protected override void OnExtractSchemaHints()
{
DataPath textBindingPath;
if (Control.Bindings != null)
{
Control.Bindings.TryGetValue(LookupIdBindingCode, out _lookupIdBindingPath);
Control.Bindings.TryGetValue(TextBindingCode, out textBindingPath);
}
else
{
textBindingPath = null;
}
string lookupDef;
if (Component.TryGetPropertyValue("Lookup", out lookupDef))
{
_lookup = EntityLoader.LoadLookup(lookupDef);
if (_lookup != null)
{
try
{
_idDataPath = DataPath.Parse(_lookup.IdField);
}
catch (FormatException)
{
LogError("Unable to parse '{0}' lookup id field", _lookup.IdField);
}
try
{
_nameDataPath = DataPath.Parse(_lookup.NameField);
}
catch (FormatException)
{
LogError("Unable to parse '{0}' lookup name field", _lookup.NameField);
}
DataPathTranslator.RegisterTable(_lookup.MainTable);
if (_idDataPath != null)
{
_columnPrefixPath = _idDataPath.Reverse();
DataPathTranslator.RegisterField(_idDataPath);
DataPathTranslator.RegisterField(_columnPrefixPath);
}
if (_nameDataPath != null)
{
DataPathTranslator.RegisterField(_nameDataPath);
}
_columns = new List<ColumnDefinition>();
_dataPaths = new List<DataPath>();
if (_lookup.Layout != null)
{
foreach (string columnString in _lookup.Layout.Split(new char[] {'\r', '\n'}, StringSplitOptions.RemoveEmptyEntries))
{
ColumnDefinition column = ColumnDefinition.Parse(columnString);
if (column.Visible)
{
DataPath dataPath = null;
try
{
dataPath = DataPath.Parse(column.Binding);
}
catch (FormatException)
{
LogError("Unable to parse '{0}' column binding string", column.Binding);
}
if (dataPath != null)
{
DataPathTranslator.RegisterField(dataPath);
_columns.Add(column);
_dataPaths.Add(dataPath);
}
}
}
}
}
else
{
LogWarning("Unable to find '{0}' lookup", lookupDef);
}
}
if (_lookupIdBindingPath != null && _idDataPath != null)
{
if (textBindingPath != null &&
_nameDataPath != null &&
textBindingPath.Joins.Count == 0)
{
Debug.Assert(_lookupIdBindingPath.Joins.Count == 0);
Debug.Assert(_idDataPath.Joins.Count == 0);
Debug.Assert(_nameDataPath.Joins.Count == 0);
DataPathTranslator.RegisterJoin(_lookupIdBindingPath, _idDataPath);
Context.SecondaryJoins[
new DataPathJoin(_lookupIdBindingPath.TargetTable, _lookupIdBindingPath.TargetField, _idDataPath.TargetTable, _idDataPath.TargetField)] =
new DataPathJoin(textBindingPath.TargetTable, textBindingPath.TargetField, _nameDataPath.TargetTable, _nameDataPath.TargetField);
_isObject = true;
}
if (!_isObject)
{
OrmEntity entity = EntityLoader.LoadEntity(_lookupIdBindingPath.TargetTable);
if (entity != null)
{
string targetField = _lookupIdBindingPath.TargetField;
if (targetField.StartsWith("@"))
{
targetField = targetField.Substring(1);
}
OrmEntityProperty property = entity.Properties.GetFieldPropertyByFieldName(targetField);
if (property != null)
{
_isObject = !property.Include;
}
}
}
if (_isObject)
{
DataPathTranslator.RegisterJoin(_idDataPath, _lookupIdBindingPath);
}
}
}
protected override void OnExtractSchemaHints()
{
DelphiComponent query = Component.Components[0];
if (query.TryGetPropertyValue("MainTable", out _tableName) && !string.IsNullOrEmpty(_tableName))
{
DataPathTranslator.RegisterTable(_tableName);
}
string bindCondition;
if (query.TryGetPropertyValue("BindCondition", out bindCondition) && !string.IsNullOrEmpty(bindCondition))
{
try
{
_bindConditionPath = DataPath.Parse(bindCondition);
}
catch (FormatException)
{
LogError("Unable to parse '{0}' bind condition", bindCondition);
}
if (_bindConditionPath != null)
{
if (_bindIdBindingPath != null)
{
DataPathTranslator.RegisterJoin(_bindIdBindingPath, _bindConditionPath);
}
_columnPrefixPath = _bindConditionPath.Reverse();
DataPathTranslator.RegisterField(_columnPrefixPath);
}
}
_columns = new List<ColumnDefinition>();
_dataPaths = new List<DataPath>();
IEnumerable layouts;
if (query.TryGetPropertyValue("Layouts.Strings", out layouts))
{
foreach (string layout in layouts)
{
ColumnDefinition column = ColumnDefinition.Parse(layout);
if (column.Visible)
{
DataPath dataPath = null;
try
{
dataPath = DataPath.Parse(column.Binding);
}
catch (FormatException)
{
LogError("Unable to parse '{0}' column binding string", column.Binding);
}
if (dataPath != null)
{
DataPathTranslator.RegisterField(dataPath);
_columns.Add(column);
_dataPaths.Add(dataPath);
}
}
}
}
}
protected override void OnExtractSchemaHints()
{
if (Component.TryGetPropertyValue("TableName", out _tableName) && !string.IsNullOrEmpty(_tableName))
{
DataPathTranslator.RegisterTable(_tableName);
}
string bindCondition;
if (Component.TryGetPropertyValue("BindCondition", out bindCondition) && !string.IsNullOrEmpty(bindCondition))
{
try
{
_bindConditionPath = DataPath.Parse(bindCondition);
}
catch (FormatException)
{
LogError("Unable to parse '{0}' bind condition", bindCondition);
}
if (_bindConditionPath != null)
{
if (_bindIdBindingPath != null)
{
DataPathTranslator.RegisterJoin(_bindIdBindingPath, _bindConditionPath);
}
_columnPrefixPath = _bindConditionPath.Reverse();
DataPathTranslator.RegisterField(_columnPrefixPath);
}
}
_columnBuilders = new List<ColumnBuilder>(Component.Components.Count);
foreach (DelphiComponent columnComponent in Component.Components)
{
bool visible;
if (!columnComponent.TryGetPropertyValue("Visible", out visible) || visible)
{
ColumnBuilder builder = ColumnBuilder.CreateBuilder(columnComponent);
if (builder != null)
{
_workItem.BuildTransientItem(builder);
builder.ExtractSchemaHints();
_columnBuilders.Add(builder);
}
else
{
LogWarning("Legacy column type '{0}' not supported", columnComponent.Type);
}
}
}
}
