--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gwt-client/src/main/java/org/dive4elements/river/client/client/ui/stationinfo/InfoPanel.java	Thu Apr 25 15:23:37 2013 +0200
@@ -0,0 +1,140 @@
+package org.dive4elements.river.client.client.ui.stationinfo;
+
+import com.google.gwt.core.client.GWT;
+
+import com.smartgwt.client.types.Overflow;
+import com.smartgwt.client.widgets.Canvas;
+import com.smartgwt.client.widgets.layout.SectionStackSection;
+import com.smartgwt.client.widgets.layout.VLayout;
+import org.dive4elements.river.client.client.FLYSConstants;
+import org.dive4elements.river.client.client.services.RiverInfoService;
+import org.dive4elements.river.client.client.services.RiverInfoServiceAsync;
+import org.dive4elements.river.client.client.ui.RiverInfoPanel;
+import org.dive4elements.river.client.shared.model.DataList;
+import org.dive4elements.river.client.shared.model.RiverInfo;
+
+/**
+ * @author <a href="mailto:bjoern.ricks@intevation.de">Björn Ricks</a>
+ */
+public abstract class InfoPanel extends VLayout {
+
+    /** SectionStackSection where this InfoPanel belongs in*/
+    protected SectionStackSection section;
+
+    /** Name of the river */
+    protected String river;
+
+    /** The message class that provides i18n strings.*/
+    protected FLYSConstants MSG = GWT.create(FLYSConstants.class);
+
+    protected RiverInfoServiceAsync riverInfoService = GWT.create(RiverInfoService.class);
+
+    /** Panel to show the info about the river */
+    protected RiverInfoPanel riverinfopanel;
+
+    protected InfoListGrid listgrid;
+
+    public final static String SECTION_ID = "InfoPanelSection";
+
+    public InfoPanel(InfoListGrid listgrid) {
+        SectionStackSection section = new SectionStackSection();
+        section.setExpanded(false);
+        section.setTitle(getSectionTitle());
+        section.setName(SECTION_ID);
+        section.setID(SECTION_ID);
+
+        setOverflow(Overflow.HIDDEN);
+        setStyleName("infopanel");
+
+        section.setHidden(true);
+        section.setItems(this);
+        this.section = section;
+        this.listgrid = listgrid;
+        this.addMember(listgrid);
+    }
+
+    /**
+     * 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) {
+        this.listgrid.setData(data);
+    }
+
+    protected void render(RiverInfo riverinfo) {
+        if (this.riverinfopanel == null) {
+            this.riverinfopanel = new RiverInfoPanel(riverinfo);
+
+            this.addMember(this.riverinfopanel, 0);
+        }
+        else {
+            riverinfopanel.setRiverInfo(riverinfo);
+        }
+        this.listgrid.setRiverInfo(riverinfo);
+    }
+
+    /**
+     * Hide the section stack section.
+     */
+    @Override
+    public void hide() {
+        GWT.log("InfoPanel - hide");
+        this.section.setHidden(true);
+    }
+
+    /**
+     * Show the section stack section.
+     */
+    @Override
+    public void show() {
+        GWT.log("InfoPanel - 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;
+    }
+
+    protected 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);
+    }
+
+    protected abstract void refresh();
+
+    protected abstract String getSectionTitle();
+}