svn-gvsig-desktop / trunk / libraries / libFMap / src / com / iver / cit / gvsig / fmap / layers / FLayers.java @ 694
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package com.iver.cit.gvsig.fmap.layers; |
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import java.awt.Graphics2D; |
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import java.awt.geom.Rectangle2D; |
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import java.awt.image.BufferedImage; |
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import java.io.File; |
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import java.util.ArrayList; |
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import java.util.BitSet; |
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import java.util.Iterator; |
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import com.hardcode.driverManager.DriverLoadException; |
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import com.iver.cit.gvsig.fmap.DriverException; |
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import com.iver.cit.gvsig.fmap.FMap; |
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import com.iver.cit.gvsig.fmap.ViewPort; |
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import com.iver.cit.gvsig.fmap.drivers.DriverIOException; |
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import com.iver.cit.gvsig.fmap.layers.layerOperations.LayerCollection; |
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import com.iver.cit.gvsig.fmap.layers.layerOperations.VectorialData; |
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import com.iver.cit.gvsig.fmap.operations.Cancellable; |
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import com.iver.cit.gvsig.fmap.operations.strategies.FeatureVisitor; |
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import com.iver.utiles.XMLEntity; |
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/**
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* Representa un nodo interno en el ?rbol de capas
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*/
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public class FLayers extends FLyrDefault implements VectorialData, LayerCollection{ |
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//ArrayList de Listener registrados.
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private ArrayList layerListeners = new ArrayList(); |
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private ArrayList layers = new ArrayList(4); |
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private FMap fmap;
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/**
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* Crea un nuevo FLayers.
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*/
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public FLayers(FMap fmap, FLayers parent) {
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setParentLayer(parent); |
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this.fmap = fmap;
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} |
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/**
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* A?ade un listener de los eventos de la colecci?n de capas
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*
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* @param listener DOCUMENT ME!
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*/
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public void addLayerCollectionListener(LayerCollectionListener listener) { |
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layerListeners.add(listener); |
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} |
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/**
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* @see com.iver.cit.gvsig.fmap.layers.FLayer#setActive(boolean)
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*/
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public void setActive(boolean bActive) { |
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FLayer lyr; |
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for (int i = 0; i < layers.size(); i++) { |
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lyr = ((FLayer) layers.get(i)); |
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lyr.setActive(bActive); |
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} |
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} |
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/**
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* ELimina un listener de los eventos de la colecci?n de capas
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*
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* @param listener DOCUMENT ME!
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*/
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public void removeLayerCollectionListener(LayerCollectionListener listener) { |
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layerListeners.remove(listener); |
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} |
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/**
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* DOCUMENT ME!
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*
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* @param layer DOCUMENT ME!
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*/
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private void doAddLayer(FLayer layer) { |
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layers.add(layer); |
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layer.setParentLayer(this);
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} |
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/**
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* A?ade una capa al final de la lista de subcapas
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*
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* @param layer DOCUMENT ME!
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*
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* @throws CancelationException
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*/
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public void addLayer(FLayer layer) throws CancelationException { |
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LayerCollectionEvent event = new LayerCollectionEvent(layer);
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callLayerAdding(event); |
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doAddLayer(layer); |
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callLayerAdded(event); |
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} |
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/**
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* Mueve una capa de la posici?n from a la posici?n to. (Se supone que
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* est?n dentro del mismo nivel). Para mover entre niveles, usar otro
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* m?todo (por hacer)
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*
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* @param from DOCUMENT ME!
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* @param to DOCUMENT ME!
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*
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* @throws CancelationException
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*/
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public void moveTo(int from, int to) throws CancelationException { |
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FLayer aux = (FLayer) layers.get(from); |
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LayerPositionEvent event = new LayerPositionEvent(aux, from, to);
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callLayerMoving(event); |
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layers.remove(from); |
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layers.add(to, aux); |
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callLayerMoved(event); |
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} |
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/**
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* DOCUMENT ME!
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*
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* @param lyr DOCUMENT ME!
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*/
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private void doRemoveLayer(FLayer lyr) { |
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layers.remove(lyr); |
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} |
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/**
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* DOCUMENT ME!
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*
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* @param lyr DOCUMENT ME!
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*
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* @throws CancelationException DOCUMENT ME!
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*/
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public void removeLayer(FLayer lyr) throws CancelationException { |
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LayerCollectionEvent event = new LayerCollectionEvent(lyr);
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callLayerRemoving(event); |
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doRemoveLayer(lyr); |
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callLayerRemoved(event); |
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} |
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/**
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* Borra una FLayer del vector a partir del identificador.
