--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gwt-client/src/main/java/org/dive4elements/river/client/client/ui/ExportPanel.java	Thu Apr 25 15:23:37 2013 +0200
@@ -0,0 +1,168 @@
+package org.dive4elements.river.client.client.ui;
+
+import java.util.List;
+import java.util.MissingResourceException;
+
+import com.google.gwt.core.client.GWT;
+
+import com.smartgwt.client.widgets.Canvas;
+import com.smartgwt.client.widgets.Label;
+import com.smartgwt.client.widgets.layout.HLayout;
+import com.smartgwt.client.widgets.layout.VLayout;
+
+import org.dive4elements.river.client.shared.model.Collection;
+import org.dive4elements.river.client.shared.model.ExportMode;
+import org.dive4elements.river.client.shared.model.Facet;
+import org.dive4elements.river.client.client.Config;
+import org.dive4elements.river.client.client.FLYSConstants;
+
+
+/**
+ * A panel that displays an download icon for all available export modes of a
+ * Collection.
+ *
+ * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
+ */
+public class ExportPanel extends VLayout {
+
+    /** The message class that provides i18n strings.*/
+    protected FLYSConstants MSG = GWT.create(FLYSConstants.class);
+
+    protected Collection       c;
+    protected List<ExportMode> exports;
+
+    /** This layout will store a list of available export types.*/
+    protected HLayout container;
+
+
+    public ExportPanel(Collection c, List<ExportMode> exports) {
+        super();
+
+        this.c         = c;
+        this.exports   = exports;
+        this.container = new HLayout();
+
+        Label title = new Label(MSG.dataexport());
+        title.setHeight(15);
+        title.setStyleName("fontNormalSmallUnderlined");
+
+        addMember(title);
+        addMember(createExportItems());
+
+        setHeight(45);
+        setMembersMargin(5);
+    }
+
+
+    /**
+     * This method is used to create an item (created by createExportButton) for
+     * each facet for each export mode.
+     *
+     * @return a horizontal list of buttons.
+     */
+    protected HLayout createExportItems() {
+        HLayout layout = new HLayout();
+
+        for (ExportMode mode: exports) {
+            String      name   = mode.getName();
+            List<Facet> facets = mode.getFacets();
+
+            for (Facet facet: facets) {
+                if (name.equals("fix_wq_curve_at_export")) {
+                    continue;
+                }
+                String filename = name;
+                if (name.equals("computed_dischargecurve_at_export")) {
+                    filename = "dischargecurve";
+                }
+                layout.addMember(createExportButton(
+                    name,
+                    facet.getName(),
+                    filename));
+            }
+        }
+
+        return layout;
+    }
+
+
+    /**
+     * This method is used to create a button (with click handler) for a
+     * concrete export mode / type.
+     *
+     * @param name The name of the export.
+     * @param facet The name of the export type (e.g. CSV, WST).
+     *
+     * @return an image with click handler.
+     */
+    protected Canvas createExportButton(
+        String name,
+        String facet,
+        String filename
+    ) {
+        String url  = getExportUrl(name, facet, filename);
+        String imgUrl = GWT.getHostPageBaseURL();
+        if (facet.equals("pdf")) {
+            imgUrl += MSG.downloadPDF();
+        }
+        else if (facet.equals("at")) {
+            imgUrl += MSG.downloadAT();
+        }
+        else if (facet.equals("wst")) {
+            imgUrl += MSG.downloadWST();
+        }
+        else  if (facet.equals("csv")) {
+            imgUrl += MSG.downloadCSV();
+        }
+        else {
+            imgUrl += MSG.imageSave();
+        }
+        ImgLink link = new ImgLink(imgUrl, url, 30, 30);
+        link.setTooltip(getTooltipText(name, facet));
+
+        return link;
+    }
+
+
+    /**
+     * Creates the URL used to trigger an export.
+     *
+     * @param name The name of the export.
+     * @param facet The name of the export type (e.g. CSV, WST).
+     *
+     * @return the export URL.
+     */
+    protected String getExportUrl(String name, String facet, String filename) {
+        Config config = Config.getInstance();
+
+        String url = GWT.getModuleBaseURL();
+        url += "export";
+        url += "?uuid=" + c.identifier();
+        url += "&name=" + filename;
+        url += "&mode=" + name;
+        url += "&type=" + facet;
+        url += "&server=" + config.getServerUrl();
+        url += "&locale=" + config.getLocale();
+
+        return url;
+    }
+
+
+    /**
+     * Creates a text used as tooltip for a specific export and type.
+     *
+     * @param name The name of the export.
+     * @param facet The name of the export type (e.g. CSV, WST).
+     *
+     * @return a tooltip text.
+     */
+    protected String getTooltipText(String name, String facet) {
+        try {
+            return MSG.getString(name) + " | " + MSG.getString(facet);
+        }
+        catch (MissingResourceException mre) {
+            return name + " | " + facet;
+        }
+    }
+}
+// vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :