public void Save(XmlElement xml)
{
SaveBase(xml);
this.SavePropertiesCore(xml);
XmlTool.SaveParameters(xml, SpecificData);
if (ObjectName != null)
{
ObjectName.SaveToXml(xml);
}
if (RelatedTable != null)
{
RelatedTable.SaveToXml(xml, "relschema", "reltable");
}
//XmlTool.SaveNameWithSchema(xml, RelatedTable, "relschema", "reltable");
if (DependsOn != null)
{
XmlElement deps = xml.AddChild("DependsOn");
foreach (var item in DependsOn)
{
var repr = SpecificRepresentationAddonType.Instance.FindRepresentation(item.ObjectType);
XmlElement it = deps.AddChild(repr.XmlElementName);
if (item.Name != null)
{
item.Name.SaveToXml(it);
}
}
}
}
internal override bool IsConstraintViolated()
{
if (Table.DataSet == null || RelatedTable.DataSet == null)
{
return(false);
}
bool hasErrors = false;
foreach (DataRow row in Table.Rows)
{
if (row.RowState == DataRowState.Deleted)
{
continue;
}
// we check if all values in _childColumns place are nulls.
// if yes we return.
if (row.IsNullColumns(_childColumns))
{
continue;
}
// check whenever there is (at least one) parent row in RelatedTable
if (!RelatedTable.RowsExist(_parentColumns, _childColumns, row))
{
// if no parent row exists - constraint is violated
hasErrors = true;
string[] values = new string[_childColumns.Length];
for (int i = 0; i < _childColumns.Length; i++)
{
DataColumn col = _childColumns[i];
values[i] = row[col].ToString();
}
row.RowError = String.Format("ForeignKeyConstraint {0} requires the child key values ({1}) to exist in the parent table.",
ConstraintName, String.Join(",", values));
}
}
if (hasErrors)
{
//throw new ConstraintException("Failed to enable constraints. One or more rows contain values violating non-null, unique, or foreign-key constraints.");
return(true);
}
return(false);
}
internal override void AssertConstraint(DataRow row)
{
// first we check if all values in _childColumns place are nulls.
// if yes we return.
if (row.IsNullColumns(_childColumns))
{
return;
}
// check whenever there is (at least one) parent row in RelatedTable
if (!RelatedTable.RowsExist(_parentColumns, _childColumns, row))
{
// if no parent row exists - constraint is violated
throw new InvalidConstraintException(GetErrorMessage(row));
}
}
private void BuildKeyDialog_Load(object sender, EventArgs e)
{
if (SelectedDataSource != null)
{
if (SelectedDataSource is IDbDriver)
{
IDbDriver db = SelectedDataSource as IDbDriver;
//--EI-114
// relatedFields = db.GetTableColumnNames(RelatedTable);
if (RelatedTable.Contains(StringLiterals.SPACE))
{
string pstr = "Select TOP 2 * from [" + RelatedTable + "]";
DataTable relfields = DBReadExecute.GetDataTable(db, pstr);
foreach (DataColumn dc in relfields.Columns)
{
relatedFields.Add(dc.ColumnName);
}
}
else
{
relatedFields = db.GetTableColumnNames(RelatedTable);
}
//---
}
else if (SelectedDataSource is Project)
{
Project project = SelectedDataSource as Project;
if (project.Views.Exists(relatedTable))
{
foreach (Epi.Fields.IField field in project.Views[RelatedTable].Fields)
{
if (!(field is Epi.Fields.LabelField) & !(field is Epi.Fields.CommandButtonField) & !(field is Epi.Fields.PhoneNumberField)//EI-705
& !(field is Epi.Fields.MultilineTextField) & !(field is Epi.Fields.GroupField) & !(field is Epi.Fields.CheckBoxField)
& !(field is Epi.Fields.ImageField) & !(field is Epi.Fields.OptionField) & !(field is Epi.Fields.GridField)
& !(field is Epi.Fields.MirrorField))
{
relatedFields.Add(field.Name);
}
}
}
else
{
relatedFields = project.GetTableColumnNames(RelatedTable);
}
}
if (this.EpiInterpreter.Context.DataSet != null)
{
View CurrentView = null;
bool currentReadIdentifierIsView = false;
if (this.EpiInterpreter.Context.CurrentProject != null)
{
currentReadIdentifierIsView = this.EpiInterpreter.Context.CurrentProject.IsView(this.EpiInterpreter.Context.CurrentRead.Identifier);
}
if (currentReadIdentifierIsView)
{
CurrentView = this.EpiInterpreter.Context.CurrentProject.GetViewByName(this.EpiInterpreter.Context.CurrentRead.Identifier); //EI-705
