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| import { debounce } from '@/utils'
|
| export default {
| data() {
| return {
| $_sidebarElm: null,
| $_resizeHandler: null
| }
| },
| mounted() {
| this.initListener()
| },
| activated() {
| if (!this.$_resizeHandler) {
| // avoid duplication init
| this.initListener()
| }
|
| // when keep-alive chart activated, auto resize
| this.resize()
| },
| beforeDestroy() {
| this.destroyListener()
| },
| deactivated() {
| this.destroyListener()
| },
| methods: {
| // use $_ for mixins properties
| // https://vuejs.org/v2/style-guide/index.html#Private-property-names-essential
| $_sidebarResizeHandler(e) {
| if (e.propertyName === 'width') {
| this.$_resizeHandler()
| }
| },
| initListener() {
| this.$_resizeHandler = debounce(() => {
| this.resize()
| }, 100)
| window.addEventListener('resize', this.$_resizeHandler)
|
| this.$_sidebarElm = document.getElementsByClassName('sidebar-container')[0]
| this.$_sidebarElm && this.$_sidebarElm.addEventListener('transitionend', this.$_sidebarResizeHandler)
| },
| destroyListener() {
| window.removeEventListener('resize', this.$_resizeHandler)
| this.$_resizeHandler = null
|
| this.$_sidebarElm && this.$_sidebarElm.removeEventListener('transitionend', this.$_sidebarResizeHandler)
| },
| resize() {
| const { chart } = this
| chart && chart.resize()
| }
| }
| }
|
|
