private void editButton_Click(object sender, EventArgs e)
{
var tableReferences = CurrentTablePreference.TableReferences;
if (tableReferences == null) return;
var selectedItem = (string)tableRefList.SelectedItem;
if(selectedItem == null) return;
var tableReference = tableReferences[selectedItem];
if (tableReference == null) return;
bool editState = tableReferenceGroup.Enabled;
tableReferenceGroup.Enabled = !editState;
if (tableReferenceGroup.Enabled)
{
editButton.Text = "Stop";
addReferenceButton.Enabled = editState;
removeReferenceButton.Enabled = editState;
}
else
{
//set state control
editButton.Text = "Edit";
addReferenceButton.Enabled = editState;
removeReferenceButton.Enabled = editState;
// update reference
tableReference.ReferenceTable = (string) detailTableCombo.SelectedItem;
refName.Text = tableReference.ReferenceTable;
tableReference.Name = refName.Text;
tableReference.ReferenceType = (ReferenceType)refTypeCombo.SelectedItem;
AddColumnDetail(tableReference, refColumnGrid);
if(!tableReferences.ContainsKey(tableReference.Name))
{
tableReferences.Add(tableReference.Name, tableReference);
tableReferences.Remove(selectedItem);
}
else
{
tableReferences[tableReference.Name] = tableReference;
}
PopularTableReferencesList();
if (tableReference.ReferenceType == ReferenceType.OneToMany)
{
// update to other table if reference is one to many
ApplicationPreferences otherPref = GetPreference(_tablePreferences, tableReference.ReferenceTable);
var otherTableRefs = otherPref.TableReferences;
if (otherTableRefs != null && otherTableRefs.Count > 0)
{
foreach (KeyValuePair<string, TableReference> pair in otherTableRefs)
{
TableReference reference = pair.Value;
if (reference.ReferenceTable.Equals(CurrentTablePreference.TableName)
&& reference.ReferenceType == ReferenceType.ManyToOne
)
{
return;
}
}
}
if (otherTableRefs == null)
otherTableRefs = new Dictionary<string, TableReference>();
otherPref.TableReferences = otherTableRefs;
TableReference inverseRef = new TableReference
{
Name = CurrentTablePreference.TableName,
ReferenceTable = CurrentTablePreference.TableName,
ReferenceType = ReferenceType.ManyToOne,
TableColumns = new Dictionary<ColumnDetail, ColumnDetail>()
};
AddColumnDetail(inverseRef, refColumnGrid);
otherTableRefs.Add(inverseRef.Name, inverseRef);
}
}
}
private void AddColumnDetail(TableReference tableReference, DataGridView refColumnGrid1)
{
tableReference.TableColumns.Clear();
foreach (DataGridViewRow row in refColumnGrid1.Rows)
{
var colName1 = row.Cells[0].Value;
var colName2 = row.Cells[1].Value;
if (colName1 == null || colName2 == null) continue;
ColumnDetail _column = GetColumn(columnDetailBindingSource, colName1.ToString());
ColumnDetail _refColumn = GetColumn(refColumnDetailBindingSource, colName2.ToString());
if (_column == null || _refColumn == null) continue;
tableReference.TableColumns.Add(_column, _refColumn);
}
}
private void addDetailTable_Click(object sender, EventArgs e)
{
if (tablesComboBox.SelectedIndex < 0) return;
if (_tablePreferences.Count <= 0) return;
var applicationPreferences = _tablePreferences[tablesComboBox.SelectedIndex];
if(applicationPreferences.TableReferences == null)
{
applicationPreferences.TableReferences = new Dictionary<string, TableReference>();
}
TableReference reference = new TableReference
{
Name = "REF" + new Random(DateTime.Now.Millisecond).Next().ToString(),
ReferenceType = (ReferenceType)refTypeCombo.SelectedItem,
TableColumns = new Dictionary<ColumnDetail, ColumnDetail>()
};
applicationPreferences.TableReferences.Add(reference.Name,reference);
tableRefList.Items.Add(reference.Name);
}