Application: gvSIG desktop

/**

 * gvSIG. Desktop Geographic Information System.

 *

 * Copyright (C) 2007-2013 gvSIG Association.

 *

 * 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 3

 * 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.

 *

 * For any additional information, do not hesitate to contact us

 * at info AT gvsig.com, or visit our website www.gvsig.com.

 */

package org.gvsig.fmap.mapcontext.layers.order.impl;

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

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

import org.gvsig.fmap.mapcontext.layers.order.LayerOrderManager;

import org.gvsig.i18n.Messages;

import org.gvsig.tools.ToolsLocator;

import org.gvsig.tools.dynobject.DynStruct;

import org.gvsig.tools.persistence.PersistenceManager;

import org.gvsig.tools.persistence.PersistentState;

import org.gvsig.tools.persistence.exception.PersistenceException;

public class TrivialLayerOrderManager implements LayerOrderManager {

	public static final String TRIVIAL_LAYER_ORDER_MANAGER_PERSISTENCE_NAME =

			"TRIVIAL_LAYER_ORDER_MANAGER_PERSISTENCE_NAME";

	public TrivialLayerOrderManager() {

	}

	public int getPosition(FLayers target, FLayer newLayer) {

		/*

		 * Always on top

		 */

		return target.getLayersCount();

	}

	public String getName() {

		return Messages.getText("_Default_order");

	}

	public String getDescription() {

		return Messages.getText("_Layers_are_placed_always_on_top");

	}

	public String getCode() {

		return this.getClass().getName();

	}

	public void loadFromState(PersistentState state) throws PersistenceException {

	}

	public void saveToState(PersistentState state) throws PersistenceException {

		state.set("name", this.getName());

	}

	public static void registerPersistent() {

		PersistenceManager manager = ToolsLocator.getPersistenceManager();

		if (manager.getDefinition(TRIVIAL_LAYER_ORDER_MANAGER_PERSISTENCE_NAME) == null) {

			DynStruct def = manager.addDefinition(

					TrivialLayerOrderManager.class,

					TRIVIAL_LAYER_ORDER_MANAGER_PERSISTENCE_NAME,

					TRIVIAL_LAYER_ORDER_MANAGER_PERSISTENCE_NAME +" Persistence definition",

					null, 

					null);

			def.addDynFieldString("name").setMandatory(true);

		}			

	}

	public Object clone() throws CloneNotSupportedException {

		return new TrivialLayerOrderManager();

	}

}

/**

 * gvSIG. Desktop Geographic Information System.

 *

 * Copyright (C) 2007-2013 gvSIG Association.

 *

 * 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 3

 * 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.

 *

 * For any additional information, do not hesitate to contact us

 * at info AT gvsig.com, or visit our website www.gvsig.com.

 */

package org.gvsig.fmap.mapcontext.layers.order.impl;

import org.gvsig.fmap.mapcontext.MapContextLibrary;

import org.gvsig.fmap.mapcontext.MapContextLocator;

import org.gvsig.fmap.mapcontext.layers.order.LayerOrderManager;

import org.gvsig.i18n.Messages;

import org.gvsig.tools.library.AbstractLibrary;

import org.gvsig.tools.library.LibraryException;

/**

 * Registers the default implementation for {@link LayerOrderManager}

 * 

 * @author <a href="mailto:jpiera@gvsig.org">Jorge Piera</a>

 */

public class BasicLayerOrderLibrary extends AbstractLibrary {

    public void doRegistration() {

        require(MapContextLibrary.class);

    }

    protected void doInitialize() throws LibraryException {

        Messages.addResourceFamily(

        		"org.gvsig.fmap.mapcontext.impl.i18n.text",

        		BasicLayerOrderLibrary.class.getClassLoader(),

        		BasicLayerOrderLibrary.class.getClass().getName());

    	TrivialLayerOrderManager.registerPersistent();

    	RasterPolLinePointOrderManager.registerPersistent();

        MapContextLocator.registerDefaultOrderManager(

    			TrivialLayerOrderManager.class);

    	MapContextLocator.registerOrderManager(

    			RasterPolLinePointOrderManager.class);

    }

    protected void doPostInitialize() throws LibraryException {  	

    }

}

/**

 * gvSIG. Desktop Geographic Information System.

 *

 * Copyright (C) 2007-2013 gvSIG Association.

 *

 * 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 3

 * 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.

 *

 * For any additional information, do not hesitate to contact us

 * at info AT gvsig.com, or visit our website www.gvsig.com.

