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.dynfield;

import java.util.ArrayList;

import java.util.List;

import javax.swing.DefaultListModel;

import javax.swing.event.ListDataListener;

import org.gvsig.tools.dynobject.DynField;

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

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

import org.gvsig.tools.swing.impl.dynobject.dynfield.model.DynFieldModelFactory;

import org.gvsig.tools.swing.impl.dynobject.valuefield.DynFieldFormatter;

import org.gvsig.tools.swing.impl.dynobject.valuefield.NValueField;

/**

 * @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 abstract class AbstractNDynObjectValueField extends ArrayList implements

    NValueField, List {

    /**

     * 

     */

    private static final long serialVersionUID = 2130582584413959824L;

    private DynField field;

    private int selectedIndex;

    private DefaultListModel model;

    private ValueField parent;

    private DynFieldFormatter formatter;

    public AbstractNDynObjectValueField(ValueField parent, DynField dynField) {

        this.parent = parent;

        this.selectedIndex = -1;

        initDynField(dynField);

    }

    private void initDynField(DynField dynField) {

        this.field = dynField;

        DynField field = dynField.getElementsType();

        if (field != null) {

            this.field = field;

            return;

        }

        if (this.field == null) {

            this.field = this.parent.getDynField();

        }

    }

    public DynField getParentDynField() {

        return parent.getDynField();

    }

    public DefaultListModel getModel() {

        if (model == null) {

            this.model = DynFieldModelFactory.getModel(getDynField());

        }

        return this.model;

    }

    public void addElement(Object value) {

        addElement(getSize(), value);

    }

    public void addElement(Object value, Object printValue) {

        addElement(getSize(), value, printValue);

    }

    public String getValidationMessage() {

        try {

            this.getDynField().validate(this.getValue());

            return "";

        } catch (DynFieldValidateException e) {

            return e.getMessage(3);

        }

    }

    /*

     * (non-Javadoc)

     * 

     * @see

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

     * java.lang.Object)

     */

    public void addElement(int index, Object element) {

        addElement(index, element, element);

    }

    /**

     * @param size

     * @param value

     * @param printValue

     */

    private void addElement(int index, Object element, Object printValue) {

        String printText = null;

        if (printValue != null) {

            printText = getFormatter().format(printValue);

        } else {

            printText = getFormatter().format(element);

        }

        if ((printText != null) && (!printText.equals(""))) {

            this.add(index, element);

            getModel().add(index, printText);

        }

    }

    /*

     * (non-Javadoc)

     * 

     * @seejavax.swing.ListModel#addListDataListener(javax.swing.event.

     * ListDataListener)

     */

    public void addListDataListener(ListDataListener l) {

        getModel().addListDataListener(l);

    }

    /**

     * @return

     */

    public Object firstElement() {

        return getModel().firstElement();

    }

    public Object getDefaultFieldValue() {

        return getDynField().getDefaultValue();

    }

    public DynField getDynField() {

        return this.field;

    }

    /*

     * (non-Javadoc)

     * 

     * @see javax.swing.ListModel#getElementAt(int)

     */

    public Object getElementAt(int index) {

        return this.get(index);

    }

    public Object getFieldValue() {

        return this.getValue();

    }

    private DynFieldFormatter getFormatter() {

        if (this.formatter == null) {

            formatter = DynFieldFormatter.getInstance(this.getDynField());

        }

        return this.formatter;

    }

    /*

     * (non-Javadoc)

     * 

     * @see javax.swing.ListModel#getSize()

     */

    public int getSize() {

        return getModel().getSize();

    }

    /*

     * (non-Javadoc)

     * 

     * @see

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

     */

    public Object getValue() {

        if (this.isEmpty()) {

            return null;

        }

        if ((selectedIndex < 0) || (selectedIndex >= this.size())) {

            return null;

        }

        return this.get(selectedIndex);

    }

    public void removeElement(int index) {

        this.remove(index);

        getModel().remove(index);

    }

    public void setFieldValue(Object value) {

        parent.setFieldValue(value);

    }

    public void setSelectedIndex(int index) {

        selectedIndex = index;

    }

    public void setValue(int index, Object element, Object printValue) {

        String printText = null;

        if (printValue != null) {

            printText = printValue.toString();

        } else {

            printText = getFormatter().format(element);

        }

        if (printText != null) {

            this.set(index, printText);

            getModel().set(index, printText);

        }

    }

    /*

     * (non-Javadoc)

     * 

     * @see

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

     * java.lang.Object)

     */

    public void setValue(Object value) {

        if (value == null) {

            return;

        }

        if (value instanceof List) {

            for (Object elem : (List) value) {

                addElement(elem);

            }

        } else {

            addElement(value);

        }

    }

    public void removeListDataListener(ListDataListener l) {

    }

}