perf: rearrange the top layout (#163)

* perf: rearrange the top layout

* chore: toggle selection style

* chore: remove default option

* chore: adjust the theme button position

* feat: the MD import function is added

* feat: add formatting function

* perf: improved color picker experience

* perf: added a format shortcut key

* chore: reduce the margin difference

src/components/CodemirrorEditor/header.vue

@@ -36,204 +36,259 @@
       </span>
     </el-dialog>
     <div class="left-side">
-      <!-- 图片上传 -->
+      <el-dropdown>
-      <el-tooltip :effect="effect" content="上传图片" placement="bottom-start">
+        <span class="el-dropdown-link">
+          文件<i class="el-icon-arrow-down el-icon--right"></i>
+        </span>
+        <el-dropdown-menu slot="dropdown">
+          <el-dropdown-item @click.native="refClick">
+            <i class="el-icon-upload2" size="medium"></i>
+            导入 .md
+            <input hidden type="file" ref="fileInput" accept=".md" />
+          </el-dropdown-item>
+          <el-dropdown-item @click.native="$emit('download')">
+            <i class="el-icon-download" size="medium"></i>
+            导出 .md
+          </el-dropdown-item>
+          <el-dropdown-item @click.native="$emit('export')">
+            <i class="el-icon-document" size="medium"></i>
+            导出 .html
+          </el-dropdown-item>
+          <el-dropdown-item divided @click.native="themeChanged">
             <i
-          class="el-icon-upload"
+              class="el-icon-check"
-          size="medium"
+              :style="{ opacity: nightMode ? 1 : 0 }"
-          @click="$emit('show-dialog-upload-img')"
             ></i>
-      </el-tooltip>
+            暗黑模式
-      <!-- 导出 Markdown 文档 -->
+          </el-dropdown-item>
-      <el-tooltip
+        </el-dropdown-menu>
-        class="header__item"
+      </el-dropdown>
-        :effect="effect"
+
-        content="导出 Markdown 文档"
+      <el-dropdown>
-        placement="bottom-start"
+        <span class="el-dropdown-link">
+          格式<i class="el-icon-arrow-down el-icon--right"></i>
+        </span>
+        <el-dropdown-menu slot="dropdown">
+          <el-dropdown-item
+            class="format-item"
+            @click.native="$emit('addFormat', '**')"
           >
+            加粗
+            <kbd> Ctrl + B </kbd>
+          </el-dropdown-item>
+          <el-dropdown-item
+            class="format-item"
+            @click.native="$emit('addFormat', '*')"
+          >
+            斜体
+            <kbd> Ctrl + I </kbd>
+          </el-dropdown-item>
+          <el-dropdown-item
+            class="format-item"
+            @click.native="$emit('addFormat', '~~')"
+          >
+            删除线
+            <kbd> Alt + Shift + U </kbd>
+          </el-dropdown-item>
+          <el-dropdown-item
+            class="format-item"
+            @click.native="$emit('addFormat', '[', ']()')"
+          >
+            超链接
+            <kbd> Alt + Shift + K </kbd>
+          </el-dropdown-item>
+          <el-dropdown-item
+            class="format-item"
+            @click.native="$emit('formatContent')"
+          >
+            格式化
+            <kbd> Ctrl + Alt + L </kbd>
+          </el-dropdown-item>
+          <el-dropdown-item divided @click.native="statusChanged">
             <i
-          class="el-icon-download"
+              class="el-icon-check"
-          size="medium"
+              :style="{ opacity: citeStatus ? 1 : 0 }"
-          @click="$emit('download')"
             ></i>
-      </el-tooltip>
+            微信外链转底部引用
-      <!-- 导出 HTML -->
+          </el-dropdown-item>
-      <el-tooltip
+        </el-dropdown-menu>
-        class="header__item"
+      </el-dropdown>
-        :effect="effect"
+
-        content="导出 HTML 页面"
+      <el-dropdown>
-        placement="bottom-start"
+        <span class="el-dropdown-link">
-      >
+          编辑<i class="el-icon-arrow-down el-icon--right"></i>
-        <i class="el-icon-document" size="medium" @click="$emit('export')"></i>
+        </span>
-      </el-tooltip>
+        <el-dropdown-menu slot="dropdown">
-      <!-- 样式重置 -->
+          <el-dropdown-item @click.native="$emit('show-dialog-upload-img')">
-      <el-tooltip
+            <i class="el-icon-upload" size="medium"></i>
-        class="header__item"
+            上传图片
-        :effect="effect"
