| /* |
| |
| Copyright 2002-2003 The Apache Software Foundation |
| |
| Licensed under the Apache License, Version 2.0 (the "License"); |
| you may not use this file except in compliance with the License. |
| You may obtain a copy of the License at |
| |
| http://www.apache.org/licenses/LICENSE-2.0 |
| |
| Unless required by applicable law or agreed to in writing, software |
| distributed under the License is distributed on an "AS IS" BASIS, |
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| See the License for the specific language governing permissions and |
| limitations under the License. |
| |
| */ |
| package org.apache.batik.css.engine.value.svg; |
| |
| import org.apache.batik.css.engine.CSSEngine; |
| import org.apache.batik.css.engine.CSSStylableElement; |
| import org.apache.batik.css.engine.StyleMap; |
| import org.apache.batik.css.engine.value.ListValue; |
| import org.apache.batik.css.engine.value.URIValue; |
| import org.apache.batik.css.engine.value.Value; |
| import org.apache.batik.css.engine.value.ValueManager; |
| import org.apache.batik.util.CSSConstants; |
| import org.w3c.css.sac.LexicalUnit; |
| import org.w3c.dom.css.CSSPrimitiveValue; |
| import org.w3c.dom.css.CSSValue; |
| import org.w3c.dom.DOMException; |
| |
| /** |
| * This class provides a manager for the SVGPaint property values. |
| * |
| * @author <a href="mailto:stephane@hillion.org">Stephane Hillion</a> |
| * @version $Id$ |
| */ |
| public class SVGPaintManager extends SVGColorManager { |
| |
| /** |
| * Creates a new SVGPaintManager. |
| */ |
| public SVGPaintManager(String prop) { |
| super(prop); |
| } |
| |
| /** |
| * Creates a new SVGPaintManager. |
| * @param prop The property name. |
| * @param v The default value. |
| */ |
| public SVGPaintManager(String prop, Value v) { |
| super(prop, v); |
| } |
| |
| /** |
| * Implements {@link ValueManager#isInheritedProperty()}. |
| */ |
| public boolean isInheritedProperty() { |
| return true; |
| } |
| |
| /** |
| * Implements {@link ValueManager#createValue(LexicalUnit,CSSEngine)}. |
| */ |
| public Value createValue(LexicalUnit lu, CSSEngine engine) |
| throws DOMException { |
| switch (lu.getLexicalUnitType()) { |
| case LexicalUnit.SAC_IDENT: |
| if (lu.getStringValue().equalsIgnoreCase |
| (CSSConstants.CSS_NONE_VALUE)) { |
| return SVGValueConstants.NONE_VALUE; |
| } |
| // Fall through |
| default: |
| return super.createValue(lu, engine); |
| case LexicalUnit.SAC_URI: |
| } |
| String value = lu.getStringValue(); |
| String uri = resolveURI(engine.getCSSBaseURI(), value); |
| lu = lu.getNextLexicalUnit(); |
| if (lu == null) { |
| return new URIValue(value, uri); |
| } |
| |
| ListValue result = new ListValue(' '); |
| result.append(new URIValue(value, uri)); |
| |
| if (lu.getLexicalUnitType() == LexicalUnit.SAC_IDENT) { |
| if (lu.getStringValue().equalsIgnoreCase |
| (CSSConstants.CSS_NONE_VALUE)) { |
| result.append(SVGValueConstants.NONE_VALUE); |
| return result; |
| } |
| } |
| Value v = super.createValue(lu, engine); |
| if (v.getCssValueType() == CSSValue.CSS_CUSTOM) { |
| ListValue lv = (ListValue)v; |
| for (int i = 0; i < lv.getLength(); i++) { |
| result.append(lv.item(i)); |
| } |
| } else { |
| result.append(v); |
| } |
| return result; |
| } |
| |
| /** |
| * Implements {@link |
| * ValueManager#computeValue(CSSStylableElement,String,CSSEngine,int,StyleMap,Value)}. |
| */ |
| public Value computeValue(CSSStylableElement elt, |
| String pseudo, |
| CSSEngine engine, |
| int idx, |
| StyleMap sm, |
| Value value) { |
| if (value == SVGValueConstants.NONE_VALUE) { |
| return value; |
| } |
| if (value.getCssValueType() == CSSValue.CSS_VALUE_LIST) { |
| ListValue lv = (ListValue)value; |
| Value v = lv.item(0); |
| if (v.getPrimitiveType() == CSSPrimitiveValue.CSS_URI) { |
| v = lv.item(1); |
| if (v == SVGValueConstants.NONE_VALUE) { |
| return value; |
| } |
| Value t = super.computeValue(elt, pseudo, engine, idx, sm, v); |
| if (t != v) { |
| ListValue result = new ListValue(' '); |
| result.append(lv.item(0)); |
| result.append(t); |
| if (lv.getLength() == 3) { |
| result.append(lv.item(1)); |
| } |
| return result; |
| } |
| return value; |
| } |
| } |
| return super.computeValue(elt, pseudo, engine, idx, sm, value); |
| } |
| } |