ViewVC Help
View File | Revision Log | Show Annotations | Download File | View Changeset | Root Listing
root/public/ibx/trunk/design/ibdeletesqleditor.pas
(Generate patch)

Comparing ibx/trunk/design/ibdeletesqleditor.pas (file contents):
Revision 5 by tony, Fri Feb 18 16:26:16 2011 UTC vs.
Revision 17 by tony, Sat Dec 28 19:22:24 2013 UTC

# Line 1 | Line 1
1 < unit ibdeletesqleditor;
2 <
3 < {$mode objfpc}{$H+}
4 <
5 < interface
6 <
7 < uses
8 <  Classes, SysUtils, FileUtil, LResources, Forms, Controls, Graphics, Dialogs,
9 <  StdCtrls, IBSystemTables, IBDatabase;
10 <
11 < type
12 <
13 <  { TIBDeleteSQLEditorForm }
14 <
15 <  TIBDeleteSQLEditorForm = class(TForm)
16 <    Button1: TButton;
17 <    Button2: TButton;
18 <    Button3: TButton;
19 <    Button4: TButton;
20 <    Label1: TLabel;
21 <    Label3: TLabel;
22 <    Label4: TLabel;
23 <    PrimaryKeyList: TListBox;
24 <    QuoteFields: TCheckBox;
25 <    SQLText: TMemo;
26 <    TableNamesCombo: TComboBox;
27 <    procedure Button3Click(Sender: TObject);
28 <    procedure Button4Click(Sender: TObject);
29 <    procedure FormShow(Sender: TObject);
30 <    procedure PrimaryKeyListDblClick(Sender: TObject);
31 <    procedure TableNamesComboCloseUp(Sender: TObject);
32 <  private
33 <    { private declarations }
34 <    FIBSystemTables: TIBSystemTables;
35 <  public
36 <    { public declarations }
37 <    constructor Create(TheOwner: TComponent); override;
38 <    destructor Destroy; override;
39 <    procedure SetDatabase(Database: TIBDatabase; Transaction: TIBTransaction);
40 <  end;
41 <
42 < var
43 <  IBDeleteSQLEditorForm: TIBDeleteSQLEditorForm;
44 <
45 < function EditSQL(Database: TIBDatabase; Transaction: TIBTransaction; SelectSQL: TStrings): boolean;
46 <
47 < implementation
48 <
49 < function EditSQL(Database: TIBDatabase; Transaction: TIBTransaction; SelectSQL: TStrings): boolean;
50 < begin
51 <  Result := false;
52 <  if assigned(Database) then
53 <  begin
54 <    if not assigned(Transaction) then
55 <    begin
56 <      if not assigned(Database.DefaultTransaction)then
57 <      begin
58 <        ShowMessage('No Default Transaction!');
59 <        Exit
60 <      end;
61 <      Transaction := Database.DefaultTransaction
62 <    end;
63 <
64 <    Database.Connected := true;
65 <  end;
66 <
67 <  with TIBDeleteSQLEditorForm.Create(Application) do
68 <  try
69 <    SetDatabase(Database,Transaction);
70 <    SQLText.Lines.Assign(SelectSQL);
71 <    Result := ShowModal = mrOK;
72 <    if Result then
73 <     SelectSQL.Assign(SQLText.Lines)
74 <  finally
75 <    Free
76 <  end;
77 < end;
78 <
79 < { TIBDeleteSQLEditorForm }
80 <
81 < procedure TIBDeleteSQLEditorForm.FormShow(Sender: TObject);
82 < begin
83 <  TableNamesCombo.Items.Clear;
84 <  FIBSystemTables.GetTableNames(TableNamesCombo.Items);
85 <  if TableNamesCombo.Items.Count > 0 then
86 <  begin
87 <    TableNamesCombo.ItemIndex := 0;
88 <    FIBSystemTables.GetPrimaryKeys(TableNamesCombo.Text,PrimaryKeyList.Items);
89 <  end;
90 < end;
91 <
92 < procedure TIBDeleteSQLEditorForm.PrimaryKeyListDblClick(Sender: TObject);
93 < begin
94 <  SQLText.SelText := PrimaryKeyList.Items[PrimaryKeyList.ItemIndex];
95 <  SQLText.SetFocus
96 < end;
97 <