+          </el-dropdown-item>
-        content="重置样式"
+          <el-dropdown-item @click.native="$emit('show-dialog-form')">
-        placement="bottom-start"
+            <i class="el-icon-s-grid" size="medium"></i>
-      >
+            插入表格
-        <i
+          </el-dropdown-item>
-          class="el-icon-refresh"
+        </el-dropdown-menu>
-          size="medium"
+      </el-dropdown>
-          @click="showResetConfirm = true"
+
-        ></i>
+      <el-dropdown>
-      </el-tooltip>
+        <span class="el-dropdown-link">
-      <!-- 插入表格 -->
+          样式<i class="el-icon-arrow-down el-icon--right"></i>
-      <el-tooltip
+        </span>
-        class="header__item header__item_last"
+        <el-dropdown-menu slot="dropdown">
-        :effect="effect"
+          <el-dropdown-item class="padding-left-3">
-        content="插入表格"
+            <el-dropdown placement="right" class="style-option-menu">
-        placement="bottom-start"
+              <div class="el-dropdown-link">
-      >
+                字体
-        <i
+                <i class="el-icon-arrow-right el-icon--right"></i>
-          class="el-icon-s-grid"
+              </div>
-          size="medium"
+              <el-dropdown-menu slot="dropdown" style="width: 200px">
-          @click="$emit('show-dialog-form')"
+                <el-dropdown-item
-        ></i>
-      </el-tooltip>
-      <el-select
-        v-model="selectFont"
-        size="mini"
-        placeholder="选择字体"
-        clearable
-        @change="fontChanged"
-      >
-        <el-option
                   v-for="font in config.builtinFonts"
                   :style="{ fontFamily: font.value }"
                   :key="font.value"
                   :label="font.label"
                   :value="font.value"
+                  @click.native="fontChanged(font.value)"
                 >
-          <span class="select-item-left">{{ font.label }}</span>
+                  <i
+                    class="el-icon-check"
+                    :style="{ opacity: selectFont === font.value ? 1 : 0 }"
+                  ></i>
+                  <span>{{ font.label }}</span>
                   <span class="select-item-right">Abc</span>
-        </el-option>
+                </el-dropdown-item>
-      </el-select>
+              </el-dropdown-menu>
-      <el-select
+            </el-dropdown>
-        v-model="selectSize"
+          </el-dropdown-item>
-        size="mini"
+          <el-dropdown-item class="padding-left-3">
-        placeholder="选择段落字号"
+            <el-dropdown placement="right" class="style-option-menu">
-        clearable
+              <div class="el-dropdown-link">
-        @change="sizeChanged"
+                字号
-      >
+                <i class="el-icon-arrow-right el-icon--right"></i>
-        <el-option
+              </div>
+              <el-dropdown-menu slot="dropdown" style="width: 200px">
+                <el-dropdown-item
                   v-for="size in config.sizeOption"
                   :key="size.value"
                   :label="size.label"
                   :value="size.value"
+                  @click.native="sizeChanged(size.value)"
                 >
-          <span class="select-item-left">{{ size.label }}</span>
+                  <i
+                    class="el-icon-check"
+                    :style="{ opacity: selectSize === size.value ? 1 : 0 }"
+                  ></i>
+                  <span>{{ size.label }}</span>
                   <span class="select-item-right">{{ size.desc }}</span>
-        </el-option>
+                </el-dropdown-item>
-      </el-select>
+              </el-dropdown-menu>
-      <el-select
+            </el-dropdown>
-        v-model="selectColor"
+          </el-dropdown-item>
-        size="mini"
+          <el-dropdown-item class="padding-left-3">
-        placeholder="选择颜色"
+            <el-dropdown placement="right" class="style-option-menu">
-        clearable
+              <div class="el-dropdown-link">
-        @change="colorChanged"
+                颜色
-      >
+                <i class="el-icon-arrow-right el-icon--right"></i>
-        <el-option
+              </div>
+              <el-dropdown-menu slot="dropdown" style="width: 200px">
+                <el-dropdown-item
                   v-for="color in config.colorOption"
