/*
* 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.box;
import org.pentaho.reporting.libraries.css.resolver.values.computed.ConstantsResolveHandler;
import org.pentaho.reporting.libraries.css.keys.box.Floating;
import org.pentaho.reporting.libraries.css.keys.box.BoxStyleKeys;
import org.pentaho.reporting.libraries.css.keys.box.DisplayRole;
import org.pentaho.reporting.libraries.css.keys.box.DisplayModel;
import org.pentaho.reporting.libraries.css.keys.positioning.PositioningStyleKeys;
import org.pentaho.reporting.libraries.css.model.StyleKey;
import org.pentaho.reporting.libraries.css.values.CSSValue;
import org.pentaho.reporting.libraries.css.dom.LayoutElement;
import org.pentaho.reporting.libraries.css.dom.DocumentContext;
import org.pentaho.reporting.libraries.css.dom.LayoutStyle;
public class FloatResolveHandler extends ConstantsResolveHandler
{
public FloatResolveHandler()
{
addNormalizeValue(Floating.BOTTOM);
addNormalizeValue(Floating.LEFT);
addNormalizeValue(Floating.END);
addNormalizeValue(Floating.INSIDE);
addNormalizeValue(Floating.IN_COLUMN);
addNormalizeValue(Floating.MID_COLUMN);
addNormalizeValue(Floating.NONE);
addNormalizeValue(Floating.OUTSIDE);
addNormalizeValue(Floating.RIGHT);
addNormalizeValue(Floating.START);
addNormalizeValue(Floating.TOP);
setFallback(Floating.NONE);
}
/**
* 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[]{
BoxStyleKeys.DISPLAY_ROLE,
PositioningStyleKeys.POSITION
};
}
/**
* 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 displayRole = layoutContext.getValue(BoxStyleKeys.DISPLAY_ROLE);
final CSSValue floating;
if (DisplayRole.NONE.equals(displayRole))
{
floating = Floating.NONE;
}
else
{
floating = resolveValue(process, currentNode, key);
}
if (Floating.NONE.equals(floating) == false)
{
// Otherwise, if 'float' has a value other than 'none', 'display'
// is set to 'block' and the box is floated.
layoutContext.setValue(BoxStyleKeys.DISPLAY_MODEL, DisplayModel.BLOCK_INSIDE);
layoutContext.setValue(BoxStyleKeys.DISPLAY_ROLE, DisplayRole.BLOCK);
}
layoutContext.setValue(key, Floating.NONE);
}
}