Initial version

2022-03-14 00:16:13 +01:00
parent 4b71efb2f4
commit 2dc72fc5e2
4 changed files with 112 additions and 40 deletions
--- a/tp-checkbox.js
+++ b/tp-checkbox.js
@@ -0,0 +1,107 @@
+/**
+@license
+Copyright (c) 2022 trading_peter
+This program is available under Apache License Version 2.0
+*/
+
+import '@tp/tp-icon/tp-icon.js';
+import { FormElement } from '@tp/helpers/form-element';
+import { ControlState } from '@tp/helpers/control-state';
+import { Inert } from '@tp/helpers/inert';
+import { LitElement, html, css, svg } from 'lit';
+
+class TpCheckbox extends Inert(ControlState(FormElement(LitElement))) {
+  static get styles() {
+    return [
+      css`
+        :host {
+          display: block;
+          cursor: pointer;
+        }
+
+        [hidden] {
+          display: none;
+        }
+
+        .box {
+          display: flex;
+          align-items: center;
+          justify-content: center;
+          border: solid 2px #000;
+          background: #fff;
+          border-radius: 2px;
+          width: var(--tp-checkbox-width, 18px);
+          height: var(--tp-checkbox-height, 18px);
+        }
+
+        tp-icon {
+          --tp-icon-width: var(--tp-checkbox-width, 18px);
+          --tp-icon-height: var(--tp-checkbox-height, 18px);
+        }
+
+        .wrap {
+          display: flex;
+          align-items: center;
+        }
+
+        .label {
+          margin-left: 8px;
+        }
+      `
+    ];
+  }
+
+  render() {
+    const { checked } = this;
+
+    return html`
+      <div class="wrap" part="wrap" @click=${this.toggle}>
+        <div class="box" part="box">
+          <tp-icon ?hidden=${!checked} .icon=${TpCheckbox.checkedIcon}></tp-icon>
+        </div>
+        <div class="label" part="label"><slot></slot></div>
+      </div>
+    `;
+  }
+
+  static get checkedIcon() {
+    return svg`<path d="M9,20.42L2.79,14.21L5.62,11.38L9,14.77L18.88,4.88L21.71,7.71L9,20.42Z" />`;
+  }
+
+  static get properties() {
+    return {
+      checked: { type: Boolean, reflect: true },
+      role: { type: String, reflect: true },
+      _value: { type: String },
+    };
+  }
+
+  constructor() {
+    super();
+    this.role = 'checkbox';
+    this.checked = false;
+    this._value = '';
+  }
+
+  firstUpdated() {
+    super.firstUpdated();
+    this.setAttribute('tabindex', '0');
+  }
+
+  toggle() {
+    this.checked = !this.checked;
+  }
+
+  get value() {
+    if (this._value !== '') {
+      return this._value;
+    }
+    return this.checked;
+  }
+
+  set value(val) {
+    this._value = val;
+  }
+}
+
+window.customElements.define('tp-checkbox', TpCheckbox);