Application: gvSIG desktop

package org.gvsig.fmap.dal.swing.impl.actions;

import java.awt.event.ActionEvent;

import javax.swing.AbstractAction;

import javax.swing.Action;

import javax.swing.event.ListSelectionEvent;

import javax.swing.event.ListSelectionListener;

import org.gvsig.expressionevaluator.Expression;

import org.gvsig.featureform.swing.JFeaturesForm;

import org.gvsig.fmap.dal.DataStore;

import org.gvsig.fmap.dal.feature.FeatureAttributeDescriptor;

import org.gvsig.fmap.dal.feature.FeatureQuery;

import org.gvsig.fmap.dal.feature.FeatureStore;

import org.gvsig.fmap.dal.swing.AbstractDALActionFactory;

import org.gvsig.fmap.dal.swing.DALSwingLocator;

import org.gvsig.fmap.dal.swing.DataSwingManager;

import org.gvsig.tools.ToolsLocator;

import org.gvsig.tools.i18n.I18nManager;

import org.gvsig.tools.swing.api.ToolsSwingLocator;

import org.gvsig.tools.swing.api.windowmanager.WindowManager;

import org.slf4j.Logger;

import org.slf4j.LoggerFactory;

import org.gvsig.fmap.dal.swing.DALActionFactory.DALActionContext;

/**

 *

 * @author jjdelcerro

 */

@SuppressWarnings("UseSpecificCatch")

public class ShowFormAction 

        extends AbstractAction 

        implements ListSelectionListener

    {

    public static class ShowFormActionFactory extends AbstractDALActionFactory {

        public static final String ACTION_NAME = "ShowForm";

        public ShowFormActionFactory() {

            super(ACTION_NAME);

        }

        @Override

        public Action createAction(DALActionContext context) {

            return new ShowFormAction(context);

        }

        public static void selfRegister() {

            DataSwingManager dalSwingManager = DALSwingLocator.getSwingManager();

            dalSwingManager.registerStoreAction(new ShowFormActionFactory());

        }               

    }

    private static final Logger LOGGER = LoggerFactory.getLogger(ShowFormAction.class);

    private final DALActionContext context;

    private boolean showFormSingleElement;

    public ShowFormAction(DALActionContext context) {

        this.context = context;

        I18nManager i18n = ToolsLocator.getI18nManager();

        this.putValue(

                Action.ACTION_COMMAND_KEY, 

                ShowFormActionFactory.ACTION_NAME

        );

        this.putValue(

                Action.SHORT_DESCRIPTION, 

                i18n.getTranslation("_Show_form")

        );

        this.putValue(

                Action.SMALL_ICON, 

                ToolsSwingLocator.getIconThemeManager().getCurrent().get("common-showform")

        );

        try {

            this.showFormSingleElement = true;

            DataStore store = this.context.getStore();

            if( !(store instanceof FeatureStore) ) {

                return;

            }

            FeatureStore featureStore = (FeatureStore) store;

            FeatureAttributeDescriptor[] pks = featureStore.getDefaultFeatureType().getPrimaryKey();

            if (pks == null || pks.length < 1) {

                this.showFormSingleElement = false;

            }

        } catch (Exception ex) {

        }        

    }

    @Override

    public void actionPerformed(ActionEvent e) {

        try {

            this.setEnabled(false);

            DataStore store = this.context.getStore();

            if( !(store instanceof FeatureStore) ) {

                return ;

            }

            FeatureStore featureStore = (FeatureStore) store;

            Expression filter = this.context.getFilterForSelecteds();

            if( filter==null ) {

              FeatureQuery query = this.context.getQuery();

              if( query != null ) {

                filter = query.getExpressionFilter();

              }

            }

            DataSwingManager dataSwingManager = DALSwingLocator.getSwingManager();

            FeatureQuery query = featureStore.createFeatureQuery();

            query.setFilter(filter);

            query.retrievesAllAttributes();

            JFeaturesForm form = dataSwingManager.createJFeaturesForm(featureStore);

            form.setQuery(query);

            form.showForm(WindowManager.MODE.WINDOW);

        } catch (Exception ex) {

            LOGGER.warn("Can't show form", ex);

        } finally {

            this.setEnabled(true);

        }

    }

    @Override

    public void valueChanged(ListSelectionEvent e) {

        if (e.getValueIsAdjusting()) {

            return;

        }

        if (this.context.getSelectedsCount()== 0) {

            this.setEnabled(true);

            return;

        }

        this.setEnabled(showFormSingleElement);

    }

}