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Diffstat (limited to 'src/axis/chartaxiselement.cpp')
| -rw-r--r-- | src/axis/chartaxiselement.cpp | 402 |
1 files changed, 0 insertions, 402 deletions
diff --git a/src/axis/chartaxiselement.cpp b/src/axis/chartaxiselement.cpp deleted file mode 100644 index c006b166..00000000 --- a/src/axis/chartaxiselement.cpp +++ /dev/null @@ -1,402 +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 "chartaxiselement_p.h" -#include "qabstractaxis_p.h" -#include "chartpresenter_p.h" -#include "abstractchartlayout_p.h" -#include <qmath.h> -#include <QDateTime> -#include <QTextDocument> - -QTCOMMERCIALCHART_BEGIN_NAMESPACE - -static const char *labelFormatMatchString = "%[\\-\\+#\\s\\d\\.lhjztL]*([dicuoxfegXFEG])"; -static const char *labelFormatMatchLocalizedString = "^([^%]*)%\\.(\\d+)([defgiEG])(.*)$"; -static QRegExp *labelFormatMatcher = 0; -static QRegExp *labelFormatMatcherLocalized = 0; -class StaticLabelFormatMatcherDeleter -{ -public: - StaticLabelFormatMatcherDeleter() {} - ~StaticLabelFormatMatcherDeleter() { - delete labelFormatMatcher; - delete labelFormatMatcherLocalized; - } -}; -static StaticLabelFormatMatcherDeleter staticLabelFormatMatcherDeleter; - -ChartAxisElement::ChartAxisElement(QAbstractAxis *axis, QGraphicsItem *item, bool intervalAxis) - : ChartElement(item), - m_axis(axis), - m_animation(0), - m_grid(new QGraphicsItemGroup(item)), - m_arrow(new QGraphicsItemGroup(item)), - m_shades(new QGraphicsItemGroup(item)), - m_labels(new QGraphicsItemGroup(item)), - m_title(new QGraphicsTextItem(item)), - m_intervalAxis(intervalAxis) - -{ - //initial initialization - m_arrow->setHandlesChildEvents(false); - m_arrow->setZValue(ChartPresenter::AxisZValue); - m_labels->setZValue(ChartPresenter::AxisZValue); - m_shades->setZValue(ChartPresenter::ShadesZValue); - m_grid->setZValue(ChartPresenter::GridZValue); - m_title->setZValue(ChartPresenter::GridZValue); - m_title->document()->setDocumentMargin(ChartPresenter::textMargin()); - handleVisibleChanged(axis->isVisible()); - connectSlots(); - - setFlag(QGraphicsItem::ItemHasNoContents, true); -} - -ChartAxisElement::~ChartAxisElement() -{ -} - -void ChartAxisElement::connectSlots() -{ - QObject::connect(axis(), SIGNAL(visibleChanged(bool)), this, SLOT(handleVisibleChanged(bool))); - QObject::connect(axis(), SIGNAL(lineVisibleChanged(bool)), this, SLOT(handleArrowVisibleChanged(bool))); - QObject::connect(axis(), SIGNAL(gridVisibleChanged(bool)), this, SLOT(handleGridVisibleChanged(bool))); - QObject::connect(axis(), SIGNAL(labelsVisibleChanged(bool)), this, SLOT(handleLabelsVisibleChanged(bool))); - QObject::connect(axis(), SIGNAL(shadesVisibleChanged(bool)), this, SLOT(handleShadesVisibleChanged(bool))); - QObject::connect(axis(), SIGNAL(labelsAngleChanged(int)), this, SLOT(handleLabelsAngleChanged(int))); - QObject::connect(axis(), SIGNAL(linePenChanged(const QPen&)), this, SLOT(handleArrowPenChanged(const QPen&))); - QObject::connect(axis(), SIGNAL(labelsPenChanged(const QPen&)), this, SLOT(handleLabelsPenChanged(const QPen&))); - QObject::connect(axis(), SIGNAL(labelsBrushChanged(const QBrush&)), this, SLOT(handleLabelsBrushChanged(const QBrush&))); - QObject::connect(axis(), SIGNAL(labelsFontChanged(const QFont&)), this, SLOT(handleLabelsFontChanged(const