/// <summary>
/// 更新排序
/// </summary>
/// <param name="items"></param>
private void UpdateSort(ItemCollection items)
{
foreach (var i in items)
{
var item = (TreeViewItem)i;
var model = (TopMenus)item.DataContext;
if (model.DisplayName == Config.RootDisplayName)
{
continue;
}
var requestModel = new TopMenusUpdateSortRequestModel
{
DisplayName = model.DisplayName,
Sort = model.Sort,
Timestamp = _topMenusManage.ServerTime.ToUnixTimestamp()
};
var result = _topMenusManage.UpdateSort(model.Id, model.Timestamp, requestModel);
if (result.ResultStatus == ResultStatus.Success)
{
model.Timestamp = result.Data.Timestamp;
}
else
{
_metroWindow.ShowMessageAsync("更新节点排序失败", result.Message);
}
if (item.HasItems)
{
UpdateSort(item.Items);
}
}
}
public CommandResult <TopMenus> UpdateSort(int topMenuId, long timestamp, TopMenusUpdateSortRequestModel requestModel)
{
var result = new CommandResult <TopMenus>();
if (!Exist(a => a.Id == topMenuId))
{
result.Message = $"节点名称“{requestModel.DisplayName}”在系统中已不存在";
}
else if (!Exist(a => a.Id == topMenuId && a.Timestamp == timestamp))
{
result.Message = $"节点名称为“{requestModel.DisplayName}”的节点排序已在别处被修改";
}
else
{
using (var db = new FrameContext())
{
var entity = BaseService.Find(db, a => a.Id == topMenuId);
entity.Sort = requestModel.Sort;
entity.Timestamp = requestModel.Timestamp;
if (!BaseService.Update(db, entity))
{
result.Message = "系统出现未知原因，节点排序更新失败！";
}
else
{
result.ResultStatus = ResultStatus.Success;
result.Message = "节点排序更新成功";
result.Data = entity;
}
}
}
return(result);
}
private void AddTreeViewItem(TreeView treeView, ItemCollection items, TreeViewItem selectedItem, TopMenus topMenus)
{
if (topMenus.ParentId == 0)
{
treeView.Items.Add(GenerateTreeViewItem(selectedItem));
selectedItem.IsSelected = true;
return;
}
foreach (var i in items)
{
var item = (TreeViewItem)i;
if (((TopMenus)item.DataContext).Id == topMenus.ParentId)
{
item.Items.Add(GenerateTreeViewItem(selectedItem));
selectedItem.IsSelected = true;
item.IsExpanded = true;
var requestModel = new TopMenusUpdateSortRequestModel
{
DisplayName = topMenus.DisplayName,
Sort = int.MaxValue,
Timestamp = _topMenusManage.ServerTime.ToUnixTimestamp()
};
var result = _topMenusManage.UpdateSort(topMenus.Id, Timestamp, requestModel);
if (result.ResultStatus == ResultStatus.Success)
{
topMenus.DisplayName = result.Data.DisplayName;
topMenus.Sort = result.Data.Sort;
topMenus.Timestamp = result.Data.Timestamp;
}
else
{
_metroWindow.ShowMessageAsync("更新节点排序失败", result.Message);
}
break;
}
if (item.HasItems)
{
AddTreeViewItem(treeView, item.Items, selectedItem, topMenus);
}
}
}