Commit e98c9778 authored by Lu Xu's avatar Lu Xu 👀

software/ors-amarisoft: add gadget for monitoring

parent 9e8d734e
function LineChart(container, data, label, tooltip) {
this.container = container;
this.context = this.container.getContext("2d");
this.data = data;
this.label = label;
this.tooltip = tooltip;
this.point_radius = 5;
this.data_length = this.data.length;
this.data_max = this.getMax();
this.data_min = this.getMin();
this.width = this.container.width;
this.height = this.container.height;
this.x_padding = this.width * 0.1;
this.y_padding = this.height * 0.1;
this.x_step = ( this.width - this.x_padding ) / this.data_length;
this.y_grid_steps = 10;
this.y_step = ( this.height - this.y_padding * 2) / this.y_grid_steps
this.coordinates = [];
}
LineChart.prototype = {
constructor: LineChart,
tooltipOn: function (which) {
if(which === 'click')
this.container.addEventListener('click', this.clickEvent.bind(this));
else if(which === 'mousemove')
this.container.addEventListener('mousemove', this.hoverEvent.bind(this));
else
console.log('Tooltip activation method not supported');
},
prepareData: function () {
for(var i = 0 ; i < this.data_length ; i++) {
this.coordinates.push({
x: this.calcCoordinateX(i),
y: this.calcCoordinateY(i)
});
}
},
draw: function () {
this.drawBorder();
this.prepareData();
this.drawGrid();
var coordinates = [];
for(var i = 0 ; i < this.data_length -1; i++) {
coordinates = this.getLineCoordinates(i);
this.drawLine(coordinates, '#16D', 0);
this.drawPoint(coordinates[0], '#16D');
}
this.drawPoint(coordinates[1]);
},
drawBorder: function () {
this.drawLine([{x:0,y:0},{x:this.width, y:0}],'#000', 0);
this.drawLine([{x:this.width, y:0},{x:this.width, y:this.height}],'#000', 0);
this.drawLine([{x:this.width, y:this.height},{x:0, y:this.height}],'#000', 0);
this.drawLine([{x:0, y:this.height},{x:0,y:0}],'#000', 0);
},
drawGrid: function () {
// Horizontal lines
for(var i = 0 ; i <= this.y_grid_steps ; i++) {
this.drawLine([
{ x: this.x_padding/2, y: this.y_step * i + this.y_padding },
{ x: this.width - this.x_padding/2, y: this.y_step * i + this.y_padding }],
'#DDD', 0);
}
// Vertical left line
this.drawLine([
{ x: this.x_padding/2, y: this.y_padding },
{ x: this.x_padding/2, y: this.height - this.y_padding }],
'#DDD', 0);
// Vertical dashed lines
for(var i = 0 ; i <= this.data_length ; i++) {
this.drawLine([
{ x: this.x_step * i + this.x_padding, y: this.y_padding },
{ x: this.x_step * i + this.x_padding, y: this.height - this.y_padding }],
'#DDD', 5);
}
// Draw label
this.drawLabel();
},
drawLabel: function () {
for (var i = 0 ; i <= this.y_grid_steps ; i++) {
this.drawText(
{
x: this.x_padding / 4,
y: this.y_step * i + this.y_padding
}, this.getLabelY(i)
);
}
for (var i = 0 ; i < this.data_length ; i++) {
this.drawText(
{
x: this.getCoordinate(i).x,
y: this.height - this.y_padding / 2
}, this.getLabelX(i)
);
}
},
drawLine: function (coordinates, style, dash) {
this.context.setLineDash([dash]);
this.context.beginPath();
this.context.moveTo(coordinates[0].x,coordinates[0].y);
this.context.lineTo(coordinates[1].x,coordinates[1].y);
this.context.strokeStyle = style;
this.context.stroke();
},
drawPoint: function (coordinate, style) {
this.context.beginPath();
this.context.arc(coordinate.x, coordinate.y, this.point_radius, 0, 2 * Math.PI, false);
this.context.fillStyle = '#FFF';
this.context.fill();
this.context.strokeStyle = style;
this.context.stroke();
},
drawText: function (coordinate, text) {
this.context.fillStyle = '#AAA';
this.context.textBaseline = 'middle';
this.context.textAlign = 'center';
this.context.fillText(text, coordinate.x, coordinate.y);
},
calcCoordinateX: function (index) {
return this.x_step * index + this.x_padding;
},
calcCoordinateY: function (index) {
var proportion = this.data[index] / this.data_max;
var top_without_padding = proportion * ( this.height - this.y_padding * 2 );
return this.height - ( top_without_padding + this.y_padding );
},
getLineCoordinates: function (i) {
return [
this.getCoordinate(i),
this.getCoordinate(i + 1)
];
},
getCoordinate: function (i) {
