feat: 允许图表设置多个主题色（#45）

src/hooks/useCreateElement.ts

@@ -90,7 +90,7 @@ export default () => {
       top: 81.25,
       width: 400,
       height: 400,
-      themeColor: themeColor.value,
+      themeColor: [themeColor.value],
       gridColor: fontColor.value,
       data: {
         labels: ['类别1', '类别2', '类别3', '类别4', '类别5'],

src/hooks/useExport.ts

@@ -382,7 +382,15 @@ export default () => {
             })
           }
 
-          const chartColors = tinycolor(el.themeColor).analogous(10).map(item => item.toHexString())
+          let chartColors: string[] = []
+          if (el.themeColor.length === 10) chartColors = el.themeColor.map(color => formatColor(color).color)
+          else if (el.themeColor.length === 1) chartColors = tinycolor(el.themeColor[0]).analogous(10).map(color => formatColor(color.toHexString()).color)
+          else {
+            const len = el.themeColor.length
+            const supplement = tinycolor(el.themeColor[len - 1]).analogous(10 + 1 - len).map(color => color.toHexString())
+            chartColors = [...el.themeColor.slice(0, len - 1), ...supplement].map(color => formatColor(color).color)
+          }
+          
           const options: pptxgen.IChartOpts = {
             x: el.left / 100,
             y: el.top / 100,

src/types/slides.ts

@@ -354,7 +354,7 @@ export interface PPTChartElement extends PPTBaseElement {
   data: ChartData;
   options?: ILineChartOptions & IBarChartOptions & IPieChartOptions;
   outline?: PPTElementOutline;
-  themeColor: string;
+  themeColor: string[];
   gridColor?: string;
 }
 

src/views/Editor/Toolbar/ElementStylePanel/ChartStylePanel/index.vue

@@ -53,18 +53,6 @@
         <ColorButton :color="fill" style="flex: 3;" />
       </Popover>
     </div>
-    <div class="row">
-      <div style="flex: 2;">主题配色：</div>
-      <Popover trigger="click">
-        <template #content>
-          <ColorPicker
-            :modelValue="themeColor"
-            @update:modelValue="value => updateTheme(value)"
-          />
-        </template>
-        <ColorButton :color="themeColor" style="flex: 3;" />
-      </Popover>
-    </div>
     <div class="row">
       <div style="flex: 2;">网格颜色：</div>
       <Popover trigger="click">
@@ -79,6 +67,33 @@
     </div>
 
     <Divider />
+
+    <div class="row" v-for="(color, index) in themeColor" :key="index">
+      <div style="flex: 2;">{{index === 0 ? '主题配色：' : ''}}</div>
+      <Popover trigger="click">
+        <template #content>
+          <ColorPicker
+            :modelValue="color"
+            @update:modelValue="value => updateTheme(value, index)"
+          />
+        </template>
+        <div class="color-btn-wrap" style="flex: 3;">
+          <ColorButton :color="color" style="width: 100%;" />
+          <Tooltip :mouseLeaveDelay="0" :mouseEnterDelay="0.5" title="删除">
+            <div class="delete-color-btn" @click.stop="deleteThemeColor(index)" v-if="index !== 0"><IconCloseSmall /></div>
+          </Tooltip>
+        </div>
+      </Popover>
+    </div>
+    <div class="row" v-if="themeColor.length < 10">
+      <div style="flex: 2;"></div>
+      <Button class="add-color-btn" style="flex: 3;" @click="addThemeColor()">
+        <IconPlus />
+      </Button>  
+    </div>
+
+    <Divider />
+
     <ElementOutline />
 
     <Modal
@@ -120,6 +135,7 @@ export default defineComponent({
   setup() {
     const store = useStore()
     const handleElement = computed<PPTChartElement>(() => store.getters.handleElement)
+    const theme = computed(() => store.state.theme)
 
     const chartDataEditorVisible = ref(false)
 
@@ -127,7 +143,7 @@ export default defineComponent({
 
     const fill = ref<string>()
 
