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| import QtQuick
import QtQuick.Controls.iOS
import QtQuick.Layouts
Window {
width: 640
height: 480
visible: true
title: qsTr("From Data to Visualization: Building Animated QML Charts")
property int iDuration: 400
property int interval: 60
property var chartData :
[{duration: iDuration, height: 20, y: 170, x: 10, newY: 170, fHeight: 20, paceY: 10, sHeight: 20}
, {duration: iDuration + interval, height: 25, y: 163, x: 40, newY: 163, fHeight: 25, paceY: 20, sHeight: 25 }
, {duration: iDuration + interval * 2, height: 20, y: 160, x: 70, x: 70, newY: 160, fHeight: 20, paceY: 20, sHeight: 20}
, {duration: iDuration + interval * 3, height: 20, y: 150, x: 100, newY: 150, fHeight: 20, paceY: 23, sHeight: 30}
, {duration: iDuration + interval * 4, height: 25, y: 140, x: 130, newY: 140, fHeight: 25, paceY: 23, sHeight: 35}
, {duration: iDuration + interval * 5, height: 20, y: 150, x: 160, newY: 150, fHeight: 20, paceY: 10, sHeight: 20}
, {duration: iDuration + interval * 6, height: 20, y: 150, x: 190, newY: 150, fHeight: 20, paceY: 20, sHeight: 45}
, {duration: iDuration + interval * 7, height: 100, y: 50, x: 220, newY: 50, fHeight: 100, paceY: 90, sHeight: 75}
, {duration: iDuration + interval * 8, height: 30, y: 40, x: 250, newY: 40, fHeight: 35, paceY: 50, sHeight: 85}
, {duration: iDuration + interval * 9, height: 30, y: 45, x: 280, newY: 75, fHeight: 50, paceY: 10, sHeight: 20}
, {duration: iDuration + interval * 10, height: 80, y: 100, x: 310, newY: 140, fHeight: 20, paceY: 10, sHeight: 25}
, {duration: iDuration + interval * 11, height: 20, y: 170, x: 340, newY: 120, fHeight: 20, paceY: 10, sHeight: 20}]
property int rowSpacing: 10
property int lineWidth: 20
property int graphWidth: lineWidth * chartData.length + rowSpacing * (chartData.length + 1)
ColumnLayout {
anchors.fill: parent
spacing: 10
Item {
Layout.fillWidth: true
Layout.fillHeight: true
}
Item {
height: 200
Rectangle {
id: chart
width: graphWidth
height: 200
color: "dodgerblue"
x: 640
Repeater {
id: repeater
model: chartData
RoundedLine {
required property var modelData
property alias line: line
property alias parallelAnim: parallelAnim
property alias paceAnim: paceAnim
id: line
recHeight: modelData.height
recY: modelData.y
recX: modelData.x
ParallelAnimation {
id: parallelAnim
PropertyAnimation {
target: line
property: "color"
to: "red"
duration: modelData.duration
}
PropertyAnimation {
target: line
property: "y"
easing.type: Easing.OutBounce
to: modelData.newY
duration: modelData.duration
}
PropertyAnimation {
target: line
property: "height"
easing.type: Easing.OutBounce
to: modelData.fHeight
duration: modelData.duration
}
}
ParallelAnimation {
id: paceAnim
PropertyAnimation {
target: line
property: "color"
to: "mediumturquoise"
duration: modelData.duration
}
PropertyAnimation {
target: line
property: "y"
easing.type: Easing.OutBounce
to: modelData.paceY
duration: modelData.duration
}
PropertyAnimation {
target: line
property: "height"
easing.type: Easing.OutBounce
to: modelData.sHeight
duration: modelData.duration
}
}
}
}
PropertyAnimation {
id: recAnim
target: chart
property: "x"
easing.type: Easing.Linear
to: 320 - graphWidth / 2
duration: 500
}
}
}
Button {
text: "Heart Rate"
Layout.alignment: Qt.AlignHCenter
onClicked: {
for (let i = 0; i < repeater.count; i++) {
let item = repeater.itemAt(i);
if (item) {
item.line.parallelAnim.start();
}
}
}
}
Button {
text: "Pace"
Layout.alignment: Qt.AlignHCenter
onClicked: {
for (let i = 0; i < repeater.count; i++) {
let item = repeater.itemAt(i);
if (item) {
item.line.paceAnim.start();
}
}
}
}
Button {
text: "Reset Animations"
Layout.alignment: Qt.AlignHCenter
onClicked: {
for (let i = 0; i < repeater.count; i++) {
let item = repeater.itemAt(i).line;
if (item) {
item.parallelAnim.stop();
item.paceAnim.stop()
item.color = "darkgrey";
item.height = chartData[i].height
item.y = chartData[i].y
}
}
}
}
Button {
text: "Show Chart"
Layout.alignment: Qt.AlignHCenter
onClicked: {
recAnim.start()
}
}
Item {
Layout.fillWidth: true
Layout.fillHeight: true
}
}
}
|