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Diffstat (limited to 'src/chartpresenter.cpp')
| -rw-r--r-- | src/chartpresenter.cpp | 509 |
1 files changed, 0 insertions, 509 deletions
diff --git a/src/chartpresenter.cpp b/src/chartpresenter.cpp deleted file mode 100644 index e83a7fbc..00000000 --- a/src/chartpresenter.cpp +++ /dev/null @@ -1,509 +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 "chartpresenter_p.h" -#include "qchart.h" -#include "chartitem_p.h" -#include "qchart_p.h" -#include "qabstractaxis.h" -#include "qabstractaxis_p.h" -#include "chartdataset_p.h" -#include "chartanimation_p.h" -#include "qabstractseries_p.h" -#include "qareaseries.h" -#include "chartaxiselement_p.h" -#include "chartbackground_p.h" -#include "cartesianchartlayout_p.h" -#include "polarchartlayout_p.h" -#include "charttitle_p.h" -#include <QTimer> -#include <QTextDocument> - -QTCOMMERCIALCHART_BEGIN_NAMESPACE - -ChartPresenter::ChartPresenter(QChart *chart, QChart::ChartType type) - : QObject(chart), - m_chart(chart), - m_options(QChart::NoAnimation), - m_state(ShowState), - m_background(0), - m_plotAreaBackground(0), - m_title(0), - m_localizeNumbers(false) -{ - if (type == QChart::ChartTypeCartesian) - m_layout = new CartesianChartLayout(this); - else if (type == QChart::ChartTypePolar) - m_layout = new PolarChartLayout(this); - Q_ASSERT(m_layout); -} - -ChartPresenter::~ChartPresenter() -{ - -} - -void ChartPresenter::setGeometry(const QRectF rect) -{ - if (m_rect != rect) { - m_rect = rect; - foreach (ChartItem *chart, m_chartItems) { - chart->domain()->setSize(rect.size()); - chart->setPos(rect.topLeft()); - } - } -} - -QRectF ChartPresenter::geometry() const -{ - return m_rect; -} - -void ChartPresenter::handleAxisAdded(QAbstractAxis *axis) -{ - axis->d_ptr->initializeGraphics(rootItem()); - axis->d_ptr->initializeAnimations(m_options); - ChartAxisElement *item = axis->d_ptr->axisItem(); - item->setPresenter(this); - item->setThemeManager(m_chart->d_ptr->m_themeManager); - m_axisItems<<item; - m_axes<<axis; - m_layout->invalidate(); -} - -void ChartPresenter::handleAxisRemoved(QAbstractAxis *axis) -{ - ChartAxisElement *item = axis->d_ptr->m_item.take(); - item->hide(); - item->disconnect(); - item->deleteLater(); - m_axisItems.removeAll(item); - m_axes.removeAll(axis); - m_layout->invalidate(); -} - - -void ChartPresenter::handleSeriesAdded(QAbstractSeries *series) -{ - series->d_ptr->initializeGraphics(rootItem()); - series->d_ptr->initializeAnimations(m_options); - series->d_ptr->setPresenter(this); - ChartItem *chart = series->d_ptr->chartItem(); - chart->setPresenter(this); - chart->setThemeManager(m_chart->d_ptr->m_themeManager); - chart->domain()->setSize(m_rect.size()); - chart->setPos(m_rect.topLeft()); - chart->handleDomainUpdated(); //this could be moved to intializeGraphics when animator is refactored - m_chartItems<<chart; - m_series<<series; - m_layout->invalidate(); -} - -void ChartPresenter::handleSeriesRemoved(QAbstractSeries *series) -{ - ChartItem *chart = series->d_ptr->m_item.take(); - chart->hide(); - chart->disconnect(); - chart->deleteLater(); - m_chartItems.removeAll(chart); - m_series.removeAll(series); - m_layout->invalidate(); -} - -void ChartPresenter::setAnimationOptions(QChart::AnimationOptions options) -{ - if (m_options != options) { - QChart::AnimationOptions oldOptions = m_options; - m_options = options; - if (options.testFlag(QChart::SeriesAnimations) != oldOptions.testFlag(QChart::SeriesAnimations)) { - foreach (QAbstractSeries *series, m_series) - series->d_ptr->initializeAnimations(m_options); - } - if (options.testFlag(QChart::GridAxisAnimations) != oldOptions.testFlag(QChart::GridAxisAnimations)) { - foreach (QAbstractAxis *axis, m_axes) - axis->d_ptr->initializeAnimations(m_options); - } - m_layout->invalidate(); // So that existing animations don't just stop halfway - } -} - -void ChartPresenter::setState(State state,QPointF point) -{ - m_state=state; - m_statePoint=point; -} - -QChart::AnimationOptions ChartPresenter::animationOptions() const -{ - return m_options; -} - -void ChartPresenter::createBackgroundItem() -{ - if (!m_background) { - m_background = new