org.isisaddons.wicket.excel.cpt.ui.CollectionContentsAsExcel Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of isis-wicket-excel-cpt Show documentation

A component for Apache Isis' Wicket viewer, allowing tables to be downloaded as Excel spreadsheets.

There is a newer version: 1.17.0

Show newest version

package org.isisaddons.wicket.excel.cpt.ui;

import de.agilecoders.wicket.core.markup.html.bootstrap.common.NotificationPanel;

import java.io.File;

import org.apache.wicket.extensions.ajax.markup.html.repeater.data.table.AjaxFallbackDefaultDataTable;
import org.apache.wicket.markup.head.IHeaderResponse;
import org.apache.wicket.markup.html.link.DownloadLink;
import org.apache.wicket.model.LoadableDetachableModel;

import org.apache.isis.viewer.wicket.model.models.EntityCollectionModel;
import org.apache.isis.viewer.wicket.ui.panels.PanelAbstract;
import org.apache.isis.viewer.wicket.ui.panels.PanelUtil;

/**
 * {@link PanelAbstract Panel} that represents a {@link EntityCollectionModel
 * collection of entity}s rendered using {@link AjaxFallbackDefaultDataTable}.
 */
public class CollectionContentsAsExcel extends PanelAbstract {

    private static final long serialVersionUID = 1L;

    private static final String ID_FEEDBACK = "feedback";
    private static final String ID_DOWNLOAD = "download";

    public CollectionContentsAsExcel(final String id, final EntityCollectionModel model) {
        super(id, model);

        buildGui();
    }

    private void buildGui() {

        final EntityCollectionModel model = getModel();
        
        final NotificationPanel feedback = new NotificationPanel(ID_FEEDBACK);
        feedback.setOutputMarkupId(true);
        addOrReplace(feedback);

        final LoadableDetachableModel fileModel = new ExcelFileModel(model);
        final String xlsxFileName = xlsxFileNameFor(model);
        final DownloadLink link = new ExcelFileDownloadLink(ID_DOWNLOAD, fileModel, xlsxFileName);
        
        addOrReplace(link);
    }

    private static String xlsxFileNameFor(final EntityCollectionModel model) {
        return model.getName().replaceAll(" ", "") + ".xlsx";
    }

    
    @Override
    protected void onModelChanged() {
        buildGui();
    }

    @Override
    public void renderHead(IHeaderResponse response) {
        super.renderHead(response);

        PanelUtil.renderHead(response, CollectionContentsAsExcel.class);
    }
}