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@ciotlosm
Last active Jul 29, 2018
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// based on https://codepen.io/mohebifar/pen/KwdeMz
class ClockElement extends HTMLElement {
constructor() {
super();
this.attachShadow({ mode: 'open' });
}
set hass(hass) {
}
setConfig(config) {
const root = this.shadowRoot;
if (root.lastChild) root.removeChild(root.lastChild);
root.appendChild(this._buildWire());
this._updateCLock(root.querySelector('svg'));
}
getCardSize() {
return 1;
}
_buildWire() {
const elemContainer = document.createElement('div');
elemContainer.appendChild(this._htmlToElement(`
<svg width="200" height="200">
<filter id="innerShadow" x="-20%" y="-20%" width="140%" height="140%">
<feGaussianBlur in="SourceGraphic" stdDeviation="3" result="blur" />
<feOffset in="blur" dx="2.5" dy="2.5" />
</filter>
<g>
<circle id="shadow" style="fill:rgba(0,0,0,0.1)" cx="97" cy="100" r="87" filter="url(#innerShadow)"></circle>
<circle id="circle" style="stroke: #FFF; stroke-width: 12px; fill:#20B7AF" cx="100" cy="100" r="80"></circle>
</g>
<g>
<line x1="100" y1="100" x2="100" y2="55" transform="rotate(80 100 100)" style="stroke-width: 3px; stroke: #fffbf9;" id="hourhand">
<animatetransform attributeName="transform" attributeType="XML" type="rotate" dur="43200s" repeatCount="indefinite" />
</line>
<line x1="100" y1="100" x2="100" y2="40" style="stroke-width: 4px; stroke: #fdfdfd;" id="minutehand">
<animatetransform attributeName="transform" attributeType="XML" type="rotate" dur="3600s" repeatCount="indefinite" />
</line>
<line x1="100" y1="100" x2="100" y2="30" style="stroke-width: 2px; stroke: #C1EFED;" id="secondhand">
<animatetransform attributeName="transform" attributeType="XML" type="rotate" dur="60s" repeatCount="indefinite" />
</line>
</g>
<circle id="center" style="fill:#128A86; stroke: #C1EFED; stroke-width: 2px;" cx="100" cy="100" r="3"></circle>
</svg>`));
const style = document.createElement('style');
style.textContent = this._buildStyle();
elemContainer.appendChild(style);
return elemContainer
}
_updateCLock(svg) {
let hands = [];
hands.push(svg.querySelector('#secondhand > *'));
hands.push(svg.querySelector('#minutehand > *'));
hands.push(svg.querySelector('#hourhand > *'));
const cx = 100;
const cy = 100;
const date = new Date();
const hoursAngle = 360 * date.getHours() / 12 + date.getMinutes() / 2;
const minuteAngle = 360 * date.getMinutes() / 60;
const secAngle = 360 * date.getSeconds() / 60;
hands[0].setAttribute('from', [secAngle, cx, cy].join(' '));
hands[0].setAttribute('to', [secAngle + 360, cx, cy].join(' '));
hands[1].setAttribute('from', [minuteAngle, cx, cy].join(' '));
hands[1].setAttribute('to', [minuteAngle + 360, cx, cy].join(' '));
hands[2].setAttribute('from', [hoursAngle, cx, cy].join(' '));
hands[2].setAttribute('to', [hoursAngle + 360, cx, cy].join(' '));
for (let i = 1; i <= 12; i++) {
const el = document.createElementNS('http://www.w3.org/2000/svg', 'line');
el.setAttribute('x1', '100');
el.setAttribute('y1', '30');
el.setAttribute('x2', '100');
el.setAttribute('y2', '40');
el.setAttribute('transform', 'rotate(' + (i * 360 / 12) + ' 100 100)');
el.setAttribute('style', 'stroke: #ffffff;');
svg.appendChild(el);
}
}
_buildStyle() {
return `
:host {
}
svg {
display: block;
position: absolute;
top: 50%;
left: 50%;
transform: translate(-50%, -50%);
}
.filler {
background: #20B7AF;
position: absolute;
bottom: 50%;
top: 0;
left: 0;
right: 0;
}`;
}
_htmlToElement(html) {
var template = document.createElement('template');
html = html.trim(); // Never return a text node of whitespace as the result
template.innerHTML = html;
return template.content.firstChild;
}
}
window.customElements.define('clock-element', ClockElement);
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