mirror of
https://github.com/HeidiSQL/HeidiSQL.git
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4e23728aa2
- Consequently use Mainform.GetRegValue() to read these values, an overloaded method with either Boolean, String or Integer result. These methods keep a global TRegistry object (regMain) open while the application runs, rather than creating a new one for each caller. - Remove Mainform.SaveRegValue() which was used in one or two callers. Rather use a TRegistry object and do that by hand. There's no significant advantage in using a SaveRegValue method currently.
386 lines
11 KiB
ObjectPascal
386 lines
11 KiB
ObjectPascal
unit connections;
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// -------------------------------------
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// Connections (start-window)
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// -------------------------------------
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interface
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uses
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Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
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StdCtrls, Registry, Buttons, ExtCtrls, ZPlainMySqlDriver;
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type
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Tconnform = class(TForm)
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EditHost: TEdit;
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lblHost: TLabel;
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lblUsername: TLabel;
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EditUsername: TEdit;
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lblPassword: TLabel;
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EditPassword: TEdit;
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lblPort: TLabel;
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EditPort: TEdit;
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lblTimeout: TLabel;
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EditTimeout: TEdit;
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pnlScreen: TPanel;
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ComboBoxDescription: TComboBox;
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Image1: TImage;
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lblDescription: TLabel;
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ButtonSave: TBitBtn;
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ButtonNew: TBitBtn;
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ButtonDelete: TBitBtn;
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Bevel1: TBevel;
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ButtonCancel: TButton;
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ButtonConnect: TButton;
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CheckBoxCompressed: TCheckBox;
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lblSeconds: TLabel;
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lblOnlyDBs: TLabel;
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EditOnlyDBs: TEdit;
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TimerCloseFormReminder: TTimer;
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ButtonEditDesc: TSpeedButton;
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CheckBoxSorted: TCheckBox;
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ButtonSaveAndConnect: TButton;
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procedure ButtonSaveAndConnectClick(Sender: TObject);
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procedure FormClose(Sender: TObject; var Action: TCloseAction);
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procedure ButtonCancelClick(Sender: TObject);
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procedure ButtonConnectClick(Sender: TObject);
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procedure FormShow(Sender: TObject);
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procedure ButtonSaveClick(Sender: TObject);
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procedure ButtonNewClick(Sender: TObject);
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procedure ButtonDeleteClick(Sender: TObject);
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procedure ComboBoxDescriptionClick(Sender: TObject);
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procedure EnableDisable(Enable: Boolean);
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procedure Modified(Sender: TObject);
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procedure TimerCloseFormReminderTimer(Sender: TObject);
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procedure ButtonEditDescClick(Sender: TObject);
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private
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{ Private declarations }
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public
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{ Public declarations }
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end;
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function ConnectionWindow (AOwner : TComponent; AFlags : String = '') : Boolean;
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implementation
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uses Main, helpers, MysqlQueryThread, ChildWin;
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{$I const.inc}
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{$R *.DFM}
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function ConnectionWindow (AOwner : TComponent; AFlags : String = '') : Boolean;
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var
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f : Tconnform;
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begin
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f := Tconnform.Create(AOwner);
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Result := (f.ShowModal = mrOK);
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FreeAndNil (f);
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end;
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// Cancel
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procedure Tconnform.ButtonCancelClick(Sender: TObject);
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begin
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close;
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end;
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// Connect
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procedure Tconnform.ButtonConnectClick(Sender: TObject);
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var
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reg : TRegistry;
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begin
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Screen.Cursor := crSQLWait;
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ButtonConnect.Enabled := false;
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if Mainform.CreateMDIChild(
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EditHost.Text,
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EditPort.Text,
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EditUsername.Text,
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EditPassword.Text,
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EditOnlyDBs.Text,
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EditTimeout.Text,
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IntToStr(Integer(CheckBoxCompressed.Checked)),
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IntToStr(Integer(CheckboxSorted.Checked)),
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ComboboxDescription.Text) then
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begin
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// Save last connection name to registry
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reg := TRegistry.Create;
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if reg.OpenKey(REGPATH, true) then
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reg.WriteString(REGNAME_LASTSESSION, ComboBoxDescription.Text);
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reg.CloseKey;
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reg.Free;
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Close;
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end else
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ButtonConnect.Enabled := True;
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Screen.Cursor := crDefault;
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end;
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// Read all connections from registry
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procedure Tconnform.FormClose(Sender: TObject; var Action: TCloseAction);
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begin
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Action := caFree;
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end;
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procedure Tconnform.FormShow(Sender: TObject);
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var
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i : Integer;
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lastcon : String;
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AutoReconnect : Boolean;
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reg : TRegistry;
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begin
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Screen.Cursor := crHourglass;
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ComboBoxDescription.Items.Clear;
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ComboBoxDescription.Text := '';
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reg := TRegistry.Create;
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if reg.OpenKey(REGPATH + REGKEY_SESSIONS, true) then
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begin
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reg.GetKeyNames(ComboBoxDescription.Items);
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reg.Free;
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end;