98 < procedure TIBDeleteSQLEditorForm.Button3Click(Sender: TObject);
99 < begin
100 <  FIBSystemTables.GenerateDeleteSQL(TableNamesCombo.Text,QuoteFields.Checked,SQLText.Lines)
101 < end;
102 <
103 < procedure TIBDeleteSQLEditorForm.Button4Click(Sender: TObject);
104 < begin
105 <  FIBSystemTables.TestSQL(SQLText.Lines.Text)
106 < end;
107 <
108 < procedure TIBDeleteSQLEditorForm.TableNamesComboCloseUp(Sender: TObject);
109 < begin
110 <  FIBSystemTables.GetPrimaryKeys(TableNamesCombo.Text,PrimaryKeyList.Items);
111 < end;
112 <
113 < constructor TIBDeleteSQLEditorForm.Create(TheOwner: TComponent);
114 < begin
115 <  inherited Create(TheOwner);
116 <  FIBSystemTables := TIBSystemTables.Create;
117 < end;
118 <
119 < destructor TIBDeleteSQLEditorForm.Destroy;
120 < begin
121 <  if assigned(FIBSystemTables) then FIBSystemTables.Free;
122 <  inherited Destroy;
123 < end;
124 <
125 < procedure TIBDeleteSQLEditorForm.SetDatabase(Database: TIBDatabase; Transaction: TIBTransaction);
126 < begin
127 <  FIBSystemTables.SelectDatabase(Database,Transaction)
128 < end;
129 <
130 < initialization
131 <  {$I ibdeletesqleditor.lrs}
132 <
133 < end.
134 <
1 > (*
2 > *  IBX For Lazarus (Firebird Express)
3 > *
4 > *  The contents of this file are subject to the Initial Developer's
5 > *  Public License Version 1.0 (the "License"); you may not use this
6 > *  file except in compliance with the License. You may obtain a copy
7 > *  of the License here:
8 > *
9 > *    http://www.firebirdsql.org/index.php?op=doc&id=idpl
10 > *
11 > *  Software distributed under the License is distributed on an "AS
12 > *  IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
13 > *  implied. See the License for the specific language governing rights
14 > *  and limitations under the License.
15 > *
16 > *  The Initial Developer of the Original Code is Tony Whyman.
17 > *
18 > *  The Original Code is (C) 2011 Tony Whyman, MWA Software
19 > *  (http://www.mwasoftware.co.uk).
20 > *
21 > *  All Rights Reserved.
22 > *
23 > *  Contributor(s): ______________________________________.
24 > *
25 > *)
26 >
27 > unit ibdeletesqleditor;
28 >
29 > {$mode objfpc}{$H+}
30 >
31 > interface
32 >
33 > uses
34 >  Classes, SysUtils, FileUtil, Forms, Controls, Graphics, Dialogs,
35 >  StdCtrls, IBSystemTables, IBDatabase;
36 >
37 > type
38 >
39 >  { TIBDeleteSQLEditorForm }
40 >
41 >  TIBDeleteSQLEditorForm = class(TForm)
42 >    Button1: TButton;
43 >    Button2: TButton;
44 >    GenerateBtn: TButton;
45 >    TestBtn: TButton;
46 >    IBTransaction1: TIBTransaction;
47 >    Label1: TLabel;
48 >    Label3: TLabel;
49 >    Label4: TLabel;
50 >    PrimaryKeyList: TListBox;
51 >    QuoteFields: TCheckBox;
52 >    SQLText: TMemo;
53 >    TableNamesCombo: TComboBox;
54 >    procedure GenerateBtnClick(Sender: TObject);
55 >    procedure TestBtnClick(Sender: TObject);
56 >    procedure FormShow(Sender: TObject);
57 >    procedure PrimaryKeyListDblClick(Sender: TObject);
58 >    procedure TableNamesComboCloseUp(Sender: TObject);
59 >  private
60 >    { private declarations }
61 >    FIBSystemTables: TIBSystemTables;
62 >  public
63 >    { public declarations }
64 >    constructor Create(TheOwner: TComponent); override;