 */

package org.gvsig.fmap.mapcontext.layers.order.impl;

import java.util.Map;

import org.gvsig.fmap.dal.exception.ReadException;

import org.gvsig.fmap.geom.Geometry;

import org.gvsig.fmap.geom.Geometry.TYPES;

import org.gvsig.fmap.geom.type.GeometryType;

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

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

import org.gvsig.fmap.mapcontext.layers.order.LayerOrderManager;

import org.gvsig.fmap.mapcontext.layers.vectorial.FLyrVect;

import org.gvsig.i18n.Messages;

import org.gvsig.tools.ToolsLocator;

import org.gvsig.tools.dynobject.DynStruct;

import org.gvsig.tools.persistence.PersistenceManager;

import org.gvsig.tools.persistence.PersistentState;

import org.gvsig.tools.persistence.exception.PersistenceException;

import org.slf4j.Logger;

import org.slf4j.LoggerFactory;

public class RasterPolLinePointOrderManager implements LayerOrderManager {

	public static final String RASTER_POLYGON_LINE_POINT_LAYER_ORDER_MANAGER_PERSISTENCE_NAME =

			"RASTER_POLYGON_LINE_POINT_LAYER_ORDER_MANAGER_PERSISTENCE_NAME";

	private static Logger logger =

		LoggerFactory.getLogger(RasterPolLinePointOrderManager.class);

	public RasterPolLinePointOrderManager() {

	}

	public int getPosition(FLayers target, FLayer newLayer) {

		int new_weight = 3;

		new_weight = getLayerWeight(newLayer);

		int len = target.getLayersCount();

		int item_w = 0;

		// from top to bottom,

		// look for a layer at

		// least as "heavy" as this one

		for (int i=(len-1); i>=0; i--) {

			item_w = getLayerWeight(target.getLayer(i));

			if (item_w >= new_weight) {

				return (i+1);

			}

		}

		// layer "falls" to bottom

		return 0;

	}

	public String getDescription() {

		return Messages.getText("_Raster_at_bottom_then_polygons_lines_points");

	}

	public String getName() {

		return Messages.getText("_Raster_Polygon_Line_Point_order_manager");

	}

	public String getCode() {

		return this.getClass().getName();

	}

	/**

	 * 

	 * @param lyr

	 * @return weight: point=0, line=1, polygon=2, other=3, raster=4

	 */

	private int getLayerWeight(FLayer lyr) {

		if (lyr.getClass().getName().toLowerCase().indexOf("raster") != -1) {

			return 4;

		} else {

			if (lyr instanceof FLyrVect) {

				FLyrVect lyrv = (FLyrVect) lyr;

				int type2d = Geometry.TYPES.SURFACE;

				try {

					type2d = simplifyType(lyrv.getGeometryType());

				} catch (ReadException e) {

					logger.error("While getting geo type.", e);

				}

				switch (type2d) {

				case TYPES.SURFACE:

					return 2;

				case TYPES.CURVE:

					return 1;

				case TYPES.POINT:

					return 0;

				default:

					// should not reach this

					return 3;

				}

			} else {

				// other:

				return 3;

			}

		}

	}

	/**

	 * 

	 */

	private int simplifyType(GeometryType gt) {

		if (gt.getType() == TYPES.POINT || gt.getType() == TYPES.MULTIPOINT) {

			return TYPES.POINT;

		} else {

			if (gt.isTypeOf(TYPES.CURVE) || gt.getType() == TYPES.MULTICURVE) {

				return TYPES.CURVE;

			} else {

				if (gt.isTypeOf(TYPES.SURFACE) || gt.getType() == TYPES.MULTISURFACE) {

					return TYPES.SURFACE;

				} else {

					// default

					return TYPES.SURFACE;

				}

			}

		}

	}

	public void loadFromState(PersistentState state) throws PersistenceException {

	}

	public void saveToState(PersistentState state) throws PersistenceException {

		state.set("name", this.getName());

	}

	public static void registerPersistent() {

		PersistenceManager manager = ToolsLocator.getPersistenceManager();

		if (manager.getDefinition(RASTER_POLYGON_LINE_POINT_LAYER_ORDER_MANAGER_PERSISTENCE_NAME) == null) {

			DynStruct def = manager.addDefinition(

					RasterPolLinePointOrderManager.class,

					RASTER_POLYGON_LINE_POINT_LAYER_ORDER_MANAGER_PERSISTENCE_NAME,

					RASTER_POLYGON_LINE_POINT_LAYER_ORDER_MANAGER_PERSISTENCE_NAME +" Persistence definition",

					null, 

					null);

			def.addDynFieldString("name").setMandatory(true);

		}			

	}

	public Object clone() throws CloneNotSupportedException {

		return new RasterPolLinePointOrderManager();

	}

}

_Raster_at_bottom_then_polygons_lines_points=Capas de im?genes en el fondo, despu?s pol?gonos, l?neas y puntos

_Raster_Polygon_Line_Point_order_manager=Orden Im?genes-Pol?gonos-L?neas-Puntos

_Default_order=Orden por defecto

_Layers_are_placed_always_on_top=Las capas se colocan siempre sobre las existentes

_Raster_at_bottom_then_polygons_lines_points=Raster layers at bottom, then polygon, linear and point layers

_Raster_Polygon_Line_Point_order_manager=Raster-Polygon-Line-Point order

_Default_order=Default order

_Layers_are_placed_always_on_top=Layers are placed always on top

org.gvsig.fmap.mapcontext.layers.order.impl.BasicLayerOrderLibrary

<?xml version="1.0" encoding="UTF-8"?>

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">

  <modelVersion>4.0.0</modelVersion>

  <artifactId>org.gvsig.fmap.mapcontext.impl</artifactId>

  <packaging>jar</packaging>

  <name>${project.artifactId}</name>

  <parent>

      <groupId>org.gvsig</groupId>

      <artifactId>org.gvsig.fmap.mapcontext</artifactId>

      <version>2.0.99</version>

  </parent>

  <dependencies>

    <dependency>

      <groupId>org.gvsig</groupId>

      <artifactId>org.gvsig.fmap.mapcontext.api</artifactId>

      <scope>compile</scope>

    </dependency>

  </dependencies>

</project>

<?xml version="1.0" encoding="UTF-8"?>

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">

  <modelVersion>4.0.0</modelVersion>

  <artifactId>org.gvsig.fmap.mapcontext</artifactId>

  <packaging>pom</packaging>

  <name>${project.artifactId}</name>

  <parent>

      <groupId>org.gvsig</groupId>

      <artifactId>org.gvsig.desktop.compat.cdc</artifactId>

      <version>2.0.99</version>

  </parent>

  <modules>

      <module>org.gvsig.fmap.mapcontext.api</module>

      <module>org.gvsig.fmap.mapcontext.impl</module>

      <module>org.gvsig.fmap.mapcontext.operation</module>

  </modules>

  <description>This project contains the core of the map drawer of gvSIG.</description>

</project>

org.gvsig.fmap.mapcontext.MapContextLibrary

org.gvsig.fmap.mapcontext.impl.MapContextImplLibrary

/**

 * gvSIG. Desktop Geographic Information System.

 *

 * Copyright (C) 2007-2013 gvSIG Association.

 *

 * 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 3

 * 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.

 *

 * For any additional information, do not hesitate to contact us

 * at info AT gvsig.com, or visit our website www.gvsig.com.

 */

package org.gvsig.fmap.mapcontext;

import java.awt.Graphics2D;

import java.awt.image.BufferedImage;

import org.gvsig.compat.print.PrintAttributes;

import org.gvsig.fmap.dal.exception.ReadException;

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

import org.gvsig.tools.task.Cancellable;

public interface MapContextDrawer {

	public void setMapContext(MapContext mapContext);

	public void setViewPort(ViewPort viewPort);

	public void draw(FLayers root, BufferedImage image, Graphics2D g, Cancellable cancel,

			double scale) throws ReadException;

	public void print(FLayers root, Graphics2D g, Cancellable cancel,

			double scale, PrintAttributes properties) throws ReadException;

	public void dispose();

}

/**

 * gvSIG. Desktop Geographic Information System.

 *

 * Copyright (C) 2007-2013 gvSIG Association.

 *

 * 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 3

 * 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.

 *

 * For any additional information, do not hesitate to contact us

 * at info AT gvsig.com, or visit our website www.gvsig.com.

 */

package org.gvsig.fmap.mapcontext;

import java.awt.geom.Rectangle2D;

import org.gvsig.tools.ToolsLocator;

import org.gvsig.tools.dynobject.DynStruct;

import org.gvsig.tools.persistence.PersistenceManager;

import org.gvsig.tools.persistence.Persistent;

import org.gvsig.tools.persistence.PersistentState;

import org.gvsig.tools.persistence.exception.PersistenceException;

import org.gvsig.tools.util.Callable;

/**

 * <p>

 * <code>ExtentHistory</code> is designed for managing a history of extents.

