Пример #1
0
        private void BeforePropertyChangedEvent(CustomProperty sender, PropertyChangeEventArgs e)
        {
            if (sender is CustomProperty)
            {
                DBCustomProperty prop = (DBCustomProperty)sender;
                bool bRet = false;
                string sErrMsg = "未定义的错误";
                try
                {
                    if (m_lua != null)
                    {
                        DoScript(prop);//可能会有重名的字段,因不同表字段现在可以在同一TAB页中,需要加上parentfield.
                        LuaFunction fun = m_lua.GetFunction(GetRealFunctionName(prop.Key, "onbeforevaluechang"));//"__fname__" + prop.Key + ".onbeforevaluechang");
                        if (fun != null)
                        {
                            object[] retobjs = fun.Call(prop, e);
                            if (retobjs != null && retobjs.GetLength(0) > 0)
                            {
                                if (retobjs[0] is bool)
                                {
                                    bRet = (bool)retobjs[0];
                                    if (!bRet)
                                        sErrMsg = (string)retobjs[1];
                                }
                            }
                        }
                        else
                            bRet = true; //无函数表示没有脚本指定
                    }
                }
                catch (Exception ex)
                {
                    //ScriptDebugForm frm = Program.MainForm.DebugForm;
                    //frm.OutputBox.Text += ex.Message + "\r\n";
                    //frm.Show();
                    //frm.BringToFront();
                    Helper.AddLog(ex.Message);
                    sErrMsg = "LUA运行时错误:\r\n" + ex.Message;
                }
                if (!bRet)
                {
                    sErrMsg = sErrMsg.Replace("\\n", "\n");
                    sErrMsg = sErrMsg.Replace("\\t", "\t");
                    throw new Exception(sErrMsg);
                }
                else
                {
                    //尝试先锁定再提交修改
                    object[] findkeys = FindKeys == null ? (object[])prop.Tag : FindKeys;

                    // 加入限制:只能在<默认值>结点中修改挂接的子表的默认行的内容
                    bool bModifyingSubTableDefaults = true;
                    foreach (object _key in findkeys)
                    {
                        if (_key.ToString() != "0")
                        {
                            bModifyingSubTableDefaults = false;
                            break;
                        }
                    }
                    if (bModifyingSubTableDefaults)
                    {
                        if (!Program.MainForm.m_CurBaseForm.BaseTree.SelectedNode.Text.Contains("默认值"))
                            throw new Exception("不能在这里直接修改子表默认值,请先选择<默认值>结点,再进行修改。");
                        else
                        { 
                            if (!CanModifyDefaultVal())
                                throw new Exception("不允许修改默认值。");
                        }
                    }

                    if (!OnLockRecord(true, prop, findkeys))
                    {
                        throw new Exception(string.Format("这条记录已经被[{0}]在模块[{1}]中锁定,请等待解锁后,再进行修改操作。", 
                            m_reclock.GetServerLastLockUser(findkeys), m_reclock.GetServerLastLockModID(findkeys)));
                    }
                }
            }
        }
Пример #2
0
 private void BeforePropertyChanged(CustomProperty sender, PropertyChangeEventArgs e)
 {
     if (sender is CustomProperty)
     {
         CustomProperty prop = (CustomProperty)sender;
         bool bRet = false;
         string sErrMsg = "未定义的错误";
         try
         {
             if (m_lua != null)
             {
                 DoScript(prop.ID);//可能会有重名的字段,因不同表字段现在可以在同一TAB页中,需要加上parentfield.
                 LuaFunction fun = m_lua.GetFunction("__fname__" + prop.ID + ".onbeforevaluechang");
                 if (fun != null)
                 {
                     object[] retobjs = fun.Call(prop, e);
                     if (retobjs.GetLength(0) > 0)
                     {
                         if (retobjs[0] is bool)
                         {
                             bRet = (bool)retobjs[0];
                             if (!bRet)
                                 sErrMsg = (string)retobjs[1];
                         }
                     }
                 }
                 else
                     bRet = true; //无函数表示没有脚本指定
             }
         }
         catch (Exception ex)
         {
             ScriptDebugForm frm = ((MainForm)ParentForm).DebugForm;
             frm.OutputBox.Text += ex.Message + "\r\n";
             frm.Show();
             frm.BringToFront();
         }
         if (!bRet)
         {
             throw new Exception(sErrMsg);
         }
     }
 }