public override void SetValue(object component, object value)
{
esEntity obj = component as esEntity;
if (obj == null)
{
return;
}
if (_trueDescriptor != null)
{
_trueDescriptor.SetValue(component, value);
}
else
{
if (obj != null)
{
if (m_setDelegate != null)
{
m_setDelegate(obj, value);
}
else
{
obj.currentValues[this.Name] = value;
obj.OnPropertyChanged(this.Name);
}
}
}
}
private SortedList GetSortedListOfProperties(esEntity entity, esEntityCollectionBase baseCollection)
{
SortedList list = new SortedList();
esEntityCollectionBase theBaseCollection = baseCollection != null ? baseCollection : entity.Collection;
if (theBaseCollection != null)
{
if (theBaseCollection.selectedColumns != null)
{
foreach (KeyValuePair <string, int> selectedColumn in theBaseCollection.selectedColumns)
{
list.Add(selectedColumn.Value, selectedColumn.Key);
}
}
if (theBaseCollection.extraColumnMetadata != null)
{
foreach (KeyValuePair <string, esColumnMetadata> extraColumn in theBaseCollection.extraColumnMetadata)
{
list.Add(extraColumn.Value.Ordinal, extraColumn.Key);
}
}
}
return(list);
}
bool IEnumerator.MoveNext()
{
bool moved = false;
while (true)
{
if (enumerator.MoveNext())
{
IEnumerator e = this as IEnumerator;
esEntity obj = e.Current as esEntity;
if (obj.rowState != esDataRowState.Deleted)
{
moved = true;
break;
}
}
else
{
break;
}
}
return(moved);
}
public esPropertyDescriptor(esEntity entity, string name, Type propertyType, esEntity containedEntity)
: base(name, null)
{
this._entity = entity;
this.m_propertyType = propertyType;
this._containedEntity = containedEntity;
}
void IList.Remove(object value)
{
#if (TRACE)
Console.WriteLine("void IList.Remove(object value)");
#endif
esEntity entity = value as esEntity;
entities.Remove((T)entity);
if (entity.RowState != esDataRowState.Deleted && entity.RowState != esDataRowState.Added)
{
entity.MarkAsDeleted();
}
if (entitiesFilterBackup != null)
{
IList i = entitiesFilterBackup as IList;
i.Remove(entity);
}
if (updateViewNotification != null)
{
OnUpdateViewNotification(this, ListChangedType.ItemDeleted, entity);
}
}
int IComparer <T> .Compare(T obj1, T obj2)
{
esEntity obj = obj1 as esEntity;
esColumnMetadata esColumn = obj.es.Meta.Columns.FindByPropertyName(sortProperty.Name);
return(obj1.OnSort(obj2, esColumn, sortProperty.Name));
}
/// <summary>
/// Fills the object.
/// </summary>
/// <param name="objectToPopulate">The object to populate.</param>
/// <param name="fields">The fields.</param>
/// <param name="entityPrefix">The entity prefix.</param>
public static void FillObject(esEntity objectToPopulate, TextFieldCollection fields, string entityPrefix)
{
// Qualified property name
string qualifiedProperty = "";
// Iterate over the properties of the type
List <PropertyInfo> objectProperties = GetPropertyInfo(objectToPopulate.GetType());
foreach (PropertyInfo objectProperty in objectProperties)
{
// Build the qualified name
qualifiedProperty = ((string.IsNullOrEmpty(entityPrefix)) ? "" : entityPrefix + ".") + objectProperty.Name;
// See if we can write to the property
if (objectProperty.CanWrite)
{
// See if it's a complex type
if (objectProperty.PropertyType.IsSubclassOf(typeof(esEntity)))
{
// It's a complext type
FillObject(
(esEntity)objectProperty.GetValue(objectToPopulate, null),
fields,
qualifiedProperty);
}
else if (null != fields[qualifiedProperty])
{
// See if the property is in the text fields collection
objectProperty.SetValue(
objectToPopulate,
Convert.ChangeType(fields[qualifiedProperty].Value, objectProperty.PropertyType), null);
}
}
}
}
public override object GetValue(object component)
