EyeDentify/elements.html at master · jinichu/EyeDentify · GitHub

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<link rel="import" href="bower_components/polymer/polymer.html">
<link rel="import" href="bower_components/iron-icons/iron-icons.html">
<link rel="import" href="index.html">

<dom-module id="demo-element">
  <template>
    <style>
      :host {
      }
    </style>
    <style>
          :host {
            font-family: sans-serif;
            --icon-toggle-color: pink;
            --icon-toggle-outline-color: black;
            --icon-toggle-pressed-color: blue;
          }
        </style>
    <iron-icon icon = "add-circle-outline" pressed></iron-icon>

  </template>

</dom-module>
<dom-module id="iron-i">

  <template>

    <style>
      /* shadow DOM styles go here */
      :host {
        display: inline-block;
      }
      iron-icon{
          fill: var(--icon-toggle-color, rgba(0,0,0,0));
          stroke: var(--icon-toggle-outline-color, currentcolor);
      }
      :host([pressed]) iron-icon{
          fill: var(--icon-toggle-pressed-color,currentcolor);
      }
    </style>

    <!-- shadow DOM goes here -->
    <iron-icon icon = "[[toggleIcon]]" on-click="toggle">
    </iron-icon>
  </template>

<script>
class IronIcon extends Polymer.Element {
  static get is() {
    return 'iron-i';
  }
  static get properties(){
      return{
          pressed: {
              type: Boolean,
              notify: true,
              reflectToAttribute: true,
              value: false
    },
          toggleIcon: {
              type: String
          },
      }
  }
  constructor() {
    super();
  }

  toggle(){
      this.pressed = !this.pressed;
  }
}
customElements.define(IronIcon.is, IronIcon);
</script>
</dom-module>