QFont&))); - QObject::connect(axis(), SIGNAL(gridLinePenChanged(const QPen&)), this, SLOT(handleGridPenChanged(const QPen&))); - QObject::connect(axis(), SIGNAL(shadesPenChanged(const QPen&)), this, SLOT(handleShadesPenChanged(const QPen&))); - QObject::connect(axis(), SIGNAL(shadesBrushChanged(const QBrush&)), this, SLOT(handleShadesBrushChanged(const QBrush&))); - QObject::connect(axis(), SIGNAL(titleTextChanged(const QString&)), this, SLOT(handleTitleTextChanged(const QString&))); - QObject::connect(axis(), SIGNAL(titleFontChanged(const QFont&)), this, SLOT(handleTitleFontChanged(const QFont&))); - QObject::connect(axis(), SIGNAL(titlePenChanged(const QPen&)), this, SLOT(handleTitlePenChanged(const QPen&))); - QObject::connect(axis(), SIGNAL(titleBrushChanged(const QBrush&)), this, SLOT(handleTitleBrushChanged(const QBrush&))); - QObject::connect(axis(), SIGNAL(titleVisibleChanged(bool)), this, SLOT(handleTitleVisibleChanged(bool))); - QObject::connect(axis()->d_ptr.data(), SIGNAL(rangeChanged(qreal, qreal)), this, SLOT(handleRangeChanged(qreal, qreal))); -} - -void ChartAxisElement::handleArrowVisibleChanged(bool visible) -{ - m_arrow->setVisible(visible); -} - -void ChartAxisElement::handleGridVisibleChanged(bool visible) -{ - m_grid->setVisible(visible); -} - -void ChartAxisElement::handleLabelsVisibleChanged(bool visible) -{ - QGraphicsLayoutItem::updateGeometry(); - presenter()->layout()->invalidate(); - m_labels->setVisible(visible); -} - -void ChartAxisElement::handleShadesVisibleChanged(bool visible) -{ - m_shades->setVisible(visible); -} - -void ChartAxisElement::handleTitleVisibleChanged(bool visible) -{ - QGraphicsLayoutItem::updateGeometry(); - presenter()->layout()->invalidate(); - m_title->setVisible(visible); -} - -void ChartAxisElement::handleLabelsAngleChanged(int angle) -{ - foreach (QGraphicsItem *item, m_labels->childItems()) - item->setRotation(angle); - - QGraphicsLayoutItem::updateGeometry(); - presenter()->layout()->invalidate(); -} - -void ChartAxisElement::handleLabelsPenChanged(const QPen &pen) -{ - Q_UNUSED(pen) -} - -void ChartAxisElement::handleLabelsBrushChanged(const QBrush &brush) -{ - foreach (QGraphicsItem *item, m_labels->childItems()) - static_cast<QGraphicsTextItem *>(item)->setDefaultTextColor(brush.color()); -} - -void ChartAxisElement::handleLabelsFontChanged(const QFont &font) -{ - foreach (QGraphicsItem *item, m_labels->childItems()) - static_cast<QGraphicsTextItem *>(item)->setFont(font); - QGraphicsLayoutItem::updateGeometry(); - presenter()->layout()->invalidate(); -} - -void ChartAxisElement::handleTitleTextChanged(const QString &title) -{ - QGraphicsLayoutItem::updateGeometry(); - presenter()->layout()->invalidate(); - if (title.isEmpty() || !m_title->isVisible()) - m_title->setHtml(title); -} - -void ChartAxisElement::handleTitlePenChanged(const QPen &pen) -{ - Q_UNUSED(pen) -} - -void ChartAxisElement::handleTitleBrushChanged(const QBrush &brush) -{ - m_title->setDefaultTextColor(brush.color()); -} - -void ChartAxisElement::handleTitleFontChanged(const QFont &font) -{ - if (m_title->font() != font) { - m_title->setFont(font); - QGraphicsLayoutItem::updateGeometry(); - presenter()->layout()->invalidate(); - } -} - -void ChartAxisElement::handleVisibleChanged(bool visible) -{ - setVisible(visible); - if (!visible) { - m_grid->setVisible(visible); - m_arrow->setVisible(visible); - m_shades->setVisible(visible); - m_labels->setVisible(visible); - m_title->setVisible(visible); - } else { - m_grid->setVisible(axis()->isGridLineVisible()); - m_arrow->setVisible(axis()->isLineVisible()); - m_shades->setVisible(axis()->shadesVisible()); - m_labels->setVisible(axis()->labelsVisible()); - m_title->setVisible(axis()->isTitleVisible()); - } - - if (presenter()) presenter()->layout()->invalidate(); -} - -void ChartAxisElement::handleRangeChanged(qreal min, qreal max) -{ - Q_UNUSED(min); - Q_UNUSED(max); - - if (!isEmpty()) { - QVector<qreal> layout = calculateLayout(); - updateLayout(layout); - QSizeF before = effectiveSizeHint(Qt::PreferredSize); - QSizeF after = sizeHint(Qt::PreferredSize); - - if (before != after) { - QGraphicsLayoutItem::updateGeometry(); - // We don't want to call invalidate on layout, since it will change minimum size of - // component, which we would like to avoid since it causes nasty flips when scrolling - // or zooming, instead recalculate layout and use plotArea for extra space. - presenter()->layout()->setGeometry(presenter()->layout()->geometry()); - } - } -} - -bool ChartAxisElement::isEmpty() -{ - return axisGeometry().isEmpty() - || gridGeometry().isEmpty() - || qFuzzyCompare(min(), max()); -} - -qreal ChartAxisElement::min() const -{ - return m_axis->d_ptr->min(); -} - -qreal ChartAxisElement::max() const -{ - return m_axis->d_ptr->max(); -} - -QString ChartAxisElement::formatLabel(const QString &formatSpec, const QByteArray &array, - qreal value, int precision, const QString &preStr, - const QString &postStr) const -{ - QString retVal; - if (!formatSpec.isEmpty()) { - if (formatSpec.at(0) == QLatin1Char('d') - || formatSpec.at(0) == QLatin1Char('i') - || formatSpec.at(0) == QLatin1Char('c')) { - if (presenter()->localizeNumbers()) - retVal = preStr + presenter()->locale().toString(qint64(value)) + postStr; - else - retVal = QString().sprintf(array, qint64(value)); - } else if (formatSpec.at(0) == QLatin1Char('u') - || formatSpec.at(0) == QLatin1Char('o') - || formatSpec.at(0) == QLatin1Char('x') - || formatSpec.at(0) == QLatin1Char('X')) { - // These formats are not supported by localized numbers - retVal = QString().sprintf(array, quint64(value)); - } else if (formatSpec.at(0) == QLatin1Char('f') - || formatSpec.at(0) == QLatin1Char('F') - || formatSpec.at(0) == QLatin1Char('e') - || formatSpec.at(0) == QLatin1Char('E') - || formatSpec.at(0) == QLatin1Char('g') - || formatSpec.at(0) == QLatin1Char('G')) { - if (presenter()->localizeNumbers()) { - retVal = preStr - + presenter()->locale().toString(value, formatSpec.at(0).toLatin1(), - precision) - + postStr; - } else { - retVal = QString().sprintf(array, value); - } - } - } - return retVal; -} - -QStringList ChartAxisElement::createValueLabels(qreal min, qreal max, int ticks, - const QString &format) const -{ - QStringList labels; - - if (max <= min || ticks < 1) - return labels; - - if (format.isNull()) { - int n = qMax(int(-qFloor(log10((max - min) / (ticks - 1)))), 0) + 1; - for (int i = 0; i < ticks; i++) { - qreal value = min + (i * (max - min) / (ticks - 1)); - labels << presenter()->numberToString(value, 'f', n); - } - } else { - QByteArray