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svn-document-layout / trunk / org.gvsig.app.document.layout2.app / org.gvsig.app.document.layout2.app.mainplugin / src / main / java / org / gvsig / app / project / documents / layout / fframes / FFrameNorth.java @ 324

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/* gvSIG. Geographic Information System of the Valencian Government
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 *
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 * Copyright (C) 2007-2008 Infrastructures and Transports Department
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 * of the Valencian Government (CIT)
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 *
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 * This program is free software; you can redistribute it and/or
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 * modify it under the terms of the GNU General Public License
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 * as published by the Free Software Foundation; either version 2
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 * of the License, or (at your option) any later version.
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 *
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 * This program is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 * GNU General Public License for more details.
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 *
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 * You should have received a copy of the GNU General Public License
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 * along with this program; if not, write to the Free Software
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 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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 * MA  02110-1301, USA.
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 *
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 */
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package org.gvsig.app.project.documents.layout.fframes;
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import org.gvsig.tools.ToolsLocator;
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import org.gvsig.tools.dynobject.DynStruct;
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import org.gvsig.tools.persistence.PersistenceManager;
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import org.gvsig.tools.persistence.PersistentState;
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import org.gvsig.tools.persistence.exception.PersistenceException;
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/**
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 * Class that extends FFramePicture and implements IFFrameViewDependence to be
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 * able to maintain the same rotation that the view to which associate.
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 *
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 * @author Vicente Caballero Navarro
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 */
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public class FFrameNorth extends FFramePicture implements IFFrameViewDependence {
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    public static final String PERSISTENCE_DEFINITION_NAME = "FFrameNorth";
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    private static final String FFRAMEVIEWDEPENDENCE_FIELD =
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        "fframeViewDependence";
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    private FFrameView fframeViewDependence;
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    /**
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     * Inserts FFrameView to be able to relate this with the image.
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     *
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     * @param fv
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     *            FFrameView
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     */
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    public void setFFrameDependence(IFFrame fv) {
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        fframeViewDependence = (FFrameView) fv;
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    }
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    public void refreshDependence(IFFrame fant, IFFrame fnew) {
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        if ((fframeViewDependence != null) && fframeViewDependence.equals(fant)) {
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            fframeViewDependence = (FFrameView) fnew;
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        }
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    }
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    /**
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     * Returns the FFrameView.
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     *
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     * @return FFrameView
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     */
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    public IFFrame[] getFFrameDependence() {
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        return new IFFrame[] { fframeViewDependence };
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    }
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    /**
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     * Returns the rotation of de FFrameView.
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     *
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     * @return Rotation.
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     */
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    public double getRotation() {
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        if (fframeViewDependence != null) {
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            return fframeViewDependence.getRotation()
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                + fframeViewDependence.getMapRotation();
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        }
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        return super.getRotation();
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    }
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    public static void registerPersistent() {
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        PersistenceManager manager = ToolsLocator.getPersistenceManager();
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        if (manager.getDefinition(PERSISTENCE_DEFINITION_NAME) == null) {
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            DynStruct definition =
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                manager.addDefinition(FFrameNorth.class,
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                    PERSISTENCE_DEFINITION_NAME,
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                    "FFrameNorth persistence definition", null, null);
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            definition.extend(manager
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                .getDefinition(FFramePicture.PERSISTENCE_DEFINITION_NAME));
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            definition.addDynFieldObject(FFRAMEVIEWDEPENDENCE_FIELD).
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                setClassOfValue(IFFrame.class);
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        }
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    }
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    @Override
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    public void loadFromState(PersistentState state)
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        throws PersistenceException {
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        super.loadFromState(state);
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        if (state.hasValue(FFRAMEVIEWDEPENDENCE_FIELD)) {
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            fframeViewDependence =
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                (FFrameView) state.get(FFRAMEVIEWDEPENDENCE_FIELD);
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        }
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    }
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    @Override
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    public void saveToState(PersistentState state) throws PersistenceException {
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        super.saveToState(state);
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        state.set(FFRAMEVIEWDEPENDENCE_FIELD, fframeViewDependence);
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    }
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    public Object clone() throws CloneNotSupportedException {
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        IFFrame frame = (IFFrame) super.clone();
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        return frame;
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    }
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    public String getName() {
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        return PERSISTENCE_DEFINITION_NAME;
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    }
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}