khtml/svg/SVGTRefElement.cpp

   1 /*
   2     Copyright (C) 2004, 2005 Nikolas Zimmermann <wildfox@kde.org>
   3                   2004, 2005, 2006 Rob Buis <buis@kde.org>
   4
   5     This file is part of the KDE project
   6
   7     This library is free software; you can redistribute it and/or
   8     modify it under the terms of the GNU Library General Public
   9     License as published by the Free Software Foundation; either
  10     version 2 of the License, or (at your option) any later version.
  11
  12     This library is distributed in the hope that it will be useful,
  13     but WITHOUT ANY WARRANTY; without even the implied warranty of
  14     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15     Library General Public License for more details.
  16
  17     You should have received a copy of the GNU Library General Public License
  18     along with this library; see the file COPYING.LIB.  If not, write to
  19     the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  20     Boston, MA 02110-1301, USA.
  21 */
  22
  23 #include "config.h"
  24 #if ENABLE(SVG)
  25 #include "SVGTRefElement.h"
  26
  27 #include "RenderSVGInline.h"
  28 #include "SVGDocument.h"
  29 #include "SVGNames.h"
  30 #include "Text.h"
  31 #include "XLinkNames.h"
  32
  33 namespace WebCore {
  34
  35 SVGTRefElement::SVGTRefElement(const QualifiedName& tagName, Document* doc)
  36     : SVGTextPositioningElement(tagName, doc)
  37     , SVGURIReference()
  38 {
  39 }
  40
  41 SVGTRefElement::~SVGTRefElement()
  42 {
  43 }
  44
  45 void SVGTRefElement::updateReferencedText()
  46 {
  47     Element* target = document()->getElementById(SVGURIReference::getTarget(href()));
  48     String textContent;
  49     if (target && target->isSVGElement())
  50         textContent = static_cast<SVGElement*>(target)->textContent();
  51     ExceptionCode ignore = 0;
  52     setTextContent(textContent, ignore);
  53 }
  54
  55 void SVGTRefElement::parseMappedAttribute(MappedAttribute* attr)
  56 {
  57     if (SVGURIReference::parseMappedAttribute(attr)) {
  58         updateReferencedText();
  59         return;
  60     }
  61
  62     SVGTextPositioningElement::parseMappedAttribute(attr);
  63 }
  64
  65 bool SVGTRefElement::childShouldCreateRenderer(Node* child) const
  66 {
  67     if (child->isTextNode() || child->hasTagName(SVGNames::tspanTag) ||
  68         child->hasTagName(SVGNames::trefTag))
  69         return true;
  70     return false;
  71 }
  72
  73 RenderObject* SVGTRefElement::createRenderer(RenderArena* arena, RenderStyle*)
  74 {
  75     return new (arena) RenderSVGInline(this);
  76 }
  77
  78 }
  79
  80 // vim:ts=4:noet
  81 #endif // ENABLE(SVG)
  82