public void Add(XtraBinding XtraBinding, object DataSourceItem, XtraBindingStoredItemState State)
{
object underlyingItem = XtraBinding.ItemAdapter.GetUnderlyingDataSourceItem(DataSourceItem);
XtraBindingUpdateSetEntity enty = _entyties.FirstOrDefault(p => p.xtraBinding == XtraBinding);
if (enty == null)
{
enty = new XtraBindingUpdateSetEntity(XtraBinding);
_entyties.Add(enty);
}
XtraBindingStoredItem item = GetStoredItem(enty, underlyingItem);
if (item == null)
{
item = new XtraBindingStoredItem();
enty.StoredItems.Add(item);
}
item.Update(GetFieldsValues(XtraBinding, underlyingItem), State);
item.UpdateDataSourceItem(DataSourceItem);
}
private static XtraBinding CreateXtraBindingSource(XOTableContext TableContext, IControllerProvider ControllerProvider, XtraBindingChildProperties ChildProperties)
{
object dataSource = ControllerProvider.GetDataSource(TableContext.XOTable);
DataAvail.Data.DataAdapter.IDataAdapter dataAdapter = ControllerProvider.GetDataAdapter(TableContext.XOTable);
DataAvail.XtraBindings.XtraBindingOperation oper = new DataAvail.XtraBindings.XtraBindingOperation(dataSource, dataAdapter, ControllerProvider.GetObjectCalculator(TableContext.XOTable));
XtraBinding xtraBinding = null;
if (TableContext.ShownChildrenRelations.Count() > 0)
{
xtraBinding = new DataAvail.XtraBindings.XtraBindingContainer(dataSource, oper);
foreach (XORelation rel in TableContext.ShownChildrenRelations)
{
DataAvail.XtraBindings.XtraBinding childBinding = CreateXtraBindingSource(rel.ChildTable.CreateTableChildContext(TableContext.Fields.First(p=>p.Name == rel.ParentField.Name)), ControllerProvider, new XtraBindingChildProperties(
xtraBinding, rel.ParentTable.Name, rel.ParentField.Name, rel.ChildTable.Name, rel.ChildField.Name));
((XtraBindingContainer)xtraBinding).Children.Add((XtraBindingChild)childBinding);
}
}
else if (ChildProperties != null)
{
xtraBinding = new DataAvail.XtraBindings.XtraBindingChild(dataSource, oper, ChildProperties);
}
else
{
xtraBinding = new XtraBinding(dataSource, oper);
}
return xtraBinding;
}
internal ItemSelectorController(XtraBinding XtraBinding, IControllerDynamicContext ControllerDynamicContext) :
base(XtraBinding, ControllerDynamicContext)
{
XORelation rel = this.TableContext.GetChildRelation(this.ChildFieldContext.XOField);
_valueFieldName = rel.ParentField.Name;
}
public XtraBindingUpdateSetRejectResult(XtraBinding XtraBinding, string PkFieldName, IEnumerable<XtraBindingStoredItem> Items)
{
xtraBinding = XtraBinding;
pkFieldName = PkFieldName;
items = Items;
}
public XtraBindingChildProperties(XtraBinding ParentBinding, string ParentObjectName, string ParentFieldName, string ChildObjectName, string FkFieldName)
{
parentBinding = ParentBinding;
parentFieldName = ParentFieldName;
fkFieldName = FkFieldName;
childObjectName = ChildObjectName;
parentObjectName = ParentObjectName;
}
public void Clear(XtraBinding XtraBinding, IEnumerable<object> PKs)
{
XtraBindingUpdateSetEntity enty = _entyties.FirstOrDefault(p => p.xtraBinding == XtraBinding);
if (enty != null)
{
string key = GetPkFieldName(XtraBinding);
foreach (XtraBindingStoredItem item in enty.StoredItems.Where(p => PKs.Contains(p.FieldsValues[key])).ToArray())
{
enty.StoredItems.Remove(item);
}
if (enty.StoredItems.Count == 0)
{
_entyties.Remove(enty);
}
}
}
public IEnumerable<XtraBindingUpdateSetUpdateResult> Update(XtraBinding XtraBinding, IEnumerable<object> PKs)
{
XtraBinding.xtraBindingOperation.BeginTransaction();
_updateSet.Clear();
try
{
OnUpdate(XtraBinding, PKs, null);
}
catch (System.Exception e)
{
XtraBinding.xtraBindingOperation.RollbackTransaction();
throw e;
}
XtraBinding.xtraBindingOperation.CommitTransaction();
return _updateSet;
}
public Controller(XtraBinding XtraBinding, IControllerDynamicContext ControllerDynamicContext)
{
_xtraBinding = XtraBinding;
_dynamicContext = ControllerDynamicContext;
_dataSources = new ControllerDataSourcesCollection(this);
_commands = new ControllerCommands(this);
_itemSelector = new ItemSelector(this);
_xtraBinding.Calculator.SetAppItemContext(TableContext);
CreateUI();
XtraBinding.xtraBindingOperation.EndFill += new XtraBindingOperationEndFillHandler(xtraBindingOperation_EndFill);
XtraBinding.CalulatorCalculated += new EventHandler(XtraBinding_CalulatorCalculated);
DynamicContext.TableContextChanged += new EventHandler(DynamicContext_TableContextChanged);
}
public IEnumerable<XtraBindingUpdateSetRejectResult> Reject(XtraBinding XtraBinding, IEnumerable<object> PKs)
{
_rejectSet.Clear();
OnReject(XtraBinding, PKs);
return _rejectSet;
}
/// <summary>
/// Update values of the items which contain XtraBinding's data source by the corresonding values from the stored items.
