feat: gannt add dependency link point click event

docs/assets/api/en/GanttAPI.md

@@ -249,3 +249,20 @@ Event return parameters:
     link: ITaskLink;
   };
 ```
+
+### CLICK_DEPENDENCY_LINK_POINT
+
+Events that click dependency line point
+Event return parameters:
+
+```
+{
+   event: Event;
+    /** click start or end link point */
+    point: 'start' | 'end';
+    /** the data order */
+    index: number;
+    /** the data info */
+    record: any;
+  };
+```

docs/assets/api/zh/GanttAPI.md

@@ -250,3 +250,20 @@ MOUSEENTER_TASK_BAR
     link: ITaskLink;
   };
 ```
+
+### CLICK_DEPENDENCY_LINK_POINT
+
+点击依赖关系点的事件
+事件回传参数：
+
+```
+{
+   event: Event;
+    /** 点击的是起始点还是结束点 */
+    point: 'start' | 'end';
+    /** 第几条数据 */
+    index: number;
+    /** 点击连接点的数据信息 */
+    record: any;
+  };
+```

packages/vtable-gantt/src/event/event-manager.ts

@@ -346,6 +346,18 @@ function bindTableGroupListener(event: EventManager) {
       stateManager.hideTaskBarSelectedBorder();
       scene._gantt.stateManager.selectedDenpendencyLink.link = depedencyLink;
       stateManager.showDependencyLinkSelectedLine();
+    } else if ((isClickLeftLinkPoint || isClickRightLinkPoint) && event.poniterState === 'down') {
+      if (gantt.hasListeners(GANTT_EVENT_TYPE.CLICK_DEPENDENCY_LINK_POINT)) {
+        const taskIndex = getTaskIndexByY(e.offset.y, gantt);
+        const record = gantt.getRecordByIndex(taskIndex);
+        gantt.fireListeners(GANTT_EVENT_TYPE.CLICK_DEPENDENCY_LINK_POINT, {
+          event: e.nativeEvent,
+          index: taskIndex,
+          point: isClickLeftLinkPoint ? 'start' : 'end',
+          record
+        });
+      }
+      stateManager.hideTaskBarSelectedBorder();
     } else if (isClickLeftLinkPoint && event.poniterState === 'draging') {
       if (stateManager.isCreatingDependencyLine()) {
         const link = stateManager.endCreateDependencyLine(e.offset.y);

packages/vtable-gantt/src/ts-types/EVENT_TYPE.ts

@@ -28,6 +28,11 @@ export interface EVENT_TYPES {
    * 创建任务依赖关系
    */
   CREATE_DEPENDENCY_LINK: 'create_dependency_link';
+
+  /**
+   * 点击依赖关系连接点
+   */
+  CLICK_DEPENDENCY_LINK_POINT: 'click_dependency_link_point';
 }
 /**
  * Table event types
@@ -39,5 +44,6 @@ export const GANTT_EVENT_TYPE: EVENT_TYPES = {
   MOUSEENTER_TASK_BAR: 'mouseenter_task_bar',
   MOUSELEAVE_TASK_BAR: 'mouseleave_task_bar',
   CREATE_TASK_SCHEDULE: 'create_task_schedule',
-  CREATE_DEPENDENCY_LINK: 'create_dependency_link'
+  CREATE_DEPENDENCY_LINK: 'create_dependency_link',
+  CLICK_DEPENDENCY_LINK_POINT: 'click_dependency_link_point'
 } as EVENT_TYPES;

packages/vtable-gantt/src/ts-types/events.ts

@@ -61,6 +61,14 @@ export interface TableEventHandlersEventArgumentMap {
     /** 依赖信息 */
     link: ITaskLink;
   };
+  click_dependency_link_point: {
+    event: Event;
+    /** 点击的是起始点还是结束点 */
+    point: 'start' | 'end';
+    /** 第几条数据 */
+    index: number;
+    record: any;
+  };
 }
 
 export interface TableEventHandlersReturnMap {