BrewPlot/qml/BrewPlot/main.qml

import CustomComponents 1.0
import QtQuick 1.0

Rectangle {
    id: root

    property real sumy : 0
    property real sumxsq : 0
    property real sumx : 0
    property real sumxy : 0
    property int n : 0

    width: 720
    height: 680

    BrewingControlChart {
        id: graph

        width: 450; height: 600
        anchors {right: parent.right; rightMargin: 20; top: parent.top; topMargin: 20}
    }
    ListView {
        spacing: 3
        height: 400
        width: 100
        z: -1
        contentHeight: dataViewModel.count * 35

        model: ListModel {
            id: dataViewModel
        }
        delegate: Row {
            spacing: 3

            Rectangle {
                width: 30; height: 30
                color: dataViewModel.get(index).color
            }
            Column {
                Text {
                    text: "Strength: " + dataViewModel.get(index).ptds + "% TDS"
                }
                Text {
                    text: "Extraction: " + Number(dataViewModel.get(index).extraction * 100).toFixed(2) + "%"
                }
            }
        }
    }
    Component.onCompleted: {
        var quitItem = window.addMenuItem("File", "Quit");
        quitItem.shortcut = "Ctrl+Q";
        quitItem.triggered.connect(function() {
            Qt.quit();
        });
        var clearItem = window.addMenuItem("Plotting", "Clear Data");
        clearItem.triggered.connect(function() {
            graph.clear();
            dataViewModel.clear();
            root.sumy = 0;
            root.sumxsq = 0;
            root.sumx = 0;
            root.sumxy = 0;
            root.n = 0;
            graph.setFit(0, 0, 0, 0);
        });
        var showLeastSquares = window.addMenuItem("Plotting", "Least Squares Fit");
        showLeastSquares.checkable = true;
        showLeastSquares.triggered.connect(function() {
            graph.setFitVisible(showLeastSquares.checked);
            lsfrow.visible = showLeastSquares.checked;
        });
    }
}