tip提示组件(Tooltip)

<div class="text-center my-3">
  <b-button v-b-tooltip.hover title="Tooltip directive content">
    Hover Me
  </b-button>

  <b-button id="tooltip-target-1">
    Hover Me
  </b-button>
  <b-tooltip target="tooltip-target-1" triggers="hover">
    I am tooltip <b>component</b> content!
  </b-tooltip>
</div>

<b-button
  href="#"
  tabindex="0"
  v-b-tooltip.focus
  title="Tooltip title"
>
  Link button with tooltip directive
</b-button>

<b-button id="link-button" href="#" tabindex="0">
  Link button with tooltip component
</b-button>
<b-tooltip target="link-button" title="Tooltip title" triggers="focus">
  Tooltip title
</b-tooltip>

<div>
  <span id="disabled-wrapper" class="d-inline-block" tabindex="0">
    <b-button variant="primary" style="pointer-events: none;" disabled>Disabled button</b-button>
  </span>
  <b-tooltip target="disabled-wrapper">Disabled tooltip</b-tooltip>
</div>

<b-container fluid>
  <b-row>
    <b-col md="4" class="py-4">
      <b-button id="button-1" variant="outline-success">Live chat</b-button>
    </b-col>
    <b-col md="4" class="py-4">
      <b-button id="button-2" variant="outline-success">Html chat</b-button>
    </b-col>
    <b-col md="4" class="py-4">
      <b-button ref="button-3" variant="outline-success">Alternative chat</b-button>
    </b-col>
  </b-row>

  <!-- Tooltip title specified via prop title -->
  <b-tooltip target="button-1" title="Online!"></b-tooltip>

  <!-- HTML title specified via default slot -->
  <b-tooltip target="button-2" placement="bottom">
    Hello <strong>World!</strong>
  </b-tooltip>

  <!-- Tooltip for an element identified by ref -->
  <b-tooltip :target="() => $refs['button-3']" title="Alternative!"></b-tooltip>
</b-container>

<div class="text-center">
  <div>
    <b-button id="tooltip-button-interactive">My tooltip is interactive</b-button>
    <b-tooltip target="tooltip-button-interactive">I will stay open when hovered</b-tooltip>
  </div>

  <div class="mt-3">
    <b-button id="tooltip-button-not-interactive">Mine is not...</b-button>
    <b-tooltip target="tooltip-button-not-interactive" noninteractive>Catch me if you can!</b-tooltip>
  </div>
</div>

<div class="text-center">
  <b-button id="tooltip-button-variant">Button</b-button>
  <b-tooltip target="tooltip-button-variant" variant="danger">Danger variant tooltip</b-tooltip>
</div>

<div class="text-center">
  <b-button id="my-button">Button</b-button>
  <b-tooltip target="my-button" custom-class="my-tooltip-class">Tooltip Title</b-tooltip>
</div>

<template>
  <div class="text-center">
    <div>
      <b-button id="tooltip-button-1" variant="primary">I have a tooltip</b-button>
    </div>

    <div class="mt-3">
      <b-button @click="show = !show">Toggle Tooltip</b-button>
    </div>

    <b-tooltip :show.sync="show" target="tooltip-button-1" placement="top">
      Hello <strong>World!</strong>
    </b-tooltip>
  </div>
</template>
<script>
  export default {
    data: {
      show: true
    }
  }
</script>

<div class="text-center">
  <b-button id="tooltip-button-2" variant="primary">Button</b-button>
  <b-tooltip show target="tooltip-button-2">I start open</b-tooltip>
</div>

<template>
  <div class="d-flex flex-column text-md-center">
    <div class="p-2">
      <b-button id="tooltip-button-show-event" variant="primary">I have a tooltip</b-button>
    </div>

    <div class="p-2">
      <b-button class="px-1" @click="onOpen">Open</b-button>
      <b-button class="px-1" @click="onClose">Close</b-button>
    </div>

    <b-tooltip ref="tooltip" target="tooltip-button-show-event">
      Hello <strong>World!</strong>
    </b-tooltip>
  </div>
</template>

<script>
  export default {
    methods: {
      onOpen() {
        this.$refs.tooltip.$emit('open')
      },
      onClose() {
        this.$refs.tooltip.$emit('close')
      }
    }
  }
</script>

<template>
  <div class="d-flex flex-column text-md-center">
    <div class="p-2">
      <b-button id="tooltip-button-disable" variant="primary">I have a tooltip</b-button>
    </div>

    <div class="p-2">
      <b-button @click="disabled = !disabled">
        {{ disabled ? 'Enable' : 'Disable' }} Tooltip by prop
      </b-button>
      <b-button @click="disableByRef">
        {{ disabled ? 'Enable' : 'Disable' }} Tooltip by $ref event
      </b-button>

      <b-tooltip :disabled.sync="disabled" ref="tooltip" target="tooltip-button-disable">
        Hello <strong>World!</strong>
      </b-tooltip>
    </div>
  </div>
</template>

<script>
  export default {
    data() {
      return {
        disabled: false
      }
    },
    methods: {
      disableByRef() {
        if (this.disabled) {
          this.$refs.tooltip.$emit('enable')
        } else {
          this.$refs.tooltip.$emit('disable')
        }
      }
    }
  }
</script>

<b-container fluid>
  <b-row>
    <b-col md="6" class="py-4">
      <b-button v-b-tooltip title="Online!" variant="outline-success">Live chat</b-button>
    </b-col>

    <b-col md="6" class="py-4">
      <b-button
        v-b-tooltip.html
        title="Hello <strong>World!</strong>"
        variant="outline-success"
      >
        Html chat
      </b-button>
    </b-col>
  </b-row>
</b-container>

this.$root.$emit('bv::hide::tooltip')

this.$ root.$ emit('bv::hide::tooltip', 'my-trigger-button-id')

this.$root.$emit('bv::show::tooltip', 'my-trigger-button-id')

this.$root.$emit('bv::disable::tooltip')

this.$root.$emit('bv::disable::tooltip', 'my-trigger-button-id')

this.$root.$emit('bv::enable::tooltip', 'my-trigger-button-id')

export default {
  mounted() {
    this.$root.$on('bv::tooltip::show', bvEvent => {
      console.log('bvEvent:', bvEvent)
    })
  }
}