feat(ui): CommonDialog 支持垂直3按钮布局（iOS风格）

app/src/main/java/com/shuwei/dish/match/dialog/CommonDialog.kt

@@ -26,8 +26,10 @@ open class CommonDialog(
     private var contentText: String? = null
     private var negativeText = "取消"
     private var positiveText = "确认"
+    private var neutralText: String? = null
     private var negativeClick: (() -> Unit)? = null
     private var positiveClick: (() -> Unit)? = null
+    private var neutralClick: (() -> Unit)? = null
     private var dismissCallback: (() -> Unit)? = null
 
     /** 设置标题，为空时隐藏 */
@@ -36,18 +38,24 @@ open class CommonDialog(
     /** 设置内容，为空时隐藏 */
     fun setContent(text: String): CommonDialog = apply { contentText = text }
 
-    /** 设置左侧取消按钮文字及点击回调 */
+    /** 设置左侧取消按钮文字及点击回调（3按钮模式下对应顶部按钮） */
     fun setNegativeButton(text: String, onClick: (() -> Unit)? = null): CommonDialog = apply {
         negativeText = text
         negativeClick = onClick
     }
 
-    /** 设置右侧确认按钮文字及点击回调 */
+    /** 设置右侧确认按钮文字及点击回调（3按钮模式下对应底部按钮） */
     fun setPositiveButton(text: String, onClick: (() -> Unit)? = null): CommonDialog = apply {
         positiveText = text
         positiveClick = onClick
     }
 
+    /** 设置中间第三个按钮文字及点击回调，调用后自动切换为垂直3按钮布局 */
+    fun setNeutralButton(text: String, onClick: (() -> Unit)? = null): CommonDialog = apply {
+        neutralText = text
+        neutralClick = onClick
+    }
+
     /** 设置弹窗消失回调 */
     fun setOnDismissCallback(callback: () -> Unit): CommonDialog = apply {
         dismissCallback = callback
@@ -70,6 +78,8 @@ open class CommonDialog(
         val verticalMargin = if (GlobalData.deviceRole == DeviceRole.MASTER) 35.dp else 20.dp
         binding.tvTitle.updateLayoutParams<LinearLayout.LayoutParams> { topMargin = verticalMargin }
         binding.tvContent.updateLayoutParams<LinearLayout.LayoutParams> { bottomMargin = verticalMargin }
+
+        // 2按钮点击事件
         binding.btnLeft.setOnClickListener {
             negativeClick?.invoke()
             dismiss()
@@ -78,6 +88,21 @@ open class CommonDialog(
             positiveClick?.invoke()
             dismiss()
         }
+
+        // 3按钮点击事件（negativeClick/positiveClick 与2按钮模式共用）
+        binding.btnTop.setOnClickListener {
+            negativeClick?.invoke()
+            dismiss()
+        }
+        binding.btnMiddle.setOnClickListener {
+            neutralClick?.invoke()
+            dismiss()
+        }
+        binding.btnBottom.setOnClickListener {
+            positiveClick?.invoke()
+            dismiss()
+        }
+
         setOnDismissListener { dismissCallback?.invoke() }
     }
 
@@ -87,8 +112,21 @@ open class CommonDialog(
         binding.tvContent.text = contentText
         binding.tvTitle.visibility = if (titleText.isNullOrEmpty()) View.GONE else View.VISIBLE
         binding.tvContent.visibility = if (contentText.isNullOrEmpty()) View.GONE else View.VISIBLE
-        binding.btnLeft.text = negativeText
-        binding.btnRight.text = positiveText
+
+        val hasThreeButtons = !neutralText.isNullOrEmpty()
+        binding.layoutButtonsHorizontal.visibility = if (hasThreeButtons) View.GONE else View.VISIBLE
+        binding.layoutButtonsVertical.visibility = if (hasThreeButtons) View.VISIBLE else View.GONE
+
+        if (hasThreeButtons) {
+            // 3按钮模式：顶部=取消，中间=中立，底部=确认
+            binding.btnTop.text = negativeText
+            binding.btnMiddle.text = neutralText
+            binding.btnBottom.text = positiveText
+        } else {
+            // 2按钮模式
+            binding.btnLeft.text = negativeText
+            binding.btnRight.text = positiveText
+        }
     }
 }