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Diffstat (limited to 'src/scatterchart/scatterchartitem.cpp')
| -rw-r--r-- | src/scatterchart/scatterchartitem.cpp | 237 |
1 files changed, 0 insertions, 237 deletions
diff --git a/src/scatterchart/scatterchartitem.cpp b/src/scatterchart/scatterchartitem.cpp deleted file mode 100644 index dda32e55..00000000 --- a/src/scatterchart/scatterchartitem.cpp +++ /dev/null @@ -1,237 +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 "scatterchartitem_p.h" -#include "qscatterseries.h" -#include "qscatterseries_p.h" -#include "chartpresenter_p.h" -#include "abstractdomain_p.h" -#include "qchart.h" -#include <QPainter> -#include <QGraphicsScene> -#include <QDebug> -#include <QGraphicsSceneMouseEvent> - -QTCOMMERCIALCHART_BEGIN_NAMESPACE - -ScatterChartItem::ScatterChartItem(QScatterSeries *series, QGraphicsItem *item) - : XYChart(series,item), - m_series(series), - m_items(this), - m_visible(true), - m_shape(QScatterSeries::MarkerShapeRectangle), - m_size(15), - m_pointLabelsVisible(false), - m_pointLabelsFormat(series->pointLabelsFormat()), - m_pointLabelsFont(series->pointLabelsFont()), - m_pointLabelsColor(series->pointLabelsColor()) -{ - QObject::connect(m_series->d_func(), SIGNAL(updated()), this, SLOT(handleUpdated())); - QObject::connect(m_series, SIGNAL(visibleChanged()), this, SLOT(handleUpdated())); - QObject::connect(m_series, SIGNAL(opacityChanged()), this, SLOT(handleUpdated())); - QObject::connect(series, SIGNAL(pointLabelsFormatChanged(QString)), - this, SLOT(handleUpdated())); - QObject::connect(series, SIGNAL(pointLabelsVisibilityChanged(bool)), - this, SLOT(handleUpdated())); - QObject::connect(series, SIGNAL(pointLabelsFontChanged(QFont)), this, SLOT(handleUpdated())); - QObject::connect(series, SIGNAL(pointLabelsColorChanged(QColor)), this, SLOT(handleUpdated())); - - setZValue(ChartPresenter::ScatterSeriesZValue); - setFlags(QGraphicsItem::ItemClipsChildrenToShape); - - handleUpdated(); - - m_items.setHandlesChildEvents(false); -} - -QRectF ScatterChartItem::boundingRect() const -{ - return m_rect; -} - -void ScatterChartItem::createPoints(int count) -{ - for (int i = 0; i < count; ++i) { - - QGraphicsItem *item = 0; - - switch (m_shape) { - case QScatterSeries::MarkerShapeCircle: { - item = new CircleMarker(0, 0, m_size, m_size, this); - const QRectF &rect = item->boundingRect(); - item->setPos(-rect.width() / 2, -rect.height() / 2); - break; - } - case QScatterSeries::MarkerShapeRectangle: - item = new RectangleMarker(0, 0, m_size, m_size, this); - item->setPos(-m_size / 2, -m_size / 2); - break; - default: - qWarning() << "Unsupported marker type"; - break; - } - m_items.addToGroup(item); - } -} - -void ScatterChartItem::deletePoints(int count) -{ - QList<QGraphicsItem *> items = m_items.childItems(); - - for (int i = 0; i < count; ++i) { - QGraphicsItem *item = items.takeLast(); - m_markerMap.remove(item); - delete(item); - } -} - -void ScatterChartItem::markerSelected(QGraphicsItem *marker) -{ - emit XYChart::clicked(m_markerMap[marker]); -} - -void ScatterChartItem::markerHovered(QGraphicsItem *marker, bool state) -{ - emit XYChart::hovered(m_markerMap[marker], state); -} - -void ScatterChartItem::updateGeometry() -{ - - const QVector<QPointF>& points = geometryPoints(); - - if (points.size() == 0) { - deletePoints(m_items.childItems().count()); - return; - } - - int diff = m_items.childItems().size() - points.size(); - - if (diff > 0) - deletePoints(diff); - else if (diff < 0) - createPoints(-diff); - - if (diff != 0) - handleUpdated(); - - QList<QGraphicsItem *> items = m_items.childItems(); - - QRectF clipRect(QPointF(0,0),domain()->size()); - - // Only zoom in if the clipRect fits inside int limits. QWidget::update() uses - // a region that has to be compatible with QRect. - if (clipRect.height() <= INT_MAX - && clipRect.width() <= INT_MAX) { - QVector<bool> offGridStatus = offGridStatusVector(); - const int seriesLastIndex = m_series->count() - 1; - - for (int i = 0; i < points.size(); i++) { - QGraphicsItem *item = items.at(i); - const QPointF &point = points.at(i); - const QRectF &rect = item->boundingRect(); - // During remove animation series may have different number of points, - // so ensure we don't go over the index. Animation handling itself ensures that - // if there is actually no points in the series, then it won't generate a fake point, - // so we can be assured there is always at least one point in m_series here. - // Note that marker map values can be technically incorrect during the animation, - // if it was caused by an insert, but this shouldn't be a problem as the points are - // fake anyway. After remove animation stops, geometry is updated to correct one. - m_markerMap[item] = m_series->at(qMin(seriesLastIndex, i)); - item->setPos(point.x() - rect.width() / 2, point.y() - rect.height() / 2); - - if (!m_visible || offGridStatus.at(i)) - item->setVisible(false); - else - item->setVisible(true); - } - - prepareGeometryChange(); - m_rect = clipRect; - } -} - -void ScatterChartItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget) -{ - Q_UNUSED(option) - Q_UNUSED(widget) - - QRectF clipRect = QRectF(QPointF(0, 0), domain()->size()); - - painter->save(); - painter->setClipRect(clipRect); - - if (m_pointLabelsVisible) { - m_series->d_func()->drawSeriesPointLabels(painter, m_points, - m_series->markerSize() / 2 - + m_series->pen().width()); - } - - painter->restore(); -} - -void ScatterChartItem::setPen(const QPen &pen) -{ - foreach (QGraphicsItem *item , m_items.childItems()) - static_cast<QAbstractGraphicsShapeItem*>(item)->setPen(pen); -} - -void ScatterChartItem::setBrush(const QBrush &brush) -{ - foreach (QGraphicsItem *item , m_items.childItems()) - static_cast<QAbstractGraphicsShapeItem*>(item)->setBrush(brush); -} - -void ScatterChartItem::handleUpdated() -{ - int count = m_items.childItems().count(); - - if (count == 0) - return; - - bool recreate = m_visible != m_series->isVisible() - || m_size != m_series->markerSize() - || m_shape != m_series->markerShape(); - - m_visible = m_series->isVisible(); - m_size = m_series->markerSize(); - m_shape = m_series->markerShape(); - setOpacity(m_series->opacity()); - m_pointLabelsFormat = m_series->pointLabelsFormat(); - m_pointLabelsVisible = m_series->pointLabelsVisible(); - m_pointLabelsFont = m_series->pointLabelsFont(); - m_pointLabelsColor = m_series->pointLabelsColor(); - - if (recreate) { - deletePoints(count); - createPoints(count); - - // Updating geometry is now safe, because it won't call handleUpdated unless it creates/deletes points - updateGeometry(); - } - - setPen(m_series->pen()); - setBrush(m_series->brush()); - update(); -} - -#include "moc_scatterchartitem_p.cpp" - -QTCOMMERCIALCHART_END_NAMESPACE |