| gvSIG desktop 1

package com.iver.cit.gvsig.fmap.layers;

import java.awt.Graphics2D;

import java.awt.geom.Rectangle2D;

import java.awt.image.BufferedImage;

import java.io.File;

import java.util.ArrayList;

import java.util.Iterator;

import com.hardcode.driverManager.DriverLoadException;

import com.hardcode.gdbms.engine.data.DriverException;

import com.iver.cit.gvsig.fmap.ViewPort;

import com.iver.cit.gvsig.fmap.core.IGeometry;

import com.iver.cit.gvsig.fmap.drivers.DriverIOException;

import com.iver.cit.gvsig.fmap.operations.Cancellable;

import com.iver.cit.gvsig.fmap.operations.QueriedPoint;

import com.iver.utiles.XMLEntity;

/**

 * Representa un nodo interno en el ?rbol de capas

 */

public class FLayers extends FLyrDefault implements FLayer {

    //ArrayList de Listener registrados.

    private ArrayList layerListeners = new ArrayList();

    private ArrayList layers = new ArrayList(4);

    /**

     * Crea un nuevo FLayers.

     */

    public FLayers() {

        setParentLayer(this);

    }

    /**

     * A?ade un listener de los eventos de la colecci?n de capas

     *

     * @param listener DOCUMENT ME!

     */

    public void addLayerCollectionListener(LayerCollectionListener listener) {

        layerListeners.add(listener);

    }

    /* (non-Javadoc) Funci?n sobrecargada

     * @see com.iver.cit.gvsig.fmap.layers.FLayer#setActive(boolean)

     */

    public void setActive(boolean bActive)

    {

            FLayer lyr;

        for (int i = 0; i < layers.size(); i++)

        {

            lyr = ((FLayer) layers.get(i));

            lyr.setActive(bActive);

        }

    }

    /**

     * ELimina un listener de los eventos de la colecci?n de capas

     *

     * @param listener DOCUMENT ME!

     */

    public void removeLayerCollectionListener(LayerCollectionListener listener) {

        layerListeners.remove(listener);

    }

    private void doAddLayer(FLayer layer){

            layers.add(layer);

    }

    /**

     * A?ade una capa al final de la lista de subcapas

     * @throws CancelationException

     *

     * @throws CancelationException

     */

    public void addLayer(FLayer layer) throws CancelationException

    {

            LayerCollectionEvent event = new LayerCollectionEvent(layer);

        callLayerAdding(event);

        doAddLayer(layer);

        callLayerAdded(event);

    }

    /**

     * Mueve una capa de la posici?n from a la posici?n to.

     * (Se supone que est?n dentro del mismo nivel). Para mover

     * entre niveles, usar otro m?todo (por hacer)

     *

     * @param from DOCUMENT ME!

     * @param to DOCUMENT ME!

     *

     * @throws CancelationException

     */

    public void moveTo(int from, int to)

        throws CancelationException {

        FLayer aux = (FLayer) layers.get(from);

        LayerPositionEvent event = new LayerPositionEvent(aux, from, to);

        callLayerMoving(event);

        layers.remove(from);

        layers.add(to, aux);

        callLayerMoved(event);

    }

    private void doRemoveLayer(FLayer lyr) {

        layers.remove(lyr);

    }

    public void removeLayer(FLayer lyr) throws CancelationException

    {

        LayerCollectionEvent event = new LayerCollectionEvent(lyr);

        callLayerRemoving(event);

        doRemoveLayer(lyr);

        callLayerRemoved(event);

    }

    /**

     * Borra una FLayer del vector a partir del identificador.

     *

     * @param idLayer

     */

    public void removeLayer(int idLayer) {

            layers.remove(idLayer);

    }

    /**

     * M?todo de conveniencia para borrar una capa con ese nombre

     *

     * @param layerName

     */

    public void removeLayer(String layerName) {

        FLayer lyr;

        for (int i = 0; i < layers.size(); i++) {

            lyr = ((FLayer) layers.get(i));

            if (lyr.getName().compareToIgnoreCase(layerName) == 0) {

                layers.remove(i);

                break;

            }

        }

    }

    /**

     * Obtiene el array de capas visibles que penden del arbol cuya ra?z es

     * este nodo

     *

     * @return DOCUMENT ME!

     */

    public FLayer[] getVisibles() {

        ArrayList array = new ArrayList();

        for (Iterator iter = layers.iterator(); iter.hasNext();) {

            if (((FLayer) iter.next()).isVisible()) {

                array.add((FLayer) iter.next());

            }

        }

        return (FLayer[])array.toArray(new FLayer[0]);

    }

    /**

     * Obtiene el array de capas activas en el sub?rbol que pende de este nodo

     *

     * @return DOCUMENT ME!

