// **********************************************************************// // <copyright>// //  BBN Technologies//  10 Moulton Street//  Cambridge, MA 02138//  (617) 873-8000// //  Copyright (C) BBNT Solutions LLC. All rights reserved.// // </copyright>// **********************************************************************// // $Source: /cvs/distapps/openmap/src/openmap/com/bbn/openmap/gui/menu/ProjectionMenu.java,v $// $RCSfile: ProjectionMenu.java,v $// $Revision: 1.3.2.3 $// $Date: 2005/02/11 22:51:24 $// $Author: dietrick $// // **********************************************************************package com.bbn.openmap.gui.menu;import java.awt.Component;import java.awt.event.ActionEvent;import java.awt.event.ActionListener;import java.beans.PropertyChangeEvent;import java.beans.PropertyChangeListener;import java.util.Iterator;import java.util.Vector;import javax.swing.ButtonGroup;import javax.swing.JMenuItem;import javax.swing.JRadioButtonMenuItem;import com.bbn.openmap.MapBean;import com.bbn.openmap.event.ProjectionEvent;import com.bbn.openmap.event.ProjectionListener;import com.bbn.openmap.event.ProjectionSupport;import com.bbn.openmap.gui.AbstractOpenMapMenu;import com.bbn.openmap.proj.Projection;import com.bbn.openmap.proj.ProjectionException;import com.bbn.openmap.proj.ProjectionFactory;import com.bbn.openmap.proj.ProjectionLoader;import com.bbn.openmap.util.Debug;/** * Provides ProjectionMenu items for selecting Projection type. */public class ProjectionMenu extends AbstractOpenMapMenu implements        ActionListener, ProjectionListener, PropertyChangeListener {    public static final String defaultText = "Projection";    protected transient ProjectionSupport projectionSupport = new ProjectionSupport(this);    protected transient Projection projection;    protected transient Component projComponent;    public final static transient String projCmd = "setProj";    /**     * Create the projection submenu.     */    public ProjectionMenu() {        super();        setText(i18n.get(this, "projectionMenu", defaultText));    }    public void configure(Vector loaders) {        removeAll();        JRadioButtonMenuItem rb;        ButtonGroup group = new ButtonGroup();        for (Iterator it = loaders.iterator(); it.hasNext();) {            Object obj = it.next();            if (obj instanceof ProjectionLoader) {                ProjectionLoader pl = (ProjectionLoader) obj;                rb = new JRadioButtonMenuItem(pl.getPrettyName());                rb.setActionCommand(projCmd);                String plclassname = pl.getProjectionClass().getName();                rb.setName(plclassname);                rb.setToolTipText(pl.getDescription());                rb.addActionListener(this);                group.add(rb);                add(rb);            }        }        setProjection(projection);    }    public void actionPerformed(ActionEvent ae) {        String command = ae.getActionCommand();        Debug.message("projectionmenu", "ProjectionMenu.actionPerformed(): "                + command);        if (command == projCmd) {            JRadioButtonMenuItem rb = (JRadioButtonMenuItem) (ae.getSource());            String projclassname = rb.getName();            Debug.message("projectionmenu", "ProjectionMenu new proj name: "                    + projclassname);            try {                Projection newProj = ProjectionFactory.makeProjection(projclassname,                        projection);                fireProjectionChanged(newProj);            } catch (ProjectionException pe) {                rb.setEnabled(false);            }        }    }    public void propertyChange(PropertyChangeEvent pce) {        if (pce.getPropertyName() == ProjectionFactory.AvailableProjectionProperty) {            configure((Vector) pce.getNewValue());        }    }    //------------------------------------------------------------    // ProjectionListener interface    //------------------------------------------------------------    /**     * The Map projection has changed, in order to baseline new     * changes as a result of menu options being selected.     *      * @param e ProjectionEvent     */    public void projectionChanged(ProjectionEvent e) {        if (Debug.debugging("projectionmenu")) {            System.out.println("ProjectionMenu.projectionChanged()");        }        Projection newProj = e.getProjection();        if (projection == null || (!projection.equals(newProj))) {            setProjection((Projection) newProj.makeClone());            Object source = e.getSource();            if (source instanceof Component) {                projComponent = (Component) source;            }        }    }    /**     * Set the projection. This changes the setting of the projection     * radio button menu.     *      * @param aProjection Projection     */    protected synchronized void setProjection(Projection aProjection) {        projection = aProjection;        if (projection == null) {            return;        }        String newProjClassName = projection.getClass().getName();        // Change the selected projection type menu item        for (int i = 0; i < getItemCount(); i++) {            JMenuItem item = getItem(i);            if (newProjClassName.equals(item.getName())) {                if (Debug.debugging("projectionmenu")) {                    Debug.output("ProjectionMenu | setting " + item.getName()                            + " as active");                }                item.setSelected(true);                return;            }        }    }    /**     * Convenience function for setting up listeners     */    public void setupListeners(MapBean map) {        Debug.message("projectionmenu", "ProjectionMenu | setupListeners");        addProjectionListener(map);        map.addProjectionListener(this);    }    /**     * Convenience function for undoing set up listeners     */    public void undoListeners(MapBean map) {        removeProjectionListener(map);        map.removeProjectionListener(this);    }    /*----------------------------------------------------------------------     * Projection Support - for broadcasting projection changed events     *----------------------------------------------------------------------*/    /**     * Add a ProjectionListener to this menu and its components.     */    protected synchronized void addProjectionListener(ProjectionListener l) {        projectionSupport.addProjectionListener(l);    }    /**     * Remove a ProjectionListener from this menu and its components.     */    protected synchronized void removeProjectionListener(ProjectionListener l) {        projectionSupport.removeProjectionListener(l);    }    /**     * Fire the changed projection from the support.     */    public void fireProjectionChanged(Projection p) {        projectionSupport.fireProjectionChanged(p);    }    public void findAndInit(Object someObj) {        if (someObj instanceof MapBean) {            setupListeners((MapBean) someObj);        }        if (someObj instanceof ProjectionFactory) {            ((ProjectionFactory) someObj).addPropertyChangeListener(this);        }    }    public void findAndUndo(Object someObj) {        if (someObj instanceof MapBean) {            undoListeners((MapBean) someObj);        }        if (someObj instanceof ProjectionFactory) {            ((ProjectionFactory) someObj).removePropertyChangeListener(this);        }    }}