/*
* 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.text;
import org.pentaho.reporting.libraries.css.values.CSSValue;
import org.pentaho.reporting.libraries.css.values.CSSValueList;
import org.pentaho.reporting.libraries.css.values.CSSStringValue;
import org.pentaho.reporting.libraries.css.values.CSSStringType;
import org.pentaho.reporting.libraries.css.dom.LayoutElement;
import org.pentaho.reporting.libraries.css.dom.DocumentContext;
import org.pentaho.reporting.libraries.css.dom.LayoutStyle;
import org.pentaho.reporting.libraries.css.model.StyleKey;
import org.pentaho.reporting.libraries.css.resolver.values.ResolveHandler;
import org.pentaho.reporting.libraries.css.keys.text.TextStyleKeys;
/**
* Creation-Date: 21.12.2005, 16:48:23
*
* @author Thomas Morgner
*/
public class TextOverflowEllipsisResolveHandler implements ResolveHandler
{
public TextOverflowEllipsisResolveHandler()
{
}
/**
* This indirectly defines the resolve order. The higher the order, the more
* dependent is the resolver on other resolvers to be complete.
*
* @return
*/
public StyleKey[] getRequiredStyles()
{
return new StyleKey[0];
}
/**
* Resolves a single property.
*
* @param currentNode
* @param style
*/
public void resolve(final DocumentContext process,
final LayoutElement currentNode,
final StyleKey key)
{
final LayoutStyle layoutContext = currentNode.getLayoutStyle();
final CSSValue value = layoutContext.getValue(key);
CSSStringValue lineEllipsis = null;
CSSStringValue blockEllipsis = null;
if (value instanceof CSSValueList)
{
final CSSValueList vlist = (CSSValueList) value;
if (vlist.getLength() == 2)
{
lineEllipsis = filterString(vlist.getItem(0));
blockEllipsis = filterString(vlist.getItem(1));
}
else if (vlist.getLength() == 1)
{
lineEllipsis = filterString(vlist.getItem(0));
blockEllipsis = filterString(vlist.getItem(0));
}
}
if (lineEllipsis == null)
{
lineEllipsis = new CSSStringValue(CSSStringType.STRING, "..");
}
if (blockEllipsis == null)
{
blockEllipsis = new CSSStringValue(CSSStringType.STRING, "..");
}
layoutContext.setValue(TextStyleKeys.X_BLOCK_TEXT_OVERFLOW_ELLIPSIS, blockEllipsis);
layoutContext.setValue(TextStyleKeys.X_LINE_TEXT_OVERFLOW_ELLIPSIS, lineEllipsis);
}
private CSSStringValue filterString (final CSSValue value)
{
if (value instanceof CSSStringValue == false)
{
return null;
}
return (CSSStringValue) value;
}
}