--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/flys-client/src/main/java/de/intevation/flys/client/client/ui/sq/SQMultiPeriodPanel.java	Wed Jul 11 11:24:27 2012 +0000
@@ -0,0 +1,102 @@
+package de.intevation.flys.client.client.ui.sq;
+
+import com.google.gwt.json.client.JSONObject;
+import com.google.gwt.json.client.JSONNumber;
+import com.google.gwt.json.client.JSONString;
+
+import com.google.gwt.core.client.GWT;
+
+import com.smartgwt.client.types.Alignment;
+
+import com.smartgwt.client.widgets.Img;
+import com.smartgwt.client.widgets.Canvas;
+import com.smartgwt.client.widgets.layout.VLayout;
+import com.smartgwt.client.widgets.events.ResizedHandler;
+import com.smartgwt.client.widgets.events.ResizedEvent;
+
+import de.intevation.flys.client.client.ui.MultiPeriodPanel;
+
+import de.intevation.flys.client.shared.model.DataList;
+
+import de.intevation.flys.client.client.Config;
+/**
+ * This UIProvider creates helper panel for sq relation.
+ *
+ * @author <a href="mailto:raimund.renkert@intevation.de">Raimund Renkert</a>
+ */
+public class SQMultiPeriodPanel
+extends      MultiPeriodPanel
+implements   ResizedHandler
+{
+    protected VLayout chartContainer;
+
+    protected Img chartImg;
+
+    public SQMultiPeriodPanel() {
+        chartImg = new Img();
+    }
+
+
+    protected Canvas createHelper() {
+        Config config    = Config.getInstance();
+        String locale    = config.getLocale ();
+
+        chartContainer = new VLayout();
+        chartContainer.addResizedHandler(this);
+        chartContainer.setAlign(Alignment.CENTER);
+
+        return chartContainer;
+    }
+
+
+    protected void updateChart() {
+        Config config    = Config.getInstance();
+        String locale    = config.getLocale ();
+
+        int hWidth = chartContainer.getWidth() - 12;
+        int hHeight = chartContainer.getHeight() - 12;
+
+        if ((int)(hHeight *4f/3) < hWidth) {
+            hWidth = (int)(hHeight * 4f/3);
+        }
+        else {
+            hHeight = (int)(hWidth *3f/4);
+        }
+        String river = artifact.getArtifactDescription().getRiver();
+
+        JSONObject jfix = new JSONObject();
+        JSONObject jfilter = new JSONObject();
+        JSONObject jrName = new JSONObject();
+        JSONString jrValue = new JSONString(river);
+        JSONObject jextent = new JSONObject();
+        JSONNumber jwidth = new JSONNumber(hWidth);
+        JSONNumber jheight = new JSONNumber(hHeight);
+
+        jrName.put("name", jrValue);
+        jfilter.put("river", jrName);
+        jextent.put("width", jwidth);
+        jextent.put("height", jheight);
+        jfilter.put("extent", jextent);
+        jfix.put("sq", jfilter);
+        String filter = jfix.toString();
+
+        String imgUrl = GWT.getModuleBaseURL();
+        imgUrl += "sq-km-chart";
+        imgUrl += "?locale=" + locale;
+        imgUrl += "&filter=" + filter;
+        if (chartContainer.hasMember(chartImg)) {
+            chartImg.setWidth(hWidth);
+            chartImg.setHeight(hHeight);
+            chartImg.setSrc(imgUrl);
+        }
+        else {
+            chartImg = new Img(imgUrl, hWidth, hHeight);
+            chartContainer.addMember(chartImg);
+        }
+    }
+
+
+    public void onResized(ResizedEvent re) {
+        updateChart();
+    }
+}