Application: gvSIG desktop » gvSIG 3D

package org.gvsig.gvsig3d.app.camera;

import org.gvsig.osgvp.core.osg.Vec3;

import org.gvsig.osgvp.viewer.Camera;

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;

/**

 * This class is used to manage the cameras that the "herramienta de encuadres"

 * needs like a data model

 * 

 * @author AI2

 */

public class ProjectCamera implements Persistent {

        public static final String PARAMETERS_DEFINITION_NAME = "ProjectCamera";

        public static final String CAMERA = "camera";

        public static final String EYEX = "eyex";

        public static final String EYEY = "eyey";

        public static final String EYEZ = "eyez";

        public static final String CENTERX = "centerx";

        public static final String CENTERY = "centery";

        public static final String CENTERZ = "centerz";

        public static final String UPX = "upx";

        public static final String UPY = "upy";

        public static final String UPZ = "upz";

        private Camera _camera;

        private String description;

        /**

         * Return the description

         * 

         * @return description of the camera

         */

        public String getDescription() {

                return description;

        }

        /**

         * Set the description

         * 

         * @param the

         *            description of the camera

         */

        public void setDescription(String string) {

                description = string;

        }

        /**

         * @see java.lang.Object#toString()

         */

        public String toString() {

                return description;

        }

        /**

         * Return the camera object

         * 

         * @return camera object

         */

        public Camera getCamera() {

                return _camera;

        }

        /**

         * Set the camera object

         * 

         * @param the

         *            camera object

         */

        public void setCamera(Camera camera) {

                this._camera = camera;

        }

        /*

         * (non-Javadoc)

         * 

         * @see com.iver.utiles.IPersistence#getClassName()

         */

        public String getClassName() {

                return this.getClass().getName();

        }

        public void saveToState(PersistentState state) throws PersistenceException {

                state.set(EYEX, _camera.getEye().x());

                state.set(EYEY, _camera.getEye().y());

                state.set(EYEZ, _camera.getEye().z());

                state.set(CENTERX, _camera.getCenter().x());

                state.set(CENTERY, _camera.getCenter().y());

                state.set(CENTERZ, _camera.getCenter().z());

                state.set(UPX, _camera.getUp().x());

                state.set(UPY, _camera.getUp().y());

                state.set(UPZ, _camera.getUp().z());

        }

        public void loadFromState(PersistentState state)

                        throws PersistenceException {

                _camera = new Camera();

                Vec3 eye = new Vec3(state.getDouble(EYEX), state.getDouble(EYEY),

                                state.getDouble(EYEZ));

                Vec3 center = new Vec3(state.getDouble(CENTERX),

                                state.getDouble(CENTERY), state.getDouble(CENTERZ));

                Vec3 up = new Vec3(state.getDouble(UPX), state.getDouble(UPY),

                                state.getDouble(UPZ));

                _camera.setViewByLookAt(eye, center, up);

        }

        public static class RegisterPersistence implements Callable {

                public Object call() throws Exception {

                        PersistenceManager manager = ToolsLocator.getPersistenceManager();

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

                                DynStruct definition = manager.addDefinition(

                                                ProjectCamera.class, PARAMETERS_DEFINITION_NAME,

                                                PARAMETERS_DEFINITION_NAME + " Persistence definition",

                                                null, null);

                                // Description

                                definition.addDynFieldDouble(EYEX).setMandatory(true);

                                definition.addDynFieldDouble(EYEY).setMandatory(true);

                                definition.addDynFieldDouble(EYEZ).setMandatory(true);

                                definition.addDynFieldDouble(CENTERX).setMandatory(true);

                                definition.addDynFieldDouble(CENTERY).setMandatory(true);

                                definition.addDynFieldDouble(CENTERZ).setMandatory(true);

                                definition.addDynFieldDouble(UPX).setMandatory(true);

                                definition.addDynFieldDouble(UPY).setMandatory(true);

                                definition.addDynFieldDouble(UPZ).setMandatory(true);

                        }

                        return Boolean.TRUE;

                }

        }

}