{
esEntity obj = component as esEntity;
if (obj == null)
{
return(null);
}
if (_trueDescriptor != null)
{
return(this._trueDescriptor.GetValue(component));
}
else
{
object o = null;
if (m_getDelegate != null)
{
o = m_getDelegate(component);
}
else
{
obj.currentValues.TryGetValue(this.Name, out o);
}
return(o);
}
}
public esPropertyDescriptor(esEntity entity, string name, Type propertyType, esEntity containedEntity)
: base(name, null)
{
this._entity = entity;
this.m_propertyType = propertyType;
this._containedEntity = containedEntity;
}
static public jsColumn[] PopulateColumns(esEntity entity)
{
List<jsColumn> cols = new List<jsColumn>();
// we just put some fake data in the footer section for the demo
decimal footer = 100M;
List<string> columns = entity.GetCurrentListOfColumns();
foreach (string column in columns)
{
esColumnMetadata esCol = entity.es.Meta.Columns.FindByColumnName(column);
jsColumn c = new jsColumn();
footer += 2M;
if (esCol != null)
{
c.isVisible = true;
c.displayName = esCol.PropertyName;
c.dataType = esCol.Type.ToString();
c.columnName = esCol.Name;
c.propertyName = esCol.PropertyName;
c.ordinal = esCol.Ordinal;
c.numericPrecision = esCol.NumericPrecision;
c.numericScale = esCol.NumericScale;
c.characterMaxLength = esCol.CharacterMaxLength;
c.defaultValue = esCol.Default;
c.hasDefault = esCol.HasDefault;
c.isInPrimaryKey = esCol.IsInPrimaryKey;
c.isAutoIncrement = esCol.IsAutoIncrement;
c.isNullable = esCol.IsNullable;
c.isConcurrency = esCol.IsConcurrency || esCol.IsEntitySpacesConcurrency;
c.isSortable = true;
c.footerValue = "$" + Convert.ToString(footer);
}
else
{
object o = entity.GetColumn(column);
if (o != DBNull.Value && o != null)
{
c.dataType = o.GetType().ToString();
}
c.isVisible = true;
c.displayName = column;
c.columnName = column;
c.propertyName = column;
c.isSortable = false;
c.footerValue = "$" + Convert.ToString(footer);
}
cols.Add(c);
}
return cols.ToArray();
}
static public jsColumn[] PopulateColumns(esEntity entity)
{
List <jsColumn> cols = new List <jsColumn>();
// we just put some fake data in the footer section for the demo
decimal footer = 100M;
List <string> columns = entity.GetCurrentListOfColumns();
foreach (string column in columns)
{
esColumnMetadata esCol = entity.es.Meta.Columns.FindByColumnName(column);
jsColumn c = new jsColumn();
footer += 2M;
if (esCol != null)
{
c.isVisible = true;
c.displayName = esCol.PropertyName;
c.dataType = esCol.Type.ToString();
c.columnName = esCol.Name;
c.propertyName = esCol.PropertyName;
c.ordinal = esCol.Ordinal;
c.numericPrecision = esCol.NumericPrecision;
c.numericScale = esCol.NumericScale;
c.characterMaxLength = esCol.CharacterMaxLength;
c.defaultValue = esCol.Default;
c.hasDefault = esCol.HasDefault;
c.isInPrimaryKey = esCol.IsInPrimaryKey;
c.isAutoIncrement = esCol.IsAutoIncrement;
c.isNullable = esCol.IsNullable;
c.isConcurrency = esCol.IsConcurrency || esCol.IsEntitySpacesConcurrency;
c.isSortable = true;
c.footerValue = "$" + Convert.ToString(footer);
}
else
{
object o = entity.GetColumn(column);
if (o != DBNull.Value && o != null)
{
c.dataType = o.GetType().ToString();
}
c.isVisible = true;
c.displayName = column;
c.columnName = column;
c.propertyName = column;
c.isSortable = false;
c.footerValue = "$" + Convert.ToString(footer);
}
cols.Add(c);
}
return(cols.ToArray());
}
internal void HrydateFromEntity(esEntity entity)
{
if (entity != null)
{
this.currentValues = entity.currentValues;
this.originalValues = entity.originalValues;
this.rowState = entity.rowState;
this.m_modifiedColumns = entity.m_modifiedColumns;
}
}