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lastcon := Mainform.GetRegValue(REGNAME_LASTSESSION, '');
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AutoReconnect := Mainform.GetRegValue(REGNAME_AUTORECONNECT, DEFAULT_AUTORECONNECT);
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if ComboBoxDescription.Items.Count > 0 then
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begin
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EnableDisable(true);
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// select one connection
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with ComboBoxDescription do
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begin
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ItemIndex := 0;
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for i:=0 to Items.Count -1 do
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if Items[i] = lastcon then
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ItemIndex := i;
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end;
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ComboBoxDescriptionClick(self);
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ComboBoxDescription.SetFocus;
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end else
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begin
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EditHost.Text := '';
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EditUsername.Text := '';
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EditPassword.Text := '';
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EditPort.Text := '';
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EditTimeout.Text := '';
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EditOnlyDBs.Text := '';
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CheckBoxCompressed.Checked := false;
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CheckBoxSorted.Checked := true;
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EnableDisable(false);
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end;
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Screen.Cursor := crDefault;
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if not main.appstarted then
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begin
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main.appstarted := true;
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if AutoReconnect and (ComboBoxDescription.ItemIndex > -1) then
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begin
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ButtonConnectClick(self);
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TimerCloseFormReminder.Enabled := true;
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end;
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end;
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MainForm.ShowStatus( STATUS_MSG_READY, 2 );
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end;
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procedure Tconnform.ButtonSaveAndConnectClick(Sender: TObject);
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begin
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ButtonSaveClick( Sender );
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ButtonConnectClick( Sender );
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end;
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procedure Tconnform.ButtonSaveClick(Sender: TObject);
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begin
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// save connection!
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Screen.Cursor := crHourglass;
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with TRegistry.Create do
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begin
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if OpenKey(REGPATH + REGKEY_SESSIONS + ComboBoxDescription.Text, true) then
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begin
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WriteString(REGNAME_HOST, EditHost.Text);
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WriteString(REGNAME_USER, EditUsername.Text);
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WriteString(REGNAME_PASSWORD, encrypt(EditPassword.Text));
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WriteString(REGNAME_PORT, EditPort.Text);
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WriteString(REGNAME_TIMEOUT, EditTimeout.Text);
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WriteBool(REGNAME_COMPRESSED, CheckBoxCompressed.Checked);
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WriteString(REGNAME_ONLYDBS, EditOnlyDBs.Text);
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WriteBool(REGNAME_ONLYDBSSORTED, CheckBoxSorted.Checked);
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CloseKey;
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end;
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Free;
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end;
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ComboBoxDescriptionClick(self);
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Screen.Cursor := crDefault;
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end;
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procedure Tconnform.ButtonNewClick(Sender: TObject);
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var
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i : Integer;
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description : String;
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begin
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// save new connection!
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with TRegistry.Create do
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begin
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i := 0;
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description := 'New Connection';
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while KeyExists(REGPATH + REGKEY_SESSIONS + description) do
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begin
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inc(i);
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description := 'New Connection' + ' (' + inttostr(i) + ')';
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end;
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if not InputQuery('New Connection...', 'Description:', description) then
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exit;
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if KeyExists(REGPATH + REGKEY_SESSIONS + description) then
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begin
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MessageDlg('Entry "' + description + '" already exists!', mtError, [mbOK], 0);
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exit;
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end;
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Screen.Cursor := crHourglass;
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ComboBoxDescription.Items.Add(description);
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ComboBoxDescription.ItemIndex := ComboBoxDescription.Items.Count - 1;
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if OpenKey(REGPATH + REGKEY_SESSIONS + ComboBoxDescription.Text, true) then
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begin
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WriteString(REGNAME_HOST, DEFAULT_HOST);
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WriteString(REGNAME_USER, DEFAULT_USER);
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WriteString(REGNAME_PASSWORD, encrypt(DEFAULT_PASSWORD));
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WriteString(REGNAME_PORT, inttostr(DEFAULT_PORT));
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WriteString(REGNAME_TIMEOUT, inttostr(DEFAULT_TIMEOUT));
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WriteBool(REGNAME_COMPRESSED, DEFAULT_COMPRESSED);
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WriteString(REGNAME_ONLYDBS, '');
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WriteBool(REGNAME_ONLYDBSSORTED, DEFAULT_ONLYDBSSORTED);
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CloseKey;
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end;
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Free;
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end;
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EnableDisable(true);
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// show parameters:
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ComboBoxDescriptionClick(self);
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Screen.Cursor := crDefault;
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end;
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procedure Tconnform.ButtonDeleteClick(Sender: TObject);
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begin
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if MessageDlg('Delete Entry "' + ComboBoxDescription.Text + '" ?', mtConfirmation, [mbYes, mbCancel], 0) = mrYes then
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begin
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with TRegistry.Create do
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begin
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if not DeleteKey(REGPATH + REGKEY_SESSIONS + ComboBoxDescription.Text) then
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MessageDlg('Error while deleting Key from Registry!', mtError, [mbOK], 0);
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Free;
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end;
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FormShow(self);
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end;
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end;
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procedure Tconnform.ComboBoxDescriptionClick(Sender: TObject);
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var
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sessname : String;
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begin
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// select one connection!
