Application: gvSIG desktop

package org.gvsig.export.swing.impl.panels;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import java.util.List;

import java.util.function.Predicate;

import javax.swing.DefaultListModel;

import javax.swing.JComponent;

import javax.swing.JScrollPane;

import javax.swing.event.ListSelectionEvent;

import javax.swing.event.ListSelectionListener;

import org.apache.commons.lang3.StringUtils;

import org.gvsig.export.ExportLocator;

import org.gvsig.export.ExportParameters;

import org.gvsig.export.Filter;

import org.gvsig.export.spi.ExportServiceFactory;

import org.gvsig.export.swing.JExportProcessPanel;

import org.gvsig.export.swing.spi.ExportPanel;

import org.gvsig.export.swing.spi.ExportPanelValidationException;

import org.gvsig.tools.ToolsLocator;

import org.gvsig.tools.bookmarksandhistory.Bookmark;

import org.gvsig.tools.bookmarksandhistory.Bookmarks;

import org.gvsig.tools.bookmarksandhistory.History;

import org.gvsig.tools.i18n.I18nManager;

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

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

import org.gvsig.tools.swing.api.bookmarkshistory.ActionEventWithCurrentValue;

import static org.gvsig.tools.swing.api.bookmarkshistory.ActionEventWithCurrentValue.ID_GETVALUE;

import static org.gvsig.tools.swing.api.bookmarkshistory.ActionEventWithCurrentValue.ID_SETVALUE;

import org.gvsig.tools.swing.api.bookmarkshistory.BookmarksController;

import org.gvsig.tools.swing.api.bookmarkshistory.HistoryController;

import org.slf4j.Logger;

import org.slf4j.LoggerFactory;

/**

 *

 * @author jjdelcerro

 */

@SuppressWarnings("UseSpecificCatch")

public class SelectFormatPanel

        extends SelectFormatPanelView

        implements ExportPanel {

    private static final Logger LOG = LoggerFactory.getLogger(SelectFormatPanel.class);

    private final JExportProcessPanel processPanel;

    private final Filter<ExportServiceFactory> serviceFilter;

    private final ActionListener onExitPanel;

    private ExportParameters parameters;

    private BookmarksController<ExportParameters> bookmarksController;

    private HistoryController<ExportParameters> historyController;

    public SelectFormatPanel(

            JExportProcessPanel processPanel,

            ExportParameters parameters,

            Filter<ExportServiceFactory> serviceFilter,

            ActionListener onExitPanel

    ) {

        this.processPanel = processPanel;

        this.parameters = parameters;

        this.serviceFilter = serviceFilter;

        this.onExitPanel = onExitPanel;

        initComponents();

    }

    private void initComponents() {

        this.txtDescription.setBackground(this.lblEmpty.getBackground());

        this.txtDescription.setForeground(this.lblEmpty.getForeground());

        if (this.txtDescription.getParent().getParent() instanceof JScrollPane) {

            JScrollPane scrollPanel = (JScrollPane) this.txtDescription.getParent().getParent();

            scrollPanel.setBorder(null);

        }

        List<ExportServiceFactory> factories = ExportLocator.getServiceManager()

                .getServiceFactories(serviceFilter);

        DefaultListModel model = new DefaultListModel();

        for (ExportServiceFactory factory : factories) {

            model.addElement(new ListElement(factory.getLabel(), factory));

        }

        this.lstServices.setModel(model);

        this.lstServices.addListSelectionListener(new ListSelectionListener() {

            @Override

            public void valueChanged(ListSelectionEvent e) {

                if (e.getValueIsAdjusting()) {

                    return;

                }

                doUpdateDescription();

            }

        });

        Predicate<ExportParameters> filter = new Predicate<ExportParameters>() {

            @Override

            public boolean test(ExportParameters params) {

                if (params == null) {

                    return false;

                }

                ExportServiceFactory selectedService = getSelectedService();

                if (selectedService == null) {

                    return false;

                }

                String selectedServiceName = selectedService.getName();

                String paramsServiceName = params.getServiceName();

                return StringUtils.equals(paramsServiceName, selectedServiceName);