public esColumnMetadataCollection GetColumns(esEntityCollectionBase collection)
{
collection.EnableHierarchicalBinding = false;
PropertyDescriptorCollection props = null;
try
{
MethodInfo GetEntity = collection.GetType().GetMethod("CreateEntity", BindingFlags.NonPublic | BindingFlags.Public | BindingFlags.Instance);
esEntity entity = GetEntity.Invoke(collection, null) as esEntity;
MethodInfo GetProperties = collection.GetType().GetMethod("GetProperties", BindingFlags.NonPublic | BindingFlags.Public | BindingFlags.Instance);
props = GetProperties.Invoke(collection, new object[] { entity }) as PropertyDescriptorCollection;
}
catch { }
MethodInfo get_Meta = collection.GetType().GetMethod("get_Meta", BindingFlags.NonPublic | BindingFlags.Public | BindingFlags.Instance);
IMetadata meta = get_Meta.Invoke(collection, null) as IMetadata;
esColumnMetadataCollection esColumns = meta.Columns;
esColumnMetadataCollection esCollection = new esColumnMetadataCollection();
try
{
foreach (esColumnMetadata col in esColumns)
{
esCollection.Add(col);
}
}
catch { }
try
{
if (props != null)
{
esExtendedPropertyAttribute att = new esExtendedPropertyAttribute();
foreach (PropertyDescriptor prop in props)
{
if (esColumns.FindByPropertyName(prop.Name) == null)
{
if (prop.Attributes.Contains(att))
{
esColumnMetadata col = new esColumnMetadata(prop.Name, 1000, prop.PropertyType);
col.PropertyName = prop.Name;
esCollection.Add(col);
}
}
}
}
}
catch { }
return(esCollection);
}
public override object Deserialize(IDictionary <string, object> dictionary, Type type, JavaScriptSerializer serializer)
{
esEntity entity = Activator.CreateInstance(type) as esEntity;
if (entity != null)
{
List <string> propertyNames = (from esColumnMetadata c in entity.es.Meta.Columns select c.PropertyName).ToList();
var properties = dictionary.Where(e => propertyNames.Contains(e.Key)).ToDictionary(e => e.Key, e => e.Value);
var extraColumns = dictionary.Where(e => !propertyNames.Contains(e.Key)).ToDictionary(e => e.Key, e => e.Value);
entity.SetProperties(properties);
entity.SetExtraColumns(extraColumns);
}
return(entity);
}
void IList.RemoveAt(int index)
{
#if (TRACE)
Console.WriteLine("void IList.RemoveAt(int index)");
#endif
esEntity entity = ((IList)entities)[index] as esEntity;
entities.Remove((T)entity);
entity.MarkAsDeleted();
if (entitiesFilterBackup != null)
{
IList i = entitiesFilterBackup as IList;
i.Remove(entity);
}
}
void IList.Remove(object value)
{
#if (TRACE)
Console.WriteLine("void IList.Remove(object value)");
#endif
esEntity entity = value as esEntity;
entities.Remove((T)entity);
entity.MarkAsDeleted();
if (entitiesFilterBackup != null)
{
IList i = entitiesFilterBackup as IList;
i.Remove(entity);
}
}
void IList.RemoveAt(int index)
{
#if (TRACE)
Console.WriteLine("void IList.RemoveAt(int index)");
#endif
esEntity entity = ((IList)entities)[index] as esEntity;
entities.Remove((T)entity);
entity.MarkAsDeleted();
if (entitiesFilterBackup != null)
{
IList i = entitiesFilterBackup as IList;
i.Remove(entity);
}
if (updateViewNotification != null)
{
OnUpdateViewNotification(this, ListChangedType.ItemDeleted, entity);
}
}
bool ICollection <T> .Remove(T item)
{
#if (TRACE)
Console.WriteLine("bool ICollection<T>.Remove(T item)");
#endif
esEntity entity = item as esEntity;
IList list = this as IList;
bool removed = list.Contains(item);
entities.Remove((T)entity);
entity.MarkAsDeleted();
if (entitiesFilterBackup != null)
{
IList i = entitiesFilterBackup as IList;
i.Remove(entity);
}
return(removed);
}
bool ICollection <T> .Remove(T item)
{
#if (TRACE)
