/*
* 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) 2006 - 2013 Pentaho Corporation and Contributors. All rights reserved.
*/
package org.pentaho.reporting.libraries.css.resolver.values.computed.border;
import java.util.HashMap;
import org.pentaho.reporting.libraries.css.keys.border.BorderStyleKeys;
import org.pentaho.reporting.libraries.css.keys.border.BorderWidth;
import org.pentaho.reporting.libraries.css.keys.border.BorderStyle;
import org.pentaho.reporting.libraries.css.resolver.values.computed.ConstantsResolveHandler;
import org.pentaho.reporting.libraries.css.values.CSSNumericType;
import org.pentaho.reporting.libraries.css.values.CSSNumericValue;
import org.pentaho.reporting.libraries.css.values.CSSValue;
import org.pentaho.reporting.libraries.css.values.CSSConstant;
import org.pentaho.reporting.libraries.css.model.StyleKey;
import org.pentaho.reporting.libraries.css.dom.LayoutElement;
import org.pentaho.reporting.libraries.css.dom.DocumentContext;
import org.pentaho.reporting.libraries.css.dom.LayoutStyle;
/**
* Creation-Date: 11.12.2005, 22:20:16
*
* @author Thomas Morgner
*/
public class BorderWidthResolveHandler extends ConstantsResolveHandler
{
private HashMap keyMapping;
public BorderWidthResolveHandler()
{
keyMapping = new HashMap();
keyMapping.put(BorderStyleKeys.BORDER_TOP_WIDTH, BorderStyleKeys.BORDER_TOP_STYLE);
keyMapping.put(BorderStyleKeys.BORDER_LEFT_WIDTH, BorderStyleKeys.BORDER_LEFT_STYLE);
keyMapping.put(BorderStyleKeys.BORDER_BOTTOM_WIDTH, BorderStyleKeys.BORDER_BOTTOM_STYLE);
keyMapping.put(BorderStyleKeys.BORDER_RIGHT_WIDTH, BorderStyleKeys.BORDER_RIGHT_STYLE);
keyMapping.put(BorderStyleKeys.BORDER_BREAK_WIDTH, BorderStyleKeys.BORDER_BREAK_STYLE);
addValue(BorderWidth.THIN, CSSNumericValue.createValue(CSSNumericType.PT, 1));
addValue(BorderWidth.MEDIUM, CSSNumericValue.createValue(CSSNumericType.PT, 3));
addValue(BorderWidth.THICK, CSSNumericValue.createValue(CSSNumericType.PT, 5));
setFallback(CSSNumericValue.ZERO_LENGTH);
}
/**
* This indirectly defines the resolve order. The higher the order, the more
* dependent is the resolver on other resolvers to be complete.
*
* @return the array of required style keys.
*/
public StyleKey[] getRequiredStyles()
{
return new StyleKey[] {
BorderStyleKeys.BORDER_TOP_STYLE,
BorderStyleKeys.BORDER_LEFT_STYLE,
BorderStyleKeys.BORDER_BOTTOM_STYLE,
BorderStyleKeys.BORDER_RIGHT_STYLE,
BorderStyleKeys.BORDER_BREAK_STYLE
};
}
protected CSSValue resolveValue (final DocumentContext process,
final LayoutElement currentNode,
final StyleKey key)
{
final StyleKey borderStyleKey = (StyleKey) keyMapping.get(key);
if (borderStyleKey == null)
{
// invalid
throw new IllegalArgumentException("This is not a valid key: " + key);
}
final LayoutStyle layoutContext = currentNode.getLayoutStyle();
final CSSValue borderStyle = layoutContext.getValue(borderStyleKey);
if (BorderStyle.NONE.equals(borderStyle))
{
return CSSNumericValue.ZERO_LENGTH;
}
final CSSValue value = layoutContext.getValue(key);
if (value instanceof CSSConstant)
{
return super.resolveValue(process, currentNode, key);
}
return value;
}
}