public void LoadProperties(dao.TableDef tableDef, ImportObject import)
{
props = import.ReadProperties();
import.ReadLine(); //Reads the 'End Field' line
daoField.Attributes = Convert.ToInt32(props["Attributes"]);
//CollatingOrder is read only!!
daoField.Type = Convert.ToInt16(props["Type"]);
daoField.Name = Convert.ToString(props["Name"]);
daoField.OrdinalPosition = Convert.ToInt16(props["OrdinalPosition"]);
daoField.Size = Convert.ToInt32(props["Size"]);
//SourceField, SourceTable, DataUpdatable are read only!!
daoField.DefaultValue = Convert.ToString(props["DefaultValue"]);
daoField.ValidationRule = Convert.ToString(props["ValidationRule"]);
daoField.ValidationText = Convert.ToString(props["ValidationText"]);
daoField.Required = Convert.ToBoolean(props["Required"]);
//AllowZeroLength property is valid only for text fields
if (daoField.Type == (short)dao.DataTypeEnum.dbText)
{
daoField.AllowZeroLength = Convert.ToBoolean(props["AllowZeroLength"]);
}
//VisibleValue is read only!!
}
/// <summary>
/// Save table defintion to <paramref name="fileName"/>
/// </summary>
/// <param name="fileName">File name where save the table definition</param>
public override void Save(string fileName)
{
MakePath(System.IO.Path.GetDirectoryName(fileName));
dao.DBEngine dbEngine = new dao.DBEngine();
dao.Database db = dbEngine.OpenDatabase(App.FileName);
dao.TableDef tbDef = db.TableDefs[Name];
using (StreamWriter sw = new StreamWriter(fileName)) {
ExportObject export = new ExportObject(sw);
//export.ListProperties(tbDef.Name, tbDef.Properties);
export.WriteBegin(ClassName, TableName);
export.WriteProperty("Attributes", tbDef.Attributes);
export.WriteProperty("Connect", tbDef.Connect);
export.WriteProperty("SourceTableName", tbDef.SourceTableName);
export.WriteProperty("ValidationRule", tbDef.ValidationRule);
export.WriteProperty("ValidationText", tbDef.ValidationText);
PropertyCollectionDao propColl = new PropertyCollectionDao(tbDef, tbDef.Properties);
propColl.TryWriteProperty(export, "Description");
propColl.TryWriteProperty(export, "ConflictTable");
propColl.TryWriteProperty(export, "ReplicaFilter");
propColl.TryWriteProperty(export, "Orientation");
propColl.TryWriteProperty(export, "OrderByOn");
propColl.TryWriteProperty(export, "SubdatasheetName");
propColl.TryWriteProperty(export, "LinkChildFields");
propColl.TryWriteProperty(export, "LinkMasterFields");
propColl.TryWriteProperty(export, "SubdatasheetHeight");
propColl.TryWriteProperty(export, "SubdatasheetExpanded");
propColl.TryWriteProperty(export, "DefaultView");
propColl.TryWriteProperty(export, "OrderBy");
export.WriteBegin("Fields");
foreach (dao.Field field in tbDef.Fields)
{
export.WriteObject(new Field(field));
}
export.WriteEnd(); //End Fields
export.WriteBegin("Indexes");
//TODO: Add new option menu to ignore linked tables errors if the linked document do not exist
// Check if the linked document exists before iterate the indexes collection
foreach (dao.Index daoIndex in tbDef.Indexes)
{
export.WriteObject(new Index(daoIndex));
}
export.WriteEnd(); //End Indexes
export.WriteEnd(); //End Table
}
db.Close();
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="app">AccessScrCtrl application</param>
/// <param name="name">Name of the object name</param>
/// <param name="objectType">Access object type</param>
public Table(AccessApp app, string name, ObjectType objectType) : base(app, name, objectType)
{
//TODO: Ver posibilidad de no instanciar tableDef hasta el método Load (habría que cambiar el método Save)
dao.Database db = app.Application.CurrentDb();
if (ExistsTableDef(db, name.ToString()))
{
tableDef = app.Application.CurrentDb().TableDefs[name];
}
else
{
tableDef = null;
}
TableName = name;
Fields = new List <Field>();
}
public override void Load(string fileName)
