571 lines
20 KiB
ObjectPascal
571 lines
20 KiB
ObjectPascal
|
|
||
|
|
{******************************************}
|
||
|
|
{ }
|
||
|
|
{ FastScript v1.9 }
|
||
|
|
{ DB.pas classes and functions }
|
||
|
|
{ }
|
||
|
|
{ (c) 2003-2007 by Alexander Tzyganenko, }
|
||
|
|
{ Fast Reports Inc }
|
||
|
|
{ }
|
||
|
|
{******************************************}
|
||
|
|
|
||
|
|
unit FMX.fs_idbrtti;
|
||
|
|
|
||
|
|
interface
|
||
|
|
|
||
|
|
{$i fs.inc}
|
||
|
|
|
||
|
|
uses
|
||
|
|
System.Types, System.SysUtils, System.Classes, FMX.fs_iinterpreter, FMX.fs_itools, FMX.fs_iclassesrtti, FMX.fs_ievents,
|
||
|
|
Data.DB, FMX.Types;
|
||
|
|
|
||
|
|
type
|
||
|
|
{$i frxPlatformsAttribute.inc}
|
||
|
|
TfsDBRTTI = class(TComponent); // fake component
|
||
|
|
|
||
|
|
TfsDatasetNotifyEvent = class(TfsCustomEvent)
|
||
|
|
public
|
||
|
|
procedure DoEvent(Dataset: TDataset);
|
||
|
|
function GetMethod: Pointer; override;
|
||
|
|
end;
|
||
|
|
|
||
|
|
TfsFilterRecordEvent = class(TfsCustomEvent)
|
||
|
|
public
|
||
|
|
procedure DoEvent(DataSet: TDataSet; var Accept: Boolean);
|
||
|
|
function GetMethod: Pointer; override;
|
||
|
|
end;
|
||
|
|
|
||
|
|
TfsFieldGetTextEvent = class(TfsCustomEvent)
|
||
|
|
public
|
||
|
|
procedure DoEvent(Sender: TField; var Text: String; DisplayText: Boolean);
|
||
|
|
function GetMethod: Pointer; override;
|
||
|
|
end;
|
||
|
|
|
||
|
|
|
||
|
|
implementation
|
||
|
|
|
||
|
|
type
|
||
|
|
TFunctions = class(TfsRTTIModule)
|
||
|
|
private
|
||
|
|
function CallMethod(Instance: TObject; ClassType: TClass;
|
||
|
|
const MethodName: String; Caller: TfsMethodHelper): Variant;
|
||
|
|
function GetProp(Instance: TObject; ClassType: TClass;
|
||
|
|
const PropName: String): Variant;
|
||
|
|
procedure SetProp(Instance: TObject; ClassType: TClass;
|
||
|
|
const PropName: String; Value: Variant);
|
||
|
|
public
|
||
|
|
constructor Create(AScript: TfsScript); override;
|
||
|
|
end;
|
||
|
|
|
||
|
|
|
||
|
|
{ TfsDatasetNotifyEvent }
|
||
|
|
|
||
|
|
procedure TfsDatasetNotifyEvent.DoEvent(Dataset: TDataset);
|
||
|
|
begin
|
||
|
|
CallHandler([Dataset]);
|
||
|
|
end;
|
||
|
|
|
||
|
|
function TfsDatasetNotifyEvent.GetMethod: Pointer;
|
||
|
|
begin
|
||
|
|
Result := @TfsDatasetNotifyEvent.DoEvent;
|
||
|
|
end;
|
||
|
|
|
||
|
|
|
||
|
|
{ TfsFilterRecordEvent }
|
||
|
|
|
||
|
|
procedure TfsFilterRecordEvent.DoEvent(DataSet: TDataSet; var Accept: Boolean);
|
||
|
|
begin
|
||
|
|
CallHandler([DataSet, Accept]);
|
||
|
|
Accept := Handler.Params[1].Value;
|
||
|
|
end;
|
||
|
|
|
||
|
|
function TfsFilterRecordEvent.GetMethod: Pointer;
|
||
|
|
begin
|
||
|
|
Result := @TfsFilterRecordEvent.DoEvent;
|
||
|
|
end;
|
||
|
|
|
||
|
|
|
||
|
|
{ TfsFieldGetTextEvent }
|
||
|
|
|
||
|
|
procedure TfsFieldGetTextEvent.DoEvent(Sender: TField; var Text: String; DisplayText: Boolean);
|
||
|
|
begin
|
||
|
|
CallHandler([Sender, Text, DisplayText]);
|
||
|
|
Text := Handler.Params[1].Value;
|
||
|
|
end;
|
||
|
|
|
||
|
|
function TfsFieldGetTextEvent.GetMethod: Pointer;
|
||
|
|
begin
|
||
|
|
Result := @TfsFieldGetTextEvent.DoEvent;
|
||
|
|
end;
|
||
|
|
|
||
|
|
|
||
|
|
{ TFunctions }
|
||
|
|
|
||
|
|
constructor TFunctions.Create(AScript: TfsScript);
|
||
|
|
begin
|
||
|
|
inherited Create(AScript);
|
||
|
|
with AScript do
|
||
|
|
begin
|
||
|
|
AddEnum('TFieldType', 'ftUnknown, ftString, ftSmallint, ftInteger, ftWord,' +
|
||
|
|
'ftBoolean, ftFloat, ftCurrency, ftBCD, ftDate, ftTime, ftDateTime,' +
|
||
|
|
'ftBytes, ftVarBytes, ftAutoInc, ftBlob, ftMemo, ftGraphic, ftFmtMemo,' +
|
||
|
|
'ftParadoxOle, ftDBaseOle, ftTypedBinary, ftCursor, ftFixedChar, ftWideString,' +
|
||
|
|
'ftLargeint, ftADT, ftArray, ftReference, ftDataSet, ftOraBlob, ftOraClob,' +
|
||
|
|
'ftVariant, ftInterface, ftIDispatch, ftGuid, ftTimeStamp, ftFMTBcd');
|
||
|
|
AddEnum('TBlobStreamMode', 'bmRead, bmWrite, bmReadWrite');
|
||
|
|
AddEnumSet('TLocateOptions', 'loCaseInsensitive, loPartialKey');
|
||
|
|
AddEnumSet('TFilterOptions', 'foCaseInsensitive, foNoPartialCompare');
|
||
|
|
AddEnum('TParamType', 'ptUnknown, ptInput, ptOutput, ptInputOutput, ptResult');
|
||
|
|
|
||
|
|
with AddClass(TField, 'TComponent') do
|
||
|
|
begin
|
||
|
|
AddProperty('AsBoolean', 'Boolean', GetProp, SetProp);
|
||
|
|
AddProperty('AsCurrency', 'Currency', GetProp, SetProp);
|
||
|
|
AddProperty('AsDateTime', 'TDateTime', GetProp, SetProp);
|
||
|
|
AddProperty('AsFloat', 'Double', GetProp, SetProp);
|
||
|
|
AddProperty('AsInteger', 'Integer', GetProp, SetProp);
|
||
|
|
AddProperty('AsString', 'String', GetProp, SetProp);
|
||
|
|
AddProperty('AsVariant', 'Variant', GetProp, SetProp);
|
||
|
|
AddProperty('DataType', 'TFieldType', GetProp, nil);
|
||
|
|
AddProperty('DisplayName', 'String', GetProp, nil);
|
||
|
|
AddProperty('DisplayText', 'String', GetProp, nil);
|
||
|
|
AddProperty('IsNull', 'Boolean', GetProp, nil);
|
||
|
|
AddProperty('Size', 'Integer', GetProp, SetProp);
|
||
|
|
AddProperty('Value', 'Variant', GetProp, SetProp);
|
||
|
|
AddProperty('OldValue', 'Variant', GetProp, nil);
|
||
|
|
AddEvent('OnGetText', TfsFieldGetTextEvent);
|
||
|
|
end;
|
||
|
|
with AddClass(TFields, 'TObject') do
|
||
|
|
AddDefaultProperty('Fields', 'Integer', 'TField', CallMethod, True);
|
||
|
|
AddClass(TStringField, 'TField');
|
||
|
|
AddClass(TNumericField, 'TField');
|
||
|
|
AddClass(TIntegerField, 'TNumericField');
|
||
|
|
AddClass(TSmallIntField, 'TIntegerField');
|
||
|
|
AddClass(TWordField, 'TIntegerField');
|
||
|
|
AddClass(TAutoIncField, 'TIntegerField');
|
||
|
|
AddClass(TFloatField, 'TNumericField');
|
||
|
|
AddClass(TCurrencyField, 'TFloatField');
|
||
|
|
AddClass(TBooleanField, 'TField');
|
||
|
|
AddClass(TDateTimeField, 'TField');
|
||
|
|
AddClass(TDateField, 'TDateTimeField');