 * </p>

 * <p>

 * Note: An <i>extent</i> is a rectangular area, with information of its

 * top-left 2D corner.

 * </p>

 *

 * @author Vicente Caballero Navarro

 */

public class ExtentHistory implements Persistent {

  private static final String FIELD_CURRENT_EXTENT = "current";

  private static final String FIELD_NUM_PREVIOUS = "num";

  private static final String FIELD_NUM_NEXT = "numnext";

  private static final String FIELD_NUM_RECORDS = "numrec";

  private static final String FIELD_PREVIOUS_EXTENTS = "extents";

  private static final String FIELD_NEXT_EXTENTS = "extentsNext";

  /**

   * <p>

   * Maximum number of extents that can store.

   * </p>

   */

  private int NUMREC;

  /**

   * <p>

   * Array with the previous extents.

   * </p>

   *

   * @see #hasPrevious()

   * @see #put(Rectangle2D)

   * @see #getPrev()

   * @see #popPrev()

   */

  private Rectangle2D[] extentsPrev;

  /**

   * <p>

   * Array with the next extents.

   * </p>

   *

   * @see #hasNext()

   * @see #putNext(Rectangle2D)

   * @see #getNext()

   * @see #popNext()

   */

  private Rectangle2D[] extentsNext;

  /**

   * <p>

   * The current extent of the viewport.

   * </p>

   */

  private Rectangle2D currentExtent;

  /**

   * <p>

   * Number of previous extents stored.

   * </p>

   *

   * @see #hasPrevious()

   * @see #put(Rectangle2D)

   * @see #getPrev()

   * @see #popPrev()

   */

  private int numPrev = 0;

  /**

   * <p>

   * Number of next extents stored.

   * </p>

   *

   * @see #hasNext()

   * @see #putNext(Rectangle2D)

   * @see #getNext()

   * @see #popNext()

   */

  private int numNext = 0;

  /**

   * <p>

   * Creates a new instance of <code>ExtentsHistory</code> with an history of 10

   * extents.

   * </p>

   */

  public ExtentHistory() {

    this(10);

  }

  /**

   * <p>

   * Creates a new instance of <code>ExtentsHistory</code> with an history of

   * <code>numEntries</code> extents.

   * </p>

   *

   * @param numEntries the maximum number of extents that will store the

   *          instance

   */

  public ExtentHistory(int numEntries) {

    NUMREC = numEntries;

    extentsPrev = new Rectangle2D[NUMREC];

    extentsNext = new Rectangle2D[NUMREC];

  }

  /**

   * <p>

   * Appends the specified extent at the end of the array of previous zooms.

   * </p>

   *

   * @param ext the new extent

   */

  public void put(Rectangle2D ext) {

    // Si al cargar de la persistencia currentExtent es null ViewPort nos dar? su extent

    if(currentExtent == null) {

      this.currentExtent = ext;

      return;

    }

    if ( !ext.equals(getPrev()) && !ext.equals(getNext()) ) {

      clearNumNext();

    }

    pushPrevious(currentExtent);

    this.currentExtent = ext;

  }

  /**

   * <p>

   * Returns <code>true</code> if there are previous extents registered.

   * </p>

   *

   * @return <code>true</code> if there are previous extents registered;

   *         <code>false</code> otherwise

   */

  public boolean hasPrevious() {

    return numPrev > 0;

  }

  /**

   * <p>

   * Returns <code>true</code> if there are next extents registered.

   * </p>

   *

   * @return <code>true</code> if there are next extents registered;

   *         <code>false</code> otherwise

   */

  public boolean hasNext() {

    return numNext > 0;

  }

  /**

   * <p>

   * Returns the last previous extent from the history.

   * </p>

   *

   * @return the last previous extent from the history

   */

  public Rectangle2D getPrev() {

    if (numPrev <= 0) {

      return null;

    }

    Rectangle2D ext = extentsPrev[numPrev - 1];

    return ext;

  }

  /**

   * <p>

   * Returns the last next extent from the history.

   * </p>

   *

   * @return the last next extent from the history

   */

  public Rectangle2D getNext() {

    if (numNext <= 0) {

      return null;

    }

    Rectangle2D ext = extentsNext[numNext - 1];

    return ext;

  }

  /**

   * <p>

   * Extracts (removing) the last previous extent from the history.

   * </p>

   *

   * @return last previous extent from the history

   */

  private Rectangle2D popPrev() {

    if (numPrev <= 0) {

      return null;

    }

    Rectangle2D ext = extentsPrev[--numPrev];

    return ext;

  }

  /**

   * <p>

   * Extracts (removing) the last next extent from the history.

