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- /*
- * 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.
- */
-
- /* $Id$ */
-
- package org.apache.fop.fo.properties;
-
- import org.apache.fop.fo.Constants;
- import org.apache.fop.fo.FObj;
- import org.apache.fop.fo.PropertyList;
- import org.apache.fop.fo.expr.PropertyException;
- import org.apache.fop.util.CompareUtil;
-
- /**
- * Base class used for handling properties of the fo:space-before and
- * fo:space-after variety. It is extended by org.apache.fop.fo.properties.GenericSpace,
- * which is extended by many other properties.
- */
- public class SpaceProperty extends LengthRangeProperty {
- private Property precedence;
- private Property conditionality;
-
- /**
- * Inner class used to create new instances of SpaceProperty
- */
- public static class Maker extends CompoundPropertyMaker {
-
- /**
- * @param propId the id of the property for which a Maker should be created
- */
- public Maker(int propId) {
- super(propId);
- }
-
- /**
- * Create a new empty instance of SpaceProperty.
- * @return the new instance.
- */
- public Property makeNewProperty() {
- return new SpaceProperty();
- }
-
- /**
- * {@inheritDoc}
- */
- public Property convertProperty(Property p,
- PropertyList propertyList,
- FObj fo) throws PropertyException {
- if (p instanceof SpaceProperty) {
- return p;
- }
- return super.convertProperty(p, propertyList, fo);
- }
- }
-
-
-
- /**
- * {@inheritDoc}
- */
- public void setComponent(int cmpId, Property cmpnValue,
- boolean bIsDefault) {
- if (cmpId == CP_PRECEDENCE) {
- setPrecedence(cmpnValue, bIsDefault);
- } else if (cmpId == CP_CONDITIONALITY) {
- setConditionality(cmpnValue, bIsDefault);
- } else {
- super.setComponent(cmpId, cmpnValue, bIsDefault);
- }
- }
-
- /**
- * {@inheritDoc}
- */
- public Property getComponent(int cmpId) {
- if (cmpId == CP_PRECEDENCE) {
- return getPrecedence();
- } else if (cmpId == CP_CONDITIONALITY) {
- return getConditionality();
- } else {
- return super.getComponent(cmpId);
- }
- }
-
- /**
- *
- * @param precedence precedence Property to set
- * @param bIsDefault (is not used anywhere)
- */
- protected void setPrecedence(Property precedence, boolean bIsDefault) {
- this.precedence = precedence;
- }
-
- /**
- *
- * @param conditionality conditionality Property to set
- * @param bIsDefault (is not used anywhere)
- */
- protected void setConditionality(Property conditionality,
- boolean bIsDefault) {
- this.conditionality = conditionality;
- }
-
- /**
- * @return precedence Property
- */
- public Property getPrecedence() {
- return this.precedence;
- }
-
- /**
- * @return conditionality Property
- */
- public Property getConditionality() {
- return this.conditionality;
- }
-
- /**
- * Indicates if the length can be discarded on certain conditions.
- * @return true if the length can be discarded.
- */
- public boolean isDiscard() {
- return this.conditionality.getEnum() == Constants.EN_DISCARD;
- }
-
- /** {@inheritDoc} */
- public String toString() {
- return "Space["
- + "min:" + getMinimum(null).getObject()
- + ", max:" + getMaximum(null).getObject()
- + ", opt:" + getOptimum(null).getObject()
- + ", precedence:" + precedence.getObject()
- + ", conditionality:" + conditionality.getObject() + "]";
- }
-
- /**
- * @return the Space (datatype) object contained here
- */
- public SpaceProperty getSpace() {
- return this;
- }
-
- /**
- * Space extends LengthRange.
- * @return the Space (datatype) object contained here
- */
- public LengthRangeProperty getLengthRange() {
- return this;
- }
-
- /**
- * @return the Space (datatype) object contained here
- */
- public Object getObject() {
- return this;
- }
-
- @Override
- public int hashCode() {
- final int prime = 31;
- int result = super.hashCode();
- result = prime * result + CompareUtil.getHashCode(precedence);
- result = prime * result + CompareUtil.getHashCode(conditionality);
- return result;
- }
-
- @Override
- public boolean equals(Object obj) {
- if (this == obj) {
- return true;
- }
- if (!(obj instanceof SpaceProperty)) {
- return false;
- }
- SpaceProperty other = (SpaceProperty) obj;
- return super.equals(obj)
- && CompareUtil.equal(precedence, other.precedence)
- && CompareUtil.equal(conditionality, other.conditionality);
- }
-
- }
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