| 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();

			}

		}

	}

}