wbhelpviewer.pas

wbs43open-src.zip 数字隐藏工具

unit wbHelpViewer;

interface

uses
  SysUtils, Types, Classes, Variants, QGraphics, QControls, QForms, QDialogs,
  QComCtrls, HelpIntfs;

type
  THelpForm = class(TForm,ICustomHelpViewer,IExtendedHelpViewer)
    TextBrowser1: TTextBrowser;
  private
    { Private declarations }
    myID: Integer;
    helpMgr: IHelpManager;
  public
    procedure InitHelp(ihm: IHelpManager);

    function CanShowTableOfContents: Boolean;
    function GetHelpStrings(const HelpString: String): TStringList;
    function GetViewerName: String;
    procedure NotifyID(const ViewerID: Integer);
    procedure ShowHelp(const HelpString: String);
    procedure ShowTableOfContents;
    procedure ShutDown;
    procedure SoftShutDown;
    function UnderstandsKeyword(const HelpString: String): Integer;
    function UnderstandsTopic(const Topic: String): Boolean;
    function UnderstandsContext(const ContextID: Integer; const HelpFileName: String): Boolean;
    procedure DisplayTopic(const Topic: String);
    procedure DisplayHelpByContext(const ContextID: Integer; const HelpFileName: String);
    destructor Destroy; virtual;

end;

var
  HelpForm: THelpForm;

implementation

{$R *.xfm}

procedure THelpForm.InitHelp(ihm: IHelpManager);
begin
  helpMgr:=ihm;
end;

function THelpForm.CanShowTableOfContents: Boolean;
begin
  CanShowTableOfContents := true;
end;

function THelpForm.GetHelpStrings(const HelpString: String): TStringList;
var
  stringList: TStringList;
begin
  stringList.Add(HelpString);
  GetHelpStrings:=stringList;
end;

function THelpForm.GetViewerName: String;
begin
  GetViewerName := 'wbHelpViewer';
end;

procedure THelpForm.NotifyID(const ViewerID: Integer);
begin
  myID := ViewerID;
end;

procedure THelpForm.ShowHelp(const HelpString: String);
begin
  Show;
end;

procedure THelpForm.ShowTableOfContents;
begin
  Show;
end;

procedure THelpForm.ShutDown;
begin
end;

procedure THelpForm.SoftShutDown;
begin
end;

function THelpForm.UnderstandsKeyword(const HelpString: String): Integer;
begin
  UnderstandsKeyword := 1;
end;

function THelpForm.UnderstandsTopic(const Topic: String): Boolean;
begin
  UnderstandsTopic := true;
end;

function THelpForm.UnderstandsContext(const ContextID: Integer; const HelpFileName: String): Boolean;
begin
  UnderstandsContext := true;
end;

procedure THelpForm.DisplayTopic(const Topic: String);
begin
  // go to correct topic
  Show;
end;

procedure THelpForm.DisplayHelpByContext(const ContextID: Integer; const HelpFileName: String);
begin
  TextBrowser1.FileName:=HelpFileName+'#'+InttoStr(ContextID);
  Show;
end;

destructor THelpForm.Destroy;
begin
end;

end.