From a4dd4eac02b1656e4945d5ec5acad36881c9fc4f Mon Sep 17 00:00:00 2001
From: roymondchen <roymondchen@tencent.com>
Date: Mon, 8 Aug 2022 19:17:58 +0800
Subject: [PATCH] =?UTF-8?q?fix(editor):=20=E9=A1=B5=E9=9D=A2=E5=88=97?=
 =?UTF-8?q?=E8=A1=A8=E6=98=BE=E7=A4=BA=E9=97=AE=E9=A2=98?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../editor/src/layouts/workspace/PageBar.vue  | 204 ++++--------------
 .../workspace/PageBarScrollContainer.vue      | 111 ++++++++++
 2 files changed, 154 insertions(+), 161 deletions(-)
 create mode 100644 packages/editor/src/layouts/workspace/PageBarScrollContainer.vue

diff --git a/packages/editor/src/layouts/workspace/PageBar.vue b/packages/editor/src/layouts/workspace/PageBar.vue
index 55d17384..14967c61 100644
--- a/packages/editor/src/layouts/workspace/PageBar.vue
+++ b/packages/editor/src/layouts/workspace/PageBar.vue
@@ -1,191 +1,73 @@
 <template>
-  <div class="m-editor-page-bar" ref="pageBar">
-    <div id="m-editor-page-bar-add-icon" class="m-editor-page-bar-item m-editor-page-bar-item-icon" @click="addPage">
-      <el-icon><plus></plus></el-icon>
-    </div>
+  <PageBarScrollContainer>
     <div
-      v-if="scrollState.canScroll"
-      class="m-editor-page-bar-item m-editor-page-bar-item-icon"
-      @click="scrollState.scroll('left')"
+      v-for="item in (root && root.items) || []"
+      class="m-editor-page-bar-item"
+      :key="item.key"
+      :class="{ active: page?.id === item.id }"
+      @click="switchPage(item)"
     >
-      <el-icon><arrow-left-bold></arrow-left-bold></el-icon>
-    </div>
-    <div
-      v-if="root"
-      class="m-editor-page-bar-items"
-      ref="itemsContainer"
-      :style="`width: ${scrollState.itemsContainerWidth}px`"
-    >
-      <div
-        v-for="item in root.items"
-        :key="item.key"
-        class="m-editor-page-bar-item"
-        :class="{ active: page?.id === item.id }"
-        @click="switchPage(item)"
-      >
-        <div class="m-editor-page-bar-title">
-          <slot name="page-bar-title" :page="item">
-            <el-tooltip effect="dark" placement="top-start" :content="item.name">
-              <span>{{ item.name }}</span>
-            </el-tooltip>
+      <div class="m-editor-page-bar-title">
+        <slot name="page-bar-title" :page="item">
+          <el-tooltip effect="dark" placement="top-start" :content="item.name">
+            <span>{{ item.name }}</span>
+          </el-tooltip>
+        </slot>
+      </div>
+
+      <el-popover popper-class="page-bar-popover" placement="top" :width="160" trigger="hover">
+        <div>
+          <slot name="page-bar-popover" :page="item">
+            <tool-button
+              :data="{
+                type: 'button',
+                text: '复制',
+                icon: DocumentCopy,
+                handler: () => copy(item),
+              }"
+            ></tool-button>
+            <tool-button
+              :data="{
+                type: 'button',
+                text: '删除',
+                icon: Delete,
+                handler: () => remove(item),
+              }"
+            ></tool-button>
           </slot>
         </div>
-
-        <el-popover popper-class="page-bar-popover" placement="top" :width="160" trigger="hover">
-          <div>
-            <slot name="page-bar-popover" :page="item">
-              <tool-button
-                :data="{
-                  type: 'button',
-                  text: '复制',
-                  icon: DocumentCopy,
-                  handler: () => copy(item),
-                }"
-              ></tool-button>
-              <tool-button
-                :data="{
-                  type: 'button',
-                  text: '删除',
-                  icon: Delete,
-                  handler: () => remove(item),
-                }"
-              ></tool-button>
-            </slot>
-          </div>
-          <template #reference>
-            <el-icon class="m-editor-page-bar-menu-icon">
-              <caret-bottom></caret-bottom>
-            </el-icon>
-          </template>
-        </el-popover>
-      </div>
+        <template #reference>
+          <el-icon class="m-editor-page-bar-menu-icon">
+            <caret-bottom></caret-bottom>
+          </el-icon>
+        </template>
+      </el-popover>
     </div>
-    <div
-      v-if="scrollState.canScroll"
-      class="m-editor-page-bar-item m-editor-page-bar-item-icon"
-      @click="scrollState.scroll('right')"
-    >
-      <el-icon><arrow-right-bold></arrow-right-bold></el-icon>
-    </div>
-  </div>
+  </PageBarScrollContainer>
 </template>
 
