public TreeValueEventArgs(CustomClass Parent, CustomProperty Child)//, object id, object value)
{
m_parentclass = Parent;
m_childclass = Child;
//m_id = id;
//m_class = Parent;
}
public NewRowHelper(CustomProperty prop)
{
if (prop.Value is DBCustomClass)
{
Init(prop, prop.Value as DBCustomClass);
}
}
public ComboConverter(CustomProperty aproperty)
{
m_property = aproperty;
}
public CustomPropertyDescriptor(ref CustomProperty myProperty, Attribute[] attrs)
: base(myProperty.Name, attrs)
{
m_Property = myProperty;
}
public bool OnAfterDataValidate(CustomProperty prop, object ID, object Value)
{
if (AfterDataValidate != null)
{
AfterDataValidate(prop, new PropertyAfterChangeEventArgs(ID, Value));
}
return true;
}
public object OnCustomEditValue(CustomProperty prop, object Value)
{
if (OnEditValue != null)
{
return OnEditValue(prop, new CustomEditorEventArgs(prop.ID, Value));
}
return Value;
}
public void RefreshAllTabSameFieldValue(CustomProperty prop)
{
DBCustomClass cls;
object value;
if (prop.Value is DBCustomClass)
{
cls = prop.Value as DBCustomClass;
value = cls.Value;
}
else
{
cls = (DBCustomClass)prop.Parent;
value = prop.Value;
}
if (prop.ValueType == enumValueType.vtCombo)
{
value = prop.ComboValues[prop.Value];
}
PageDesc page = (PageDesc)m_Pages[this.tabControl1.SelectedTabIndex - 1];
//page.dbClass.ReloadDataOnSave = true;
string strFindKeys = Helper.StringArrayToString(cls.FindKeys);
int nSameFieldCount = 0;
foreach (PageDesc pd in m_Pages)
{
//add by cuiwei 07.9.20
//不直接修改，改送通知表
if (pd.pg == null)
{
continue;
}
else
{
if (page == pd)
continue;
queryCommand qc = pd.qc;
qc.syncList.Add(new syncItem(cls.MainTable, prop.ID, value, strFindKeys));
if (qc.cls == null) qc.cls = cls;
}
//add end
}
ReloadProperties();
if (nSameFieldCount > 0)
{
cls.ReloadDataOnSave = true;
}
}
public ComboConverter(CustomProperty aproperty)
{
m_property = aproperty;
}
private void AfterPropertyChangedEvent(CustomProperty sender, PropertyAfterChangeEventArgs e)
{
if (sender is CustomProperty)
{
CustomProperty prop = (CustomProperty)sender;
string svalue = e.value.ToString();
try
{
if (m_lua != null)
{
DoScript(prop);
LuaFunction fun = m_lua.GetFunction(GetRealFunctionName(prop.Key, "onaftervaluechanged"));//"__fname__" + prop.Key + ".onaftervaluechanged");
if (fun != null)
fun.Call(prop, e);
}
}
catch (Exception ex)
{
//ScriptDebugForm frm = Program.MainForm.DebugForm;
//frm.OutputBox.Text += ex.Message + "\r\n";
//frm.Show();
//frm.BringToFront();
Helper.AddLog(ex.Message);
}
//GridItem item = propertyGrid1.SelectedGridItem;
//CustomPropertyDescriptor desc = (CustomPropertyDescriptor)item.PropertyDescriptor;
//CustomProperty specprop = desc.Property;
}
}
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)));
}
}
}
}
public void NewRecord(CustomProperty prop)
{
if (prop.Value is DBCustomClass)
{
string svalue = ((DBCustomClass)prop.Value).Value.ToString();
NewRowHelper helper = new NewRowHelper(prop);
if (MessageBox.Show(string.Format("您确定要在[{0}]表中新建记录吗？", helper.NewRowTableName), "确认",
MessageBoxButtons.YesNo, MessageBoxIcon.Question, MessageBoxDefaultButton.Button2) == DialogResult.Yes)
{
helper.GernateDefaultValue();
LuaFunction fun1 = m_lua.GetFunction(GetRealFunctionName(prop.Key, "onnewrecord"));//"__fname__" + prop.Key + ".oneditvalue");
DBCustomClass cls = prop.Value as DBCustomClass;
if (fun1 != null)
{
//object[] retobjs = fun1.Call(prop, svalue, helper.KeyValues, helper.SubProperty.ID); //需要传入从表主键Hash, key=字段名, value=空，让函数将hashtable填充好
object[] retobjs = fun1.Call(prop, svalue, helper.NewRowFieldValues, helper.SubProperty.ID); //需要传入从表主键Hash, key=字段名, value=空，让函数将hashtable填充好
//如果返回真，就可以新建从表记录了
if (retobjs != null && retobjs.GetLength(0) > 0)
{
if (retobjs[0] is bool)
{
if ((bool)retobjs[0] == true)
{
helper.NewRow(); //生成新记录并提交
//prop.SetValue(helper.GetNewValue(prop)); //此函数强行刷新下属结点
//OnAsynNotifyEvent(2, prop);
helper.SetNewValue(prop);
}
}
}
//return e.value;
}
else //直接新建记录
{
helper.NewRow(); //生成新记录并提交
//prop.SetValue(helper.GetNewValue(prop)); //此函数强行刷新下属结点
//if (prop.Value is DBCustomClass && (prop.Value as DBCustomClass).ParentFieldType == 1) //为虚拟字段上新建从表记录时，需要 getDynamicclass
//OnAsynNotifyEvent(2, prop);
helper.SetNewValue(prop);
}
LuaFunction fun2 = m_lua.GetFunction(GetRealFunctionName(prop.Key, "afternewrecord"));
if (fun2 != null)
{
object[] retobjs = fun2.Call();
}
else
{
LuaFunction fun3 = m_lua.GetFunction(GetRealFunctionName(prop.Key, "onafternewrecord"));
if (fun3 != null)
{
object[] retobjs = fun3.Call();
}
}
}
}
}
private object OnCustomEditorEditValueEvent(CustomProperty sender, CustomEditorEventArgs e)
{
CustomProperty prop = sender;
string svalue;
if (e.value is DBCustomClass)
svalue = ((DBCustomClass)e.value).Value.ToString();
else
svalue = e.value.ToString();
try
{
if (m_lua != null)
{
DoScript(prop);
//如果是树结点，需要额外的增加事件，以支持新建从表记录
if (prop.Value is DBCustomClass)
{
LuaFunction fun = m_lua.GetFunction(GetRealFunctionName(prop.Key, "neednewrecord"));//"__fname__" + prop.Key + ".oneditvalue");
if (fun != null)
{
object[] retobjs = fun.Call(prop, e);
if (retobjs != null && retobjs.GetLength(0) > 0)
{
if (retobjs[0] is bool && (bool)retobjs[0])
{
NewRecord(prop);
}
}
}
}
//else
{
LuaFunction fun = m_lua.GetFunction(GetRealFunctionName(prop.Key, "oneditvalue"));//"__fname__" + prop.Key + ".oneditvalue");
if (fun != null)
{
object[] retobjs = fun.Call(prop, e);
if (retobjs != null && retobjs.GetLength(0) > 0)
{
if (retobjs[0] is bool)
{
if ((bool)retobjs[0] == true)
{
if (retobjs.GetLength(0) == 2)
{
//prop.DisplayValue = null;
return retobjs[1];
}
else if (retobjs.GetLength(0) > 2)
{
//prop.DisplayValue = retobjs[2];
//prop.IsClearDisplayValue = false;
return retobjs[1];
}
}
}
}
return e.value;
}
}
}
}
catch (Exception ex)
{
//ScriptDebugForm frm = Program.MainForm.DebugForm;
//frm.OutputBox.Text += ex.Message + "\r\n";
//frm.Show();
//frm.BringToFront();
Helper.AddLog(ex.Message);
}
return e.value;//取消修改值，或者未更改值
}
public void SetScriptCode(CustomProperty prop, string strCode)
{
string strfnID;
if (prop == null)
strfnID = "#";
else
strfnID = prop.ID;
DBCustomClass cls = null;
if (strfnID == "#")
{
cls = this;
}
else if (prop.Parent is DBCustomClass)
{
cls = GetTopParent(prop);
//if (prop.Parent != this)
// cls = ((DBCustomClass)(prop.Parent));
//else
// cls = this;
}
cls.ScriptCode[strfnID] = strCode;
cls.ScriptExecState[strfnID] = false;
}
public void SaveScript(CustomProperty prop)
{
//如果是从表里面的属性,需要找到正确地从表名
if (prop != null && prop.Parent is DBCustomClass && prop.Parent != this)
{
//((DBCustomClass)(prop.Parent)).SaveScript(prop);
DBCustomClass cls = GetTopParent(prop);
if (this != cls)
{
cls.SaveScript(prop);
return;
}
}
string strFieldid = prop == null ? "0" : prop.Key;
string strFieldName = prop == null ? "#" : prop.ID;
string strMainTable = prop == null ? "" : (prop.Parent as DBCustomClass).MainTable;
DBProcess.SaveScriptByID(strMainTable, strFieldid, m_nModlTabId.ToString(), m_luacodes[strFieldName].ToString());
CustomClassCache.DelAllCaches();
#if false
string ssql = string.Format("SELECT * FROM sys_scriptstore WHERE fieldid={0} AND modtabid = {1} AND tablename='{2}' AND fieldname='{3}'", strFieldid, m_nModlTabId, m_strMainTableName, strFieldName);
SqlDataAdapter adp = new SqlDataAdapter(ssql, m_conn);
System.Data.DataSet DS = new System.Data.DataSet();
adp.Fill(DS);
//先判断数据库中是否存在记录
//存在，则更新
DataTable tbl = DS.Tables[0];
if (tbl.Rows.Count > 0)
{
DataRow row = tbl.Rows[0];
row["fieldid"] = strFieldid;
row["modtabid"] = m_nModlTabId;
row["tablename"] = m_strMainTableName;
row["fieldname"] = strFieldName;
row["scriptlanguage"] = "LUA";
row["scriptcode"] = Helper.GetByteArrayFromString(m_luacodes[strFieldName].ToString());
//使用SqlCommandBuilder 对像填充SqlDataAdapter 的InsertCommand、DeleteCommand、UpdateCommand对像
SqlCommandBuilder cmdBuilder = new SqlCommandBuilder(adp);
adp.UpdateCommand = cmdBuilder.GetUpdateCommand();
int val = adp.Update(tbl);
tbl.AcceptChanges();
}
//不存在，则新建记录
else
{
DataRow row = tbl.NewRow();
row["fieldid"] = strFieldid;
row["modtabid"] = m_nModlTabId;
row["tablename"] = m_strMainTableName;
row["fieldname"] = strFieldName;
row["scriptlanguage"] = "LUA";
row["scriptcode"] = Helper.GetByteArrayFromString(m_luacodes[strFieldName].ToString());
tbl.Rows.Add(row);
SqlCommandBuilder cmdBuilder = new SqlCommandBuilder(adp);
adp.InsertCommand = cmdBuilder.GetInsertCommand();
int val = adp.Update(tbl);
tbl.AcceptChanges();
}
#endif
}
public bool DeleteRecord(CustomProperty prop)
{
string[] findKeys;
if (prop.Tag == null)
{
DBCustomClass cls = prop.Parent as DBCustomClass;
findKeys = (string[])cls.FindKeys;
}
else
findKeys = (string[])prop.Tag;
if (findKeys != null)
{
//SqlCommandBuilder cmdBuilder = new SqlCommandBuilder(m_adp);
//m_adp.DeleteCommand = cmdBuilder.GetDeleteCommand();
DataRow delRow = m_tbl_MainData.Rows.Find(PreProcessKeys(findKeys));
if (delRow == null)
{
MessageBox.Show(string.Format("在[{0}]中删除记录失败。", MainTable), "错误",
MessageBoxButtons.OK, MessageBoxIcon.Error);
return false;
}
delRow.Delete();
//int nRet = m_adp.Update(new DataRow[] { delRow });
Helper.SaveTable(m_tbl_MainData, StrSql, MainForm.conn);
m_tbl_MainData.AcceptChanges();
DBCustomClass cls = this;
while (cls.ParentFieldType != 2 && cls.Parent != null)
{
if (cls.Parent is DBCustomClass)
{
cls = (DBCustomClass)(cls.Parent);
}
}
CustomClassCache.DelAllDataTableCache(); //清除缓冲
if (cls.Property == null) //虚拟字段在顶层
{
cls.GetDynamicClass(cls.FindKeys);
cls.OnAsynNotifyEvent(1, null);//todo:多个页存在同一表同一字段时，会导致重复刷新多次
}
else
cls.Property.SetValue(cls.Value);
{
DBCustomClass parentcls = prop.Parent as DBCustomClass;
if (parentcls != null)
parentcls = parentcls.Parent as DBCustomClass;
if (parentcls.Property != null)
{
LuaFunction fun2 = m_lua.GetFunction(GetRealFunctionName(parentcls.Property.Key, "onafterdelrecord"));
if (fun2 != null)
{
object[] retobjs = fun2.Call();
}
}
}
return true;
}
return false;
}
public void Add(CustomProperty Value)
{
base.List.Add(Value);
}
public CustomPropertyDescriptor(ref CustomProperty myProperty, Attribute[] attrs)
: base(myProperty.Name, attrs)
{
m_Property = myProperty;
}
public void DoScript(CustomProperty prop)
{
if (prop == null)
{
this.DoScript("##", "##");
this.DoScript("#", "#");
}
else if (prop.Parent is DBCustomClass)
{
//((DBCustomClass)(prop.Parent)).DoScript(prop.Key, prop.ID);
DBCustomClass cls = GetTopParent(prop);
cls.DoScript(prop.Key, prop.ID);
}
}
// 生成被修改的默认值的list，作为baseform的更新依据。
public void GenerateModifiedDefaultList(CustomProperty prop, ref ArrayList lsTblNeedUpdateDefault)
{
// 判断 m_findkeys, 是否在修改默认值
// 所有的tablename, 老值, 新值,
bool bThisPropInDefaultRow = true;
if (m_findkeys != null)
{
foreach (object key in m_findkeys)
{
if (key.ToString().Trim() != "0")
{
bThisPropInDefaultRow = false;
break;
}
}
}
else
{
if (prop.Tag is object[])
{
foreach (object obj in (object[])(prop.Tag))
{
if (obj.ToString().Trim() != "0")
{
bThisPropInDefaultRow = false;
break;
}
}
}
}
if (bThisPropInDefaultRow)
{
bool bAlreadyAdd = false;
foreach (TblUpdateDefault tud in lsTblNeedUpdateDefault)
{
if (tud.tblName == m_strMainTableName)
{
bAlreadyAdd = true;
break;
}
}
if (!bAlreadyAdd)
{
TblUpdateDefault tud = new TblUpdateDefault();
tud.tblName = m_strMainTableName;
//DataTable tbl = Helper.GetDataTable("SELECT * FROM " + m_strMainTableName, Conn);
DataTable tbl = Helper.GetDataTableProxy(m_strMainTableName, Conn);
DataRow row = tbl.Rows.Find(PreProcessKeys(m_findkeys));
tud.oldValue = row;
DataRow newrow = m_tbl_MainData.Rows.Find(PreProcessKeys(m_findkeys));
tud.newValue = newrow;
lsTblNeedUpdateDefault.Add(tud);
}
}
}
//查看某属性中是否有函数,没有就到全局中找,找到就执行
public object[] CallLuaFunction(CustomProperty prop, string strfuncName, object[] args)
{
if (m_lua != null)
{
m_lua.DoString(prop == null ? GetPrefixCode("#") : GetPrefixCode(prop.Key));
LuaFunction fun = m_lua.GetFunction(GetRealFunctionName(prop.Key, strfuncName));//"__fname__" + prop.Key + "." + strfuncName);
if (fun != null)
{
object[] retobjs = fun.Call(args);
return retobjs;
}
}
return null;
}
public object OnCustomGetTreeValue(CustomProperty prop)//, object Value)
{
if (OnGetTreeValue != null)
{
