488 lines
14 KiB
Plaintext
488 lines
14 KiB
Plaintext
(*
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* CDDL HEADER START
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*
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* The contents of this file are subject to the terms of the
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* Common Development and Distribution License, Version 1.0 only
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* (the "License"). You may not use this file except in compliance
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* with the License.
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*
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* You can obtain a copy of the license at
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* http://www.opensource.org/licenses/cddl1.php.
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* See the License for the specific language governing permissions
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* and limitations under the License.
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*
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* When distributing Covered Code, include this CDDL HEADER in each
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* file and include the License file at
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* http://www.opensource.org/licenses/cddl1.php. If applicable,
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* add the following below this CDDL HEADER, with the fields enclosed
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* by brackets "[]" replaced with your own identifying * information:
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* Portions Copyright [yyyy] [name of copyright owner]
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*
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* CDDL HEADER END
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*
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*
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* Portions Copyright 2008 Andreas Schneider
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*)
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unit UfrmAccountControl;
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{$mode objfpc}{$H+}
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interface
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uses
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Classes, SysUtils, LResources, Forms, Controls, Graphics, Dialogs, ComCtrls,
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StdCtrls, ExtCtrls, laz.VirtualTrees, Math, UEnhancedMemoryStream, UEnums;
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type
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{ TfrmAccountControl }
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TfrmAccountControl = class(TForm)
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ilToolbar: TImageList;
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ilAccesslevel: TImageList;
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tbMain: TToolBar;
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tbRefresh: TToolButton;
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tbAddUser: TToolButton;
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tbEditUser: TToolButton;
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tbDeleteUser: TToolButton;
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tbSeparator1: TToolButton;
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vstAccounts: TLazVirtualStringTree;
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procedure tbEditUserClick(Sender: TObject);
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procedure FormClose(Sender: TObject; var CloseAction: TCloseAction);
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procedure FormCreate(Sender: TObject);
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procedure FormDestroy(Sender: TObject);
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procedure FormShow(Sender: TObject);
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procedure tbAddUserClick(Sender: TObject);
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procedure tbDeleteUserClick(Sender: TObject);
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procedure tbRefreshClick(Sender: TObject);
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procedure vstAccountsCompareNodes(Sender: TBaseVirtualTree; Node1,
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Node2: PVirtualNode; Column: TColumnIndex; var Result: Integer);
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procedure vstAccountsDblClick(Sender: TObject);
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procedure vstAccountsFreeNode(Sender: TBaseVirtualTree; Node: PVirtualNode);
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procedure vstAccountsGetHint(Sender: TBaseVirtualTree; Node: PVirtualNode;
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Column: TColumnIndex; var LineBreakStyle: TVTTooltipLineBreakStyle;
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var HintText: String);
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procedure vstAccountsGetImageIndex(Sender: TBaseVirtualTree;
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Node: PVirtualNode; Kind: TVTImageKind; Column: TColumnIndex;
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var Ghosted: Boolean; var ImageIndex: Integer);
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procedure vstAccountsGetText(Sender: TBaseVirtualTree; Node: PVirtualNode;
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Column: TColumnIndex; TextType: TVSTTextType; var CellText: String);
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procedure vstAccountsHeaderClick(Sender: TVTHeader; Column: TColumnIndex;
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Button: TMouseButton; Shift: TShiftState; X, Y: Integer);
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protected
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procedure OnModifyUserResponse(ABuffer: TEnhancedMemoryStream);
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procedure OnDeleteUserResponse(ABuffer: TEnhancedMemoryStream);
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procedure OnListUsersPacket(ABuffer: TEnhancedMemoryStream);
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function FindNode(AUsername: string): PVirtualNode;
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private
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procedure OnListModified;
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end;
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var
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frmAccountControl: TfrmAccountControl;
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implementation
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uses
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UdmNetwork, UPacket, UPacketHandlers, UAdminHandling, UfrmEditAccount;
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type
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PAccountInfo = ^TAccountInfo;
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TAccountInfo = record
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Username: string;
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AccessLevel: TAccessLevel;
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Regions: TStringList;
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end;
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{ TModifyUserPacket }
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TModifyUserPacket = class(TPacket)
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constructor Create(AUsername, APassword: string; AAccessLevel: TAccessLevel;
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ARegions: TStrings);
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end;
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{ TDeleteUserPacket }
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TDeleteUserPacket = class(TPacket)
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constructor Create(AUsername: string);
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end;
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{ TRequestUserListPacket }
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TRequestUserListPacket = class(TPacket)
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constructor Create;
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end;
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{ TModifyUserPacket }
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constructor TModifyUserPacket.Create(AUsername, APassword: string;
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AAccessLevel: TAccessLevel; ARegions: TStrings);
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var