                   :key="color.value"
                   :label="color.label"
                   :value="color.value"
+                  @click.native="colorChanged(color.value)"
                 >
-          <span class="select-item-left">{{ color.label }}</span>
+                  <i
+                    class="el-icon-check"
+                    :style="{ opacity: selectColor === color.value ? 1 : 0 }"
+                  ></i>
+                  <span>{{ color.label }}</span>
                   <span class="select-item-right">{{ color.desc }}</span>
-        </el-option>
+                </el-dropdown-item>
-      </el-select>
+              </el-dropdown-menu>
-      <el-select
+            </el-dropdown>
-        v-model="selectCodeTheme"
+          </el-dropdown-item>
-        size="mini"
+          <el-dropdown-item class="padding-left-3">
-        placeholder="代码主题"
+            <el-dropdown placement="right" class="style-option-menu">
-        @change="codeThemeChanged"
+              <div class="el-dropdown-link">
-      >
+                代码主题
-        <el-option
+                <i class="el-icon-arrow-right el-icon--right"></i>
+              </div>
+              <el-dropdown-menu slot="dropdown" style="width: 200px">
+                <el-dropdown-item
                   v-for="code in config.codeThemeOption"
                   :key="code.value"
                   :label="code.label"
                   :value="code.value"
+                  @click.native="codeThemeChanged(code.value)"
                 >
-          <span class="select-item-left">{{ code.label }}</span>
+                  <i
+                    class="el-icon-check"
+                    :style="{ opacity: selectCodeTheme === code.value ? 1 : 0 }"
+                  ></i>
+                  <span>{{ code.label }}</span>
                   <span class="select-item-right">{{ code.desc }}</span>
-        </el-option>
+                </el-dropdown-item>
-      </el-select>
+              </el-dropdown-menu>
-      <el-tooltip content="自定义颜色" :effect="effect" placement="top">
+            </el-dropdown>
+          </el-dropdown-item>
+          <el-dropdown-item
+            divided
+            class="padding-left-3"
+            @click.native="showPicker()"
+          >
+            自定义颜色
             <el-color-picker
-          v-model="selectColor"
-          size="mini"
               show-alpha
+              ref="colorPicker"
+              size="mini"
+              style="float: right; margin-top: 3px"
+              v-model="selectColor"
               @change="colorChanged"
             ></el-color-picker>
-      </el-tooltip>
+          </el-dropdown-item>
-      <el-tooltip
+          <el-dropdown-item class="padding-left-3" @click.native="customStyle">
-        content="微信外链自动转为文末引用"
+            自定义 CSS
-        :effect="effect"
+          </el-dropdown-item>
-        placement="top"
+          <el-dropdown-item
+            divided
+            class="padding-left-3"
+            @click.native="showResetConfirm = true"
           >
-        <el-switch
+            重置
-          class="header__switch"
+          </el-dropdown-item>
-          v-model="citeStatus"
+        </el-dropdown-menu>
-          active-color="#67c23a"
+      </el-dropdown>
-          inactive-color="#dcdfe6"
+
-          @change="statusChanged"
+      <el-dropdown>
-        >
+        <span class="el-dropdown-link">
-        </el-switch>
+          帮助<i class="el-icon-arrow-down el-icon--right"></i>
-      </el-tooltip>
+        </span>
+        <el-dropdown-menu slot="dropdown">
+          <el-dropdown-item @click.native="$emit('show-about-dialog')">
+            关于
+          </el-dropdown-item>
+        </el-dropdown-menu>
+      </el-dropdown>
     </div>
+
     <div class="right-side">
-      <el-tooltip
-        class="item"
-        :effect="effect"
-        content="自定义CSS样式"
-        placement="left"
-      >
-        <el-button
-          :type="btnType"
-          plain
-          size="medium"
-          icon="el-icon-setting"
-          @click="customStyle"
-        ></el-button>
-      </el-tooltip>
       <el-button
         :type="btnType"
         plain
         size="medium"
         @click="copy"
         placement="bottom-start"
-        >复制</el-button
+        >复制
-      >
+      </el-button>
       <el-button
