| gvSIG desktop 1

/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana

 *

 * Copyright (C) 2005 IVER T.I. and Generalitat Valenciana.

 *

 * 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307,USA.

 */

package org.gvsig.rastertools.filter.ui;

import java.awt.BorderLayout;

import javax.swing.JPanel;

import org.gvsig.gui.beans.treelist.TreeListContainer;

import org.gvsig.raster.beans.previewbase.IUserPanelInterface;

import org.gvsig.raster.util.RasterToolsUtil;

import org.gvsig.rastertools.filter.FilterListener;

/**

 * Es el panel central del panel de filtros. Se compone de dos partes.

 * El lateral izquierdo contiene la lista de filtros posibles y filtros seleccionados

 * La parte derecha contiene las opciones de los filtros

 * En la parte de abajo tenemos el fichero de salida.

 * 

 * @version 22/02/2008

 * @author BorSanZa - Borja S?nchez Zamorano (borja.sanchez@iver.es)

 */

public class FilterMainPanel extends JPanel implements IUserPanelInterface {

	private static final long serialVersionUID = -406089078173595028L;

	private TreeListContainer treeListContainer = null;

	private JPanel            centralPanel      = null;

	private FilterListener    filterListener    = null;

	public FilterMainPanel(FilterListener filterListener) {

		this.filterListener = filterListener;

		initialize();

	}

	private void initialize() {

		setLayout(new BorderLayout(5, 5));

		add(getTreeListContainer(), BorderLayout.WEST);

		add(getCentralPanel(), BorderLayout.CENTER);

	}

	/*

	 * (non-Javadoc)

	 * @see org.gvsig.raster.beans.previewbase.IUserPanelInterface#getPanel()

	 */

	public JPanel getPanel() {

		return this;

	}

	/**

	 * This method initializes jPanel

	 * @return javax.swing.JPanel

	 */

	public TreeListContainer getTreeListContainer() {

		if (treeListContainer == null) {

			treeListContainer = new TreeListContainer();

			treeListContainer.getTree().expandRow(0);

			treeListContainer.addTreeListListener(filterListener);

			treeListContainer.addChangeSelectionListener(filterListener);

			treeListContainer.setAddToolTipText(RasterToolsUtil.getText(this, "anadir_filtro"));

			treeListContainer.setDelToolTipText(RasterToolsUtil.getText(this, "eliminar_filtro"));

		}

		return treeListContainer;

	}

	/**

	 * Obtener y generar el JPanel central que contendr? las propiedades

	 * @return

	 */

	public JPanel getCentralPanel() {

		if (centralPanel == null) {

			centralPanel = new JPanel();

			centralPanel.setLayout(new BorderLayout());

		}

		return centralPanel;

	}

	/*

	 * (non-Javadoc)

	 * @see org.gvsig.raster.beans.previewbase.IUserPanelInterface#getTitle()

	 */

	public String getTitle() {

		return "Filtros";

	}

}

/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana

 *

 * Copyright (C) 2005 IVER T.I. and Generalitat Valenciana.

 *

 * 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307,USA.

 */

package org.gvsig.rastertools.filter.ui;

import java.awt.BorderLayout;

import javax.swing.JPanel;

import org.gvsig.andami.PluginServices;

import org.gvsig.andami.ui.mdiManager.IWindow;

import org.gvsig.andami.ui.mdiManager.IWindowListener;

import org.gvsig.andami.ui.mdiManager.WindowInfo;

import org.gvsig.fmap.raster.layers.FLyrRasterSE;

import org.gvsig.gui.beans.buttonspanel.ButtonsPanel;

import org.gvsig.gui.beans.buttonspanel.ButtonsPanelEvent;

import org.gvsig.gui.beans.buttonspanel.ButtonsPanelListener;

import org.gvsig.raster.RasterLibrary;

/**

 * Dialogo para los filtros de raster.

