.cascade-selector(:class="{hover: !toggle}")
span.show(v-if="selected") {{currentShow}}
span.placeholder(v-else) {{placeholder}}
canvas.triangle(ref='triangle', width='8', height='6')
.lists
.list(v-for="(list, floorIndex) of lists" :key="floorIndex"
v-if="floorIndex <= floor")
.item(v-for="(item, index) of list" :key="index"
@click="click(floorIndex, item)") {{item[showKey]}}