From 3574f5391fbd93730557dada186b2eaef7bac7ef Mon Sep 17 00:00:00 2001
From: zdl <3489966805@qq.com>
Date: Fri, 7 Nov 2025 15:17:57 +0800
Subject: [PATCH] =?UTF-8?q?feat:=20=E5=8A=A8=E7=94=BB=E8=B0=83=E6=95=B4?=
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---
 .../Community/components/DynamicNewsCard.js   | 78 ++++++++++++++-----
 1 file changed, 57 insertions(+), 21 deletions(-)

diff --git a/src/views/Community/components/DynamicNewsCard.js b/src/views/Community/components/DynamicNewsCard.js
index e4ca1150..b355e42f 100644
--- a/src/views/Community/components/DynamicNewsCard.js
+++ b/src/views/Community/components/DynamicNewsCard.js
@@ -54,6 +54,7 @@ let dynamicNewsCardRenderCount = 0;
  * @param {Function} onSearchFocus - 搜索框获得焦点回调
  * @param {Function} onEventClick - 事件点击回调
  * @param {Function} onViewDetail - 查看详情回调
+ * @param {Object} trackingFunctions - PostHog 追踪函数集合
  * @param {Object} ref - 用于滚动的ref
  */
 const DynamicNewsCard = forwardRef(({
@@ -64,6 +65,7 @@ const DynamicNewsCard = forwardRef(({
   onSearchFocus,
   onEventClick,
   onViewDetail,
+  trackingFunctions = {},
   ...rest
 }, ref) => {
   const dispatch = useDispatch();
@@ -205,9 +207,22 @@ const [currentMode, setCurrentMode] = useState('vertical');
   // 四排模式的事件点击处理（打开弹窗）
   const handleFourRowEventClick = useCallback((event) => {
     console.log('%c🔲 [四排模式] 点击事件，打开详情弹窗', 'color: #8B5CF6; font-weight: bold;', { eventId: event.id, title: event.title });
+
+    // 🎯 追踪事件详情打开
+    if (trackingFunctions.trackNewsDetailOpened) {
+      trackingFunctions.trackNewsDetailOpened({
+        eventId: event.id,
+        eventTitle: event.title,
+        importance: event.importance,
+        source: 'four_row_mode',
+        displayMode: 'modal',
+        timestamp: new Date().toISOString(),
+      });
+    }
+
     setModalEvent(event);
     onModalOpen();
-  }, [onModalOpen]);
+  }, [onModalOpen, trackingFunctions]);
 
   // 初始加载 - 只在组件首次挂载且对应模式数据为空时执行
   useEffect(() => {
@@ -302,6 +317,18 @@ const [currentMode, setCurrentMode] = useState('vertical');
         console.log('%c🎯 [首次加载] 自动选中第一个事件', 'color: #10B981; font-weight: bold;');
         hasAutoSelectedFirstEvent.current = true;
         setSelectedEvent(currentPageEvents[0]);
+
+        // 🎯 追踪事件点击（首次自动选中）
+        if (trackingFunctions.trackNewsArticleClicked) {
+          trackingFunctions.trackNewsArticleClicked({
+            eventId: currentPageEvents[0].id,
+            eventTitle: currentPageEvents[0].title,
+            importance: currentPageEvents[0].importance,
+            source: 'auto_select_first',
+            displayMode: mode,
+            timestamp: new Date().toISOString(),
+          });
+        }
         return;
       }
 
@@ -310,7 +337,7 @@ const [currentMode, setCurrentMode] = useState('vertical');
         e => e.id === selectedEvent?.id
       );
     }
-  }, [currentPageEvents, selectedEvent?.id, mode]);
+  }, [currentPageEvents, selectedEvent?.id, mode, trackingFunctions]);
 
   // 组件卸载时清理选中状态
   useEffect(() => {
@@ -364,7 +391,9 @@ const [currentMode, setCurrentMode] = useState('vertical');
     if (!cardHeaderElement || !cardBodyElement) return;
 
     let ticking = false;
-    const TRIGGER_OFFSET = 100; // 提前 100px 触发
+    const TRIGGER_OFFSET = 150; // 提前 150px 触发（进入固定模式）
+    const EXIT_OFFSET = 200;    // 提前 200px 退出（退出比进入更容易）
+    const EXIT_THRESHOLD = 30;  // 接近顶部 30px 内即可退出
 
     // 外部滚动监听：触发固定模式
     const handleExternalScroll = () => {
@@ -375,7 +404,7 @@ const [currentMode, setCurrentMode] = useState('vertical');
           const rect = cardHeaderElement.getBoundingClientRect();
           const elementTop = rect.top;
 
-          // 计算触发点：总导航高度 + 100px 偏移量
+          // 计算触发点：总导航高度 + 150px 偏移量
           const triggerPoint = TOTAL_NAV_HEIGHT + TRIGGER_OFFSET;
 
           // 向上滑动：元素顶部到达触发点 → 激活固定模式
@@ -402,25 +431,31 @@ const [currentMode, setCurrentMode] = useState('vertical');
 
       // 检测向上滚动（deltaY < 0）
       if (e.deltaY < 0) {
-        // 查找所有滚动容器
-        const scrollContainers = cardBodyElement.querySelectorAll('[data-scroll-container]');
+        window.requestAnimationFrame(() => {
+          // 🎯 检查 1：CardHeader 位置（主要条件）
+          const rect = cardHeaderElement.getBoundingClientRect();
+          const elementTop = rect.top;
+          const exitPoint = TOTAL_NAV_HEIGHT + EXIT_OFFSET;
 
-        if (scrollContainers.length === 0) {
-          // 如果没有找到标记的容器，查找所有可滚动元素
-          const allScrollable = cardBodyElement.querySelectorAll('[style*="overflow"]');
-          scrollContainers = allScrollable;
-        }
+          // 🎯 检查 2：左侧事件列表滚动位置（辅助条件）
+          const eventListContainers = cardBodyElement.querySelectorAll('[data-event-list-container]');
+          const allNearTop = eventListContainers.length === 0 ||
+                            Array.from(eventListContainers).every(
+                              container => container.scrollTop <= EXIT_THRESHOLD
+                            );
 
-        // 检查是否所有滚动容器都在顶部
-        const allAtTop = scrollContainers.length === 0 ||
-                        Array.from(scrollContainers).every(
-                          container => container.scrollTop === 0
-                        );
-
-        if (allAtTop) {
-          setIsFixedMode(false);
-          console.log('🔓 恢复正常文档流模式（内部滚动到顶部）');
-        }
+          // 🎯 退出条件：CardHeader 超过退出点 OR 左侧列表接近顶部
+          if (elementTop > exitPoint || allNearTop) {
+            setIsFixedMode(false);
+            console.log('🔓 恢复正常文档流模式', {
+              elementTop,
+              exitPoint,
+              listNearTop: allNearTop,
+              exitThreshold: EXIT_THRESHOLD,
+              reason: elementTop > exitPoint ? 'CardHeader位置' : '左侧列表滚动'
+            });
+          }
+        });
       }
     };
 
@@ -490,6 +525,7 @@ const [currentMode, setCurrentMode] = useState('vertical');
             filters={filters}
             mode={mode}
             pageSize={pageSize}
+            trackingFunctions={trackingFunctions}
           />
         </Box>
       </CardHeader>