能源分析

src/utils/chartMixins/resize.js

@@ -0,0 +1,64 @@
+import { debounce } from '@/utils/debounce'
+
+export default {
+  data() {
+    return {
+      $_sidebarElm: null,
+      $_resizeHandler: null
+    }
+  },
+  mounted() {
+    this.$_resizeHandler = debounce(() => {
+      if (this.chart) {
+        this.chart.resize()
+      }
+    }, 100)
+    this.$_initResizeEvent()
+    this.$_initSidebarResizeEvent()
+  },
+  beforeDestroy() {
+    this.$_destroyResizeEvent()
+    this.$_destroySidebarResizeEvent()
+  },
+  // to fixed bug when cached by keep-alive
+  // https://github.com/PanJiaChen/vue-element-admin/issues/2116
+  activated() {
+    this.$_initResizeEvent()
+    this.$_initSidebarResizeEvent()
+  },
+  deactivated() {
+    this.$_destroyResizeEvent()
+    this.$_destroySidebarResizeEvent()
+  },
+  methods: {
+    // use $_ for mixins properties
+    // https://vuejs.org/v2/style-guide/index.html#Private-property-names-essential
+    $_initResizeEvent() {
+      window.addEventListener('resize', this.$_resizeHandler)
+    },
+    $_destroyResizeEvent() {
+      window.removeEventListener('resize', this.$_resizeHandler)
+    },
+    $_sidebarResizeHandler(e) {
+      if (e.propertyName === 'width') {
+        this.$_resizeHandler()
+      }
+    },
+    $_initSidebarResizeEvent() {
+      this.$_sidebarElm =
+        document.getElementsByClassName('sidebar-container')[0]
+      this.$_sidebarElm &&
+        this.$_sidebarElm.addEventListener(
+          'transitionend',
+          this.$_sidebarResizeHandler
+        )
+    },
+    $_destroySidebarResizeEvent() {
+      this.$_sidebarElm &&
+        this.$_sidebarElm.removeEventListener(
+          'transitionend',
+          this.$_sidebarResizeHandler
+        )
+    }
+  }
+}