| gvSIG desktop 1

import com.iver.cit.gvsig.fmap.core.symbols.ISymbol;

import com.iver.cit.gvsig.fmap.core.symbols.ISymbol;

import com.iver.cit.gvsig.fmap.core.symbols.ISymbol;

import com.iver.cit.gvsig.fmap.core.symbols.ISymbol;

import com.iver.cit.gvsig.fmap.core.symbols.ISymbol;

import com.iver.cit.gvsig.fmap.core.symbols.ISymbol;

import com.iver.cit.gvsig.fmap.core.symbols.ISymbol;

import com.iver.cit.gvsig.fmap.core.symbols.ISymbol;

import com.iver.cit.gvsig.fmap.core.symbols.ISymbol;

import com.iver.cit.gvsig.fmap.core.symbols.ISymbol;

import com.iver.cit.gvsig.fmap.core.symbols.ISymbol;

import com.iver.cit.gvsig.fmap.core.symbols.ISymbol;

import com.iver.cit.gvsig.fmap.core.symbols.ISymbol;

/*

 * Created on 25-oct-2006 by azabala

 *

 */

package com.iver.cit.gvsig.fmap.core.v02;

import java.awt.BasicStroke;

import java.awt.Color;

import java.awt.Graphics2D;

import java.awt.Rectangle;

import java.awt.Shape;

import java.awt.Stroke;

import java.awt.geom.AffineTransform;

import java.awt.geom.PathIterator;

import java.awt.image.BufferedImage;

import java.util.ArrayList;

import javax.print.attribute.PrintRequestAttributeSet;

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

import com.iver.cit.gvsig.fmap.core.FPolygon2D;

import com.iver.cit.gvsig.fmap.core.FPolyline2D;

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

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

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

import com.iver.cit.gvsig.fmap.core.symbols.ISymbol;

import com.iver.utiles.StringUtilities;

import com.iver.utiles.XMLEntity;

/**

 * Symbol to draw a line with an arrow at the end.

 * @author alzabord

 */

public class FArrowSymbol implements ISymbol {

	protected static Color selectionColor = Color.YELLOW;

	protected static BufferedImage img = new BufferedImage(1, 1,

			BufferedImage.TYPE_INT_ARGB);

	protected static Rectangle rect = new Rectangle(0, 0, 1, 1);

	protected Color symColor;

	protected Stroke m_Stroke;

	protected int m_symbolType = FConstant.SYMBOL_TYPE_LINE;

	protected String m_Descrip;

	protected int rgb;

	protected boolean m_bDrawShape = true;

	protected int lenghtArrow = 15;

	protected int widthArrow = 10;

	public FArrowSymbol(Color symColor){

		this.symColor = symColor;

		calculateRgb();

	}

	public void calculateRgb() {

		// Recalculamos el RGB

		Graphics2D g2 = img.createGraphics();

		drawInsideRectangle(g2, g2.getTransform(), rect);

		rgb = img.getRGB(0, 0);

	}

	/**

	 * Devuelve el color que se aplica a los shapes seleccionados.

	 *

	 * @return DOCUMENT ME!

	 */

	public static Color getSelectionColor() {

		return selectionColor;

	}

	public Color getColor(){

		return symColor;

	}

	public Stroke getStroke(){

		return m_Stroke;

	}

	public void setStroke(Stroke stroke){

		this.m_Stroke = stroke;

	}

	/* (non-Javadoc)

	 * @see com.iver.cit.gvsig.fmap.core.ISymbol#getSymbolForSelection()

	 */

	public ISymbol getSymbolForSelection() {

		FArrowSymbol solution = new FArrowSymbol(selectionColor);

		solution.m_bDrawShape = m_bDrawShape;

		solution.m_Stroke = m_Stroke;

		return solution;

	}

	public void draw(Graphics2D g, AffineTransform affineTransform, FShape shp) {

		//1? dibujamos la linea

		if (shp == null || (! isShapeVisible())) {

			return;

		}

        g.setColor(getColor());

		if (getStroke() != null) {

			g.setStroke(getStroke());

