--- a/flys-client/src/main/java/de/intevation/flys/client/client/ui/GaugePanel.java	Fri Oct 26 12:17:30 2012 +0200
+++ b/flys-client/src/main/java/de/intevation/flys/client/client/ui/GaugePanel.java	Fri Oct 26 12:19:54 2012 +0200
@@ -1,100 +1,30 @@
 package de.intevation.flys.client.client.ui;
 
 import com.google.gwt.core.client.GWT;
-import com.google.gwt.i18n.client.NumberFormat;
 import com.google.gwt.user.client.rpc.AsyncCallback;
-import com.google.gwt.user.client.ui.Anchor;
-import com.google.gwt.user.client.ui.HorizontalPanel;
-import com.google.gwt.user.client.ui.Label;
-
-import com.smartgwt.client.types.Overflow;
-import com.smartgwt.client.widgets.Canvas;
-import com.smartgwt.client.widgets.WidgetCanvas;
-import com.smartgwt.client.widgets.events.ResizedEvent;
-import com.smartgwt.client.widgets.events.ResizedHandler;
-import com.smartgwt.client.widgets.layout.SectionStackSection;
-import com.smartgwt.client.widgets.layout.VLayout;
-
 import de.intevation.flys.client.client.FLYS;
-import de.intevation.flys.client.client.FLYSConstants;
-import de.intevation.flys.client.client.services.RiverInfoService;
-import de.intevation.flys.client.client.services.RiverInfoServiceAsync;
-import de.intevation.flys.client.shared.model.DataList;
 import de.intevation.flys.client.shared.model.RiverInfo;
 
 /**
  * The GaugePanel is intended to be used within a SectionStackSection
- * It extends the VLayout by two methods to show and hide the
- * section stack section.
  *
  * @author <a href="mailto:bjoern.ricks@intevation.de">Björn Ricks</a>
  */
-public class GaugePanel extends VLayout implements ResizedHandler {
-
-    /** SectionStackSection where this GaugePanel belongs in*/
-    private SectionStackSection section;
-
-    /** Name of the river */
-    private String river;
-
-    /** The message class that provides i18n strings.*/
-    protected FLYSConstants MSG = GWT.create(FLYSConstants.class);
-
-    protected RiverInfoServiceAsync riverInfoService =
-        GWT.create(RiverInfoService.class);
-
-    protected GaugeTree gaugetree;
-    protected Canvas gaugetreecanvas;
-
-    protected RiverInfoPanel riverinfopanel;
-
-    public final static String SECTION_ID = "GaugePanelSection";
-    private final static String GAUGE_TREE_CANVAS_ID =
-        "GaugeTreeCanvas";
+public class GaugePanel extends InfoPanel {
 
     /**
-     * Creates a new VLayout with a SectionStackSection
-     * The GaugePanel's SectionStackSection is hidden by default.
+     * GaugePanel loads the GaugeInfo from the RiverInfoService and
+     * displays them in a tree underneath a RiverInfoPanel
      *
      * @param flys The FLYS object
-     * @param section The section stack section to place the VLayout in.
      */
     public GaugePanel(FLYS flys) {
-        SectionStackSection section = new SectionStackSection();
-        section.setExpanded(false);
-        section.setTitle(MSG.gaugePanelTitle());
-        section.setName(SECTION_ID);
-        section.setID(SECTION_ID);
-
-        gaugetree = new GaugeTree(flys);
-        gaugetreecanvas = new WidgetCanvas(gaugetree);
-        gaugetreecanvas.setID(GAUGE_TREE_CANVAS_ID);
-
-        setOverflow(Overflow.HIDDEN);
-        setStyleName("gaugepanel");
-
-        section.setHidden(true);
-        section.setItems(this);
-        this.section = section;
-
-        addResizedHandler(this);
+        super(new GaugeTree(flys));
     }
 
-    /**
-     * Sets and loads the river data if river is not the current set river
-     */
-    public void setRiver(String river) {
-        if (!river.equals(this.river)) {
-            this.river = river;
-            this.refresh();
-        }
-    }
-
-    /**
-     * Sets the data and closes not corresponding folds in the gauge tree
-     */
-    public void setData(DataList[] data) {
-        gaugetree.setData(data);
+    @Override
+    public String getSectionTitle() {
+        return MSG.gaugePanelTitle();
     }
 
     /**
@@ -112,96 +42,10 @@
             @Override
             public void onSuccess(RiverInfo riverinfo) {
                 GWT.log("Loaded river info");
-                renderGaugeOverviewInfo(riverinfo);
+                render(riverinfo);
                 expand();
             }
         });
     }
 
-    public void renderGaugeOverviewInfo(RiverInfo riverinfo) {
-        gaugetree.setGauges(riverinfo);
-
-        if (riverinfopanel == null) {
-            removeAllMembers();
-
-            riverinfopanel = new RiverInfoPanel(riverinfo);
-
-            addMember(riverinfopanel);
-            addMember(gaugetreecanvas);
-        }
-        else {
-            riverinfopanel.setRiverInfo(riverinfo);
-        }
-    }
-
-    @Override
-    public void onResized(ResizedEvent event) {
-        /* this height calculation is only an approximation and doesn't reflect
-         * the real height of the the gaugetree. */
-        int height = getInnerContentHeight() -
-            RiverInfoPanel.getStaticHeight();
-        int width = getInnerContentWidth();
-
-        if (height < 0) {
-            height = 0;
-        }
-
-        GWT.log("GaugePanel - onResize " + height);
-
-        gaugetree.setHeight("" + height + "px");
-        gaugetree.setWidth("" + width + "px");
-    }
-
-
-    /**
-     * Hide the section stack section.
-     */
-    @Override
-    public void hide() {
-        GWT.log("GaugePanel - hide");
-        this.section.setHidden(true);
-    }
-
-    /**
-     * Show the section stack section.
-     */
-    @Override
-    public void show() {
-        GWT.log("GaugePanel - show");
-        this.section.setHidden(false);
-    }
-
-    @Override
-    public void addMember(Canvas component) {
-        super.addMember(component);
-        expand();
-    }
-
-    @Override
-    public void removeMembers(Canvas[] components) {
-        super.removeMembers(components);
-        contract();
-    }
-
-    public SectionStackSection getSection() {
-        return this.section;
-    }
-
-    private void removeAllMembers() {
-        removeMembers(getMembers());
-    }
-
-    /**
-     * Expands the gauge section
-     */
-    public void expand() {
-        section.setExpanded(true);
-    }
-
-    /**
-     * Contracts/shrinks the expanded gauge section
-     */
-    public void contract() {
-        section.setExpanded(false);
-    }
 }