         :type="btnType"
         plain
         size="medium"
         @click="prePost"
         placement="bottom-start"
-        >发布</el-button
+        >发布
-      >
+      </el-button>
-      <el-button
-        :type="btnType"
-        plain
-        size="medium"
-        class="about"
-        @click="$emit('show-about-dialog')"
-        >关于</el-button
-      >
-      <el-tooltip
-        :content="btnContent"
-        :effect="effect"
-        placement="bottom-start"
-      >
-        <div
-          class="mode__switch mode__switch_black"
-          v-if="nightMode"
-          @click="themeChanged"
-        ></div>
-        <div class="mode__switch" v-else @click="themeChanged"></div>
-      </el-tooltip>
     </div>
     <resetDialog
       :showResetConfirm="showResetConfirm"
@@ -254,6 +309,7 @@ import config from '../../assets/scripts/config'
 import DEFAULT_CSS_CONTENT from '@/assets/example/theme-css.txt'
 import resetDialog from './resetDialog'
 import { mapState, mapMutations } from 'vuex'
+
 export default {
   name: `editor-header`,
   data() {
@@ -300,6 +356,12 @@ export default {
     }),
   },
   methods: {
+    refClick() {
+      this.$refs.fileInput.click()
+    },
+    showPicker() {
+      this.$refs.colorPicker.showPicker = true
+    },
     prePost() {
       let auto = {}
       try {
@@ -335,6 +397,7 @@ export default {
         fonts: fonts,
       })
       this.setCurrentFont(fonts)
+      this.selectFont = fonts
       this.$emit(`refresh`)
     },
     sizeChanged(size) {
@@ -345,6 +408,7 @@ export default {
         theme: theme,
       })
       this.setCurrentSize(size)
+      this.selectSize = size
       this.$emit(`refresh`)
     },
     colorChanged(color) {
@@ -355,14 +419,17 @@ export default {
         theme: theme,
       })
       this.setCurrentColor(color)
+      this.selectColor = color
       this.$emit(`refresh`)
     },
     codeThemeChanged(theme) {
       this.setCurrentCodeTheme(theme)
+      this.selectCodeTheme = theme
       this.$emit(`refresh`)
     },
-    statusChanged(val) {
+    statusChanged() {
-      this.setCiteStatus(val)
+      this.citeStatus = !this.citeStatus
+      this.setCiteStatus(this.citeStatus)
       this.$emit(`refresh`)
     },
     // 复制到微信公众号
@@ -449,6 +516,19 @@ export default {
     this.selectColor = this.currentColor
     this.selectCodeTheme = this.codeTheme
     this.citeStatus = this.currentCiteStatus
+
+    const fileInput = this.$refs.fileInput
+    fileInput.onchange = () => {
+      const file = fileInput.files[0]
+      if (file == null) {
+        return
+      }
+      const read = new FileReader()
+      read.readAsText(file)
+      read.onload = () => {
+        this.$emit(`import-md`, read.result)
+      }
+    }
   },
 }
 </script>
@@ -457,15 +537,11 @@ export default {
 .editor__header {
   width: 100%;
 }
-.header__item {
+
-  margin: 0 3px;
-}
-.header__item_last {
-  margin-right: 8px;
-}
 .header__switch {
   margin-left: 8px;
 }
+
 .mode__switch {
   margin-left: 24px;
   margin-right: 24px;
@@ -475,10 +551,12 @@ export default {
   background-size: cover;
   transition: all 0.3s;
 }
+
 .mode__switch_black {
   background: url('../../assets/images/light.png') no-repeat;
   background-size: cover;
 }
+
 .top {
   height: 60px;
   padding: 10px 20px;
@@ -486,14 +564,17 @@ export default {
   align-items: center;
   margin-right: 0;
 }
+
 .el-select {
   margin-right: 12px;
 }
+
 .left-side {
   display: flex;
   align-items: center;
   flex: 1;
 }
+
 .right-side {
   display: flex;
   align-items: center;
@@ -513,4 +594,53 @@ export default {
   color: #8492a6;
   font-size: 13px;
 }
+
+.el-dropdown {
+  margin: 0 10px;
+}
+
+.el-dropdown-link {
+  cursor: pointer;
+}
+
+.style-option-menu {
+  margin: 0;
+  width: 150px;
+
+  .el-dropdown-link {
+    display: flex;
+    align-items: center;
+    justify-content: space-between;
+  }
+}
+
+.padding-left-3 {
+  padding-left: 3em;
+}
+
+// 添加边距影响了 divided 行的移入效果，此处做一个兼容处理
+.el-dropdown-menu__item--divided.padding-left-3 {
+  position: relative;
+
+  &::after {
+    content: '';
+    position: absolute;
+    left: 0;
+    top: 0;
+    width: 3em;
+    height: 6px;
+    background: white;
+  }
+}
+
+.format-item {
+  .padding-left-3;
+  width: 180px;
+
+  kbd {
+    font-size: 0.75em;
+    float: right;
+    color: #666;
+  }
+}
 </style>