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*
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* @param idLayer
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*/
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public void removeLayer(int idLayer) { |
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layers.remove(idLayer); |
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} |
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/**
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* M?todo de conveniencia para borrar una capa con ese nombre
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*
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* @param layerName
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*/
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public void removeLayer(String layerName) { |
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FLayer lyr; |
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for (int i = 0; i < layers.size(); i++) { |
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lyr = ((FLayer) layers.get(i)); |
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if (lyr.getName().compareToIgnoreCase(layerName) == 0) { |
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layers.remove(i); |
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break;
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} |
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} |
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} |
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/**
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* Obtiene el array de capas visibles que penden del arbol cuya ra?z es
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* este nodo
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*
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* @return DOCUMENT ME!
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*/
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public FLayer[] getVisibles() { |
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ArrayList array = new ArrayList(); |
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for (Iterator iter = layers.iterator(); iter.hasNext();) { |
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if (((FLayer) iter.next()).isVisible()) {
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array.add((FLayer) iter.next()); |
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} |
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} |
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return (FLayer[]) array.toArray(new FLayer[0]); |
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} |
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/**
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* Obtiene el array de capas activas en el sub?rbol que pende de este nodo
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*
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* @return DOCUMENT ME!
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*/
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public FLayer[] getActives() { |
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ArrayList ret = new ArrayList(); |
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for (int i = 0; i < layers.size(); i++) { |
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if (((FLayer) layers.get(i)).isActive()) {
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ret.add(layers.get(i)); |
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} |
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} |
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return (FLayer[]) ret.toArray(new FLayer[0]); |
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} |
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/**
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* Obtiene el hijo i-?simo directo de esta colecci?n
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*
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* @param index DOCUMENT ME!
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*
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* @return DOCUMENT ME!
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*/
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public FLayer getLayer(int index) { |
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return (FLayer) layers.get(index);
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} |
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/**
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* M?todo de conveniencia para buscar una capa por su nombre Es conveniente
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* usar getLayer(int) siempre que se pueda, es m?s directo.
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*
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* @param layerName
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*
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* @return
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*/
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public FLayer getLayer(String layerName) { |
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FLayer lyr; |
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for (int i = 0; i < layers.size(); i++) { |
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lyr = ((FLayer) layers.get(i)); |
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if (lyr.getName().compareToIgnoreCase(layerName) == 0) { |
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return lyr;
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} |
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} |
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return null; |
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} |
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/**
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* Obtiene el n?mero de capas que hay en su mismo nivel Es decir, no cuenta
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* las subcapas de un FLayers
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*
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* @return DOCUMENT ME!
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*/
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public int getLayersCount() { |
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return layers.size();
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} |
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/**
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* DOCUMENT ME!
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*
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* @param image DOCUMENT ME!
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* @param g DOCUMENT ME!
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* @param viewPort DOCUMENT ME!
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* @param cancel
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*
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* @throws DriverLoadException
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* @throws DriverException
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*
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* @see com.iver.cit.gvsig.fmap.operations.strategies.Strategy#draw(java.awt.image.BufferedImage,
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* java.awt.Graphics2D, com.iver.cit.gvsig.fmap.ViewPort)
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*/
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public void draw(BufferedImage image, Graphics2D g, ViewPort viewPort, |
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Cancellable cancel) |
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throws DriverException {
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for (Iterator iter = layers.iterator(); iter.hasNext();) { |
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FLayer lyr = (FLayer) iter.next(); |
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if (lyr.isVisible()) {
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lyr.draw(image, g, viewPort, cancel); |
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} |
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} |
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} |
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/**
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* @see com.iver.cit.gvsig.fmap.layers.FLayer#print(java.awt.Graphics2D, com.iver.cit.gvsig.fmap.ViewPort, com.iver.cit.gvsig.fmap.operations.Cancellable)
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*/
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public void print(Graphics2D g, ViewPort viewPort, Cancellable cancel) throws DriverException{ |
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for (Iterator iter = layers.iterator(); iter.hasNext();) { |
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FLayer lyr = (FLayer) iter.next(); |
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if (lyr.isVisible()) {
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lyr.print(g, viewPort, cancel); |
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} |
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} |
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} |
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/**
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* @see com.iver.cit.gvsig.fmap.layers.FLayer#getFullExtent()
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*/
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public Rectangle2D getFullExtent() throws DriverException { |
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Rectangle2D rAux = null; |
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int i = 0; |
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for (Iterator iter = layers.iterator(); iter.hasNext();) { |
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FLayer capa = (FLayer) iter.next(); |
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if (i == 0) { |
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rAux = capa.getFullExtent(); |
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} else {
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rAux.add(capa.getFullExtent()); |
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} |
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i++; |
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} |
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return rAux;
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} |
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/**
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* DOCUMENT ME!
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*
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* @param event DOCUMENT ME!
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*
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* @throws CancelationException
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*/
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private void callLayerAdding(LayerCollectionEvent event) |
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throws CancelationException {
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for (Iterator iter = layerListeners.iterator(); iter.hasNext();) { |
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((LayerCollectionListener) iter.next()).layerAdding(event); |
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} |
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} |
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/**
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* DOCUMENT ME!