 <script lang="ts" setup>
-import { computed, ComputedRef, inject, onMounted, onUnmounted, ref, toRaw, watch } from 'vue';
-import { ArrowLeftBold, ArrowRightBold, CaretBottom, Delete, DocumentCopy, Plus } from '@element-plus/icons-vue';
+import { computed, inject } from 'vue';
+import { CaretBottom, Delete, DocumentCopy } from '@element-plus/icons-vue';
 
 import type { MApp, MPage } from '@tmagic/schema';
-import { NodeType } from '@tmagic/schema';
 
 import ToolButton from '../../components/ToolButton.vue';
 import type { Services } from '../../type';
-import { generatePageNameByApp } from '../../utils/editor';
 
-const useScroll = (root: ComputedRef<MApp | undefined>) => {
-  const pageBar = ref<HTMLDivElement>();
-  const itemsContainer = ref<HTMLDivElement>();
-
-  const pageBarWidth = ref(0);
-  const canScroll = ref(false);
-
-  const itemsContainerWidth = computed(() => pageBarWidth.value - 105);
-
-  let translateLeft = 0;
-  const resizeObserver = new ResizeObserver((entries) => {
-    for (const { contentRect } of entries) {
-      const { width } = contentRect;
-      pageBarWidth.value = width || 0;
-
-      setCanScroll();
-    }
-  });
-
-  const setCanScroll = () => {
-    if (itemsContainer.value) {
-      canScroll.value = itemsContainer.value.scrollWidth > pageBarWidth.value - 105;
-    }
-  };
-
-  const scroll = (type: 'left' | 'right' | 'start' | 'end') => {
-    if (!itemsContainer.value) return;
-
-    const maxScrollLeft = itemsContainer.value.scrollWidth - itemsContainerWidth.value;
-
-    if (type === 'left') {
-      translateLeft += 100;
-
-      if (translateLeft > 0) {
-        translateLeft = 0;
-      }
-    } else if (type === 'right') {
-      translateLeft -= 100;
-
-      if (-translateLeft > maxScrollLeft) {
-        translateLeft = -maxScrollLeft;
-      }
-    } else if (type === 'start') {
-      translateLeft = 0;
-    } else if (type === 'end') {
-      translateLeft = -maxScrollLeft;
-    }
-
-    itemsContainer.value.style.transform = `translate(${translateLeft}px, 0px)`;
-  };
-
-  onMounted(() => {
-    pageBar.value && resizeObserver.observe(pageBar.value);
-  });
-
-  onUnmounted(() => {
-    resizeObserver.disconnect();
-  });
-
-  watch(
-    () => root.value?.items.length,
-    (length = 0, preLength = 0) => {
-      setTimeout(() => {
-        setCanScroll();
-        if (length < preLength) {
-          scroll('start');
-        } else {
-          scroll('end');
-        }
-      });
-    },
-  );
-
-  return {
-    pageBar,
-    itemsContainer,
-    canScroll,
-
-    itemsContainerWidth,
-
-    scroll,
-  };
-};
+import PageBarScrollContainer from './PageBarScrollContainer.vue';
 
 const services = inject<Services>('services');
 const editorService = services?.editorService;
 
 const root = computed(() => editorService?.get<MApp>('root'));
 
-const scrollState = useScroll(root);
 const page = computed(() => editorService?.get('page'));
 
 const switchPage = (page: MPage) => {
   editorService?.select(page);
 };
 