Console.WriteLine("bool ICollection<T>.Remove(T item)");
#endif
esEntity entity = item as esEntity;
bool removed = entities.Remove((T)entity);
entity.MarkAsDeleted();
if (entitiesFilterBackup != null)
{
IList i = entitiesFilterBackup as IList;
i.Remove(entity);
}
if (updateViewNotification != null)
{
OnUpdateViewNotification(this, ListChangedType.ItemDeleted, entity);
}
return(removed);
}
internal virtual PropertyDescriptorCollection GetProperties(esEntity entity, esEntityCollectionBase baseCollection)
{
return null;
}
internal virtual void OnUpdateViewNotification(object sender, ListChangedType changeType, esEntity obj)
{
}
internal override PropertyDescriptorCollection GetProperties(esEntity entity, esEntityCollectionBase baseCollection)
{
bool weHaveData = false;
int lastOrdinal = 0;
esColumnMetadataCollection esMetaCols = entity.es.Meta.Columns;
esEntityCollectionBase theBaseCollection = baseCollection != null ? baseCollection : entity.Collection;
bool enableHierarchcialBinding = theBaseCollection != null ? theBaseCollection.EnableHierarchicalBinding : true;
if (theBaseCollection != null)
{
if (theBaseCollection.GetList() != null)
{
// Do we have any entities?
weHaveData = theBaseCollection.GetList().Count > 0;
if (weHaveData == false)
{
// If selectedColumns has data then they attempted a load and we know the columns based on thier select statement
weHaveData = theBaseCollection.selectedColumns != null && theBaseCollection.selectedColumns.Keys.Count > 0;
}
}
}
//------------------------------------------------------------
// First we deal with Properties from the DataTable.Columns
// or from the esColumnMetadataCollection.
//------------------------------------------------------------
ArrayList collNested = new ArrayList();
SortedList <int, PropertyDescriptor> coll = new SortedList <int, PropertyDescriptor>();
PropertyDescriptorCollection props = TypeDescriptor.GetProperties(entity, true);
// Note, we check for selectedColumns because we might be a deserialized collection in which
// case there will not be any selectedColumns
if (weHaveData && theBaseCollection.selectedColumns != null)
{
SortedList list = GetSortedListOfProperties(entity, baseCollection);
for (int i = 0; i < list.Count; i++)
{
string column = (string)list.GetByIndex(i);
if (column == "ESRN")
{
continue;
}
esColumnMetadata esCol = entity.es.Meta.Columns.FindByColumnName(column);
if (esCol != null)
{
PropertyDescriptor prop = props[esCol.PropertyName];
if (prop != null)
{
coll.Add(lastOrdinal++, prop);
}
}
else
{
esCol = theBaseCollection.extraColumnMetadata[column];
if (esCol != null)
{
// Extra or Extended Properties
esPropertyDescriptor dpd = new esPropertyDescriptor
(
typeof(T),
column,
esCol != null ? esCol.Type : typeof(string),
delegate(object p)
{
return(((esEntity)p).currentValues[column]);
},
delegate(object p, object data)
{
((esEntity)p).currentValues[column] = data;
((esEntity)p).OnPropertyChanged(column);
}
);
coll.Add(lastOrdinal++, dpd);
}
}
}
}
else
{
foreach (esColumnMetadata esCol in esMetaCols)
{
coll.Add(lastOrdinal++, props[esCol.PropertyName]);
}
}
//------------------------------------------------------------
// Now we deal with extended properties that are using the
// esExtendedPropertyAttribute technique
//------------------------------------------------------------
foreach (PropertyDescriptor prop in props)
{
if (prop.Attributes.Contains(esEntityCollection <T> .extendedPropertyAttribute))
{
coll.Add(lastOrdinal++, prop);
}
}
//------------------------------------------------------------
// Now we deal with any local properties. Local properties are