/// </summary>
internal void RefreshItems(XtraBinding XtraBinding)
{
string key = GetPkFieldName(XtraBinding);
IEnumerable<XtraBindingStoredItem> storedItems = GetStoredItems(XtraBinding);
if (XtraBinding is XtraBindingChild)
{
string fk = ((XtraBindingChild)XtraBinding).ChildProperties.fkFieldName;
_updateSetDataConverter.GetUnderlyingObjects(XtraBinding.DataSource,
storedItems.Where(p => p.FieldsValues[fk].Equals(((XtraBindingChild)XtraBinding).ParentPKValue)
&& p.State == XtraBindingStoredItemState.Added)
, true);
}
var r = storedItems.Select(p => new { i = XtraBinding.GetDataSourceItemsByValue(key, p.FieldsValues[key]).SingleOrDefault(), s = p }).Where(p => p.i != null);
foreach (var i in r.Where(p=>p.s.State == XtraBindingStoredItemState.Modifyed))
{
foreach (string fieldName in _updateSetDataConverter.GetFieldsNames(XtraBinding.DataSource))
{
XtraBinding.SetDataSourceItemValue(i.i, fieldName, i.s.FieldsValues[fieldName]);
}
i.s.UpdateDataSourceItem(i.i);
}
foreach (var i in r.Where(p => p.s.State == XtraBindingStoredItemState.Removed))
{
XtraBinding.BindingSource.Remove(i.i);
i.s.UpdateDataSourceItem(i.i);
}
foreach (var i in r.Where(p => p.s.State == XtraBindingStoredItemState.Added))
{
i.s.UpdateDataSourceItem(i.i);
}
}
private void OnReject(XtraBinding XtraBinding, IEnumerable<object> PKs)
{
if (XtraBinding is XtraBindingContainer)
{
foreach (XtraBindingChild childBinding in ((XtraBindingContainer)XtraBinding).Children)
{
IEnumerable<object> childrenPKs = PKs == null ? null : GetChildrenPKS(childBinding, PKs);
OnReject(childBinding, childrenPKs);
}
}
XtraBindingUpdateSetEntity enty = _entyties.FirstOrDefault(p => p.xtraBinding == XtraBinding);
if (enty != null)
{
string key = GetPkFieldName(XtraBinding);
IEnumerable<XtraBindingStoredItem> items = PKs == null ? enty.StoredItems : enty.StoredItems.Where(p => PKs.Contains(p.FieldsValues[key]));
_rejectSet.Add(new XtraBindingUpdateSetRejectResult(XtraBinding, key, items.ToArray()));
foreach (XtraBindingStoredItem item in items.ToArray())
{
enty.StoredItems.Remove(item);
}
if (enty.StoredItems.Count == 0)
{
_entyties.Remove(enty);
}
}
}
internal XtraBindingUpdateSetEntity(XtraBinding XtraBinding)
{
xtraBinding = XtraBinding;
}
internal IEnumerable<object> GetStoredItemsPKS(XtraBinding XtraBinding, IEnumerable<XtraBindingStoredItem> StoredItems)
{
string key = GetPkFieldName(XtraBinding);
return StoredItems.Select(p => p.FieldsValues[key]);
}
private void OnUpdate(XtraBinding XtraBinding, IEnumerable<object> PKs, IDictionary<object, object> ParentOldNewPKS)
{
XtraBindingUpdateSetEntity entry = _entyties.FirstOrDefault(p => p.xtraBinding == XtraBinding);
IDictionary<object, object> oldNewPks = PKs == null ? null : PKs.ToDictionary(k => k, v => v);
if (entry != null)
{
IEnumerable<object> pks = PKs ?? entry.StoredItems.Select(p => p.FieldsValues[GetPkFieldName(XtraBinding)]);
IDictionary<XtraBindingStoredItem, object> items = GetUnderlyingObjects(entry, pks);
if (ParentOldNewPKS != null)
SubstituteOldNewFKS(XtraBinding, items.Where(p=>p.Key.State != XtraBindingStoredItemState.Removed).Select(p=>p.Value), ParentOldNewPKS);
XtraBinding.xtraBindingOperation.Update(items.Values);