return OnGetTreeValue(this, new TreeValueEventArgs(this, prop));
}
return Value;
}
//修改从表中的findkeys
public void ReplaceSubFindKey(CustomProperty prop, object value)
{
//不能直接使用value,因可能是修改的非主键字段,要获取这个真正的主键
//Value = value;
//GetDynamicClass(value);
//需要根据value值获得真正的key值
//其实KEY没有变,只是与其他表关联的字段内容在内存中改变了(如represent1)
object oldvalue = Value;
prop.Tag = m_findkeyvalues;
try
{
//先解锁之前关联的可能修改过的从表记录
OnLockRecord(false, null, null);
Value = value;
m_ReplaceSubKeyProperty = prop; //记住当前修改的字段ID，以便临时改动子结点中的内容
GetDynamicClass(m_findkeyvalues);
}
finally
{
m_ReplaceSubKeyProperty = null;
}
}
public bool OnDataValidate(CustomProperty prop, object ID, object Value)
{
if (DataValidate != null)
{
if (prop.ValueType == enumValueType.vtCombo)
DataValidate(prop, new PropertyChangeEventArgs(prop.ComboValues[prop.Value], prop.Value, ID, Value));
else
DataValidate(prop, new PropertyChangeEventArgs(prop.Value, prop.Value, ID, Value));
}
return true;
}
public void ModifyFindKeys(CustomProperty prop, object value)
{
//如果非顶层的DBCLASS的主表关键值被修改，则需要修改findkeys
//如果同时还是顶层的DBCLASS(parentfield=-1),则还需要在保存的同时通知模块树，FINDKEYS发生了变化
if (ModifyFindKeys(prop.ID, value))
{
DBCustomClass cls = this;
while (cls.ParentFieldType != 2 && cls.Parent != null)
{
if (cls.Parent is DBCustomClass)
{
cls = (DBCustomClass)(cls.Parent);
}
}
if (Parent == null || this.MainTable == cls.MainTable) //顶层或者是修改了模块主表中的主键值
{
OnAsynNotifyEvent(3, prop);//通知FORM，保存时要刷新模块树
}
}
}
public void Add(CustomProperty Value)
{
base.List.Add(Value);
}
//完成新建记录后，需要修改 DBClass 当前主表记录中所有与从表的关联字段，不然不能正确地显示从表的内容
public void SetNewValue(CustomProperty prop)
{
DBCustomClass cls = prop.Parent as DBCustomClass;
//if (cls != null)
//{
// cls.MarkValueChanged();
//}
foreach (string key in m_newvalue.Keys) //获取所有的主表字段名
{
CustomProperty dbprop = null;
if (key.ToLower() == prop.ID.ToLower())
{
dbprop = prop;
}
else
{
dbprop = cls[key];
}
if (dbprop != null)
{
dbprop.SetValue(GetNewValue(key));
cls.OnAsynNotifyEvent(2, dbprop);
}
}
//当前字段不是关联字段，可能是顶层虚拟字段或者其他虚拟字段，需要重新载入当前
if (m_dbclass != null && m_dbclass.PrimaryKey.Length > 1)
{
object[] keyvalues = new object[m_dbclass.PrimaryKey.Length];
Hashtable htkeyvalue = Helper.TransHashTableCase(m_keyvalue, true);
for (int i = 0; i < m_dbclass.PrimaryKey.Length; i++)
{
keyvalues[i] = htkeyvalue[m_dbclass.PrimaryKey[i]];
}
m_dbclass.ReloadDBData(keyvalues);
}
else if (m_dbclass != null && m_dbclass.PrimaryKey.Length == 1)
{
DBCustomClass dbParent = prop.Parent as DBCustomClass;
if (dbParent != null)
{
if (m_dbclass.PrimaryKey.Length == dbParent.FindKeys.Length)
{
m_dbclass.ReloadDBData(dbParent.FindKeys);
}
else
{
object[] keyvalues = new object[m_dbclass.PrimaryKey.Length];
Hashtable htkeyvalue = Helper.TransHashTableCase(m_keyvalue, true);
for (int i = 0; i < m_dbclass.PrimaryKey.Length; i++)
{
keyvalues[i] = htkeyvalue[m_dbclass.PrimaryKey[i]];
}
m_dbclass.ReloadDBData(keyvalues);
}
}
}
cls.OnAsynNotifyEvent(1, null);
}
public CombxHelper(CustomProperty prop)
{
m_prop = prop;
}
private void Init(CustomProperty prop, DBCustomClass cls)
{