   * </p>

   *

   * @return last next extent from the history

   */

  private Rectangle2D popNext() {

    if (numNext <= 0) {

      return null;

    }

    Rectangle2D ext = extentsNext[--numNext];

    return ext;

  }

  /**

   * <p>

   * Sets to zero the number of previous extents from the history.

   * </p>

   */

  private void clearNumPrev() {

    numPrev = 0;

  }

  /**

   * <p>

   * Sets to zero the number of next extents from the history.

   * </p>

   */

  private void clearNumNext() {

    numNext = 0;

  }

  /**

   * <p>

   * Adds the current extent to the next extent history and sets the last

   * previous extent as the new current extent.

   * </p>

   *

   * @return the last previous extent as the new current extent

   */

  public Rectangle2D setPreviousExtent() {

    if (currentExtent != null) {

      pushNext(currentExtent);

    }

    currentExtent = popPrev();

    return currentExtent;

  }

  /**

   * <p>

   * Adds the specified extent to the next extent history.

   * If the array of next extents is complete, loses the

   * first extent of the array and adds the new one at the end.

   * </p>

   *  

   */

  private void pushNext(Rectangle2D ext) {

    if (numNext < (NUMREC)) {

      extentsNext[numNext] = ext;

      numNext = numNext + 1;

    }

    else {

      for (int i = 0; i < (NUMREC - 1); i++) {

        extentsNext[i] = extentsNext[i + 1];

      }

      extentsNext[numNext - 1] = ext;

    }

  }

  /**

   * <p>

   * Adds the current extent to the previous extent history and sets the last

   * next extent as the new current extent.

   * </p>

   * 

   * @return the last next extent as the new current extent

   */

  public Rectangle2D setNextExtent() {

    if (currentExtent != null) {

      pushPrevious(currentExtent);

    }

    currentExtent = popNext();

    return currentExtent;

  }

  /**

   * <p>

   * Adds the specified extent to the previous extent history.

   * If the array of previous extents is complete, loses the

   * first extent of the array and adds the new one at the end.

   * </p>

   *  

   */

  private void pushPrevious(Rectangle2D ext) {

    if (numPrev < (NUMREC)) {

      extentsPrev[numPrev] = ext;

      numPrev++;

    } else {

      for (int i = 0; i < (NUMREC - 1); i++) {

        extentsPrev[i] = extentsPrev[i + 1];

      }

      extentsPrev[numPrev - 1] = ext;

    }

  }

  /**

   * <p>

   * Returns the current extent.

   * </p>

   *  

   * @return the current extent

   */

  public Rectangle2D getCurrent() {

    return currentExtent;

  }

  public void loadFromState(PersistentState state) throws PersistenceException {

    if (state.hasValue("num")) {

      numPrev = state.getInt("num");

    }

    else {

      clearNumPrev();

    }

    if (state.hasValue("numnext")) {

      numNext = state.getInt("numnext");

    }

    else {

      clearNumNext();

    }

    if (state.hasValue("numrec")) {

      NUMREC = state.getInt("numrec");

    }

    else {

      NUMREC = 10;

    }

    if (state.hasValue("extents")) {

      extentsPrev = (Rectangle2D[]) state

          .getArray("extents", Rectangle2D.class);

    }

    else {

      extentsPrev = new Rectangle2D[NUMREC];

      clearNumPrev();

    }

    if (state.hasValue("extentsNext")) {

      extentsNext = (Rectangle2D[]) state.getArray("extentsNext",

          Rectangle2D.class);

    }

    else {

      extentsNext = new Rectangle2D[NUMREC];

      clearNumNext();

    }

    if (state.hasValue("current")) {

      currentExtent = (Rectangle2D) state.get("current");

    }

    else {

      currentExtent = null;

    }

  }

  /**

   * <p>

   * Returns information of this object. All information is stored as

   * properties:<br>

   * </p>

   * <p>

   * <b>Properties:</b>

   * <ul>

   * <li><i>className</i>: name of this class.

   * <li><i>num</i>: number of extents registered.

   * <li><i>numrec</i>: maximum number of extents that can register.

   * <li><i>extents</i>: .

