mirror of
https://gitlab.com/freepascal.org/lazarus/lazarus.git
synced 2025-06-13 00:08:13 +02:00
507 lines
13 KiB
ObjectPascal
507 lines
13 KiB
ObjectPascal
unit frasqldbrestresourceedit;
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{$mode objfpc}{$H+}
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interface
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uses
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Classes, SysUtils, Forms, Controls, StdCtrls, ExtCtrls, ComCtrls, ActnList,
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lresources, Menus, db, sqldbrestbridge, sqldbRestSchema, SynEdit, SynHighlighterSQL,
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sqldbschemaedittools, frasqldbresourcefields, frasqldbresourceparams;
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type
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{ TSQLDBRestResourceEditFrame }
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TSQLDBRestResourceEditFrame = class(TBaseEditFrame)
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AInsertAdditonalWhere: TAction;
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AInsertLimit: TAction;
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aInsertOrderBy: TAction;
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AInsertFullOrderBy: TAction;
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AInsertOptionalWhere: TAction;
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AInsertRequiredWhere: TAction;
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AInsertFullWhere: TAction;
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AUpdateParams: TAction;
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AUpdateFields: TAction;
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AValidateSQL: TAction;
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AGenerateSQL: TAction;
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aLResource: TActionList;
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BFields1: TButton;
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BGenerate: TButton;
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BParams: TButton;
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BParams1: TButton;
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BValidate: TButton;
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BFields: TButton;
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CBEnabled: TCheckBox;
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CGOperations: TCheckGroup;
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CBConnection: TComboBox;
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CBInMetadata: TCheckBox;
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EName: TEdit;
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ETableName: TEdit;
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Label1: TLabel;
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Label2: TLabel;
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Label3: TLabel;
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MenuItem1: TMenuItem;
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MenuItem10: TMenuItem;
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MenuItem11: TMenuItem;
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MenuItem12: TMenuItem;
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MenuItem13: TMenuItem;
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MenuItem2: TMenuItem;
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MenuItem3: TMenuItem;
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MenuItem4: TMenuItem;
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MenuItem5: TMenuItem;
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MenuItem6: TMenuItem;
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MenuItem7: TMenuItem;
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MenuItem8: TMenuItem;
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MenuItem9: TMenuItem;
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pnlParambuttons: TPanel;
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PCResource: TPageControl;
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PButtons: TPanel;
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PButtons1: TPanel;
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fraFields: TResourceFieldsEditFrame;
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fraParameters: TResourceParametersEditFrame;
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PMEdit: TPopupMenu;
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SESelect: TSynEdit;
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SEInsert: TSynEdit;
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SEupdate: TSynEdit;
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SEDelete: TSynEdit;
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SynSQLSyn1: TSynSQLSyn;
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TSparameters: TTabSheet;
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TSFields: TTabSheet;
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TSSelect: TTabSheet;
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TSInsert: TTabSheet;
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TabSheet3: TTabSheet;
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TSDelete: TTabSheet;
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procedure AGenerateSQLExecute(Sender: TObject);
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procedure AInsertFullOrderByExecute(Sender: TObject);
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procedure AInsertFullWhereExecute(Sender: TObject);
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procedure AInsertLimitExecute(Sender: TObject);
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procedure AInsertOptionalWhereExecute(Sender: TObject);
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procedure aInsertOrderByExecute(Sender: TObject);
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procedure AInsertRequiredWhereExecute(Sender: TObject);
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procedure AUpdateFieldsExecute(Sender: TObject);
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procedure AUpdateFieldsUpdate(Sender: TObject);
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procedure AUpdateParamsExecute(Sender: TObject);
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procedure AUpdateParamsUpdate(Sender: TObject);
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procedure AValidateSQLExecute(Sender: TObject);
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procedure AValidateSQLUpdate(Sender: TObject);
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procedure ETableNameEditingDone(Sender: TObject);
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private
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FOnFieldsChanged: TNotifyEvent;
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FOnParametersChanged: TNotifyEvent;
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FResource: TSQLDBRestResource;
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function GetOnFieldSelected: TNotifyEvent;
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function GetOnParameterSelected: TNotifyEvent;
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function HaveSelectSQL: Boolean;
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procedure InsertInSelect(const aPlaceholder: string);
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procedure InsertInSynedit(aSyn: TSynedit; const aPlaceHolder: string);
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procedure SetOnFieldSelected(AValue: TNotifyEvent);
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procedure SetOnParameterSelected(AValue: TNotifyEvent);
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procedure SetResource(AValue: TSQLDBRestResource);
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procedure SetTableNames;
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Protected
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procedure FieldsChanged;
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Procedure UpdateFieldList;
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procedure ParametersChanged;
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Procedure UpdateParameterList;
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procedure SetConnections(AValue: TSQLDBRestConnectionList); override;
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Procedure SetFrameData(aData: TObject); override;
