internal object GetJson(Base parentColumn, Column column)
{
if (parentColumn is ESDataSourceConnection)
{
parentColumn = (parentColumn as ESDataSourceConnection).GetParentJTDSByName(column.Name);
}
if (parentColumn is JsonDataSourceConnection)
{
// return zero level json
return((parentColumn as JsonDataSourceConnection).Json);
}
else if (parentColumn is JsonTableDataSource)
{
if (parentColumn.Parent is ESDataSourceConnection)
{
parentColumn.Parent = (parentColumn.Parent as ESDataSourceConnection).GetParentJTDSByName(parentColumn.Name);
}
JsonTableDataSource source = parentColumn as JsonTableDataSource;
return(source.Json[source.CurrentRowNo] as object);
}
else if (parentColumn is Column)
{
object parentJson = GetJson(parentColumn.Parent, parentColumn as Column);
if (parentJson is JsonBase && !String.IsNullOrEmpty(column.PropName))
{
return((parentJson as JsonBase)[column.PropName]);
}
}
return(null);
}
/// <inheritdoc/>
public override void CreateAllTables(bool initSchema)
{
bool found = false;
foreach (Base b in Tables)
{
if (b is JsonTableDataSource)
{
(b as JsonTableDataSource).UpdateSchema = true;
(b as JsonTableDataSource).InitSchema();
found = true;
break;
}
}
if (!found)
{
JsonTableDataSource jsonDataSource = new JsonTableDataSource();
string fixedTableName = TABLE_NAME;
jsonDataSource.TableName = fixedTableName;
if (Report != null)
{
jsonDataSource.Name = Report.Dictionary.CreateUniqueName(fixedTableName);
jsonDataSource.Alias = Report.Dictionary.CreateUniqueAlias(jsonDataSource.Alias);
}
else
{
jsonDataSource.Name = fixedTableName;
}
jsonDataSource.Parent = this;
jsonDataSource.InitSchema();
jsonDataSource.Enabled = true;
}
// init table schema
if (initSchema)
{
foreach (TableDataSource table in Tables)
{
table.InitSchema();
}
}
}
internal static object GetJsonBaseByColumn(Base parentColumn, Column column)
{
if (parentColumn is JsonTableDataSource)
{
switch (column.PropName)
{
case "item":
return((parentColumn as JsonTableDataSource).Json[(parentColumn as JsonTableDataSource).CurrentIndex]);
}
JsonTableDataSource source = column as JsonTableDataSource;
return(source.Json);
}
if (parentColumn is Column && !String.IsNullOrEmpty(column.PropName))
{
object json = GetJsonBaseByColumn(parentColumn.Parent, parentColumn as Column);
if (json is JsonBase)
{
return((json as JsonBase)[column.PropName]);
}
}
return(null);
}
internal static void InitSchema(Column table, JsonSchema schema)
{
List <Column> saveColumns = new List <Column>();
switch (schema.Type)
{
case "object":
foreach (KeyValuePair <string, JsonSchema> kv in schema.Properties)
{
if (kv.Value.Type == "object")
{
Column c = new Column();
c.Name = kv.Key;
c.Alias = kv.Key;
c.PropName = kv.Key;
c.DataType = kv.Value.DataType;
c = UpdateColumn(table, c, saveColumns);
InitSchema(c, kv.Value);
}
else if (kv.Value.Type == "array")
{
Column c = new JsonTableDataSource();
c.Name = kv.Key;
c.Alias = kv.Key;
c.PropName = kv.Key;
c.DataType = kv.Value.DataType;
c = UpdateColumn(table, c, saveColumns);
InitSchema(c, kv.Value);
}
else
{
Column c = new Column();
c.Name = kv.Key;
c.Alias = kv.Key;
c.PropName = kv.Key;
c.DataType = kv.Value.DataType;
c.SetBindableControlType(c.DataType);
UpdateColumn(table, c, saveColumns);
}
}
break;
case "array":
JsonSchema items = schema.Items;
{
Column c = new Column();
c.Name = "index";
c.Alias = "index";
c.PropName = "index";
c.DataType = typeof(int);
UpdateColumn(table, c, saveColumns);
}
{
Column c;
bool iSchema = false;
if (items.Type == "object")
{
c = new Column();
iSchema = true;
}
else if (items.Type == "array")
{
c = new JsonTableDataSource();
iSchema = true;
}
else
{
c = new Column();
}
c.Name = "item";
c.Alias = "item";
c.PropName = "item";
c.DataType = items.DataType;
c = UpdateColumn(table, c, saveColumns);
if (iSchema)
{
InitSchema(c, items);
}
}
{
Column c = new Column();
c.Name = "array";
c.Alias = "array";
c.PropName = "array";
c.DataType = typeof(JsonBase);
UpdateColumn(table, c, saveColumns);
}
break;
}
for (int i = 0; i < table.Columns.Count; i++)
{
if (!(table.Columns[i].Calculated || saveColumns.Contains(table.Columns[i])))
{
table.Columns.RemoveAt(i);
i--;
}
}
}
