teichmann@5861: /* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde
teichmann@5861:  * Software engineering by Intevation GmbH
teichmann@5861:  *
teichmann@5993:  * This file is Free Software under the GNU AGPL (>=v3)
teichmann@5861:  * and comes with ABSOLUTELY NO WARRANTY! Check out the
teichmann@5993:  * documentation coming with Dive4Elements River for details.
teichmann@5861:  */
teichmann@5861: 
teichmann@5835: package org.dive4elements.river.client.client.ui;
ingo@275: 
ingo@275: import java.util.List;
sascha@2931: import java.util.MissingResourceException;
ingo@275: 
ingo@275: import com.google.gwt.core.client.GWT;
ingo@275: 
ingo@275: import com.smartgwt.client.widgets.Canvas;
ingo@275: import com.smartgwt.client.widgets.Label;
ingo@275: import com.smartgwt.client.widgets.layout.HLayout;
ingo@275: import com.smartgwt.client.widgets.layout.VLayout;
ingo@275: 
teichmann@5835: import org.dive4elements.river.client.shared.model.Collection;
teichmann@5835: import org.dive4elements.river.client.shared.model.ExportMode;
teichmann@5835: import org.dive4elements.river.client.shared.model.Facet;
teichmann@5835: import org.dive4elements.river.client.client.Config;
teichmann@5835: import org.dive4elements.river.client.client.FLYSConstants;
ingo@275: 
ingo@275: 
ingo@275: /**
ingo@275:  * A panel that displays an download icon for all available export modes of a
ingo@275:  * Collection.
ingo@275:  *
ingo@275:  * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
ingo@275:  */
ingo@275: public class ExportPanel extends VLayout {
ingo@275: 
ingo@275:     /** The message class that provides i18n strings.*/
ingo@275:     protected FLYSConstants MSG = GWT.create(FLYSConstants.class);
ingo@275: 
ingo@275:     protected Collection       c;
ingo@275:     protected List<ExportMode> exports;
ingo@275: 
ingo@275:     /** This layout will store a list of available export types.*/
ingo@275:     protected HLayout container;
ingo@275: 
ingo@275: 
ingo@275:     public ExportPanel(Collection c, List<ExportMode> exports) {
ingo@275:         super();
ingo@275: 
ingo@275:         this.c         = c;
ingo@275:         this.exports   = exports;
ingo@275:         this.container = new HLayout();
ingo@275: 
ingo@275:         Label title = new Label(MSG.dataexport());
ingo@275:         title.setHeight(15);
ingo@275:         title.setStyleName("fontNormalSmallUnderlined");
ingo@275: 
ingo@275:         addMember(title);
ingo@275:         addMember(createExportItems());
ingo@275: 
ingo@277:         setHeight(45);
ingo@275:         setMembersMargin(5);
ingo@275:     }
ingo@275: 
ingo@275: 
ingo@275:     /**
ingo@275:      * This method is used to create an item (created by createExportButton) for
ingo@275:      * each facet for each export mode.
ingo@275:      *
ingo@275:      * @return a horizontal list of buttons.
ingo@275:      */
ingo@275:     protected HLayout createExportItems() {
ingo@275:         HLayout layout = new HLayout();
ingo@275: 
ingo@275:         for (ExportMode mode: exports) {
ingo@275:             String      name   = mode.getName();
ingo@275:             List<Facet> facets = mode.getFacets();
ingo@275: 
ingo@275:             for (Facet facet: facets) {
raimund@3525:                 if (name.equals("fix_wq_curve_at_export")) {
raimund@3525:                     continue;
raimund@3525:                 }
rrenkert@4912:                 String filename = name;
rrenkert@4912:                 if (name.equals("computed_dischargecurve_at_export")) {
rrenkert@4912:                     filename = "dischargecurve";
rrenkert@4912:                 }
rrenkert@4912:                 layout.addMember(createExportButton(
rrenkert@4912:                     name,
rrenkert@4912:                     facet.getName(),
rrenkert@4912:                     filename));
ingo@275:             }
ingo@275:         }
ingo@275: 
ingo@275:         return layout;
ingo@275:     }
ingo@275: 
ingo@275: 
ingo@275:     /**
ingo@275:      * This method is used to create a button (with click handler) for a
ingo@275:      * concrete export mode / type.
