basex-lsp/webapp/static/clients/codemirror/popover.js
2025-08-24 22:54:14 +01:00

84 lines
No EOL
2.1 KiB
JavaScript

// Create a class for the element
class PopupInfo extends HTMLElement {
constructor() {
// Always call super first in constructor
super();
}
connectedCallback() {
// Create a shadow root
const shadow = this.attachShadow({ mode: "open" });
// Create spans
const wrapper = document.createElement("span");
wrapper.setAttribute("class", "wrapper");
const icon = document.createElement("span");
icon.setAttribute("class", "icon");
icon.setAttribute("tabindex", 0);
const info = document.createElement("span");
info.setAttribute("class", "info");
// Take attribute content and put it inside the info span
const text = this.getAttribute("data-text");
info.textContent = text;
// Insert icon
let imgUrl;
if (this.hasAttribute("img")) {
imgUrl = this.getAttribute("img");
} else {
imgUrl = "img/default.png";
}
const img = document.createElement("img");
img.src = imgUrl;
icon.appendChild(img);
// Create some CSS to apply to the shadow dom
const style = document.createElement("style");
console.log(style.isConnected);
style.textContent = `
.wrapper {
position: relative;
}
.info {
font-size: 0.8rem;
width: 200px;
display: inline-block;
border: 1px solid black;
padding: 10px;
background: white;
border-radius: 10px;
opacity: 0;
transition: 0.6s all;
position: absolute;
bottom: 20px;
left: 10px;
z-index: 3;
}
img {
width: 1.2rem;
}
.icon:hover + .info, .icon:focus + .info {
opacity: 1;
}
`;
// Attach the created elements to the shadow dom
shadow.appendChild(style);
console.log(style.isConnected);
shadow.appendChild(wrapper);
wrapper.appendChild(icon);
wrapper.appendChild(info);
}
}
// Define the new element
customElements.define("popup-info", PopupInfo);