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/****************************************************************************
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/****************************************************************************
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**
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**
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** Copyright (C) 2012 Digia Plc
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** Copyright (C) 2012 Digia Plc
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** All rights reserved.
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** All rights reserved.
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** For any questions to Digia, please use contact form at http://qt.digia.com
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** For any questions to Digia, please use contact form at http://qt.digia.com
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**
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**
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** This file is part of the Qt Commercial Charts Add-on.
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** This file is part of the Qt Commercial Charts Add-on.
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**
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**
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** $QT_BEGIN_LICENSE$
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** $QT_BEGIN_LICENSE$
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** Licensees holding valid Qt Commercial licenses may use this file in
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** Licensees holding valid Qt Commercial licenses may use this file in
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** accordance with the Qt Commercial License Agreement provided with the
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** accordance with the Qt Commercial License Agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and Digia.
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** a written agreement between you and Digia.
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**
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**
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** If you have questions regarding the use of this file, please use
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** If you have questions regarding the use of this file, please use
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** contact form at http://qt.digia.com
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** contact form at http://qt.digia.com
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** $QT_END_LICENSE$
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** $QT_END_LICENSE$
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**
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**
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****************************************************************************/
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****************************************************************************/
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import QtQuick 1.1
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import QtQuick 1.1
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import QtCommercial.Chart 1.1
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import QtCommercial.Chart 1.1
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Rectangle {
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Rectangle {
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width: 360
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width: 400
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height: 360
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height: 300
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property int currentIndex: -1
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property int currentIndex: -1
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//![1]
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//![1]
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ChartView {
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ChartView {
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id: chartView
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id: chartView
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title: "Driver Speeds, lap 1"
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title: "Driver Speeds, lap 1"
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anchors.fill: parent
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anchors.fill: parent
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legend.alignment: Qt.AlignTop
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legend.alignment: Qt.AlignTop
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animationOptions: ChartView.SeriesAnimations
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animationOptions: ChartView.SeriesAnimations
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}
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}
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//![1]
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//![1]
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//![2]
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//![2]
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// An example XmlListModel containing F1 legend drivers' speeds at speed traps
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// An example XmlListModel containing F1 legend drivers' speeds at speed traps
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SpeedsXml {
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SpeedsXml {
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id: speedsXml
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id: speedsXml
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onStatusChanged: {
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onStatusChanged: {
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if (status == XmlListModel.Ready) {
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if (status == XmlListModel.Ready) {
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timer.start();
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timer.start();
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}
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}
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}
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}
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}
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}
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//![2]
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//![2]
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//![3]
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//![3]
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// A timer to mimic refreshing the data dynamically
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// A timer to mimic refreshing the data dynamically
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Timer {
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Timer {
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id: timer
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id: timer
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interval: 700
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interval: 700
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repeat: true
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repeat: true
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triggeredOnStart: true
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triggeredOnStart: true
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running: false
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running: false
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onTriggered: {
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onTriggered: {
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currentIndex++;
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currentIndex++;
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if (currentIndex < speedsXml.count) {
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if (currentIndex < speedsXml.count) {
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// Check if there is a series for the data already (we are using driver name to identify series)
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// Check if there is a series for the data already (we are using driver name to identify series)
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var lineSeries = chartView.series(speedsXml.get(currentIndex).driver);
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var lineSeries = chartView.series(speedsXml.get(currentIndex).driver);
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if (!lineSeries) {
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if (!lineSeries) {
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lineSeries = chartView.createSeries(ChartView.SeriesTypeLine, speedsXml.get(currentIndex).driver);
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lineSeries = chartView.createSeries(ChartView.SeriesTypeLine, speedsXml.get(currentIndex).driver);
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chartView.axisY().min = 0;
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chartView.axisY().min = 0;
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chartView.axisY().max = 250;
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chartView.axisY().max = 250;
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chartView.axisY().tickCount = 6;
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chartView.axisY().tickCount = 6;
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chartView.axisY().titleText = "speed (kph)";
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chartView.axisY().titleText = "speed (kph)";
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chartView.axisX().titleText = "speed trap";
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chartView.axisX().titleText = "speed trap";
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chartView.axisX().labelFormat = "%.0f";
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chartView.axisX().labelFormat = "%.0f";
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}
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}
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lineSeries.append(speedsXml.get(currentIndex).speedTrap, speedsXml.get(currentIndex).speed);
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lineSeries.append(speedsXml.get(currentIndex).speedTrap, speedsXml.get(currentIndex).speed);
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if (speedsXml.get(currentIndex).speedTrap > 3) {
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if (speedsXml.get(currentIndex).speedTrap > 3) {
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chartView.axisX().max = Number(speedsXml.get(currentIndex).speedTrap) + 1;
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chartView.axisX().max = Number(speedsXml.get(currentIndex).speedTrap) + 1;
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chartView.axisX().min = chartView.axisX().max - 5;
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chartView.axisX().min = chartView.axisX().max - 5;
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} else {
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} else {
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chartView.axisX().max = 5;
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chartView.axisX().max = 5;
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chartView.axisX().min = 0;
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chartView.axisX().min = 0;
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}
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}
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chartView.axisX().tickCount = chartView.axisX().max - chartView.axisX().min + 1;
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chartView.axisX().tickCount = chartView.axisX().max - chartView.axisX().min + 1;
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} else {
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} else {
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// No more data, change x-axis range to show all the data
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// No more data, change x-axis range to show all the data
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timer.stop();
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timer.stop();
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chartView.animationOptions = ChartView.AllAnimations;
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chartView.animationOptions = ChartView.AllAnimations;
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chartView.axisX().min = 0;
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chartView.axisX().min = 0;
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chartView.axisX().max = speedsXml.get(currentIndex - 1).speedTrap;
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chartView.axisX().max = speedsXml.get(currentIndex - 1).speedTrap;
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}
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}
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}
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}
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}
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}
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//![3]
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//![3]
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}
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}
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