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: 
gernotbelger@9190: import java.util.ArrayList;
ingo@275: import java.util.List;
sascha@2931: import java.util.MissingResourceException;
ingo@275: 
gernotbelger@9190: import org.dive4elements.river.client.client.Config;
gernotbelger@9190: import org.dive4elements.river.client.client.FLYSConstants;
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;
ingo@275: 
gernotbelger@9190: import com.google.gwt.core.client.GWT;
gernotbelger@9190: import com.smartgwt.client.types.Alignment;
gernotbelger@9190: import com.smartgwt.client.widgets.Canvas;
gernotbelger@9190: import com.smartgwt.client.widgets.Label;
gernotbelger@9190: import com.smartgwt.client.widgets.form.DynamicForm;
gernotbelger@9190: import com.smartgwt.client.widgets.form.fields.FormItem;
gernotbelger@9190: import com.smartgwt.client.widgets.form.fields.TextAreaItem;
gernotbelger@9190: import com.smartgwt.client.widgets.layout.HLayout;
gernotbelger@9190: import com.smartgwt.client.widgets.layout.VLayout;
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: 
gernotbelger@9190:     private static final String LABEL_URL_SEPARATOR = ";";// always sync with server (InundationDurationState)
gernotbelger@9190:     /** The message class that provides i18n strings. */
ingo@275:     protected FLYSConstants MSG = GWT.create(FLYSConstants.class);
ingo@275: 
gernotbelger@9190:     protected Collection c;
ingo@275:     protected List<ExportMode> exports;
ingo@275: 
gernotbelger@9190:     /** This layout will store a list of available export types. */
ingo@275:     protected HLayout container;
ingo@275: 
gernotbelger@9190:     public ExportPanel(final Collection c, final List<ExportMode> exports) {
ingo@275:         super();
ingo@275: 
gernotbelger@9190:         this.c = c;
gernotbelger@9190:         this.exports = exports;
ingo@275:         this.container = new HLayout();
ingo@275: 
gernotbelger@9190:         final Label title = new Label(this.MSG.dataexport());
ingo@275:         title.setHeight(15);
ingo@275:         title.setStyleName("fontNormalSmallUnderlined");
ingo@275: 
ingo@275:         addMember(title);
ingo@275:         addMember(createExportItems());
gernotbelger@9190:         addMember(createVlayoutExportItems());
ingo@277:         setHeight(45);
ingo@275:         setMembersMargin(5);
ingo@275:     }
ingo@275: 
gernotbelger@9190:     private VLayout createVlayoutExportItems() {
gernotbelger@9190:         final VLayout layout = new VLayout();
gernotbelger@9190:         final DynamicForm form1 = new DynamicForm();
gernotbelger@9190:         form1.setColWidths("10%");
gernotbelger@9190:         form1.setWidth(400);
gernotbelger@9190:         form1.setAlign(Alignment.LEFT);
gernotbelger@9190:         final List<FormItem> items = new ArrayList<FormItem>();
gernotbelger@9190:         for (final ExportMode mode : this.exports) {
gernotbelger@9190:             final String name = mode.getName();
gernotbelger@9190:             final List<Facet> facets = mode.getFacets();
gernotbelger@9190: 
gernotbelger@9190:             for (int i = 0; i < facets.size(); i++) {
gernotbelger@9190:                 final Facet facet = facets.get(i);
gernotbelger@9190:                 final String facetName = facet.getName();
gernotbelger@9190: 
gernotbelger@9190:                 if (!facetName.equals("wms_url"))
gernotbelger@9190:                     continue;
gernotbelger@9190:                 if ("wms_url".equals(facetName))
gernotbelger@9190:                     items.add(createUrlLine(facet.getDescription(), i));
gernotbelger@9190:             }
gernotbelger@9190:         }
gernotbelger@9190:         form1.setFields(items.toArray(new FormItem[items.size()]));
gernotbelger@9190:         layout.addMember(form1);
gernotbelger@9190:         return layout;
gernotbelger@9190:     }
gernotbelger@9190: 
gernotbelger@9190:     private FormItem createUrlLine(final String labelAndUrl, final int count) {
gernotbelger@9190: 
gernotbelger@9190:         final String[] labelAndurlSplit = labelAndUrl.split(LABEL_URL_SEPARATOR);
gernotbelger@9190:         if (labelAndurlSplit.length == 2) {
gernotbelger@9190: 
gernotbelger@9190:             final TextAreaItem label = new TextAreaItem();
gernotbelger@9190:             label.setTitle(labelAndurlSplit[0]);
gernotbelger@9190: 
gernotbelger@9190:             label.setWrapTitle(true);
gernotbelger@9190:             label.setTitleColSpan(3);
gernotbelger@9190:             label.setColSpan(7);