-const addPage = () => {
-  if (!editorService) return;
-  const pageConfig = {
-    type: NodeType.PAGE,
-    name: generatePageNameByApp(toRaw(editorService.get('root'))),
-  };
-  editorService.add(pageConfig);
-};
-
 const copy = (node: MPage) => {
   node && editorService?.copy(node);
   editorService?.paste({
diff --git a/packages/editor/src/layouts/workspace/PageBarScrollContainer.vue b/packages/editor/src/layouts/workspace/PageBarScrollContainer.vue
new file mode 100644
index 00000000..67451f78
--- /dev/null
+++ b/packages/editor/src/layouts/workspace/PageBarScrollContainer.vue
@@ -0,0 +1,111 @@
+<template>
+  <div class="m-editor-page-bar" ref="pageBar">
+    <div id="m-editor-page-bar-add-icon" class="m-editor-page-bar-item m-editor-page-bar-item-icon" @click="addPage">
+      <el-icon><plus></plus></el-icon>
+    </div>
+    <div v-if="canScroll" class="m-editor-page-bar-item m-editor-page-bar-item-icon" @click="scroll('left')">
+      <el-icon><arrow-left-bold></arrow-left-bold></el-icon>
+    </div>
+    <div v-if="root" class="m-editor-page-bar-items" ref="itemsContainer" :style="`width: ${itemsContainerWidth}px`">
+      <slot></slot>
+    </div>
+    <div v-if="canScroll" class="m-editor-page-bar-item m-editor-page-bar-item-icon" @click="scroll('right')">
+      <el-icon><arrow-right-bold></arrow-right-bold></el-icon>
+    </div>
+  </div>
+</template>
+
+<script setup lang="ts">
+import { computed, inject, onMounted, onUnmounted, ref, toRaw, watch } from 'vue';
+import { ArrowLeftBold, ArrowRightBold, Plus } from '@element-plus/icons-vue';
+
+import { MApp, NodeType } from '@tmagic/schema';
+
+import type { Services } from '../../type';
+import { generatePageNameByApp } from '../../utils/editor';
+
+const services = inject<Services>('services');
+const editorService = services?.editorService;
+
+const pageBar = ref<HTMLDivElement>();
+const itemsContainer = ref<HTMLDivElement>();
+const pageBarWidth = ref(0);
+const canScroll = ref(false);
+
+const itemsContainerWidth = computed(() => pageBarWidth.value - 105);
+
+let translateLeft = 0;
+const resizeObserver = new ResizeObserver((entries) => {
+  for (const { contentRect } of entries) {
+    const { width } = contentRect;
+    pageBarWidth.value = width || 0;
+
+    setCanScroll();
+  }
+});
+
+const setCanScroll = () => {
+  if (itemsContainer.value) {
+    canScroll.value = itemsContainer.value.scrollWidth > pageBarWidth.value - 105;
+  }
+};
+
+const scroll = (type: 'left' | 'right' | 'start' | 'end') => {
+  if (!itemsContainer.value) return;
+
+  const maxScrollLeft = itemsContainer.value.scrollWidth - itemsContainerWidth.value;
+
+  if (type === 'left') {
+    translateLeft += 100;
+
+    if (translateLeft > 0) {
+      translateLeft = 0;
+    }
+  } else if (type === 'right') {
+    translateLeft -= 100;
+
+    if (-translateLeft > maxScrollLeft) {
+      translateLeft = -maxScrollLeft;
+    }
+  } else if (type === 'start') {
+    translateLeft = 0;
+  } else if (type === 'end') {
+    translateLeft = -maxScrollLeft;
+  }
+
+  itemsContainer.value.style.transform = `translate(${translateLeft}px, 0px)`;
+};
+
+onMounted(() => {
+  pageBar.value && resizeObserver.observe(pageBar.value);
+});
+
+onUnmounted(() => {
+  resizeObserver.disconnect();
+});
+
+const root = computed(() => editorService?.get<MApp>('root'));
+
+watch(
+  () => root.value?.items.length,
+  (length = 0, preLength = 0) => {
+    setTimeout(() => {
+      setCanScroll();
+      if (length < preLength) {
+        scroll('start');
+      } else {
+        scroll('end');
+      }
+    });
+  },
+);
+
+const addPage = () => {
+  if (!editorService) return;
+  const pageConfig = {
+    type: NodeType.PAGE,
+    name: generatePageNameByApp(toRaw(editorService.get('root'))),
+  };
+  editorService.add(pageConfig);
+};
+</script>