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regionCount: Byte;
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i: Integer;
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begin
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inherited Create($03, 0);
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FStream.WriteByte($05);
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FStream.WriteStringNull(AUsername);
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FStream.WriteStringNull(APassword);
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FStream.WriteByte(Byte(AAccessLevel));
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regionCount := Min(ARegions.Count, 256);
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FStream.WriteByte(regionCount);
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for i := 0 to regionCount - 1 do
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FStream.WriteStringNull(ARegions.Strings[i]);
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end;
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{ TDeleteUserPacket }
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constructor TDeleteUserPacket.Create(AUsername: string);
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begin
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inherited Create($03, 0);
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FStream.WriteByte($06);
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FStream.WriteStringNull(AUsername);
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end;
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{ TRequestUserListPacket }
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constructor TRequestUserListPacket.Create;
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begin
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inherited Create($03, 0);
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FStream.WriteByte($07);
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end;
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{ TfrmAccountControl }
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procedure TfrmAccountControl.FormCreate(Sender: TObject);
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begin
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vstAccounts.NodeDataSize := SizeOf(TAccountInfo);
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AssignAdminPacketHandler($05, TPacketHandler.Create(0, @OnModifyUserResponse));
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AssignAdminPacketHandler($06, TPacketHandler.Create(0, @OnDeleteUserResponse));
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AssignAdminPacketHandler($07, TPacketHandler.Create(0, @OnListUsersPacket));
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end;
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procedure TfrmAccountControl.FormClose(Sender: TObject;
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var CloseAction: TCloseAction);
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begin
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CloseAction := caHide;
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end;
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procedure TfrmAccountControl.tbEditUserClick(Sender: TObject);
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var
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selected: PVirtualNode;
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accountInfo: PAccountInfo;
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regions: TStrings;
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begin
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selected := vstAccounts.GetFirstSelected;
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if selected <> nil then
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begin
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accountInfo := vstAccounts.GetNodeData(selected);
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with frmEditAccount do
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begin
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edUsername.Text := accountInfo^.Username;
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edUsername.Color := clBtnFace;
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edUsername.ReadOnly := True;
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edPassword.Text := '';
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lblPasswordHint.Visible := True;
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SetAccessLevel(accountInfo^.AccessLevel);
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SetRegions(accountInfo^.Regions);
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if ShowModal = mrOK then
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begin
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regions := GetRegions;
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dmNetwork.Send(TModifyUserPacket.Create(edUsername.Text,
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edPassword.Text, GetAccessLevel, regions));
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regions.Free;
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end;
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end;
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end;
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end;
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procedure TfrmAccountControl.FormDestroy(Sender: TObject);
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begin
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if AdminPacketHandlers[$05] <> nil then FreeAndNil(AdminPacketHandlers[$05]);
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if AdminPacketHandlers[$06] <> nil then FreeAndNil(AdminPacketHandlers[$06]);
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if AdminPacketHandlers[$07] <> nil then FreeAndNil(AdminPacketHandlers[$07]);
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end;
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procedure TfrmAccountControl.FormShow(Sender: TObject);
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begin
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tbRefreshClick(Sender);
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end;
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procedure TfrmAccountControl.tbAddUserClick(Sender: TObject);
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var
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regions: TStrings;
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begin
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with frmEditAccount do
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begin
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edUsername.Text := '';
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edUsername.Color := clWindow;
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edUsername.ReadOnly := False;
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edPassword.Text := '';
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lblPasswordHint.Visible := False;
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cbAccessLevel.ItemIndex := 2;
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SetRegions(nil);
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if ShowModal = mrOK then
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begin
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regions := GetRegions;
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dmNetwork.Send(TModifyUserPacket.Create(edUsername.Text, edPassword.Text,
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GetAccessLevel, regions));
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regions.Free;
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end;
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end;
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end;
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procedure TfrmAccountControl.tbDeleteUserClick(Sender: TObject);
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var
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selected: PVirtualNode;
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accountInfo: PAccountInfo;
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begin
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selected := vstAccounts.GetFirstSelected;
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if selected <> nil then
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begin
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accountInfo := vstAccounts.GetNodeData(selected);
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if MessageDlg('Confirmation', Format('Do you really want to delete "%s"?',
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[accountInfo^.Username]), mtConfirmation, [mbYes, mbNo], 0) = mrYes then
