Application: gvSIG desktop

/**

 * gvSIG. Desktop Geographic Information System.

 *

 * Copyright (C) 2007-2013 gvSIG Association.

 *

 * This program is free software; you can redistribute it and/or modify it under

 * the terms of the GNU General Public License as published by the Free Software

 * Foundation; either version 3 of the License, or (at your option) any later

 * version.

 *

 * This program is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS

 * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more

 * details.

 *

 * You should have received a copy of the GNU General Public License along with

 * this program; if not, write to the Free Software Foundation, Inc., 51

 * Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.

 *

 * For any additional information, do not hesitate to contact us at info AT

 * gvsig.com, or visit our website www.gvsig.com.

 */

package org.gvsig.app.extension;

import org.gvsig.andami.IconThemeHelper;

import org.gvsig.andami.PluginServices;

import org.gvsig.andami.plugins.Extension;

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

import org.gvsig.app.ApplicationLocator;

import org.gvsig.app.ApplicationManager;

import org.gvsig.app.project.Project;

import org.gvsig.app.project.documents.DocumentManager;

import org.gvsig.app.project.documents.table.TableDocument;

import org.gvsig.app.project.documents.table.TableManager;

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

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

import org.gvsig.fmap.mapcontext.MapContext;

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

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

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

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

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

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

import org.gvsig.fmap.mapcontext.layers.vectorial.FLyrVect;

import org.gvsig.tools.util.ArrayUtils;

/**

 * Extensi?n que abre las tablas asociadas a las vistas.

 *

 */

public class ShowTable extends Extension implements LayerCollectionListener {

    @Override

    public boolean isEnabled() {

        ApplicationManager application = ApplicationLocator.getManager();

        ViewDocument doc = (ViewDocument) application.getActiveDocument(ViewManager.TYPENAME);

        if (doc == null) {

            return false;

        }

        MapContext mapContext = doc.getMapContext();

        return mapContext.hasActiveVectorLayers();

    }

    @Override

    public boolean isVisible() {

        ApplicationManager application = ApplicationLocator.getManager();

        ViewDocument doc = (ViewDocument) application.getActiveDocument(ViewManager.TYPENAME);

        if (doc == null) {

            return false;

        }

        MapContext mapContext = doc.getMapContext();

        return mapContext.hasVectorLayers();

    }

    @Override

    public void execute(String command) {

        this.execute(command, null);

    }

    @Override

    public void execute(String command, Object[] args) {

        if ("layer-show-attributes-table".equalsIgnoreCase(command)) {

            ApplicationManager application = ApplicationLocator.getManager();

            FLayer[] layers = (FLayer[]) ArrayUtils.get(args, 0);

            if( layers == null ) {

                ViewDocument doc = (ViewDocument) application.getActiveDocument(ViewManager.TYPENAME);

                if (doc == null) {

                    return;

                }

                MapContext mapContext = doc.getMapContext();

                layers = mapContext.getLayers().getActives();

            }

            Project project = application.getCurrentProject();

            TableManager tableManager = getTableManager();

            for (FLayer layer : layers) {

                if (layer instanceof FLyrVect) {

                    FLyrVect layerVect = (FLyrVect) layer;

                    TableDocument tableDoc = tableManager.getTableDocument(layerVect);

                    if (tableDoc == null) {

                        tableDoc = (TableDocument) tableManager.createDocument();

                        tableDoc.setName(layerVect.getName());

                        tableDoc.setStore(layerVect.getFeatureStore());

                        tableDoc.setAssociatedLayer(layerVect);

                        layerVect.getParentLayer().addLayerCollectionListener(this);

                        project.addDocument(tableDoc);

                    }

                    IWindow tablePanel = tableManager.getMainWindow(tableDoc);

                    tableDoc.setModified(true);

                    application.getUIManager().addWindow(tablePanel);

                }

            }

        }

    }

    private TableManager getTableManager() {

        ApplicationManager application = ApplicationLocator.getManager();

        DocumentManager tableManager = application.getProjectManager().getDocumentManager(

                TableManager.TYPENAME

        );

        return (TableManager) tableManager;

    }

    @Override

    public void initialize() {

        IconThemeHelper.registerIcon("action", "layer-show-attributes-table", this);

    }

    @Override

    public void layerAdded(LayerCollectionEvent e) {

        // Nothing to do

    }

    @Override

    public void layerMoved(LayerPositionEvent e) {

        // Nothing to do

    }

    @Override

    public void layerRemoved(LayerCollectionEvent e) {

        FLayer layer = e.getAffectedLayer();

        // Just in case we where listening to a group of layers being removed

        // remove us from there

        if (layer instanceof FLayers) {

            ((FLayers) layer).removeLayerCollectionListener(this);

        }

        // Remove the related table document, if any

        if (layer instanceof FLyrVect) {

            getTableManager().removeTableDocument((FLyrVect) layer);

            // If the parent layers has not other child layers, for sure there

            // are not related tables opened, don't need to listen

            // LayerCollectionEvents anymore.

            // TODO: remove us also when there are not any child layers with

            // related table documents

            FLayers layers = layer.getParentLayer();

            if (layers != null && layers.getLayersCount() == 0) {

                layers.removeLayerCollectionListener(this);

            }

        }

    }

    @Override

    public void layerAdding(LayerCollectionEvent e) throws CancelationException {

        // Nothing to do

    }

    @Override

    public void layerMoving(LayerPositionEvent e) throws CancelationException {

        // Nothing to do

    }

    @Override

    public void layerRemoving(LayerCollectionEvent e)

            throws CancelationException {

        // Nothing to do

    }

    @Override

    public void visibilityChanged(LayerCollectionEvent e)

            throws CancelationException {

        // Nothing to do

    }

}