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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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|
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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, Forms, Controls, Graphics, Dialogs, ComCtrls, |
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StdCtrls, ExtCtrls, IBSQLEditFrame, IBCustomDataSet, |
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IBDatabase, IBLookupComboEditBox, IBDynamicGrid; |
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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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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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|
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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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{$R *.lfm} |
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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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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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|
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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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begin |
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IncludeReadOnlyFields := false; |
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end; |
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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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|
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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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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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|
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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.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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|
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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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|
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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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|
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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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|
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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.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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|
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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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|
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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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|
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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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|
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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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|
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end. |