Demo：支持单独设置每条关联线的样式

web/src/pages/Edit/components/AssociativeLineStyle.vue

@@ -0,0 +1,420 @@
+<template>
+  <Sidebar ref="sidebar" :title="'关联线样式'">
+    <div class="sidebarContent" :class="{ isDark: isDark }">
+      <div class="title noTop">{{ $t('baseStyle.associativeLine') }}</div>
+      <div class="row">
+        <div class="rowItem">
+          <span class="name">{{ $t('baseStyle.associativeLineColor') }}</span>
+          <span
+            class="block"
+            v-popover:popover4
+            :style="{ backgroundColor: style.associativeLineColor }"
+          ></span>
+          <el-popover ref="popover4" placement="bottom" trigger="click">
+            <Color
+              :color="style.associativeLineColor"
+              @change="
+                color => {
+                  update('associativeLineColor', color)
+                }
+              "
+            ></Color>
+          </el-popover>
+        </div>
+        <div class="rowItem">
+          <span class="name">{{ $t('baseStyle.associativeLineWidth') }}</span>
+          <el-select
+            size="mini"
+            style="width: 80px"
+            v-model="style.associativeLineWidth"
+            placeholder=""
+            @change="
+              value => {
+                update('associativeLineWidth', value)
+              }
+            "
+          >
+            <el-option
+              v-for="item in lineWidthList"
+              :key="item"
+              :label="item"
+              :value="item"
+            >
+              <span
+                v-if="item > 0"
+                class="borderLine"
+                :class="{ isDark: isDark }"
+                :style="{ height: item + 'px' }"
+              ></span>
+            </el-option>
+          </el-select>
+        </div>
+      </div>
+      <div class="row">
+        <div class="rowItem">
+          <span class="name">{{
+            $t('baseStyle.associativeLineActiveColor')
+          }}</span>
+          <span
+            class="block"
+            v-popover:popover5
+            :style="{ backgroundColor: style.associativeLineActiveColor }"
+          ></span>
+          <el-popover ref="popover5" placement="bottom" trigger="click">
+            <Color
+              :color="style.associativeLineActiveColor"
+              @change="
+                color => {
+                  update('associativeLineActiveColor', color)
+                }
+              "
+            ></Color>
+          </el-popover>
+        </div>
+        <div class="rowItem">
+          <span class="name">{{
+            $t('baseStyle.associativeLineActiveWidth')
+          }}</span>
+          <el-select
+            size="mini"
+            style="width: 80px"
+            v-model="style.associativeLineActiveWidth"
+            placeholder=""
+            @change="
+              value => {
+                update('associativeLineActiveWidth', value)
+              }
+            "
+          >
+            <el-option
+              v-for="item in lineWidthList"
+              :key="item"
+              :label="item"
+              :value="item"
+            >
+              <span
+                v-if="item > 0"
+                class="borderLine"
+                :class="{ isDark: isDark }"
+                :style="{ height: item + 'px' }"
+              ></span>
+            </el-option>
+          </el-select>
+        </div>
+      </div>
+      <div class="row">
+        <div class="rowItem">
+          <span class="name">{{ $t('style.style') }}</span>
+          <el-select
+            size="mini"
+            style="width: 80px"
+            v-model="style.associativeLineDasharray"
+            placeholder=""
+            @change="
+              value => {
+                update('associativeLineDasharray', value)
+              }
+            "
+          >
+            <el-option
+              v-for="item in borderDasharrayList"
+              :key="item.value"
+              :label="item.name"
+              :value="item.value"
+            >
+              <svg width="120" height="34">