m_keyvaluehelper = new NewRowKeyValueHelper(m_keyvalue);
m_newrowkeyvaluehelper = new NewRowKeyValueHelper(m_htnewrow); //用于在 onnewrecord事件中让用户可以有机会更改新记录的内容
DBCustomClass dbclass = cls;
if (dbclass.ParentFieldType == 2) //如果是真实字段，要找到虚拟字段
{
NewRecordForm frm = new NewRecordForm();
ArrayList arr = new ArrayList();
foreach (CustomProperty subprop in dbclass)
{
if (subprop.ValueType == enumValueType.vtExpandNode && subprop.Value is DBCustomClass)
{
DBCustomClass subdbclass = subprop.Value as DBCustomClass;
if (subdbclass.ParentFieldType != 2)
{
//m_key = subprop.Key;
//m_dbclass = subprop.Value as DBCustomClass;
int nAddIdx = frm.listBox1.Items.Add(subprop.Name);
arr.Add(subprop);
//break;
}
}
}
if (frm.listBox1.Items.Count > 1)
{
frm.listBox1.SelectedIndex = 0;
}
if (frm.listBox1.Items.Count == 1 || (frm.listBox1.Items.Count > 1 && frm.listBox1.SelectedIndex >= 0 && frm.ShowDialog() == System.Windows.Forms.DialogResult.OK))
{
CustomProperty subprop = (frm.listBox1.Items.Count == 1 ? arr[0] : arr[frm.listBox1.SelectedIndex]) as CustomProperty;
m_key = subprop.Key;
m_dbclass = subprop.Value as DBCustomClass;
m_opprop = subprop;
}
else
{
throw new Exception("新建动作被取消。");
}
}
else
{
m_opprop = prop;
//m_key = null;//暂时置空
m_key = prop.Key;
m_dbclass = cls;
}
if (m_dbclass == null || m_key == null)
{
throw new Exception("不能在此字段中新建子表记录。");
}
m_findkeyvalues = new object[m_dbclass.DBPrimaryKey.Length];
for (int i = 0; i < m_findkeyvalues.Length; i++)
{
m_findkeyvalues[i] = null;
}
foreach (string strKeyField in m_dbclass.DBPrimaryKey)
{
m_keyvalue[strKeyField] = null;
}
}
public BoolConverter(CustomProperty aproperty)
{
m_property = aproperty;
}
//完成刷新后，主表字段值的新内容可能会变化，需要下面给出
//主表字段的外键是从表的关联关系中的一个字段，则返回新值
private object GetNewValue(CustomProperty prop)
{
if (m_newvalue.Contains(prop.ID.ToLower()))
{
Hashtable htkeyvalue = Helper.TransHashTableCase(m_keyvalue, true);
return htkeyvalue[m_newvalue[prop.ID.ToLower()]];
}
return (prop.Value as DBCustomClass).Value;
}
public TreeConverter(CustomProperty aproperty)
{
m_property = aproperty;
}
//完成新建记录后，需要修改 DBClass 当前主表记录中所有与从表的关联字段，不然不能正确地显示从表的内容
public void SetNewValue(CustomProperty prop)
{
DBCustomClass cls = prop.Parent as DBCustomClass;
//if (cls != null)
//{
// cls.MarkValueChanged();
//}
foreach (string key in m_newvalue.Keys) //获取所有的主表字段名
{
CustomProperty dbprop = null;
if (key.ToLower() == prop.ID.ToLower())
dbprop = prop;
else
dbprop = cls[key];
if (dbprop != null)
{
dbprop.SetValue(GetNewValue(key));
cls.OnAsynNotifyEvent(2, dbprop);
}
}
//当前字段不是关联字段，可能是顶层虚拟字段或者其他虚拟字段，需要重新载入当前
if (m_dbclass != null && m_dbclass.PrimaryKey.Length > 1)
{
object[] keyvalues = new object[m_dbclass.PrimaryKey.Length];
Hashtable htkeyvalue = Helper.TransHashTableCase(m_keyvalue, true);
for (int i = 0; i < m_dbclass.PrimaryKey.Length; i++)
{
keyvalues[i] = htkeyvalue[m_dbclass.PrimaryKey[i]];
}
m_dbclass.ReloadDBData(keyvalues);
}
else if (m_dbclass != null && m_dbclass.PrimaryKey.Length == 1)
{
DBCustomClass dbParent = prop.Parent as DBCustomClass;
if (dbParent != null)
{
