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unit IBUpdateSQLEditor;
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{$mode objfpc}{$H+}
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interface
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uses
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Classes, SysUtils, FileUtil, LResources, Forms, Controls, Graphics, Dialogs,
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ComCtrls, StdCtrls, ExtCtrls, IBSystemTables, IBUpdateSQL;
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type
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{ TIBUpdateSQLEditorForm }
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TIBUpdateSQLEditorForm = class(TForm)
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Button1: 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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PrimaryKeyList: TListBox;
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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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SQLMemo: TMemo;
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SQLPage: TTabSheet;
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StatementType: TRadioGroup;
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FieldList: TListBox;
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TableNamesCombo: TComboBox;
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procedure Button1Click(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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procedure TableNamesComboCloseUp(Sender: TObject);
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private
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{ private declarations }
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FUpdateObject: TIBUpdateSQL;
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FIBSystemTables: TIBSystemTables;
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FDirty: boolean;
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FCurrentStatement: integer;
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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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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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procedure SetUpdateObject(AObject: TIBUpdateSQL);
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end;
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var
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IBUpdateSQLEditorForm: TIBUpdateSQLEditorForm;
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function EditIBUpdateSQL(UpdateObject: TIBUpdateSQL): boolean;
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implementation
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uses IBQuery;
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function EditIBUpdateSQL(UpdateObject: TIBUpdateSQL): boolean;
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begin
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Result := false;
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if assigned(UpdateObject.DataSet) and assigned(UpdateObject.DataSet.Database) then
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begin
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if not assigned(UpdateObject.DataSet.Transaction) then
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begin
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ShowMessage('No Default Transaction!');
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Exit
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end;
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UpdateObject.DataSet.Database.Connected := true;
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end;
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with TIBUpdateSQLEditorForm.Create(Application) do
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try
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SetUpdateObject(UpdateObject);
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Result := ShowModal = mrOK
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finally
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Free
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end;
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end;
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{ TIBUpdateSQLEditorForm }
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procedure TIBUpdateSQLEditorForm.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(FUpdateObject.ModifySQL);
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FInsertSQL.Assign(FUpdateObject.InsertSQL);
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FDeleteSQL.Assign(FUpdateObject.DeleteSQL);
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FRefreshSQL.Assign(FUpdateObject.RefreshSQL);
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FCurrentStatement := -1;
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TableNamesCombo.Items.Clear;
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FIBSystemTables.GetTableNames(TableNamesCombo.Items);
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if TableNamesCombo.Items.Count > 0 then
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begin
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TableNamesCombo.ItemIndex := 0;
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if assigned(FUpdateObject.DataSet) and (FUpdateObject.DataSet is TIBQuery) and
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((FUpdateObject.DataSet as TIBQuery).SQL.Text <> '') then
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try
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FIBSystemTables.GetTableAndColumns((FUpdateObject.DataSet as TIBQuery).SQL.Text,TableName,nil);
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TableNamesCombo.ItemIndex := TableNamesCombo.Items.IndexOf(TableName);
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except //ignore
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end;
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FIBSystemTables.GetFieldNames(TableNamesCombo.Text,FieldList.Items,false);
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FIBSystemTables.GetPrimaryKeys(TableNamesCombo.Text,PrimaryKeyList.Items);
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end;
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end;
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procedure TIBUpdateSQLEditorForm.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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FUpdateObject.ModifySQL.Assign(FModifySQL);
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FUpdateObject.InsertSQL.Assign(FInsertSQL);
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FUpdateObject.DeleteSQL.Assign(FDeleteSQL);
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FUpdateObject.RefreshSQL.Assign(FRefreshSQL);
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end;
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end;
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procedure TIBUpdateSQLEditorForm.Button1Click(Sender: TObject);
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begin
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if SQLMemo.Lines.Text <> '' then
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FIBSystemTables.TestSQL(SQLMemo.Lines.Text);
