Application: gvSIG desktop

/*

 * Created on 22-jun-2004

 *

 */

/* 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.gui.layout.fframes;

import com.iver.andami.PluginServices;

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

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.adapter.CircleAdapter;

import com.iver.cit.gvsig.fmap.core.adapter.GeometryAdapter;

import com.iver.cit.gvsig.fmap.core.adapter.PointAdapter;

import com.iver.cit.gvsig.fmap.core.adapter.PolyLineAdapter;

import com.iver.cit.gvsig.fmap.core.adapter.PolygonAdapter;

import com.iver.cit.gvsig.fmap.core.adapter.RectangleAdapter;

import com.iver.cit.gvsig.fmap.core.v02.FConstant;

import com.iver.cit.gvsig.fmap.core.v02.FGraphicUtilities;

import com.iver.cit.gvsig.fmap.core.v02.FSymbol;

import com.iver.cit.gvsig.gui.layout.FLayoutUtilities;

import com.iver.cit.gvsig.gui.layout.Layout;

import com.iver.cit.gvsig.gui.project.SaveException;

import com.iver.utiles.XMLEntity;

import java.awt.Color;

import java.awt.Graphics2D;

import java.awt.geom.AffineTransform;

import java.awt.geom.Point2D;

import java.awt.geom.Rectangle2D;

import java.awt.image.BufferedImage;

import java.util.BitSet;

/**

 * FFrame para contener un gr?fico.

 *

 * @author Vicente Caballero Navarro

 */

public class FFrameGraphics extends FFrame implements IFFrameEditable {

    private static double TOL = 0.1;

    private int m_type = FConstant.SHAPE_TYPE_POINT;

    private FSymbol m_symbol = null;

    private Color m_color = null;

    private AffineTransform mT = null;

    private GeometryAdapter geometry;

    private GeometryAdapter geometryEdit;

    private boolean editing = false;

    private double size = 0.5;

    private BitSet index = new BitSet();

    /**

     * Crea un nuevo FFrameGraphics.

     */

    public FFrameGraphics() {

        mT = new AffineTransform();

        mT.setToIdentity();

    }

    /**

     * DOCUMENT ME!

     *

     * @param geom DOCUMENT ME!

     */

    public void setGeometryAdapter(GeometryAdapter geom) {

        geometry = geom;

    }

    /**

     * Rellena el color que se utlizar? para dibujar el s?mbolo.

     *

     * @param color

     */

    public void setColor(Color color) {

        m_color = color;

    }

    /**

     * Actualiza el Fsymbol a partir del tipo de Gr?fico que se pase como

     * par?metro.

     *

     * @param type tipo de gr?fico.

     * @param at Transformada.

     */

    public void update(int type, AffineTransform at) {

        m_type = type;

        //aT = at;

        if (m_color == null) {

            m_color = Color.red;

        }

        switch (m_type) {

            case (Layout.POINT):

                m_symbol = new FSymbol(FConstant.SHAPE_TYPE_POINT, m_color);

                m_symbol.setSize((int) FLayoutUtilities.fromSheetDistance(

                        size, at));

                break;

            case (Layout.RECTANGLESIMPLE):

                m_symbol = new FSymbol(FConstant.SYMBOL_TYPE_FILL, m_color);

                m_symbol.setColor(null);

                break;

            case (Layout.LINE):

                m_symbol = new FSymbol(FConstant.SYMBOL_TYPE_LINE, m_color);

                break;

            case (Layout.POLYLINE):

                m_symbol = new FSymbol(FConstant.SYMBOL_TYPE_LINE, m_color);

                break;

            case (Layout.POLYGON):

                m_symbol = new FSymbol(FConstant.SYMBOL_TYPE_FILL, m_color);

                m_symbol.setStyle(FConstant.SYMBOL_STYLE_FILL_SOLID);

                m_symbol.setOutlined(true);

                m_symbol.setOutlineColor(Color.red);

                m_symbol.setColor(null);

                break;

            case (Layout.CIRCLE):

                m_symbol = new FSymbol(FConstant.SYMBOL_TYPE_FILL, m_color);

                m_symbol.setStyle(FConstant.SYMBOL_STYLE_FILL_SOLID);

                m_symbol.setOutlined(true);

                m_symbol.setOutlineColor(Color.red);

                m_symbol.setColor(null);

                break;

        }

    }

    /**

     * Devuelve el FSymbol que se representa.