-    const themeColor = ref<string>('')
+    const themeColor = ref<string[]>([])
     const gridColor = ref('')
 
     const lineSmooth = ref(true)
@@ -185,8 +201,28 @@ export default defineComponent({
     }
 
     // 设置主题色
-    const updateTheme = (themeColor: string) => {
-      const props = { themeColor }
+    const updateTheme = (color: string, index: number) => {
+      const props = {
+        themeColor: themeColor.value.map((c, i) => i === index ? color : c),
+      }
+      store.commit(MutationTypes.UPDATE_ELEMENT, { id: handleElement.value.id, props })
+      addHistorySnapshot()
+    }
+
+    // 添加主题色
+    const addThemeColor = () => {
+      const props = {
+        themeColor: [...themeColor.value, theme.value.themeColor],
+      }
+      store.commit(MutationTypes.UPDATE_ELEMENT, { id: handleElement.value.id, props })
+      addHistorySnapshot()
+    }
+
+    // 删除主题色
+    const deleteThemeColor = (index: number) => {
+      const props = {
+        themeColor: themeColor.value.filter((c, i) => i !== index),
+      }
       store.commit(MutationTypes.UPDATE_ELEMENT, { id: handleElement.value.id, props })
       addHistorySnapshot()
     }
@@ -220,6 +256,8 @@ export default defineComponent({
       themeColor,
       gridColor,
       updateTheme,
+      addThemeColor,
+      deleteThemeColor,
       updateGridColor,
     }
   },
@@ -239,4 +277,23 @@ export default defineComponent({
 .btn-icon {
   margin-right: 3px;
 }
+
+.add-color-btn {
+  padding: 0 !important;
+}
+.color-btn-wrap {
+  position: relative;
+}
+.delete-color-btn {
+  position: absolute;
+  width: 30px;
+  right: 2px;
+  top: 2px;
+  bottom: 2px;
+  display: flex;
+  justify-content: center;
+  align-items: center;
+  background-color: #fff;
+  cursor: pointer;
+}
 </style>

src/views/Editor/Toolbar/SlideDesignPanel.vue

@@ -327,7 +327,7 @@ export default defineComponent({
             }
           }
           else if (el.type === 'chart') {
-            el.themeColor = themeColor
+            el.themeColor = [themeColor]
             el.gridColor = fontColor
           }
         }

src/views/components/element/ChartElement/Chart.vue

@@ -51,7 +51,7 @@ export default defineComponent({
       type: Object as PropType<ILineChartOptions & IBarChartOptions & IPieChartOptions>,
     },
     themeColor: {
-      type: String,
+      type: Array as PropType<string[]>,
       required: true,
     },
     gridColor: {
@@ -101,14 +101,22 @@ export default defineComponent({
 
     onMounted(renderChart)
 
-    // 更新主题配色：获取主题色的相近颜色作为主题配色
+    // 更新主题配色：
+    // 如果当前所设置的主题色数小于10，剩余部分获取最后一个主题色的相近颜色作为配色
     const updateTheme = () => {
       if (!chartRef.value) return
 
-      const colors = tinycolor(props.themeColor).analogous(10)
+      let colors: string[] = []
+      if (props.themeColor.length === 10) colors = props.themeColor
+      else if (props.themeColor.length === 1) colors = tinycolor(props.themeColor[0]).analogous(10).map(color => color.toHexString())
+      else {
+        const len = props.themeColor.length
+        const supplement = tinycolor(props.themeColor[len - 1]).analogous(10 + 1 - len).map(color => color.toHexString())
+        colors = [...props.themeColor.slice(0, len - 1), ...supplement]
+      }
+
       for (let i = 0; i < 10; i++) {
-        const color = colors[i].toRgbString()
-        chartRef.value.style.setProperty(`--theme-color-${i + 1}`, color)
+        chartRef.value.style.setProperty(`--theme-color-${i + 1}`, colors[i])
       }
     }