Application: gvSIG desktop

/*

 * Copyright 2015 DiSiD Technologies S.L.L. All rights reserved.

 *

 * Project  : DiSiD org.gvsig.app.mainplugin

 * SVN Id   : $Id$

 */

package org.gvsig.app.extension.selectioncount;

import javax.swing.border.BevelBorder;

import org.gvsig.andami.PluginServices;

import org.gvsig.andami.PluginsLocator;

import org.gvsig.andami.plugins.Extension;

import org.gvsig.andami.ui.mdiFrame.MainFrame;

import org.gvsig.andami.ui.mdiManager.IWindow;

import org.gvsig.app.ApplicationLocator;

import org.gvsig.app.ApplicationManager;

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

import org.gvsig.app.project.documents.view.gui.IView;

import org.gvsig.fmap.mapcontext.layers.FLayer;

import org.gvsig.fmap.mapcontext.layers.FLayers;

import org.gvsig.fmap.mapcontrol.MapControl;

import org.gvsig.fmap.mapcontrol.MapControlCreationListener;

import org.gvsig.fmap.mapcontrol.MapControlLocator;

import org.gvsig.gui.beans.controls.IControl;

import org.gvsig.gui.beans.controls.label.Label;

/**

 * Controls the extension Selection count, which shows the selected features in the status bar

 * @author Daniel Martinez

 *

 */

public class SelectionCountExtension extends Extension {

    private IControl control;

    private SelectionCount selectionCount=null;

    @Override

    public void initialize() {

        // Do nothing

    }

    @Override

    public void execute(String actionCommand) {

     // Do nothing

    }

    @Override

    public boolean isEnabled() {

        //FIXME This should been done through a window listener to be triggered when it changes to another one.

        if (this.control==null){

            this.control=createLabel();

        }

        if (selectionCount==null){

            selectionCount=new SelectionCount(control);

        }

        IView view = getActiveView();

        if (view != null) {

            selectionCount.showFeatureCount(view.getMapControl());

        }

        return true;

    }

    @Override

    public boolean isVisible() {

        IWindow window = getActiveWindow();

        if (window instanceof IView) {

            IView view = (IView)window;

            ViewDocument viewDocument = view.getViewDocument();

            FLayers layers = viewDocument.getMapContext().getLayers();

            if (layers!=null){

                FLayer[] activeLayers = layers.getActives();

                if (activeLayers!=null && activeLayers.length>0){

                    return true;

                }

            }

        }

        return false;

    }

    private IView getActiveView() {

        ApplicationManager application = ApplicationLocator.getManager();

        IView view = (IView) application.getActiveComponent(ViewDocument.class);

        return view;

    }

    private IWindow getActiveWindow() {

        ApplicationManager application = ApplicationLocator.getManager();

        return application.getActiveWindow();

    }

    @Override

    public void postInitialize() {

        if (this.control==null){

            this.control=createLabel();

        }

        MapControlLocator.getMapControlManager().addMapControlCreationListener(new MapControlCreationListener() {

            @Override

            public MapControl mapControlCreated(MapControl mapControl) {

                new SelectionCount(mapControl,control);

                return mapControl;

            }

        });

    }

    private IControl createLabel(){

        MainFrame mainFrame = PluginsLocator.getMainFrame();

        Label label=new Label();

        label.setName("selectionCount");

        String tooltip=PluginServices.getText(this,"_Selected_features");

        label.setToolTipText(tooltip);

        label.setBorder(new BevelBorder(BevelBorder.LOWERED));

        mainFrame.addStatusBarControl(this.getClass(), label);

        return label;

    }

}