     */

    public FLayer[] getActives() {

        ArrayList ret = new ArrayList();

        for (int i = 0; i < layers.size(); i++) {

            if (((FLayer) layers.get(i)).isActive()) {

                ret.add(layers.get(i));

            }

        }

        return (FLayer[])ret.toArray(new FLayer[0]);

    }

    /**

     * Obtiene el hijo i-?simo directo de esta colecci?n

     *

     * @param index DOCUMENT ME!

     *

     * @return DOCUMENT ME!

     */

    public FLayer getLayer(int index) {

        return (FLayer) layers.get(index);

    }

    /**

     * M?todo de conveniencia para buscar una capa por su nombre

     * Es conveniente usar getLayer(int) siempre que se pueda, es m?s

     * directo.

     * @param layerName

     * @return

     */

    public FLayer getLayer(String layerName) {

        FLayer lyr;

        for (int i = 0; i < layers.size(); i++) {

            lyr = ((FLayer) layers.get(i));

            if (lyr.getName().compareToIgnoreCase(layerName) == 0) {

                return lyr;

            }

        }

        return null;

    }

    /**

     * Obtiene el n?mero de capas que hay en su mismo nivel

     * Es decir, no cuenta las subcapas de un FLayers

     *

     * @return DOCUMENT ME!

     */

    public int getLayersCount() {

            return layers.size();    }

    /**

     * Crea una replica del objeto Layers

     *

     * @return DOCUMENT ME!

     * @throws DifferentVersionException

     * @throws CancelationException

     * @throws IllegalAccessException

     * @throws InstantiationException

     * @throws ClassNotFoundException

     */

    public FLayers cloneFLayers() throws DifferentVersionException, CancelationException, ClassNotFoundException, InstantiationException, IllegalAccessException {

        return null;//(FLayers)createFromXML(getXMLEntity());

    }

    /**

     * DOCUMENT ME!

     *

     * @param image DOCUMENT ME!

     * @param g DOCUMENT ME!

     * @param viewPort DOCUMENT ME!

     * @param cancel

     * @throws DriverIOException

     * @throws DriverException

     * @throws DriverLoadException

     *

     * @see com.iver.cit.gvsig.fmap.operations.strategies.Strategy#draw(java.awt.image.BufferedImage,

     *      java.awt.Graphics2D, com.iver.cit.gvsig.fmap.ViewPort)

     */

    public void draw(BufferedImage image, Graphics2D g, ViewPort viewPort,

        Cancellable cancel) throws DriverIOException, DriverLoadException, DriverException {

        for (Iterator iter = layers.iterator(); iter.hasNext();) {

            LayerOperations capa = (LayerOperations) iter.next();

            FLayer lyr = (FLayer) capa;

            if (lyr.isVisible())

            {

                    System.out.println("Dibujando " + lyr.getName());

                    capa.draw(image, g, viewPort, cancel);

            }

        }

    }

    /**

     * @see com.iver.cit.gvsig.fmap.operations.strategies.Strategy#getSelectionBounds()

     */

    public Rectangle2D getSelectionBounds() {

        return null;

    }

    /**

     * @see com.iver.cit.gvsig.fmap.operations.strategies.Strategy#createIndex()

     */

    public void createIndex() {

    }

    /**

     * @see com.iver.cit.gvsig.fmap.layers.FLayer#getFullExtent()

     */

    public Rectangle2D getFullExtent() throws DriverIOException {

        Rectangle2D rAux = null;

        int i = 0;

        for (Iterator iter = layers.iterator(); iter.hasNext();) {

            LayerOperations capa = (LayerOperations) iter.next();

            if (i == 0) {

                rAux = capa.getFullExtent();

            } else {

                rAux.add(capa.getFullExtent());

            }

            i++;

        }

        return rAux;

    }

    /**

     * @throws DriverIOException

     * @see com.iver.cit.gvsig.fmap.layers.FLayer#selectByPoint(java.awt.geom.Point2D,

     *      double)

     */

    public void selectByPoint(QueriedPoint p, double tolerance) throws DriverIOException {

            for (Iterator iter = layers.iterator(); iter.hasNext();) {

                        FLayer layer = (FLayer) iter.next();

                        if (layer instanceof FLayers){

                                ((FLayers) layer).selectByPoint(p, tolerance);

