Application: gvSIG desktop » Library: org.gvsig.tools

/* gvSIG. Geographic Information System of the Valencian Government

 *

 * Copyright (C) 2007-2008 Infrastructures and Transports Department

 * of the Valencian Government (CIT)

 * 

 * This program is free software; you can redistribute it and/or

 * modify it under the terms of the GNU General Public License

 * as published by the Free Software Foundation; either version 2

 * of the License, or (at your option) any later version.

 * 

 * 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 General Public License for more details.

 * 

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, 

 * MA  02110-1301, USA.

 * 

 */

/*

 * AUTHORS (In addition to CIT):

 * 2010 Institute of New Imaging Technologies (INIT): 

 *   http://www.init.uji.es

 * Geographic Information research group: 

 *   http://www.geoinfo.uji.es

 * Universitat Jaume I, Spain

 */

/**

 * 

 */

package org.gvsig.tools.swing.impl.dynobject.valuefield;

import org.slf4j.Logger;

import org.slf4j.LoggerFactory;

import org.gvsig.tools.ToolsLocator;

import org.gvsig.tools.dataTypes.DataTypes;

import org.gvsig.tools.dynobject.DynField;

import org.gvsig.tools.dynobject.DynObject;

import org.gvsig.tools.dynobject.DynObjectManager;

import org.gvsig.tools.dynobject.exception.DynFieldValidateException;

import org.gvsig.tools.swing.api.dynobject.dynfield.ValueField;

/**

 * 

 * Default {@link ValueField} implementation for {@link DynObject}s and {@link DynField}s.

 * 

 * @author 2010 - <a href="cordinyana@gvsig.org">C?sar Ordi?ana</a> - gvSIG Team

 * @author 2010 - <a href="mailto:reinhold@uji.es">Cristian Mart?n&nbsp;</a>  - gvSIG Team

 * @version $Id$

 *

 */

public class DynObjectValueField implements ValueField {

    private static final Logger LOG = LoggerFactory.getLogger(DynObjectValueField.class);

    private final DynObject parent;

    private final String fieldName;

    private Boolean isDynObject;

    /**

     * 

     * Constructor.

     * 

     * @param dynObject

     *          the current DynObject value.

     * @param fieldName

     *          the field name of the DynField element.

     */

    public DynObjectValueField(DynObject dynObject, String fieldName) {

        parent = dynObject;

        this.fieldName = fieldName;

    }

    private boolean isDynObject() {

        if (this.isDynObject == null)

            this.isDynObject = (getDynField().getType() == DataTypes.DYNOBJECT);

        return this.isDynObject;

    }

    /*

     * (non-Javadoc)

     * 

     * @see

     * org.gvsig.tools.swing.api.dynobject.dynfield.ValueField#getDefaultValue()

     */

    public Object getDefaultFieldValue() {

        return getDynField().getDefaultValue();

    }

    /*

     * (non-Javadoc)

     * 

     * @see org.gvsig.tools.swing.api.dynobject.dynfield.ValueField#getValue()

     */

    public Object getValue() {

        String name = getFieldName();

        Object value = parent.getDynValue(name);

        DynObjectManager dynManager = ToolsLocator.getDynObjectManager();

        if ((value == null) && (isDynObject()))

            return dynManager.createDynObject(dynManager.get(this.getDynField()

                .getName()));

        return value;

    }

    /**

     * Returns the service name to be called to get the correspondent 

     *   JDynFieldComponent.

     * @return

     */

    private String getFieldName() {

        String name = this.fieldName;

        String suffix = "-List-item";

        // We have to remove this suffix if exists.

        if (name.endsWith(suffix))

            return name.replace(suffix, "");

        return name;

    }

    /*

     * (non-Javadoc)

     * 

     * @see

     * org.gvsig.tools.swing.api.dynobject.dynfield.ValueField#setValue(java

     * .lang.Object)

     */

    public void setFieldValue(Object value) {

        try {

            getDynField().validate(value);

            parent.setDynValue(fieldName, value);

        } catch (DynFieldValidateException e) {

            LOG.warn("[Validation Error]: Field '{}' not valid with value '{}'", getDynField().getName(),value);

        }

    }

    /*

     * (non-Javadoc)

     * 

     * @see ValueField#getDynField()

     */

    public DynField getDynField() {

        return parent.getDynClass().getDynField(fieldName);

    }

    /*

     * (non-Javadoc)

     * 

     * @see ValueField#getFieldValue()

     */

    public Object getFieldValue() {

        return parent.getDynValue(fieldName);

    }

    /*

     * (non-Javadoc)

     * 

     * @see ValueField#setValue(Object value)

     */

    public void setValue(Object value) {

        // do nothing

    }    

}