/*
* 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) 2001 - 2016 Object Refinery Ltd, Pentaho Corporation and Contributors.. All rights reserved.
*/
package org.pentaho.reporting.engine.classic.core.filter.types;
import org.pentaho.reporting.engine.classic.core.AttributeNames;
import org.pentaho.reporting.engine.classic.core.MetaAttributeNames;
import org.pentaho.reporting.engine.classic.core.ReportElement;
import org.pentaho.reporting.engine.classic.core.function.ExpressionRuntime;
import org.pentaho.reporting.engine.classic.core.metadata.ElementType;
import org.pentaho.reporting.engine.classic.core.wizard.DataAttributes;
import org.pentaho.reporting.engine.classic.core.wizard.DefaultDataAttributeContext;
import java.util.Locale;
public class LabelType extends AbstractElementType implements RotatableText {
public static final ElementType INSTANCE = new LabelType();
public LabelType() {
super( "label" );
}
/**
* Returns the current value for the data source.
*
* @param runtime
* the expression runtime that is used to evaluate formulas and expressions when computing the value of this
* filter.
* @param element
* @return the value.
*/
public Object getValue( final ExpressionRuntime runtime, final ReportElement element ) {
if ( runtime == null ) {
throw new NullPointerException( "Runtime must never be null." );
}
if ( element == null ) {
throw new NullPointerException( "Element must never be null." );
}
final Object retval = ElementTypeUtils.queryStaticValue( element );
if ( retval == null ) {
return rotate( element, element.getAttribute( AttributeNames.Core.NAMESPACE, AttributeNames.Core.NULL_VALUE ), runtime );
}
return rotate( element, retval, runtime );
}
public Object getDesignValue( final ExpressionRuntime runtime, final ReportElement element ) {
if ( Boolean.TRUE.equals( element.getAttribute( AttributeNames.Wizard.NAMESPACE,
AttributeNames.Wizard.ALLOW_METADATA_ATTRIBUTES ) ) ) {
final Object labelFor = element.getAttribute( AttributeNames.Wizard.NAMESPACE, AttributeNames.Wizard.LABEL_FOR );
if ( labelFor instanceof String ) {
final String labelForText = (String) labelFor;
final DataAttributes attributes = runtime.getDataSchema().getAttributes( labelForText );
if ( attributes != null ) {
final DefaultDataAttributeContext context =
new DefaultDataAttributeContext( runtime.getProcessingContext().getOutputProcessorMetaData(), runtime
.getResourceBundleFactory().getLocale() );
final Object o =
attributes.getMetaAttribute( MetaAttributeNames.Formatting.NAMESPACE,
MetaAttributeNames.Formatting.LABEL, String.class, context );
if ( o != null ) {
return rotate( element, o, runtime );
}
}
}
}
final Object retval = ElementTypeUtils.queryStaticValue( element );
if ( retval == null ) {
return rotate( element, "Label", runtime );
}
return rotate( element, retval, runtime );
}
public void configureDesignTimeDefaults( final ReportElement element, final Locale locale ) {
element.setAttribute( AttributeNames.Core.NAMESPACE, AttributeNames.Core.VALUE, "Label" );
}
}