trunk/design/ibrefreshsqleditor.pas

unit ibrefreshsqleditor;

{$mode objfpc}{$H+}

interface

uses
  Classes, SysUtils, FileUtil, LResources, Forms, Controls, Graphics, Dialogs,
  StdCtrls, IBSystemTables, IBDatabase, IBCustomDataSet;

type

  { TIBRefreshSQLEditorForm }

  TIBRefreshSQLEditorForm = class(TForm)
    Button1: TButton;
    Button2: TButton;
    GenerateBtn: TButton;
    GenerateParams: TCheckBox;
    TestBtn: TButton;
    FieldList: TListBox;
    IBTransaction1: TIBTransaction;
    Label1: TLabel;
    Label2: TLabel;
    Label3: TLabel;
    Label4: TLabel;
    PrimaryKeyList: TListBox;
    QuoteFields: TCheckBox;
    SQLText: TMemo;
    TableNamesCombo: TComboBox;
    procedure GenerateBtnClick(Sender: TObject);
    procedure TestBtnClick(Sender: TObject);
    procedure FieldListDblClick(Sender: TObject);
    procedure FormShow(Sender: TObject);
    procedure PrimaryKeyListDblClick(Sender: TObject);
    procedure TableNamesComboCloseUp(Sender: TObject);
  private
    { private declarations }
    FIBSystemTables: TIBSystemTables;
  public
    { public declarations }
    constructor Create(TheOwner: TComponent); override;
    destructor Destroy; override;
    procedure SetDatabase(Database: TIBDatabase);
  end; 

var
  IBRefreshSQLEditorForm: TIBRefreshSQLEditorForm;

function EditSQL(DataSet: TIBCustomDataSet; SelectSQL: TStrings): boolean;

implementation

{$R *.lfm}

function EditSQL(DataSet: TIBCustomDataSet; SelectSQL: TStrings): boolean;
begin
  Result := false;
  if assigned(DataSet) and assigned(DataSet.Database) then
    try
      DataSet.Database.Connected := true;
    except on E: Exception do
      ShowMessage(E.Message)
    end;

  with TIBRefreshSQLEditorForm.Create(Application) do
  try
    if assigned(DataSet) then
    begin
        SetDatabase(DataSet.Database);
        GenerateParams.Checked := DataSet.GenerateParamNames;
    end;
    SQLText.Lines.Assign(SelectSQL);
    Result := ShowModal = mrOK;
    if Result then
    begin
     SelectSQL.Assign(SQLText.Lines);
     if assigned(DataSet) then
          DataSet.GenerateParamNames := GenerateParams.Checked
    end;
  finally
    Free
  end;
end;

{ TIBRefreshSQLEditorForm }

procedure TIBRefreshSQLEditorForm.FormShow(Sender: TObject);
var TableName: string;
begin
  GenerateBtn.Enabled := (IBTransaction1.DefaultDatabase <> nil) and IBTransaction1.DefaultDatabase.Connected;
  TestBtn.Enabled := (IBTransaction1.DefaultDatabase <> nil) and IBTransaction1.DefaultDatabase.Connected;
  TableNamesCombo.Items.Clear;
  FIBSystemTables.GetTableNames(TableNamesCombo.Items);
  if TableNamesCombo.Items.Count > 0 then
  begin
    TableNamesCombo.ItemIndex := 0;
    if Trim(SQLText.Text) <> '' then
    begin
      FIBSystemTables.GetTableAndColumns(SQLText.Text,TableName,nil);
      TableNamesCombo.ItemIndex := TableNamesCombo.Items.IndexOf(TableName)
    end;
    FIBSystemTables.GetFieldNames(TableNamesCombo.Text,FieldList.Items);
    FIBSystemTables.GetPrimaryKeys(TableNamesCombo.Text,PrimaryKeyList.Items);
  end;
end;

procedure TIBRefreshSQLEditorForm.PrimaryKeyListDblClick(Sender: TObject);
begin
  SQLText.SelText := PrimaryKeyList.Items[PrimaryKeyList.ItemIndex];
  SQLText.SetFocus
end;

procedure TIBRefreshSQLEditorForm.FieldListDblClick(Sender: TObject);
begin
  SQLText.SelText := FieldList.Items[FieldList.ItemIndex];
  SQLText.SetFocus
end;