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dmNetwork.Send(TDeleteUserPacket.Create(accountInfo^.Username));
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end;
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end;
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procedure TfrmAccountControl.tbRefreshClick(Sender: TObject);
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begin
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dmNetwork.Send(TRequestUserListPacket.Create);
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end;
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procedure TfrmAccountControl.vstAccountsCompareNodes(Sender: TBaseVirtualTree;
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Node1, Node2: PVirtualNode; Column: TColumnIndex; var Result: Integer);
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var
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accountInfo1, accountInfo2: PAccountInfo;
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begin
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accountInfo1 := Sender.GetNodeData(Node1);
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accountInfo2 := Sender.GetNodeData(Node2);
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case Column of
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1: Result := CompareText(accountInfo1^.Username, accountInfo2^.Username);
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2: Result := Integer(accountInfo1^.AccessLevel) - Integer(accountInfo2^.AccessLevel);
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end;
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end;
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procedure TfrmAccountControl.vstAccountsDblClick(Sender: TObject);
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begin
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tbEditUserClick(Sender);
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end;
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procedure TfrmAccountControl.vstAccountsFreeNode(Sender: TBaseVirtualTree;
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Node: PVirtualNode);
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var
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accountInfo: PAccountInfo;
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begin
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accountInfo := vstAccounts.GetNodeData(Node);
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accountInfo^.Username := '';
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if accountInfo^.Regions <> nil then FreeAndNil(accountInfo^.Regions);
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end;
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procedure TfrmAccountControl.vstAccountsGetHint(Sender: TBaseVirtualTree;
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Node: PVirtualNode; Column: TColumnIndex;
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var LineBreakStyle: TVTTooltipLineBreakStyle; var HintText: String);
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var
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accountInfo: PAccountInfo;
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begin
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if Column = 3 then
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begin
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accountInfo := Sender.GetNodeData(Node);
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if accountInfo^.Regions.Count > 0 then
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HintText := Trim(accountInfo^.Regions.Text);
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end;
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end;
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procedure TfrmAccountControl.vstAccountsGetImageIndex(Sender: TBaseVirtualTree;
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Node: PVirtualNode; Kind: TVTImageKind; Column: TColumnIndex;
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var Ghosted: Boolean; var ImageIndex: Integer);
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var
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accountInfo: PAccountInfo;
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begin
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accountInfo := Sender.GetNodeData(Node);
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if Column = 0 then
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begin
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case accountInfo^.AccessLevel of
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alNone: ImageIndex := 0;
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alView: ImageIndex := 1;
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alNormal:
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begin
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if accountInfo^.Regions.Count > 0 then
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ImageIndex := 2
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else
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ImageIndex := 3;
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end;
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alAdministrator: ImageIndex := 4;
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end;
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end else if Column = 3 then
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begin
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if accountInfo^.Regions.Count > 0 then
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ImageIndex := 5;
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end;
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end;
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procedure TfrmAccountControl.vstAccountsGetText(Sender: TBaseVirtualTree;
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Node: PVirtualNode; Column: TColumnIndex; TextType: TVSTTextType;
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var CellText: String);
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var
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accountInfo: PAccountInfo;
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begin
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accountInfo := Sender.GetNodeData(Node);
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case Column of
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1: CellText := accountInfo^.Username;
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2: CellText := GetAccessLevelString(accountInfo^.AccessLevel);
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else
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CellText := '';
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end;
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end;
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procedure TfrmAccountControl.vstAccountsHeaderClick(Sender: TVTHeader;
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Column: TColumnIndex; Button: TMouseButton; Shift: TShiftState; X, Y: Integer);
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begin
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if Column in [1, 2] then
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begin
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if Sender.SortColumn <> Column then
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begin
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Sender.SortColumn := Column;
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Sender.SortDirection := sdAscending;
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end else
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begin
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case Sender.SortDirection of
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sdAscending: Sender.SortDirection := sdDescending;
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sdDescending: Sender.SortDirection := sdAscending;
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end;
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end;
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Sender.Treeview.SortTree(Sender.SortColumn, Sender.SortDirection);
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end;
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end;
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procedure TfrmAccountControl.OnModifyUserResponse(ABuffer: TEnhancedMemoryStream);
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var
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node: PVirtualNode;
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modifyStatus: TModifyUserStatus;
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username: string;
