diff options
Diffstat (limited to 'src/axis/barcategoryaxis/chartbarcategoryaxisy.cpp')
-rw-r--r-- | src/axis/barcategoryaxis/chartbarcategoryaxisy.cpp | 140 |
1 files changed, 0 insertions, 140 deletions
diff --git a/src/axis/barcategoryaxis/chartbarcategoryaxisy.cpp b/src/axis/barcategoryaxis/chartbarcategoryaxisy.cpp deleted file mode 100644 index 48f9f2f6..00000000 --- a/src/axis/barcategoryaxis/chartbarcategoryaxisy.cpp +++ /dev/null @@ -1,140 +0,0 @@ -/**************************************************************************** - ** - ** Copyright (C) 2014 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 Enterprise Charts Add-on. - ** - ** $QT_BEGIN_LICENSE$ - ** Licensees holding valid Qt Enterprise licenses may use this file in - ** accordance with the Qt Enterprise 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 "chartbarcategoryaxisy_p.h" -#include "chartpresenter_p.h" -#include "qbarcategoryaxis_p.h" -#include "abstractchartlayout_p.h" -#include <qmath.h> -#include <QDebug> - -QTCOMMERCIALCHART_BEGIN_NAMESPACE - -ChartBarCategoryAxisY::ChartBarCategoryAxisY(QBarCategoryAxis *axis, QGraphicsItem* item) - : VerticalAxis(axis, item, true), - m_categoriesAxis(axis) -{ - QObject::connect( m_categoriesAxis,SIGNAL(categoriesChanged()),this, SLOT(handleCategoriesChanged())); - handleCategoriesChanged(); -} - -ChartBarCategoryAxisY::~ChartBarCategoryAxisY() -{ -} - -QVector<qreal> ChartBarCategoryAxisY::calculateLayout() const -{ - QVector<qreal> points; - const QRectF& gridRect = gridGeometry(); - qreal range = max() - min(); - const qreal delta = gridRect.height() / range; - - if (delta < 2) - return points; - - qreal adjustedMin = min() + 0.5; - qreal offset = (ceil(adjustedMin) - adjustedMin) * delta; - - int count = qFloor(range); - if (count < 1) - return points; - - points.resize(count + 2); - - for (int i = 0; i < count + 2; ++i) - points[i] = gridRect.bottom() - (qreal(i) * delta) - offset; - - return points; -} - -QStringList ChartBarCategoryAxisY::createCategoryLabels(const QVector<qreal>& layout) const -{ - QStringList result; - const QRectF &gridRect = gridGeometry(); - qreal d = (max() - min()) / gridRect.height(); - - for (int i = 0; i < layout.count() - 1; ++i) { - qreal x = qFloor(((gridRect.height() - (layout[i + 1] + layout[i]) / 2 + gridRect.top()) * d + min() + 0.5)); - if ((x < m_categoriesAxis->categories().count()) && (x >= 0)) { - result << m_categoriesAxis->categories().at(x); - } else { - // No label for x coordinate - result << ""; - } - } - result << ""; - return result; -} - -void ChartBarCategoryAxisY::updateGeometry() -{ - const QVector<qreal>& layout = ChartAxisElement::layout(); - if (layout.isEmpty()) - return; - setLabels(createCategoryLabels(layout)); - VerticalAxis::updateGeometry(); -} - -void ChartBarCategoryAxisY::handleCategoriesChanged() -{ - QGraphicsLayoutItem::updateGeometry(); - if(presenter()) presenter()->layout()->invalidate(); -} - -QSizeF ChartBarCategoryAxisY::sizeHint(Qt::SizeHint which, const QSizeF &constraint) const -{ - Q_UNUSED(constraint) - - QSizeF sh; - QSizeF base = VerticalAxis::sizeHint(which, constraint); - QStringList ticksList = m_categoriesAxis->categories(); - qreal width = 0; - qreal height = 0; // Height is irrelevant for Y axes with interval labels - - switch (which) { - case Qt::MinimumSize: { - QRectF boundingRect = ChartPresenter::textBoundingRect(axis()->labelsFont(), "...", axis()->labelsAngle()); - width = boundingRect.width() + labelPadding() + base.width() + 1.0; - if (base.width() > 0.0) - width += labelPadding(); - sh = QSizeF(width, height); - break; - } - case Qt::PreferredSize:{ - qreal labelWidth = 0.0; - foreach (const QString& s, ticksList) { - QRectF rect = ChartPresenter::textBoundingRect(axis()->labelsFont(), s, axis()->labelsAngle()); - labelWidth = qMax(rect.width(), labelWidth); - } - width = labelWidth + labelPadding() + base.width() + 1.0; - if (base.width() > 0.0) - width += labelPadding(); - sh = QSizeF(width, height); - break; - } - default: - break; - } - return sh; -} - -#include "moc_chartbarcategoryaxisy_p.cpp" - -QTCOMMERCIALCHART_END_NAMESPACE |