 * 

 * @version 25/02/2008

 * @author BorSanZa - Borja S?nchez Zamorano (borja.sanchez@iver.es)

 */

public class FilterDialog extends JPanel implements IWindow, IWindowListener, ButtonsPanelListener {

	private static final long serialVersionUID = 818691082984915388L;

	private FLyrRasterSE layer      = null;

	private FilterPanel filterPanel = null;

	/**

	 * Constructor

	 * @param width Ancho

	 * @param height Alto

	 */

	public FilterDialog(FLyrRasterSE layer, int width, int height) {

		this.layer = layer;

		setSize(width, height);

		setLayout(new BorderLayout(5, 5));

		add(getFilterPanel(), java.awt.BorderLayout.CENTER);

	}

	/**

	 * Obtiene el panel con el histograma

	 * @return HistogramPanel

	 */

	private FilterPanel getFilterPanel() {

		if (filterPanel == null) {

			filterPanel = new FilterPanel(layer, this);

		}

		return filterPanel;

	}

	/**

	 * Acciones a ejecutar cuando se cancela

	 */

	private void close() {

		try {

			RasterLibrary.removeOnlyLayerNameListener(getFilterPanel().getNewLayerPanel().getPanelNewLayer());

			PluginServices.getMDIManager().closeWindow(this);

		} catch (ArrayIndexOutOfBoundsException e) {

			//Si la ventana no se puede eliminar no hacemos nada

		}

	}

	/*

	 * (non-Javadoc)

	 * @see com.iver.andami.ui.mdiManager.IWindow#getWindowInfo()

	 */

	public WindowInfo getWindowInfo() {

		WindowInfo m_viewinfo = new WindowInfo(WindowInfo.MODELESSDIALOG | WindowInfo.RESIZABLE | WindowInfo.MAXIMIZABLE);

		if (layer != null)

			m_viewinfo.setAdditionalInfo(layer.getName());

		m_viewinfo.setTitle(PluginServices.getText(this, "filtros"));

		m_viewinfo.setHeight(this.getHeight());

		m_viewinfo.setWidth(this.getWidth());

		return m_viewinfo;

	}

	/*

	 * (non-Javadoc)

	 * @see com.iver.andami.ui.mdiManager.IWindowListener#windowClosed()

	 */

	public void windowClosed() {

	}

	/*

	 * (non-Javadoc)

	 * @see org.gvsig.gui.beans.buttonspanel.ButtonsPanelListener#actionButtonPressed(org.gvsig.gui.beans.buttonspanel.ButtonsPanelEvent)

	 */

	public void actionButtonPressed(ButtonsPanelEvent e) {

		// Al pulsar Aceptar o Aplicar se ejecuta el aceptar del panel

		if (e.getButton() == ButtonsPanel.BUTTON_APPLY /*|| e.getButton() == ButtonsPanel.BUTTON_ACCEPT*/) {

			getFilterPanel().getLayerVisualStatus().restoreVisualStatus(layer);

			getFilterPanel().apply();

		}

		// Al pulsar Cancelar la ventana se cierra y se refresca la vista

		if (e.getButton() == ButtonsPanel.BUTTON_CANCEL) {

			getFilterPanel().getLayerVisualStatus().restoreVisualStatus(layer);

			getFilterPanel().cancel();

		}

		if (e.getButton() == ButtonsPanel.BUTTON_CLOSE) {

			close();

		}

	}

	public void windowActivated() {}

	public Object getWindowProfile() {

		return WindowInfo.PROPERTIES_PROFILE;

	}

}

/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana

 *

 * Copyright (C) 2006 IVER T.I. and Generalitat Valenciana.

 *

 * 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307,USA.

 */

package org.gvsig.rastertools.filter.ui;

import java.awt.BorderLayout;

import java.awt.Dimension;

import java.awt.GridBagConstraints;

import java.awt.GridBagLayout;

import java.awt.Insets;

import java.util.ArrayList;

import java.util.Hashtable;

import javax.swing.BorderFactory;

import javax.swing.DefaultListModel;

import javax.swing.JCheckBox;

import javax.swing.JPanel;

import javax.swing.border.TitledBorder;

import org.gvsig.andami.PluginServices;

import org.gvsig.app.project.documents.view.gui.AbstractViewPanel;

import org.gvsig.fmap.mapcontext.layers.FLayer;

import org.gvsig.fmap.raster.layers.FLyrRasterSE;

