internal static string GetLayer(TableResolver resolver, DbTreeDefinition tree, string parentId)
{
TkDbContext context = resolver.Context;
IFieldInfo layerField = resolver.GetFieldInfo(tree.LayerField);
IParamBuilder fixBuilder = resolver.CreateFixCondition();
string execRootId = tree.ExecuteRootId;
if (execRootId == parentId)
{
string subStringSql = context.ContextConfig.GetFunction("SubString",
layerField.FieldName, 1, 3);
string sql = string.Format(ObjectUtil.SysCulture,
"SELECT MAX({0}) FROM {1}", subStringSql, resolver.TableName);
string value = (fixBuilder == null ? DbUtil.ExecuteScalar(sql, context)
: DbUtil.ExecuteScalar(sql, context, fixBuilder)).ToString();
if (string.IsNullOrEmpty(value))
{
return("000");
}
else
{
return(AddLayer(value));
}
}
else
{
try
{
string sql = string.Format(ObjectUtil.SysCulture, "SELECT {0} FROM {1}",
layerField.FieldName, resolver.TableName);
IParamBuilder builder = ParamBuilder.CreateParamBuilder(fixBuilder,
SqlParamBuilder.CreateEqualSql(context, resolver.GetFieldInfo(tree.IdField), parentId));
string topLayer = DbUtil.ExecuteScalar(sql, context, builder).ToString();
string subStringSql = context.ContextConfig.GetFunction("SubString",
layerField.FieldName, topLayer.Length + 1, 3);
builder = CreateLayerParamBuilder(context, layerField, topLayer);
builder = SqlParamBuilder.CreateParamBuilder(fixBuilder, builder);
sql = string.Format(ObjectUtil.SysCulture, "SELECT MAX({0}) FROM {1}",
subStringSql, resolver.TableName);
string value = DbUtil.ExecuteScalar(sql, context, builder).ToString().Trim();
if (string.IsNullOrEmpty(value))
{
DataRow parentRow = resolver.SelectRowWithParam(tree.IdField, parentId);
parentRow[tree.LeafField] = 0;
resolver.SetCommands(AdapterCommand.Update);
return(topLayer + "000");
}
else
{
return(topLayer + AddLayer(value.Substring(value.Length - 3)));
}
}
catch
{
return(string.Empty);
}
}
}
internal static void SortTree(TableResolver resolver, DbTreeDefinition tree,
string id, TreeNodeMoveDirection direct)
{
TkDebug.AssertArgumentNull(resolver, "resolver", null);
TkDebug.AssertArgumentNull(tree, "tree", null);
TkDebug.AssertArgumentNullOrEmpty(id, "id", null);
IParamBuilder fixBuilder = resolver.CreateFixCondition();
IParamBuilder builder = ParamBuilder.CreateParamBuilder(fixBuilder,
SqlParamBuilder.CreateEqualSql(resolver.Context, resolver.GetFieldInfo(tree.IdField), id));
IFieldInfo layerField = resolver.GetFieldInfo(tree.LayerField);
string sql = string.Format(ObjectUtil.SysCulture, "SELECT {0} FROM {1}",
layerField.FieldName, resolver.TableName);
string layer = DbUtil.ExecuteScalar(sql, resolver.Context, builder).ToString();
string parentLayer = layer.Substring(0, layer.Length - 3);
resolver.SetCommands(AdapterCommand.Update);
builder = SqlParamBuilder.CreateSingleSql(resolver.Context, layerField, "LIKE", parentLayer + "___");
resolver.Select(builder, "ORDER BY " + layerField.FieldName);
if (resolver.HostTable == null || resolver.HostTable.Rows.Count == 0)
{
return;
}
int rowNum = GetRowNum(resolver.HostTable, tree.IdField, id);
if (rowNum == -1)
{
return;
}
//根据移动方向，执行不同操作
switch (direct)
{
case TreeNodeMoveDirection.Up:
if (rowNum == 0) //已经最前，不能向上移动
{
return;
}
SwapLayer(resolver, tree, rowNum, rowNum - 1);
break;
case TreeNodeMoveDirection.Down:
if (rowNum == resolver.HostTable.Rows.Count - 1) //已经最后，不能向下移动
{
return;
