fix: pin editor

src/components/md-pin-editor.tsx

@@ -22,7 +22,48 @@ function generateLabel(index: number): string {
   return labels.join('');
 }
 
-customElement("md-pin-editor", {}, (props, { element }) => {
+// 解析 pins 字符串 "A:30,40 B:10,30" -> Pin[]
+function parsePins(pinsStr: string): Pin[] {
+  if (!pinsStr) return [];
+  
+  const pins: Pin[] = [];
+  const regex = /([A-Z]+):(\d+),(\d+)/g;
+  let match;
+  
+  while ((match = regex.exec(pinsStr)) !== null) {
+    pins.push({
+      label: match[1],
+      x: parseInt(match[2]),
+      y: parseInt(match[3])
+    });
+  }
+  
+  return pins;
+}
+
+// 格式化 pins 为字符串 "A:30,40 B:10,30"
+function formatPins(pins: Pin[]): string {
+  return pins.map(pin => `${pin.label}:${pin.x},${pin.y}`).join(' ');
+}
+
+// 找到最早未使用的标签
+function findNextUnusedLabel(pins: Pin[]): 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;
+    }
+    index++;
+    if (index > 10000) break; // 安全限制
+  }
+  
+  return generateLabel(pins.length);
+}
+
+customElement("md-pin-editor", { pins: "", fixed: false }, (props, { element }) => {
   noShadowDOM();
 
   const [pins, setPins] = createSignal<Pin[]>([]);
@@ -57,18 +98,30 @@ customElement("md-pin-editor", {}, (props, { element }) => {
   const [image] = createResource(resolvedSrc, loadImage);
   const visible = createMemo(() => !image.loading && !!image());
 
+  // 从 props.pins 初始化 pins
+  onMount(() => {
+    if (props.pins) {
+      const parsed = parsePins(props.pins);
+      if (parsed.length > 0) {
+        setPins(parsed);
+      }
+    }
+  });
+
   // 添加 pin
   const addPin = (e: MouseEvent) => {
     e.preventDefault();
     e.stopPropagation();
 
+    if (isFixed()) return;
+
     const imgRect = (e.target as Element).getBoundingClientRect();
     const clickX = ((e.clientX - imgRect.left) / imgRect.width) * 100;
     const clickY = ((e.clientY - imgRect.top) / imgRect.height) * 100;
 
     const x = Math.round(clickX);
     const y = Math.round(clickY);
-    const label = generateLabel(pins().length);
+    const label = findNextUnusedLabel(pins());
 
     setPins([...pins(), { x, y, label }]);
   };
@@ -77,13 +130,16 @@ customElement("md-pin-editor", {}, (props, { element }) => {
   const removePin = (index: number, e: MouseEvent) => {
     e.preventDefault();
     e.stopPropagation();
+    
+    if (isFixed()) return;
+    
     setPins(pins().filter((_, i) => i !== index));
   };
 
-  // 复制所有 pin 为 md-pin 文本
+  // 复制所有 pin 为 :md-editor-pin 格式
   const copyPins = () => {
-    const pinTexts = pins().map(pin => `:md-pin[${pin.label}]{x=${pin.x} y=${pin.y}}`);
-    const text = pinTexts.join('\n');
+    const pinsStr = formatPins(pins());
+    const text = `:md-pin-editor[${rawSrc}]{pins="${pinsStr}" fixed}`;
 
     navigator.clipboard.writeText(text).then(() => {
       setShowToast(true);
@@ -93,18 +149,26 @@ customElement("md-pin-editor", {}, (props, { element }) => {
     });
   };
 
+  const isFixed = () => props.fixed;
+
   return (
     <div ref={editorContainer}>
-      <Show when={visible()}>
+      <Show when={visible() && image()}>
         {/* 图片容器 */}
         <div class="relative" onClick={addPin}>
           {/* 显示图片 */}
           <img src={resolvedSrc} alt="" class="inset-0" />
           
           {/* 透明遮罩层 */}
+          <Show when={!isFixed()}>
             <div class="absolute inset-0 bg-transparent hover:bg-black/10 transition-colors cursor-crosshair" />
+          </Show>
+          <Show when={isFixed()}>
+            <div class="absolute inset-0 pointer-events-none" />
+          </Show>
 
           {/* 复制按钮 HUD */}
+          <Show when={!isFixed()}>
             <div class="absolute top-2 right-2 z-20">
               <button
                 onClick={(e) => {
@@ -117,21 +181,22 @@ customElement("md-pin-editor", {}, (props, { element }) => {
                 📋 复制
               </button>
             </div>
+          </Show>
 
           {/* Pin 列表 */}
           <For each={pins()}>
             {(pin, index) => (
               <span
                 onClick={(e) => removePin(index(), e)}
-                class="absolute transform -translate-x-1/2 -translate-y-1/2 pointer-events-auto cursor-pointer
+                class={`absolute transform -translate-x-1/2 -translate-y-1/2 pointer-events-auto
                        bg-red-500 text-white text-xs font-bold rounded-full w-6 h-6
                        flex items-center justify-center shadow-lg
-                       hover:bg-red-600 hover:scale-110 transition-all z-10"
+                       ${!isFixed() ? 'cursor-pointer hover:bg-red-600 hover:scale-110 transition-all z-10' : 'cursor-default z-10'}`}
                 style={{
                   left: `${pin.x}%`,
                   top: `${pin.y}%`
                 }}
-                title={`点击删除 (${pin.x}, ${pin.y})`}
+                title={isFixed() ? `(${pin.x}, ${pin.y})` : `点击删除 (${pin.x}, ${pin.y})`}
               >
                 {pin.label}
               </span>