import org.gvsig.gui.beans.buttonspanel.ButtonsPanel;

import org.gvsig.gui.beans.imagenavigator.ImageUnavailableException;

import org.gvsig.gui.beans.propertiespanel.PropertiesComponent;

import org.gvsig.gui.beans.treelist.TreeListContainer;

import org.gvsig.raster.beans.createlayer.CreateLayerPanel;

import org.gvsig.raster.beans.previewbase.IPreviewRenderProcess;

import org.gvsig.raster.beans.previewbase.ParamStruct;

import org.gvsig.raster.beans.previewbase.PreviewBasePanel;

import org.gvsig.raster.dataset.Params;

import org.gvsig.raster.dataset.Params.Param;

import org.gvsig.raster.grid.filter.FilterTypeException;

import org.gvsig.raster.grid.filter.RasterFilter;

import org.gvsig.raster.grid.filter.RasterFilterList;

import org.gvsig.raster.grid.filter.RasterFilterListManager;

import org.gvsig.raster.hierarchy.IRasterRendering;

import org.gvsig.raster.util.LayerVisualStatusList;

import org.gvsig.raster.util.RasterToolsUtil;

import org.gvsig.rastertools.filter.FilterListener;

/**

 * Dialogo para los filtros de raster.

 *

 * @version 30/05/2007

 * @author Nacho Brodin <brodin_ign@gva.es>

 * @author BorSanZa - Borja S?nchez Zamorano (borja.sanchez@iver.es)

 */

public class FilterPanel extends JPanel implements IPreviewRenderProcess {

	private static final long serialVersionUID = 7152780112689637266L;

	private PreviewBasePanel       previewBasePanel    = null;

	private FLyrRasterSE           layer               = null;

	private FilterListener         filterListener      = null;

	private PropertiesComponent    propertiesComponent = null;

	private LayerVisualStatusList  status              = new LayerVisualStatusList();

	private JCheckBox              jCBShowFilters      = null;

	private String                 viewName            = null;

	private JPanel                 jPanelOptions       = null;

	private FilterMainPanel        filterMain          = null;

	private FilterDialog           filterDialog        = null;

	private CreateLayerPanel       newLayerPanel       = null;

	private boolean                showPreview         = true;	

	/**

	 * Constructor

	 * @param width Ancho del panel

	 * @param height Alto del panel

	 */

	public FilterPanel(FLyrRasterSE layer, FilterDialog filterDialog) {

		this.filterDialog = filterDialog;

		setLayer(layer);

		initialize();

	}

	private void initialize() {

		translate();

		setLayout(new BorderLayout());

		add(getPreviewBasePanel(), BorderLayout.CENTER);

	}

	/**

	 * Seccion donde ir?n todas las traducciones invariables del componente

	 */

	private void translate() {

		getCBShowFilters().setText(PluginServices.getText(this, "aplicar_vista_previa"));

	}

	/**

	 * Obtiene el panel con el histograma

	 * @return HistogramPanel

	 */

	private PreviewBasePanel getPreviewBasePanel() {

		if (previewBasePanel == null) {

			ArrayList list = new ArrayList();

			list.add(getMainPanel());

			previewBasePanel = new PreviewBasePanel(ButtonsPanel.BUTTONS_APPLYCLOSE, list, null, panelOptions(), this, (FLyrRasterSE) layer);

			previewBasePanel.getButtonsPanel().addCancel();

			previewBasePanel.setPreviewSize(new Dimension(230, 215));

			previewBasePanel.addButtonPressedListener(filterDialog);

		}

		return previewBasePanel;

	}

	/**

	 * Devuelve el componente <code>FilterListener</code>, que contendr? el

	 * proceso en si del panel

	 */

	private FilterListener getFilterListener() {

		if (filterListener == null) {

			filterListener = new FilterListener(this);

		}

		return filterListener;

	}

	/**

	 * Devuelve el panel de Opciones, en caso de no existir, lo crea.

