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(*
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* IBX For Lazarus (Firebird Express)
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*
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* The contents of this file are subject to the Initial Developer's
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* Public License Version 1.0 (the "License"); you may not use this
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* file except in compliance with the License. You may obtain a copy
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* of the License here:
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*
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* http://www.firebirdsql.org/index.php?op=doc&id=idpl
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing rights
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* and limitations under the License.
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*
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* The Initial Developer of the Original Code is Tony Whyman.
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*
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* The Original Code is (C) 2011 Tony Whyman, MWA Software
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* (http://www.mwasoftware.co.uk).
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*
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* All Rights Reserved.
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*
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* Contributor(s): ______________________________________.
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*
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*)
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unit IBDataSetEditor;
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{$mode objfpc}{$H+}
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interface
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uses
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Classes, SysUtils, FileUtil, Forms, Controls, Graphics, Dialogs, ComCtrls,
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StdCtrls, ExtCtrls, IBSQLEditFrame, IBCustomDataSet,
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IBDatabase, IBLookupComboEditBox, IBDynamicGrid, Types;
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type
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{ TIBDataSetEditorForm }
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TIBDataSetEditorForm = class(TForm)
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FieldNamesGrid: TIBDynamicGrid;
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GenerateParams: TCheckBox;
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IBSQLEditFrame1: TIBSQLEditFrame;
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IncludeSysTables: TCheckBox;
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Label5: TLabel;
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Label6: TLabel;
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PrimaryKeysGrid: TIBDynamicGrid;
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IdentityGrid: TIBDynamicGrid;
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ReadOnlyGrid: TIBDynamicGrid;
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SelectSelectAll: TCheckBox;
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SelectTableNames: TIBLookupComboEditBox;
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TestBtn: TButton;
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CancelButton: TButton;
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FieldsPage: TTabSheet;
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GenerateButton: TButton;
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GroupBox1: TGroupBox;
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IncludePrimaryKeys: TCheckBox;
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Label1: TLabel;
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Label2: TLabel;
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Label3: TLabel;
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Label4: TLabel;
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OkButton: TButton;
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PageControl: TPageControl;
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QuoteFields: TCheckBox;
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SQLPage: TTabSheet;
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StatementType: TRadioGroup;
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procedure IncludeSysTablesChange(Sender: TObject);
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procedure SelectSelectAllClick(Sender: TObject);
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procedure TestBtnClick(Sender: TObject);
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procedure FormClose(Sender: TObject; var CloseAction: TCloseAction);
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procedure FormShow(Sender: TObject);
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procedure GenerateButtonClick(Sender: TObject);
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procedure SQLMemoChange(Sender: TObject);
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procedure SQLPageShow(Sender: TObject);
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procedure StatementTypeClick(Sender: TObject);
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private
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{ private declarations }
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FDataSet: TIBDataSet;
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FDirty: boolean;
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FCurrentStatement: integer;
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FSelectSQL: TStringList;
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FModifySQL: TStringList;
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FInsertSQL: TStringList;
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FDeleteSQL: TStringList;
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FRefreshSQL: TStringList;
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procedure UpdateSQLMemo;
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procedure HandleUserTablesOpened(Sender: TObject);
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protected
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procedure Loaded; override;
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public
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{ public declarations }
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constructor Create(TheOwner: TComponent); override;
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destructor Destroy; override;
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end;
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var
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IBDataSetEditorForm: TIBDataSetEditorForm;
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function EditIBDataSet(DataSet: TIBDataSet): boolean;
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implementation
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{$R *.lfm}
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function EditIBDataSet(DataSet: TIBDataSet): boolean;
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begin
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Result := false;
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if assigned(DataSet) and assigned(DataSet.Database) then
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try
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DataSet.Database.Connected := true;
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except on E: Exception do
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ShowMessage(E.Message)
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end;
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with TIBDataSetEditorForm.Create(Application) do
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try
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if assigned(DataSet) then
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begin
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IBSQLEditFrame1.Database := DataSet.Database;
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GenerateParams.Checked := DataSet.GenerateParamNames;
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end;
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FDataSet := DataSet;
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with IBSQLEditFrame1 do
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IncludeReadOnlyFields := false;
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Result := ShowModal = mrOK;
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if Result and assigned(DataSet) then
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DataSet.GenerateParamNames := GenerateParams.Checked
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finally
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Free
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end;
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end;
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{ TIBDataSetEditorForm }
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procedure TIBDataSetEditorForm.FormShow(Sender: TObject);
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var TableName: string;
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begin
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PageControl.ActivePage := FieldsPage;
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FModifySQL.Assign(FDataSet.ModifySQL);
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FInsertSQL.Assign(FDataSet.InsertSQL);
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FDeleteSQL.Assign(FDataSet.DeleteSQL);
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FRefreshSQL.Assign(FDataSet.RefreshSQL);
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FSelectSQL.Assign(FDataSet.SelectSQL);
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GenerateButton.Enabled := (IBSQLEditFrame1.Database <> nil) and IBSQLEditFrame1.Database.Connected;
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TestBtn.Enabled := (IBSQLEditFrame1.Database <> nil) and IBSQLEditFrame1.Database.Connected;
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FCurrentStatement := -1;
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if (IBSQLEditFrame1.Database <> nil) and IBSQLEditFrame1.Database.Connected then
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begin
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IBSQLEditFrame1.UserTables.Active := true;
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IBSQLEditFrame1.SyncQueryBuilder(FSelectSQL);
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end;
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end;
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procedure TIBDataSetEditorForm.FormClose(Sender: TObject;
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var CloseAction: TCloseAction);
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begin
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if ModalResult = mrOK then
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begin
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UpdateSQLMemo;
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FDataSet.ModifySQL.Assign(FModifySQL);
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FDataSet.InsertSQL.Assign(FInsertSQL);
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FDataSet.DeleteSQL.Assign(FDeleteSQL);
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FDataSet.RefreshSQL.Assign(FRefreshSQL);
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FDataSet.SelectSQL.Assign(FSelectSQL);
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end;
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end;
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procedure TIBDataSetEditorForm.TestBtnClick(Sender: TObject);
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begin
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IBSQLEditFrame1.TestSQL(GenerateParams.Checked);
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end;
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procedure TIBDataSetEditorForm.IncludeSysTablesChange(Sender: TObject);
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begin
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IBSQLEditFrame1.IncludeSystemTables := IncludeSysTables.Checked;
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end;
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procedure TIBDataSetEditorForm.SelectSelectAllClick(Sender: TObject);
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begin
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IBSQLEditFrame1.SelectAllFields(SelectSelectAll.Checked);
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end;
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procedure TIBDataSetEditorForm.GenerateButtonClick(Sender: TObject);
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begin
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IBSQLEditFrame1.GenerateSelectSQL(QuoteFields.Checked,FSelectSQL,true);
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IBSQLEditFrame1.GenerateRefreshSQL(QuoteFields.Checked,FRefreshSQL,true);
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IBSQLEditFrame1.GenerateDeleteSQL(QuoteFields.Checked,FDeleteSQL);
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IBSQLEditFrame1.GenerateInsertSQL(QuoteFields.Checked,FInsertSQL);
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IBSQLEditFrame1.GenerateModifySQL(QuoteFields.Checked,FModifySQL, IncludePrimaryKeys.Checked);
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FDirty := false;
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PageControl.ActivePage := SQLPage;
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end;
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procedure TIBDataSetEditorForm.SQLMemoChange(Sender: TObject);
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begin
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FDirty := true
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end;
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procedure TIBDataSetEditorForm.SQLPageShow(Sender: TObject);
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begin
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UpdateSQLMemo
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end;
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procedure TIBDataSetEditorForm.StatementTypeClick(Sender: TObject);
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begin
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UpdateSQLMemo
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end;
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procedure TIBDataSetEditorForm.UpdateSQLMemo;
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begin
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if FDirty then
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case FCurrentStatement of
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0: // Select
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FSelectSQL.Assign(IBSQLEditFrame1.SQLText.Lines);
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1: //Modify
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FModifySQL.Assign(IBSQLEditFrame1.SQLText.Lines);
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2: //Insert
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FInsertSQL.Assign(IBSQLEditFrame1.SQLText.Lines);
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3: // Delete
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FDeleteSQL.Assign(IBSQLEditFrame1.SQLText.Lines);
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4: //Refresh
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FRefreshSQL.Assign(IBSQLEditFrame1.SQLText.Lines);
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end;
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FDirty := false;
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case StatementType.ItemIndex of
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0: //Select
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IBSQLEditFrame1.SQLText.Lines.Assign(FSelectSQL);
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1: // Modify
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IBSQLEditFrame1.SQLText.Lines.Assign(FModifySQL) ;
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2: //Insert
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IBSQLEditFrame1.SQLText.Lines.Assign(FInsertSQL) ;
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3: // Delete
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IBSQLEditFrame1.SQLText.Lines.Assign(FDeleteSQL) ;
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4: //Refresh
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IBSQLEditFrame1.SQLText.Lines.Assign(FRefreshSQL) ;
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end;
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FCurrentStatement := StatementType.ItemIndex;
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end;
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procedure TIBDataSetEditorForm.HandleUserTablesOpened(Sender: TObject);
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begin
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SelectSelectAll.Checked := true;
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end;
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procedure TIBDataSetEditorForm.Loaded;
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begin
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inherited Loaded;
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if IBSQLEditFrame1 <> nil then
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begin
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IBSQLEditFrame1.OnUserTablesOpened := @HandleUserTablesOpened;
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if SelectTableNames <> nil then
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SelectTableNames.ListSource := IBSQLEditFrame1.UserTableSource;
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if FieldNamesGrid <> nil then
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FieldNamesGrid.DataSource := IBSQLEditFrame1.FieldsSource;
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if PrimaryKeysGrid <> nil then
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PrimaryKeysGrid.DataSource := IBSQLEditFrame1.PrimaryKeySource;
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if IdentityGrid <> nil then
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IdentityGrid.DataSource := IBSQLEditFrame1.IdentityColsSource;
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if ReadOnlyGrid <> nil then
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ReadOnlyGrid.DataSource := IBSQLEditFrame1.ReadOnlyFieldsSource;
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end;
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end;
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constructor TIBDataSetEditorForm.Create(TheOwner: TComponent);
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begin
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inherited Create(TheOwner);
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FModifySQL := TStringList.Create;
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FInsertSQL := TStringList.Create;
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FDeleteSQL := TStringList.Create;
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FRefreshSQL := TStringList.Create;
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FSelectSQL := TStringList.Create;
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end;
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destructor TIBDataSetEditorForm.Destroy;
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begin
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if assigned(FModifySQL) then FModifySQL.Free;
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if assigned(FInsertSQL) then FInsertSQL.Free;
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if assigned(FDeleteSQL) then FDeleteSQL.Free;
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if assigned(FRefreshSQL) then FRefreshSQL.Free;
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if assigned(FSelectSQL) then FSelectSQL.Free;
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inherited Destroy;
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end;
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end.
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