|
||
|
|
AddClass(TTimeField, 'TDateTimeField');
|
||
|
|
AddClass(TBinaryField, 'TField');
|
||
|
|
AddClass(TBytesField, 'TBinaryField');
|
||
|
|
AddClass(TVarBytesField, 'TBinaryField');
|
||
|
|
AddClass(TBCDField, 'TNumericField');
|
||
|
|
with AddClass(TBlobField, 'TField') do
|
||
|
|
begin
|
||
|
|
AddMethod('procedure LoadFromFile(const FileName: String)', CallMethod);
|
||
|
|
AddMethod('procedure LoadFromStream(Stream: TStream)', CallMethod);
|
||
|
|
AddMethod('procedure SaveToFile(const FileName: String)', CallMethod);
|
||
|
|
AddMethod('procedure SaveToStream(Stream: TStream)', CallMethod);
|
||
|
|
end;
|
||
|
|
AddClass(TMemoField, 'TBlobField');
|
||
|
|
AddClass(TGraphicField, 'TBlobField');
|
||
|
|
AddClass(TFieldDef, 'TPersistent');
|
||
|
|
with AddClass(TFieldDefs, 'TObject') do
|
||
|
|
begin
|
||
|
|
AddMethod('function AddFieldDef: TFieldDef', CallMethod);
|
||
|
|
AddMethod('function Find(const Name: string): TFieldDef', CallMethod);
|
||
|
|
AddMethod('procedure Add(const Name: string; DataType: TFieldType; Size: Word; Required: Boolean)', CallMethod);
|
||
|
|
AddMethod('procedure Clear', CallMethod);
|
||
|
|
AddMethod('procedure Update', CallMethod);
|
||
|
|
AddDefaultProperty('Items', 'Integer', 'TFieldDef', CallMethod, True);
|
||
|
|
end;
|
||
|
|
AddClass(TDataSource, 'TComponent');
|
||
|
|
AddType('TBookmark', fvtVariant);
|
||
|
|
with AddClass(TDataSet, 'TComponent') do
|
||
|
|
begin
|
||
|
|
AddMethod('procedure Open', CallMethod);
|
||
|
|
AddMethod('procedure Close', CallMethod);
|
||
|
|
AddMethod('procedure First', CallMethod);
|
||
|
|
AddMethod('procedure Last', CallMethod);
|
||
|
|
AddMethod('procedure Next', CallMethod);
|
||
|
|
AddMethod('procedure Prior', CallMethod);
|
||
|
|
AddMethod('procedure Cancel', CallMethod);
|
||
|
|
AddMethod('procedure Delete', CallMethod);
|
||
|
|
AddMethod('procedure Post', CallMethod);
|
||
|
|
AddMethod('procedure Append', CallMethod);
|
||
|
|
AddMethod('procedure Insert', CallMethod);
|
||
|
|
AddMethod('procedure Edit', CallMethod);
|
||
|
|
|
||
|
|
AddMethod('function FieldByName(const FieldName: string): TField', CallMethod);
|
||
|
|
AddMethod('procedure GetFieldNames(List: TStrings)', CallMethod);
|
||
|
|
AddMethod('function FindFirst: Boolean', CallMethod);
|
||
|
|
AddMethod('function FindLast: Boolean', CallMethod);
|
||
|
|
AddMethod('function FindNext: Boolean', CallMethod);
|
||
|
|
AddMethod('function FindPrior: Boolean', CallMethod);
|
||
|
|
AddMethod('procedure FreeBookmark(Bookmark: TBookmark)', CallMethod);
|
||
|
|
AddMethod('function GetBookmark: TBookmark', CallMethod);
|
||
|
|
AddMethod('procedure GotoBookmark(Bookmark: TBookmark)', CallMethod);
|
||
|
|
AddMethod('function Locate(const KeyFields: string; const KeyValues: Variant;' +
|
||
|
|
'Options: TLocateOptions): Boolean', CallMethod);
|
||
|
|
