public IEnumerable <ITreeNode> GetDisplayTreeNodes(string id)
{
ITreeNode node = GetTreeNode(id);
if (node == null)
{
return(RootNodes);
}
IParamBuilder builder = TreeUtil.GetValueBuilder(fSelector, fDefinition,
TopLevel, node.Convert <NormalDataRowTreeNode>());
builder = GetCustomParamBuilder(builder);
if (builder == null)
{
return(Enumerable.Empty <ITreeNode>());
}
//IParamBuilder customSql = fTreeProvider.CustomSql;
//if (builder == null && customSql == null)
// return TreeUtil.CreateEmptyEnumerable();
//if (customSql != null)
// builder = builder == null ? customSql : SqlParamBuilder.CreateParamBuilder(builder, customSql);
var data = TreeUtil.SelectData(fSelector, this, () => fSelector.Select(builder, fOrder), id);
return(TreeUtil.GetDisplayTreeNodes(data, id));
}
public IEnumerable <ITreeNode> GetDisplayTreeNodes(string id)
{
int level = fProvider.GetLevel(fDefinition, id);
IParamBuilder builder = TreeUtil.GetLevelBuilder(fSelector, fDefinition,
level, id, fProvider);
var data = TreeUtil.SelectData(fSelector, this, () => fSelector.Select(builder), id);
return(TreeUtil.GetDisplayTreeNodes(data, id));
}
private IEnumerable <ITreeNode> SelectChildNode(string parentId, int level)
{
string value = fProvider.GetSqlLikeValue(fDefinition, level, parentId);
IFieldInfo fieldInfo = fSelector.GetFieldInfo(fDefinition.IdField);
IParamBuilder builder = SqlParamBuilder.CreateSingleSql(fSelector.Context,
fieldInfo, "LIKE", value);
if (!string.IsNullOrEmpty(parentId))
{
builder = SqlParamBuilder.CreateParamBuilder(builder,
SqlParamBuilder.CreateSingleSql(fSelector.Context, fieldInfo,
"<>", fDefinition.IdField + 1, parentId));
}
return(TreeUtil.SelectData(fSelector, this, () => fSelector.Select(builder), null).ToArray());
}
public IEnumerable <ITreeNode> GetChildNodes(string parentId)
{
TkDebug.AssertArgumentNullOrEmpty(parentId, "parentId", this);
if (!UseCustomParamBuilder)
{
return(TreeUtil.SelectData(fSelector, this,
() => fSelector.SelectWithParam(null, fOrder, fDefinition.ParentIdField, parentId),
null).ToArray());
}
else
{
IParamBuilder builder = fSelector.CreateParamBuilder(null,
new string[] { fDefinition.ParentIdField }, parentId);
return(GetTreeNodes(builder).ToArray());
}
}
private IEnumerable <ITreeNode> GetTreeNodes(IParamBuilder builder)
{
builder = GetCustomParamBuilder(builder);
return(TreeUtil.SelectData(fSelector, this,
() => fSelector.Select(builder, fOrder), null));
}