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| <!DOCTYPE html>
<html lang="">
<head>
<meta charset="utf-8">
<title></title>
</head>
<body>
<header></header>
<main>
<table border="10px">
<tr height="50px">
</tr>
<tr>
<td>
<table>
<tr>
<td>
<label for="cons">Gauge Consigne</label>
</td>
</tr>
<tr>
<td>
<input id="cons" type="number" value="0" min="0" max="360"/>
</td>
</tr>
<tr>
<td>
<input id="slide" type="range" value="0" min="0" max="360"/>
</td>
</tr>
</table>
</td>
<td id="gauge_svg" width=300px height=200px style="padding:30px 40px">
</tr>
</table>
<style>
.line {
stroke: #bfbfbf;
stroke-width: 1;
fill: none;
}
.gauge-ring {
stroke: #EBEBEB;
}
</style>
<script>
class gauge {
constructor({id = "gauge_svg"}){
this.id=id
this.container=document.getElementById(id)
this.container.innerHTML = /*html*/`
<div padding="0px" border="0px">
<svg class="gauge-container" width="100%" height="100%" viewBox="0 0 100 100">
<g transform="translate(50 50)" transform-origin= 50 50 >
<rect x="-50" y="-50" width="100" height="100" style="fill:lemonchiffon;stroke:slategray;stroke-width:1px;"/>
<line class="gauge-needleCons" x1="0" y1="40" x2="0" y2="45" />
<circle class="gauge-centre" cx="0" cy="0" r="5" fill="#eee" stroke="#ccc" stroke-width="0.1 " ></circle>
<circle class="gauge-ring" cx="0" cy="0" r="40" fill="transparent" stroke-width="3.5"></circle>
<g class="ori">
<g class="gaugeG" transform="translate(40 0)" transform-origin= 40 0 >
<circle class="gauge-bullCons" cx="0" cy="0" r="10" fill="#eee" stroke="#ccc" stroke-width="0.1 " ></circle>
<text class="gauge-cons-text" x="0" y="0" stroke-width="0.5" font-size=" 0.5em" text-align= "center" text-anchor= "middle" >
<tspan class="gauge-consLabel"></tspan>
</text>
</g>
</g>
<rect class="gauge-slide" x="-50" y="-50" width="100" height="100" style="fill:transparent;stroke:blue;stroke-width:1px;"/>
</g>
</svg>
</div>
`
this.containerSVG=this.container.querySelector("svg")
this.bullCons = this.containerSVG.querySelector(".gauge-bullCons")
this.consLabel = this.containerSVG.querySelector(".gauge-consLabel")
this.gaugeconstext = this.containerSVG.querySelector(".gauge-cons-text")
this.gaugeG = this.containerSVG.querySelector(".gaugeG")
this.ori = this.containerSVG.querySelector(".ori")
this.slide = this.container.querySelector(".gauge-slide")
this.slideBound = this.container.getBoundingClientRect()
this.mouseValue = null
this.slide.addEventListener("pointerdown", e => this.mdown(e));
document.addEventListener("pointerup", this._handleUp = this.mup.bind(this));
this.dimpx=Math.max(
Number(this.container.width.split('px')[0]),
Number(this.container.height.split('px')[0]),
)
this.dimR=100/this.dimpx //rapport de convertion offset pointer/viewbox
}
#cartesian2Polar(x, y){
let distance = Math.round(Math.sqrt(x*x + y*y))
let radians = Math.atan2(y,x)
let polarCoor = { distance:distance, degrees:Math.round(radians*180/Math.PI) }
return polarCoor
}
mdown(){
this.slide.addEventListener("mousemove", this._handleMove = this.mouse.bind(this));
}
mup(){
this.slide.removeEventListener("mousemove",this._handleMove);
document.removeEventListener("mouseup", this._handleUp);
}
mouse(ev){
let posX = ev.offsetX*this.dimR-50 //50 offset centrage coordoné
let posY = ev.offsetY*this.dimR-50
this.ctrl(this.#cartesian2Polar(posX,posY).degrees)
}
ctrl(value){
this.bullCons.style.transform = `rotate(${value}deg)`
this.consLabel.innerHTML=value
this.ori.style.transform = `
rotate(${value}deg)
`;
this.gaugeconstext.style.transform = `
rotate(${-value}deg)
`;
}
}
let gauge_di = {};//Dictionnaire des instances
gauge_di[1] = new gauge({id : "gauge_svg"})
window.onload = function () {
const container = document.querySelector(".gauge-container");
const bullCons = container.querySelector(".gauge-bullCons");
const consLabel = container.querySelector(".gauge-consLabel");
const gaugeconstext = container.querySelector(".gauge-cons-text");
const gaugeG = container.querySelector(".gaugeG");
const ori = container.querySelector(".ori");
document.querySelector("#cons").addEventListener("change", event => {
gauge_di[1].ctrl(event.currentTarget.value)
});
document.querySelector("#slide").addEventListener("mousedown", event => {
document.querySelector("#slide").addEventListener("mousemove", event => {
gauge_di[1].ctrl(event.currentTarget.value)
});
});
}
</script>
</main>
<footer></footer>
</body>
</html> |
Transformer SVG en slider
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