feat: md-pins allow numbers

src/components/stores/pinsStore.ts

@@ -10,10 +10,31 @@ interface PinsState {
   pins: Pin[];
   rawSrc: string;
   isFixed: boolean;
+  labelStart: string;
 }
 
-// 生成标签 A-Z, AA-ZZ, AAA-ZZZ ...
-export function generateLabel(index: number): string {
+// 判断 labelStart 是否为数字
+function isNumericLabelStart(start: string): boolean {
+  return /^\d+$/.test(start);
+}
+
+// 生成字母标签 A-Z, AA-ZZ, AAA-ZZZ ... 从指定起始值开始
+export function generateAlphaLabel(index: number, startLabel: string = 'A'): string {
+  const startOffset = alphaLabelToIndex(startLabel);
+  return indexToAlphaLabel(index + startOffset);
+}
+
+// 将字母标签转换为索引 (A=0, B=1, ..., Z=25, AA=26, ...)
+export function alphaLabelToIndex(label: string): number {
+  let index = 0;
+  for (let i = 0; i < label.length; i++) {
+    index = index * 26 + (label.charCodeAt(i) - 64);
+  }
+  return index - 1;
+}
+
+// 将索引转换为字母标签 (0=A, 1=B, ..., 25=Z, 26=AA, ...)
+export function indexToAlphaLabel(index: number): string {
   const labels: string[] = [];
   let num = index;
 
@@ -26,12 +47,18 @@ export function generateLabel(index: number): string {
   return labels.join('');
 }
 
-// 解析 pins 字符串 "A:30,40 B:10,30" -> Pin[]
+// 生成数字标签，从指定起始值开始
+export function generateNumberLabel(index: number, startNum: number): string {
+  return String(startNum + index);
+}
+
+// 解析 pins 字符串 "A:30,40 B:10,30" 或 "1:30,40 2:10,30" -> Pin[]
 export function parsePins(pinsStr: string): Pin[] {
   if (!pinsStr) return [];
 
   const pins: Pin[] = [];
-  const regex = /([A-Z]+):(\d+),(\d+)/g;
+  // 支持任意非空白字符作为标签（不仅限于大写字母）
+  const regex = /([^:\s]+):(\d+),(\d+)/g;
   let match;
 
   while ((match = regex.exec(pinsStr)) !== null) {
@@ -51,28 +78,52 @@ export function formatPins(pins: Pin[]): string {
 }
 
 // 找到最早未使用的标签
-export function findNextUnusedLabel(pins: Pin[]): string {
+export function findNextUnusedLabel(pins: Pin[], labelStart: string): string {
   const usedLabels = new Set(pins.map(p => p.label));
 
-  let index = 0;
-  while (true) {
-    const label = generateLabel(index);
-    if (!usedLabels.has(label)) {
-      return label;
+  if (isNumericLabelStart(labelStart)) {
+    // 数字标签模式
+    const startNum = parseInt(labelStart);
+    let index = 0;
+    while (true) {
+      const label = generateNumberLabel(index, startNum);
+      if (!usedLabels.has(label)) {
+        return label;
+      }
+      index++;
+      if (index > 10000) break; // 安全限制
+    }
+  } else {
+    // 字母标签模式
+    let index = 0;
+    while (true) {
+      const label = generateAlphaLabel(index, labelStart);
+      if (!usedLabels.has(label)) {
+        return label;
+      }
+      index++;
+      if (index > 10000) break; // 安全限制
     }
-    index++;
-    if (index > 10000) break; // 安全限制
   }
 
-  return generateLabel(pins.length);
+  // 回退值
+  if (isNumericLabelStart(labelStart)) {
+    return generateNumberLabel(pins.length, parseInt(labelStart));
+  }
+  return generateAlphaLabel(pins.length, labelStart);
 }
 
 // 创建 store 实例
-export function createPinsStore(initialPinsStr: string = "", initialFixed: boolean = false) {
+export function createPinsStore(
+  initialPinsStr: string = "",
+  initialFixed: boolean = false,
+  initialLabelStart: string = "A"
+) {
   const [state, setState] = createStore<PinsState>({
     pins: parsePins(initialPinsStr),
     rawSrc: "",
-    isFixed: initialFixed
+    isFixed: initialFixed,
+    labelStart: initialLabelStart
   });
 
   const setRawSrc = (src: string) => {
@@ -80,7 +131,7 @@ export function createPinsStore(initialPinsStr: string = "", initialFixed: boole
   };
 
   const addPin = (x: number, y: number) => {
-    const label = findNextUnusedLabel(state.pins);
+    const label = findNextUnusedLabel(state.pins, state.labelStart);
     setState("pins", [...state.pins, { x, y, label }]);
   };
 
@@ -92,7 +143,8 @@ export function createPinsStore(initialPinsStr: string = "", initialFixed: boole
 
   const getCopyText = () => {
     const pinsStr = formatCurrentPins();
-    return `:md-pins[${state.rawSrc}]{pins="${pinsStr}" fixed}`;
+    const labelStartAttr = state.labelStart !== 'A' ? ` labelStart="${state.labelStart}"` : '';
+    return `:md-pins[${state.rawSrc}]{pins="${pinsStr}" fixed${labelStartAttr}`;
   };
 
   return {