<template>
  <span v-bind="$attrs"
        :aria-hidden="!title"
        :aria-label="title"
        class="material-design-icon collapse-all-icon"
        role="img"
        @click="$emit('click', $event)">
    <svg :fill="fillColor"
         class="material-design-icon__svg"
         :width="size"
         :height="size"
         viewBox="0 0 24 24">
      <path d="M14,4H4V14H2V4A2,2 0 0,1 4,2H14V4M18,6H8A2,2 0 0,0 6,8V18H8V8H18V6M22,12V20A2,2 0 0,1 20,22H12A2,2 0 0,1 10,20V12A2,2 0 0,1 12,10H20A2,2 0 0,1 22,12M20,15H12V17H20V15Z">
        <title v-if="title">{{ title }}</title>
      </path>
    </svg>
  </span>
</template>

<script>
export default {
  name: "CollapseAllIcon",
  emits: ['click'],
  props: {
    title: {
      type: String,
    },
    fillColor: {
      type: String,
      default: "currentColor"
    },
    size: {
      type: Number,
      default: 24
    }
  }
}
</script>