From afbad86b9315794b130c818748759a270245eafe Mon Sep 17 00:00:00 2001
From: wangjiahao <1522128093@qq.com>
Date: Tue, 3 Aug 2021 13:18:21 +0800
Subject: [PATCH] =?UTF-8?q?fix:=E4=BB=AA=E8=A1=A8=E6=9D=BF=E6=A0=B7?=
 =?UTF-8?q?=E5=BC=8F=E4=BF=AE=E6=94=B9=E4=BF=9D=E5=AD=98=E6=8C=89=E9=92=AE?=
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---
 frontend/src/components/DeDrag/DragShadow.vue | 172 ++++++++++++++++++
 .../canvas/components/Editor/index.vue        |   1 +
 2 files changed, 173 insertions(+)
 create mode 100644 frontend/src/components/DeDrag/DragShadow.vue

diff --git a/frontend/src/components/DeDrag/DragShadow.vue b/frontend/src/components/DeDrag/DragShadow.vue
new file mode 100644
index 0000000000..60d9e6d358
--- /dev/null
+++ b/frontend/src/components/DeDrag/DragShadow.vue
@@ -0,0 +1,172 @@
+<template>
+  <div class="home">
+    <Toolbar />
+
+    <main>
+      <!-- 左侧组件列表 -->
+      <!--      <section class="left">-->
+      <!--        <ComponentList />-->
+      <!--      </section>-->
+      <!-- 中间画布 -->
+      <section class="center">
+        <div
+          class="content"
+          @drop="handleDrop"
+          @dragover="handleDragOver"
+          @mousedown="handleMouseDown"
+          @mouseup="deselectCurComponent"
+        >
+          <Editor />
+        </div>
+      </section>
+
+    </main>
+  </div>
+</template>
+
+<script>
+import Editor from '@/components/Editor/index'
+import ComponentList from '@/components/ComponentList' // 左侧列表组件
+import AttrList from '@/components/canvas/components/AttrList' // 右侧属性列表
+import AnimationList from '@/components/canvas/components/AnimationList' // 右侧动画列表
+import EventList from '@/components/canvas/components/EventList' // 右侧事件列表
+import componentList from '@/components/canvas/custom-component/component-list' // 左侧列表数据
+import Toolbar from '@/components/Toolbar'
+import { deepCopy } from '@/utils/utils'
+import { mapState } from 'vuex'
+import generateID from '@/utils/generateID'
+import { listenGlobalKeyDown } from '@/utils/shortcutKey'
+
+export default {
+  // eslint-disable-next-line vue/no-unused-components
+  components: { Editor, ComponentList, AttrList, AnimationList, EventList, Toolbar },
+  data() {
+    return {
+      activeName: 'attr',
+      reSelectAnimateIndex: undefined
+    }
+  },
+  computed: mapState([
+    'componentData',
+    'curComponent',
+    'isClickComponent',
+    'canvasStyleData'
+  ]),
+  created() {
+    this.restore()
+    // 全局监听按键事件
+    listenGlobalKeyDown()
+  },
+  methods: {
+    restore() {
+      // 用保存的数据恢复画布
+      if (localStorage.getItem('canvasData')) {
+        this.$store.commit('setComponentData', this.resetID(JSON.parse(localStorage.getItem('canvasData'))))
+      }
+
+      if (localStorage.getItem('canvasStyle')) {
+        this.$store.commit('setCanvasStyle', JSON.parse(localStorage.getItem('canvasStyle')))
+      }
+    },
+
+    resetID(data) {
+      if (data) {
+        data.forEach(item => {
+          // eslint-disable-next-line no-undef
+          item.type !== 'custom' && (item.id = uuid.v1())
+        })
+      }
+
+      return data
+    },
+
+    handleDrop(e) {
+      e.preventDefault()
+      e.stopPropagation()
+
+      let component
+      const id = e.dataTransfer.getData('componentId')
+      componentList.forEach(componentTemp => {
+        if (id === componentTemp.id) {
+          component = deepCopy(componentTemp)
+        }
+      })
+      // const component = deepCopy(componentList[e.dataTransfer.getData('index')])
+      component.style.top = e.offsetY
+      component.style.left = e.offsetX
+      component.id = generateID()
+      this.$store.commit('addComponent', { component })
+      this.$store.commit('recordSnapshot')
+    },
+
+    handleDragOver(e) {
+      e.preventDefault()
+      e.dataTransfer.dropEffect = 'copy'
+    },
+
+    handleMouseDown() {
+      this.$store.commit('setClickComponentStatus', false)
+    },
+
+    deselectCurComponent(e) {
+      if (!this.isClickComponent) {
+        this.$store.commit('setCurComponent', { component: null, index: null })
+      }
+
+      // 0 左击 1 滚轮 2 右击
+      if (e.button !== 2) {
+        this.$store.commit('hideContextMenu')
+      }
+    }
+  }
+}
+</script>
+
+<style lang="scss">
+.home {
+    height: 100vh;
+    background: #fff;
+
+    main {
+        height: calc(100% - 64px);
+        position: relative;
+
+        .left {
+            position: absolute;
+            height: 100%;
+            width: 200px;
+            left: 0;
+            top: 0;
+            padding-top: 10px;
+        }
+
+        .right {
+            position: absolute;
+            height: 100%;
+            width: 262px;
+            right: 0;
+            top: 0;
+        }
+
+        .center {
+            margin-left: 200px;
+            margin-right: 262px;
+            background: #f5f5f5;
+            height: 100%;
+            overflow: auto;
+            padding: 20px;
+
+            .content {
+                width: 100%;
+                height: 100%;
+                overflow: auto;
+            }
+        }
+    }
+
+    .placeholder {
+        text-align: center;
+        color: #333;
+    }
+}
+</style>
diff --git a/frontend/src/components/canvas/components/Editor/index.vue b/frontend/src/components/canvas/components/Editor/index.vue
index b647626b30..e3ba326800 100644
--- a/frontend/src/components/canvas/components/Editor/index.vue
+++ b/frontend/src/components/canvas/components/Editor/index.vue
@@ -275,6 +275,7 @@ export default {
         // 第一次变化 不需要 重置边界 待改进
         if (this.changeIndex++ > 0) {
           this.resizeParentBounds()
+          this.$store.state.styleChangeTimes++
         }
         // this.changeScale()
       },