}
SwapLayer(resolver, tree, rowNum, rowNum + 1);
break;
}
}
public static void GetInsertCommand(TableResolver resolver)
{
List <FieldInfoEventArgs> list = resolver.GetFieldInfo(UpdateKind.Insert);
if (resolver.DataAdapter.InsertCommand == null)
{
resolver.DataAdapter.InsertCommand = resolver.Context.CreateCommand();
}
else
{
resolver.DataAdapter.InsertCommand.Parameters.Clear();
}
resolver.DataAdapter.InsertCommand.CommandText = CreateInsertSql(resolver, list);
list = null;
}
internal static void MoveTree(TableResolver resolver, DbTreeDefinition tree, string sourceId, string destId)
{
TkDebug.AssertArgumentNull(resolver, "resolver", null);
TkDebug.AssertArgumentNull(tree, "tree", null);
TkDebug.AssertArgumentNullOrEmpty(sourceId, "sourceId", null);
TkDebug.AssertArgumentNullOrEmpty(destId, "destId", null);
IFieldInfo layerField = resolver.GetFieldInfo(tree.LayerField);
string sql = string.Format(ObjectUtil.SysCulture, "SELECT {0} FROM {1}",
layerField.FieldName, resolver.TableName);
IParamBuilder builder = ParamBuilder.CreateParamBuilder(resolver.CreateFixCondition(),
SqlParamBuilder.CreateEqualSql(resolver.Context, resolver.GetFieldInfo(tree.IdField), destId));
string destLayer = DbUtil.ExecuteScalar(sql, resolver.Context, builder).ToString();
DataRow srcRow = resolver.SelectRowWithParam(tree.IdField, sourceId);
if (destId == srcRow[tree.ParentIdField].ToString())
{
//throw new InvalidMoveException();
}
string oldLayer = srcRow[tree.LayerField].ToString();
if (destLayer.StartsWith(oldLayer, StringComparison.Ordinal))
{
//throw new InvalidMoveException();
}
resolver.SetCommands(AdapterCommand.Update);
string newLayer = GetLayer(resolver, tree, destId);
srcRow[tree.LayerField] = newLayer;
DataTable table = resolver.HostTable;
int currentCount = table.Rows.Count;
builder = CreateLayerParamBuilder(resolver.Context, layerField, oldLayer);
resolver.Select(builder);
for (int i = currentCount; i < table.Rows.Count; ++i)
{
DataRow row = table.Rows[i];
row[tree.LayerField] = row[tree.LayerField].ToString().Replace(
oldLayer, newLayer);
}
SetParentLeaf(resolver, tree, srcRow[tree.ParentIdField].ToString());
srcRow[tree.ParentIdField] = destId;
}
protected override void FillUpdateTables(TableResolver resolver, IInputData input)
{
if (SupportData)
{
var fieldInfo = resolver.GetFieldInfo(ParentKey);
ListDataRightEventArgs e = new ListDataRightEventArgs(Context,
BaseGlobalVariable.Current.UserInfo, resolver);
var builder = DataRight.GetListSql(e);
builder = ParamBuilder.CreateParamBuilder(
SqlParamBuilder.CreateEqualSql(Context, fieldInfo, fParentKey), builder);
resolver.Select(builder);
}
else
{
resolver.SelectWithParam(ParentKey, fParentKey);
}
}
internal static void SetParentLeaf(TableResolver resolver, DbTreeDefinition fields, string parentId)
{
//DataTable table = resolver.HostTable;
string sql = string.Format(ObjectUtil.SysCulture,
"SELECT COUNT(*) FROM {0}", resolver.TableName);
IParamBuilder builder = SqlParamBuilder.CreateEqualSql(
resolver.Context, resolver.GetFieldInfo(fields.ParentIdField), parentId);
builder = SqlParamBuilder.CreateParamBuilder(resolver.CreateFixCondition(), builder);
int count = DbUtil.ExecuteScalar(sql, resolver.Context, builder).Value <int>();
if (count == 1)
{
DataRow row = resolver.TrySelectRowWithParam(fields.IdField, parentId);
if (row != null)
{