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accountInfo: PAccountInfo;
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i, regions: Integer;
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begin
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modifyStatus := TModifyUserStatus(ABuffer.ReadByte);
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username := ABuffer.ReadStringNull;
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case modifyStatus of
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muAdded:
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begin
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node := vstAccounts.AddChild(nil);
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accountInfo := vstAccounts.GetNodeData(node);
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accountInfo^.Username := username;
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accountInfo^.AccessLevel := TAccessLevel(ABuffer.ReadByte);
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accountInfo^.Regions := TStringList.Create;
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regions := ABuffer.ReadByte;
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for i := 0 to regions - 1 do
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accountInfo^.Regions.Add(ABuffer.ReadStringNull);
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OnListModified;
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Messagedlg('Success', Format('The user "%s" has been added.', [username]),
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mtInformation, [mbOK], 0);
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end;
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muModified:
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begin
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node := FindNode(username);
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if node <> nil then
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begin
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accountInfo := vstAccounts.GetNodeData(node);
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accountInfo^.AccessLevel := TAccessLevel(ABuffer.ReadByte);
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accountInfo^.Regions.Clear;
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regions := ABuffer.ReadByte;
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for i := 0 to regions - 1 do
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accountInfo^.Regions.Add(ABuffer.ReadStringNull);
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OnListModified;
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Messagedlg('Success', Format('The user "%s" has been modified.', [username]),
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mtInformation, [mbOK], 0);
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end;
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end;
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muInvalidUsername:
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MessageDlg('Error', Format('The username "%s" is not valid.', [username]),
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mtError, [mbOK], 0);
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end;
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end;
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procedure TfrmAccountControl.OnDeleteUserResponse(ABuffer: TEnhancedMemoryStream);
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var
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node: PVirtualNode;
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deleteStatus: TDeleteUserStatus;
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username: string;
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begin
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deleteStatus := TDeleteUserStatus(ABuffer.ReadByte);
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username := ABuffer.ReadStringNull;
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case deleteStatus of
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duDeleted:
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begin
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node := FindNode(username);
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if node <> nil then
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begin
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vstAccounts.DeleteNode(node);
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OnListModified;
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Messagedlg('Success', Format('The user "%s" has been deleted.', [username]),
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mtInformation, [mbOK], 0);
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end;
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end;
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duNotFound:
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MessageDlg('Error', Format('The user "%s" could not be deleted. Maybe ' +
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'your list is out of date or you tried to delete yourself.', [username]),
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mtError, [mbOK], 0);
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end;
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end;
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procedure TfrmAccountControl.OnListUsersPacket(ABuffer: TEnhancedMemoryStream);
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var
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node: PVirtualNode;
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accountInfo: PAccountInfo;
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i, j, count, regions: Integer;
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begin
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vstAccounts.BeginUpdate;
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vstAccounts.Clear;
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count := ABuffer.ReadWord;
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for i := 1 to count do
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begin
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node := vstAccounts.AddChild(nil);
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accountInfo := vstAccounts.GetNodeData(node);
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accountInfo^.Username := ABuffer.ReadStringNull;
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accountInfo^.AccessLevel := TAccessLevel(ABuffer.ReadByte);
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accountInfo^.Regions := TStringList.Create;
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regions := ABuffer.ReadByte;
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for j := 0 to regions - 1 do
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accountInfo^.Regions.Add(ABuffer.ReadStringNull);
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end;
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vstAccounts.EndUpdate;
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OnListModified;
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end;
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function TfrmAccountControl.FindNode(AUsername: string): PVirtualNode;
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var
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node: PVirtualNode;
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accountInfo: PAccountInfo;
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begin
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Result := nil;
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node := vstAccounts.GetFirst;
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while (node <> nil) and (Result = nil) do
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begin
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accountInfo := vstAccounts.GetNodeData(node);
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if accountInfo^.Username = AUsername then
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Result := node;
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node := vstAccounts.GetNext(node);
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end;
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end;
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procedure TfrmAccountControl.OnListModified;
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begin
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vstAccounts.Header.SortColumn := -1;
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end;
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initialization
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{$I UfrmAccountControl.lrs}
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end.
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