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public
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constructor create(aOwner : TComponent); override;
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Function Modified : Boolean; override;
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Procedure SaveData; override;
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procedure ShowConnections;
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Procedure ShowResource;
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Function FrameCaption: String; override;
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Property Resource : TSQLDBRestResource Read FResource Write SetResource;
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Property OnFieldsChanged : TNotifyEvent Read FOnFieldsChanged Write FOnFieldsChanged;
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Property OnParametersChanged : TNotifyEvent Read FOnParametersChanged Write FOnParametersChanged;
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Property OnSelectField : TNotifyEvent Read GetOnFieldSelected Write SetOnFieldSelected;
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Property OnSelectParameter : TNotifyEvent Read GetOnParameterSelected Write SetOnParameterSelected;
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end;
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implementation
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uses dialogs, sqldb, TypInfo;
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{$R *.lfm}
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{ TSQLDBRestResourceEditFrame }
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procedure TSQLDBRestResourceEditFrame.AGenerateSQLExecute(Sender: TObject);
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begin
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SESelect.Lines.Text:=Resource.GenerateDefaultSQL(skSelect);
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end;
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procedure TSQLDBRestResourceEditFrame.AInsertFullOrderByExecute(Sender: TObject);
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begin
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InsertInSelect('%FULLORDERBY%');
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end;
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procedure TSQLDBRestResourceEditFrame.AInsertFullWhereExecute(Sender: TObject);
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begin
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InsertInSelect('%FULLWHERE%');
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end;
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procedure TSQLDBRestResourceEditFrame.InsertInSynedit(aSyn : TSynedit; const aPlaceHolder : string);
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begin
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aSyn.SelText:=aPlaceHolder;
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end;
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procedure TSQLDBRestResourceEditFrame.InsertInSelect(const aPlaceholder : string);
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begin
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InsertInSynedit(SESelect,aPlaceHolder);
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end;
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procedure TSQLDBRestResourceEditFrame.AInsertLimitExecute(Sender: TObject);
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begin
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InsertInSelect('%LIMIT%');
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end;
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procedure TSQLDBRestResourceEditFrame.AInsertOptionalWhereExecute(Sender: TObject);
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begin
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InsertInSelect('%OPTIONALWHERE%');
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end;
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procedure TSQLDBRestResourceEditFrame.aInsertOrderByExecute(Sender: TObject);
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begin
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InsertInSelect('%ORDERBY%');
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end;
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procedure TSQLDBRestResourceEditFrame.AInsertRequiredWhereExecute(Sender: TObject);
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begin
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InsertInSelect('%REQUIREDWHERE%');
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end;
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procedure TSQLDBRestResourceEditFrame.AUpdateFieldsExecute(Sender: TObject);
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begin
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if Resource.Fields.Count>0 then
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if QuestionDlg(SResetFields, Format(SResetFieldsPrompt, [LineEnding, LineEnding]), mtWarning, [mrYes, SYesResetFields, mrNo,
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SDoNotResetFields], 0) <> mrYes then exit;
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UpdateFieldList;
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end;
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function TSQLDBRestResourceEditFrame.HaveSelectSQL: Boolean;
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begin
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Result:=(SESelect.Lines.Count>0) and (Trim(SESelect.Lines[0])<>'');
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end;
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function TSQLDBRestResourceEditFrame.GetOnFieldSelected: TNotifyEvent;
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begin
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Result:=FraFields.OnSelectField;
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end;
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function TSQLDBRestResourceEditFrame.GetOnParameterSelected: TNotifyEvent;
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begin
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Result:=FraParameters.OnSelectParameter;
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end;
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procedure TSQLDBRestResourceEditFrame.SetOnFieldSelected(AValue: TNotifyEvent);
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begin
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FraFields.OnSelectField:=aValue;
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end;
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procedure TSQLDBRestResourceEditFrame.SetOnParameterSelected(
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AValue: TNotifyEvent);
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begin
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FraParameters.OnSelectParameter:=aValue;
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end;
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procedure TSQLDBRestResourceEditFrame.AUpdateFieldsUpdate(Sender: TObject);
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begin
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(Sender as Taction).Enabled:=(ETableName.Text<>'') or HaveSelectSQL;
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end;
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procedure TSQLDBRestResourceEditFrame.AUpdateParamsExecute(Sender: TObject);
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begin
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if Resource.Parameters.Count>0 then
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if QuestionDlg(SResetParameters, Format(SResetParametersPrompt, [LineEnding, LineEnding]), mtWarning,
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[mrYes, SYesResetParameters, mrNo,SDoNotResetParameters], 0) <> mrYes then exit;
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UpdateParameterList;
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end;
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procedure TSQLDBRestResourceEditFrame.AUpdateParamsUpdate(Sender: TObject);
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begin
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(Sender as Taction).Enabled:=HaveSelectSQL;
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end;
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procedure TSQLDBRestResourceEditFrame.AValidateSQLExecute(Sender: TObject);
