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import QtQuick 2.0
Canvas {
id:motionChart
width:1300
height: 700
property int progress:-1
property variant applesFrom: [1000, 300];
property variant applesTo:[1200, 400];
property variant orangesFrom: [1150, 200];
property variant orangesTo:[250, 550];
property variant bananasFrom: [300, 250];
property variant bananasTo:[788, 617];
property date startDate:new Date (1988,0,1)
property date endDate:new Date (1989,6,1)
property variant title:["Fruit", "Sales", "Expenses", "Location"];
property bool clearTrace:true
Text {id:appleText; text:"Apples"; font.bold:true; font.pixelSize:12; opacity:0}
Text {id:orangeText; text:"Oranges"; font.bold:true; font.pixelSize:12; opacity:0}
Text {id:bananaText; text:"Bananas"; font.bold:true; font.pixelSize:12; opacity:0}
Text {id:sales; text: "700 Sales"; x:15; y:15;font.bold:true; font.pixelSize:15; opacity:0}
Text {id:expenses; text: "Expenses 1300"; x:1170; y:670;font.bold:true; font.pixelSize:15; opacity:0}
Timer {
id:timer
interval: 1; running: true; repeat: true
onTriggered: {
if (motionChart.progress == -1) {
motionChart.setup();
running = false;
}
motionChart.draw();
}
}
MouseArea {
anchors.fill: parent
onPressed : {
motionChart.progress = 0;
setup();
timer.running = true;
motionChart.clearTrace = true;
}
onDoubleClicked : {
motionChart.progress = 0;
setup();
timer.running = true;
motionChart.clearTrace = false;
}
}
function setup() {
var ctx = motionChart.getContext("2d");
ctx.globalCompositeOperation = "source-over";
ctx.clearRect(0, 0, motionChart.width, motionChart.height);
ctx.strokeColor = Qt.rgba(133, 133, 133,1);
ctx.lineWidth = 2;
ctx.beginPath();
ctx.moveTo(10,690);
ctx.lineTo(10, 5);
ctx.moveTo(10,690);
ctx.lineTo(1295, 690);
for ( var i = 0; i < 10; i++) {
ctx.moveTo(10, i*70);
ctx.lineTo(15, i*70);
ctx.moveTo(i*130, 690);
ctx.lineTo(i*130, 685);
}
ctx.stroke();
sales.opacity =1;
expenses.opacity = 1;
appleText.opacity = 1;
orangeText.opacity = 1;
bananaText.opacity = 1;
}
function draw() {
var totalDays = Math.ceil((endDate.getTime()-startDate.getTime())/(1000*60*60*24));
if (motionChart.progress >= totalDays) {
timer.running = false;
return;
}
var apples = [];
apples[0] = applesFrom[0] + ((applesTo[0] - applesFrom[0]) * (motionChart.progress/totalDays));
apples[1] = applesFrom[1] + ((applesTo[1] - applesFrom[1]) * (motionChart.progress/totalDays));
var oranges = [];
oranges[0] = orangesFrom[0] + ((orangesTo[0] - orangesFrom[0]) * (motionChart.progress/totalDays));
oranges[1] = orangesFrom[1] + ((orangesTo[1] - orangesFrom[1]) * (motionChart.progress/totalDays));
var bananas = [];
bananas[0] = bananasFrom[0] + ((bananasTo[0] - bananasFrom[0]) * (motionChart.progress/totalDays));
bananas[1] = bananasFrom[1] + ((bananasTo[1] - bananasFrom[1]) * (motionChart.progress/totalDays));
var ctx = motionChart.getContext("2d");
ctx.globalCompositeOperation = "source-over";
if (motionChart.clearTrace)
ctx.clearRect(15, 15, motionChart.width - 15, motionChart.height - 30);
//apples
ctx.fillColor = Qt.rgba(0,255,0,1);
ctx.beginPath();
ctx.arc( apples[0] , 700 - apples[1] , 20 , 0 , Math.PI * 2 , true );
//ctx.closePath();
ctx.fill();
ctx.fillRect(apples[0], 700 - apples[1], 28, 28);
appleText.x = apples[0];
appleText.y = 700 - apples[1] - 30;
//oranges
ctx.fillColor = Qt.rgba(0,0,255,1);
ctx.beginPath();
ctx.arc( oranges[0], 700 - oranges[1] , 20 , 0 , Math.PI * 2 , true );
ctx.closePath();
ctx.fill();
ctx.fillRect(oranges[0], 700 - oranges[1], 28, 28);
orangeText.x = oranges[0];
orangeText.y = 700 - oranges[1] - 30;
//bananas
ctx.fillColor = Qt.rgba(255,0,0,1);
ctx.beginPath();
ctx.arc( bananas[0] , 700 - bananas[1] , 20 , 0 , Math.PI * 2 , true );
ctx.closePath();
ctx.fill();
ctx.fillRect(bananas[0], 700 - bananas[1], 28, 28);
bananaText.x = bananas[0];
bananaText.y = 700 - bananas[1] - 30;
ctx.sync();
motionChart.progress ++;
}
}
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