mirror of
https://gitlab.com/freepascal.org/lazarus/lazarus.git
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143 lines
3.5 KiB
ObjectPascal
143 lines
3.5 KiB
ObjectPascal
{ Copyright (C) <2005> <Andrew Haines> chmspecialparser.pas
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This library is free software; you can redistribute it and/or modify it
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under the terms of the GNU Library General Public License as published by
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the Free Software Foundation; either version 2 of the License, or (at your
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option) any later version.
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This program is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public License
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for more details.
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You should have received a copy of the GNU Library General Public License
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along with this library; if not, write to the Free Software Foundation,
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Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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}
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{
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See the file COPYING.modifiedLGPL.txt, included in this distribution,
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for details about the copyright.
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}
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unit ChmSpecialParser;
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{$mode objfpc}{$H+}
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interface
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uses
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Classes, Forms, SysUtils, Controls, ComCtrls, chmsitemap;
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type
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TContentTreeNode = class(TTreeNode)
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private
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fUrl: String;
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public
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property Url:String read fUrl write fUrl;
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end;
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TIndexItem = class(TListITem)
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private
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fUrl: String;
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public
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property Url:String read fUrl write fUrl;
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end;
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{ TContentsFiller }
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TContentsFiller = class(TObject)
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private
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fTreeView: TTreeView;
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fSitemap: TChmSiteMap;
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fChm: TObject;
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fBranchCount: DWord;
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fStop: PBoolean;
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fLastNode: TTreeNode;
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procedure AddItem(AItem: TChmSiteMapItem; AParentNode: TTreeNode);
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public
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constructor Create(ATreeView: TTreeView; ASitemap: TChmSiteMap; StopBoolean: PBoolean; AChm: TObject);
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procedure DoFill(ParentNode: TTreeNode);
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end;
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implementation
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function FixURL(URL: String):String;
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var
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X: LongInt;
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begin
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X := Pos('%20', Url);
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while X > 0 do begin
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Delete(Url, X, 3);
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Insert(' ', Url, X);
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X := Pos('%20', Url);
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end;
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Result := StringReplace(Url, '\', '/', [rfReplaceAll]);
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end;
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{ TContentsFiller }
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procedure TContentsFiller.AddItem(AItem: TChmSiteMapItem; AParentNode: TTreeNode);
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var
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NewNode: TContentTreeNode;
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X: Integer;
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txt: string;
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begin
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if fStop^ then Exit;
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txt := AItem.KeyWord;
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if txt = '' then txt := AItem.Text;
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txt := Trim(txt);
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if not Assigned(fLastNode) or (fLastNode.Text <> txt) then
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begin
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fLastNode := AParentNode;
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NewNode := TContentTreeNode(fTreeView.Items.AddChild(AParentNode, txt));
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NewNode.Url:=FixURL('/'+AItem.Local);
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NewNode.Data:=fChm;
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if fTreeView.Images <> nil then
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begin
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NewNode.ImageIndex := 3;
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NewNode.SelectedIndex := 3;
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if (AParentNode.ImageIndex < 0) or (AParentNode.ImageIndex > 2) then
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begin
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AParentNode.ImageIndex := 1;
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AParentNode.SelectedIndex := 1;
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end;
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end;
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end else
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NewNode := TContentTreeNode(fLastNode);
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Inc(fBranchCount);
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if fBranchCount mod 200 = 0 then
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Application.ProcessMessages;
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for X := 0 to AItem.Children.Count-1 do
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AddItem(AItem.Children.Item[X], NewNode);
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end;
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constructor TContentsFiller.Create(ATreeView: TTreeView; ASitemap: TChmSiteMap; StopBoolean: PBoolean; AChm: TObject);
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begin
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inherited Create;
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fTreeView := ATreeView;
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fSitemap := ASitemap;
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fStop := StopBoolean;
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fChm := AChm;
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end;
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procedure TContentsFiller.DoFill(ParentNode: TTreeNode);
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var
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X: Integer;
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begin
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fTreeView.BeginUpdate;
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for X := 0 to fSitemap.Items.Count-1 do
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AddItem(fSitemap.Items.Item[X], ParentNode);
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fTreeView.EndUpdate;
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end;
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end.
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