		}

		g.draw(shp);

		/*

		 * Ahora intentamos obtener el ultimo segmento

		 * */

		PathIterator theIterator;

		theIterator = shp.getPathIterator(null, 0.8);

		int theType;

		double[] theData = new double[2];

		ArrayList arrayCoords = new ArrayList();

		while (!theIterator.isDone()) {

			theType = theIterator.currentSegment(theData);

		    if(theType == PathIterator.SEG_LINETO || theType == PathIterator.SEG_MOVETO)

		    	arrayCoords.add(theData);

		    theData = new double[2];

			theIterator.next();

		} //end while loop

		double length = 0d;

		double[] previous = null;

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

			double[] coords = (double[]) arrayCoords.get(i);

			if(previous == null)

				previous = coords;

			else{

				double dx = coords[0] - previous[0];

				double dy = coords[1] - previous[1];

				double dist = Math.sqrt( ( dx * dx ) + (dy * dy));

				length += dist;

			}//else

		}//for

		if(lenghtArrow > (0.5 * length))//to avoid arrows collisions

			return;

		double[] last = (double[]) arrayCoords.get(arrayCoords.size() -1);

		double[] prevLast = (double[]) arrayCoords.get(arrayCoords.size() -2);

		double mx = last[0];

		double my = last[1];

		double Mx = prevLast[0];

		double My = prevLast[1];

//

		// tama?o de la flecha

		double tipLength = lenghtArrow;

		double tipWidth = widthArrow;

		double	tip1x = mx + (((Mx - mx) * tipLength + ( tipWidth / 2)*(my - My))/

						Math.sqrt(( my - My) * (my - My)+(mx-Mx)*(mx-Mx)));

		double  tip2x = mx + (((Mx-mx) * tipLength-(tipWidth/2)*(my-My))/

						Math.sqrt((my-My)*(my-My)+(mx-Mx)*(mx-Mx)));

		double  tip1y = my + (((My-my)*tipLength-(tipWidth/2)*(mx-Mx))/

				 		Math.sqrt((my-My)*(my-My)+(mx-Mx)*(mx-Mx)));

		double tip2y = my + (((My-my)*tipLength+(tipWidth/2)*(mx-Mx))/

			            Math.sqrt((my-My)*(my-My)+(mx-Mx)*(mx-Mx)));

		GeneralPathX path = new GeneralPathX();

		path.moveTo(mx, my);

		path.lineTo(tip1x, tip1y);

		path.lineTo(tip2x, tip2y);

		path.closePath();

		FPolygon2D arrow = new FPolygon2D(path);

		g.fill(arrow);

	}

	public int getPixExtentPlus(Graphics2D g, AffineTransform affineTransform, Shape shp) {

		// TODO Auto-generated method stub

		return 0;

	}

	public int getOnePointRgb() {

		return rgb;

	}

	public XMLEntity getXMLEntity() {

		XMLEntity xml = new XMLEntity();

		xml.putProperty("className",this.getClass().getName());

		xml.putProperty("m_symbolType", getSymbolType());

		if (getColor() != null) {

			xml.putProperty("m_Color", StringUtilities.color2String(getColor()));

		}

		xml.putProperty("m_bDrawShape", isShapeVisible());

		//Ancho del stroke en float

		if (getStroke() != null) {

			xml.putProperty("m_stroke",

				((BasicStroke) getStroke()).getLineWidth());

		} else {

			xml.putProperty("m_stroke", 0f);

		}

		xml.putProperty("rgb", rgb);

		return xml;

	}

	public String getDescription() {

		return null;

	}

	public boolean isShapeVisible() {

		return m_bDrawShape;

	}

	public void setDescription(String m_Descrip) {

		this.m_Descrip = m_Descrip;

	}

	public int getSymbolType() {

		return m_symbolType;

	}

	public boolean isSuitableFor(IGeometry geom) {

		return true;

	}

	//TODO Copypasteado de graphics utilities para symboltype LINE

	public void drawInsideRectangle(Graphics2D g,

			AffineTransform scaleInstance,

			Rectangle r) {

		FShape shp;