// properties that users may want to bind with that are
// NOT backed by data in the DataTable
//------------------------------------------------------------
List <esPropertyDescriptor> localProps = entity.GetLocalBindingProperties();
if (localProps != null)
{
foreach (esPropertyDescriptor esProp in localProps)
{
// We check this incase they add a local based property for a DataColumn
// based property, they would do this so it appears in design time, and
// we don't want to add a duplicate
bool exists = coll.ContainsValue(props[esProp.Name]);
if (!exists)
{
if (props[esProp.Name] != null)
{
coll.Add(lastOrdinal++, props[esProp.Name]);
}
else
{
coll.Add(lastOrdinal++, esProp);
}
}
}
}
ArrayList tempColl = new ArrayList();
if (enableHierarchcialBinding)
{
List <esPropertyDescriptor> hierProps = entity.GetHierarchicalProperties();
if (hierProps != null)
{
foreach (esPropertyDescriptor esProp in hierProps)
{
esProp.TrueDescriptor = props[esProp.Name];
// coll.Add(lastOrdinal++, esProp);
tempColl.Add(esProp);
}
}
}
// Create the collection
foreach (PropertyDescriptor p in coll.Values)
{
tempColl.Add(p);
}
tempColl.AddRange(collNested);
PropertyDescriptorCollection theProps =
new PropertyDescriptorCollection((PropertyDescriptor[])tempColl.ToArray(typeof(PropertyDescriptor)));
return(theProps);
}
PropertyDescriptorCollection ITypedList.GetItemProperties(PropertyDescriptor[] listAccessors)
{
// We are binding so we turn this on ...
entities.RaiseListChangedEvents = true;
PropertyDescriptorCollection props = null;
Type type = null;
if (listAccessors == null || listAccessors.Length == 0)
{
esEntity e = null;
// It wants "this" object and so we can use this technique
if (this.Count > 0)
{
e = entities[0] as esEntity;
}
else
{
e = new T();
}
type = e.GetType();
//------------------------------------
// Check to see if it's in the cached
//------------------------------------
if (this.BindingPropertyCache.ContainsKey(type))
{
return(this.BindingPropertyCache[type]);
}
props = this.GetProperties(e, this);
this.BindingPropertyCache[type] = props;
}
else
{
if (this.EnableHierarchicalBinding == false)
{
return(null);
}
// We should not enter this else statement if hierarchical binding is false
PropertyDescriptor prop = listAccessors[listAccessors.Length - 1];
//------------------------------------
// Check to see if it's in the cached
//------------------------------------
if (this.BindingPropertyCache.ContainsKey(prop.PropertyType))
{
return(this.BindingPropertyCache[prop.PropertyType]);
}
esPropertyDescriptor esProp = prop as esPropertyDescriptor;
if (esProp != null)
{
// Nope, not in the cache, let's get the info
props = this.GetProperties(esProp.ContainedEntity, null);
}
else
{
// I give up, go get the raw properties
props = TypeDescriptor.GetProperties(prop.PropertyType);
}
this.BindingPropertyCache[prop.PropertyType] = props;
}
return(props);
}
static public void Map(esEntity src, esSmartDto dst)
{
dst.HrydateFromEntity(src);
}
public override void Delete(System.Collections.IDictionary keys, System.Collections.IDictionary oldValues, DataSourceViewOperationCallback callback)
{
esDataSourceDeleteEventArgs e = null;
try
{
if (keys != null && keys.Count > 0)
{
e = new esDataSourceDeleteEventArgs();
e.Keys = keys;
e.OldValues = oldValues;
this.OnPreDelete(e);
if (e.Cancel)
{
return;
}
// Find the proper esEntity and set it's values
object[] pks = new object[keys.Count];
int index = 0;
foreach (object value in keys.Values)
{
pks[index++] = value;
}
esDataSourceCreateEntityEventArgs ce = new esDataSourceCreateEntityEventArgs();
ce.PrimaryKeys = pks;