src/views/CodemirrorEditor.vue

@@ -1,11 +1,20 @@
 <template>
-  <div class="container" :class="{ container_night: nightMode }">
+  <div
+    class="container"
+    :class="{ container_night: nightMode }"
+    @keydown.alt.shift.k="addFormat('[', ']()')"
+    @keydown.alt.shift.u="addFormat('~~')"
+    @keydown.ctrl.alt.l="formatContent()"
+  >
     <el-container>
       <el-header class="editor__header">
         <editor-header
           ref="header"
+          @addFormat="addFormat"
+          @formatContent="formatContent"
           @refresh="onEditorRefresh"
           @cssChanged="cssChanged"
+          @import-md="importMD"
           @download="downloadEditorContent"
           @export="exportEditorContent"
           @showCssEditor="showCssEditor = !showCssEditor"
@@ -110,12 +119,12 @@ import {
   customCssWithTemplate,
   checkImage,
 } from '../assets/scripts/util'
-
 import { toBase64 } from '../assets/scripts/util'
 import fileApi from '../api/file'
+import { mapState, mapMutations } from 'vuex'
 
 require(`codemirror/mode/javascript/javascript`)
-import { mapState, mapMutations } from 'vuex'
+
 export default {
   data() {
     return {
@@ -446,6 +455,64 @@ export default {
         this.isCoping = false
       }, 800)
     },
+    // 工具函数，添加格式
+    addFormat(before, after = before) {
+      const { head, anchor } = this.editor.doc.sel.ranges[0]
+      let start
+      let end
+      // 确定起始关系
+      if (head.line === anchor.line) {
+        if (head.ch < anchor.ch) {
+          start = head
+          end = anchor
+        } else {
+          start = anchor
+          end = head
+        }
+      } else if (head.line < anchor.line) {
+        start = head
+        end = anchor
+      } else {
+        start = head
+        end = anchor
+      }
+
+      const rows = []
+      let row = ``
+      for (const c of this.editor.getValue()) {
+        if (c === `\n`) {
+          rows.push(row)
+          row = ``
+        } else {
+          row += c
+        }
+      }
+      rows.push(row)
+
+      let txt = ``
+      for (let i = 0; i < rows.length; i++) {
+        const row = rows[i]
+        for (let j = 0; j < row.length; j++) {
+          if (i === start.line && j === start.ch) {
+            txt += before
+          }
+          if (i === end.line && j === end.ch) {
+            txt += after
+          }
+          txt += row[j]
+        }
+        //* 特殊情况，结束光标在末尾，无法遍历到
+        if (i === end.line && row.length === end.ch) {
+          txt += after
+        }
+        txt += `\n`
+      }
+      this.editor.setValue(txt)
+    },
+    importMD(md) {
+      this.editor.setValue(md)
+      this.onEditorRefresh()
+    },
     // 导出编辑器内容到本地
     downloadEditorContent() {
       downloadMD(this.editor.getValue(0))
@@ -563,30 +630,37 @@ export default {
   padding-top: 12px;
   overflow: hidden;
 }
+
 .el-main {
   transition: all 0.3s;
   padding: 0;
   margin: 20px;
   margin-top: 0;
 }
+
 .container {
   transition: all 0.3s;
 }
+
 .textarea-wrapper {
   height: 100%;
 }
+
 .preview-wrapper_night {
   overflow-y: inherit;
   position: relative;
   left: -3px;
+
   .preview {
     background-color: #fff;
   }
 }
+
 #output-wrapper {
   position: relative;
   user-select: text;
 }
+
 .loading-mask {
   position: absolute;
   top: 50%;
@@ -598,6 +672,7 @@ export default {
   font-size: 15px;
   color: gray;
   background-color: #1e1e1e;
+
   .loading__img {
     position: absolute;
     left: 50%;
@@ -608,6 +683,7 @@ export default {
     background: url('../assets/images/favicon.png') no-repeat;
     background-size: cover;
   }
+
   span {
     position: absolute;
     left: 50%;
@@ -615,11 +691,13 @@ export default {
     transform: translate(-50%, -50%);
   }
 }
+
 .bounceInRight {
   animation-name: bounceInRight;
   animation-duration: 1s;
   animation-fill-mode: both;
 }
+
 /deep/ .preview-table {
   border-spacing: 0px;
 }
@@ -650,6 +728,7 @@ export default {
     transform: none;
   }
 }
+
 .codeMirror-wrapper {
   overflow-x: auto;
 }