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-rw-r--r--packages/fcl-web/src/webdata/extjsjson.pp83
1 files changed, 75 insertions, 8 deletions
diff --git a/packages/fcl-web/src/webdata/extjsjson.pp b/packages/fcl-web/src/webdata/extjsjson.pp
index 9847a0d35c..447a223580 100644
--- a/packages/fcl-web/src/webdata/extjsjson.pp
+++ b/packages/fcl-web/src/webdata/extjsjson.pp
@@ -19,6 +19,7 @@ type
FRowIndex : integer;
function CheckData: Boolean;
Public
+ procedure reset; override;
Function GetNextBatch : Boolean; override;
Function TryFieldValue(Const AFieldName : String; out AValue : String) : Boolean; override;
Destructor destroy; override;
@@ -39,8 +40,13 @@ type
FBeforeRowToJSON: TJSONObjectEvent;
FOnErrorResponse: TJSONExceptionObjectEvent;
FOnMetaDataToJSON: TJSONObjectEvent;
- procedure SendSuccess(ResponseContent: TStream; AddIDValue : Boolean = False; CallBack : TJSONObjectEvent = Nil);
+ FBatchResult : TJSONArray;
+ Function AddIdToBatch : TJSONObject;
+ procedure SendSuccess(ResponseContent: TStream; AddIDValue : Boolean = False);
protected
+ Procedure StartBatch(ResponseContent : TStream); override;
+ Procedure NextBatchItem(ResponseContent : TStream); override;
+ Procedure EndBatch(ResponseContent : TStream); override;
Function CreateAdaptor(ARequest : TRequest) : TCustomWebdataInputAdaptor; override;
Function AddFieldToJSON(O: TJSONObject; AFieldName: String; F: TField): TJSONData;
function GetDataContentType: String; override;
@@ -56,6 +62,8 @@ type
Procedure DoInsertRecord(ResponseContent : TStream); override;
Procedure DoUpdateRecord(ResponseContent : TStream); override;
Procedure DoDeleteRecord(ResponseContent : TStream); override;
+ Public
+ Destructor destroy; override;
Published
// Called before any fields are added to row object (passed to handler).
Property AfterRowToJSON : TJSONObjectEvent Read FAfterRowToJSON Write FAfterRowToJSON;
@@ -369,6 +377,7 @@ begin
L:=Resp.AsJSON;
If Length(L)>0 then
ResponseContent.WriteBuffer(L[1],Length(L));
+ Resp.Add('root',RowsProperty);
Resp.Add(RowsProperty,TJSONArray.Create());
If Assigned(FOnErrorResponse) then
FOnErrorResponse(Self,E,Resp);
@@ -377,7 +386,7 @@ begin
end;
end;
-procedure TExtJSJSONDataFormatter.SendSuccess(ResponseContent: TStream; AddIDValue : Boolean = False; CallBack : TJSONObjectEvent = Nil);
+procedure TExtJSJSONDataFormatter.SendSuccess(ResponseContent: TStream; AddIDValue : Boolean = False);
Var
Resp : TJSonObject;
@@ -387,9 +396,14 @@ begin
try
Resp:=TJsonObject.Create;
Resp.Add(SuccessProperty,True);
- Resp.Add(Provider.IDFieldName,Provider.IDFieldValue);
- If Assigned(CallBack) then
- CallBack(Self,Resp);
+ Resp.Add('root',Self.RowsProperty);
+ If Assigned(FBatchResult) and (FBatchResult.Count>0) then
+ begin
+ Resp.Add(Self.RowsProperty,FBatchResult);
+ FBatchResult:=Nil;
+ end
+ else
+ Resp.Add(Self.RowsProperty,TJSONNull.Create());
L:=Resp.AsJSON;
ResponseContent.WriteBuffer(L[1],Length(L));
finally
@@ -397,23 +411,65 @@ begin
end;
end;
+procedure TExtJSJSONDataFormatter.StartBatch(ResponseContent: TStream);
+begin
+ If Assigned(FBatchResult) then
+ FBatchResult.Clear
+ else
+ FBatchResult:=TJSONArray.Create();
+end;
+
+procedure TExtJSJSONDataFormatter.NextBatchItem(ResponseContent: TStream);
+begin
+end;
+
+procedure TExtJSJSONDataFormatter.EndBatch(ResponseContent: TStream);
+begin
+ SendSuccess(Responsecontent,True);
+end;
+
+Function TExtJSJSONDataFormatter.AddIdToBatch : TJSONObject;
+
+begin
+ Result:=TJSONObject.Create([Provider.IDFieldName,Provider.IDFieldValue]);
+ FBatchResult.Add(Result);
+end;
+
procedure TExtJSJSONDataFormatter.DoInsertRecord(ResponseContent: TStream);
+Var
+ D : TJSONObject;
+
begin
Inherited;
- SendSuccess(ResponseContent,True,FAfterInsert);
+ D:=AddIDToBatch;
+ If Assigned(FAfterInsert) then
+ FAfterInsert(Self,D);
end;
procedure TExtJSJSONDataFormatter.DoUpdateRecord(ResponseContent: TStream);
+
+Var
+ D : TJSONObject;
+
begin
inherited DoUpdateRecord(ResponseContent);
- SendSuccess(ResponseContent,False,FAfterUpdate);
+ D:=AddIDToBatch;
+ If Assigned(FAfterUpdate) then
+ FAfterUpdate(Self,D);
end;
procedure TExtJSJSONDataFormatter.DoDeleteRecord(ResponseContent: TStream);
begin
inherited DoDeleteRecord(ResponseContent);
- SendSuccess(ResponseContent,False,FAfterDelete);
+ If Assigned(FAfterDelete) then
+ FAfterDelete(Self,Nil);
+end;
+
+destructor TExtJSJSONDataFormatter.destroy;
+begin
+ FreeAndNil(FBatchResult);
+ inherited destroy;
end;
{ TExtJSJSonWebdataInputAdaptor }
@@ -459,6 +515,17 @@ begin
end;
end;
+procedure TExtJSJSonWebdataInputAdaptor.reset;
+begin
+ If (FRows=Nil) then
+ FreeAndNil(FCurrentRow)
+ else
+ FreeAndNil(FRows);
+ FRowIndex:=0;
+ FreeAndNil(FIDValue);
+ inherited reset;
+end;
+
function TExtJSJSonWebdataInputAdaptor.GetNextBatch: Boolean;
begin
If (FRows=Nil) then