{
if (!AllowDataLost && HasData)
{
throw new DataLostException(this.Name);
}
using (StreamReader sr = new StreamReader(fileName)) {
ImportObject import = new ImportObject(sr);
string objName = import.ReadObjectName();
if (string.Compare(this.Name, objName, true) != 0)
{
this.Name = objName;
}
dao.Database db = App.Application.CurrentDb();
bool tableExists = false;
string tempTableName = this.Name;
//if (ExistsTableDef(db, this.Name)) {
// foreach (dao.Relation relation in GetTableRelations(db)) {
// db.Relations.Delete(relation.Name);
// }
// db.TableDefs.Delete(this.Name);
//}
if (ExistsTableDef(db, this.Name))
{
tableExists = true;
tempTableName = String.Format("{0}{1}", this.Name, DateTime.Now.ToString("yyyyMMddHHmmssff"));
tempTableName = tempTableName.Substring(tempTableName.Length - Math.Min(64, tempTableName.Length));
}
tableDef = db.CreateTableDef(tempTableName);
try {
//read table properties
Dictionary <string, object> props = import.ReadProperties();
//tableDef.Attributes = Convert.ToInt32(props["Attributes"]);
tableDef.Connect = Convert.ToString(props["Connect"]);
tableDef.SourceTableName = Convert.ToString(props["SourceTableName"]);
tableDef.ValidationRule = Convert.ToString(props["ValidationRule"]);
tableDef.ValidationText = Convert.ToString(props["ValidationText"]);
//Linked tables do not allow fields nor indexes definitions
//but ms access properties are allowed
bool isLinkedTable = !String.IsNullOrEmpty(Convert.ToString(props["Connect"]));
//read fields
import.ReadLine(); //Read the 'Begin Fields' line
while (!import.IsEnd)
{
dao.Field fld = ReadField(import);
if (!isLinkedTable)
{
tableDef.Fields.Append(fld);
}
}
if (!isLinkedTable)
{
//read indexes
import.ReadLine(); //Read the 'Begin Indexes' line. If there is not indexes, CurrentLine == End
if (import.IsBegin)
{
import.ReadLine(); //Read the 'Begin Index' line.
while (!import.IsEnd)
{
dao.Index idx = ReadIndex(import);
if (idx == null)
{
break;
}
tableDef.Indexes.Append(idx);
}
}
}
db.TableDefs.Append(tableDef);
db.TableDefs.Refresh();
//According with MS-doc: The object to which you are adding the user-defined property must already be appended to a collection.
//see: http://msdn.microsoft.com/en-us/library/ff820932.aspx
//So: After fields added to the tableDef and tableDef added to the database, we add the custom properties
//This properties are also available for linked tables
foreach (Field field in Fields)
{
field.AddCustomProperties();
}
AddCustomProperties(props);
//manage table relations
if (tableExists)
{
List <Relation> relationsList = new List <Relation>();
foreach (dao.Relation relation in GetTableRelations(db))
{
dao.Relation newRelation = db.CreateRelation(relation.Name, relation.Table, relation.ForeignTable, relation.Attributes);
//try { newRelation.PartialReplica = relation.PartialReplica; } catch { } //Accessing this property causes an exception ¿?
foreach (dao.Field field in relation.Fields)
{
dao.Field newField = newRelation.CreateField();
newField.Name = field.Name;
newField.ForeignName = field.ForeignName;
newRelation.Fields.Append(newField);
}
relationsList.Add(newRelation);
db.Relations.Delete(relation.Name);
}
db.Relations.Refresh();
db.TableDefs.Delete(this.Name);
db.TableDefs[tempTableName].Name = this.Name;
db.TableDefs.Refresh();
foreach (dao.Relation relation in relationsList)
{
try {
db.Relations.Append(relation);
} catch {
//not allways we can restore the relation: the field do not exists or has changed the data type
}
}
}
} catch (Exception ex) {
if (tableExists)
{
db.TableDefs.Delete(tempTableName);
}
string message = String.Format(AccessIO.Properties.ImportRes.ErrorAtLineNum, import.LineNumber, ex.Message);
throw new WrongFileFormatException(message, fileName, import.LineNumber);
}
}
}