     *

     * @return DOCUMENT ME!

     */

    public FSymbol getFSymbol() {

        return m_symbol;

    }

    /**

     * Rellena el FSymbol que se representara al dibujar.

     *

     * @param symbol

     */

    public void setFSymbol(FSymbol symbol) {

        m_symbol = symbol;

    }

    /**

     * M?todo que dibuja sobre el graphics que se le pasa como par?metro, seg?n

     * la transformada afin que se debe de aplicar y el rect?ngulo que se debe

     * de dibujar.

     *

     * @param g Graphics

     * @param at Transformada afin.

     * @param rv rect?ngulo sobre el que hacer un clip.

     * @param imgBase DOCUMENT ME!

     */

    public void draw(Graphics2D g, AffineTransform at, Rectangle2D rv,

        BufferedImage imgBase) {

        Rectangle2D.Double rect = getBoundingBox(at);

        g.rotate(Math.toRadians(getRotation()), rect.x + (rect.width / 2),

            rect.y + (rect.height / 2));

        if (intersects(rv, rect)) {

            g.setColor(Color.black);

            if (m_type == Layout.POINT) {

                m_symbol.setSize((int) (rect.getWidth() * 0.7));

            }

            geometry.draw(g, at, m_symbol);

            if (editing) {

                geometry.drawVertex(g, at);

            }

        }

        g.rotate(Math.toRadians(-getRotation()), rect.x + (rect.width / 2),

            rect.y + (rect.height / 2));

    }

    /**

     * @see com.iver.cit.gvsig.gui.layout.fframes.IFFrame#getXMLEntity()

     */

    public XMLEntity getXMLEntity() throws SaveException {

        XMLEntity xml = super.getXMLEntity();

        try {

            xml.putProperty("type", Layout.GRAPHICS);

            xml.putProperty("m_type", m_type);

            xml.addChild(m_symbol.getXMLEntity());

            xml.addChild(geometry.getXMLEntity());

        } catch (Exception e) {

            throw new SaveException(e, this.getClass().getName());

        }

        return xml;

    }

    /**

     * @see com.iver.cit.gvsig.gui.layout.fframes.IFFrame#updateNum()

     */

    public void updateNum() {

    }

    /**

     * @see com.iver.cit.gvsig.gui.layout.fframes.IFFrame#getNum()

     */

    public int getNum() {

        return 0;

    }

    /**

     * @see com.iver.cit.gvsig.gui.layout.fframes.IFFrame#setXMLEntity(com.iver.utiles.XMLEntity,

     *      com.iver.cit.gvsig.project.Project)

     */

    public void setXMLEntity(XMLEntity xml) {

        m_Selected = xml.getIntProperty("m_Selected");

        m_type = xml.getIntProperty("m_type");

        setRotation(xml.getDoubleProperty("m_rotation"));

        m_symbol = FSymbol.createFromXML(xml.getChild(0));

        if (xml.getChild(1) == null) {

            Rectangle2D r = (Rectangle2D) getBoundBox().clone();

            if (m_type == Layout.LINE) {

                geometry = new PolyLineAdapter();

            } else if (m_type == Layout.RECTANGLESIMPLE) {

                geometry = new RectangleAdapter();

                geometry.addPoint(new Point2D.Double(r.getX(), r.getY()));

                geometry.addPoint(new Point2D.Double(r.getMaxX(), r.getMaxY()));

            } else if (m_type == Layout.POLYLINE) {

                geometry = new PolyLineAdapter();

            } else if (m_type == Layout.POLYGON) {

                geometry = new PolygonAdapter();

