ChartViewHighlighted.qml Example File

qmlcustomlegend/qml/qmlcustomlegend/ChartViewHighlighted.qml

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  ** This file is part of the Qt Charts module of the Qt Toolkit.
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  import QtQuick 2.0
  import QtCharts 2.0

  ChartView {
      id: chartViewHighlighted
      title: ""
      property variant selectedSeries
      signal clicked
      legend.visible: false
      margins.top: 10
      margins.bottom: 0
      antialiasing: true

      LineSeries {
          id: lineSeries

          axisX: ValueAxis {
              min: 2006
              max: 2012
              labelFormat: "%.0f"
              tickCount: 7
          }
          axisY: ValueAxis {
              id: axisY
              titleText: "EUR"
              min: 0
              max: 40000
              labelFormat: "%.0f"
              tickCount: 5
          }
      }

      MouseArea {
          anchors.fill: parent
          onClicked: {
              chartViewHighlighted.clicked();
          }
      }

      onSelectedSeriesChanged: {
          lineSeries.clear();
          lineSeries.color = selectedSeries.color;
          var maxVal = 0.0;
          for (var i = 0; i < selectedSeries.upperSeries.count; i++ ) {
              var y = selectedSeries.upperSeries.at(i).y - selectedSeries.lowerSeries.at(i).y;
              lineSeries.append(selectedSeries.upperSeries.at(i).x, y);
              if (maxVal < y)
                  maxVal = y;
          }
          chartViewHighlighted.title = selectedSeries.name;
          axisY.max = maxVal;
          axisY.applyNiceNumbers()
      }
  }