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.spi;

import java.util.ArrayList;

import java.util.List;

import javax.swing.DefaultListModel;

import javax.swing.ListModel;

import javax.swing.event.ListDataListener;

import org.gvsig.tools.dynobject.DynClass;

import org.gvsig.tools.dynobject.DynField;

import org.gvsig.tools.service.Manager;

import org.gvsig.tools.service.ServiceException;

import org.gvsig.tools.swing.api.ToolsSwingLocator;

import org.gvsig.tools.swing.api.dynobject.ValueChangedListener;

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

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

/**

 * @author <a href="mailto:reinhold@uji.es">cmartin</a>

 * 

 */

public abstract class DelegatedJFieldComponent extends AbstractJDynField

        implements JDynFieldComponent {

    public class NValueField extends ArrayList implements NFieldValue, ListModel {

        private final DynField field;

        private int selectedIndex;

        private DefaultListModel model;

        /**

         * @param parent

         */

        public NValueField(ValueField parent, DynField field) {

            this.field = field;

            this.selectedIndex = -1;

            model = new DefaultListModel();

//            elems = new ArrayList<Object>();

            // Object value = parent.getValue();

            // if (value==null)

            // value = parent.getDefaultValue();

            // if (value==null)

            // this.elems = new ArrayList<Object>();

            // else

            // this.elems = (List) value;

        }

//        public void addItem(int index, Object element) {

//            this.model.add(index, element);

//            this.add(index,element);

//        }

        /*

         * (non-Javadoc)

         * 

         * @see

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

         * ()

         */

        public Object getDefaultValue() {

            return field.getDefaultValue();

        }

        /*

         * (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 setSelectedIndex(int index) {

            selectedIndex = index;

        }

        /*

         * (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);

        }

        public void addElement(Object value){

            addElement(this.size(), value);

        }

        public void addElement(Object value, Object printValue){

            addElement(this.size(), value, printValue);

        }

        /**

         * @param size

         * @param value

         * @param printValue

         */

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

            if (printValue==null) return;

            this.add(index, element); 

            if (printValue==null)

                this.model.add(index, element);

            else

                this.model.add(index, printValue);

        }

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

            if (printValue==null) return;

            this.set(index, element); 

            if (printValue==null)

                this.model.set(index, element);

            else

                this.model.set(index, printValue);

        }

        /* (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);

            }

        }

        /* (non-Javadoc)

         * @see javax.swing.ListModel#addListDataListener(javax.swing.event.ListDataListener)

         */

        public void addListDataListener(ListDataListener l) {

            this.model.addListDataListener(l);

        }

        /* (non-Javadoc)

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

         */

        public Object getElementAt(int index) {

            return this.model.getElementAt(index);

        }

        /* (non-Javadoc)

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

         */

        public int getSize() {

           return this.model.getSize();

        }

        /* (non-Javadoc)

         * @see javax.swing.ListModel#removeListDataListener(javax.swing.event.ListDataListener)

         */

        public void removeListDataListener(ListDataListener l) {

            this.model.removeListDataListener(l);

        }

        /**

         * @return

         */

        public Object firstElement() {

            return this.model.firstElement();

        }

        public void removeElement(int index){

            this.remove(index);

            this.model.remove(index);

        }

    }

    protected JDynFieldComponent component;

    private NValueField simpleValueField;

    private ValueField parent;

    public DelegatedJFieldComponent(DynField dynField) {

        super(dynField);

        this.init();

    }

    /**

     * @param component2

     * @param dynField2

     */

    public DelegatedJFieldComponent(JDynFieldComponent component,

            DynField dynField) {

        super(dynField);

        this.initComponent(component);

        this.init();

    }

    /**

     * @param parent

     * @param dynField2

     */

    public DelegatedJFieldComponent(ValueField parent, DynField dynField) {

        super(dynField);

        try {

            simpleValueField = new NValueField(parent, dynField);

            this.initComponent(ToolsSwingLocator.getDynObjectSwingManager()

                    .createJDynFieldComponent(simpleValueField,

                            dynField.getElementsType()));

            this.parent = parent;

            this.init();

        } catch (ServiceException e) {

            // TODO Auto-generated catch block

            e.printStackTrace();

        }

    }

    /*

     * (non-Javadoc)

     * 

     * @seeorg.gvsig.tools.swing.api.dynobject.dynfield.JDynFieldComponent#

     * addValueChangedListener

     * (org.gvsig.tools.swing.api.dynobject.ValueChangedListener)

     */

    public void addValueChangedListener(ValueChangedListener listener) {

        component.addValueChangedListener(listener);

    }

    /*

     * (non-Javadoc)

     * 

     * @seeorg.gvsig.tools.swing.api.dynobject.dynfield.JDynFieldComponent#

     * raiseValueChangedEvent()

     */

    public void fireValueChangedEvent() {

        component.fireValueChangedEvent();

    }

    /*

     * (non-Javadoc)

     * 

     * @see

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

     */

    public Object getDefaultValue() {

        return parent.getDefaultValue();

    }

    // /* (non-Javadoc)

    // * @see

    // org.gvsig.tools.swing.api.dynobject.dynfield.JDynFieldComponent#getDynObject()

    // */

    // public DynObject getDynObject() {

    // return this.component.getDynObject();

    // }

    /*

     * (non-Javadoc)

     * 

     * @see

     * org.gvsig.tools.swing.api.dynobject.dynfield.JDynFieldComponent#getFieldValue

     * ()

     */

    @Override

    public Object getFieldValue() {

        Object value = parent.getValue();

        if (value != null)

            return value;

        return parent.getDefaultValue();

    }

    /*

     * (non-Javadoc)

     * 

     * @see org.gvsig.tools.service.Service#getManager()

     */

    public Manager getManager() {

        return component.getManager();

    }

    protected ValueField getParentValueField() {

        return parent;

    }

    /*

     * (non-Javadoc)

     * 

     * @see

     * org.gvsig.tools.swing.api.dynobject.dynfield.JDynFieldComponent#getValue

     * ()

     */

    public Object getValue() {

        return parent.getValue();

    }

    protected NValueField getValueField() {

        return simpleValueField;

    }

    protected void initComponent(JDynFieldComponent component) {

        this.component = component;

        parent = component;

    }

    /*

     * (non-Javadoc)

     * 

     * @see

     * org.gvsig.tools.swing.api.dynobject.dynfield.JDynFieldComponent#isMandatory

     * ()

     */

    public boolean isMandatory() {

        return component.isMandatory();

    }

    /*

     * (non-Javadoc)

     * 

     * @see

     * org.gvsig.tools.swing.api.dynobject.dynfield.JDynFieldComponent#setValue

     * (java.lang.Object)

     */

    @Override

    public void setValue(Object value) {

        parent.setValue(value);

    }

}