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eFaps is a framework used to map objects with or without attached files to a relational database and optional file systems (only for attaches files). Configurable access control can be provided down to object and attribute level depending on implementation and use case. Depending on requirements, events (like triggers) allow to implement business logic and to separate business logic from user interface. The framework includes integrations (e.g. webdav, full text search) and a web application as 'simple' configurable user interface. Some best practises, example web application modules (e.g. team work module) support administrators and implementers using this framework.

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/*
 * Copyright 2003 - 2012 The eFaps Team
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * Revision:        $Rev: 7483 $
 * Last Changed:    $Date: 2012-05-11 11:57:38 -0500 (Fri, 11 May 2012) $
 * Last Changed By: $Author: [email protected] $
 */

package org.efaps.db.print.value;

import org.efaps.admin.datamodel.Attribute;
import org.efaps.admin.datamodel.Dimension.UoM;
import org.efaps.admin.datamodel.Type;
import org.efaps.admin.datamodel.attributetype.AbstractWithUoMType;
import org.efaps.admin.datamodel.attributetype.RateType;
import org.efaps.admin.datamodel.ui.FieldValue;
import org.efaps.admin.ui.AbstractUserInterfaceObject.TargetMode;
import org.efaps.db.print.FileSelectPart;
import org.efaps.db.print.OneSelect;
import org.efaps.db.store.AbstractStoreResource;
import org.efaps.db.wrapper.SQLSelect;
import org.efaps.util.EFapsException;

/**
 * TODO comment!
 *
 * @author The eFaps Team
 * @version $Id: LabelValueSelect.java 7483 2012-05-11 16:57:38Z [email protected] $
 */
public class LabelValueSelect
    extends AbstractValueSelect
    implements IAttributeChildValueSelect
{

    /**
     * @param _oneSelect OneSelect
     */
    public LabelValueSelect(final OneSelect _oneSelect)
    {
        super(_oneSelect);
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public String getValueType()
    {
        return "label";
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public Object getValue(final Object _object)
    {
        Object ret = _object;
        if (_object != null && _object instanceof String) {
            ret = ((String) _object).trim();
        }
        return ret;
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public int append2SQLSelect(final Type _type,
                                final SQLSelect _select,
                                final int _tableIndex,
                                final int _colIndex)
    {
        int ret = 0;
        if (getParent() == null && getParentSelectPart() != null
                        && getParentSelectPart() instanceof FileSelectPart) {
            _select.column(_tableIndex, AbstractStoreResource.COLNAME_FILENAME);
            getColIndexs().add(_colIndex);
            ret = 1;
        }
        return ret;
    }


    /**
     * {@inheritDoc}
     */
    @Override
    public Object get(final Attribute _attribute,
                      final Object _object)
        throws EFapsException
    {
        final Object ret;
        if (_attribute.getAttributeType().getDbAttrType() instanceof RateType) {
            ret = getRate(_attribute, _object);
        } else if (_attribute.getAttributeType().getDbAttrType() instanceof AbstractWithUoMType) {
            ret = getValueUOM(_object);
        }  else {
            ret = _object;
        }
        return ret;
    }

    /**
     * @param _object object the value is wanted for
     * @return Object
     */
    protected Object getValueUOM(final Object _object)
    {
        Object ret = null;
        if (_object instanceof Object[]) {
            final Object[] values = (Object[]) _object;
            ret = ((UoM) values[1]).getName();
        }
        return ret;
    }

    /**
     * @param _attribute Attribute this value is wanted for
     * @param _object object the rate is wanted for
     * @return Object
     * @throws EFapsException on error
     */
    protected Object getRate(final Attribute _attribute,
                             final Object _object)
        throws EFapsException
    {
        Object ret = null;
        if (_object instanceof Object[]) {
            final FieldValue fieldValue = new FieldValue(null, _attribute, _object, null, null);
            fieldValue.setTargetMode(TargetMode.VIEW);
            ret = fieldValue.getObject4Compare();
        }
        return ret;
    }
}