AddMethod('function IsEmpty: Boolean', CallMethod);
|
||
|
|
AddMethod('procedure EnableControls', CallMethod);
|
||
|
|
AddMethod('procedure DisableControls', CallMethod);
|
||
|
|
|
||
|
|
AddProperty('Bof', 'Boolean', GetProp, nil);
|
||
|
|
AddProperty('Eof', 'Boolean', GetProp, nil);
|
||
|
|
AddProperty('FieldCount', 'Integer', GetProp, nil);
|
||
|
|
AddProperty('FieldDefs', 'TFieldDefs', GetProp, nil);
|
||
|
|
AddProperty('Fields', 'TFields', GetProp, nil);
|
||
|
|
AddProperty('Filter', 'string', GetProp, SetProp);
|
||
|
|
AddProperty('Filtered', 'Boolean', GetProp, SetProp);
|
||
|
|
AddProperty('FilterOptions', 'TFilterOptions', GetProp, SetProp);
|
||
|
|
AddProperty('Active', 'Boolean', GetProp, SetProp);
|
||
|
|
|
||
|
|
AddEvent('BeforeOpen', TfsDatasetNotifyEvent);
|
||
|
|
AddEvent('AfterOpen', TfsDatasetNotifyEvent);
|
||
|
|
AddEvent('BeforeClose', TfsDatasetNotifyEvent);
|
||
|
|
AddEvent('AfterClose', TfsDatasetNotifyEvent);
|
||
|
|
AddEvent('BeforeInsert', TfsDatasetNotifyEvent);
|
||
|
|
AddEvent('AfterInsert', TfsDatasetNotifyEvent);
|
||
|
|
AddEvent('BeforeEdit', TfsDatasetNotifyEvent);
|
||
|
|
AddEvent('AfterEdit', TfsDatasetNotifyEvent);
|
||
|
|
AddEvent('BeforePost', TfsDatasetNotifyEvent);
|
||
|
|
AddEvent('AfterPost', TfsDatasetNotifyEvent);
|
||
|
|
AddEvent('BeforeCancel', TfsDatasetNotifyEvent);
|
||
|
|
AddEvent('AfterCancel', TfsDatasetNotifyEvent);
|
||
|
|
AddEvent('BeforeDelete', TfsDatasetNotifyEvent);
|
||
|
|
AddEvent('AfterDelete', TfsDatasetNotifyEvent);
|
||
|
|
AddEvent('BeforeScroll', TfsDatasetNotifyEvent);
|
||
|
|
AddEvent('AfterScroll', TfsDatasetNotifyEvent);
|
||
|
|
AddEvent('OnCalcFields', TfsDatasetNotifyEvent);
|
||
|
|
AddEvent('OnFilterRecord', TfsFilterRecordEvent);
|
||
|
|
AddEvent('OnNewRecord', TfsDatasetNotifyEvent);
|
||
|
|
end;
|
||
|
|
|
||
|
|
with AddClass(TParam, 'TPersistent') do
|
||
|
|
begin
|
||
|
|
AddMethod('procedure Clear', CallMethod);
|
||
|
|
AddProperty('AsBoolean', 'Boolean', GetProp, SetProp);
|
||
|
|
AddProperty('AsCurrency', 'Currency', GetProp, SetProp);
|
||
|
|
AddProperty('AsDateTime', 'TDateTime', GetProp, SetProp);
|
||
|
|
AddProperty('AsFloat', 'Double', GetProp, SetProp);
|
||
|
|
AddProperty('AsInteger', 'Integer', GetProp, SetProp);
|
||
|
|
AddProperty('AsDate', 'TDate', GetProp, SetProp);
|
||
|
|
AddProperty('AsTime', 'TTime', GetProp, SetProp);
|
||
|
|
AddProperty('AsString', 'String', GetProp, SetProp);
|
||
|
|
AddProperty('Bound', 'Boolean', GetProp, SetProp);
|
||
|
|
AddProperty('IsNull', 'Boolean', GetProp, nil);
|
||
|
|
AddProperty('Text', 'String', GetProp, SetProp);
|
||
|
|
end;
|
||
|
|
with AddClass(TParams, 'TPersistent') do
|
||
|
|
begin
|
||
|
|
AddMethod('function ParamByName(const Value: string): TParam', CallMethod);
|
||
|
|
AddMethod('function FindParam(const Value: string): TParam', CallMethod);
|
||
|
|
AddDefaultProperty('Items', 'Integer', 'TParam', CallMethod, True);
|
||
|
|
end;
|
||
|
|
end;
|
||
|
|
end;
|
||
|
|
|
||
|
|
function TFunctions.CallMethod(Instance: TObject; ClassType: TClass;
|
||
|
|
const MethodName: String; Caller: TfsMethodHelper): Variant;
|
||
|
|
var
|
||
|
|
_TDataSet: TDataSet;
|
||
|
|
|
||
|
|
function IntToLocateOptions(i: Integer): TLocateOptions;
|
||
|
|
begin
|
||
|
|
Result := [];
|
||
|
|
if (i and 1) <> 0 then
|
||
|
|
Result := Result + [loCaseInsensitive];
|
||
|
|
if (i and 2) <> 0 then
|
||
|
|
Result := Result + [loPartialKey];
|
||
|
|
end;
|
||
|
|
|
||
|
|
begin
|
||
|
|
Result := 0;
|
||
|
|
|
||
|
|
if ClassType = TFields then
|
||
|
|
begin
|
||
|
|
if MethodName = 'FIELDS.GET' then
|
||
|
|
Result := frxInteger(TFields(Instance)[Caller.Params[0]])
|
||
|
|
end
|
||
|
|
else if ClassType = TFieldDefs then
|
||
|
|
begin
|
||
|
|
if MethodName = 'ITEMS.GET' then
|
||
|
|
Result := frxInteger(TFieldDefs(Instance)[Caller.Params[0]])
|
||
|
|
else if MethodName = 'ADD' then
|
||
|
|
TFieldDefs(Instance).Add(Caller.Params[0], TFieldType(Caller.Params[1]), Caller.Params[2], Caller.Params[3])
|
||
|
|
else if MethodName = 'ADDFIELDDEF' then
|
||
|
|
Result := frxInteger(TFieldDefs(Instance).AddFieldDef)
|
||
|
|
else if MethodName = 'CLEAR' then
|
||
|
|
TFieldDefs(Instance).Clear
|
||
|
|
else if MethodName = 'FIND' then
|
||
|
|
Result := frxInteger(TFieldDefs(Instance).Find(Caller.Params[0]))
|
||
|
|
else if MethodName = 'UPDATE' then
|
||
|
|
TFieldDefs(Instance).Update
|
||
|
|
end
|
||
|
|
else if ClassType = TBlobField then
|
||
|
|
begin
|
||
|
|
if MethodName = 'LOADFROMFILE' then
|
||
|
|
TBlobField(Instance).LoadFromFile(Caller.Params[0])
|
||
|
|
else if MethodName = 'LOADFROMSTREAM' then
|
||
|
|
TBlobField(Instance).LoadFromStream(TStream(frxInteger(Caller.Params[0])))
|
||
|
|
else if MethodName = 'SAVETOFILE' then
|
||
|
|
TBlobField(Instance).SaveToFile(Caller.Params[0])
|
||
|
|
else if MethodName = 'SAVETOSTREAM' then
|
||
|
|
TBlobField(Instance).SaveToStream(TStream(frxInteger(Caller.Params[0])))
|
||
|
|
end
|
||
|
|
else if ClassType = TDataSet then
|
||
|
|
begin
|
||
|
|
_TDataSet := TDataSet(Instance);
|
||
|
|
if MethodName = 'OPEN' then
|
||
|
|
_TDataSet.Open
|
||
|
|
else if MethodName = 'CLOSE' then
|
||
|
|
_TDataSet.Close
|
||
|
|
else if MethodName = 'FIRST' then
|
||
|
|
_TDataSet.First
|
||
|
|
else if MethodName = 'LAST' then
|
||
|
|
_TDataSet.Last
|
||
|
|
else if MethodName = 'NEXT' then
|
||
|
|
_TDataSet.Next
|
||
|
|
else if MethodName = 'PRIOR' then
|
||
|
|
_TDataSet.Prior
|
||
|
|
else if MethodName = 'CANCEL' then
|
||
|
|
_TDataSet.Cancel
|
||
|
|
else if MethodName = 'DELETE' then
|
||
|
|
_TDataSet.Delete
|
||
|
|
else if MethodName = 'POST' then
|
||
|
|
_TDataSet.Post
|
||
|
|
else if MethodName = 'APPEND' then
|
||
|
|
_TDataSet.Append
|
||
|
|
else if MethodName = 'INSERT' then
|
||
|
|
_TDataSet.Insert
|
||
|
|
else if MethodName = 'EDIT' then
|
||
|
|
_TDataSet.Edit
|
||
|
|
else if MethodName = 'FIELDBYNAME' then
|
||
|
|
Result := frxInteger(_TDataSet.FieldByName(Caller.Params[0]))
|
||
|
|
else if MethodName = 'GETFIELDNAMES' then
|
||
|
|
_TDataSet.GetFieldNames(TStrings(frxInteger(Caller.Params[0])))
|
||
|
|
else if MethodName = 'FINDFIRST' then
|
||
|
|
Result := _TDataSet.FindFirst
|
||
|
|
else if MethodName = 'FINDLAST' then
|
||
|
|
Result := _TDataSet.FindLast
|
||
|
|
else if MethodName = 'FINDNEXT' then
|
||
|
|
Result := _TDataSet.FindNext
|
||
|
|
else if MethodName = 'FINDPRIOR' then
|
||
|
|
Result := _TDataSet.FindPrior
|
||
|
|
else if MethodName = 'FREEBOOKMARK' then
|
||
|
|
_TDataSet.FreeBookmark(TBookMark(frxInteger(Caller.Params[0])))
|
||
|
|
{$IFNDEF CPUX64}
|
||
|
|
else if MethodName = 'GETBOOKMARK' then
|
||
|
|
Result := frxInteger(_TDataSet.GetBookmark)
|
||
|
|
{$ENDIF}
|
||
|
|
else if MethodName = 'GOTOBOOKMARK' then
|
||
|
|
_TDataSet.GotoBookmark(TBookMark(frxInteger(Caller.Params[0])))
|
||
|
|
else if MethodName = 'LOCATE' then
|
||
|
|
Result := _TDataSet.Locate(Caller.Params[0], Caller.Params[1], IntToLocateOptions(Caller.Params[2]))
|
||
|
|
else if MethodName = 'ISEMPTY' then
|
||
|
|
Result := _TDataSet.IsEmpty
|
||
|
|
else if MethodName = 'ENABLECONTROLS' then
|
||
|
|
_TDataSet.EnableControls
|
||
|
|
else if MethodName = 'DISABLECONTROLS' then
|
||
|
|
_TDataSet.DisableControls
|
||
|
|
end
|
||
|
|
else if ClassType = TParam then
|
||
|
|
begin
|
||
|
|
if MethodName = 'CLEAR' then
|
||
|
|
TParam(Instance).Clear
|
||
|
|
end
|
||
|
|
else if ClassType = TParams then
|
||
|
|
begin
|
||
|
|
if MethodName = 'PARAMBYNAME' then
|
||
|
|
Result := frxInteger(TParams(Instance).ParamByName(Caller.Params[0]))
|
||
|
|
else if MethodName = 'FINDPARAM' then
|
||
|
|
Result := frxInteger(TParams(Instance).FindParam(Caller.Params[0]))
|
||
|
|
else if MethodName = 'ITEMS.GET' then
|
||
|
|
Result := frxInteger(TParams(Instance)[Caller.Params[0]])
|
||
|
|
end
|
||
|
|
end;
|
||
|
|
|
||
|
|
function TFunctions.GetProp(Instance: TObject; ClassType: TClass;
|
||
|
|
const PropName: String): Variant;
|
||
|
|
var
|
||
|
|
_TField: TField;
|
||
|
|
_TParam: TParam;
|
||
|
|
_TDataSet: TDataSet;
|
||
|
|
|
||
|
|
function FilterOptionsToInt(f: TFilterOptions): Integer;
|
||
|
|
begin
|
||
|
|
Result := 0;
|
||
|
|
if foCaseInsensitive in f then
|
||
|
|
Result := Result or 1;
|
||
|
|
if foNoPartialCompare in f then
|
||
|
|
Result := Result or 2;
|
||
|
|
end;
|
||
|
|
|
||
|
|
begin
|
||
|
|
Result := 0;
|
||
|
|
|
||
|
|
if ClassType = TField then
|
||
|
|
begin
|
||
|
|
_TField := TField(Instance);
|
||
|
|
if PropName = 'ASBOOLEAN' then
|
||
|
|
Result := _TField.AsBoolean
|
||
|
|
else if PropName = 'ASCURRENCY' then
|
||
|
|
Result := _TField.AsCurrency
|
||
|
|
else if PropName = 'ASDATETIME' then