return this.coordinates[i];
},
getMax: function () {
var max = this.data[0];
for (var i = 1 ; i < this.data_length ; i++)
if(this.data[i] > max) max = this.data[i];
return max;
},
getMin: function () {
var min = this.data[0];
for (var i = 1 ; i < this.data_length ; i++)
if(this.data[i] < min) min = this.data[i];
return min;
},
getLabelY: function (index) {
return ((this.data_max / this.y_grid_steps) * ( this.y_grid_steps - index)).toFixed(1).replace(/[.,]0$/, "");
},
getLabelX: function (index) {
return this.label[index];
},
distanceBetweenTwoPoints: function (coordinates) {
return Math.sqrt(
Math.pow( (coordinates[0].x - coordinates[1].x) , 2) +
Math.pow( (coordinates[0].y - coordinates[1].y) , 2)
);
},
getPointSelected: function (x, y) {
for(var i = 0 ; i < this.data_length ; i++) {
var coordinates = [
{x: x, y: y},
{x: this.coordinates[i].x, y: this.coordinates[i].y}
];
var dist = this.distanceBetweenTwoPoints(coordinates);
if (dist <= this.point_radius + 1) {
return i;
}
}
console.log('None');
return null;
},
clickEvent: function (event) {
var point = this.getPointSelected(event.layerX, event.layerY);
if(point != null) {
this.showTooltip(this.tooltip[point], { x: event.clientX, y: event.clientY});
} else {
this.removeTooltip();
}
},
hoverEvent: function (event) {
var point = this.getPointSelected(event.layerX, event.layerY);
if(point != null) {
this.showTooltip(this.tooltip[point], { x: event.clientX, y: event.clientY});
} else {
this.removeTooltip();
}
},
showTooltip: function (text, coordinate) {
var tooltip = document.getElementById('tooltip');
if(tooltip) {
tooltip.style.top = coordinate.y + 'px';
tooltip.style.left = coordinate.x + 'px';
tooltip.innerHTML = text;
} else {
tooltip = document.createElement('div');
tooltip.setAttribute('id', 'tooltip');
tooltip.classList.add('tooltip-chart');
tooltip.style.top = coordinate.y + 'px';
tooltip.style.left = coordinate.x + 'px';
tooltip.innerHTML = text;
this.container.parentNode.appendChild(tooltip);
}
},
removeTooltip: function () {
var tooltip = document.getElementById('tooltip');
if(tooltip)
this.container.parentNode.removeChild(tooltip);
}
};
\ No newline at end of file
/*global window, rJS, RSVP*/
/*jslint indent:2, maxlen:80, nomen:true */
(function () {
"use strict";
rJS(window)
.declareAcquiredMethod("getPromiseDocument", "getPromiseDocument")
.declareMethod("render", function (options) {
var gadget = this;
return gadget.getPromiseDocument(
"check-cpu-temperature",
"log/monitor/promise/check-cpu-temperature.json.log"
)
.push(function (result) {
//gadget.element.textContent = result;
result = result.replace(/\'/g,"\"");
var item = result.split("\n"),
tmp = "",
data_tmp = "",
data_list = [],
time = [],
data = [];
item = JSON.parse(JSON.stringify(item));
for(var i = 0; i < 30; i++)
{
data_list.push(item[i]);
var data_list_list = JSON.parse(data_list[i]);
if (data_list_list.hasOwnProperty("time")
&& data_list_list.hasOwnProperty("data")) {
tmp = data_list_list.time.split(" ")[1].split(",")[0];
data_tmp = data_list_list.data.cpu_temperature;
}
time.push(tmp);
data.push(data_tmp);
gadget.time = time;
gadget.data = data;
}
var canvas = gadget.element.children.line,
data = gadget.data,
label = gadget.time,
tooltip = ['Twelve', 'Fifteen', 'Thirteen', 'Twenty-two', 'Eight', 'Twelve', 'Thirdy-one', 'Three', 'Five'];
var line_chart = new LineChart(canvas, data, label, tooltip);
line_chart.draw();
line_chart.tooltipOn('mousemove');
});
});
}());
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<html>
<head>
<script src="rsvp.js"></script>
<script src="renderjs.js"></script>
<script src="g-chart.line.js"></script>
<script src="promise.gadget.js"></script>
<style type="text/css">
.tooltip-chart {
position: fixed;
z-index: 1000;
transform: translate(-50%, -120%);
padding: 10px;
background-color: white;
border-radius: 5px;
text-align: center;
min-width: 100px;
border: 1px solid #000;
box-shadow: 0 0 10px 5px #000;
}
</style>
</head>
<body>
<canvas id="line" width="1600" height="350"></canvas>
</body>
</html>
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