                        }else if (layer instanceof FLyrVect){

                                ((FLyrVect) layer).selectByPoint(p, tolerance);

                        }

                }

    }

    /**

     * @throws DriverIOException

     * @see com.iver.cit.gvsig.fmap.layers.FLayer#selectByRect(java.awt.geom.Rectangle2D)

     */

    public void selectByRect(Rectangle2D rect) throws DriverIOException {

            for (Iterator iter = layers.iterator(); iter.hasNext();) {

                        FLayer layer = (FLayer) iter.next();

                        if (layer instanceof FLayers){

                                ((FLayers) layer).selectByRect(rect);

                        }else if (layer instanceof FLyrVect){

                                ((FLyrVect) layer).selectByRect(rect);

                        }

                }

    }

    /**

     * @see com.iver.cit.gvsig.fmap.layers.FLayer#selectByShape(com.iver.cit.gvsig.fmap.core.IGeometry,

     *      int)

     */

    public void selectByShape(IGeometry g, int relationship) {

    }

    /**

     * DOCUMENT ME!

     *

     * @param event DOCUMENT ME!

     *

     * @throws CancelationException

     */

    private void callLayerAdding(LayerCollectionEvent event)

        throws CancelationException {

        for (Iterator iter = layerListeners.iterator(); iter.hasNext();) {

            ((LayerCollectionListener) iter.next()).layerAdding(event);

        }

    }

    /**

     * DOCUMENT ME!

     *

     * @param event DOCUMENT ME!

     *

     * @throws CancelationException

     */

    private void callLayerRemoving(LayerCollectionEvent event)

        throws CancelationException {

        for (Iterator iter = layerListeners.iterator(); iter.hasNext();) {

            ((LayerCollectionListener) iter.next()).layerRemoving(event);

        }

    }

    /**

     * DOCUMENT ME!

     *

     * @param event DOCUMENT ME!

     *

     * @throws CancelationException

     */

    private void callLayerMoving(LayerPositionEvent event)

        throws CancelationException {

        for (Iterator iter = layerListeners.iterator(); iter.hasNext();) {

            ((LayerCollectionListener) iter.next()).layerMoving(event);

        }

    }

    /**

     * DOCUMENT ME!

     *

     * @param event DOCUMENT ME!

     */

    private void callLayerAdded(LayerCollectionEvent event) {

        for (Iterator iter = layerListeners.iterator(); iter.hasNext();) {

            ((LayerCollectionListener) iter.next()).layerAdded(event);

        }

    }

    /**

     * DOCUMENT ME!

     *

     * @param event DOCUMENT ME!

     */

    private void callLayerRemoved(LayerCollectionEvent event) {

        for (Iterator iter = layerListeners.iterator(); iter.hasNext();) {

            ((LayerCollectionListener) iter.next()).layerRemoved(event);

        }

    }

    /**

     * DOCUMENT ME!

     *

     * @param event DOCUMENT ME!

     */

    private void callLayerMoved(LayerPositionEvent event) {

        for (Iterator iter = layerListeners.iterator(); iter.hasNext();) {

            ((LayerCollectionListener) iter.next()).layerMoved(event);

        }

    }

        /**

         * @see com.iver.cit.gvsig.fmap.layers.FLayer#getProperties()

         */

        public XMLEntity getXMLEntity() {

                XMLEntity xml=super.getXMLEntity();

                xml.putProperty("numLayers",layers.size());

                for (int i=0;i<layers.size();i++){

                        xml.addChild(((FLayer)layers.get(i)).getXMLEntity());

                }

                return xml;

        }

        /**

         * @throws DifferentVersionException

         * @throws CancelationException

         * @throws IllegalAccessException

         * @throws InstantiationException

         * @throws ClassNotFoundException

         * @throws DriverIOException

         * @throws DriverLoadException

         * @see com.iver.cit.gvsig.fmap.layers.FLyrDefault#setXMLEntity(com.iver.utiles.XMLEntity)

         */

        public void setXMLEntity(XMLEntity xml) throws DifferentVersionException, CancelationException, ClassNotFoundException, InstantiationException, IllegalAccessException, DriverLoadException, DriverIOException {

                super.setXMLEntity(xml);

                int numLayers=xml.getIntProperty("numLayers");

                for (int i=0;i<numLayers;i++){

                        if (xml.getStringProperty("file")!=null){

                        layers.add(LayerFactory.createLayer(xml.getChild(i).getStringProperty("driverName"),new File(xml.getChild(i).getStringProperty("name")),getProjection()));

                        }else if(true){

                        }else if (true){

                        }

                }

        }

}