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2020-08-27 14:19:28 +02:00

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QML

/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
*
* Copyright 2013 - 2020, nymea GmbH
* Contact: contact@nymea.io
*
* This file is part of nymea.
* This project including source code and documentation is protected by
* copyright law, and remains the property of nymea GmbH. All rights, including
* reproduction, publication, editing and translation, are reserved. The use of
* this project is subject to the terms of a license agreement to be concluded
* with nymea GmbH in accordance with the terms of use of nymea GmbH, available
* under https://nymea.io/license
*
* GNU General Public License Usage
* Alternatively, this project may be redistributed and/or modified under the
* terms of the GNU General Public License as published by the Free Software
* Foundation, GNU version 3. This project is distributed in the hope that it
* will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty
* of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
* Public License for more details.
*
* You should have received a copy of the GNU General Public License along with
* this project. If not, see <https://www.gnu.org/licenses/>.
*
* For any further details and any questions please contact us under
* contact@nymea.io or see our FAQ/Licensing Information on
* https://nymea.io/license/faq
*
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
import QtQuick 2.8
import QtQuick.Controls 2.1
import QtQuick.Controls.Material 2.1
import QtQuick.Layouts 1.2
import QtCharts 2.2
import Nymea 1.0
import "../components"
import "../delegates"
MainViewBase {
id: root
ThingsProxy {
id: consumers
engine: _engine
shownInterfaces: ["smartmeterconsumer"]
}
ThingsProxy {
id: producers
engine: _engine
shownInterfaces: ["smartmeterproducer"]
}
EmptyViewPlaceholder {
anchors.centerIn: parent
width: parent.width - app.margins * 2
visible: !engine.thingManager.fetchingData && consumers.count == 0
title: qsTr("There are no energy meters installed.")
text: qsTr("To get an overview of your current energy usage, install some energy meters.")
imageSource: "../images/smartmeter.svg"
buttonText: qsTr("Add things")
}
Flickable {
anchors.fill: parent
topMargin: app.margins
contentHeight: energyGrid.childrenRect.height
GridLayout {
id: energyGrid
width: parent.width
visible: consumers.count > 0
columns: root.width > 600 ? 2 : 1
rowSpacing: 0
SmartMeterChart {
Layout.preferredWidth: energyGrid.width / energyGrid.columns
Layout.preferredHeight: width * .7
meters: consumers
title: qsTr("Total consumed energy")
visible: consumers.count > 0
}
ChartView {
id: chartView
Layout.fillWidth: true
Layout.preferredHeight: width * .75
legend.alignment: Qt.AlignBottom
legend.font.pixelSize: app.smallFont
legend.visible: false
backgroundColor: app.backgroundColor
title: qsTr("Power usage history")
property var startTime: xAxis.min
property var endTime: xAxis.max
property int sampleRate: XYSeriesAdapter.SampleRateMinute
property int busyModels: 0
BusyIndicator {
anchors.centerIn: parent
visible: chartView.busyModels > 0
running: visible
}
Repeater {
id: consumersRepeater
model: consumers
delegate: Item {
id: consumer
property Thing thing: consumers.get(index)
property var model: LogsModel {
id: logsModel
engine: _engine
thingId: consumer.thing.id
typeIds: [consumer.thing.thingClass.stateTypes.findByName("currentPower").id]
viewStartTime: xAxis.min
live: true
onBusyChanged: {
if (busy) {
chartView.busyModels++
} else {
chartView.busyModels--
}
}
}
property XYSeriesAdapter adapter: XYSeriesAdapter {
id: seriesAdapter
logsModel: logsModel
sampleRate: chartView.sampleRate
xySeries: upperSeries
}
Connections {
target: xAxis
onMinChanged: seriesAdapter.ensureSamples(xAxis.min, xAxis.max)
onMaxChanged: seriesAdapter.ensureSamples(xAxis.min, xAxis.max)
}
property XYSeries lineSeries: LineSeries {
id: upperSeries
onPointAdded: {
var newPoint = upperSeries.at(index)
if (newPoint.x > lowerSeries.at(0).x) {
lowerSeries.replace(0, newPoint.x, 0)
}
if (newPoint.x < lowerSeries.at(1).x) {
lowerSeries.replace(1, newPoint.x, 0)
}
}
}
LineSeries {
id: lowerSeries
XYPoint { x: xAxis.max.getTime(); y: 0 }
XYPoint { x: xAxis.min.getTime(); y: 0 }
}
Component.onCompleted: {
print("creating series")
seriesAdapter.ensureSamples(xAxis.min, xAxis.max)
var areaSeries = chartView.createSeries(ChartView.SeriesTypeArea, consumer.thing.name, xAxis, yAxis)
areaSeries.upperSeries = upperSeries;
if (index > 0) {
areaSeries.lowerSeries = consumersRepeater.itemAt(index - 1).lineSeries
seriesAdapter.baseSeries = consumersRepeater.itemAt(index - 1).lineSeries
} else {
