ingo@275: package de.intevation.flys.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: 
ingo@275: import de.intevation.flys.client.shared.model.Collection;
ingo@275: import de.intevation.flys.client.shared.model.ExportMode;
ingo@275: import de.intevation.flys.client.shared.model.Facet;
ingo@275: import de.intevation.flys.client.client.Config;
ingo@275: import de.intevation.flys.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) {
ingo@275:                 layout.addMember(createExportButton(name, facet.getName()));
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:      */
ingo@275:     protected Canvas createExportButton(String name, String facet) {
ingo@275:         String url  = getExportUrl(name, facet);
ingo@275:         String iUrl = GWT.getHostPageBaseURL() + MSG.imageSave();
ingo@275: 
ingo@1343:         ImgLink link = new ImgLink(iUrl, 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:      */
ingo@275:     protected String getExportUrl(String name, String facet) {
ingo@275:         Config config = Config.getInstance();
ingo@275: 
ingo@275:         String url = GWT.getModuleBaseURL();
ingo@275:         url += "export";
ingo@275:         url += "?uuid=" + c.identifier();
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 :