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/****************************************************************************
**
** Copyright (C) 2017 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the examples of Qt for Device Creation.
**
** $QT_BEGIN_LICENSE:BSD$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** BSD License Usage
** Alternatively, you may use this file under the terms of the BSD license
** as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in
** the documentation and/or other materials provided with the
** distribution.
** * Neither the name of The Qt Company Ltd nor the names of its
** contributors may be used to endorse or promote products derived
** from this software without specific prior written permission.
**
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
**
** $QT_END_LICENSE$
**
****************************************************************************/
import QtQuick 2.7
import QtCharts 2.1
import SensorTag.DataProvider 1.0
BaseChart {
id: tempHolderRect
property int temperatureSeriesIndex: 0
property int maxNumOfTempReadings: 240
property real minimum: 10
property real maximum: 40
property real minValue: Number.MAX_VALUE
property real maxValue: Number.MIN_VALUE
readonly property real avgValue: (maxValue - minValue) / 2
property real value
readonly property color legendColor: "white"
readonly property color chartColor: "#15bdff"
onSensorChanged: if (sensor) {
sensor.infraredAmbientTemperatureChanged.connect(contentItem.updateTemperatureGraph)
}
title: qsTr("Ambient Temperature")
content: Item {
anchors.fill: parent
function updateTemperatureGraph() {
avgTempSeries.append(temperatureSeriesIndex, sensor.infraredAmbientTemperature);
if (temperatureSeriesIndex >= maxNumOfTempReadings) {
avgTempSeries.remove(avgTempSeries.at(temperatureSeriesIndex-maxNumOfTempReadings));
valueAxisX.min++;
valueAxisX.max++;
}
temperatureSeriesIndex++;
var value = sensor.infraredAmbientTemperature;
if (minValue > value)
minValue = value;
if (maxValue < value)
maxValue = value;
}
Item {
id: valueReading
anchors.right: parent.right
anchors.top: chartView.top
anchors.topMargin: chartView.plotArea.y - 16
width: childrenRect.width
height: childrenRect.height
Text {
id: highValue
text: "Highest\n" + (maxValue !== Number.MIN_VALUE ? maxValue : "--")
lineHeight: 0.7
width: 60
horizontalAlignment: Text.Center
anchors.horizontalCenter: reading.horizontalCenter
color: "white"
}
Image {
id: reading
source: pathPrefix + "AmbientTemperature/ambTemp_display_amb.png"
anchors.top: highValue.bottom
anchors.topMargin: 10
Text {
anchors.centerIn: parent
text: sensor ? sensor.infraredAmbientTemperature : ""
color: "white"
}
}
Text {
text: (minValue !== Number.MAX_VALUE ? minValue : "--") + "\nLowest"
lineHeight: 0.8
width: 60
horizontalAlignment: Text.Center
color: "white"
anchors.top: reading.bottom
anchors.topMargin: 6
anchors.horizontalCenter: reading.horizontalCenter
}
Text {
text: "Avg\n" + (sensor ? sensor.barometerTemperatureAverage.toFixed(1) : "")
lineHeight: 0.8
width: 60
horizontalAlignment: Text.Center
color: "white"
anchors.left: reading.right
anchors.verticalCenter: reading.verticalCenter
}
}
ChartView {
id: chartView
anchors.top: parent.top
anchors.bottom: parent.bottom
anchors.bottomMargin: xLegend.height + 8
anchors.left: parent.left
anchors.leftMargin: -25
anchors.right: valueReading.left
anchors.rightMargin: -20
antialiasing: true
backgroundColor: "transparent"
legend.visible: false
margins.top: 0
margins.bottom: 0
margins.left: 0
// Hide the value axis labels; labels are drawn separately.
ValueAxis {
id: valueAxisX
labelsVisible: false
min: 0
max: maxNumOfTempReadings + 1
tickCount: 6
labelsColor: legendColor
color: chartColor
gridLineColor: chartColor
}
ValueAxis {
id: valueAxisY
labelsVisible: false
min: minimum
max: maximum
tickCount: 7
color: chartColor
gridLineColor: chartColor
}
LineSeries {
id: avgTempSeries
axisX: valueAxisX
axisY: valueAxisY
color: chartColor
width: 1
useOpenGL: true
}
Column {
id: col
property int step: (valueAxisY.max - valueAxisY.min) / (valueAxisY.tickCount - 1)
spacing: (valueAxisY.tickCount - 0.7) / 2
y: chartView.plotArea.y - 10
x: 24
z: 5
Repeater {
model: valueAxisY.tickCount
Text {
text: valueAxisY.max - index * col.step
horizontalAlignment: Text.AlignRight
width: 20
color: legendColor
font: fontMetrics.font
}
}
}
Row {
id: xLegend
x: chartView.plotArea.x
y: chartView.plotArea.y + chartView.plotArea.height + height + 6
spacing: (chartView.plotArea.width) / (valueAxisX.tickCount - 0.7) + 1
Repeater {
model: valueAxisX.tickCount
// Enclosing Text inside Item allows layouting Text correctly on the axis
Item {
width: 1
height: 1
Text {
id: legendText
text: index
color: legendColor
anchors.horizontalCenter: parent.horizontalCenter
font: fontMetrics.font
}
}
}
}
Text {
text: "°C"
anchors.top: parent.top
anchors.topMargin: chartView.plotArea.y - height - 4
anchors.right: col.right
color: legendColor
font: fontMetrics.font
}
Text {
text: "h"
anchors.top: xLegend.top
x: chartView.plotArea.x + chartView.plotArea.width + 16
color: legendColor
font: fontMetrics.font
}
}
}
// Create TextMetrics to allow easy use of the same font in the ChartView
TextMetrics {
id: fontMetrics
font.family: "Titillium Web"
font.pixelSize: 14
text: "m"
}
}
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