   * </ul>

   * </p>

   */

  public void saveToState(PersistentState state) throws PersistenceException {

    state.set(FIELD_NUM_PREVIOUS, numPrev);

    state.set(FIELD_NUM_NEXT, numNext);

    state.set(FIELD_NUM_RECORDS, NUMREC);

    state.set(FIELD_PREVIOUS_EXTENTS, extentsPrev);

    state.set(FIELD_NEXT_EXTENTS, extentsNext);

    state.set(FIELD_CURRENT_EXTENT, currentExtent);

  }

  public static class RegisterPersistence implements Callable {

    public Object call() {

      PersistenceManager manager = ToolsLocator.getPersistenceManager();

      DynStruct definition = manager.addDefinition(ExtentHistory.class,

          "ExtentHistory", "ExtentHistory Persistence definition", null, null);

      definition.addDynFieldInt(FIELD_NUM_PREVIOUS).setMandatory(true);

      definition.addDynFieldInt(FIELD_NUM_NEXT).setMandatory(true);

      definition.addDynFieldInt(FIELD_NUM_RECORDS).setMandatory(true);

      definition.addDynFieldArray(FIELD_PREVIOUS_EXTENTS).setClassOfItems(Rectangle2D.class)

          .setMandatory(true);

      definition.addDynFieldArray(FIELD_NEXT_EXTENTS)

          .setClassOfItems(Rectangle2D.class).setMandatory(true);

      definition.addDynFieldObject(FIELD_CURRENT_EXTENT)

      .setClassOfValue(Rectangle2D.class).setMandatory(false);

      return Boolean.TRUE;

    }

  }

}

/**

 * gvSIG. Desktop Geographic Information System.

 *

 * Copyright (C) 2007-2013 gvSIG Association.

 *

 * 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 3

 * 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.

 *

 * For any additional information, do not hesitate to contact us

 * at info AT gvsig.com, or visit our website www.gvsig.com.

 */

package org.gvsig.fmap.mapcontext.rendering.strategies;

import java.awt.geom.Rectangle2D;

import java.util.ArrayList;

/**

 * Estructura de datos con la informaci?n relativa a las geometr?as de una

 * fuente de datos necesaria para acelerar el procesado de la capa en memoria.

 *

 * @author Vicente Caballero Navarro

 */

public class MemoryShapeInfo implements ShapeInfo {

	ArrayList infos = new ArrayList();

	/**

	 * @see org.gvsig.fmap.mapcontext.rendering.strategies.ShapeInfo#addShapeInfo(java.awt.geom.Rectangle2D,

	 * 		int)

	 */

	public void addShapeInfo(Rectangle2D boundingBox, int type) {

		infos.add(new Info(boundingBox, type));

	}

	/**

	 * @see org.gvsig.fmap.mapcontext.rendering.strategies.ShapeInfo#addShapeInfo(int,

	 * 		java.awt.geom.Rectangle2D, int)

	 */

	public void setShapeInfo(int index, Rectangle2D boundingBox, int type)

		throws ArrayIndexOutOfBoundsException {

		infos.set(index, new Info(boundingBox, type));

	}

	/**

	 * @see org.gvsig.fmap.mapcontext.rendering.strategies.ShapeInfo#getBoundingBox(int)

	 */

	public Rectangle2D getBoundingBox(int index) {

		return ((Info) infos.get(index)).getRect();

	}

	/**

	 * @see org.gvsig.fmap.mapcontext.rendering.strategies.ShapeInfo#getType(int)

	 */

	public int getType(int index) {

		return ((Info) infos.get(index)).getType();

	}

	/**

	 * Clase con el rect?ngulo y el tipo de shape.

	 *

	 * @author Vicente Caballero Navarro

	 */

	class Info {

		private Rectangle2D rect;

		private int type;

		/**

		 * Crea un nuevo Info.

		 *

		 * @param rect Extent del shape.

		 * @param type Tipo de shape.

		 */

		public Info(Rectangle2D rect, int type) {

			this.rect = rect;

			this.type = type;

		}

		/**

		 * Devuelve el extent del shape.

		 *

		 * @return Extent del shape.

		 */

		public Rectangle2D getRect() {

			return rect;

		}

		/**

		 * Devuelve el tipo de shape.

		 *

		 * @return Tipo de shape.

		 */

		public int getType() {

			return type;

		}

	}

}

/**

 * gvSIG. Desktop Geographic Information System.

 *

 * Copyright (C) 2007-2013 gvSIG Association.

 *

 * 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 3

 * 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.

 *

 * For any additional information, do not hesitate to contact us

 * at info AT gvsig.com, or visit our website www.gvsig.com.