procedure TIBRefreshSQLEditorForm.GenerateBtnClick(Sender: TObject);
var FieldNames: TStrings;
begin
  FieldNames :=  FIBSystemTables.GetFieldNames(FieldList);
  try
    FIBSystemTables.GenerateRefreshSQL(TableNamesCombo.Text,QuoteFields.Checked,FieldNames,SQLText.Lines)
  finally
    FieldNames.Free
  end;
end;

procedure TIBRefreshSQLEditorForm.TestBtnClick(Sender: TObject);
begin
  FIBSystemTables.TestSQL(SQLText.Lines.Text,GenerateParams.Checked)
end;

procedure TIBRefreshSQLEditorForm.TableNamesComboCloseUp(Sender: TObject);
begin
  FIBSystemTables.GetFieldNames(TableNamesCombo.Text,FieldList.Items);
  FIBSystemTables.GetPrimaryKeys(TableNamesCombo.Text,PrimaryKeyList.Items);
end;

constructor TIBRefreshSQLEditorForm.Create(TheOwner: TComponent);
begin
  inherited Create(TheOwner);
  FIBSystemTables := TIBSystemTables.Create;
end;

destructor TIBRefreshSQLEditorForm.Destroy;
begin
  if assigned(FIBSystemTables) then FIBSystemTables.Free;
  inherited Destroy;
end;

procedure TIBRefreshSQLEditorForm.SetDatabase(Database: TIBDatabase);
begin
  IBTransaction1.DefaultDatabase := Database;
  FIBSystemTables.SelectDatabase(Database,IBTransaction1)
end;