if (m_dbclass.PrimaryKey.Length == dbParent.FindKeys.Length)
{
m_dbclass.ReloadDBData(dbParent.FindKeys);
}
else
{
object[] keyvalues = new object[m_dbclass.PrimaryKey.Length];
Hashtable htkeyvalue = Helper.TransHashTableCase(m_keyvalue, true);
for (int i = 0; i < m_dbclass.PrimaryKey.Length; i++)
{
keyvalues[i] = htkeyvalue[m_dbclass.PrimaryKey[i]];
}
m_dbclass.ReloadDBData(keyvalues);
}
}
}
cls.OnAsynNotifyEvent(1, null);
}
public CombxHelper(CustomProperty prop)
{
m_prop = prop;
}
private void Init(CustomProperty prop, DBCustomClass cls)
{
m_keyvaluehelper = new NewRowKeyValueHelper(m_keyvalue);
m_newrowkeyvaluehelper = new NewRowKeyValueHelper(m_htnewrow); //用于在 onnewrecord事件中让用户可以有机会更改新记录的内容
DBCustomClass dbclass = cls;
if (dbclass.ParentFieldType == 2) //如果是真实字段，要找到虚拟字段
{
NewRecordForm frm = new NewRecordForm();
ArrayList arr = new ArrayList();
foreach (CustomProperty subprop in dbclass)
{
if (subprop.ValueType == enumValueType.vtExpandNode && subprop.Value is DBCustomClass)
{
DBCustomClass subdbclass = subprop.Value as DBCustomClass;
if (subdbclass.ParentFieldType != 2)
{
//m_key = subprop.Key;
//m_dbclass = subprop.Value as DBCustomClass;
int nAddIdx = frm.listBox1.Items.Add(subprop.Name);
arr.Add(subprop);
//break;
}
}
}
if (frm.listBox1.Items.Count > 1)
frm.listBox1.SelectedIndex = 0;
if (frm.listBox1.Items.Count == 1 || (frm.listBox1.Items.Count > 1 && frm.listBox1.SelectedIndex >= 0 && frm.ShowDialog() == System.Windows.Forms.DialogResult.OK))
{
CustomProperty subprop = (frm.listBox1.Items.Count == 1 ? arr[0] : arr[frm.listBox1.SelectedIndex]) as CustomProperty;
m_key = subprop.Key;
m_dbclass = subprop.Value as DBCustomClass;
m_opprop = subprop;
}
else
throw new Exception("新建动作被取消。");
}
else
{
m_opprop = prop;
//m_key = null;//暂时置空
m_key = prop.Key;
m_dbclass = cls;
}
if (m_dbclass == null || m_key == null)
throw new Exception("不能在此字段中新建子表记录。");
m_findkeyvalues = new object[m_dbclass.DBPrimaryKey.Length];
for (int i = 0; i < m_findkeyvalues.Length; i++)
{
m_findkeyvalues[i] = null;
}
foreach (string strKeyField in m_dbclass.DBPrimaryKey)
{
m_keyvalue[strKeyField] = null;
}
}
public BoolConverter(CustomProperty aproperty)
{
m_property = aproperty;
}
//当前选中的记录主键值被修改，需要同步修改树中的内容
private void RefreshTreeFindKey(CustomProperty prop)
{
//m_bDisableQuestion = true;
try
{
//如果改了主键值，则需要特殊处理
if (prop.Parent != null && prop.Parent is DBCustomClass)
{
DBCustomClass parentClass = (DBCustomClass)prop.Parent;
TreeNode selected = baseTree.SelectedNode;
int level = selected == null ? 0 : selected.Level;
object[] keys = parentClass.FindKeys;
LoadTree();
baseTree.SelectedNode = FindTreeNode(keys, level);
}
}
finally
{
//m_bDisableQuestion = false;
}
}
public TreeConverter(CustomProperty aproperty)
{
m_property = aproperty;
}
/// <summary>
/// 标记值改变 add by suntao
/// </summary>
/// <param name="prop">CustomProperty</param>
private void MarkValueChanged(CustomProperty prop)
{
DBCustomClass dbCustomClass = prop.Parent as DBCustomClass;
if (dbCustomClass != null)
{
dbCustomClass.MarkValueChanged();
}
}