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Screen.Cursor := crHourglass;
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sessname := ComboBoxDescription.Text;
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EditHost.Text := Mainform.GetRegValue(REGNAME_HOST, '', sessname);
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EditUsername.Text := Mainform.GetRegValue(REGNAME_USER, '', sessname);
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EditPassword.Text := decrypt(Mainform.GetRegValue(REGNAME_PASSWORD, '', sessname));
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EditPort.Text := Mainform.GetRegValue(REGNAME_PORT, '', sessname);
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EditTimeout.Text := Mainform.GetRegValue(REGNAME_TIMEOUT, '', sessname);;
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CheckBoxCompressed.Checked := Mainform.GetRegValue(REGNAME_COMPRESSED, DEFAULT_COMPRESSED, sessname);
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EditOnlyDBs.Text := Mainform.GetRegValue(REGNAME_ONLYDBS, '', sessname);
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CheckBoxSorted.Checked := Mainform.GetRegValue(REGNAME_ONLYDBSSORTED, DEFAULT_ONLYDBSSORTED, sessname);
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ButtonSave.Enabled := false;
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ButtonSaveAndConnect.Enabled := ButtonSave.Enabled;
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ButtonEditDesc.Enabled := ComboBoxDescription.ItemIndex > -1;
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Screen.Cursor := crDefault;
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end;
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procedure Tconnform.EnableDisable(Enable: Boolean);
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begin
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// enable or disable all controls
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ComboBoxDescription.Enabled := Enable;
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ButtonConnect.Enabled := Enable;
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ButtonSave.Enabled := Enable;
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ButtonSaveAndConnect.Enabled := Enable;
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ButtonDelete.Enabled := Enable;
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ButtonEditDesc.Enabled := Enable;
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EditHost.Enabled := Enable;
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EditUsername.Enabled := Enable;
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EditPassword.Enabled := Enable;
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EditPort.Enabled := Enable;
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EditTimeout.Enabled := Enable;
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EditOnlyDBs.Enabled := Enable;
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CheckBoxCompressed.Enabled := Enable;
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CheckBoxSorted.Enabled := Enable;
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lblHost.Enabled := Enable;
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lblUsername.Enabled := Enable;
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lblPassword.Enabled := Enable;
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lblPort.Enabled := Enable;
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lblTimeout.Enabled := Enable;
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lblDescription.Enabled := Enable;
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lblSeconds.Enabled := Enable;
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lblOnlyDBs.Enabled := Enable;
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end;
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procedure Tconnform.Modified(Sender: TObject);
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begin
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ButtonSave.Enabled := true;
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ButtonSaveAndConnect.Enabled := true;
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CheckBoxSorted.Enabled := EditOnlyDBs.Text <> '';
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end;
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procedure Tconnform.TimerCloseFormReminderTimer(Sender: TObject);
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begin
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TimerCloseFormReminder.Enabled := false;
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close;
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end;
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{ rename connection-description }
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procedure Tconnform.ButtonEditDescClick(Sender: TObject);
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var
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newdesc, olddesc : String;
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idx : Integer;
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begin
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olddesc := ComboBoxDescription.Text;
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newdesc := olddesc;
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if not InputQuery('Rename description', 'Rename description:', newdesc) then
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exit;
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if newdesc = olddesc then
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exit;
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if ComboBoxDescription.Items.IndexOf(newdesc) > -1 then begin
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MessageDLG('Description "'+newdesc+'" already exists!', mtError, [mbCancel], 0);
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exit;
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end;
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with TRegistry.Create do begin
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idx := ComboBoxDescription.ItemIndex;
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try
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MoveKey(REGPATH + REGKEY_SESSIONS + olddesc, REGPATH + REGKEY_SESSIONS + newdesc, true);
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ComboBoxDescription.Items[ComboBoxDescription.ItemIndex] := newdesc;
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ComboBoxDescription.ItemIndex := idx;
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ComboBoxDescriptionClick(self);
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except
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MessageDLG('Error on renaming.', mtError, [mbCancel], 0);
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end;
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Free;
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end;
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end;
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end.
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