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/****************************************************************************
**
** 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 "chartaxisy_p.h"
#include "qaxis.h"
#include "qaxis_p.h"
#include "qaxiscategories_p.h"
#include "chartpresenter_p.h"
#include "chartanimator_p.h"
static int label_padding = 5;
QTCOMMERCIALCHART_BEGIN_NAMESPACE
ChartAxisY::ChartAxisY(QAxis *axis,ChartPresenter *presenter) : ChartAxis(axis,presenter)
{
}
ChartAxisY::~ChartAxisY()
{
}
QVector<qreal> ChartAxisY::calculateLayout() const
{
Q_ASSERT(m_ticksCount>=2);
QVector<qreal> points;
points.resize(m_ticksCount);
const qreal deltaY = m_rect.height()/(m_ticksCount-1);
for (int i = 0; i < m_ticksCount; ++i) {
int y = i * -deltaY + m_rect.bottom();
points[i] = y;
}
return points;
}
void ChartAxisY::updateGeometry()
{
const QVector<qreal> &layout = ChartAxis::layout();
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());
qreal minWidth = 0;
qreal minHeight = 0;
QGraphicsLineItem *lineItem = static_cast<QGraphicsLineItem*>(axis.at(0));
lineItem->setLine(m_rect.left() , m_rect.top(), m_rect.left(), m_rect.bottom());
for (int i = 0; i < layout.size(); ++i) {
QGraphicsLineItem *lineItem = static_cast<QGraphicsLineItem*>(lines.at(i));
lineItem->setLine(m_rect.left() , layout[i], m_rect.right(), layout[i]);
QGraphicsSimpleTextItem *labelItem = static_cast<QGraphicsSimpleTextItem*>(labels.at(i));
if (!categories || i<1) {
labelItem->setText(ticksList.at(i));
const QRectF& rect = labelItem->boundingRect();
minWidth=qMax(rect.width()+label_padding,minWidth);
minHeight+=rect.height();
QPointF center = rect.center();
labelItem->setTransformOriginPoint(center.x(), center.y());
labelItem->setPos(m_rect.left() - rect.width() - label_padding , layout[i]-center.y());
}
else {
labelItem->setText(ticksList.at(i));
const QRectF& rect = labelItem->boundingRect();
minWidth=qMax(rect.width(),minWidth);
minHeight+=rect.height();
QPointF center = rect.center();
labelItem->setTransformOriginPoint(center.x(), center.y());
labelItem->setPos(m_rect.left() - rect.width() - label_padding , layout[i] - (layout[i] - layout[i-1])/2 -center.y());
}
if ((i+1)%2 && i>1) {
QGraphicsRectItem *rectItem = static_cast<QGraphicsRectItem*>(shades.at(i/2-1));
rectItem->setRect(m_rect.left(),layout[i],m_rect.width(),layout[i-1]-layout[i]);
}
lineItem = static_cast<QGraphicsLineItem*>(axis.at(i+1));
lineItem->setLine(m_rect.left()-5,layout[i],m_rect.left(),layout[i]);
}
presenter()->setMinimumMarginWidth(this,minWidth);
presenter()->setMinimumMarginHeight(this,minHeight);
}
QTCOMMERCIALCHART_END_NAMESPACE
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