First version

README.md

@@ -1 +1,15 @@
-# tp-element
+# tp-avatar
+
+A custom element for displaying avatars.
+
+## Installation
+
+```bash
+npm i @tp/tp-avatar
+```
+
+## Usage
+
+```html
+<ef-avatar src="https://avatars.githubusercontent.com/u/12345678?v=4"></ef-avatar>
+```

package.json

@@ -1,14 +1,14 @@
 {
-  "name": "@tp/tp-element",
-  "version": "0.0.1",
+  "name": "@tp/tp-avatar",
+  "version": "1.0.0",
   "description": "",
-  "main": "tp-element.js",
+  "main": "tp-avatar.js",
   "scripts": {
     "test": "echo \"Error: no test specified\" && exit 1"
   },
   "repository": {
     "type": "git",
-    "url": "https://gitea.codeblob.work/tp-elements/tp-element.git"
+    "url": "https://gitea.codeblob.work/tp-elements/tp-avatar.git"
   },
   "author": "trading_peter",
   "license": "Apache-2.0",

tp-avatar.js

@@ -0,0 +1,128 @@
+/**
+@license
+Copyright (c) 2024 trading_peter
+This program is available under Apache License Version 2.0
+*/
+
+import '@tp/tp-icon/tp-icon.js';
+import { LitElement, html, css, svg } from 'lit';
+import { classMap } from 'lit/directives/class-map.js';
+
+class EfAvatar extends LitElement {
+  static get styles() {
+    return [
+      css`
+        :host {
+          display: inline-block;
+          position: relative;
+          border-radius: 50%;
+        }
+
+        :host [hidden] {
+          display: none;
+        }
+
+        #avatarImg {
+          width: var(--era-avatar-size, 32px);
+          height: var(--era-avatar-size, 32px);
+          background-size: cover;
+          background-position: center center;
+          border-radius: 50%;
+          opacity: 0;
+        }
+
+        #avatarImg.visible {
+          transition: opacity 300ms;
+          opacity: 1;
+        }
+
+        tp-icon {
+          opacity: 1;
+          transition: opacity 100ms;
+          color: #BDBDBD;
+
+          position: absolute;
+          inset: 0;
+          --tp-icon-height: var(--ef-avatar-size, 32px);
+          --tp-icon-width: var(--ef-avatar-size, 32px);
+        }
+
+        tp-icon.hidden {
+          opacity: 0;
+          transition: opacity 300ms linear 0ms;
+        }
+      `
+    ];
+  }
+
+  render() {
+    const { loaded, hasSrc } = this;
+
+    return html`
+      <div id="avatarImg" class=${classMap({ visible: loaded, hidden: !loaded })}></div>
+      <tp-icon id="placeHolder" .icon=${EfAvatar.defaultAccountIcon} class=${classMap({ visible: !loaded || !hasSrc, hidden: loaded && hasSrc})}></tp-icon>
+    `;
+  }
+
+  static get properties() {
+    return {
+      loaded: { type: Boolean },
+      baseUrl: { type: String },
+      loading: { type: Boolean },
+      hasSrc: { type: Boolean },
+      src: { type: String },
+    };
+  }
+
+  static get defaultAccountIcon() {
+    return svg`<path fill="var(--tp-icon-color)" d="m 12,20.64 c -3,0 -5.652,-1.536 -7.2,-3.84 0.036,-2.4 4.8,-3.72 7.2,-3.72 2.4,0 7.164,1.32 7.2,3.72 -1.548,2.304 -4.2,3.84 -7.2,3.84 M 12,3.6 A 3.6,3.6 0 0 1 15.6,7.2 3.6,3.6 0 0 1 12,10.8 3.6,3.6 0 0 1 8.4,7.2 3.6,3.6 0 0 1 12,3.6 M 12,0 A 12,12 0 0 0 0,12 12,12 0 0 0 12,24 12,12 0 0 0 24,12 C 24,5.364 18.6,0 12,0 Z"></path>`;
+  }
+
+  updated(changes) {
+    if (changes.has('src')) {
+      if (!this.src) {
+        this.hasSrc = false;
+        return;
+      }
+
+      if (this.src !== changes.get('src')) {
+        this.hasSrc = true;
+
+        if (newSrc.indexOf(this.baseUrl) !== 0 && !this.hasSchema(newSrc)) {
+          this.src = this.baseUrl + this.src;
+          return;
+        }
+
+        this.loaded = false;
+        if (Boolean(newSrc)) {
+          this.loadImage();
+        }
+      }
+    }
+  }
+
+  hasSchema(src) {
+    return src.indexOf('http://') === 0 || src.indexOf('https://') === 0;
+  }
+
+  loadedChanged() {
+    if (this.loaded) {
+      this.$.avatarImg.style.backgroundImage = `url("${this.src}")`;
+    }
+  }
+
+  loadImage() {
+    var img = new Image();
+    img.src = this.src;
+
+    this.loading = true;
+
+    img.onload = function() {
+      this.loading = false;
+      this.loaded = true;
+      this.loadedChanged();
+    }.bind(this);
+  }
+}
+
+window.customElements.define('ef-avatar', EfAvatar);

tp-element.js

@@ -1,35 +0,0 @@
-/**
-@license
-Copyright (c) 2024 trading_peter
-This program is available under Apache License Version 2.0
-*/
-
-import { LitElement, html, css } from 'lit';
-
-class TpElement extends LitElement {
-  static get styles() {
-    return [
-      css`
-        :host {
-          display: block;
-        }
-      `
-    ];
-  }
-
-  render() {
-    const { } = this;
-
-    return html`
-
-    `;
-  }
-
-  static get properties() {
-    return { };
-  }
-
-
-}
-
-window.customElements.define('tp-element', TpElement);