|
||
|
|
Result := _TField.AsDateTime
|
||
|
|
else if PropName = 'ASFLOAT' then
|
||
|
|
Result := _TField.AsFloat
|
||
|
|
else if PropName = 'ASINTEGER' then
|
||
|
|
Result := _TField.AsInteger
|
||
|
|
else if PropName = 'ASSTRING' then
|
||
|
|
Result := _TField.AsString
|
||
|
|
else if PropName = 'ASVARIANT' then
|
||
|
|
Result := _TField.AsVariant
|
||
|
|
else if PropName = 'DATATYPE' then
|
||
|
|
Result := _TField.DataType
|
||
|
|
else if PropName = 'DISPLAYNAME' then
|
||
|
|
Result := _TField.DisplayName
|
||
|
|
else if PropName = 'DISPLAYTEXT' then
|
||
|
|
Result := _TField.DisplayText
|
||
|
|
else if PropName = 'ISNULL' then
|
||
|
|
Result := _TField.IsNull
|
||
|
|
else if PropName = 'SIZE' then
|
||
|
|
Result := _TField.Size
|
||
|
|
else if PropName = 'VALUE' then
|
||
|
|
Result := _TField.Value
|
||
|
|
else if PropName = 'OLDVALUE' then
|
||
|
|
Result := _TField.OldValue
|
||
|
|
end
|
||
|
|
else if ClassType = TDataSet then
|
||
|
|
begin
|
||
|
|
_TDataSet := TDataSet(Instance);
|
||
|
|
if PropName = 'BOF' then
|
||
|
|
Result := _TDataSet.Bof
|
||
|
|
else if PropName = 'EOF' then
|
||
|
|
Result := _TDataSet.Eof
|
||
|
|
else if PropName = 'FIELDCOUNT' then
|
||
|
|
Result := _TDataSet.FieldCount
|
||
|
|
else if PropName = 'FIELDDEFS' then
|
||
|
|
Result := frxInteger(_TDataSet.FieldDefs)
|
||
|
|
else if PropName = 'FIELDS' then
|
||
|
|
Result := frxInteger(_TDataSet.Fields)
|
||
|
|
else if PropName = 'FILTER' then
|
||
|
|
Result := _TDataSet.Filter
|
||
|
|
else if PropName = 'FILTERED' then
|
||
|
|
Result := _TDataSet.Filtered
|
||
|
|
else if PropName = 'FILTEROPTIONS' then
|
||
|
|
Result := FilterOptionsToInt(_TDataSet.FilterOptions)
|
||
|
|
else if PropName = 'ACTIVE' then
|
||
|
|
Result := _TDataSet.Active
|
||
|
|
end
|
||
|
|
else if ClassType = TParam then
|
||
|
|
begin
|
||
|
|
_TParam := TParam(Instance);
|
||
|
|
if PropName = 'BOUND' then
|
||
|
|
Result := _TParam.Bound
|
||
|
|
else if PropName = 'ISNULL' then
|
||
|
|
Result := _TParam.IsNull
|
||
|
|
else if PropName = 'TEXT' then
|
||
|
|
Result := _TParam.Text
|
||
|
|
else if PropName = 'ASBOOLEAN' then
|
||
|
|
Result := _TParam.AsBoolean
|
||
|
|
else if PropName = 'ASCURRENCY' then
|
||
|
|
Result := _TParam.AsCurrency
|
||
|
|
else if PropName = 'ASDATETIME' then
|
||
|
|
Result := _TParam.AsDateTime
|
||
|
|
else if PropName = 'ASFLOAT' then
|
||
|
|
Result := _TParam.AsFloat
|
||
|
|
else if PropName = 'ASINTEGER' then
|
||
|
|
Result := _TParam.AsInteger
|
||
|
|
else if PropName = 'ASDATE' then
|
||
|
|
Result := _TParam.AsDate
|
||
|
|
else if PropName = 'ASTIME' then
|
||
|
|
Result := _TParam.AsTime
|
||
|
|
else if PropName = 'ASSTRING' then
|
||
|
|
Result := _TParam.AsString
|
||
|
|
end
|
||
|
|
end;
|
||
|
|
|
||
|
|
procedure TFunctions.SetProp(Instance: TObject; ClassType: TClass;
|
||
|
|
