HG_REPOSITORIES/LPP/INSTRUMENTATION/USERS/JEANDET/qtcharts Files · src/axis/chartaxisx.cpp

Adds missing functions to qchart API

Michal Klocek - - Load All Authors

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             chartaxisx.cpp
        
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        Michal Klocek
    
Refactors axis animation, line animations

              r1241
            
      /****************************************************************************

      **

      ** Copyright (C) 2012 Digia Plc

      ** All rights reserved.

      ** For any questions to Digia, please use contact form at http://qt.digia.com

      **

      ** This file is part of the Qt Commercial Charts Add-on.

      **

      ** $QT_BEGIN_LICENSE$

      ** Licensees holding valid Qt Commercial licenses may use this file in

      ** accordance with the Qt Commercial License Agreement provided with the

      ** Software or, alternatively, in accordance with the terms contained in

      ** a written agreement between you and Digia.

      **

      ** If you have questions regarding the use of this file, please use

      ** contact form at http://qt.digia.com

      ** $QT_END_LICENSE$

      **

      ****************************************************************************/

      #include "chartaxisx_p.h"

        Michal Klocek
    
Refactors QAxis to QAbstractAxis...

              r1541
            
      #include "qabstractaxis.h"

        Michal Klocek
    
Refactors axis animation, line animations

              r1241
            
      #include "qaxiscategories_p.h"

      #include "chartpresenter_p.h"

      #include "chartanimator_p.h"

        Michal Klocek
    
Refactors layout managment...

              r1534
            
      #include <QGraphicsLayout>

      #include <QDebug>

      #include <QFontMetrics>

        Michal Klocek
    
Refactors axis animation, line animations

              r1241
            
      static int label_padding = 5;

      QTCOMMERCIALCHART_BEGIN_NAMESPACE

        Michal Klocek
    
Refactors QAxis to QAbstractAxis...

              r1541
            
      ChartAxisX::ChartAxisX(QAbstractAxis *axis,ChartPresenter *presenter) : ChartAxis(axis,presenter)

        Michal Klocek
    
Refactors axis animation, line animations

              r1241
            
      {

      }

      ChartAxisX::~ChartAxisX()

      {

      }

      QVector<qreal> ChartAxisX::calculateLayout() const

      {

          Q_ASSERT(m_ticksCount>=2);

          QVector<qreal> points;

          points.resize(m_ticksCount);

          const qreal deltaX = m_rect.width()/(m_ticksCount-1);

          for (int i = 0; i < m_ticksCount; ++i) {

              int x = i * deltaX + m_rect.left();

              points[i] = x;

          }

          return points;

      }

      void ChartAxisX::updateGeometry()

      {

          const QVector<qreal>& layout = ChartAxis::layout();

        Michal Klocek
    
Refactors layout managment...

              r1534
            
          m_minWidth = 0;

          m_minHeight = 0;

          if(layout.isEmpty()) return;

        Michal Klocek
    
Refactors axis animation, line animations

              r1241
            
          QStringList ticksList;

          bool categories = createLabels(ticksList,m_min,m_max,layout.size());

          QList<QGraphicsItem *> lines = m_grid->childItems();

          QList<QGraphicsItem *> labels = m_labels->childItems();

          QList<QGraphicsItem *> shades = m_shades->childItems();

          QList<QGraphicsItem *> axis = m_axis->childItems();

          Q_ASSERT(labels.size() == ticksList.size());

          Q_ASSERT(layout.size() == ticksList.size());

          QGraphicsLineItem *lineItem = static_cast<QGraphicsLineItem*>(axis.at(0));

          lineItem->setLine(m_rect.left(), m_rect.bottom(), m_rect.right(), m_rect.bottom());

        Michal Klocek
    
Refactors layout managment...

              r1534
            
          qreal width = 0;

        Michal Klocek
    
Refactors axis animation, line animations

              r1241
            
          for (int i = 0; i < layout.size(); ++i) {

              QGraphicsLineItem *lineItem = static_cast<QGraphicsLineItem*>(lines.at(i));

              lineItem->setLine(layout[i], m_rect.top(), layout[i], m_rect.bottom());