            } else if (m_type == Layout.CIRCLE) {

                geometry = new CircleAdapter();

                geometry.addPoint(new Point2D.Double(r.getCenterX(),

                        r.getCenterY()));

                if (r.getWidth() < r.getHeight()) {

                    geometry.addPoint(new Point2D.Double(r.getMaxX(),

                            r.getCenterY()));

                } else {

                    geometry.addPoint(new Point2D.Double(r.getCenterX(),

                            r.getY()));

                }

            } else if (m_type == Layout.POINT) {

                geometry = new PointAdapter();

                geometry.addPoint(new Point2D.Double(r.getCenterX(),

                        r.getCenterY()));

            }

            geometry.end();

        } else {

            geometry = GeometryAdapter.createFromXML(xml.getChild(1));

        }

    }

    /**

     * @see com.iver.cit.gvsig.gui.layout.fframes.IFFrame#setXMLEntity(com.iver.utiles.XMLEntity,

     *      com.iver.cit.gvsig.project.Project)

     */

    public void setXMLEntity03(XMLEntity xml, Layout p) {

        m_Selected = xml.getIntProperty("m_Selected");

        m_type = xml.getIntProperty("m_type");

        m_symbol = FSymbol.createFromXML03(xml.getChild(0));

        Rectangle2D r = (Rectangle2D) getBoundBox().clone();

        if (m_type == Layout.LINE) {

            geometry = new PolyLineAdapter();

        } else if (m_type == Layout.RECTANGLESIMPLE) {

            geometry = new RectangleAdapter();

            geometry.addPoint(new Point2D.Double(r.getX(), r.getY()));

            geometry.addPoint(new Point2D.Double(r.getMaxX(), r.getMaxY()));

        } else if (m_type == Layout.POLYLINE) {

            geometry = new PolyLineAdapter();

        } else if (m_type == Layout.POLYGON) {

            geometry = new PolygonAdapter();

        } else if (m_type == Layout.CIRCLE) {

            geometry = new CircleAdapter();

            geometry.addPoint(new Point2D.Double(r.getCenterX(), r.getCenterY()));

            if (r.getWidth() < r.getHeight()) {

                geometry.addPoint(new Point2D.Double(r.getMaxX(), r.getCenterY()));

            } else {

                geometry.addPoint(new Point2D.Double(r.getCenterX(), r.getY()));

            }

        } else if (m_type == Layout.POINT) {

            geometry = new PointAdapter();

            geometry.addPoint(new Point2D.Double(r.getCenterX(), r.getCenterY()));

        }

        geometry.end();

    }

    /**

     * @see com.iver.cit.gvsig.gui.layout.fframes.IFFrame#getNameFFrame()

     */

    public String getNameFFrame() {

        return PluginServices.getText(this, "Gr?ficos") + num;

    }

    /**

     * @see com.iver.cit.gvsig.gui.layout.fframes.IFFrame#print(java.awt.Graphics2D,

     *      java.awt.geom.AffineTransform)

     */

    public void print(Graphics2D g, AffineTransform at)

        throws DriverException {

        draw(g, at, null, null);

    }

    /**

     * Inserta el tama?o del punto.

     *

     * @param size entero que representa el tama?o del punto.

     */

    public void setSize(double size) {

        this.size = size;

        Rectangle2D r = geometry.getShape().getBounds2D();

        super.setBoundBox(new Rectangle2D.Double(r.getX() - size,

                r.getY() - size, size * 2, size * 2));

    }

    /**

     * Devuelve el tipo de gr?fico que contiene el fframe.

     *

     * @return tipo de

     */

    public int getType() {

        return m_type;

    }

    /**

     * DOCUMENT ME!

     *

     * @param r DOCUMENT ME!

