Esempio n. 1
0
        /// <summary>
        /// 移动表格分录,保证模型与视图索引匹配
        /// </summary>
        /// <param name="view"></param>
        /// <param name="entityKey"></param>
        /// <param name="selRows"></param>
        /// <param name="iTargetPos"></param>
        /// <param name="isRelativePos"></param>
        /// <param name="callback"></param>
        public static void MoveEntryRow(this IDynamicFormView view, string entityKey, int[] selRows, int iTargetPos, bool isRelativePos = true, Action <int[], int, bool> callback = null)
        {
            if (selRows == null || selRows.Any() == false)
            {
                return;
            }

            var entryEntity = view.BillBusinessInfo.GetEntity(entityKey);
            DynamicObjectCollection dataEntities = view.Model.GetEntityDataObject(entryEntity);

            DynamicObject targetRowObj = null;

            if (!isRelativePos)
            {
                if (iTargetPos < 0 || iTargetPos >= dataEntities.Count)
                {
                    return;
                }

                targetRowObj = view.Model.GetEntityDataObject(entryEntity, iTargetPos);
                if (targetRowObj == null)
                {
                    return;
                }
            }

            var selRowObjItems = selRows.Select(o => view.Model.GetEntityDataObject(entryEntity, o))
                                 .ToList();

            List <int> lstNewSelRows = new List <int>();

            for (int i = selRowObjItems.Count - 1; i >= 0; i--)
            {
                if (selRowObjItems[i] == null)
                {
                    continue;
                }

                var selRowObj       = selRowObjItems[i];
                int iSrcRowIndex    = view.Model.GetRowIndex(entryEntity, selRowObj);
                int iTargetRowIndex = iSrcRowIndex + iTargetPos;
                if (!isRelativePos)
                {
                    iTargetRowIndex = view.Model.GetRowIndex(entryEntity, targetRowObj);
                }

                if (iTargetRowIndex > dataEntities.Count - 1 || iTargetRowIndex < 0)
                {
                    continue;
                }

                dataEntities.Remove(selRowObj);
                dataEntities.Insert(iTargetRowIndex, selRowObj);
                lstNewSelRows.Add(iTargetRowIndex);
            }

            int iSeq = 1;

            foreach (var dataEntity in dataEntities)
            {
                if (entryEntity.SeqDynamicProperty != null)
                {
                    entryEntity.SeqDynamicProperty.SetValue(dataEntity, iSeq++);
                }
            }

            if (callback != null)
            {
                callback(selRows, iTargetPos, isRelativePos);
            }

            view.UpdateView(entityKey);

            if (lstNewSelRows.IsEmpty())
            {
                lstNewSelRows.AddRange(selRows);
            }
            if (lstNewSelRows.Any())
            {
                EntryGrid grid = view.GetControl <EntryGrid>(entityKey);
                grid.SelectRows(lstNewSelRows.ToArray());
                grid.SetFocusRowIndex(lstNewSelRows.Last());
            }
        }