/*!
* This program is free software; you can redistribute it and/or modify it under the
* terms of the GNU Lesser General Public License, version 2.1 as published by the Free Software
* Foundation.
*
* You should have received a copy of the GNU Lesser General Public License along with this
* program; if not, you can obtain a copy at http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html
* or from the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU Lesser General Public License for more details.
*
* Copyright (c) 2002-2013 Pentaho Corporation.. All rights reserved.
*/
package org.pentaho.reporting.engine.classic.core.style.css.selector;
import org.pentaho.reporting.engine.classic.core.style.css.namespaces.NamespaceCollection;
import org.pentaho.reporting.engine.classic.core.style.css.selector.conditions.CSSCondition;
import org.w3c.css.sac.AttributeCondition;
import org.w3c.css.sac.CombinatorCondition;
import org.w3c.css.sac.Condition;
import org.w3c.css.sac.ConditionalSelector;
import org.w3c.css.sac.SimpleSelector;
/**
* Creation-Date: 30.11.2005, 16:43:45
*
* @author Thomas Morgner
*/
public class CSSConditionalSelector extends AbstractSelector implements ConditionalSelector
{
private static final int ID_CONDITION = 0;
private static final int ATTR_CONDITION = 1;
private static final int OTHER_CONDITION = 2;
private Condition condition;
private SimpleSelector simpleSelector;
public CSSConditionalSelector(final SimpleSelector simpleSelector,
final Condition condition)
{
this.simpleSelector = simpleSelector;
this.condition = condition;
}
protected SelectorWeight createWeight()
{
final int[] conditions = new int[3];
countConditions(conditions, condition);
return new SelectorWeight
(0, conditions[0], conditions[1], conditions[2] + 1);
}
private void countConditions
(final int[] conditionCounter, final Condition condition)
{
if (condition.getConditionType() == Condition.SAC_ID_CONDITION)
{
conditionCounter[ID_CONDITION] += 1;
}
else if (condition instanceof AttributeCondition)
{
conditionCounter[ATTR_CONDITION] += 1;
}
else if (condition instanceof CombinatorCondition)
{
final CombinatorCondition c = (CombinatorCondition) condition;
countConditions(conditionCounter, c.getFirstCondition());
countConditions(conditionCounter, c.getSecondCondition());
}
else
{
conditionCounter[OTHER_CONDITION] += 1;
}
}
/**
* Returns the simple selector. <p>The simple selector can't be a
* <code>ConditionalSelector</code>.</p>
*/
public SimpleSelector getSimpleSelector()
{
return simpleSelector;
}
/**
* Returns the condition to be applied on the simple selector.
*/
public Condition getCondition()
{
return condition;
}
/**
* An integer indicating the type of <code>Selector</code>
*/
public short getSelectorType()
{
return SAC_CONDITIONAL_SELECTOR;
}
public String print(final NamespaceCollection namespaces)
{
final CSSSelector s = (CSSSelector) simpleSelector;
final CSSCondition c = (CSSCondition) condition;
return s.print(namespaces) + c.print(namespaces);
}
}