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begin
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With ExecuteSelect(CBConnection.Text,Resource.ProcessSQl(SESelect.Lines.text,'(1=0)','','')) do
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Free;
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ShowMessage(SSQLValidatesOK);
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end;
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procedure TSQLDBRestResourceEditFrame.AValidateSQLUpdate(Sender: TObject);
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begin
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(Sender as Taction).Enabled:=CanGetSQLConnection and HaveSelectSQL;
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end;
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procedure TSQLDBRestResourceEditFrame.ETableNameEditingDone(Sender: TObject);
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begin
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if Not SameText(ETableName.Text,Resource.TableName)
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and (Resource.Fields.Count>0)
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and Not HaveSelectSQL then
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if MessageDlg(Format(STableNameChanged, [LineEnding]), mtWarning, [mbYes, mbNo], 0) = mrYes then
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UpdateFieldList;
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end;
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procedure TSQLDBRestResourceEditFrame.SetResource(AValue: TSQLDBRestResource);
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begin
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if FResource=AValue then Exit;
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FResource:=AValue;
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fraFields.Resource:=Resource;
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fraParameters.Resource:=Resource;
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SetTableNames;
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ShowResource;
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end;
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procedure TSQLDBRestResourceEditFrame.SetTableNames;
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Var
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L : TSQLDBRestResourceList;
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aTables : TStringList;
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I : integer;
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TN : String;
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begin
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if not Assigned(FResource) then exit;
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if not (FResource.Collection is TSQLDBRestResourceList) then exit;
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L:=FResource.Collection as TSQLDBRestResourceList;
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aTables:=TStringList.Create;
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Try
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aTables.Sorted:=true;
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aTables.Duplicates:=dupIgnore;
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for I:=0 to L.Count-1 do
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begin
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TN:=L[i].TableName;
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if TN<>'' then
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aTables.Add(TN);
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end;
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SynSQLSyn1.TableNames:=aTables;
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finally
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aTables.Free;
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end;
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end;
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procedure TSQLDBRestResourceEditFrame.FieldsChanged;
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begin
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FraFields.ShowResource;
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If Assigned(FonFieldsChanged) then
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FOnFieldsChanged(FResource);
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end;
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procedure TSQLDBRestResourceEditFrame.UpdateFieldList;
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Var
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Q : TSQLQuery;
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SQL : String;
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idxFields : TStringArray;
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begin
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SQL:=Trim(SESelect.Lines.Text);
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if SQL='' then
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SQL:=Resource.GenerateDefaultSQL(skSelect);
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Q:=ExecuteSelect(CBConnection.Text,Resource.ProcessSQl(SQL,'(1=0)','',''));
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try
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Resource.Fields.Clear;
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idxFields:=TSQLDBRestSchema.GetPrimaryIndexFields(Q);
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Resource.PopulateFieldsFromFieldDefs(Q.FieldDefs,idxFields,Nil,MinFieldOptions);
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FieldsChanged;
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finally
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Q.Free;
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end;
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end;
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procedure TSQLDBRestResourceEditFrame.ParametersChanged;
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begin
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FraParameters.ShowResource;
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If Assigned(FOnParametersChanged) then
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FOnParametersChanged(FResource);
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end;
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procedure TSQLDBRestResourceEditFrame.UpdateParameterList;
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Var
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Q : TSQLQuery;
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SQL : String;
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idxFields : TStringArray;
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Parms : TParams;
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begin
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SQL:=Trim(SESelect.Lines.Text);
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if SQL='' then
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SQL:=Resource.GenerateDefaultSQL(skSelect);
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Resource.PopulateParametersFromSQl(SQL,true);
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ParametersChanged;
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end;
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procedure TSQLDBRestResourceEditFrame.ShowConnections;
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Var
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I : Integer;
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begin
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With CBConnection.Items do
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begin
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BeginUpdate;
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try
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if Not assigned(Connections) then
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For I:=0 to Connections.Count-1 do
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AddObject(Connections[i].Name,Connections[i]);
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finally
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EndUpdate;
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end;
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end;
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end;