ingo@275:      *
ingo@275:      * @param name The name of the export.
ingo@275:      * @param facet The name of the export type (e.g. CSV, WST).
ingo@275:      *
ingo@275:      * @return an image with click handler.
ingo@275:      */
rrenkert@4912:     protected Canvas createExportButton(
rrenkert@4912:         String name,
rrenkert@4912:         String facet,
rrenkert@4912:         String filename
rrenkert@4912:     ) {
rrenkert@4912:         String url  = getExportUrl(name, facet, filename);
rrenkert@5144:         String imgUrl = GWT.getHostPageBaseURL();
rrenkert@5144:         if (facet.equals("pdf")) {
rrenkert@5144:             imgUrl += MSG.downloadPDF();
rrenkert@5144:         }
rrenkert@5144:         else if (facet.equals("at")) {
rrenkert@5144:             imgUrl += MSG.downloadAT();
rrenkert@5144:         }
rrenkert@5144:         else if (facet.equals("wst")) {
rrenkert@5144:             imgUrl += MSG.downloadWST();
rrenkert@5144:         }
rrenkert@5144:         else  if (facet.equals("csv")) {
felix@7140:             url += "&encoding=windows-1252";
rrenkert@5144:             imgUrl += MSG.downloadCSV();
rrenkert@5144:         }
rrenkert@5144:         else {
rrenkert@5144:             imgUrl += MSG.imageSave();
rrenkert@5144:         }
rrenkert@5144:         ImgLink link = new ImgLink(imgUrl, url, 30, 30);
ingo@1343:         link.setTooltip(getTooltipText(name, facet));
ingo@275: 
ingo@1343:         return link;
ingo@275:     }
ingo@275: 
ingo@275: 
ingo@275:     /**
ingo@275:      * Creates the URL used to trigger an export.
ingo@275:      *
ingo@275:      * @param name The name of the export.
ingo@275:      * @param facet The name of the export type (e.g. CSV, WST).
ingo@275:      *
ingo@275:      * @return the export URL.
ingo@275:      */
rrenkert@4912:     protected String getExportUrl(String name, String facet, String filename) {
ingo@275:         Config config = Config.getInstance();
ingo@275: 
ingo@275:         String url = GWT.getModuleBaseURL();
ingo@275:         url += "export";
ingo@275:         url += "?uuid=" + c.identifier();
rrenkert@4912:         url += "&name=" + filename;
ingo@275:         url += "&mode=" + name;
ingo@275:         url += "&type=" + facet;
ingo@275:         url += "&server=" + config.getServerUrl();
ingo@275:         url += "&locale=" + config.getLocale();
ingo@275: 
ingo@275:         return url;
ingo@275:     }
ingo@433: 
ingo@433: 
ingo@433:     /**
ingo@433:      * Creates a text used as tooltip for a specific export and type.
ingo@433:      *
ingo@433:      * @param name The name of the export.
ingo@433:      * @param facet The name of the export type (e.g. CSV, WST).
ingo@433:      *
ingo@433:      * @return a tooltip text.
ingo@433:      */
ingo@433:     protected String getTooltipText(String name, String facet) {
sascha@2931:         try {
sascha@2931:             return MSG.getString(name) + " | " + MSG.getString(facet);
sascha@2931:         }
sascha@2931:         catch (MissingResourceException mre) {
sascha@2931:             return name + " | " + facet;
sascha@2931:         }
ingo@433:     }
ingo@275: }
ingo@275: // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :