Application: gvSIG desktop » gvSIG Document Layout

/* gvSIG. Geographic Information System of the Valencian Government

 *

 * Copyright (C) 2007-2008 Infrastructures and Transports Department

 * of the Valencian Government (CIT)

 *

 * 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., 51 Franklin Street, Fifth Floor, Boston,

 * MA  02110-1301, USA.

 *

 */

package org.gvsig.app.project.documents.layout.fframes;

import java.awt.Color;

import java.awt.Dimension;

import java.awt.Graphics;

import java.awt.Graphics2D;

import java.awt.Image;

import java.awt.geom.AffineTransform;

import java.awt.geom.Line2D;

import java.awt.geom.Rectangle2D;

import java.awt.image.BufferedImage;

import javax.swing.JOptionPane;

import org.slf4j.Logger;

import org.slf4j.LoggerFactory;

import org.gvsig.andami.PluginServices;

import org.gvsig.andami.messages.NotificationManager;

import org.gvsig.app.ApplicationLocator;

import org.gvsig.app.project.documents.view.ViewDocument;

import org.gvsig.compat.print.PrintAttributes;

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

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

import org.gvsig.fmap.mapcontext.MapContext;

import org.gvsig.fmap.mapcontext.ViewPort;

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;

/**

 * FFrame para introducir el localizador de una vista en el Layout.

 * 

 * @author Vicente Caballero Navarro

 */

public class FFrameOverView extends FFrameView implements IFFrameViewDependence {

    private static final Logger logger = LoggerFactory

        .getLogger(FFrameOverView.class);

    public static final String PERSISTENCE_DEFINITION_NAME = "FFrameOverView";

    private static final String FFRAMEVIEWDEPENDENCE_FIELD =

        "fframeViewDependence";

    private MapContext assoc_map;

    private Envelope extent;

    private FFrameView fframeViewDependence;

    /**

     * DOCUMENT ME!

     * 

     * @param g

     *            DOCUMENT ME!

     * @param at

     *            DOCUMENT ME!

     * @param rv

     *            DOCUMENT ME!

     * @param imgBase

     *            DOCUMENT ME!

     */

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

        BufferedImage imgBase) {

        try {

            if (getMapContext() != null

                && getMapContext().getFullEnvelope() != null) {

                getMapContext().getViewPort().setEnvelope(

                    getMapContext().getFullEnvelope());

            }

        } catch (ReadException e) {

            ApplicationLocator.getManager().message(

                e.getMessage(), JOptionPane.ERROR_MESSAGE);

            logger.info("Error while setting full extent.", e);

        }

        refresh();

        super.draw(g, at, rv, imgBase);

        drawAreaOfInterestBox(g, at, null);

    }

    protected void drawAreaOfInterestBox(

        Graphics2D g,

        AffineTransform at,

        PrintAttributes printAttributes) {

        if ((assoc_map != null)

            && (assoc_map.getViewPort().getEnvelope() != null)

            && (getMapContext().getViewPort().getEnvelope() != null)) {

            Rectangle2D r = getBoundingBox(at);

            ViewPort vp = getMapContext().getViewPort();

            ViewPort vpOrig = assoc_map.getViewPort();

            if (extent == null) {

                extent = vpOrig.getAdjustedEnvelope();

            }

            vp.refreshExtent();

            Image ov_img = new BufferedImage(

                vp.getImageWidth(),

                vp.getImageHeight(),

                BufferedImage.TYPE_INT_ARGB);

            Graphics ov_img_gra = ov_img.getGraphics();

            /*

             * Fill with transparent color

             */

            ov_img_gra.setColor(new Color(0, 0, 0, 0));

            ov_img_gra.fillRect(0, 0,

                vp.getImageWidth(), vp.getImageHeight());

            Rectangle2D aux =

                new Rectangle2D.Double(extent.getMinimum(0),

                    extent.getMinimum(1), extent.getLength(0),

                    extent.getLength(1));

            Rectangle2D extentPixels = vp.fromMapRectangle(aux);

            /*

             * Area of interest in pixels, inside ov_img image

             */

            extentPixels.setFrame(

                extentPixels.getMinX(), extentPixels.getMinY(),

                extentPixels.getWidth(), extentPixels.getHeight());

            /*

             * Fill (gray) and perimeter (red)

             */

            ov_img_gra.setColor(new Color(100, 100, 100, 100));

            ov_img_gra.fillRect((int) extentPixels.getMinX(),

                (int) extentPixels.getMinY(),

                (int) extentPixels.getWidth(),

                (int) extentPixels.getHeight());

            ov_img_gra.setColor(Color.red);

            ov_img_gra.drawRect((int) extentPixels.getMinX(),

                (int) extentPixels.getMinY(),

                (int) extentPixels.getWidth(),

                (int) extentPixels.getHeight());

            int aoi_top = (int) extentPixels.getMinY();

            int aoi_bottom = (int) extentPixels.getMaxY();

            int aoi_left = (int) extentPixels.getMinX();

            int aoi_right = (int) extentPixels.getMaxX();

            /*

             * Draw vertical, horizontal lines

             */

            ov_img_gra.setColor(Color.darkGray);

            int cx = (int) extentPixels.getCenterX(); 

            int cy = (int) extentPixels.getCenterY();

            int maxx = vp.getImageWidth();

            int maxy = vp.getImageHeight();

            // vertical

            ov_img_gra.drawLine(cx, 0, cx, aoi_top);

            ov_img_gra.drawLine(cx, aoi_bottom, cx, maxy);

            // horiz

            ov_img_gra.drawLine(0, cy, aoi_left, cy);

            ov_img_gra.drawLine(aoi_right, cy, maxx, cy);

            /*

             * Semi-transparent image is ready

             */

            /*

             * Save clip area

             */

            Rectangle2D clip = g.getClipBounds();

            g.setClip((int) r.getX(), (int) r.getY(), (int) r.getWidth(),

                (int) r.getHeight());

            /*

             * Paste resized image (with transparency)

             */

            ov_img = ov_img.getScaledInstance(

                (int) r.getWidth(),

                (int) r.getHeight(), Image.SCALE_SMOOTH);

            g.drawImage(ov_img, (int) r.getX(), (int) r.getY(), null);

            ov_img_gra.dispose();

            /*

             * Restore clip area

             */

            g.setClip((int) clip.getX(), (int) clip.getY(),

                (int) clip.getWidth(), (int) clip.getHeight());

            extent = null;

            // System.err.println("Dibujando FFrameOverView ...");

        }

    }

    protected void print(Graphics2D g, AffineTransform at, PrintAttributes printAttributes) {

        try {

            if (getMapContext() != null

                && getMapContext().getFullEnvelope() != null) {

                getMapContext().getViewPort().setEnvelope(

                    getMapContext().getFullEnvelope());

            }

        } catch (ReadException e) {

            ApplicationLocator.getManager().message(

                e.getMessage(), JOptionPane.ERROR_MESSAGE);

            logger.info("Error while setting full extent.", e);

        }

        refresh();

        super.print(g, at, printAttributes);

        drawAreaOfInterestBox(g, at, printAttributes);

    }

    /**

     * Inserta el ProjectView de donde obtener las propiedades de la vista a

     * mostrar.

     * 

     * @param v

     *            Modelo de la vista.

     */

    public void setView(ViewDocument v) {

        viewDocument = v;

        ViewPort vp = null;

        if (getMapContext() != null) {

            vp = getMapContext().getViewPort();

        } else {

            try {

                vp = (ViewPort) v.getMapContext().getViewPort().clone();

            } catch (CloneNotSupportedException e) {

                NotificationManager.addError("Excepci?n :", e);

            }

        }

        vp.setImageSize(new Dimension((int) getBoundingBox(null).width,

            (int) getBoundingBox(null).height));

        if (fframeViewDependence == null)

            return;

        assoc_map = fframeViewDependence.getMapContext();

        if (fframeViewDependence.getLinked()) {

            try {

                mapContext =

                    fframeViewDependence

                        .getView()

                        .getMapOverViewContext()

                        .createNewFMap(

                            (ViewPort) fframeViewDependence.getView()

                                .getMapOverViewContext().getViewPort().clone());

            } catch (CloneNotSupportedException e) {

                NotificationManager.addError("Excepci?n :", e);

            }

            mapContext.getViewPort().setImageSize(

                new Dimension((int) getBoundingBox(null).width,

                    (int) getBoundingBox(null).height));

            fframeViewDependence.getMapContext().getViewPort()

                .addViewPortListener(this);

            v.getMapContext().getViewPort().addViewPortListener(this);

            fframeViewDependence.getView().getMapOverViewContext()

                .addLayerListener(this);

        } else

            if (!fframeViewDependence.getLinked()) {

                mapContext =

                    fframeViewDependence.getView().getMapOverViewContext()

                        .cloneFMap();

                try {

                    mapContext.setViewPort((ViewPort) fframeViewDependence

                        .getView().getMapOverViewContext().getViewPort()

