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unit IBDataSetEditor; |
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|
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{$mode objfpc}{$H+} |
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|
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interface |
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|
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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, IBCustomDataSet; |
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|
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type |
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|
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{ TIBDataSetEditorForm } |
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|
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TIBDataSetEditorForm = 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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FDataSet: TIBDataSet; |
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FIBSystemTables: TIBSystemTables; |
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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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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 SetDataSet(AObject: TIBDataSet); |
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end; |
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|
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var |
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IBDataSetEditorForm: TIBDataSetEditorForm; |
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|
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function EditIBDataSet(DataSet: TIBDataSet): boolean; |
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|
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implementation |
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|
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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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begin |
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if not assigned(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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|
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DataSet.Database.Connected := true; |
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end; |
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|
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with TIBDataSetEditorForm.Create(Application) do |
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try |
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SetDataSet(DataSet); |
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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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|
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end; |
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|
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{ TIBDataSetEditorForm } |
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|
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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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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 FSelectSQL.Text <> '' then |
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try |
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FIBSystemTables.GetTableAndColumns(FSelectSQL.Text,TableName,nil); |
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TableNamesCombo.ItemIndex := TableNamesCombo.Items.IndexOf(TableName); |
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except end;//ignore |
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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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|
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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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|
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procedure TIBDataSetEditorForm.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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|
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procedure TIBDataSetEditorForm.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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FDataSet.RefreshSQL.Clear; |
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FIBSystemTables.GenerateSelectSQL(TableNamesCombo.Text,QuoteFields.Checked,FSelectSQL); |
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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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|
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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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|
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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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|
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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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|
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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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|
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procedure TIBDataSetEditorForm.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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|
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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(SQLMemo.Lines); |
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1: //Modify |
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FModifySQL.Assign(SQLMemo.Lines); |
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2: //Insert |
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FInsertSQL.Assign(SQLMemo.Lines); |
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3: // Delete |
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FDeleteSQL.Assign(SQLMemo.Lines); |
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4: //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: //Select |
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SQLMemo.Lines.Assign(FSelectSQL); |
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1: // Modify |
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SQLMemo.Lines.Assign(FModifySQL) ; |
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2: //Insert |
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SQLMemo.Lines.Assign(FInsertSQL) ; |
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3: // Delete |
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SQLMemo.Lines.Assign(FDeleteSQL) ; |
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4: //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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|
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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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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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FSelectSQL := TStringList.Create; |
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end; |
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|
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destructor TIBDataSetEditorForm.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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if assigned(FSelectSQL) then FSelectSQL.Free; |
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inherited Destroy; |
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end; |
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|
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procedure TIBDataSetEditorForm.SetDataSet(AObject: TIBDataSet); |
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begin |
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FDataSet := AObject; |
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if assigned(FDataSet) then |
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FIBSystemTables.SelectDatabase(FDataSet.Database,FDataSet.Transaction); |
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end; |
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|
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|
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initialization |
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{$I ibdataseteditor.lrs} |
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|
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end. |
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