コード例 #1
0
        /// <summary>
        /// 中指定对象(所在的行)
        /// exclusive 用于指定是否是排它性选择,既取消现有选择
        /// </summary>
        /// <param name="obj"></param>
        /// <param name="exclusive"></param>
        public void Select(object obj, bool exclusive)
        {
            Debug.Assert(obj != null, "obj 为 null");

            if (_currentCodon == null)
            {
                return;
            }

            IBindingListEx bindingList = GetBindingList(_currentCodon);

            if (bindingList == null || bindingList.Count == 0)
            {
                return;
            }

            if (exclusive)
            {
                ClearSelectedRows();
            }

            if (obj == null)
            {
                return;
            }

            int index = bindingList.IndexOf(obj);

            if (index < 0)
            {
                return;
            }

            _dataGridView.Rows[index].Selected = true;
        }
コード例 #2
0
        public void Update(object obj)
        {
            Debug.Assert(obj != null, "obj为null");

            if (obj == null)
            {
                return;
            }

            if (_currentCodon == null)
            {
                return;
            }

            IBindingListEx bindingList = GetBindingList(_currentCodon);

            if (bindingList == null)
            {
                return;
            }

            //Debug.Assert(bindingList.Contains(obj), "_bindingList中没有指定对象");

            if (bindingList.Contains(obj) == false)
            {
                return;
            }

            if (_currentCodon.Compatible(obj))
            {
                bindingList.ResetItem(bindingList.IndexOf(obj));
            }
        }
コード例 #3
0
        /// <summary>
        /// 把目标对象移动到另一个对象之后
        /// </summary>
        /// <typeparam name="T"></typeparam>
        /// <param name="sourceFilter"></param>
        /// <param name="targetFilter"></param>
        public void MoveAfter <T>(Filter <T> sourceFilter, Filter <T> targetFilter) where T : class
        {
            object sourceObj, targetObj;

            GetMoveObject <T>(sourceFilter, targetFilter, out sourceObj, out targetObj);

            //Debug.Assert(sourceObj != null && targetObj != null, "指定的对象为null");

            if (sourceObj == null && targetObj == null)
            {
                return;
            }

            Debug.Assert(sourceObj != targetObj, "指定的两个对象是同一个对象");

            if (sourceObj == targetObj)
            {
                return;
            }

            if (_currentCodon == null)
            {
                return;
            }

            IBindingListEx bindingList = GetBindingList(_currentCodon);

            int sourceIndex = bindingList.IndexOf(sourceObj);
            int targetIndex = bindingList.IndexOf(targetObj);

            //如果targetObj刚好在beforeObj之后,就无需移动了
            if (sourceIndex - targetIndex == 1)
            {
                return;
            }

            bindingList.Remove(sourceObj);
            //要重新 IndexOf(beforeObj) ,因为targetObj被remove之后,beforeObj的下标就可能被改变了
            bindingList.Insert(bindingList.IndexOf(targetObj) + 1, sourceObj);
        }