	 * @return

	 */

	private JPanel panelOptions() {

		if (jPanelOptions == null) {

			jPanelOptions = new JPanel();

			GridBagConstraints gridBagConstraints;

			jPanelOptions.setLayout(new GridBagLayout());

			gridBagConstraints = new GridBagConstraints();

			gridBagConstraints.gridx = 0;

			gridBagConstraints.gridy = 1;

			gridBagConstraints.anchor = GridBagConstraints.WEST;

			gridBagConstraints.insets = new Insets(2, 2, 2, 2);

			jPanelOptions.add(getCBShowFilters(), gridBagConstraints);

			gridBagConstraints = new GridBagConstraints();

			gridBagConstraints.gridx = 0;

			gridBagConstraints.gridy = 4;

			gridBagConstraints.fill = GridBagConstraints.HORIZONTAL;

			gridBagConstraints.insets = new Insets(3, 3, 3, 3);

			jPanelOptions.add(getNewLayerPanel().getJPanel(), gridBagConstraints);

			gridBagConstraints = new GridBagConstraints();

			gridBagConstraints.gridx = 0;

			gridBagConstraints.gridy = 5;

			gridBagConstraints.weightx = 1.0;

			gridBagConstraints.weighty = 1.0;

			jPanelOptions.add(new JPanel(), gridBagConstraints);

		}

		return jPanelOptions;

	}

	public CreateLayerPanel getNewLayerPanel() {

		if (newLayerPanel == null) {

			newLayerPanel = new CreateLayerPanel(layer);

		}

		return newLayerPanel;

	}

	/**

	 * Construye el arbol para el men? de filtros disponibles

	 */

	private void menuBuild() {

		Hashtable keys = new Hashtable();

		RasterFilterList filterList = ((FLyrRasterSE) layer).getRenderFilterList();

		// Creamos un stackManager para recorrer los filtros registrados en gvSIG

		RasterFilterListManager stackManager = new RasterFilterListManager(filterList);

		int count = 0;

		RasterFilter obj = null;

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

			Class classFilter = (Class) stackManager.getRasterFilterList().get(i);

			try {

				obj = (RasterFilter) classFilter.newInstance();

				initFilter(obj);

				if (!obj.isVisible())

					continue;

				// Crear grupos de los filtros

				if (!keys.containsKey(PluginServices.getText(this, new String(obj.getGroup())))) {

					keys.put(PluginServices.getText(this, new String(obj.getGroup())), obj);

					getMainPanel().getTreeListContainer().addClass(PluginServices.getText(this, new String(obj.getGroup())), count);

					count++;

				}

				// Crear cada entrada de los filtro

				String[] names = obj.getNames();

				for (int j = 0; j < names.length; j++) {

					obj.setName(names[j]);

					getFilterListener().addNewParam(names[j], initFilterParam(obj.getUIParams(names[j])), classFilter);

					getMainPanel().getTreeListContainer().addEntry(PluginServices.getText(this, names[j]), PluginServices.getText(this, obj.getGroup()), names[j]);

				}

			} catch (InstantiationException e) {

				RasterToolsUtil.debug("No se ha podido meter el filtro en la lista", this, e);

			} catch (IllegalAccessException e) {

				RasterToolsUtil.debug("No se ha podido meter el filtro en la lista", this, e);

			}

		}

		getMainPanel().getTreeListContainer().getTree().expandRow(0);

	}

	/**

	 * Pasamos los parametros basicos a un filtro

	 * @param filter

	 */

	private void initFilter(RasterFilter filter) {

		if (layer != null) {

			filter.getEnv().put("MultiRasterDataset", ((FLyrRasterSE) layer).getDataSource());

			filter.getEnv().put("initRaster", layer);

		}

	}

	/**

	 * Sirve para a?adir mas parametros genericos por defecto al panel, de momento

	 * solo he puesto para activar o desactivar un filtro.