const PropName: String; Value: Variant);
|
||
|
|
var
|
||
|
|
_TField: TField;
|
||
|
|
_TParam: TParam;
|
||
|
|
_TDataSet: TDataSet;
|
||
|
|
|
||
|
|
function IntToFilterOptions(i: Integer): TFilterOptions;
|
||
|
|
begin
|
||
|
|
Result := [];
|
||
|
|
if (i and 1) <> 0 then
|
||
|
|
Result := Result + [foCaseInsensitive];
|
||
|
|
if (i and 2) <> 0 then
|
||
|
|
Result := Result + [foNoPartialCompare];
|
||
|
|
end;
|
||
|
|
|
||
|
|
begin
|
||
|
|
if ClassType = TField then
|
||
|
|
begin
|
||
|
|
_TField := TField(Instance);
|
||
|
|
if PropName = 'ASBOOLEAN' then
|
||
|
|
_TField.AsBoolean := Value
|
||
|
|
else if PropName = 'ASCURRENCY' then
|
||
|
|
_TField.AsCurrency := Value
|
||
|
|
else if PropName = 'ASDATETIME' then
|
||
|
|
_TField.AsDateTime := Value
|
||
|
|
else if PropName = 'ASFLOAT' then
|
||
|
|
_TField.AsFloat := Value
|
||
|
|
else if PropName = 'ASINTEGER' then
|
||
|
|
_TField.AsInteger := Value
|
||
|
|
else if PropName = 'ASSTRING' then
|
||
|
|
_TField.AsString := Value
|
||
|
|
else if PropName = 'ASVARIANT' then
|
||
|
|
_TField.AsVariant := Value
|
||
|
|
else if PropName = 'VALUE' then
|
||
|
|
_TField.Value := Value
|
||
|
|
else if PropName = 'SIZE' then
|
||
|
|
_TField.Size := Value
|
||
|
|
end
|
||
|
|
else if ClassType = TDataSet then
|
||
|
|
begin
|
||
|
|
_TDataSet := TDataSet(Instance);
|
||
|
|
if PropName = 'FILTER' then
|
||
|
|
_TDataSet.Filter := Value
|
||
|
|
else if PropName = 'FILTERED' then
|
||
|
|
_TDataSet.Filtered := Value
|
||
|
|
else if PropName = 'FILTEROPTIONS' then
|
||
|
|
_TDataSet.FilterOptions := IntToFilterOptions(Value)
|
||
|
|
else if PropName = 'ACTIVE' then
|
||
|
|
_TDataSet.Active := Value
|
||
|
|
end
|
||
|
|
else if ClassType = TParam then
|
||
|
|
begin
|
||
|
|
_TParam := TParam(Instance);
|
||
|
|
if PropName = 'ASBOOLEAN' then
|
||
|
|
_TParam.AsBoolean := Value
|
||
|
|
else if PropName = 'ASCURRENCY' then
|
||
|
|
_TParam.AsCurrency := Value
|
||
|
|
else if PropName = 'ASDATETIME' then
|
||
|
|
_TParam.AsDateTime := Value
|
||
|
|
else if PropName = 'ASFLOAT' then
|
||
|
|
_TParam.AsFloat := Value
|
||
|
|
else if PropName = 'ASINTEGER' then
|
||
|
|
_TParam.AsInteger := Value
|
||
|
|
else if PropName = 'ASDATE' then
|
||
|
|
_TParam.AsDate := Value
|
||
|
|
else if PropName = 'ASTIME' then
|
||
|
|
_TParam.AsTime := Value
|
||
|
|
else if PropName = 'ASSTRING' then
|
||
|
|
_TParam.AsString := Value
|
||
|
|
else if PropName = 'BOUND' then
|
||
|
|
_TParam.Bound := Value
|
||
|
|
else if PropName = 'TEXT' then
|
||
|
|
_TParam.Text := Value
|
||
|
|
end
|
||
|
|
end;
|
||
|
|
|
||
|
|
|
||
|
|
initialization
|
||
|
|
StartClassGroup(TFmxObject);
|
||
|
|
ActivateClassGroup(TFmxObject);
|
||
|
|
GroupDescendentsWith(TfsDBRTTI, TFmxObject);
|
||
|
|
fsRTTIModules.Add(TFunctions);
|
||
|
|
|
||
|
|
finalization
|
||
|
|
fsRTTIModules.Remove(TFunctions);
|
||
|
|
|
||
|
|
end.
|