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v-viewer v1.5.1

Image viewer component for vue, supports rotation, scale, zoom and so on, based on viewer.js

v-viewer

Image viewer component for vue, supports rotation, scale, zoom and so on, based on viewer.js

npm version

Live demo

Examples

中文文档

Migration from 0.x

  • The only change you have to make is to manually import the .css file:
import 'viewerjs/dist/viewer.css'

Installation

Install from GitHub via NPM

npm install v-viewer

Usage

To use v-viewer, simply import it and the css file, and call Vue.use() to install.

<template>
  <div id="app">
    <!-- directive -->
    <div class="images" v-viewer>
      <img src="1.jpg">
      <img src="2.jpg">
      ...
    </div>
    <!-- component -->
    <viewer :images="images">
      <img v-for="src in images" :src="src" :key="src">
    </viewer>
  </div>
</template>
<script>
  import 'viewerjs/dist/viewer.css'
  import Viewer from 'v-viewer'
  import Vue from 'vue'
  Vue.use(Viewer)
  export default {
    data() {
      images: ['1.jpg', '2.jpg']
    }
  }
</script>

Support UMD

Browser

<link href="//path/viewer.css" rel="stylesheet">
<script src="//path/vue.js"></script>
<script src="//path/viewer.js"></script>
<script src="//path/v-viewer.js"></script>
...
<script>
  Vue.use(VueViewer.default)
</script>

CommonJS

var VueViewer = require('VueViewer')

AMD

require(['VueViewer'], function (VueViewer) {});

Usage of directive

Just add the directive v-viewer to any element, then all img elements in it will be handled by viewer.

You can set the options like this: v-viewer="{inline: true}"

Get the element by selector and then use el.$viewer to get the viewer instance if you need.

<template>
  <div id="app">
    <div class="images" v-viewer="{movable: false}">
      <img v-for="src in images" :src="src" :key="src">
    </div>
    <button type="button" @click="show">Show</button>
  </div>
</template>
<script>
  import 'viewerjs/dist/viewer.css'
  import Viewer from 'v-viewer'
  import Vue from 'vue'
  Vue.use(Viewer)
  export default {
    data() {
      images: ['1.jpg', '2.jpg']
    },
    methods: {
      show () {
        const viewer = this.$el.querySelector('.images').$viewer
        viewer.show()
      }
    }
  }
</script>

Direcitve modifiers

static

The viewer instance will be created only once after the directive binded.

If you're sure the images inside this element won't change again, use it to avoid unnecessary re-render.

<div class="images" v-viewer.static="{inline: true}">
  <img v-for="src in images" :src="src" :key="src">
</div>
rebuild

The viewer instance will be updated by update method when the source images changed (added, removed or sorted) by default.

If you encounter any display problems, try rebuilding instead of updating.

<div class="images" v-viewer.rebuild="{inline: true}">
  <img v-for="src in images" :src="src" :key="src">
</div>

Usage of component

You can simply import the component and register it locally too.

Use scoped slot to customize the presentation of your images.

<template>
  <div id="app">
    <viewer :options="options" :images="images"
            @inited="inited"
            class="viewer" ref="viewer"
    >
      <template slot-scope="scope">
        <img v-for="src in scope.images" :src="src" :key="src">
        {{scope.options}}
      </template>
    </viewer>
    <button type="button" @click="show">Show</button>
  </div>
</template>
<script>
  import 'viewerjs/dist/viewer.css'
  import Viewer from "v-viewer/src/component.vue"
  export default {
    components: {
      Viewer
    },
    data() {
      images: ['1.jpg', '2.jpg']
    },
    methods: {
      inited (viewer) {
        this.$viewer = viewer
      },
      show () {
        this.$viewer.show()
      }
    }
  }
</script>

Component props

images
  • Type: Array
trigger
  • Type: Array

You can replace images with trigger, to accept any type of prop. when the trigger changes, the component will re-render the viewer.

<viewer :trigger="externallyGeneratedHtmlWithImages">
  <div v-html="externallyGeneratedHtmlWithImages"/>
</viewer>
rebuild
  • Type: Boolean
  • Default: false

The viewer instance will be updated by update method when the source images changed (added, removed or sorted) by default.

If you encounter any display problems, try rebuilding instead of updating.

<viewer
  ref="viewer"
  :options="options"
  :images="images"
  rebuild
  class="viewer"
  @inited="inited"
>
  <template slot-scope="scope">
    <img v-for="src in scope.images" :src="src" :key="src">
    {{scope.options}}
  </template>
</viewer>

Component events

inited
  • viewer: Viewer

Listen for the inited event to get the viewer instance, or use this.refs.xxx.$viewer.

Options & Methods of Viewer

Refer to viewer.js.

Plugin options

name

  • Type: String
  • Default: viewer

If you need to avoid name conflict, you can import it like this:

<template>
  <div id="app">
    <div class="images" v-vuer="{movable: false}">
      <img v-for="src in images" :src="src" :key="src">
    </div>
    <button type="button" @click="show">Show</button>
  </div>
</template>
<script>
  import 'viewerjs/dist/viewer.css'
  import Vuer from 'v-viewer'
  import Vue from 'vue'
  Vue.use(Vuer, {name: 'vuer'})
  export default {
    data() {
      images: ['1.jpg', '2.jpg']
    },
    methods: {
      show () {
        const vuer = this.$el.querySelector('.images').$vuer
        vuer.show()
      }
    }
  }
</script>

defaultOptions

  • Type: Object
  • Default: undefined

If you need to set the viewer default options, you can import it like this:

import Viewer from 'v-viewer'
import Vue from 'vue'
Vue.use(Viewer, {
  defaultOptions: {
    zIndex: 9999
  }
})

And you can reset the default options at any other time:

import Viewer from 'v-viewer'
import Vue from 'vue'
Vue.use(Viewer)
Viewer.setDefaults({
  zIndexInline: 2017
})
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