this.OnCreateEntity(ce);
esEntity entity = ce.Entity;
e.Entity = entity;
//this.OnPreDelete(e);
e.EventWasHandled = false;
this.OnDelete(e);
if (!e.EventWasHandled)
{
entity.MarkAsDeleted();
entity.Save();
this.OnDataSourceViewChanged(EventArgs.Empty);
}
this.OnPostDelete(e);
}
}
catch (Exception ex)
{
esDataSourceExceptionEventArgs exArgs = new esDataSourceExceptionEventArgs(ex);
exArgs.EventType = esDataSourceEventType.Delete;
exArgs.DeleteArgs = e;
try
{
this.OnException(exArgs);
}
catch { }
if (!exArgs.ExceptionWasHandled)
{
throw;
}
}
finally
{
callback(1, null);
}
}
virtual internal PropertyDescriptorCollection GetProperties(esEntity entity, esEntityCollectionBase baseCollection)
{
return(null);
}
public void OnUpdateViewEventHandler(object sender, ListChangedType changeType, esEntity entity)
{
bool orginal = this.entities.RaiseListChangedEvents;
this.entities.RaiseListChangedEvents = collection.RaiseListChangeEventsEnabled;
switch (changeType)
{
case ListChangedType.ItemDeleted:
{
IList coll = this as IList;
coll.Remove(entity);
if (entitiesFilterBackup != null)
{
IBindingList i = entitiesFilterBackup as IBindingList;
i.Remove(entity);
}
}
break;
case ListChangedType.ItemAdded:
{
IList coll = this as IList;
coll.Add(entity);
if (entitiesFilterBackup != null)
{
IBindingList i = entitiesFilterBackup as IBindingList;
i.Add(entity);
}
}
break;
case ListChangedType.Reset:
{
entities.Clear();
// We want to initially populate from the original list if there is an ongoing filer ..
BindingList <T> list = (collection.entitiesFilterBackup == null) ? baseEntityList : collection.entitiesFilterBackup;
foreach (T obj in list)
{
entities.Add(obj);
}
if (entitiesFilterBackup != null)
{
entitiesFilterBackup = null;
}
}
break;
}
this.entities.RaiseListChangedEvents = orginal;
}
public esDynamic(esEntity entity)
{
_entity = entity;
}
virtual internal void OnUpdateViewNotification(object sender, ListChangedType changeType, esEntity obj)
{
}
internal virtual void AddEntityToDeletedList(esEntity entity)
{
}
public esPropertyDescriptor(esEntity entity, string name, Type propertyType)
: base(name, null)
{
this._entity = entity;
this.m_propertyType = propertyType;
}
internal virtual void RemoveEntity(esEntity entity)
{
}
static public void Map(esSmartDto src, esEntity dst)
{
dst.HrydateFromDto(src);
}
virtual internal void AddEntityToDeletedList(esEntity entity)
{
}
public override void Insert(System.Collections.IDictionary values, DataSourceViewOperationCallback callback)
{
esDataSourceInsertEventArgs e = null;
try
{
e = new esDataSourceInsertEventArgs();
e.Values = values;
this.OnPreInsert(e);
if (e.Cancel)
{
return;
}
esDataSourceCreateEntityEventArgs ce = new esDataSourceCreateEntityEventArgs();
this.OnCreateEntity(ce);
esEntity entity = ce.Entity;
e.Entity = entity;
if (entity != null)
{
entity.SetProperties(values);
}
//this.OnPreInsert(e);
e.EventWasHandled = false;
this.OnInsert(e);
if (!e.EventWasHandled)
{
entity.Save();
this.OnDataSourceViewChanged(EventArgs.Empty);
}
e.EventWasHandled = false;
this.OnPostInsert(e);
}
catch (Exception ex)
{
esDataSourceExceptionEventArgs exArgs = new esDataSourceExceptionEventArgs(ex);
exArgs.EventType = esDataSourceEventType.Insert;
exArgs.InsertArgs = e;
try
{
this.OnException(exArgs);
}
catch { }
if (!exArgs.ExceptionWasHandled)
{
throw;
}
}
finally
{
callback(1, null);
}
}
internal virtual void RemoveEntity(esEntity entity)
{
}
public esPropertyDescriptor(esEntity entity, string name, Type propertyType)
: base(name, null)
{
this._entity = entity;
this.m_propertyType = propertyType;
}