array = format.toLatin1(); - QString formatSpec; - QString preStr; - QString postStr; - int precision = 6; // Six is the default precision in Qt API - if (presenter()->localizeNumbers()) { - if (!labelFormatMatcherLocalized) - labelFormatMatcherLocalized = new QRegExp(labelFormatMatchLocalizedString); - if (labelFormatMatcherLocalized->indexIn(format, 0) != -1) { - preStr = labelFormatMatcherLocalized->cap(1); - if (!labelFormatMatcherLocalized->cap(2).isEmpty()) - precision = labelFormatMatcherLocalized->cap(2).toInt(); - formatSpec = labelFormatMatcherLocalized->cap(3); - postStr = labelFormatMatcherLocalized->cap(4); - } - } else { - if (!labelFormatMatcher) - labelFormatMatcher = new QRegExp(labelFormatMatchString); - if (labelFormatMatcher->indexIn(format, 0) != -1) - formatSpec = labelFormatMatcher->cap(1); - } - for (int i = 0; i < ticks; i++) { - qreal value = min + (i * (max - min) / (ticks - 1)); - labels << formatLabel(formatSpec, array, value, precision, preStr, postStr); - } - } - - return labels; -} - -QStringList ChartAxisElement::createLogValueLabels(qreal min, qreal max, qreal base, int ticks, - const QString &format) const -{ - QStringList labels; - - if (max <= min || ticks < 1) - return labels; - - int firstTick; - if (base > 1) - firstTick = ceil(log10(min) / log10(base)); - else - firstTick = ceil(log10(max) / log10(base)); - - if (format.isNull()) { - int n = 0; - if (ticks > 1) - n = qMax(int(-qFloor(log10((max - min) / (ticks - 1)))), 0); - n++; - for (int i = firstTick; i < ticks + firstTick; i++) { - qreal value = qPow(base, i); - labels << presenter()->numberToString(value, 'f', n); - } - } else { - QByteArray array = format.toLatin1(); - QString formatSpec; - QString preStr; - QString postStr; - int precision = 6; // Six is the default precision in Qt API - if (presenter()->localizeNumbers()) { - if (!labelFormatMatcherLocalized) - labelFormatMatcherLocalized = new QRegExp(labelFormatMatchLocalizedString); - if (labelFormatMatcherLocalized->indexIn(format, 0) != -1) { - preStr = labelFormatMatcherLocalized->cap(1); - if (!labelFormatMatcherLocalized->cap(2).isEmpty()) - precision = labelFormatMatcherLocalized->cap(2).toInt(); - formatSpec = labelFormatMatcherLocalized->cap(3); - postStr = labelFormatMatcherLocalized->cap(4); - } - } else { - if (!labelFormatMatcher) - labelFormatMatcher = new QRegExp(labelFormatMatchString); - if (labelFormatMatcher->indexIn(format, 0) != -1) - formatSpec = labelFormatMatcher->cap(1); - } - for (int i = firstTick; i < ticks + firstTick; i++) { - qreal value = qPow(base, i); - labels << formatLabel(formatSpec, array, value, precision, preStr, postStr); - } - } - - return labels; -} - -QStringList ChartAxisElement::createDateTimeLabels(qreal min, qreal max,int ticks, - const QString &format) const -{ - QStringList labels; - - if (max <= min || ticks < 1) - return labels; - - int n = qMax(int(-floor(log10((max - min) / (ticks - 1)))), 0); - n++; - for (int i = 0; i < ticks; i++) { - qreal value = min + (i * (max - min) / (ticks - 1)); - labels << presenter()->locale().toString(QDateTime::fromMSecsSinceEpoch(value), format); - } - return labels; -} - -void ChartAxisElement::axisSelected() -{ - emit clicked(); -} - -#include "moc_chartaxiselement_p.cpp" - -QTCOMMERCIALCHART_END_NAMESPACE |