     */

    public void setBoundBox(Rectangle2D r) {

        AffineTransform aT = new AffineTransform();

        if (getBoundBox().getWidth() != 0) {

            double w = r.getWidth() / getBoundBox().getWidth();

            double h = r.getHeight() / getBoundBox().getHeight();

            AffineTransform trans2 = AffineTransform.getTranslateInstance(r.getX(),

                    r.getY());

            aT.concatenate(trans2);

            AffineTransform scale1 = AffineTransform.getScaleInstance(w, h);

            aT.concatenate(scale1);

            AffineTransform trans1 = AffineTransform.getTranslateInstance(-getBoundBox()

                                                                               .getX(),

                    -getBoundBox().getY());

            aT.concatenate(trans1);

            geometry.applyTransform(aT);

            size = aT.getScaleX() * size;

        }

        super.setBoundBox(r);

    }

    /**

     * DOCUMENT ME!

     */

    public void startEditing() {

        editing = true;

    }

    /**

     * DOCUMENT ME!

     */

    public void stopEditing() {

        editing = false;

    }

    /**

     * DOCUMENT ME!

     *

     * @return DOCUMENT ME!

     */

    public boolean isEditing() {

        return editing;

    }

    /**

     * DOCUMENT ME!

     *

     * @param point DOCUMENT ME!

     * @param geom DOCUMENT ME!

     */

    public void pointReleased(Point2D point, GeometryAdapter geom) {

        index.clear();

        geometry = geom;

        Rectangle2D r = geometry.getShape().getBounds2D();

        super.setBoundBox(r);

    }

    /**

     * DOCUMENT ME!

     *

     * @param point DOCUMENT ME!

     */

    public void pointPressed(Point2D point) {

        Rectangle2D.Double rect = getBoundBox();

        Point2D[] points = geometry.getPoints();

        geometryEdit = GeometryAdapter.createFromXML(geometry.getXMLEntity());

        Point2D pAux1 = new Point2D.Double();

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

            if (getRotation() != 0) {

                AffineTransform af = AffineTransform.getRotateInstance(Math.toRadians(

                            -getRotation()), rect.x + (rect.width / 2),

                        rect.y + (rect.height / 2));

                af.transform(point, pAux1);

                if (points[i].distance(pAux1) <= TOL) {

                    index.set(i);

                }

            } else {

                if (points[i].distance(point) <= TOL) {

                    index.set(i);

                }

            }

        }

    }

    /**

     * DOCUMENT ME!

     *

     * @param point DOCUMENT ME!

     */

    public void pointDragged(Point2D point) {

        Point2D[] points = geometry.getPoints();

        for (int j = index.nextSetBit(0); j >= 0;

                j = index.nextSetBit(j + 1)) {

            if (getRotation() != 0) {

                Rectangle2D.Double rect = getBoundBox();

                AffineTransform af = AffineTransform.getRotateInstance(Math.toRadians(

                            -getRotation()), rect.x + (rect.width / 2),

                        rect.y + (rect.height / 2));

                af.transform(point, point);

            }

            points[j] = new Point2D.Double(point.getX(), point.getY());

        }

        geometryEdit.setPoints(points);

        geometryEdit.end();

    }

    /**

     * DOCUMENT ME!

     *

     * @param g DOCUMENT ME!

     * @param at DOCUMENT ME!

     */

    public void paint(Graphics2D g, AffineTransform at) {

        if (geometryEdit != null) {

            Rectangle2D.Double rect = getBoundingBox(at);

            g.rotate(Math.toRadians(getRotation()), rect.x + (rect.width / 2),

                rect.y + (rect.height / 2));

            FShape m_shape = null;

            GeneralPathX polyLine = new GeneralPathX(geometryEdit.getShape());

            polyLine.transform(at);

            m_shape = new FPolyline2D(polyLine);

            FGraphicUtilities.DrawShape(g, mT, m_shape, m_symbol);

            g.rotate(Math.toRadians(-getRotation()), rect.x + (rect.width / 2),

                rect.y + (rect.height / 2));

        }

    }

    /**

     * DOCUMENT ME!

     *

     * @return DOCUMENT ME!

     */

    public GeometryAdapter getGeometry() {

        return geometryEdit;

    }

}