feat: 添加幻灯片页面批量操作

src/configs/hotkey.ts

@@ -35,6 +35,7 @@ export const HOTKEY_DOC = [
       { label: '撤销', value: 'Ctrl + Z' },
       { label: '恢复', value: 'Ctrl + Y' },
       { label: '删除', value: 'Delete / Backspace' },
+      { label: '多选', value: '按住 Ctrl 或 Shift' },
     ],
   },
   {
@@ -67,7 +68,6 @@ export const HOTKEY_DOC = [
       { label: '取消组合', value: 'Ctrl + Shift + G' },
       { label: '置顶层', value: 'Alt + F' },
       { label: '置底层', value: 'Alt + B' },
-      { label: '多选', value: '按住 Ctrl 或 Shift' },
       { label: '锁定宽高比例', value: '按住 Ctrl 或 Shift' },
       { label: '创建水平 / 垂直线条', value: '按住 Ctrl 或 Shift' },
       { label: '确认图片裁剪', value: 'Enter' },

src/hooks/usePasteTextClipboardData.ts

@@ -55,11 +55,12 @@ export default () => {
    * 粘贴页面
    * @param slide 页面数据
    */
-  const pasteSlide = (slide: Slide) => {
-    store.commit(MutationTypes.ADD_SLIDE, {
+  const pasteSlides = (slides: Slide[]) => {
+    const newSlides = slides.map(slide => ({
       ...slide,
       id: createRandomCode(8),
-    })
+    }))
+    store.commit(MutationTypes.ADD_SLIDE, newSlides)
     addHistorySnapshot()
   }
 
@@ -98,7 +99,7 @@ export default () => {
       const { type, data } = clipboardData
 
       if (type === 'elements' && !onlySlide) pasteElement(data)
-      else if (type === 'slide' && !onlyElements) pasteSlide(data)
+      else if (type === 'slides' && !onlyElements) pasteSlides(data)
     }
 
     // 普通文本

src/hooks/useSlideHandler.ts

@@ -13,12 +13,26 @@ export default () => {
   const store = useStore()
   const slideIndex = computed(() => store.state.slideIndex)
   const theme = computed(() => store.state.theme)
-  const slidesLength = computed(() => store.state.slides.length)
+  const slides = computed(() => store.state.slides)
   const currentSlide = computed<Slide>(() => store.getters.currentSlide)
 
+  const selectedSlidesIndex = computed(() => [...store.state.selectedSlidesIndex, slideIndex.value])
+  const selectedSlides = computed(() => slides.value.filter((item, index) => selectedSlidesIndex.value.includes(index)))
+  const selectedSlidesId = computed(() => selectedSlides.value.map(item => item.id))
+
   const { pasteTextClipboardData } = usePasteTextClipboardData()
   const { addHistorySnapshot } = useHistorySnapshot()
 
+  // 重置幻灯片
+  const resetSlides = () => {
+    store.commit(MutationTypes.UPDATE_SLIDE_INDEX, 0)
+    store.commit(MutationTypes.SET_ACTIVE_ELEMENT_ID_LIST, [])
+    store.commit(MutationTypes.SET_SLIDES, [{
+      id: createRandomCode(),
+      elements: [],
+    }])
+  }
+
   /**
    * 移动页面焦点
    * @param command 移动页面焦点命令：上移、下移
@@ -28,7 +42,7 @@ export default () => {
     if (command === KEYS.UP && slideIndex.value > 0) {
       targetIndex = slideIndex.value - 1
     }
-    else if (command === KEYS.DOWN && slideIndex.value < slidesLength.value - 1) {
+    else if (command === KEYS.DOWN && slideIndex.value < slides.value.length - 1) {
       targetIndex = slideIndex.value + 1
     }
     store.commit(MutationTypes.UPDATE_SLIDE_INDEX, targetIndex)
@@ -37,8 +51,8 @@ export default () => {
   // 将当前页面数据加密后复制到剪贴板
   const copySlide = () => {
     const text = encrypt(JSON.stringify({
-      type: 'slide',
-      data: currentSlide.value,
+      type: 'slides',
+      data: selectedSlides.value,
     }))
 
     copyText(text).then(() => {
@@ -76,21 +90,26 @@ export default () => {
     addHistorySnapshot()
   }
 
-  // 删除当前页
-  const deleteSlide = () => {
-    if (slidesLength.value === 1) return message.warning('无法继续删除')
-    
-    store.commit(MutationTypes.DELETE_SLIDE, currentSlide.value.id)
+  // 删除当前页，若将删除全部页面，则执行重置幻灯片操作
+  const deleteSlide = (targetSlidesId = selectedSlidesId.value) => {
+    if (slides.value.length === targetSlidesId.length) resetSlides()
+    else store.commit(MutationTypes.DELETE_SLIDE, targetSlidesId)
+
+    store.commit(MutationTypes.UPDATE_SELECTED_SLIDES_INDEX, [])
+
     addHistorySnapshot()
   }
 
   // 将当前页复制后删除（剪切）
+  // 由于复制操作会导致多选状态消失，所以需要提前将需要删除的页面ID进行缓存
   const cutSlide = () => {
+    const targetSlidesId = [...selectedSlidesId.value]
     copySlide()
-    deleteSlide()
+    deleteSlide(targetSlidesId)
   }
 
   return {
+    resetSlides,
     updateSlideIndex,
     copySlide,
     pasteSlide,

src/store/mutations.ts

@@ -82,9 +82,10 @@ export const mutations: MutationTree<State> = {
     state.slides = slides
   },
 
-  [MutationTypes.ADD_SLIDE](state, slide: Slide) {
+  [MutationTypes.ADD_SLIDE](state, slide: Slide | Slide[]) {
+    const slides = Array.isArray(slide) ? slide : [slide]
     const addIndex = state.slideIndex + 1
-    state.slides.splice(addIndex, 0, slide)
+    state.slides.splice(addIndex, 0, ...slides)
     state.slideIndex = addIndex
   },
 
@@ -93,13 +94,21 @@ export const mutations: MutationTree<State> = {
     state.slides[slideIndex] = { ...state.slides[slideIndex], ...props }
   },
 
-  [MutationTypes.DELETE_SLIDE](state, slideId: string) {
-    const deleteIndex = state.slides.findIndex(item => item.id === slideId)
+  [MutationTypes.DELETE_SLIDE](state, slideId: string | string[]) {
+    const slidesId = Array.isArray(slideId) ? slideId : [slideId]
 
-    if (deleteIndex === state.slides.length - 1) {
-      state.slideIndex = deleteIndex - 1
+    const deleteSlidesIndex = []
+    for (let i = 0; i < slidesId.length; i++) {
+      const index = state.slides.findIndex(item => item.id === slidesId[i])
+      deleteSlidesIndex.push(index)
     }
-    state.slides.splice(deleteIndex, 1)
+    let newIndex = Math.min(...deleteSlidesIndex)
+
+    const maxIndex = state.slides.length - slidesId.length - 1
+    if (newIndex > maxIndex) newIndex = maxIndex
+
+    state.slideIndex = newIndex
+    state.slides = state.slides.filter(item => !slidesId.includes(item.id))
   },
 
   [MutationTypes.UPDATE_SLIDE_INDEX](state, index: number) {

src/views/Editor/EditorHeader/index.vue

@@ -65,7 +65,6 @@
 <script lang="ts">
 import { computed, defineComponent, ref } from 'vue'
 import { MutationTypes, useStore } from '@/store'
-import { createRandomCode } from '@/utils/common'
 import useScreening from '@/hooks/useScreening'
 import useSlideHandler from '@/hooks/useSlideHandler'
 import useHistorySnapshot from '@/hooks/useHistorySnapshot'
@@ -82,7 +81,7 @@ export default defineComponent({
     const store = useStore()
 
     const { enterScreening, enterScreeningFromStart } = useScreening()
-    const { createSlide, deleteSlide } = useSlideHandler()
+    const { createSlide, deleteSlide, resetSlides } = useSlideHandler()
     const { redo, undo } = useHistorySnapshot()
 
     const editDropdownVisible = ref(false)
@@ -94,14 +93,6 @@ export default defineComponent({
       store.commit(MutationTypes.SET_GRID_LINES_STATE, !showGridLines.value)
     }
 
-    const resetSlides = () => {
-      store.commit(MutationTypes.SET_ACTIVE_ELEMENT_ID_LIST, [])
-      store.commit(MutationTypes.SET_SLIDES, [{
-        id: createRandomCode(),
-        elements: [],
-      }])
-    }
-
     const openDoc = () => {
       message.warning('作者努力编写中...')
     }

src/views/Editor/Thumbnails/index.vue

@@ -200,7 +200,7 @@ export default defineComponent({
         {
           text: '删除页面',
           subText: 'Delete',
-          handler: deleteSlide,
+          handler: () => deleteSlide(),
         },
         { divider: true },
         {