{****************************************************************** JEDI-VCL Demo Copyright (C) 2002 Project JEDI Original author: Ralf Grenzing [Ralf dot Grenzing@gmx.de] Contributor(s): You may retrieve the latest version of this file at the JEDI-JVCL home page, located at http://jvcl.sourceforge.net The contents of this file are used with permission, subject to the Mozilla Public License Version 1.1 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.mozilla.org/MPL/MPL-1_1Final.html Software distributed under the License is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for the specific language governing rights and limitations under the License. ******************************************************************} unit JvDBActionMainForm; interface uses Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms, Dialogs, ExtCtrls, DBCtrls, Grids, DBGrids, DB, JvCsvData, JvExExtCtrls, JvComponent, JvPanel, ComCtrls, JvExComCtrls, JvDBActions, JvDateTimePicker, JvDBDateTimePicker, StdCtrls, ActnList, Buttons, DBActns, JvExDBGrids, JvDBGrid, ImgList, JvActionsEngine, JvControlActions, JvDBActionsEngine; type TJvDBActionMainFrm = class(TForm) JvCsvDataSet2: TJvCsvDataSet; JvCsvDataSet1NAME: TStringField; JvCsvDataSet1ADDRESS: TStringField; JvCsvDataSet1ADDRESS2: TStringField; JvCsvDataSet1TELEPHONE: TStringField; JvCsvDataSet1AGE: TIntegerField; JvCsvDataSet1LASTPHONECALL: TDateTimeField; JvCsvDataSet1PRIVATENUMBER: TBooleanField; DataSource1: TDataSource; DBGrid1: TDBGrid; DBNavigator1: TDBNavigator; BitBtn1: TBitBtn; BitBtn2: TBitBtn; BitBtn3: TBitBtn; BitBtn4: TBitBtn; BitBtn5: TBitBtn; JvDatabaseActionList1: TJvDatabaseActionList; BitBtn6: TBitBtn; JvDBGrid1: TJvDBGrid; JvDatabaseSingleRecordWindowAction1: TJvDatabaseSingleRecordWindowAction; BitBtn7: TBitBtn; BitBtn8: TBitBtn; JvDatabaseFirstAction1: TJvDatabaseFirstAction; JvDatabaseLastAction1: TJvDatabaseLastAction; JvDatabaseNextAction1: TJvDatabaseNextAction; JvDatabasePriorAction1: TJvDatabasePriorAction; JvDatabaseNextBlockAction1: TJvDatabaseNextBlockAction; JvDatabasePriorBlockAction1: TJvDatabasePriorBlockAction; JvDatabasePositionAction1: TJvDatabasePositionAction; JvDatabaseRefreshAction1: TJvDatabaseRefreshAction; JvDatabaseInsertAction1: TJvDatabaseInsertAction; JvDatabaseCopyAction1: TJvDatabaseCopyAction; JvDatabaseEditAction1: TJvDatabaseEditAction; JvDatabaseDeleteAction1: TJvDatabaseDeleteAction; JvDatabasePostAction1: TJvDatabasePostAction; JvDatabaseCancelAction1: TJvDatabaseCancelAction; JvDatabaseSimpleAction1: TJvDatabaseSimpleAction; JvDatabaseOpenAction1: TJvDatabaseOpenAction; JvDatabaseCloseAction1: TJvDatabaseCloseAction; JvDatabaseModifyAllAction1: TJvDatabaseModifyAllAction; BitBtn9: TBitBtn; BitBtn10: TBitBtn; JvDatabaseShowSQLStatementAction1: TJvDatabaseShowSQLStatementAction; JvDatabaseSimpleAction2: TJvDatabaseSimpleAction; Button1: TButton; BitBtn11: TBitBtn; JvDatabaseEditAction2: TJvDatabaseEditAction; procedure FormCreate(Sender: TObject); procedure DBGrid1Enter(Sender: TObject); procedure JvDatabaseFirstAction1AfterExecute(Sender: TObject; ControlEngine: TJvDatabaseActionBaseControlEngine; DataComponent: TComponent); procedure JvDatabaseFirstAction1Execute(Sender: TObject; ControlEngine: TJvDatabaseActionBaseControlEngine; DataComponent: TComponent); procedure JvDatabaseSimpleAction2CheckEnabled(aDataset: TDataSet; aDataComponent: TComponent; aDatabaseControlEngine: TJvDatabaseActionBaseControlEngine; var aEnabled: Boolean); procedure JvDBGrid1Enter(Sender: TObject); end; var JvDBActionMainFrm: TJvDBActionMainFrm; implementation {$R *.dfm} uses JvDynControlEngine, JvDynControlEngineDB, JvDynControlEngineVCLDB, JvDynControlEngineJVCLDB, JvDynControlEngineTools, JvDynControlEngineDBTools, JvDBActionsEngineControlCxGrid, JvDBActionsEngineDatasetAdo, JvDBActionsEngineDatasetOdac, JvDBActionsEngineDatasetdoa, JvDBActionsEngineDatasetDBExpress, JvDBActionsEngineDatasetCSVDataset; procedure TJvDBActionMainFrm.FormCreate(Sender: TObject); begin SetDefaultDynControlEngineDB(DynControlEngineJVCLDB); end; procedure TJvDBActionMainFrm.DBGrid1Enter(Sender: TObject); begin JvDatabaseActionList1.DataComponent := DBgrid1; end; function StateName( MyState: TDataSetState):string; begin case MyState of dsInactive : Result := 'sInactive'; dsBrowse : Result := 'dsBrowse'; dsEdit : Result := 'dsEdit'; dsInsert : Result := 'dsInsert'; dsSetKey : Result := 'dsSetKey'; dsCalcFields : Result := 'dsCalcFields'; dsFilter : Result := 'dsFilter'; dsNewValue : Result := 'dsNewValue'; dsOldValue : Result := 'dsOldValue'; dsCurValue : Result := 'dsCurValue'; dsBlockRead : Result := 'dsBlockRead'; dsInternalCalc : Result := 'dsInternalCalc'; dsOpening : Result := 'dsOpening'; end; end; procedure TJvDBActionMainFrm.JvDatabaseFirstAction1AfterExecute(Sender: TObject; ControlEngine: TJvDatabaseActionBaseControlEngine; DataComponent: TComponent); begin showmessage(TComponent(Sender).Name+' AfterExecute: '+StateName(JvCsvDataSet2.State)); end; procedure TJvDBActionMainFrm.JvDatabaseFirstAction1Execute(Sender: TObject; ControlEngine: TJvDatabaseActionBaseControlEngine; DataComponent: TComponent); begin showmessage(TComponent(Sender).Name+' OnExecute: '+StateName(JvCsvDataSet2.State)); end; procedure TJvDBActionMainFrm.JvDatabaseSimpleAction2CheckEnabled(aDataset: TDataSet; aDataComponent: TComponent; aDatabaseControlEngine: TJvDatabaseActionBaseControlEngine; var aEnabled: Boolean); begin if Enabled and Assigned(aDataset) and Assigned(aDataset.FindField('AGE')) then aEnabled := aDataset.FieldByName('AGE').AsFloat >= 50 else aEnabled := False; end; procedure TJvDBActionMainFrm.JvDBGrid1Enter(Sender: TObject); begin JvDatabaseActionList1.DataComponent := JvDBGrid1; end; end.