              QGraphicsSimpleTextItem *labelItem = static_cast<QGraphicsSimpleTextItem*>(labels.at(i));

              if (!categories || i<1) {

                  labelItem->setText(ticksList.at(i));

                  const QRectF& rect = labelItem->boundingRect();

                  QPointF center = rect.center();

                  labelItem->setTransformOriginPoint(center.x(), center.y());

                  labelItem->setPos(layout[i] - center.x(), m_rect.bottom() + label_padding);

        Michal Klocek
    
Refactors layout managment...

              r1534
            
                  if(labelItem->pos().x()<=width){

                      labelItem->setVisible(false);

                      lineItem->setVisible(false);

                  }else{

                      labelItem->setVisible(true);

                      lineItem->setVisible(true);

                      width=rect.width()+labelItem->pos().x();

                  }

                  m_minWidth+=rect.width();

                  m_minHeight=qMax(rect.height(),m_minHeight);

        Michal Klocek
    
Refactors axis animation, line animations

              r1241
            
              }

              else {

                  labelItem->setText(ticksList.at(i));

                  const QRectF& rect = labelItem->boundingRect();

                  QPointF center = rect.center();

                  labelItem->setTransformOriginPoint(center.x(), center.y());

                  labelItem->setPos(layout[i] - (layout[i] - layout[i-1])/2 - center.x(), m_rect.bottom() + label_padding);

        Michal Klocek
    
Refactors layout managment...

              r1534
            
                  m_minWidth+=rect.width();

                  m_minHeight=qMax(rect.height()+label_padding,m_minHeight);

        Michal Klocek
    
Refactors axis animation, line animations

              r1241
            
              }

              if ((i+1)%2 && i>1) {

                  QGraphicsRectItem *rectItem = static_cast<QGraphicsRectItem*>(shades.at(i/2-1));

                  rectItem->setRect(layout[i-1],m_rect.top(),layout[i]-layout[i-1],m_rect.height());

              }

              lineItem = static_cast<QGraphicsLineItem*>(axis.at(i+1));

              lineItem->setLine(layout[i],m_rect.bottom(),layout[i],m_rect.bottom()+5);

          }

      }

      QTCOMMERCIALCHART_END_NAMESPACE

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Michal Klocek Refactors axis animation, line animations	r1241	/****************************************************************************
		**
		** Copyright (C) 2012 Digia Plc
		** All rights reserved.
		** For any questions to Digia, please use contact form at http://qt.digia.com
		**
		** This file is part of the Qt Commercial Charts Add-on.
		**
		** $QT_BEGIN_LICENSE$
		** Licensees holding valid Qt Commercial licenses may use this file in
		** accordance with the Qt Commercial License Agreement provided with the
		** Software or, alternatively, in accordance with the terms contained in
		** a written agreement between you and Digia.
		**
		** If you have questions regarding the use of this file, please use
		** contact form at http://qt.digia.com
		** $QT_END_LICENSE$
		**
		****************************************************************************/

		#include "chartaxisx_p.h"
Michal Klocek Refactors QAxis to QAbstractAxis...	r1541	#include "qabstractaxis.h"
Michal Klocek Refactors axis animation, line animations	r1241	#include "qaxiscategories_p.h"
		#include "chartpresenter_p.h"
		#include "chartanimator_p.h"
Michal Klocek Refactors layout managment...	r1534	#include <QGraphicsLayout>
		#include <QDebug>
		#include <QFontMetrics>
Michal Klocek Refactors axis animation, line animations	r1241
		static int label_padding = 5;

		QTCOMMERCIALCHART_BEGIN_NAMESPACE

Michal Klocek Refactors QAxis to QAbstractAxis...	r1541	ChartAxisX::ChartAxisX(QAbstractAxis axis,ChartPresenter presenter) : ChartAxis(axis,presenter)
Michal Klocek Refactors axis animation, line animations	r1241	{
		}