 */

package org.gvsig.fmap.mapcontext.rendering.strategies;

import org.cresques.cts.ICoordTrans;

import org.slf4j.Logger;

import org.slf4j.LoggerFactory;

import org.gvsig.fmap.dal.DataSet;

import org.gvsig.fmap.dal.feature.Feature;

import org.gvsig.fmap.dal.feature.FeatureSelection;

import org.gvsig.fmap.geom.primitive.Envelope;

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

import org.gvsig.fmap.mapcontext.layers.operations.LayersVisitor;

import org.gvsig.fmap.mapcontext.layers.operations.SingleLayer;

import org.gvsig.fmap.mapcontext.layers.vectorial.FLyrVect;

import org.gvsig.tools.dispose.DisposableIterator;

import org.gvsig.tools.exception.BaseException;

import org.gvsig.tools.visitor.NotSupportedOperationException;

/**

 * This visitor accumulates the envelope of the

 * selected geometries

 */

public class SelectedEnvelopeVisitor implements LayersVisitor {

    private static final Logger logger =

        LoggerFactory.getLogger(SelectedEnvelopeVisitor.class);

	private Envelope rectangle = null;

	public Envelope getSelectioEnvelope() {

	    return rectangle;

	}

	public String getProcessDescription() {

		return "Defining rectangle to zoom from selected geometries";

	}

	public void visit(Object obj) throws BaseException {

		if (obj instanceof FLayer) {

			this.visit((FLayer) obj);

		} else {

		    throw new NotSupportedOperationException(this, obj);

		}

	}

	public void visit(FLayer layer) throws BaseException {

		if (!(layer instanceof SingleLayer)) {

			return;

		} else if (!layer.isActive()) {

			return;

        } else if (!(layer instanceof FLyrVect)) {

            return;

        }

		FLyrVect lyr_vect = (FLyrVect) layer;

		BaseException be = null;

		DataSet selection = ((SingleLayer) layer).getDataStore()

				.getSelection();

		if (selection != null && (selection instanceof FeatureSelection)) {

		    long tot_count = lyr_vect.getFeatureStore().getFeatureCount();

		    FeatureSelection fsel = (FeatureSelection) selection;

		    long sel_count = fsel.getSize();

		    if (tot_count == sel_count) {

		        try {

		            /*

		             * If all selected, use layer envelope

		             */

		            rectangle = accum(rectangle, lyr_vect.getFullEnvelope(), null);

		        } catch (CloneNotSupportedException ex) {

                    /*

                     * This should not happen because

                     * envelopes support clone 

                     */

		            logger.debug("Error while adding envelope: " + ex.getMessage(), ex);

		        }

		    } else {

		        /*

		         * We'll use this reprojection if not null

		         * to convert feature envelopes

		         */

		        ICoordTrans ct = lyr_vect.getCoordTrans();

		        DisposableIterator iter = fsel.fastIterator();

		        Feature feat = null;

		        while (iter.hasNext()) {

		            feat = (Feature) iter.next();

		            try {

	                    rectangle = accum(

	                        rectangle, feat.getDefaultEnvelope(), ct);

		            } catch (CloneNotSupportedException ex) {

	                    /*

	                     * This should not happen because

	                     * envelopes support clone 

	                     */

	                    logger.debug("Error while adding envelope: " + ex.getMessage(), ex);

	                    break;

		            }

		        }

		        iter.dispose();

		    }

		}

	}

	/**

	 * Adds add_env envelope to ini_env after reprojecting add_env

	 * if cotr not null

	 * 

	 * @param ini_env

	 * @param add_env

	 * @param cotr

	 * @return

	 */

    private Envelope accum(

        Envelope ini_env,

        Envelope add_env,

        ICoordTrans cotr) throws CloneNotSupportedException {

        if (add_env == null) {

            /*

             * Nothing to add

             */

            return ini_env;

        } else {

            if (cotr == null) {

                /*

                 * No reprojection needed

                 */

                if (ini_env == null) {

                    return add_env;

                } else {

                    Envelope resp = (Envelope) ini_env.clone(); 

                    resp.add(add_env);

                    return resp;

                }

            } else {

                /*

                 * Reproject before adding

                 */

                Envelope add_rep = (Envelope) add_env.convert(cotr).clone();

                if (ini_env == null) {

                    /*

                     * Initial was null

                     */

                    return add_rep;

                } else {

                    Envelope resp = (Envelope) ini_env.clone(); 

                    resp.add(add_rep);

                    return resp;

                }

            }

        }

    }

}

/**

 * gvSIG. Desktop Geographic Information System.