+                <line
+                  x1="10"
+                  y1="17"
+                  x2="110"
+                  y2="17"
+                  stroke-width="2"
+                  :stroke="
+                    style.associativeLineDasharray === item.value
+                      ? '#409eff'
+                      : isDark
+                      ? '#fff'
+                      : '#000'
+                  "
+                  :stroke-dasharray="item.value"
+                ></line>
+              </svg>
+            </el-option>
+          </el-select>
+        </div>
+      </div>
+      <!-- 关联线文字 -->
+      <div class="title noTop">{{ $t('baseStyle.associativeLineText') }}</div>
+      <div class="row">
+        <div class="rowItem">
+          <span class="name">{{ $t('baseStyle.fontFamily') }}</span>
+          <el-select
+            size="mini"
+            v-model="style.associativeLineTextFontFamily"
+            placeholder=""
+            @change="update('associativeLineTextFontFamily', $event)"
+          >
+            <el-option
+              v-for="item in fontFamilyList"
+              :key="item.value"
+              :label="item.name"
+              :value="item.value"
+              :style="{ fontFamily: item.value }"
+            >
+            </el-option>
+          </el-select>
+        </div>
+      </div>
+      <div class="row">
+        <div class="rowItem">
+          <span class="name">{{ $t('baseStyle.color') }}</span>
+          <span
+            class="block"
+            v-popover:popover6
+            :style="{ backgroundColor: style.associativeLineTextColor }"
+          ></span>
+          <el-popover ref="popover6" placement="bottom" trigger="click">
+            <Color
+              :color="style.associativeLineTextColor"
+              @change="
+                color => {
+                  update('associativeLineTextColor', color)
+                }
+              "
+            ></Color>
+          </el-popover>
+        </div>
+        <div class="rowItem">
+          <span class="name">{{ $t('baseStyle.fontSize') }}</span>
+          <el-select
+            size="mini"
+            style="width: 80px"
+            v-model="style.associativeLineTextFontSize"
+            placeholder=""
+            @change="update('associativeLineTextFontSize', $event)"
+          >
+            <el-option
+              v-for="item in fontSizeList"
+              :key="item"
+              :label="item"
+              :value="item"
+              :style="{ fontSize: item + 'px' }"
+            >
+            </el-option>
+          </el-select>
+        </div>
+      </div>
+    </div>
+  </Sidebar>
+</template>
+
+<script>
+import Sidebar from './Sidebar'
+import Color from './Color'
+import {
+  lineWidthList,
+  lineStyleList,
+  backgroundRepeatList,
+  backgroundPositionList,
+  backgroundSizeList,
+  fontFamilyList,
+  fontSizeList,
+  rootLineKeepSameInCurveList,
+  lineStyleMap,
+  borderDasharrayList
+} from '@/config'
+import { mapState, mapMutations } from 'vuex'
+import {
+  supportLineStyleLayoutsMap,
+  supportLineRadiusLayouts,
+  supportNodeUseLineStyleLayouts,
+  supportRootLineKeepSameInCurveLayouts,
+  rainbowLinesOptions
+} from '@/config/constant'
+
+const defaultStyle = {
+  associativeLineColor: '',
+  associativeLineWidth: 0,
+  associativeLineActiveWidth: 0,
+  associativeLineDasharray: '',
+  associativeLineActiveColor: '',
+  associativeLineTextFontSize: 0,
+  associativeLineTextColor: '',
+  associativeLineTextFontFamily: ''
+}
+
+export default {
+  name: 'BaseStyle',
+  components: {
+    Sidebar,
+    Color
+  },
+  props: {
+    mindMap: {
+      type: Object
+    }
+  },
+  data() {
+    return {
+      lineWidthList,
+      fontSizeList,
+      activeLineNode: null,
+      activeLineToNode: null,
+      style: {
+        ...defaultStyle
+      }
+    }
+  },
+  computed: {
+    ...mapState({
+      activeSidebar: state => state.activeSidebar,
+      isDark: state => state.localConfig.isDark
+    }),
+
+    fontFamilyList() {