ChartBackground(rootItem()); - m_background->setPen(Qt::NoPen); // Theme doesn't touch pen so don't use default - m_background->setBrush(QChartPrivate::defaultBrush()); - m_background->setZValue(ChartPresenter::BackgroundZValue); - } -} - -void ChartPresenter::createPlotAreaBackgroundItem() -{ - if (!m_plotAreaBackground) { - if (m_chart->chartType() == QChart::ChartTypeCartesian) - m_plotAreaBackground = new QGraphicsRectItem(rootItem()); - else - m_plotAreaBackground = new QGraphicsEllipseItem(rootItem()); - // Use transparent pen instead of Qt::NoPen, as Qt::NoPen causes - // antialising artifacts with axis lines for some reason. - m_plotAreaBackground->setPen(QPen(Qt::transparent)); - m_plotAreaBackground->setBrush(Qt::NoBrush); - m_plotAreaBackground->setZValue(ChartPresenter::PlotAreaZValue); - m_plotAreaBackground->setVisible(false); - } -} - -void ChartPresenter::createTitleItem() -{ - if (!m_title) { - m_title = new ChartTitle(rootItem()); - m_title->setZValue(ChartPresenter::BackgroundZValue); - } -} - -void ChartPresenter::startAnimation(ChartAnimation *animation) -{ - animation->stop(); - QTimer::singleShot(0, animation, SLOT(startChartAnimation())); -} - -void ChartPresenter::setBackgroundBrush(const QBrush &brush) -{ - createBackgroundItem(); - m_background->setBrush(brush); - m_layout->invalidate(); -} - -QBrush ChartPresenter::backgroundBrush() const -{ - if (!m_background) - return QBrush(); - return m_background->brush(); -} - -void ChartPresenter::setBackgroundPen(const QPen &pen) -{ - createBackgroundItem(); - m_background->setPen(pen); - m_layout->invalidate(); -} - -QPen ChartPresenter::backgroundPen() const -{ - if (!m_background) - return QPen(); - return m_background->pen(); -} - -void ChartPresenter::setBackgroundRoundness(qreal diameter) -{ - createBackgroundItem(); - m_background->setDiameter(diameter); - m_layout->invalidate(); -} - -qreal ChartPresenter::backgroundRoundness() const -{ - if (!m_background) - return 0; - return m_background->diameter(); -} - -void ChartPresenter::setPlotAreaBackgroundBrush(const QBrush &brush) -{ - createPlotAreaBackgroundItem(); - m_plotAreaBackground->setBrush(brush); - m_layout->invalidate(); -} - -QBrush ChartPresenter::plotAreaBackgroundBrush() const -{ - if (!m_plotAreaBackground) - return QBrush(); - return m_plotAreaBackground->brush(); -} - -void ChartPresenter::setPlotAreaBackgroundPen(const QPen &pen) -{ - createPlotAreaBackgroundItem(); - m_plotAreaBackground->setPen(pen); - m_layout->invalidate(); -} - -QPen ChartPresenter::plotAreaBackgroundPen() const -{ - if (!m_plotAreaBackground) - return QPen(); - return m_plotAreaBackground->pen(); -} - -void ChartPresenter::setTitle(const QString &title) -{ - createTitleItem(); - m_title->setText(title); - m_layout->invalidate(); -} - -QString ChartPresenter::title() const -{ - if (!m_title) - return QString(); - return m_title->text(); -} - -void ChartPresenter::setTitleFont(const QFont &font) -{ - createTitleItem(); - m_title->setFont(font); - m_layout->invalidate(); -} - -QFont ChartPresenter::titleFont() const -{ - if (!m_title) - return QFont(); - return m_title->font(); -} - -void ChartPresenter::setTitleBrush(const QBrush &brush) -{ - createTitleItem(); - m_title->setDefaultTextColor(brush.color()); - m_layout->invalidate(); -} - -QBrush ChartPresenter::titleBrush() const -{ - if (!m_title) - return QBrush(); - return QBrush(m_title->defaultTextColor()); -} - -void ChartPresenter::setBackgroundVisible(bool visible) -{ - createBackgroundItem(); - m_background->setVisible(visible); -} - - -bool ChartPresenter::isBackgroundVisible() const -{ - if (!m_background) - return false; - return m_background->isVisible(); -} - -void ChartPresenter::setPlotAreaBackgroundVisible(bool visible) -{ - createPlotAreaBackgroundItem(); - m_plotAreaBackground->setVisible(visible); -} - -bool ChartPresenter::isPlotAreaBackgroundVisible() const -{ - if (!m_plotAreaBackground) - return false; - return m_plotAreaBackground->isVisible(); -} - -void ChartPresenter::setBackgroundDropShadowEnabled(bool enabled) -{ - createBackgroundItem(); - m_background->setDropShadowEnabled(enabled); -} - -bool ChartPresenter::isBackgroundDropShadowEnabled() const -{ - if (!m_background) - return false; - return m_background->isDropShadowEnabled(); -} - -void ChartPresenter::setLocalizeNumbers(bool localize) -{ - m_localizeNumbers = localize; - m_layout->invalidate(); -} - -void ChartPresenter::setLocale(const QLocale &locale) -{ - m_locale = locale; - m_layout->invalidate(); -} - -AbstractChartLayout *ChartPresenter::layout() -{ - return m_layout; -} - -QLegend *ChartPresenter::legend() -{ - return m_chart->legend(); -} - -void ChartPresenter::setVisible(bool visible) -{ - m_chart->setVisible(visible); -} - -ChartBackground *ChartPresenter::backgroundElement() -{ - return m_background; -} - -QAbstractGraphicsShapeItem *ChartPresenter::plotAreaElement() -{ - return m_plotAreaBackground; -} - -QList<ChartAxisElement *> ChartPresenter::axisItems() const -{ - return m_axisItems; -} - -QList<ChartItem *> ChartPresenter::chartItems() const -{ - return m_chartItems; -} - -ChartTitle *ChartPresenter::titleElement() -{ - return m_title; -} - -QRectF ChartPresenter::textBoundingRect(const QFont &font, const QString &text, qreal angle) -{ - static QGraphicsTextItem dummyTextItem; - static bool initMargin = true; - if (initMargin) { - dummyTextItem.document()->setDocumentMargin(textMargin()); - initMargin = false; - } - - dummyTextItem.setFont(font); - dummyTextItem.setHtml(text); - QRectF boundingRect = dummyTextItem.boundingRect(); - - // Take rotation into account - if (angle) { - QTransform transform; - transform.rotate(angle); - boundingRect = transform.mapRect(boundingRect); - } - - return boundingRect; -} - -// boundingRect parameter returns the rotated bounding rect of the text -QString ChartPresenter::truncatedText(const QFont &font, const QString &text, qreal angle, - qreal maxWidth, qreal maxHeight, QRectF &boundingRect) -{ - QString truncatedString(text); - boundingRect = textBoundingRect(font, truncatedString, angle); - if (boundingRect.width() > maxWidth || boundingRect.height() > maxHeight) { - // It can be assumed that almost any amount of string manipulation is faster - // than calculating one bounding rectangle, so first prepare a list of truncated strings - // to try. - static const char *truncateMatchString = "&#?[0-9a-zA-Z]*;$"; - static QRegExp truncateMatcher(truncateMatchString); - - QVector<QString> testStrings(text.length()); - int count(0); - static QLatin1Char closeTag('>'); - static QLatin1Char openTag('<'); - static QLatin1Char semiColon(';'); - static QLatin1String ellipsis("..."); - while (truncatedString.length() > 1) { - int chopIndex(-1); - int chopCount(1); - QChar lastChar(truncatedString.at(truncatedString.length() - 1)); - - if (lastChar == closeTag) - chopIndex = truncatedString.lastIndexOf(openTag); - else if (lastChar == semiColon) - chopIndex = truncateMatcher.indexIn(truncatedString, 0); - - if (chopIndex != -1) - chopCount = truncatedString.length() - chopIndex; - truncatedString.chop(chopCount); - testStrings[count] = truncatedString + ellipsis; - count++; - } - - // Binary search for best fit - int minIndex(0); - int maxIndex(count - 1); - int bestIndex(count); - QRectF checkRect; - - while (maxIndex >= minIndex) { - int mid = (maxIndex + minIndex) / 2; - checkRect = textBoundingRect(font, testStrings.at(mid), angle); - if (checkRect.width() > maxWidth || checkRect.height() > maxHeight) { - // Checked index too large, all under this are also too large - minIndex = mid + 1; - } else { - // Checked index fits, all over this also fit - maxIndex = mid - 1; - bestIndex = mid; - boundingRect = checkRect; - } - } - // Default to "..." if nothing fits - if (bestIndex == count) { - boundingRect = textBoundingRect(font, ellipsis, angle); - truncatedString = ellipsis; - } else { - truncatedString = testStrings.at(bestIndex); - } - } - - return truncatedString; -} - -QString ChartPresenter::numberToString(double value, char f, int prec) -{ - if (m_localizeNumbers) - return m_locale.toString(value, f, prec); - else - return QString::number(value, f, prec); -} - -QString ChartPresenter::numberToString(int value) -{ - if (m_localizeNumbers) - return m_locale.toString(value); - else - return QString::number(value); -} - -#include "moc_chartpresenter_p.cpp" - -QTCOMMERCIALCHART_END_NAMESPACE |