row[fields.LeafField] = 1;
}
}
}
internal static void DeleteTree(TableResolver resolver, DbTreeDefinition tree, string id, IInputData inputData)
{
TkDebug.AssertArgumentNull(resolver, "resolver", null);
TkDebug.AssertArgumentNull(tree, "tree", null);
TkDebug.AssertArgumentNullOrEmpty(id, "id", null);
DataRow row = null;
if (resolver.HostTable != null)
{
row = resolver.HostTable.Select(string.Format(ObjectUtil.SysCulture, "{0} = '{1}'",
tree.IdField, id))[0];
}
else
{
row = resolver.SelectRowWithParam(tree.IdField, id);
}
resolver.SetCommands(AdapterCommand.Update | AdapterCommand.Delete);
DataTable table = resolver.HostTable;
int currentCount = table.Rows.Count;
IFieldInfo layerField = resolver.GetFieldInfo(tree.LayerField);
IParamBuilder builder = CreateLayerParamBuilder(resolver.Context, layerField,
row[tree.LayerField].ToString());
resolver.Select(builder);
for (int i = currentCount; i < table.Rows.Count; ++i)
{
DataRow delRow = table.Rows[i];
resolver.DeleteRow(delRow, UpdateKind.Delete, null, inputData);
}
SetParentLeaf(resolver, tree, row[tree.ParentIdField].ToString());
resolver.DeleteRow(row, UpdateKind.Delete, null, inputData);
}
private IParamBuilder GetManyToManyParamBuilder(TableResolver detailResolver, object masterValue)
{
return(ParamBuilder.CreateSql(string.Format(ObjectUtil.SysCulture,
"{0} IN ({1})", detailResolver.GetFieldInfo(fDetailFields[0]).FieldName,
fManyToMany.GetSubSelectSql(masterValue))));
}
public IParamBuilder CreateDetailParamBuilder(TableResolver masterResolver,
TableResolver detailResolver, IInputData input)
{
TkDebug.AssertNotNull(masterResolver, "masterResolver", this);
TkDebug.AssertNotNull(detailResolver, "detailResolver", this);
TkDebug.AssertNotNull(input, "input", this);
string[] keyArray = Array.ConvertAll(masterResolver.GetKeyFieldArray(),
field => field.NickName);
if (ObjectUtil.ArrayEqual(keyArray, fMasterFields))
{
if (fDetailFields.Length == 1)
{
if (fManyToMany == null)
{
return(SqlParamBuilder.CreateEqualSql(detailResolver.Context,
detailResolver.GetFieldInfo(fDetailFields[0]),
input.QueryString[fMasterFields[0]]));
}
else
{
return(GetManyToManyParamBuilder(detailResolver,
input.QueryString[fMasterFields[0]]));
}
}
else
{
if (fManyToMany == null)
{
IParamBuilder[] builders = new IParamBuilder[fDetailFields.Length];
for (int i = 0; i < fDetailFields.Length; ++i)
{
builders[i] = SqlParamBuilder.CreateEqualSql(detailResolver.Context,
detailResolver.GetFieldInfo(fDetailFields[i]),
input.QueryString[fMasterFields[i]]);
}
return(ParamBuilder.CreateParamBuilder(builders));
}
else
{
return(ThrowErrorManyToManyMode());
}
}
}
else
{
DataRow row = masterResolver.Query(input.QueryString);
if (fDetailFields.Length == 1)
{
if (fManyToMany == null)
{
return(SqlParamBuilder.CreateEqualSql(detailResolver.Context,
detailResolver.GetFieldInfo(fDetailFields[0]), row[fMasterFields[0]]));
}
else
{
return(GetManyToManyParamBuilder(detailResolver, row[fMasterFields[0]]));
}
}
else
{
if (fManyToMany == null)
{
IParamBuilder[] builders = new IParamBuilder[fDetailFields.Length];
for (int i = 0; i < fDetailFields.Length; ++i)
{
builders[i] = SqlParamBuilder.CreateEqualSql(detailResolver.Context,
detailResolver.GetFieldInfo(fDetailFields[i]),
row[fMasterFields[i]]);
}
return(ParamBuilder.CreateParamBuilder(builders));
}
else
{
return(ThrowErrorManyToManyMode());
}
}
}
}