 *

 * Copyright (C) 2007-2013 gvSIG Association.

 *

 * 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 3

 * 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.

 *

 * For any additional information, do not hesitate to contact us

 * at info AT gvsig.com, or visit our website www.gvsig.com.

 */

package org.gvsig.fmap.mapcontext.rendering.strategies;

import java.awt.geom.Rectangle2D;

/**

 * Estructura de datos con la informaci?n relativa a las geometr?as de una

 * fuente de datos necesaria para acelerar el procesado de la capa

 */

public interface ShapeInfo {

	/**

	 * A?ade al final de la estructura de datos la informaci?n de una geometr?a

	 *

	 * @param boundingBox Extent del shape.

	 * @param type Tipo de shape.

	 */

	void addShapeInfo(Rectangle2D boundingBox, int type);

	/**

	 * Establece en la posici?n index-?sima de la estructura de datos la

	 * informaci?n de una geometr?a

	 *

	 * @param index ?ndice.

	 * @param boundingBox Extent del shape.

	 * @param type Tipo de shape.

	 *

	 * @throws ArrayIndexOutOfBoundsException Si se intenta establecer la

	 * 		   informaci?n para una geometr?a que no existe

	 */

	void setShapeInfo(int index, Rectangle2D boundingBox, int type)

		throws ArrayIndexOutOfBoundsException;

	/**

	 * Obtiene el bounding box de la geometr?a index-?sima

	 *

	 * @param index ?ndice de la geometr?a.

	 *

	 * @return Extent de la geometr?a.

	 */

	Rectangle2D getBoundingBox(int index);

	/**

	 * Obtiene el tipo de la geometr?a index-?sima

	 *

	 * @param index ?ndice.

	 *

	 * @return Tipo de geometr?a.

	 */

	int getType(int index);

}

/**

 * gvSIG. Desktop Geographic Information System.

 *

 * Copyright (C) 2007-2013 gvSIG Association.

 *

 * 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 3

 * 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.

 *

 * For any additional information, do not hesitate to contact us

 * at info AT gvsig.com, or visit our website www.gvsig.com.

 */

package org.gvsig.fmap.mapcontext.rendering.strategies;

import org.gvsig.fmap.dal.DataSet;

import org.gvsig.fmap.dal.feature.Feature;

import org.gvsig.fmap.dal.feature.FeatureReference;

import org.gvsig.fmap.geom.primitive.Envelope;

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

import org.gvsig.fmap.mapcontext.layers.operations.LayersVisitor;

import org.gvsig.fmap.mapcontext.layers.operations.SingleLayer;

import org.gvsig.tools.exception.BaseException;

import org.gvsig.tools.visitor.NotSupportedOperationException;

import org.gvsig.tools.visitor.Visitable;

import org.gvsig.tools.visitor.Visitor;

/**

 * Visitor de zoom a lo seleccionado.

 *

 * @author Vicente Caballero Navarro

 */

public class SelectedZoomVisitor implements LayersVisitor, Visitor {

	private Envelope rectangle = null;

	/**

	 * Devuelve el Extent de los shapes seleccionados, y si no hay ning?n shape

	 * seleccionado devuelve null.

	 *

	 * @return Extent de los shapes seleccionados.

	 */

	public Envelope getSelectBound() {

		return rectangle;

	}

	public String getProcessDescription() {

		return "Defining rectangle to zoom from selected geometries";

	}

	public void visit(Feature feature) throws BaseException {

		if (rectangle == null) {

			rectangle = (feature.getDefaultGeometry()).getEnvelope();

		} else {

			rectangle.add((feature.getDefaultGeometry())

					.getEnvelope());

		}

	}

	public void visit(FeatureReference featureRefence) throws BaseException {

		this.visit(featureRefence.getFeature());

	}

	public void visit(Object obj) throws BaseException {

		if (obj instanceof FeatureReference) {

			this.visit((FeatureReference) obj);

			return;

		}

		if (obj instanceof Feature) {

			this.visit((Feature) obj);

			return;

		}

		if (obj instanceof FLayer) {

			this.visit((FLayer) obj);

			return;

		}

		throw new NotSupportedOperationException(this, obj);

	}

	public void visit(FLayer layer) throws BaseException {

		if (!(layer instanceof SingleLayer)) {

			return;

		} else if (!layer.isActive()) {

			return;

		}

		DataSet selection = ((SingleLayer) layer).getDataStore()

				.getSelection();

		if (selection instanceof Visitable) {

			((Visitable) selection).accept(this);

		}

	}

}

/**