IEnumerable<object> newPKs = GetObjectsPKS(XtraBinding, items.Select(p=>p.Key.State != XtraBindingStoredItemState.Removed ? p.Value : null));
oldNewPks = pks.Select((p, k) => new { p, k }).ToDictionary(k => k.p, v => newPKs.ElementAt(v.k));
_updateSet.Add(new XtraBindingUpdateSetUpdateResult(XtraBinding, GetPkFieldName(XtraBinding), items.Keys, newPKs));
}
if (XtraBinding is XtraBindingContainer)
{
foreach (XtraBindingChild childBinding in ((XtraBindingContainer)XtraBinding).Children)
{
IEnumerable<object> childrenPKs = PKs == null ? null : GetChildrenPKS(childBinding, PKs);
OnUpdate(childBinding, childrenPKs, oldNewPks);
}
}
}
private string GetPkFieldName(XtraBinding XtraBinding)
{
return _updateSetDataConverter.GetPrimaryKeyFieldName(XtraBinding.DataSource);
}
private IDictionary<string, object> GetFieldsValues(XtraBinding XtraBinding, object UnderlyingItem)
{
return GetFieldsValues(XtraBinding.DataSource, UnderlyingItem);
}
/// <summary>
/// Get stored items for XtraBinding and his descendants
/// </summary>
internal IEnumerable<XtraBindingStoredItem> GetStoredItemsBatch(XtraBinding XtraBinding, IEnumerable<object> PKs)
{
List<XtraBindingStoredItem> items = new List<XtraBindingStoredItem>();
IEnumerable<XtraBindingStoredItem> ims = _entyties.Where(p => p.xtraBinding == XtraBinding).SelectMany(p => p.StoredItems);
if (PKs != null)
ims = ims.Where(p => PKs.Contains(p.FieldsValues[GetPkFieldName(XtraBinding)]));
items.AddRange(ims);
if (XtraBinding is XtraBindingContainer)
{
foreach(XtraBindingChild childBinding in ((XtraBindingContainer)XtraBinding).Children)
{
IEnumerable<object> childrenPKs = PKs == null ? null : GetChildrenPKS(childBinding, PKs);
items.AddRange(GetStoredItemsBatch(childBinding, childrenPKs));
}
}
return items;
}
/// <summary>
/// Get stored items only for XtraBinding
/// </summary>
internal IEnumerable<XtraBindingStoredItem> GetStoredItems(XtraBinding XtraBinding)
{
return _entyties.Where(p => p.xtraBinding == XtraBinding).SelectMany(p => p.StoredItems);
}
public Controller(XtraBinding XtraBinding, XOTableContext XOTableContext)
: this(XtraBinding, new ControllerDynamicContext(XOTableContext))
{ }
private void SubstituteOldNewFKS(XtraBinding XtraBinding, IEnumerable<object> UnderlyingObjects, IDictionary<object, object> ParentOldNewPKS)
{
if (XtraBinding is XtraBindingChild)
{
string fk = ((XtraBindingChild)XtraBinding).ChildProperties.fkFieldName;
string pk = GetPkFieldName(XtraBinding);
foreach (object underlyingItem in UnderlyingObjects)
{
object oldVal = _updateSetDataConverter.GetValue(underlyingItem, fk);
if (ParentOldNewPKS.Keys.Contains(oldVal))
{
object newVal = ParentOldNewPKS[oldVal];
if (newVal != null && !newVal.Equals(oldVal))
_updateSetDataConverter.SetValue(underlyingItem, fk, newVal);
}
}
}
}
internal IEnumerable<object> GetObjectsPKS(XtraBinding XtraBinding, IEnumerable<object> UnderlyingObjects)
{
string key = GetPkFieldName(XtraBinding);
return UnderlyingObjects.Select(p => p != null ? _updateSetDataConverter.GetValue(p, key) : null);
}
public XtraBindingUpdateSetUpdateResult(XtraBinding XtraBinding, string PkFieldName, IEnumerable<XtraBindingStoredItem> Items, IEnumerable<object> PKsAfterUpdate)
: base(XtraBinding, PkFieldName, Items)
{
pksAfterUpdate = PKsAfterUpdate;
}