	 * @param params

	 * @return

	 */

	private Params initFilterParam(Params params) {

		params.setParam("enabled", new Boolean(true), Params.CHECK, null);

		Param param = params.getParamById("enabled");

		params.getParams().remove(params.getParams().size() - 1);

		params.getParams().add(0, param);

		return params;

	}

	/**

	 * Comprueba que el nombre del filtro esta cargado en las extensiones

	 * @param filter

	 * @return

	 */

	private boolean hasThisFilter(String filter) {

		RasterFilterList filterList = new RasterFilterList();

		RasterFilterListManager stackManager = new RasterFilterListManager(filterList);

		boolean error;

		RasterFilter obj = null;

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

			Class classFilter = (Class) stackManager.getRasterFilterList().get(i);

			error = true;

			try {

				obj = (RasterFilter) classFilter.newInstance();

				error = false;

			} catch (InstantiationException e) {

			} catch (IllegalAccessException e) {

			}

			if (!error) {

				String[] names = obj.getNames();

				for (int j = 0; j < names.length; j++)

					if (filter.equals(names[j]))

						return true;

			}

		}

		return false;

	}

	/**

	 * Definir el FLayer del panel, haciendo todas las cargas necesarias despues

	 * de especificarlo.

	 * @param layer

	 */

	private void setLayer(FLyrRasterSE layer) {

		if (layer == null)

			return;

		this.layer = layer;

		getPreviewBasePanel().setLayer(layer);

		// Construimos el arbol de filtros

		menuBuild();

		AbstractViewPanel view = (AbstractViewPanel) PluginServices.getMDIManager().getActiveWindow();

		viewName = PluginServices.getMDIManager().getWindowInfo(view).getTitle();

		//Comprobamos que el raster de salida no exceda los 4GB que es el m?ximo 

		//admisible por un TIFF. Si es as? se hace un setCompress para salvar en JPEG2000

		long sizeB = (long)((((FLyrRasterSE) layer).getPxWidth() * ((FLyrRasterSE) layer).getPxWidth() * ((FLyrRasterSE) layer).getBandCount())); 

		int sizeMB = (int)(sizeB / 1048576);

		if(sizeMB >= 4096) {

			RasterToolsUtil.messageBoxInfo("file_too_big", this);

			getNewLayerPanel().setCompress(true);

		}

		RasterFilterList rfl = ((FLyrRasterSE) layer).getRenderFilterList();

		status.getVisualStatus(((FLyrRasterSE) layer));

		//Carga el listado de filtros que ya estaban aplicados en la capa al abrir

		int i = 0;

		boolean filters = false;

		while (rfl.get(i) != null) {

			DefaultListModel list = (DefaultListModel) getMainPanel().getTreeListContainer().getListModel();

			if (rfl.get(i).isVisible() && hasThisFilter(rfl.get(i).getName())) {

				list.addElement(PluginServices.getText(this, rfl.get(i).getName()));

				for (int j = 0; j < getFilterListener().getParamsList().size(); j++) {

					if (((ParamStruct) getFilterListener().getParamsList().get(j)).getFilterName().equals(rfl.get(i).getName())) {

						filters = true;

						initFilter(rfl.get(i));

						((ParamStruct) getFilterListener().getParamsList().get(j)).setFilterParam(initFilterParam(rfl.get(i).getUIParams(rfl.get(i).getName())));

					}

				}

			}

			i++;

		}

		// Si existen filtros ya en la capa, pondremos los RadioButton para que

		// los cambios se hagan sobre la visualizaci?n

		if (filters)

			getNewLayerPanel().setOnlyView(true);

		// Selecciona el primer item del arbol

		TreeListContainer lc = getMainPanel().getTreeListContainer();

		lc.getTree().expandRow(1);

		lc.getTree().setSelectionInterval(2, 2);

	}

	public FilterMainPanel getMainPanel() {

		if (filterMain == null) {

			filterMain = new FilterMainPanel(getFilterListener());

			JPanel panel = getNewLayerPanel().getFileNamePanel();

			panel.setBorder(BorderFactory.createTitledBorder(null, PluginServices.getText(this, "nombre_capa"), TitledBorder.DEFAULT_JUSTIFICATION, TitledBorder.DEFAULT_POSITION, null, null));

			filterMain.getCentralPanel().add(panel, BorderLayout.SOUTH);

		}

		return filterMain;

	}

	/**

	 * Volvemos todo a la normalidad cuando se cancela

	 */

	public void cancel() {

		if (layer != null)

			layer.getMapContext().invalidate();

	}

	/**

	 * Cuando se aceptan los cambios en el panel ejecutaremos el aceptar del

	 * listener

	 */

	public void apply() {

		filterListener.accept();

	}

	/**

	 * Obtener el PropertiesComponent del panel de filtros, en caso de no existir,

	 * lo crea.