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end;
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procedure TIBUpdateSQLEditorForm.GenerateButtonClick(Sender: TObject);
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var FieldNames: TStringList;
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I: integer;
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begin
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FUpdateObject.RefreshSQL.Clear;
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FIBSystemTables.GenerateRefreshSQL(TableNamesCombo.Text,QuoteFields.Checked,FRefreshSQL);
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FIBSystemTables.GenerateDeleteSQL(TableNamesCombo.Text,QuoteFields.Checked,FDeleteSQL);
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if FieldList.SelCount = 0 then
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begin
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FIBSystemTables.GenerateModifySQL(TableNamesCombo.Text,QuoteFields.Checked,
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FieldList.Items,FModifySQL);
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FIBSystemTables.GenerateInsertSQL(TableNamesCombo.Text,QuoteFields.Checked,
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FieldList.Items,FInsertSQL);
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end
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else
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begin
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FieldNames := TStringList.Create;
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try
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for I := 0 to FieldList.Items.Count - 1 do
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if FieldList.Selected[I] then
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FieldNames.Add(FieldList.Items[I]);
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FIBSystemTables.GenerateModifySQL(TableNamesCombo.Text,QuoteFields.Checked,
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FieldNames,FModifySQL);
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FIBSystemTables.GenerateInsertSQL(TableNamesCombo.Text,QuoteFields.Checked,
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FieldNames,FInsertSQL);
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finally
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FieldNames.Free
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end;
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end;
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FDirty := false;
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PageControl.ActivePage := SQLPage;
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end;
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procedure TIBUpdateSQLEditorForm.SQLMemoChange(Sender: TObject);
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begin
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FDirty := true
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end;
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procedure TIBUpdateSQLEditorForm.SQLPageShow(Sender: TObject);
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begin
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UpdateSQLMemo
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end;
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procedure TIBUpdateSQLEditorForm.StatementTypeClick(Sender: TObject);
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begin
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UpdateSQLMemo
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end;
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procedure TIBUpdateSQLEditorForm.TableNamesComboCloseUp(Sender: TObject);
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begin
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FIBSystemTables.GetFieldNames(TableNamesCombo.Text,FieldList.Items,false);
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FIBSystemTables.GetPrimaryKeys(TableNamesCombo.Text,PrimaryKeyList.Items);
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end;
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procedure TIBUpdateSQLEditorForm.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: //Modify
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FModifySQL.Assign(SQLMemo.Lines);
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1: //Insert
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FInsertSQL.Assign(SQLMemo.Lines);
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2: // Delete
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FDeleteSQL.Assign(SQLMemo.Lines);
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3: //Refresh
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FRefreshSQL.Assign(SQLMemo.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: // Modify
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SQLMemo.Lines.Assign(FModifySQL) ;
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1: //Insert
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SQLMemo.Lines.Assign(FInsertSQL) ;
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2: // Delete
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SQLMemo.Lines.Assign(FDeleteSQL) ;
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3: //Refresh
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SQLMemo.Lines.Assign(FRefreshSQL) ;
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end;
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FCurrentStatement := StatementType.ItemIndex;
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end;
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constructor TIBUpdateSQLEditorForm.Create(TheOwner: TComponent);
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begin
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inherited Create(TheOwner);
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FIBSystemTables := TIBSystemTables.Create;
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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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end;
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destructor TIBUpdateSQLEditorForm.Destroy;
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begin
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if assigned(FIBSystemTables) then FIBSystemTables.Free;
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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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inherited Destroy;
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end;
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procedure TIBUpdateSQLEditorForm.SetUpdateObject(AObject: TIBUpdateSQL);
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begin
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FUpdateObject := AObject;
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if assigned(FUpdateObject.DataSet) then
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FIBSystemTables.SelectDatabase(FUpdateObject.DataSet.Database,FUpdateObject.DataSet.Transaction);
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end;
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initialization
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{$I ibupdatesqleditor.lrs}
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end.
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