                        .clone());

                } catch (CloneNotSupportedException e) {

                    NotificationManager.addError("Excepci?n :", e);

                }

                mapContext.getViewPort().setImageSize(

                    new Dimension((int) getBoundingBox(null).width,

                        (int) getBoundingBox(null).height));

                fframeViewDependence.getMapContext().getViewPort()

                    .addViewPortListener(this);

                v.getMapContext().getViewPort().addViewPortListener(this);

                fframeViewDependence.getView().getMapOverViewContext()

                    .addLayerListener(this);

            }

    }

    /**

     * @see org.gvsig.app.project.documents.layout.fframes.IFFrame#getNameFFrame()

     */

    public String getNameFFrame() {

        return PluginServices.getText(this, "Localizador") + num;

    }

    public String getName() {

        return PERSISTENCE_DEFINITION_NAME;

    }

    public IFFrame clone() throws CloneNotSupportedException {

        FFrameOverView frame = (FFrameOverView) super.clone();

        frame.setSelected(this.getSelected() != IFFrame.NOSELECT);

        cloneActions(frame);

        return frame;

    }

    public void setFFrameDependence(IFFrame f) {

        fframeViewDependence = (FFrameView) f;

    }

    public IFFrame[] getFFrameDependence() {

        return new IFFrame[] { fframeViewDependence };

    }

    public void refreshDependence(IFFrame fant, IFFrame fnew) {

        if ((fframeViewDependence != null) && fframeViewDependence.equals(fant)) {

            fframeViewDependence = (FFrameView) fnew;

            assoc_map = fframeViewDependence.getMapContext();

            if (fframeViewDependence.getLinked()) {

                try {

                    mapContext =

                        fframeViewDependence

                            .getView()

                            .getMapOverViewContext()

                            .createNewFMap(

                                (ViewPort) fframeViewDependence.getView()

                                    .getMapOverViewContext().getViewPort()

                                    .clone());

                } catch (CloneNotSupportedException e) {

                    NotificationManager.addError("Excepci?n :", e);

                }

                mapContext.getViewPort().setImageSize(

                    new Dimension((int) getBoundingBox(null).width,

                        (int) getBoundingBox(null).height));

                fframeViewDependence.getMapContext().getViewPort()

                    .addViewPortListener(this);

                getView().getMapContext().getViewPort()

                    .addViewPortListener(this);

                fframeViewDependence.getView().getMapOverViewContext()

                    .addLayerListener(this);

            } else

                if (!fframeViewDependence.getLinked()) {

                    mapContext =

                        fframeViewDependence.getView().getMapOverViewContext()

                            .cloneFMap(); // (v.getMapContext().getViewPort().cloneViewPort());

                    try {

                        mapContext.setViewPort((ViewPort) fframeViewDependence

                            .getView().getMapOverViewContext().getViewPort()

                            .clone());

                    } catch (CloneNotSupportedException e) {

                        NotificationManager.addError("Excepci?n :", e);

                    }

                    mapContext.getViewPort().setImageSize(

                        new Dimension((int) getBoundingBox(null).width,

                            (int) getBoundingBox(null).height));

                    fframeViewDependence.getMapContext().getViewPort()

                        .addViewPortListener(this);

                    getView().getMapContext().getViewPort()

                        .addViewPortListener(this);

                    fframeViewDependence.getView().getMapOverViewContext()

                        .addLayerListener(this);

                }

        }

    }

    public static void registerPersistent() {

        PersistenceManager manager = ToolsLocator.getPersistenceManager();

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

            DynStruct definition =

                manager.addDefinition(FFrameOverView.class,

                    PERSISTENCE_DEFINITION_NAME,

                    "FFrameOverView persistence definition", null, null);

            definition.extend(manager

                .getDefinition(FFrameView.PERSISTENCE_DEFINITION_NAME));

            definition.addDynFieldObject(FFRAMEVIEWDEPENDENCE_FIELD)

                .setClassOfValue(FFrameView.class);

        }

    }

    @Override

    public void loadFromState(PersistentState state)

        throws PersistenceException {

        super.loadFromState(state);

        fframeViewDependence =

            (FFrameView) state.get(FFRAMEVIEWDEPENDENCE_FIELD);

        /*

         * force refreshment of other fields

         */

        this.setView(viewDocument);

    }

    @Override

    public void saveToState(PersistentState state) throws PersistenceException {

        super.saveToState(state);

        state.set(FFRAMEVIEWDEPENDENCE_FIELD, fframeViewDependence);

    }

}