MIF_E31211810/public/assets/dist/js/pages/chart/chart-init.js

77 lines
1.9 KiB
JavaScript

$(function () {
var data = [5, 10, 15, 20, 15, 30, 40],
totalPoints = 100;
function getRandomData() {
if (data.length > 0) data = data.slice(1);
// Do a random walk
while (data.length < totalPoints) {
var prev = data.length > 0 ? data[data.length - 1] : 10,
y = prev + Math.random() * 10 - 5;
if (y < 0) {
y = 0;
} else if (y > 100) {
y = 100;
}
data.push(y);
}
// Zip the generated y values with the x values
var res = [];
for (var i = 0; i < data.length; ++i) {
res.push([i, data[i]]);
}
return res;
}
// Set up the control widget
var updateInterval = 1000;
$("#updateInterval")
.val(updateInterval)
.change(function () {
var v = $(this).val();
if (v && !isNaN(+v)) {
updateInterval = +v;
if (updateInterval < 1) {
updateInterval = 1;
} else if (updateInterval > 1000) {
updateInterval = 1000;
}
$(this).val("" + updateInterval);
}
});
var plot = $.plot("#placeholder1", [getRandomData()], {
series: {
shadowSize: 1, // Drawing is faster without shadows
lines: { fill: true, fillColor: "transparent" },
},
yaxis: {
min: 0,
max: 100,
show: true,
},
xaxis: {
show: false,
},
colors: ["#fe5419"],
grid: {
color: "#AFAFAF",
hoverable: true,
borderWidth: 0,
backgroundColor: "transparent",
},
tooltip: true,
tooltipOpts: {
content: "Visits: %x",
defaultTheme: false,
},
});
window.onresize = function (event) {
$.plot($("#placeholder1"), [getRandomData()]);
};
function update() {
plot.setData([getRandomData()]);
// Since the axes don't change, we don't need to call plot.setupGrid()
plot.draw();
setTimeout(update, updateInterval);
}
update();
});