/*
* // Existing known properties
* private string _firstName;
* private string _lastName;
*
* public string FirstName
* {
* get { return _firstName; }
* set { _firstName = value; RaisePropertyChanged(); }
* }
*
* public string LastName
* {
* get { return _lastName; }
* set { _lastName = value; RaisePropertyChanged(); }
* }
*/
#endregion
public Item(ItemSchema schema)
{
_schema = schema;
_values = new ItemValues(_schema);
_values.PropertyChanged += (s, e) => PropertyChanged(this, e);
}
/*
// Existing known properties
private string _firstName;
private string _lastName;
public string FirstName
{
get { return _firstName; }
set { _firstName = value; RaisePropertyChanged(); }
}
public string LastName
{
get { return _lastName; }
set { _lastName = value; RaisePropertyChanged(); }
}
*/
#endregion
public Item(ItemSchema schema)
{
_schema = schema;
_values = new ItemValues(_schema);
_values.PropertyChanged += (s, e) => PropertyChanged(this, e);
}
public ItemValues(ItemSchema schema)
{
_schema = schema;
foreach (var property in _schema.GetCustomType().GetProperties())
{
_customPropertyValues.Add(property.Name, null);
}
}
protected Item CreateNewItem(Graphic graphic)
{
// make sure the schema is up to date
if (_schema == null)
{
if (_featureLayer == null)
return null;
_schema = new ItemSchema();
Field oidField = null;
foreach (Field field in _featureLayer.LayerInfo.Fields)
{
if (field.Type == Field.FieldType.OID) // (field.Name.ToUpper() != "OBJECTID")
oidField = field;
else
_schema.AddProperty(field);
}
// add the OID field at the end
if (oidField != null)
_schema.AddProperty(oidField);
}
// create a new item
Item item = new Item(_schema);
// set item attributes
if (!UpdateItem(item, graphic))
return null;
return item;
}
public void SetDataSource(OD.DataSource dataSource)
{
if (_dataSource != dataSource)
{
// this will cause the schema to get recreated
_schema = null;
// clear the grouping
_groupByColumnViewModels = null;
_dataSource = dataSource;
_map = GetMap();
_featureLayer = FindFeatureLayer(_dataSource);
}
}