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procedure TSQLDBRestResourceEditFrame.SetConnections(AValue: TSQLDBRestConnectionList);
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begin
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inherited SetConnections(AValue);
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ShowConnections;
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end;
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procedure TSQLDBRestResourceEditFrame.SetFrameData(aData: TObject);
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begin
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Resource:=aData as TMySQLDBRestResource;
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end;
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constructor TSQLDBRestResourceEditFrame.create(aOwner: TComponent);
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var
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ro : TRestOperation;
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S : String;
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begin
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inherited create(aOwner);
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CGOperations.Items.Clear;
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For ro:=Succ(Low(TRestOperation)) to High(TRestOperation) do
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begin
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S:=GetEnumName(TypeInfo(TRestOperation),Ord(RO));
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Delete(S,1,2);
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CGOperations.Items.Add(S);
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end;
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AUpdateParams.Visible:=Not FakeParams;
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PCResource.ActivePageIndex:=0;
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end;
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function TSQLDBRestResourceEditFrame.Modified: Boolean;
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Function Diff(S1,S2 : TStrings) : Boolean;
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begin
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Result:=Trim(S1.Text)<>Trim(S2.Text);
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end;
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Procedure DoOperation(O : TRestOperation);
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begin
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Result:=Result or (CGOperations.Checked[Ord(O)-1] <> (O in Resource.AllowedOperations));
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end;
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Var
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O : TRestOperation;
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begin
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Result:=False;
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With Resource do
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begin
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Result:=(ResourceName<>eName.Text) Or
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(TableName<>ETableName.Text) Or
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(Enabled<>CBEnabled.Checked) Or
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(InMetadata<>CBInMetadata.Checked) or
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Diff(SQLSelect, SESelect.Lines) Or
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Diff(SQLInsert,SEInsert.Lines) Or
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Diff(SQLUpdate,SEUpdate.Lines) Or
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Diff(SQLDelete,SEDelete.Lines);
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for O in TRestOperation do
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if o<>roUnknown then
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DoOperation(O);
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end;
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end;
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procedure TSQLDBRestResourceEditFrame.SaveData;
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Procedure DoOperation(O : TRestOperation);
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begin
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if CGOperations.Checked[Ord(O)-1] then
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Resource.AllowedOperations:=Resource.AllowedOperations+[O]
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else
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Resource.AllowedOperations:=Resource.AllowedOperations-[O]
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end;
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Var
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O : TRestOperation;
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begin
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With Resource do
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begin
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ResourceName := eName.Text;
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TableName := ETableName.Text;
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SQLSelect := SESelect.Lines;
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SQLInsert := SEInsert.Lines;
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SQLUpdate := SEUpdate.Lines;
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SQLDelete := SEDelete.Lines;
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Enabled := CBEnabled.Checked;
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InMetadata := CBInMetadata.Checked;
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for O in TRestOperation do
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if o<>roUnknown then
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DoOperation(O);
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end;
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end;
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procedure TSQLDBRestResourceEditFrame.ShowResource;
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Procedure DoOperation(O : TRestOperation);
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begin
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CGOperations.Checked[Ord(O)-1]:=O in Resource.AllowedOperations;
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end;
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Var
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O : TRestOperation;
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begin
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With Resource do
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begin
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eName.Text:=ResourceName;
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ETableName.Text:=TableName;
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SESelect.Lines:=SQLSelect;
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SEInsert.Lines:=SQLInsert;
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SEUpdate.Lines:=SQLUpdate;
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SEDelete.Lines:=SQLDelete;
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CBEnabled.Checked:=Enabled;
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CBInMetadata.Checked:=InMetadata;
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for O in TRestOperation do
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if o<>roUnknown then
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DoOperation(O);
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end;
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end;
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function TSQLDBRestResourceEditFrame.FrameCaption: String;
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begin
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if FResource=Nil then
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Result:=SUnknownObject
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else
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Result:=FResource.ResourceName;
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Result:=Format(SEditObject,[SResource,Result]);
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end;
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end.
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