foreach (DataColumn column in this.EpiInterpreter.Context.DataSet.Tables["Output"].Columns)
{
if ((CurrentView.Fields.Exists(column.ColumnName) && !(CurrentView.Fields[column.ColumnName] is Epi.Fields.LabelField)) & (CurrentView.Fields.Exists(column.ColumnName) && !(CurrentView.Fields[column.ColumnName] is Epi.Fields.CommandButtonField)) & (CurrentView.Fields.Exists(column.ColumnName) && !(CurrentView.Fields[column.ColumnName] is Epi.Fields.PhoneNumberField))
& (CurrentView.Fields.Exists(column.ColumnName) && !(CurrentView.Fields[column.ColumnName] is Epi.Fields.MultilineTextField)) & (CurrentView.Fields.Exists(column.ColumnName) && !(CurrentView.Fields[column.ColumnName] is Epi.Fields.GroupField)) & (CurrentView.Fields.Exists(column.ColumnName) && !(CurrentView.Fields[column.ColumnName] is Epi.Fields.CheckBoxField))
& (CurrentView.Fields.Exists(column.ColumnName) && !(CurrentView.Fields[column.ColumnName] is Epi.Fields.ImageField)) & (CurrentView.Fields.Exists(column.ColumnName) && !(CurrentView.Fields[column.ColumnName] is Epi.Fields.OptionField)) & (CurrentView.Fields.Exists(column.ColumnName) && !(CurrentView.Fields[column.ColumnName] is Epi.Fields.GridField))
& (CurrentView.Fields.Exists(column.ColumnName) && !(CurrentView.Fields[column.ColumnName] is Epi.Fields.MirrorField)))
{
currentFields.Add(column.ColumnName);
}
}
}
else
{
foreach (DataColumn column in this.EpiInterpreter.Context.DataSet.Tables["Output"].Columns)
{
currentFields.Add(column.ColumnName);
}
}
}
currentFields.Sort();
}
//rdbCurrentTable.Checked = true;
relatedFields.Sort();
currentFields.Sort();
//cmbAvailableVariables2.DataSource = relatedFields;
lbxRelatedTableFields.DataSource = relatedFields;
//cmbAvailableVariables.DataSource = currentFields;
lbxCurrentTableFields.DataSource = currentFields;
lbxCurrentTableFields.SelectedIndex = -1;
lbxRelatedTableFields.SelectedIndex = -1;
if (CallingDialog == "RELATE")
{
lblBuildKeyInstructions.Text = SharedStrings.BUILDKEY_RELATE_INSTRUCTIONS;
}
else
{
lblBuildKeyInstructions.Text = SharedStrings.BUILDKEY_MERGE_INSTRUCTIONS;
}
this.LoadIsFinished = true;
}
private void BuildKeyDialog_Load(object sender, EventArgs e)
{
if (SelectedDataSource != null)
{
if (SelectedDataSource is IDbDriver)
{
IDbDriver db = SelectedDataSource as IDbDriver;
//--EI-114
// relatedFields = db.GetTableColumnNames(RelatedTable);
if (RelatedTable.Contains(StringLiterals.SPACE))
{
string pstr = "Select TOP 2 * from [" + RelatedTable + "]";
DataTable relfields = DBReadExecute.GetDataTable(db, pstr);
foreach (DataColumn dc in relfields.Columns)
{
relatedFields.Add(dc.ColumnName);
}
}
else
{
relatedFields = db.GetTableColumnNames(RelatedTable);
}
//---
}
else if (SelectedDataSource is Project)
{
Project project = SelectedDataSource as Project;
if (project.Views.Exists(relatedTable))
{
foreach (Epi.Fields.IField field in project.Views[RelatedTable].Fields)
{
if (!(field is Epi.Fields.LabelField) &
!(field is Epi.Fields.CommandButtonField) &
!(field is Epi.Fields.PhoneNumberField) &
!(field is Epi.Fields.MultilineTextField) &
!(field is Epi.Fields.GroupField) &
!(field is Epi.Fields.CheckBoxField) &
!(field is Epi.Fields.ImageField) &
!(field is Epi.Fields.OptionField) &
!(field is Epi.Fields.GridField) &
!(field is Epi.Fields.MirrorField))
{
relatedFields.Add(field.Name);
}
}
}
else
{
relatedFields = project.GetTableColumnNames(RelatedTable);
}
}
currentFields = GetCurrentFields();
}
relatedFields.Sort();
currentFields.Sort();
lbxRelatedTableFields.DataSource = relatedFields;
lbxCurrentTableFields.DataSource = currentFields;
lbxCurrentTableFields.SelectedIndex = -1;
lbxRelatedTableFields.SelectedIndex = -1;
if (CallingDialog == "RELATE")
{
lblBuildKeyInstructions.Text = SharedStrings.BUILDKEY_RELATE_INSTRUCTIONS;
}
else
{
lblBuildKeyInstructions.Text = SharedStrings.BUILDKEY_MERGE_INSTRUCTIONS;
}
this.LoadIsFinished = true;
}