65 >    destructor Destroy; override;
66 >    procedure SetDatabase(Database: TIBDatabase);
67 >  end;
68 >
69 > var
70 >  IBDeleteSQLEditorForm: TIBDeleteSQLEditorForm;
71 >
72 > function EditSQL(Database: TIBDatabase; SelectSQL: TStrings): boolean;
73 >
74 > implementation
75 >
76 > {$R *.lfm}
77 >
78 > function EditSQL(Database: TIBDatabase; SelectSQL: TStrings): boolean;
79 > begin
80 >  Result := false;
81 >  if assigned(Database) then
82 >    try
83 >      Database.Connected := true;
84 >    except on E: Exception do
85 >      ShowMessage(E.Message)
86 >    end;
87 >
88 >  with TIBDeleteSQLEditorForm.Create(Application) do
89 >  try
90 >    SetDatabase(Database);
91 >    SQLText.Lines.Assign(SelectSQL);
92 >    Result := ShowModal = mrOK;
93 >    if Result then
94 >     SelectSQL.Assign(SQLText.Lines)
95 >  finally
96 >    Free
97 >  end;
98 > end;
99 >
100 > { TIBDeleteSQLEditorForm }
101 >
102 > procedure TIBDeleteSQLEditorForm.FormShow(Sender: TObject);
103 > var TableName: string;
104 > begin
105 >  GenerateBtn.Enabled := (IBTransaction1.DefaultDatabase <> nil) and IBTransaction1.DefaultDatabase.Connected;
106 >  TestBtn.Enabled := (IBTransaction1.DefaultDatabase <> nil) and IBTransaction1.DefaultDatabase.Connected;
107 >  TableNamesCombo.Items.Clear;
108 >  try
109 >  FIBSystemTables.GetTableNames(TableNamesCombo.Items);
110 >  if TableNamesCombo.Items.Count > 0 then
111 >  begin
112 >    TableNamesCombo.ItemIndex := 0;
113 >    if Trim(SQLText.Text) <> '' then
114 >    begin
115 >      FIBSystemTables.GetTableAndColumns(SQLText.Text,TableName,nil);
116 >      TableNamesCombo.ItemIndex := TableNamesCombo.Items.IndexOf(TableName)
117 >    end;
118 >    FIBSystemTables.GetPrimaryKeys(TableNamesCombo.Text,PrimaryKeyList.Items);
119 >  end;
120 >  except {ignore} end;
121 > end;
122 >
123 > procedure TIBDeleteSQLEditorForm.PrimaryKeyListDblClick(Sender: TObject);
124 > begin
125 >  SQLText.SelText := PrimaryKeyList.Items[PrimaryKeyList.ItemIndex];
126 >  SQLText.SetFocus
127 > end;
128 >
129 > procedure TIBDeleteSQLEditorForm.GenerateBtnClick(Sender: TObject);
130 > begin
131 >  FIBSystemTables.GenerateDeleteSQL(TableNamesCombo.Text,QuoteFields.Checked,SQLText.Lines)
132 > end;
133 >
134 > procedure TIBDeleteSQLEditorForm.TestBtnClick(Sender: TObject);
135 > begin
136 >  FIBSystemTables.TestSQL(SQLText.Lines.Text)
137 > end;
138 >
139 > procedure TIBDeleteSQLEditorForm.TableNamesComboCloseUp(Sender: TObject);
140 > begin
141 >  FIBSystemTables.GetPrimaryKeys(TableNamesCombo.Text,PrimaryKeyList.Items);
142 > end;
143 >
144 > constructor TIBDeleteSQLEditorForm.Create(TheOwner: TComponent);
145 > begin
146 >  inherited Create(TheOwner);
147 >  FIBSystemTables := TIBSystemTables.Create;
148 > end;
149 >
150 > destructor TIBDeleteSQLEditorForm.Destroy;
151 > begin
152 >  if assigned(FIBSystemTables) then FIBSystemTables.Free;
153 >  inherited Destroy;
154 > end;
155 >
156 > procedure TIBDeleteSQLEditorForm.SetDatabase(Database: TIBDatabase);
157 > begin
158 >  IBTransaction1.DefaultDatabase := Database;
159 >  FIBSystemTables.SelectDatabase(Database,IBTransaction1)
160 > end;
161 >
162 > end.
163 >

Diff Legend

Removed lines
+ Added lines
< Changed lines
> Changed lines