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{
*****************************************************************************
See the file COPYING.modifiedLGPL.txt, included in this distribution,
for details about the license.
*****************************************************************************
Copyright (C) <2005> <Andrew Haines> chmspecialparser.pas
}
unit ChmSpecialParser;
{$mode objfpc}{$H+}
interface
uses
Classes, Forms, SysUtils, Controls, ComCtrls, chmsitemap;
type
TContentTreeNode = class(TTreeNode)
private
fUrl: String;
public
property Url:String read fUrl write fUrl;
end;
TIndexItem = class(TListITem)
private
fUrl: String;
public
property Url:String read fUrl write fUrl;
end;
{ TContentsFiller }
TContentsFiller = class(TObject)
private
fTreeView: TTreeView;
fSitemap: TChmSiteMap;
fChm: TObject;
fBranchCount: DWord;
fStop: PBoolean;
fLastNode: TTreeNode;
procedure AddItem(AItem: TChmSiteMapItem; AParentNode: TTreeNode);
public
constructor Create(ATreeView: TTreeView; ASitemap: TChmSiteMap; StopBoolean: PBoolean; AChm: TObject);
procedure DoFill(ParentNode: TTreeNode);
end;
implementation
function FixURL(URL: String):String;
var
X: LongInt;
begin
X := Pos('%20', Url);
while X > 0 do begin
Delete(Url, X, 3);
Insert(' ', Url, X);
X := Pos('%20', Url);
end;
Result := StringReplace(Url, '\', '/', [rfReplaceAll]);
end;
{ TContentsFiller }
procedure TContentsFiller.AddItem(AItem: TChmSiteMapItem; AParentNode: TTreeNode);
var
NewNode: TContentTreeNode;
X: Integer;
txt: string;
begin
if fStop^ then Exit;
txt := AItem.KeyWord;
if txt = '' then txt := AItem.Text;
txt := Trim(txt);
if not Assigned(fLastNode) or (fLastNode.Text <> txt) then
begin
fLastNode := AParentNode;
NewNode := TContentTreeNode(fTreeView.Items.AddChild(AParentNode, txt));
NewNode.Url:=FixURL('/'+AItem.Local);
NewNode.Data:=fChm;
if fTreeView.Images <> nil then
begin
NewNode.ImageIndex := 3;
NewNode.SelectedIndex := 3;
if (AParentNode.ImageIndex < 0) or (AParentNode.ImageIndex > 2) then
begin
AParentNode.ImageIndex := 1;
AParentNode.SelectedIndex := 1;
end;
end;
end else
NewNode := TContentTreeNode(fLastNode);
Inc(fBranchCount);
if fBranchCount mod 200 = 0 then
Application.ProcessMessages;
for X := 0 to AItem.Children.Count-1 do
AddItem(AItem.Children.Item[X], NewNode);
end;
constructor TContentsFiller.Create(ATreeView: TTreeView; ASitemap: TChmSiteMap; StopBoolean: PBoolean; AChm: TObject);
begin
inherited Create;
fTreeView := ATreeView;
fSitemap := ASitemap;
fStop := StopBoolean;
fChm := AChm;
end;
procedure TContentsFiller.DoFill(ParentNode: TTreeNode);
var
X: Integer;
begin
fTreeView.BeginUpdate;
for X := 0 to fSitemap.Items.Count-1 do
AddItem(fSitemap.Items.Item[X], ParentNode);
fTreeView.EndUpdate;
end;
end.
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