gernotbelger@9190:             label.setWidth(250);
gernotbelger@9190: 
gernotbelger@9190:             label.setTitleAlign(Alignment.LEFT);
gernotbelger@9190: 
gernotbelger@9190:             label.setValue(labelAndurlSplit[1]);
gernotbelger@9190:             label.setCanEdit(false);
gernotbelger@9190: 
gernotbelger@9190:             return label;
gernotbelger@9190:         }
gernotbelger@9190:         return null;
gernotbelger@9190:     }
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() {
gernotbelger@9190:         final HLayout layout = new HLayout();
ingo@275: 
gernotbelger@9190:         for (final ExportMode mode : this.exports) {
gernotbelger@9190:             final String name = mode.getName();
gernotbelger@9190:             final List<Facet> facets = mode.getFacets();
ingo@275: 
gernotbelger@9190:             for (final Facet facet : facets) {
gernotbelger@9190:                 final String facetName = facet.getName();
gernotbelger@9190: 
gernotbelger@9190:                 if (name.equals("fix_wq_curve_at_export"))
raimund@3525:                     continue;
gernotbelger@9190: 
rrenkert@4912:                 String filename = name;
gernotbelger@9190:                 if (name.equals("computed_dischargecurve_at_export"))
rrenkert@4912:                     filename = "dischargecurve";
gernotbelger@9190: 
gernotbelger@9190:                 if ("wms_url".equals(facetName))
gernotbelger@9190:                     continue;
gernotbelger@9190: 
gernotbelger@9190:                 layout.addMember(createExportButton(name, facetName, filename));
ingo@275:             }
ingo@275:         }
ingo@275: 
ingo@275:         return layout;
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:      *
gernotbelger@9190:      * @param name
gernotbelger@9190:      *            The name of the export.
gernotbelger@9190:      * @param facet
gernotbelger@9190:      *            The name of the export type (e.g. CSV, WST).
ingo@275:      *
ingo@275:      * @return an image with click handler.
ingo@275:      */
gernotbelger@9190:     protected Canvas createExportButton(final String name, final String facet, final String filename) {
gernotbelger@9190:         String url = getExportUrl(name, facet, filename);
rrenkert@5144:         String imgUrl = GWT.getHostPageBaseURL();
rrenkert@5144:         if (facet.equals("pdf")) {
gernotbelger@9190:             imgUrl += this.MSG.downloadPDF();
gernotbelger@9190:         } else if (facet.equals("at")) {
gernotbelger@9190:             imgUrl += this.MSG.downloadAT();
gernotbelger@9190:         } else if (facet.equals("wst")) {
gernotbelger@9190:             imgUrl += this.MSG.downloadWST();
gernotbelger@9190:         } else if (facet.equals("csv")) {
gernotbelger@9190:             url += "&encoding=UTF-8";
gernotbelger@9190:             imgUrl += this.MSG.downloadCSV();
gernotbelger@9190:         } else {
gernotbelger@9190:             imgUrl += this.MSG.imageSave();
rrenkert@5144:         }
gernotbelger@9190:         final 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:      * Creates the URL used to trigger an export.
ingo@275:      *
gernotbelger@9190:      * @param name
gernotbelger@9190:      *            The name of the export.
gernotbelger@9190:      * @param facet
gernotbelger@9190:      *            The name of the export type (e.g. CSV, WST).
ingo@275:      *
ingo@275:      * @return the export URL.
ingo@275:      */
gernotbelger@9190:     protected String getExportUrl(final String name, final String facet, final String filename) {
gernotbelger@9190:         final Config config = Config.getInstance();
ingo@275: 
ingo@275:         String url = GWT.getModuleBaseURL();
ingo@275:         url += "export";
gernotbelger@9190:         url += "?uuid=" + this.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:      * Creates a text used as tooltip for a specific export and type.
ingo@433:      *
gernotbelger@9190:      * @param name
gernotbelger@9190:      *            The name of the export.
gernotbelger@9190:      * @param facet
gernotbelger@9190:      *            The name of the export type (e.g. CSV, WST).
ingo@433:      *
ingo@433:      * @return a tooltip text.
ingo@433:      */
gernotbelger@9190:     protected String getTooltipText(final String name, final String facet) {
sascha@2931:         try {
gernotbelger@9190:             return this.MSG.getString(name) + " | " + this.MSG.getString(facet);
sascha@2931:         }
gernotbelger@9190:         catch (final 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 :