end.
Revision:	33
Committed:	Sat Jul 18 12:30:52 2015 UTC (9 years, 5 months ago) by tony
Content type:	text/x-pascal
File size:	4516 byte(s)
Log Message:	Committing updates for Release R1-3-1
#	User	Rev	Content
1	tony	33	unit ibrefreshsqleditor;
2
3			{$mode objfpc}{$H+}
4
5			interface
6
7			uses
8			Classes, SysUtils, FileUtil, LResources, Forms, Controls, Graphics, Dialogs,
9			StdCtrls, IBSystemTables, IBDatabase, IBCustomDataSet;
10
11			type
12
13			{ TIBRefreshSQLEditorForm }
14
15			TIBRefreshSQLEditorForm = class(TForm)
16			Button1: TButton;
17			Button2: TButton;
18			GenerateBtn: TButton;
19			GenerateParams: TCheckBox;
20			TestBtn: TButton;
21			FieldList: TListBox;
22			IBTransaction1: TIBTransaction;
23			Label1: TLabel;
24			Label2: TLabel;
25			Label3: TLabel;
26			Label4: TLabel;
27			PrimaryKeyList: TListBox;
28			QuoteFields: TCheckBox;
29			SQLText: TMemo;
30			TableNamesCombo: TComboBox;
31			procedure GenerateBtnClick(Sender: TObject);
32			procedure TestBtnClick(Sender: TObject);
33			procedure FieldListDblClick(Sender: TObject);
34			procedure FormShow(Sender: TObject);
35			procedure PrimaryKeyListDblClick(Sender: TObject);
36			procedure TableNamesComboCloseUp(Sender: TObject);
37			private
38			{ private declarations }
39			FIBSystemTables: TIBSystemTables;
40			public
41			{ public declarations }
42			constructor Create(TheOwner: TComponent); override;
43			destructor Destroy; override;
44			procedure SetDatabase(Database: TIBDatabase);
45			end;
46
47			var
48			IBRefreshSQLEditorForm: TIBRefreshSQLEditorForm;
49
50			function EditSQL(DataSet: TIBCustomDataSet; SelectSQL: TStrings): boolean;
51
52			implementation
53
54			{$R *.lfm}
55
56			function EditSQL(DataSet: TIBCustomDataSet; SelectSQL: TStrings): boolean;
57			begin
58			Result := false;
59			if assigned(DataSet) and assigned(DataSet.Database) then
60			try
61			DataSet.Database.Connected := true;
62			except on E: Exception do
63			ShowMessage(E.Message)
64			end;
65
66			with TIBRefreshSQLEditorForm.Create(Application) do
67			try
68			if assigned(DataSet) then
69			begin
70			SetDatabase(DataSet.Database);
71			GenerateParams.Checked := DataSet.GenerateParamNames;
72			end;
73			SQLText.Lines.Assign(SelectSQL);
74			Result := ShowModal = mrOK;
75			if Result then
76			begin
77			SelectSQL.Assign(SQLText.Lines);
78			if assigned(DataSet) then
79			DataSet.GenerateParamNames := GenerateParams.Checked
80			end;
81			finally
82			Free
83			end;
84			end;
85
86			{ TIBRefreshSQLEditorForm }
87
88			procedure TIBRefreshSQLEditorForm.FormShow(Sender: TObject);
89			var TableName: string;
90			begin
91			GenerateBtn.Enabled := (IBTransaction1.DefaultDatabase <> nil) and IBTransaction1.DefaultDatabase.Connected;
92			TestBtn.Enabled := (IBTransaction1.DefaultDatabase <> nil) and IBTransaction1.DefaultDatabase.Connected;
93			TableNamesCombo.Items.Clear;
94			FIBSystemTables.GetTableNames(TableNamesCombo.Items);
95			if TableNamesCombo.Items.Count > 0 then
96			begin
97			TableNamesCombo.ItemIndex := 0;
98			if Trim(SQLText.Text) <> '' then
99			begin
100			FIBSystemTables.GetTableAndColumns(SQLText.Text,TableName,nil);
101			TableNamesCombo.ItemIndex := TableNamesCombo.Items.IndexOf(TableName)
102			end;
103			FIBSystemTables.GetFieldNames(TableNamesCombo.Text,FieldList.Items);
104			FIBSystemTables.GetPrimaryKeys(TableNamesCombo.Text,PrimaryKeyList.Items);
105			end;
106			end;
107
108			procedure TIBRefreshSQLEditorForm.PrimaryKeyListDblClick(Sender: TObject);
109			begin
110			SQLText.SelText := PrimaryKeyList.Items[PrimaryKeyList.ItemIndex];
111			SQLText.SetFocus
112			end;
113
114			procedure TIBRefreshSQLEditorForm.FieldListDblClick(Sender: TObject);
115			begin
116			SQLText.SelText := FieldList.Items[FieldList.ItemIndex];
117			SQLText.SetFocus
118			end;
119
120			procedure TIBRefreshSQLEditorForm.GenerateBtnClick(Sender: TObject);
121			var FieldNames: TStrings;
122			begin
123			FieldNames := FIBSystemTables.GetFieldNames(FieldList);
124			try
125			FIBSystemTables.GenerateRefreshSQL(TableNamesCombo.Text,QuoteFields.Checked,FieldNames,SQLText.Lines)
126			finally
127			FieldNames.Free
128			end;
129			end;
130
131			procedure TIBRefreshSQLEditorForm.TestBtnClick(Sender: TObject);
132			begin
133			FIBSystemTables.TestSQL(SQLText.Lines.Text,GenerateParams.Checked)
134			end;
135
136			procedure TIBRefreshSQLEditorForm.TableNamesComboCloseUp(Sender: TObject);
137			begin
138			FIBSystemTables.GetFieldNames(TableNamesCombo.Text,FieldList.Items);
139			FIBSystemTables.GetPrimaryKeys(TableNamesCombo.Text,PrimaryKeyList.Items);
140			end;
141
142			constructor TIBRefreshSQLEditorForm.Create(TheOwner: TComponent);
143			begin
144			inherited Create(TheOwner);
145			FIBSystemTables := TIBSystemTables.Create;
146			end;
147
148			destructor TIBRefreshSQLEditorForm.Destroy;
149			begin
150			if assigned(FIBSystemTables) then FIBSystemTables.Free;
151			inherited Destroy;
152			end;
153
154			procedure TIBRefreshSQLEditorForm.SetDatabase(Database: TIBDatabase);
155			begin
156			IBTransaction1.DefaultDatabase := Database;
157			FIBSystemTables.SelectDatabase(Database,IBTransaction1)
158			end;
159
160			end.