| /* |
| |
| Licensed to the Apache Software Foundation (ASF) under one or more |
| contributor license agreements. See the NOTICE file distributed with |
| this work for additional information regarding copyright ownership. |
| The ASF licenses this file to You 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.css2; |
| |
| import org.apache.batik.css.engine.CSSContext; |
| 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.AbstractValueManager; |
| import org.apache.batik.css.engine.value.ListValue; |
| import org.apache.batik.css.engine.value.StringMap; |
| import org.apache.batik.css.engine.value.StringValue; |
| import org.apache.batik.css.engine.value.Value; |
| import org.apache.batik.css.engine.value.ValueConstants; |
| import org.apache.batik.css.engine.value.ValueManager; |
| import org.apache.batik.util.CSSConstants; |
| import org.apache.batik.util.SVGTypes; |
| |
| import org.w3c.css.sac.LexicalUnit; |
| import org.w3c.dom.DOMException; |
| import org.w3c.dom.css.CSSPrimitiveValue; |
| |
| /** |
| * This class provides a factory for the 'font-family' property values. |
| * |
| * @author <a href="mailto:stephane@hillion.org">Stephane Hillion</a> |
| * @version $Id$ |
| */ |
| public class FontFamilyManager extends AbstractValueManager { |
| |
| /** |
| * The default value. |
| */ |
| protected static final ListValue DEFAULT_VALUE = new ListValue(); |
| static { |
| DEFAULT_VALUE.append |
| (new StringValue(CSSPrimitiveValue.CSS_STRING, |
| "Arial")); |
| DEFAULT_VALUE.append |
| (new StringValue(CSSPrimitiveValue.CSS_STRING, |
| "Helvetica")); |
| DEFAULT_VALUE.append |
| (new StringValue(CSSPrimitiveValue.CSS_IDENT, |
| CSSConstants.CSS_SANS_SERIF_VALUE)); |
| } |
| |
| /** |
| * The identifier values. |
| */ |
| protected static final StringMap values = new StringMap(); |
| static { |
| values.put(CSSConstants.CSS_CURSIVE_VALUE, |
| ValueConstants.CURSIVE_VALUE); |
| values.put(CSSConstants.CSS_FANTASY_VALUE, |
| ValueConstants.FANTASY_VALUE); |
| values.put(CSSConstants.CSS_MONOSPACE_VALUE, |
| ValueConstants.MONOSPACE_VALUE); |
| values.put(CSSConstants.CSS_SERIF_VALUE, |
| ValueConstants.SERIF_VALUE); |
| values.put(CSSConstants.CSS_SANS_SERIF_VALUE, |
| ValueConstants.SANS_SERIF_VALUE); |
| } |
| |
| /** |
| * Implements {@link ValueManager#isInheritedProperty()}. |
| */ |
| public boolean isInheritedProperty() { |
| return true; |
| } |
| |
| /** |
| * Implements {@link ValueManager#isAnimatableProperty()}. |
| */ |
| public boolean isAnimatableProperty() { |
| return true; |
| } |
| |
| /** |
| * Implements {@link ValueManager#isAdditiveProperty()}. |
| */ |
| public boolean isAdditiveProperty() { |
| return false; |
| } |
| |
| /** |
| * Implements {@link ValueManager#getPropertyType()}. |
| */ |
| public int getPropertyType() { |
| return SVGTypes.TYPE_FONT_FAMILY_VALUE; |
| } |
| |
| /** |
| * Implements {@link ValueManager#getPropertyName()}. |
| */ |
| public String getPropertyName() { |
| return CSSConstants.CSS_FONT_FAMILY_PROPERTY; |
| } |
| |
| /** |
| * Implements {@link ValueManager#getDefaultValue()}. |
| */ |
| public Value getDefaultValue() { |
| return DEFAULT_VALUE; |
| } |
| |
| /** |
| * Implements {@link ValueManager#createValue(LexicalUnit,CSSEngine)}. |
| */ |
| public Value createValue(LexicalUnit lu, CSSEngine engine) |
| throws DOMException { |
| switch (lu.getLexicalUnitType()) { |
| case LexicalUnit.SAC_INHERIT: |
| return ValueConstants.INHERIT_VALUE; |
| |
| default: |
| throw createInvalidLexicalUnitDOMException |
| (lu.getLexicalUnitType()); |
| |
| case LexicalUnit.SAC_IDENT: |
| case LexicalUnit.SAC_STRING_VALUE: |
| } |
| ListValue result = new ListValue(); |
| for (;;) { |
| switch (lu.getLexicalUnitType()) { |
| case LexicalUnit.SAC_STRING_VALUE: |
| result.append(new StringValue(CSSPrimitiveValue.CSS_STRING, |
| lu.getStringValue())); |
| lu = lu.getNextLexicalUnit(); |
| break; |
| |
| case LexicalUnit.SAC_IDENT: |
| StringBuffer sb = new StringBuffer(lu.getStringValue()); |
| lu = lu.getNextLexicalUnit(); |
| if (lu != null && |
| lu.getLexicalUnitType() == LexicalUnit.SAC_IDENT) { |
| do { |
| sb.append(' '); |
| sb.append(lu.getStringValue()); |
| lu = lu.getNextLexicalUnit(); |
| } while (lu != null && |
| lu.getLexicalUnitType() == LexicalUnit.SAC_IDENT); |
| result.append(new StringValue(CSSPrimitiveValue.CSS_STRING, |
| sb.toString())); |
| } else { |
| String id = sb.toString(); |
| String s = id.toLowerCase().intern(); |
| Value v = (Value)values.get(s); |
| result.append((v != null) |
| ? v |
| : new StringValue |
| (CSSPrimitiveValue.CSS_STRING, id)); |
| } |
| } |
| if (lu == null) { |
| return result; |
| } |
| if (lu.getLexicalUnitType() != LexicalUnit.SAC_OPERATOR_COMMA) { |
| throw createInvalidLexicalUnitDOMException |
| (lu.getLexicalUnitType()); |
| } |
| lu = lu.getNextLexicalUnit(); |
| if (lu == null) { |
| throw createMalformedLexicalUnitDOMException(); |
| } |
| } |
| } |
| |
| /** |
| * 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 == DEFAULT_VALUE) { |
| CSSContext ctx = engine.getCSSContext(); |
| value = ctx.getDefaultFontFamily(); |
| } |
| return value; |
| } |
| } |