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130 lines
3.2 KiB
ObjectPascal
130 lines
3.2 KiB
ObjectPascal
{
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This file is part of the Free Component Library
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XHTML helper classes
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Copyright (c) 2000 by
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Areca Systems GmbH / Sebastian Guenther, sg@freepascal.org
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See the file COPYING.FPC, included in this distribution,
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for details about the copyright.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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**********************************************************************}
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unit XHTML;
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{$MODE objfpc}
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{$H+}
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interface
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uses DOM, DOM_HTML;
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type
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TXHTMLTitleElement = class(TDOMElement);
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TXHTMLHeadElement = class(TDOMElement)
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private
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function GetTitleElement: TXHTMLTitleElement;
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public
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function RequestTitleElement: TXHTMLTitleElement;
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property TitleElement: TXHTMLTitleElement read GetTitleElement;
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end;
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TXHTMLBodyElement = class(TDOMElement);
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TXHTMLType = (xhtmlStrict, xhtmlTransitional);
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TXHTMLDocument = class(THTMLDocument)
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private
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function GetHeadElement: TXHTMLHeadElement;
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function GetBodyElement: TXHTMLBodyElement;
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public
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procedure CreateRoot(XHTMLType: TXHTMLType);
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function RequestHeadElement: TXHTMLHeadElement;
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function RequestBodyElement(const Lang: DOMString): TXHTMLBodyElement;
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property HeadElement: TXHTMLHeadElement read GetHeadElement;
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property BodyElement: TXHTMLBodyElement read GetBodyElement;
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end;
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implementation
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function TXHTMLHeadElement.RequestTitleElement: TXHTMLTitleElement;
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begin
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Result := TitleElement;
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if not Assigned(Result) then
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begin
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Result := TXHTMLTitleElement(OwnerDocument.CreateElement('title'));
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AppendChild(Result);
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end;
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end;
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function TXHTMLHeadElement.GetTitleElement: TXHTMLTitleElement;
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begin
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Result := TXHTMLTitleElement(FindNode('title'));
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end;
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procedure TXHTMLDocument.CreateRoot(XHTMLType: TXHTMLType);
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var
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s: DOMString;
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HtmlEl: TDOMElement;
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begin
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case XHTMLType of
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xhtmlStrict:
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s := 'html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "DTD/xhtml1-strict.dtd"';
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xhtmlTransitional:
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s := 'html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "DTD/xhtml1-transitional.dtd"';
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end;
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AppendChild(CreateProcessingInstruction('DOCTYPE', s));
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HtmlEl := CreateElement('html');
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AppendChild(HtmlEl);
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HtmlEl['xmlns'] := 'http://www.w3.org/1999/xhtml';
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end;
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function TXHTMLDocument.RequestHeadElement: TXHTMLHeadElement;
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begin
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Result := HeadElement;
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if not Assigned(Result) then
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begin
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Result := TXHTMLHeadElement(CreateElement('head'));
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DocumentElement.AppendChild(Result);
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end;
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end;
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function TXHTMLDocument.RequestBodyElement(const Lang: DOMString):
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TXHTMLBodyElement;
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begin
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Result := BodyElement;
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if not Assigned(Result) then
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begin
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Result := TXHTMLBodyElement(CreateElement('body'));
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DocumentElement.AppendChild(Result);
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Result['xmlns'] := 'http://www.w3.org/1999/xhtml';
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Result['xml:lang'] := Lang;
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Result['lang'] := Lang;
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end;
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end;
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function TXHTMLDocument.GetHeadElement: TXHTMLHeadElement;
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begin
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Result := TXHTMLHeadElement(DocumentElement.FindNode('head'));
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end;
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function TXHTMLDocument.GetBodyElement: TXHTMLBodyElement;
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begin
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Result := TXHTMLBodyElement(DocumentElement.FindNode('body'));
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end;
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end.
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