	 * @return

	 */

	public PropertiesComponent getPropertiesComponent() {

		if (propertiesComponent == null) {

			propertiesComponent = new PropertiesComponent();

			getMainPanel().getCentralPanel().add(propertiesComponent, BorderLayout.CENTER);

			propertiesComponent.addStateChangedListener(getFilterListener());

		}

		return propertiesComponent;

	}

	/**

	 * Asignar un nuevo componente de PropertiesComponent, eliminando el anterior

	 * que hubiera.

	 * @param component

	 * @param name

	 */

	public void setNewPropertiesComponent(PropertiesComponent component, String name) {

		getPropertiesComponent().setVisible(false);

		this.remove(propertiesComponent);

		propertiesComponent = null;

		propertiesComponent = component;

		getMainPanel().getCentralPanel().add(propertiesComponent, BorderLayout.CENTER);

		propertiesComponent.addStateChangedListener(getFilterListener());

		setTitle(name);

		this.validate();

	}

	/**

	 * Asigna el t?tulo al panel

	 * @param title T?tulo del panel

	 */

	public void setTitle(String title) {

		getPropertiesComponent().setBorder(BorderFactory.createTitledBorder(null, PluginServices.getText(this, "filtro_de") + " " + PluginServices.getText(this, title), javax.swing.border.TitledBorder.DEFAULT_JUSTIFICATION, javax.swing.border.TitledBorder.DEFAULT_POSITION, null, null));

	}

	/**

	 * Devuelve el estado de los filtros inicial

	 * @return VisualStatusLayerStack

	 */

	public LayerVisualStatusList getLayerVisualStatus() {

		return status;

	}

	/**

	 * Actualizamos la vista previa

	 */

	public void refreshPreview() {

		getPreviewBasePanel().refreshPreview();

	}

	/**

	 * Devuelve el FLayer asignado al panel

	 * @return

	 */

	public FLayer getLayer() {

		return layer;

	}

	/**

	 * @return the jLabelShowFilters

	 */

	public JCheckBox getCBShowFilters() {

		if (jCBShowFilters == null) {

			jCBShowFilters = new JCheckBox();

			jCBShowFilters.addActionListener(getFilterListener());

			jCBShowFilters.setSelected(true);

		}

		return jCBShowFilters;

	}

	/**

	 * Obtiene el nombre de la vista

	 * @return

	 */

	public String getViewName() {

		return viewName;

	}

	/**

	 * Especificar el nombre de la nueva capa para el recuadro de texto asign?ndo

	 * en cada llamada un nombre consecutivo.

	 */

	public void updateNewLayerText() {

		getNewLayerPanel().updateNewLayerText();

	}

	/*

	 * (non-Javadoc)

	 * @see org.gvsig.raster.beans.previewbase.IPreviewRenderProcess#process(org.gvsig.raster.hierarchy.IRasterRendering)

	 */

	public void process(IRasterRendering rendering) throws FilterTypeException, ImageUnavailableException {

		if(!showPreview)

			throw new ImageUnavailableException(RasterToolsUtil.getText(this, "panel_preview_not_available"));

		getFilterListener().drawImage(rendering);

	}

	/**

	 * Obtiene el flag que informa de si se est? mostrando la previsualizaci?n o no.

	 * En caso de no mostrarse se lanza una excepci?n ImageUnavailableExcepcion con el 

	 * mensaje "La previsualizaci?n no est? disponible para este panel"

	 * @return

	 */

	public boolean isShowPreview() {

		return showPreview;

	}

	/**

	 * Asigna el flag para mostrar u ocultar la preview. En caso de no mostrarse se lanza una 

	 * excepci?n ImageUnavailableExcepcion con el mensaje "La previsualizaci?n no est? disponible para

	 * este panel"

	 * @param showPreview

	 */

	public void setShowPreview(boolean showPreview) {

		this.showPreview = showPreview;

	}

}