		AffineTransform mT = new AffineTransform();

		mT.setToIdentity();

		Rectangle rect = mT.createTransformedShape(r).getBounds();

		GeneralPathX line = new GeneralPathX();

		line.moveTo(rect.x, rect.y + (rect.height / 2));

		line.curveTo(rect.x + (rect.width / 3),

			rect.y + (2 * rect.height),

			rect.x + ((2 * rect.width) / 3), rect.y - rect.height,

			rect.x + rect.width, rect.y + (rect.height / 2));

		shp = new FPolyline2D(line);

		draw(g, mT, shp);

	}

	public void setXMLEntity(XMLEntity xml) {

	}

	public String getClassName() {

		// TODO Auto-generated method stub

		return null;

	}

	/**

	 * @return Returns the m_bDrawShape.

	 */

	public boolean isM_bDrawShape() {

		return m_bDrawShape;

	}

	/**

	 * @param drawShape The m_bDrawShape to set.

	 */

	public void setM_bDrawShape(boolean drawShape) {

		m_bDrawShape = drawShape;

	}

	public void setPrintingProperties(PrintRequestAttributeSet printProperties) {

		// TODO Auto-generated method stub

	}

	public void print(Graphics2D g, AffineTransform at, FShape shape) throws DriverException {

		// TODO Implement it

		throw new Error("Not yet implemented!");

	}

}

import com.iver.cit.gvsig.fmap.core.symbols.ISymbol;

import com.iver.cit.gvsig.fmap.core.symbols.ISymbol;

import com.iver.cit.gvsig.fmap.core.symbols.ISymbol;

import com.iver.cit.gvsig.fmap.core.symbols.ISymbol;

import com.iver.cit.gvsig.fmap.core.symbols.ISymbol;

import com.iver.cit.gvsig.fmap.core.symbols.ISymbol;

* Revision 1.2  2007-01-10 16:39:41  jaume

* ISymbol now belongs to com.iver.cit.gvsig.fmap.core.symbols package

*

* Revision 1.1  2007/01/10 16:31:36  jaume

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

	public void print(Graphics2D g, AffineTransform at, FShape shape) throws DriverException {

		// TODO Implement it

		throw new Error("Not yet implemented!");

	}

* Revision 1.2  2007-01-10 16:39:41  jaume

* ISymbol now belongs to com.iver.cit.gvsig.fmap.core.symbols package

*

* Revision 1.1  2007/01/10 16:31:36  jaume

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

	public void print(Graphics2D g, AffineTransform at, FShape shape) throws DriverException {

		// TODO Implement it

		throw new Error("Not yet implemented!");

	}

 * Revision 1.2  2007-01-10 16:39:41  jaume

 * ISymbol now belongs to com.iver.cit.gvsig.fmap.core.symbols package

 *

 * Revision 1.1  2007/01/10 16:31:36  jaume

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

	public void print(Graphics2D g, AffineTransform at, FShape shape) throws DriverException {

		// TODO Implement it

		throw new Error("Not yet implemented!");

	}

* Revision 1.2  2007-01-10 16:39:41  jaume

* ISymbol now belongs to com.iver.cit.gvsig.fmap.core.symbols package

*

* Revision 1.1  2007/01/10 16:31:36  jaume

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

	public void print(Graphics2D g, AffineTransform at, FShape shape) throws DriverException {

		// TODO Implement it

		throw new Error("Not yet implemented!");

	}

* Revision 1.2  2007-01-10 16:39:41  jaume

* ISymbol now belongs to com.iver.cit.gvsig.fmap.core.symbols package

*

* Revision 1.1  2007/01/10 16:31:36  jaume

	public void print(Graphics2D g, AffineTransform at, FShape shape) throws com.iver.cit.gvsig.fmap.DriverException {

		// TODO Implement it

		throw new Error("Not yet implemented!");

	}

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

 *

 * Copyright (C) 2004 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.

