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SVGTRefElement.cpp

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00001 /*
00002     Copyright (C) 2004, 2005 Nikolas Zimmermann <wildfox@kde.org>
00003                   2004, 2005, 2006 Rob Buis <buis@kde.org>
00004 
00005     This file is part of the KDE project
00006 
00007     This library is free software; you can redistribute it and/or
00008     modify it under the terms of the GNU Library General Public
00009     License as published by the Free Software Foundation; either
00010     version 2 of the License, or (at your option) any later version.
00011 
00012     This library is distributed in the hope that it will be useful,
00013     but WITHOUT ANY WARRANTY; without even the implied warranty of
00014     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00015     Library General Public License for more details.
00016 
00017     You should have received a copy of the GNU Library General Public License
00018     along with this library; see the file COPYING.LIB.  If not, write to
00019     the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
00020     Boston, MA 02110-1301, USA.
00021 */
00022 
00023 #include "config.h"
00024 #if ENABLE(SVG)
00025 #include "SVGTRefElement.h"
00026 
00027 #include "RenderSVGInline.h"
00028 #include "SVGDocument.h"
00029 #include "SVGNames.h"
00030 #include "Text.h"
00031 #include "XLinkNames.h"
00032 
00033 namespace WebCore {
00034 
00035 SVGTRefElement::SVGTRefElement(const QualifiedName& tagName, Document* doc)
00036     : SVGTextPositioningElement(tagName, doc)
00037     , SVGURIReference()
00038 {
00039 }
00040 
00041 SVGTRefElement::~SVGTRefElement()
00042 {
00043 }
00044 
00045 void SVGTRefElement::updateReferencedText()
00046 {
00047     Element* target = document()->getElementById(SVGURIReference::getTarget(href()));
00048     String textContent;
00049     if (target && target->isSVGElement())
00050         textContent = static_cast<SVGElement*>(target)->textContent();
00051     ExceptionCode ignore = 0;
00052     setTextContent(textContent, ignore);
00053 }
00054 
00055 void SVGTRefElement::parseMappedAttribute(MappedAttribute* attr)
00056 {
00057     if (SVGURIReference::parseMappedAttribute(attr)) {
00058         updateReferencedText();
00059         return;
00060     }
00061 
00062     SVGTextPositioningElement::parseMappedAttribute(attr);
00063 }
00064 
00065 bool SVGTRefElement::childShouldCreateRenderer(Node* child) const
00066 {
00067     if (child->isTextNode() || child->hasTagName(SVGNames::tspanTag) ||
00068         child->hasTagName(SVGNames::trefTag))
00069         return true;
00070     return false;
00071 }
00072 
00073 RenderObject* SVGTRefElement::createRenderer(RenderArena* arena, RenderStyle*)
00074 {
00075     return new (arena) RenderSVGInline(this);
00076 }
00077 
00078 }
00079 
00080 // vim:ts=4:noet
00081 #endif // ENABLE(SVG)
00082 

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