            }

        };

        ActionListener historyAndBookmarkListener = new ActionListener() {

            @Override

            public void actionPerformed(ActionEvent e) {

                ActionEventWithCurrentValue<ExportParameters> b = (ActionEventWithCurrentValue<ExportParameters>) e;

                switch (b.getID()) {

                    case ID_GETVALUE:

                        // Esta deshabilitado esta opcion

                        break;

                    case ID_SETVALUE:

                        if (b.getCurrentValue() == null) {

                            return;

                        }

                        ExportParameters exportParams;

                        try {

                            exportParams = b.getCurrentValue().clone();

                        } catch (Exception ex) {

                            LOG.warn("Not been able to clone export parameters", ex);

                            return;

                        }

                        setSelectedService(exportParams.getFactory());

                        processPanel.getProcess().setParameters(exportParams);

                        parameters = exportParams;

                        break;

                }

            }

        };

        Bookmarks<ExportParameters> bookmarks = ExportLocator.getManager().getBookmarks();

        this.bookmarksController = ToolsSwingLocator.getToolsSwingManager().createBookmarksController(bookmarks, this.btnBookmark);

        this.bookmarksController.setAllowAddBookmarks(false);

        this.bookmarksController.setFilter(new Predicate<Bookmark<ExportParameters>>() {

            @Override

            public boolean test(Bookmark<ExportParameters> bookmark) {

                ExportParameters params = bookmark.getValue();

                if (params == null) {

                    return false;

                }

                ExportServiceFactory selectedService = getSelectedService();

                if (selectedService == null) {

                    return true;

                }

                String selectedServiceName = selectedService.getName();

                String paramsServiceName = params.getServiceName();

                return StringUtils.equals(paramsServiceName, selectedServiceName);

            }

        });       

        this.bookmarksController.addActionListener(historyAndBookmarkListener);

        History<ExportParameters> history = ExportLocator.getManager().getHistory();

        this.historyController = ToolsSwingLocator.getToolsSwingManager().createHistoryController(history, this.btnHistory);

        this.historyController.setFilter(filter);

        this.historyController.addActionListener(historyAndBookmarkListener);

    }

    private void doUpdateDescription() {

        ExportServiceFactory factory = this.getSelectedService();

        if (factory == null) {

            return;

        }

        this.txtDescription.setText(factory.getDescription());

        this.processPanel.setButtonEnabled(JExportProcessPanel.BUTTON_NEXT, true);

    }

    @Override

    public String getIdPanel() {

        return "SelectFormatPanel";

    }

    @Override

    public String getTitlePanel() {

        I18nManager i18n = ToolsLocator.getI18nManager();

        return i18n.getTranslation("select_format_to_export");

    }

    @Override

    public boolean validatePanel() throws ExportPanelValidationException {

        I18nManager i18n = ToolsLocator.getI18nManager();

        ExportServiceFactory factory = this.getSelectedService();

        if (factory == null) {

            throw new ExportPanelValidationException(

                    i18n.getTranslation("_You_must_select_an_item_from_the_list_of-formats")

            );

        }

        return true;

    }

    @Override

    public void enterPanel() {

    }

    @Override

    public void previousPanel() {

    }

    @Override

    public void nextPanel() {

        this.onExitPanel.actionPerformed(new ActionEvent(this, 0, "exitPanel"));

//        ExportEntry currentEntry = this.exportationPanelParameters.getCurrentEntry();

//        if (currentEntry != null) {

//            ExportParameters exportParams = currentEntry.getParameters();

//            if (exportParams != null) {

//                this.processPanel.getProcess().setParameters(exportParams);

//            }

//        }

    }

    @Override

    public JComponent asJComponent() {

        return this;

    }

    public ExportServiceFactory getSelectedService() {

        ExportServiceFactory factory = (ExportServiceFactory) ListElement.getSelected(lstServices);

        return factory;

    }

    public void setSelectedService(ExportServiceFactory factory) {

        ListElement.setSelected(lstServices, factory);

    }

}