 *

 * For more information, contact:

 *

 *  Generalitat Valenciana

 *   Conselleria d'Infraestructures i Transport

 *   Av. Blasco Ib??ez, 50

 *   46010 VALENCIA

 *   SPAIN

 *

 *      +34 963862235

 *   gvsig@gva.es

 *      www.gvsig.gva.es

 *

 *    or

 *

 *   IVER T.I. S.A

 *   Salamanca 50

 *   46005 Valencia

 *   Spain

 *

 *   +34 963163400

 *   dac@iver.es

 */

package com.iver.cit.gvsig.fmap.core.symbols;

import java.awt.Graphics2D;

import java.awt.Rectangle;

import java.awt.Shape;

import java.awt.geom.AffineTransform;

import javax.print.attribute.PrintRequestAttributeSet;

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

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

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

import com.iver.utiles.IPersistance;

import com.iver.utiles.XMLEntity;

public interface ISymbol extends IPersistance, IPrintable{

	public final static int CHARACTER_MARKER = 1;

	public final static int SIMPLE_FILL = 2;

	public static final int MARKER_FILL = 3;

	/**

	 * Returns the derived version of the symbol that will be used to draw the

	 * feature when it is selected.

	 * @return <b>ISymbol</b> applied to a feature when it has been selected.

	 */

	ISymbol getSymbolForSelection();

	void draw(Graphics2D g, AffineTransform affineTransform, FShape shp);

	// In the future, we may need something like that, but now if

	// I put it, we should change the rendering process, and it will

	// be slowly.

	// El problema es que antes de renderizar algo, tenemos que calcular

	// c?mo va a quedar en pantalla, para saber su bounding box real y si

	// hay que dibujarlo o no. Pasa con los textos, pero en general

	// con cualquier s?mbolo de tipo puntual, tambi?n. En menor medida con

	// l?neas y pol?gonos.

	//

	// IDEA!!!:

	// Para no depender de leer un shape y pedirle al s?mbolo que toca

	// el bounding box para ver si hay que dibujarlo, se puede hacer una

	// pasada previa por la leyenda y ver los pixels que a?ade al bounding

	// box. (Se coge un punto, una l?nea o un pol?gono, y se calcula

	// su bounding box para esa escala. Si es mayor que el original del

	// shape, se calculan los pixels. Luego se pasan esos pixels a

	// coordenadas de mundo real, y se le suman al visibleExtent para que

	// se dibujen los trozos de texto que no se pintan, etc, etc.

	int getPixExtentPlus(Graphics2D g, AffineTransform affineTransform, Shape shp);

	/**

	 * Devuelve el rgb del s?mbolo cuando se dibuja como un punto.

	 *

	 * @return rgb del s?mbolo.

	 */

	public int getOnePointRgb();

	/**

	 * Use it to specify how do you want to write the symbol in .gvp project

	 * @return

	 */

	XMLEntity getXMLEntity();

	/**

	 * The description is a human-readable text used to label it when show in a

	 * symbol menu or something like that.

	 *

	 * @return description of this symbol.

	 */

	String getDescription();

	/**

	 * Tells whether the shape of the symbol will be drawn or not.

	 *

	 * @return <b>true</b> if Shape must be drawn. Useful if you are labelling

	 */

	boolean isShapeVisible();

	/**

	 * Sets the description of this symbol

	 * @param desc, a string with the description

	 * @see ISymbol.getDescription();

	 */

	void setDescription(String desc);

	/**

	 * The use of this method -and its mechanism- is being valorated. It probably

	 * will be <b>deprecated</b>.

	 * @return FSymbol constants. I think it is better to use isSuitableFor

	 *

	 */

	int getSymbolType();

	/**

	 * True if this symbol is ok for the geometry. For example, a FillSymbol will

	 * be suitable for a Polygon.

	 * @param geom

	 * @return

	 */

	boolean isSuitableFor(IGeometry geom);

	/**

	 * Useful to render the symbol inside the TOC, or inside little

	 * rectangles. For example, think about rendering a Label with size

	 * in meters => You will need to specify a size in pixels.

	 * Of course, you can also to choose to render a prepared image, etc.

	 * @param g2

	 * @param scaleInstance

	 * @param r

	 */

	void drawInsideRectangle(Graphics2D g, AffineTransform scaleInstance, Rectangle r);

	/**

	 *

	 * @param printProperties

	 */

	void setPrintingProperties(PrintRequestAttributeSet printProperties);

}

* Revision 1.2  2007-01-10 16:39:41  jaume

* ISymbol now belongs to com.iver.cit.gvsig.fmap.core.symbols package

*

* Revision 1.1  2007/01/10 16:31:36  jaume

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

	public void print(Graphics2D g, AffineTransform at, FShape shape) throws DriverException {

		// TODO Implement it

		throw new Error("Not yet implemented!");

	}

/* 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.

 *

 * For more information, contact:

 *

 *  Generalitat Valenciana

 *   Conselleria d'Infraestructures i Transport

 *   Av. Blasco Ib??ez, 50

 *   46010 VALENCIA

 *   SPAIN

 *

 *      +34 963862235

 *   gvsig@gva.es

 *      www.gvsig.gva.es

 *

 *    or

 *

 *   IVER T.I. S.A

 *   Salamanca 50

 *   46005 Valencia

 *   Spain

 *

 *   +34 963163400

 *   dac@iver.es

 */

/* CVS MESSAGES:

*

* $Id$

* $Log$

* Revision 1.1  2007-01-10 16:39:41  jaume

* ISymbol now belongs to com.iver.cit.gvsig.fmap.core.symbols package

*

* Revision 1.3  2006/11/06 16:06:52  jaume

* *** empty log message ***

*

* Revision 1.2  2006/11/06 07:33:54  jaume

* javadoc, source style

*

* Revision 1.1  2006/10/30 19:30:35  jaume

* *** empty log message ***

*

*

*/

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

import org.apache.log4j.Logger;

import com.iver.cit.gvsig.fmap.core.symbols.ISymbol;

import com.iver.utiles.NotExistInXMLEntity;

import com.iver.utiles.XMLEntity;

/**

 * Factory for obtaining ISymbols of any kind from several sources like.

 * <ol>

 * 	<li>

 * 		<b>XMLEntity's</b> that, at least, contains a full class name

 * 			string property that defines which class handles such symbol.

 *  </li>

 * </ol>

 *

 * @author jaume dominguez faus - jaume.dominguez@iver.es

 */

public class SymbolFactory {

	private static Logger logger = Logger.getLogger(SymbolFactory.class.getName());

	/**

	 * Factory that allows to create ISymbol from an ISymbol xml

	 * descriptor. A barely specific XMLEntity object. The string passed in the

	 * second argument is the description text that will be used in case no description

	 * is supplied by the symbol

	 */

	public static ISymbol createFromXML(XMLEntity xml, String defaultDescription) {

		String className = null;

		try {

			className = xml.getStringProperty("className");

		} catch (NotExistInXMLEntity e) {

			logger.error("Symbol class name not set.\n" +

						" Maybe you forgot to add the" +

						" putProperty(\"className\", yourClassName)" +

						" call in the getXMLEntity method of your symbol", e);

		}

		if (!xml.contains("desc"))

			xml.putProperty("desc", defaultDescription);

		Class clazz = null;

		ISymbol sym = null;

		try {

			clazz = Class.forName(className);

			sym = (ISymbol) clazz.newInstance();

			sym.setXMLEntity(xml);

		} catch (InstantiationException e) {

			logger.error("Trying to instantiate an interface" +

						" or abstract class + "+className, e);

		} catch (IllegalAccessException e) {

			logger.error(null, e);

		} catch (ClassNotFoundException e) {

			logger.error("No class called " + className +

					" was found.\nCheck the following.\n<br>" +

					"\t- The fullname of the class you're looking " +

						"for matches the value in the className " +

						"property of the XMLEntity ("+className+").\n<br>" +

					"\t- The jar file containing your symbol class is in" +

						"the application classpath<br>", e);

		}

		return sym;

	}

}

import com.iver.cit.gvsig.fmap.core.symbols.ISymbol;

import com.iver.cit.gvsig.fmap.core.symbols.ISymbol;

import com.iver.cit.gvsig.fmap.core.symbols.ISymbol;

import com.iver.cit.gvsig.fmap.core.symbols.ISymbol;

import com.iver.cit.gvsig.fmap.core.symbols.ISymbol;

import com.iver.cit.gvsig.fmap.core.symbols.ISymbol;

import com.iver.cit.gvsig.fmap.core.symbols.ISymbol;

import com.iver.cit.gvsig.fmap.core.symbols.ISymbol;

import com.iver.cit.gvsig.fmap.core.symbols.ISymbol;

/* 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.