areaSeries.lowerSeries = lowerSeries;
}
var color = app.accentColor
for (var j = 0; j < index; j+=2) {
if (index % 2 == 0) {
color = Qt.lighter(color, 1.2);
} else {
color = Qt.darker(color, 1.2)
}
}
areaSeries.color = color;
areaSeries.borderColor = color;
areaSeries.borderWidth = 0;
}
}
}
ValueAxis {
id: yAxis
readonly property XYSeriesAdapter adapter: consumersRepeater.itemAt(consumersRepeater.count - 1).adapter;
max: Math.ceil(adapter.maxValue + Math.abs(adapter.maxValue * .05))
min: Math.floor(adapter.minValue - Math.abs(adapter.minValue * .05))
onMinChanged: applyNiceNumbers();
onMaxChanged: applyNiceNumbers();
labelsFont.pixelSize: app.smallFont
labelFormat: "%d"
labelsColor: app.foregroundColor
color: Qt.rgba(app.foregroundColor.r, app.foregroundColor.g, app.foregroundColor.b, .2)
gridLineColor: color
}
DateTimeAxis {
id: xAxis
gridVisible: false
color: Qt.rgba(app.foregroundColor.r, app.foregroundColor.g, app.foregroundColor.b, .2)
tickCount: chartView.width / 70
labelsFont.pixelSize: app.smallFont
labelsColor: app.foregroundColor
property int timeDiff: (xAxis.max.getTime() - xAxis.min.getTime()) / 1000
function getTimeSpanString() {
var td = timeDiff
if (td < 60) {
return qsTr("%1 seconds").arg(Math.round(td));
}
td = td / 60
if (td < 60) {
return qsTr("%1 minutes").arg(Math.round(td));
}
td = td / 60
if (td < 48) {
return qsTr("%1 hours").arg(Math.round(td));
}
td = td / 24;
if (td < 14) {
return qsTr("%1 days").arg(Math.round(td));
}
td = td / 7
if (td < 9) {
return qsTr("%1 weeks").arg(Math.round(td));
}
td = td * 7 / 30
if (td < 24) {
return qsTr("%1 months").arg(Math.round(td));
}
td = td * 30 / 356
return qsTr("%1 years").arg(Math.round(td))
}
titleText: {
if (xAxis.min.getYear() === xAxis.max.getYear()
&& xAxis.min.getMonth() === xAxis.max.getMonth()
&& xAxis.min.getDate() === xAxis.max.getDate()) {
return Qt.formatDate(xAxis.min) + " (" + getTimeSpanString() + ")"
}
return Qt.formatDate(xAxis.min) + " - " + Qt.formatDate(xAxis.max) + " (" + getTimeSpanString() + ")"
}
titleBrush: app.foregroundColor
format: {
if (timeDiff < 60) { // one minute
return "mm:ss"
}
if (timeDiff < 60 * 60) { // one hour
return "hh:mm"
}
if (timeDiff < 60 * 60 * 24 * 2) { // two day
return "hh:mm"
}
if (timeDiff < 60 * 60 * 24 * 7) { // one week
return "ddd hh:mm"
}
if (timeDiff < 60 * 60 * 24 * 7 * 30) { // one month
return "dd.MM."
}
return "MMM yy"
}
min: {
var date = new Date();
date.setTime(date.getTime() - (1000 * 60 * 60 * 6) + 2000);
return date;
}
max: {
var date = new Date();
date.setTime(date.getTime() + 2000)
return date;
}
}
MouseArea {
id: scrollMouseArea
x: chartView.plotArea.x
y: chartView.plotArea.y
width: chartView.plotArea.width
height: chartView.plotArea.height
property int lastX: 0
property int startX: 0
preventStealing: false
property bool autoScroll: true
function scrollRightLimited(dx) {
chartView.animationOptions = ChartView.NoAnimation
var now = new Date()
// if we're already at the limit, don't even start scrolling
if (dx < 0 || xAxis.max < now) {
chartView.scrollRight(dx)
}
// figure out if we scrolled too far
var overshoot = xAxis.max.getTime() - now.getTime()
// print("overshoot is:", overshoot, "oldMax", xAxis.max, "newMax", now, "oldMin", xAxis.min, "newMin", new Date(xAxis.min.getTime() - overshoot))
if (overshoot > 0) {
var range = xAxis.max - xAxis.min
xAxis.max = now
xAxis.min = new Date(xAxis.max.getTime() - range)
}
// If the user scrolled closer than 5 pixels to the right edge, enable autoscroll
autoScroll = overshoot > -5;
chartView.animationOptions = ChartView.SeriesAnimations
}
function zoomInLimited(dy) {
chartView.animationOptions = ChartView.NoAnimation
var oldMax = xAxis.max;
chartView.scrollRight(dy);
xAxis.min = new Date(xAxis.min.getTime() - xAxis.timeDiff * 1000 * 2)
chartView.animationOptions = ChartView.SeriesAnimations
}
onPressed: {
lastX = mouse.x
startX = mouse.x
preventStealing = true
}
onClicked: {
// var pt = chartView.mapToValue(Qt.point(mouse.x + chartView.plotArea.x, mouse.y + chartView.plotArea.y), mainSeries)
// mainSeries.markClosestPoint(pt)
}
onWheel: {
scrollRightLimited(-wheel.pixelDelta.x)
// zoomInLimited(wheel.pixelDelta.y)
}
onPositionChanged: {
if (lastX !== mouse.x) {
scrollRightLimited(lastX - mouseX)
lastX = mouse.x
}
if (Math.abs(startX - mouse.x) > 10) {
preventStealing = true;
}
}
onReleased: preventStealing = false;
Timer {
running: scrollMouseArea.autoScroll
interval: 1000
repeat: true
onTriggered: {
scrollMouseArea.scrollRightLimited(10)
}
}
}
}
SmartMeterChart {
Layout.fillWidth: true
Layout.preferredHeight: width * .7
meters: producers
title: qsTr("Total produced energy")
visible: producers.count > 0
multiplier: -1
}
}
}
}