+      return fontFamilyList[this.$i18n.locale] || fontFamilyList.zh
+    },
+
+    borderDasharrayList() {
+      return borderDasharrayList[this.$i18n.locale] || borderDasharrayList.zh
+    }
+  },
+  watch: {
+    activeSidebar(val) {
+      if (val === 'associativeLineStyle') {
+        this.$refs.sidebar.show = true
+      } else {
+        this.$refs.sidebar.show = false
+      }
+    }
+  },
+  created() {
+    this.mindMap.on('associative_line_click', this.onAssociativeLineClick)
+    this.mindMap.on(
+      'associative_line_deactivate',
+      this.associativeLineDeactivate
+    )
+  },
+  methods: {
+    ...mapMutations(['setActiveSidebar']),
+
+    onAssociativeLineClick(a, b, node, toNode) {
+      this.activeLineNode = node
+      this.activeLineToNode = toNode
+      const styleConfig = this.mindMap.associativeLine.getStyleConfig(
+        node,
+        toNode
+      )
+      Object.keys(this.style).forEach(item => {
+        this.style[item] = styleConfig[item]
+      })
+      this.setActiveSidebar('associativeLineStyle')
+    },
+
+    associativeLineDeactivate() {
+      this.setActiveSidebar('')
+      this.activeLineNode = null
+      this.activeLineToNode = null
+      this.style = {
+        ...defaultStyle
+      }
+    },
+
+    update(prop, value) {
+      this.style[prop] = value
+      const associativeLineStyle =
+        this.activeLineNode.getData('associativeLineStyle') || {}
+      const toNodeUid = this.activeLineToNode.getData('uid')
+      const lineStyle = associativeLineStyle[toNodeUid] || {}
+      this.activeLineNode.setData({
+        associativeLineStyle: {
+          ...associativeLineStyle,
+          [toNodeUid]: {
+            ...lineStyle,
+            ...this.style
+          }
+        }
+      })
+      this.mindMap.associativeLine.updateActiveLineStyle()
+    }
+  }
+}
+</script>
+
+<style lang="less" scoped>
+.sidebarContent {
+  padding: 20px;
+  padding-top: 10px;
+
+  &.isDark {
+    .title {
+      color: #fff;
+    }
+
+    .row {
+      .rowItem {
+        .name {
+          color: hsla(0, 0%, 100%, 0.6);
+        }
+      }
+    }
+  }
+
+  .title {
+    font-size: 16px;
+    font-family: PingFangSC-Medium, PingFang SC;
+    font-weight: 500;
+    color: rgba(26, 26, 26, 0.9);
+    margin-bottom: 10px;
+    margin-top: 20px;
+
+    &.noTop {
+      margin-top: 0;
+    }
+  }
+
+  .row {
+    display: flex;
+    justify-content: space-between;
+    margin-bottom: 10px;
+
+    .rowItem {
+      display: flex;
+      align-items: center;
+      margin-bottom: 5px;
+
+      .name {
+        font-size: 12px;
+        margin-right: 10px;
+        white-space: nowrap;
+      }
+
+      .block {
+        display: inline-block;
+        width: 30px;
+        height: 30px;
+        border: 1px solid #dcdfe6;
+        border-radius: 4px;
+        cursor: pointer;
+      }
+    }
+  }
+}
+
+.borderLine {
+  display: inline-block;
+  width: 100%;
+  background-color: #000;
+
+  &.isDark {
+    background-color: #fff;
+  }
+}
+</style>
+<style lang="less">
+.el-select-dropdown__item.selected {
+  .borderLine {
+    background-color: #409eff;
+  }
+}
+</style>

web/src/pages/Edit/components/Edit.vue

@@ -17,6 +17,7 @@
     <OutlineSidebar :mindMap="mindMap"></OutlineSidebar>
     <Style v-if="!isZenMode"></Style>
     <BaseStyle :data="mindMapData" :mindMap="mindMap"></BaseStyle>
+    <AssociativeLineStyle v-if="mindMap" :mindMap="mindMap"></AssociativeLineStyle>
     <Theme v-if="mindMap" :data="mindMapData" :mindMap="mindMap"></Theme>
     <Structure :mindMap="mindMap"></Structure>
     <ShortcutKey></ShortcutKey>
@@ -122,6 +123,7 @@ import NodeAttachment from './NodeAttachment.vue'
 import NodeOuterFrame from './NodeOuterFrame.vue'
 import NodeTagStyle from './NodeTagStyle.vue'
 import Setting from './Setting.vue'
+import AssociativeLineStyle from './AssociativeLineStyle.vue';
 
 // 注册插件
 MindMap.usePlugin(MiniMap)
@@ -174,7 +176,8 @@ export default {
     NodeAttachment,
     NodeOuterFrame,
     NodeTagStyle,
-    Setting
+    Setting,
+    AssociativeLineStyle
   },
   data() {
     return {