| gvSIG desktop 1

/*

 * Created on 25-may-2005

 *

 * gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana

 * 

 * Copyright (C) 2004 IVER T.I. and Generalitat Valenciana.

 * 

 */

package com.iver.example;

import com.iver.andami.PluginServices;

import com.iver.andami.plugins.Extension;

import com.iver.andami.ui.mdiManager.IWindow;

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

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

import com.iver.cit.gvsig.fmap.tools.Behavior.PointBehavior;

import com.iver.cit.gvsig.gui.View;

import com.iver.cit.gvsig.project.ProjectView;

import com.iver.example.tools.MyInfoListener;

/**

 * @author Fjp

 *

 * Main class of this extension example. 

 * The first time the method "execute" is called, we check if

 * we have already created MyInfoListener, and if not, we 

 * create it and add to the mapControl. Then, if we receive the 

 * acction command "MYINFO", we set this tool as active. 

 */

public class MyPrivateInfo extends Extension {

    MyInfoListener il = null;

    public void initialize() {

    }

    public void execute(String actionCommand) {

        View vista = (View) PluginServices.getMDIManager().getActiveWindow();

        MapControl mapCtrl = vista.getMapControl();

        if (il == null) // We create it for the first time.

        {

            il = new MyInfoListener(mapCtrl);

            mapCtrl.addMapTool("myInfo", new PointBehavior(il));

        }

        if (actionCommand.compareTo("MYINFO") == 0)

        {

            mapCtrl.setTool("myInfo");

        }

    }

    public boolean isEnabled() {

        return true;

    }

    /* (non-Javadoc)

     * @see com.iver.andami.plugins.Extension#isVisible()

     * 

     * This tool will be visible only if the View class is the active view.

     */

    public boolean isVisible() {

        IWindow f = PluginServices.getMDIManager()

         .getActiveWindow();

            if (f == null) {

                return false;

            }

            if (f.getClass() == View.class) {

                View vista = (View) f;

                ProjectView model = vista.getModel();

                MapContext mapa = model.getMapContext();

                return mapa.getLayers().getLayersCount() > 0;

            } else {

                return false;

            }

    }

}