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*
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* @param event DOCUMENT ME!
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*
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* @throws CancelationException
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*/
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private void callLayerRemoving(LayerCollectionEvent event) |
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throws CancelationException {
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for (Iterator iter = layerListeners.iterator(); iter.hasNext();) { |
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((LayerCollectionListener) iter.next()).layerRemoving(event); |
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} |
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} |
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/**
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* DOCUMENT ME!
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*
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* @param event DOCUMENT ME!
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*
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* @throws CancelationException
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*/
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private void callLayerMoving(LayerPositionEvent event) |
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throws CancelationException {
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for (Iterator iter = layerListeners.iterator(); iter.hasNext();) { |
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((LayerCollectionListener) iter.next()).layerMoving(event); |
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} |
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} |
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/**
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* DOCUMENT ME!
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*
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* @param event DOCUMENT ME!
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*/
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private void callLayerAdded(LayerCollectionEvent event) { |
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for (Iterator iter = layerListeners.iterator(); iter.hasNext();) { |
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((LayerCollectionListener) iter.next()).layerAdded(event); |
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} |
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} |
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/**
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* DOCUMENT ME!
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*
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* @param event DOCUMENT ME!
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*/
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private void callLayerRemoved(LayerCollectionEvent event) { |
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for (Iterator iter = layerListeners.iterator(); iter.hasNext();) { |
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((LayerCollectionListener) iter.next()).layerRemoved(event); |
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} |
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} |
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/**
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* DOCUMENT ME!
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*
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* @param event DOCUMENT ME!
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*/
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private void callLayerMoved(LayerPositionEvent event) { |
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for (Iterator iter = layerListeners.iterator(); iter.hasNext();) { |
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((LayerCollectionListener) iter.next()).layerMoved(event); |
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} |
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} |
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/**
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* DOCUMENT ME!
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*
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* @return DOCUMENT ME!
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*
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* @throws DriverException
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*
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* @see com.iver.cit.gvsig.fmap.layers.FLayer#getProperties()
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*/
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public XMLEntity getXMLEntity() {
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XMLEntity xml = super.getXMLEntity();
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xml.putProperty("numLayers", layers.size());
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String[] s=new String[layers.size()]; |
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for (int i=0;i<layers.size();i++){ |
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s[i]=((FLayer)layers.get(i)).getName(); |
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} |
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xml.putProperty("LayerNames",s);
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for (int i = 0; i < layers.size(); i++) { |
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xml.addChild(((FLayer) layers.get(i)).getXMLEntity()); |
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} |
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return xml;
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} |
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/**
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* DOCUMENT ME!
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*
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* @param xml DOCUMENT ME!
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*
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* @throws XMLException
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* @throws DriverException
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*
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* @see com.iver.cit.gvsig.fmap.layers.FLyrDefault#setXMLEntity(com.iver.utiles.XMLEntity)
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*/
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public void setXMLEntity(XMLEntity xml) throws XMLException, DriverException { |
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super.setXMLEntity(xml);
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int numLayers = xml.getIntProperty("numLayers"); |
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String[] s=xml.getStringArrayProperty("LayerNames"); |
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for (int i = 0; i < numLayers; i++) { |
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if (xml.getStringProperty("file") != null) { |
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layers.add(LayerFactory.createLayer(s[i], |
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xml.getChild(i).getStringProperty("driverName"),
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new File(xml.getChild(i).getStringProperty("name")), |
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getProjection())); |
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} else if (true) { |
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} else if (true) { |
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} |
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} |
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} |
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/**
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* @throws DriverIOException
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* @see com.iver.cit.gvsig.fmap.layers.layerOperations.VectorialData#process(com.iver.cit.gvsig.fmap.operations.strategies.FeatureVisitor, java.util.BitSet)
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*/
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public void process(FeatureVisitor visitor, BitSet subset) throws DriverException { |
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for (Iterator iter = layers.iterator(); iter.hasNext();) { |
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FLayer layer = (FLayer) iter.next(); |
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if (layer instanceof VectorialData) { |
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((VectorialData) layer).process(visitor, subset); |
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} |
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} |
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} |
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/**
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* @throws DriverIOException
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* @see com.iver.cit.gvsig.fmap.layers.layerOperations.VectorialData#process(com.iver.cit.gvsig.fmap.operations.strategies.FeatureVisitor)
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*/
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public void process(FeatureVisitor visitor) throws DriverException { |
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for (Iterator iter = layers.iterator(); iter.hasNext();) { |
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FLayer layer = (FLayer) iter.next(); |
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if (layer.isActive())
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if (layer instanceof VectorialData) { |
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((VectorialData) layer).process(visitor); |
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} |
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} |
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} |
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/**
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* @see com.iver.cit.gvsig.fmap.layers.FLayer#getFMap()
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*/
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public FMap getFMap() {
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return fmap;
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} |
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} |