Application: gvSIG desktop

/* 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: SimpleLabelStyle.java 11051 2007-04-04 15:41:05Z jaume $

* $Log$

* Revision 1.6  2007-04-04 15:41:05  jaume

* *** empty log message ***

*

* Revision 1.5  2007/04/02 16:34:56  jaume

* Styled labeling (start commiting)

*

* Revision 1.4  2007/04/02 00:10:04  jaume

* *** empty log message ***

*

* Revision 1.3  2007/03/29 16:02:01  jaume

* *** empty log message ***

*

* Revision 1.2  2007/03/09 11:20:56  jaume

* Advanced symbology (start committing)

*

* Revision 1.1.2.2  2007/02/15 16:23:44  jaume

* *** empty log message ***

*

* Revision 1.1.2.1  2007/02/09 07:47:04  jaume

* Isymbol moved

*

*

*/

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

import java.awt.Color;

import java.awt.Dimension;

import java.awt.Graphics2D;

import java.awt.Point;

import java.awt.Rectangle;

import java.awt.geom.AffineTransform;

import java.awt.geom.Point2D;

import java.awt.geom.Rectangle2D;

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

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

import com.iver.utiles.XMLEntity;

/**

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

 */

public class SimpleLabelStyle extends SVGStyle implements ILabelStyle{

        private String text;

        private Point2D markerPoint = new Point2D.Double();

        public int getFieldCount() {

                return 1;

        }

        public void setTextFields(String[] texts) {

                StringBuffer sb = new StringBuffer();

                for (int i = 0; i < texts.length; i++) {

                        sb.append(texts[i]);

                        if (i<texts.length)

                                sb.append(" ");

                }

                this.text = sb.toString();

        }

        public String getTextAt(int i) {

                return text;

        }

        public boolean isSuitableFor(ISymbol symbol) {

                return true;

        }

        public String getClassName() {

                return getClass().getName();

        }

        public XMLEntity getXMLEntity() {

                XMLEntity xml = super.getXMLEntity();

                xml.putProperty("className", getClassName());

                xml.putProperty("desc", getDescription());

                xml.putProperty("text", text);

                return xml;

        }

        public void setXMLEntity(XMLEntity xml) {

                super.setXMLEntity(xml);

                setDescription(xml.getStringProperty("desc"));

                text = xml.getStringProperty("text");

        }

        public Rectangle[] getTextBounds() {

                return new Rectangle[] {new Rectangle(0,0,300,-60)};

        }

        public void drawInsideRectangle(Graphics2D g, Rectangle r) {

                g.translate(r.getX(), r.getY());

                super.drawInsideRectangle(g, r);

                g.translate(-r.getX(), -r.getY());

        }

        public Rectangle getBounds() {

                return super.getBounds();

        }

        public Point2D getMarkerPoint() {

                return markerPoint;

        }

        public void setMarkerPoint(Point2D p) throws IllegalArgumentException {

                if (p.getX()<0 || p.getX()>1)

                        throw new IllegalArgumentException("X must be >=0 and <=1 ("+p.getX()+")");

                if (p.getY()<0 || p.getY()>1)

                        throw new IllegalArgumentException("Y must be >=0 and <=1 ("+p.getY()+")");

                // the marker represents the point labeled in relative percent units

                this.markerPoint = p;

        }

        public void drawOutline(Graphics2D g, Rectangle r) {

                super.drawOutline(g, r);

                Rectangle labelSz = getBounds();

                double ratioLabel = labelSz.getWidth()/labelSz.getHeight();

                double ratioViewPort = r.getWidth() / r.getWidth();

                int x;

                int y;

                if (ratioViewPort > ratioLabel) {

                        // size is defined by the viewport height

                        y = (int) (r.height*markerPoint.getY());

                        x = (int) ((0.5*r.width) - (0.5-markerPoint.getX())*(ratioLabel*r.height));

                } else {

                        // size is defined by the viewport width

                        x = (int) (r.width * markerPoint.getX());

                        y = (int) ((0.5 * r.height) - (0.5-markerPoint.getY())*(r.width/ratioLabel));

                }

                y = r.height - y;

                int size = 3;

                g.setColor(Color.RED);

                g.fillOval(x, y, size, size);

                g.drawString(Messages.getString("labeled_point"), x + size + 5, y);

        }

        public Dimension getPreferredSize() {

                return new Dimension(getBounds().width, getBounds().height);

        }

}