| /* |
| |
| 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.css2; |
| |
| 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.URIValue; |
| 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.w3c.css.sac.LexicalUnit; |
| import org.w3c.dom.DOMException; |
| import org.w3c.dom.css.CSSPrimitiveValue; |
| import org.w3c.dom.css.CSSValue; |
| |
| /** |
| * This class provides a manager for the 'cursor' property values. |
| * |
| * @author <a href="mailto:stephane@hillion.org">Stephane Hillion</a> |
| * @version $Id$ |
| */ |
| public class CursorManager extends AbstractValueManager { |
| |
| /** |
| * The identifier values. |
| */ |
| protected final static StringMap values = new StringMap(); |
| static { |
| values.put(CSSConstants.CSS_AUTO_VALUE, |
| ValueConstants.AUTO_VALUE); |
| values.put(CSSConstants.CSS_CROSSHAIR_VALUE, |
| ValueConstants.CROSSHAIR_VALUE); |
| values.put(CSSConstants.CSS_DEFAULT_VALUE, |
| ValueConstants.DEFAULT_VALUE); |
| values.put(CSSConstants.CSS_E_RESIZE_VALUE, |
| ValueConstants.E_RESIZE_VALUE); |
| values.put(CSSConstants.CSS_HELP_VALUE, |
| ValueConstants.HELP_VALUE); |
| values.put(CSSConstants.CSS_MOVE_VALUE, |
| ValueConstants.MOVE_VALUE); |
| values.put(CSSConstants.CSS_N_RESIZE_VALUE, |
| ValueConstants.N_RESIZE_VALUE); |
| values.put(CSSConstants.CSS_NE_RESIZE_VALUE, |
| ValueConstants.NE_RESIZE_VALUE); |
| values.put(CSSConstants.CSS_NW_RESIZE_VALUE, |
| ValueConstants.NW_RESIZE_VALUE); |
| values.put(CSSConstants.CSS_POINTER_VALUE, |
| ValueConstants.POINTER_VALUE); |
| values.put(CSSConstants.CSS_S_RESIZE_VALUE, |
| ValueConstants.S_RESIZE_VALUE); |
| values.put(CSSConstants.CSS_SE_RESIZE_VALUE, |
| ValueConstants.SE_RESIZE_VALUE); |
| values.put(CSSConstants.CSS_SW_RESIZE_VALUE, |
| ValueConstants.SW_RESIZE_VALUE); |
| values.put(CSSConstants.CSS_TEXT_VALUE, |
| ValueConstants.TEXT_VALUE); |
| values.put(CSSConstants.CSS_W_RESIZE_VALUE, |
| ValueConstants.W_RESIZE_VALUE); |
| values.put(CSSConstants.CSS_WAIT_VALUE, |
| ValueConstants.WAIT_VALUE); |
| } |
| |
| /** |
| * Implements {@link ValueManager#isInheritedProperty()}. |
| */ |
| public boolean isInheritedProperty() { |
| return true; |
| } |
| |
| /** |
| * Implements {@link ValueManager#getPropertyName()}. |
| */ |
| public String getPropertyName() { |
| return CSSConstants.CSS_CURSOR_PROPERTY; |
| } |
| |
| /** |
| * Implements {@link ValueManager#getDefaultValue()}. |
| */ |
| public Value getDefaultValue() { |
| return ValueConstants.AUTO_VALUE; |
| } |
| |
| /** |
| * Implements {@link ValueManager#createValue(LexicalUnit,CSSEngine)}. |
| */ |
| public Value createValue(LexicalUnit lu, CSSEngine engine) |
| throws DOMException { |
| ListValue result = new ListValue(); |
| switch (lu.getLexicalUnitType()) { |
| case LexicalUnit.SAC_INHERIT: |
| return ValueConstants.INHERIT_VALUE; |
| |
| case LexicalUnit.SAC_URI: |
| do { |
| result.append(new URIValue(lu.getStringValue(), |
| resolveURI(engine.getCSSBaseURI(), |
| lu.getStringValue()))); |
| lu = lu.getNextLexicalUnit(); |
| if (lu == null) { |
| throw createMalformedLexicalUnitDOMException(); |
| } |
| if (lu.getLexicalUnitType() != |
| LexicalUnit.SAC_OPERATOR_COMMA) { |
| throw createInvalidLexicalUnitDOMException |
| (lu.getLexicalUnitType()); |
| } |
| lu = lu.getNextLexicalUnit(); |
| if (lu == null) { |
| throw createMalformedLexicalUnitDOMException(); |
| } |
| } while (lu.getLexicalUnitType() == LexicalUnit.SAC_URI); |
| if (lu.getLexicalUnitType() != LexicalUnit.SAC_IDENT) { |
| throw createInvalidLexicalUnitDOMException |
| (lu.getLexicalUnitType()); |
| } |
| // Fall through... |
| |
| case LexicalUnit.SAC_IDENT: |
| String s = lu.getStringValue().toLowerCase().intern(); |
| Object v = values.get(s); |
| if (v == null) { |
| throw createInvalidIdentifierDOMException(lu.getStringValue()); |
| } |
| result.append((Value)v); |
| lu = lu.getNextLexicalUnit(); |
| } |
| if (lu != null) { |
| throw createInvalidLexicalUnitDOMException |
| (lu.getLexicalUnitType()); |
| } |
| 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.getCssValueType() == CSSValue.CSS_VALUE_LIST) { |
| ListValue lv = (ListValue)value; |
| int len = lv.getLength(); |
| ListValue result = new ListValue(' '); |
| for (int i=0; i<len; i++) { |
| Value v = lv.item(0); |
| if (v.getPrimitiveType() == CSSPrimitiveValue.CSS_URI) { |
| // Reveal the absolute value as the cssText now. |
| result.append(new URIValue(v.getStringValue(), |
| v.getStringValue())); |
| } else { |
| result.append(v); |
| } |
| } |
| return result; |
| } |
| return super.computeValue(elt, pseudo, engine, idx, sm, value); |
| } |
| |
| } |