| gvSIG desktop 1

package com.iver.cit.gvsig.gui.panels;

import java.net.URL;

import java.util.ArrayList;

import com.hardcode.gdbms.driver.exceptions.ReadDriverException;

import com.iver.andami.PluginServices;

import com.iver.andami.messages.NotificationManager;

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

import com.iver.cit.gvsig.ProjectExtension;

import com.iver.cit.gvsig.exceptions.layers.LoadLayerException;

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

import com.iver.cit.gvsig.fmap.drivers.wfs.FMapWFSDriver;

import com.iver.cit.gvsig.fmap.layers.FLyrVect;

import com.iver.cit.gvsig.fmap.layers.FLyrWFS;

import com.iver.cit.gvsig.fmap.layers.FLyrWFSFactory;

import com.iver.cit.gvsig.fmap.rendering.IVectorLegend;

import com.iver.cit.gvsig.project.documents.layout.gui.Layout;

import com.iver.cit.gvsig.project.documents.table.ProjectTable;

import com.iver.cit.gvsig.project.documents.table.ProjectTableFactory;

import com.iver.cit.gvsig.project.documents.view.gui.BaseView;

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

 *

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

 *

 * 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 2

 * 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307,USA.

 *

 * For more information, contact:

 *

 *  Generalitat Valenciana

 *   Conselleria d'Infraestructures i Transport

 *   Av. Blasco Ib??ez, 50

 *   46010 VALENCIA

 *   SPAIN

 *

 *      +34 963862235

 *   gvsig@gva.es

 *      www.gvsig.gva.es

 *

 *    or

 *

 *   IVER T.I. S.A

 *   Salamanca 50

 *   46005 Valencia

 *   Spain

 *

 *   +34 963163400

 *   dac@iver.es

 */

/* CVS MESSAGES:

 *

 * $Id$

 * $Log$

 *

 */

/**

 * @author Jorge Piera LLodr? (jorge.piera@iver.es)

 */

public class WFSSelectFeaturePanelListener{

        public static final int CANCEL_BUTTON_ACTION_COMMAND = 0;

        public static final int APPLY_BUTTON_ACTION_COMMAND = 1;

        public static final int ACCEPT_BUTTON_ACTION_COMMAND = 2;

        private WFSParamsPanelData paramsPanel = null;

        private FLyrWFS layer = null;

        public WFSSelectFeaturePanelListener(WFSParamsPanelData paramsPanel) {

                this.paramsPanel = paramsPanel;

        }

        /**

         * Exectutes the action

         */

        public void actionPerformed(int actionEvent) {

                layer = (FLyrWFS)paramsPanel.getLayer();

                //Accept or apply

                try {

                        // Gets the driver

                        FMapWFSDriver driver = paramsPanel.getDriver();

                        // Sets the online resource

                        URL host = new URL(paramsPanel.getWizardData().getHost());

                        String onlineResource = paramsPanel.getWizardData().getOnlineResource();

                        // Tries to get the new layer

                        FLyrWFS newLayer = new FLyrWFSFactory().getFLyrWFS(layer, host, onlineResource, driver, true, false);

                        // If can load the layer, update all data

                        if (newLayer != null) {

                                // Removes the last project table if exists

                                removeProjectTable(layer);

                                // Sets the legend

                                IVectorLegend legend = (IVectorLegend)layer.getLegend();

                                newLayer.setLegend(legend);

                                //Apply button clicked

                                if (actionEvent == APPLY_BUTTON_ACTION_COMMAND) {

                                        applyButtonActionPerformed();

                                        refreshLayouts();

                                        return;

                                }

                                //Accept button clicked

                                if (actionEvent == ACCEPT_BUTTON_ACTION_COMMAND) {

                                        acceptButtonActionPerformed();

                                        refreshLayouts();

                                        return;

                                }

                        }

                } catch (Exception e1) {

                        NotificationManager.addError(e1);

                }

        }

        /**

         * Action for the apply button

         * @throws LoadLayerException

         */

        private void applyButtonActionPerformed() throws LoadLayerException{

                // We can't 'apply' if there is a filter query and it's incorrect

                if (paramsPanel.getFilterPanel().getQuery() != null) {

                        String layerName = layer.getName();

                        BaseView activeView = (BaseView) PluginServices.getMDIManager().getActiveWindow();

                        MapControl mapCtrl = activeView.getMapControl();

                        mapCtrl.getMapContext().getLayers().replaceLayer(layerName, layer);

                        mapCtrl.getMapContext().invalidate();

                        // Restores the private attribute of the area panel: hasUserDefinedAnArea

                        paramsPanel.getAreaPanel().setUserHasntDefineAnArea();

                        // If we load another layer, or the same but we've selected others fields -> notify it to the WFSFilter panel

                        if ((paramsPanel.getFilterPanel().getWFSFilterPanelIsAsTabForWFSLayersLoad()) ||

                        (paramsPanel.getFieldsPanel().getFieldsSelectedOfSameLayerHasChanged())) {

                                paramsPanel.getFilterPanel().setWFSFilterPanelIsAsTabForWFSLayersLoad(false);

                                paramsPanel.getFieldsPanel().resetFieldsSelectedOfSameLayerHasChanged(); // reset that field

                        }

                        // Update values associated to the current selected field

                        paramsPanel.getFilterPanel().updateFieldValues();

                        paramsPanel.getAreaPanel().updateWFSArea();

                }

        }

        /**

         * Action for the accept button

         * @throws LoadLayerException

         */

        private void acceptButtonActionPerformed() throws LoadLayerException{

                // We can't 'apply' if there is a filter query and it's incorrect

                if (paramsPanel.getFilterPanel().getQuery() != null) {

                        String layerName = layer.getName();

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

                        MapControl mapCtrl = vista.getMapControl();

                        mapCtrl.getMapContext().getLayers().replaceLayer(layerName, layer);

                        mapCtrl.getMapContext().invalidate();

                        // Restores the private attribute of the area panel: hasUserDefinedAnArea

                        paramsPanel.getAreaPanel().setUserHasntDefineAnArea();

                }

                // Update all fields and values known about the current layer loaded (and selected)

                layer.setAllFieldsAndValuesKnown(paramsPanel.getFilterPanel().getAllFieldsAndValuesKnownOfCurrentLayer());

        }

        /**

         * It removes the associated project table

         * @param flayer

         * Flayer vercorial

         */

        private void removeProjectTable(FLyrVect flayer){

                //remove it

                ProjectExtension ext = (ProjectExtension) PluginServices.getExtension(ProjectExtension.class);

                ArrayList tables = ext.getProject().getDocumentsByType(ProjectTableFactory.registerName);

                for (int i=0 ; i<tables.size() ; i++){

                        ProjectTable projectTable = (ProjectTable)tables.get(i);

                        try {

                                Object obj = projectTable.getAssociatedTable().getRecordset();

                                if (flayer.getRecordset().equals(projectTable.getAssociatedTable().getRecordset())){

                                        ext.getProject().delDocument(projectTable);

                                }

                        } catch (ReadDriverException e) {

                                //It doens't matter. The table will not deleted

                        }

                }

        }

        /**

         * Refresh the layouts

         */

        private void refreshLayouts(){

                IWindow[] windows = PluginServices.getMDIManager().getAllWindows();

                for (int i=0 ; i<windows.length ; i++){

                        if (windows[i] instanceof Layout){

                                ((Layout)windows[i]).getLayoutContext().fullRefresh();

                        }

                }

        }

}