractions();

signals :

  void filterChanged(float begin, float end);
  void configurationIconPressed();

  void interactionsActivated();
  void interactionsRemoved();

protected :

  void activateInteractions(bool);

  bool sceneEvent ( QEvent * event );
  void updateSelectionText(float begin, float end);

  bool _interactionsActivated;
  float _beginBackup;
  float _endBackup;
  QPoint _captionContentPos;

  double _minValue;
  double _maxValue;

  // Global Items
  QGraphicsTextItem *_minTextItem;
  QGraphicsTextItem *_maxTextItem;
  QGraphicsTextItem *_min2TextItem;
  QGraphicsTextItem *_max2TextItem;
  QGraphicsLineItem *_min2LineItem;
  QGraphicsLineItem *_max2LineItem;
  QGraphicsRectItem *_captionRectBorder;
  SelectionArrowItem *_rangeSelector1Item;
  SelectionArrowItem *_rangeSelector2Item;
  SelectionTextItem *_rangeSelector1TextItem;
  SelectionTextItem *_rangeSelector2TextItem;

  // Color caption Items
  QGraphicsRectItem *_topCaptionRectItem;
  MovableRectItem *_middleCaptionRectItem;
  QGraphicsRectItem *_bottomCaptionRectItem;

  // Size caption Items
  //MovableRectItem *_selectionSizeRectItem;
  MovablePathItem *_sizeCaptionPathItem;
  QGraphicsPathItem *_topSizeCaptionPathItem;
  QGraphicsPathItem *_bottomSizeCaptionPathItem;


};

}

#endif // CAPTIONGRAPHICSSUB_H
///@endcond