 *

 * For more information, contact:

 *

 *  Generalitat Valenciana

 *   Conselleria d'Infraestructures i Transport

 *   Av. Blasco Ib??ez, 50

 *   46010 VALENCIA

 *   SPAIN

 *

 *      +34 963862235

 *   gvsig@gva.es

 *      www.gvsig.gva.es

 *

 *    or

 *

 *   IVER T.I. S.A

 *   Salamanca 50

 *   46005 Valencia

 *   Spain

 *

 *   +34 963163400

 *   dac@iver.es

 */

/* CVS MESSAGES:

*

* $Id$

* $Log$

* Revision 1.1  2007-01-10 16:39:41  jaume

* ISymbol now belongs to com.iver.cit.gvsig.fmap.core.symbols package

*

* Revision 1.2  2006/11/17 12:49:58  jaume

* *** empty log message ***

*

* Revision 1.1  2006/11/14 12:30:26  jaume

* *** empty log message ***

*

*

*/

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

import java.awt.Color;

import com.hardcode.gdbms.engine.values.NumericValue;

import com.hardcode.gdbms.engine.values.Value;

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

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

import com.iver.cit.gvsig.fmap.core.symbols.DotDensityFillSymbol;

import com.iver.cit.gvsig.fmap.core.symbols.ISymbol;

import com.iver.cit.gvsig.fmap.core.symbols.SimpleFillSymbol;

import com.iver.utiles.StringUtilities;

import com.iver.utiles.XMLEntity;

public class DotDensityLegend extends VectorialUniqueValueLegend {

    private double dotValue;

    public ISymbol getSymbolByValue(Value key) {

    	DotDensityFillSymbol sym = (DotDensityFillSymbol) getDefaultSymbol();

        sym.setDotCount((int) (((NumericValue) key).doubleValue()/dotValue));

        return sym;

    }

    public ISymbol getSymbolByFeature(IFeature feat) {

        return getSymbolByValue(feat.getAttribute(fieldId));

    }

    public void setDotValue(double dotValue) {

        this.dotValue = dotValue;

    }

    public XMLEntity getXMLEntity() {

        XMLEntity xml = new XMLEntity();

        xml.putProperty("className", getClass().getName());

        xml.putProperty("dotValue", dotValue);

        xml.putProperty("fieldName", getFieldName());

        xml.addChild(getDefaultSymbol().getXMLEntity());

        return xml;

    }

    public void setXMLEntity(XMLEntity xml) {

        dotValue = xml.getDoubleProperty("dotValue");

        setFieldName(xml.getStringProperty("fieldName"));

        setDefaultSymbol(SymbolFactory.createFromXML(xml.getChild(0), null));

    }

    public Color getOutlineColor() {

    	try {

            XMLEntity xml = getDefaultSymbol().getXMLEntity();

        	return StringUtilities.string2Color(xml.getStringProperty("outline"));

        } catch (NullPointerException npE) {

        	return null;

        }

    }

    public Color getDotColor() {

    	try {

            XMLEntity xml = getDefaultSymbol().getXMLEntity().getChild(0);

        	return StringUtilities.string2Color(xml.getStringProperty("color"));

        } catch (NullPointerException npE) {

        	return null;

        }

    }

    public Color getBGColor() {

    	try {

            XMLEntity xml = getDefaultSymbol().getXMLEntity();

        	return StringUtilities.string2Color(xml.getStringProperty("color"));

        } catch (NullPointerException npE) {

        	return null;

        }