		ChartAxisX::~ChartAxisX()
		{
		}

		QVector<qreal> ChartAxisX::calculateLayout() const
		{
		Q_ASSERT(m_ticksCount>=2);

		QVector<qreal> points;
		points.resize(m_ticksCount);

		const qreal deltaX = m_rect.width()/(m_ticksCount-1);
		for (int i = 0; i < m_ticksCount; ++i) {
		int x = i * deltaX + m_rect.left();
		points[i] = x;
		}
		return points;
		}

		void ChartAxisX::updateGeometry()
		{
		const QVector<qreal>& layout = ChartAxis::layout();

Michal Klocek Refactors layout managment...	r1534	m_minWidth = 0;
		m_minHeight = 0;

		if(layout.isEmpty()) return;

Michal Klocek Refactors axis animation, line animations	r1241	QStringList ticksList;

		bool categories = createLabels(ticksList,m_min,m_max,layout.size());

		QList<QGraphicsItem *> lines = m_grid->childItems();
		QList<QGraphicsItem *> labels = m_labels->childItems();
		QList<QGraphicsItem *> shades = m_shades->childItems();
		QList<QGraphicsItem *> axis = m_axis->childItems();

		Q_ASSERT(labels.size() == ticksList.size());
		Q_ASSERT(layout.size() == ticksList.size());

		QGraphicsLineItem lineItem = static_cast<QGraphicsLineItem>(axis.at(0));
		lineItem->setLine(m_rect.left(), m_rect.bottom(), m_rect.right(), m_rect.bottom());

Michal Klocek Refactors layout managment...	r1534	qreal width = 0;
Michal Klocek Refactors axis animation, line animations	r1241	for (int i = 0; i < layout.size(); ++i) {
		QGraphicsLineItem lineItem = static_cast<QGraphicsLineItem>(lines.at(i));
		lineItem->setLine(layout[i], m_rect.top(), layout[i], m_rect.bottom());
		QGraphicsSimpleTextItem labelItem = static_cast<QGraphicsSimpleTextItem>(labels.at(i));
		if (!categories \|\| i<1) {
		labelItem->setText(ticksList.at(i));
		const QRectF& rect = labelItem->boundingRect();
		QPointF center = rect.center();
		labelItem->setTransformOriginPoint(center.x(), center.y());
		labelItem->setPos(layout[i] - center.x(), m_rect.bottom() + label_padding);
Michal Klocek Refactors layout managment...	r1534
		if(labelItem->pos().x()<=width){
		labelItem->setVisible(false);
		lineItem->setVisible(false);
		}else{
		labelItem->setVisible(true);
		lineItem->setVisible(true);
		width=rect.width()+labelItem->pos().x();
		}
		m_minWidth+=rect.width();
		m_minHeight=qMax(rect.height(),m_minHeight);
Michal Klocek Refactors axis animation, line animations	r1241	}
		else {
		labelItem->setText(ticksList.at(i));
		const QRectF& rect = labelItem->boundingRect();
		QPointF center = rect.center();
		labelItem->setTransformOriginPoint(center.x(), center.y());
		labelItem->setPos(layout[i] - (layout[i] - layout[i-1])/2 - center.x(), m_rect.bottom() + label_padding);
Michal Klocek Refactors layout managment...	r1534	m_minWidth+=rect.width();
		m_minHeight=qMax(rect.height()+label_padding,m_minHeight);
Michal Klocek Refactors axis animation, line animations	r1241	}

		if ((i+1)%2 && i>1) {
		QGraphicsRectItem rectItem = static_cast<QGraphicsRectItem>(shades.at(i/2-1));
		rectItem->setRect(layout[i-1],m_rect.top(),layout[i]-layout[i-1],m_rect.height());
		}
		lineItem = static_cast<QGraphicsLineItem*>(axis.at(i+1));
		lineItem->setLine(layout[i],m_rect.bottom(),layout[i],m_rect.bottom()+5);
		}
		}

		QTCOMMERCIALCHART_END_NAMESPACE