| /* |
| |
| 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.value.AbstractValueManager; |
| import org.apache.batik.css.engine.value.FloatValue; |
| import org.apache.batik.css.engine.value.Value; |
| import org.apache.batik.css.engine.value.ValueManager; |
| import org.w3c.css.sac.LexicalUnit; |
| import org.w3c.dom.DOMException; |
| import org.w3c.dom.css.CSSPrimitiveValue; |
| |
| /** |
| * This class provides a manager for the '*-opacity' property values. |
| * |
| * @author <a href="mailto:stephane@hillion.org">Stephane Hillion</a> |
| * @version $Id$ |
| */ |
| public class OpacityManager extends AbstractValueManager { |
| |
| /** |
| * Whether the managed property is inherited. |
| */ |
| protected boolean inherited; |
| |
| /** |
| * The managed property name. |
| */ |
| protected String property; |
| |
| /** |
| * Creates a new OpacityManager. |
| */ |
| public OpacityManager(String prop, boolean inherit) { |
| property = prop; |
| inherited = inherit; |
| } |
| |
| /** |
| * Implements {@link ValueManager#isInheritedProperty()}. |
| */ |
| public boolean isInheritedProperty() { |
| return inherited; |
| } |
| |
| /** |
| * Implements {@link ValueManager#getPropertyName()}. |
| */ |
| public String getPropertyName() { |
| return property; |
| } |
| |
| /** |
| * Implements {@link ValueManager#getDefaultValue()}. |
| */ |
| public Value getDefaultValue() { |
| return SVGValueConstants.NUMBER_1; |
| } |
| |
| /** |
| * Implements {@link ValueManager#createValue(LexicalUnit,CSSEngine)}. |
| */ |
| public Value createValue(LexicalUnit lu, CSSEngine engine) |
| throws DOMException { |
| switch (lu.getLexicalUnitType()) { |
| case LexicalUnit.SAC_INHERIT: |
| return SVGValueConstants.INHERIT_VALUE; |
| |
| case LexicalUnit.SAC_INTEGER: |
| return new FloatValue(CSSPrimitiveValue.CSS_NUMBER, |
| lu.getIntegerValue()); |
| |
| case LexicalUnit.SAC_REAL: |
| return new FloatValue(CSSPrimitiveValue.CSS_NUMBER, |
| lu.getFloatValue()); |
| } |
| throw createInvalidLexicalUnitDOMException(lu.getLexicalUnitType()); |
| } |
| |
| /** |
| * Implements {@link ValueManager#createFloatValue(short,float)}. |
| */ |
| public Value createFloatValue(short type, float floatValue) |
| throws DOMException { |
| if (type == CSSPrimitiveValue.CSS_NUMBER) { |
| return new FloatValue(type, floatValue); |
| } |
| throw createInvalidFloatTypeDOMException(type); |
| } |
| } |