# HG changeset patch
# User Björn Ricks <bjoern.ricks@intevation.de>
# Date 1350912180 -7200
# Node ID 1fa244f70ad52f7cb8d40dd435a1f7cc373ee30e
# Parent  221d255f7ec2b896c6d4e13e60a1e3ed4bba1d15
Move RiverInfoPanel to its own java file in refactor it

Allow to change the riverinfo without having to create a new instace of the
RiverInfoPanel.

diff -r 221d255f7ec2 -r 1fa244f70ad5 flys-client/src/main/java/de/intevation/flys/client/client/ui/GaugePanel.java
--- a/flys-client/src/main/java/de/intevation/flys/client/client/ui/GaugePanel.java	Mon Oct 22 15:20:33 2012 +0200
+++ b/flys-client/src/main/java/de/intevation/flys/client/client/ui/GaugePanel.java	Mon Oct 22 15:23:00 2012 +0200
@@ -142,70 +142,4 @@
         GWT.log("GaugePanel - show");
         this.sectionStack.setHidden(false);
     }
-
-    class RiverInfoPanel extends HorizontalPanel {
-
-        public final static int HEIGHT = 30;
-        public final static int BORDER_WIDTH = 3;
-        public final static int PADDING = 8;
-        public final static int MARGIN = 10;
-
-        public RiverInfoPanel(RiverInfo riverinfo) {
-            setStyleName("riverinfopanel");
-            setHeight("" + HEIGHT + "px");
-            setVerticalAlignment(ALIGN_MIDDLE);
-
-            NumberFormat nf = NumberFormat.getDecimalFormat();
-
-            addLabel(riverinfo.getName(), false);
-
-            String kmtext = "";
-            Double start = riverinfo.getKmStart();
-            Double end = riverinfo.getKmEnd();
-
-            if (!riverinfo.isKmUp()) {
-                Double tmp = end;
-                end = start;
-                start = tmp;
-            }
-            if (end != null) {
-                kmtext += nf.format(end);
-                kmtext += " - ";
-            }
-            if (start != null) {
-                kmtext += nf.format(start);
-            }
-            kmtext += " km";
-
-            addLabel(kmtext, false);
-
-            String qtext = "";
-            Double qmin = riverinfo.getMinQ();
-            Double qmax = riverinfo.getMaxQ();
-            if (qmin != null) {
-                qtext += nf.format(qmin);
-                qtext += " " + MSG.gauge_q_unit();
-                qtext += " - ";
-            }
-            if (qmax != null) {
-                qtext += nf.format(qmax);
-                qtext += " " + MSG.gauge_q_unit();
-            }
-
-            addLabel(qtext, false);
-
-            Long number = riverinfo.getOfficialNumber();
-            String url = number != null ?
-                MSG.gauge_river_url() + number :
-                MSG.gauge_river_url();
-            Anchor anchor = new Anchor(MSG.gauge_river_info_link(), url, "_blank");
-            add(anchor);
-        }
-
-        private void addLabel(String text, boolean wordwrap) {
-            Label label = new Label(text, wordwrap);
-            add(label);
-            setCellHeight(label, "" + HEIGHT + "px");
-        }
-    }
 }
diff -r 221d255f7ec2 -r 1fa244f70ad5 flys-client/src/main/java/de/intevation/flys/client/client/ui/RiverInfoPanel.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/flys-client/src/main/java/de/intevation/flys/client/client/ui/RiverInfoPanel.java	Mon Oct 22 15:23:00 2012 +0200
@@ -0,0 +1,118 @@
+package de.intevation.flys.client.client.ui;
+
+import java.util.Iterator;
+
+import com.google.gwt.core.client.GWT;
+import com.google.gwt.i18n.client.NumberFormat;
+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.google.gwt.user.client.ui.Widget;
+
+import de.intevation.flys.client.client.FLYSConstants;
+
+import de.intevation.flys.client.shared.model.RiverInfo;
+
+/**
+ * @author <a href="mailto:bjoern.ricks@intevation.de">Björn Ricks</a>
+ */
+public class RiverInfoPanel extends HorizontalPanel {
+
+    /**
+     * Panel to display information about a river
+     */
+
+    /** The message class that provides i18n strings.*/
+    protected FLYSConstants MSG = GWT.create(FLYSConstants.class);
+
+    public final static int HEIGHT = 30;
+    public final static int BORDER_WIDTH = 3;
+    public final static int PADDING = 8;
+    public final static int MARGIN = 10;
+
+    public RiverInfoPanel(RiverInfo riverinfo) {
+        setStyleName("riverinfopanel");
+        setHeight("" + HEIGHT + "px");
+        setVerticalAlignment(ALIGN_MIDDLE);
+
+        setRiverInfo(riverinfo);
+    }
+
+    public void setRiverInfo(RiverInfo riverinfo) {
+        GWT.log("RiverInfoPanel - setRiverInfo");
+
+        NumberFormat nf = NumberFormat.getDecimalFormat();
+
+        removeAllLabels();
+
+        addLabel(riverinfo.getName(), false);
+
+        String kmtext = "";
+        Double start = riverinfo.getKmStart();
+        Double end = riverinfo.getKmEnd();
+
+        if (!riverinfo.isKmUp()) {
+            Double tmp = end;
+            end = start;
+            start = tmp;
+        }
+        if (end != null) {
+            kmtext += nf.format(end);
+            kmtext += " - ";
+        }
+        if (start != null) {
+            kmtext += nf.format(start);
+        }
+        kmtext += " km";
+
+        addLabel(kmtext, false);
+
+        String qtext = "";
+        Double qmin = riverinfo.getMinQ();
+        Double qmax = riverinfo.getMaxQ();
+        if (qmin != null) {
+            qtext += nf.format(qmin);
+            qtext += " " + MSG.gauge_q_unit();
+            qtext += " - ";
+        }
+        if (qmax != null) {
+            qtext += nf.format(qmax);
+            qtext += " " + MSG.gauge_q_unit();
+        }
+
+        addLabel(qtext, false);
+
+        Long number = riverinfo.getOfficialNumber();
+        String url = number != null ?
+            MSG.gauge_river_url() + number :
+            MSG.gauge_river_url();
+        Anchor anchor = new Anchor(MSG.gauge_river_info_link(), url, "_blank");
+        add(anchor);
+    }
+
+    public static int getStaticHeight() {
+        return RiverInfoPanel.HEIGHT +
+            (2 * RiverInfoPanel.BORDER_WIDTH) +
+            (2 * RiverInfoPanel.PADDING) +
+            (2 * RiverInfoPanel.MARGIN);
+    }
+
+    private void addLabel(String text, boolean wordwrap) {
+        Label label = new Label(text, wordwrap);
+        add(label);
+        setCellHeight(label, "" + HEIGHT + "px");
+    }
+
+    private void removeAllLabels() {
+        GWT.log("RiverInfoPanel - removeAllLabels");
+
+        Iterator<Widget> it = this.iterator();
+        while(it.hasNext()) {
+            it.next();
+            it.remove();
+        }
+        /* for (Widget wid: this) { */
+        /*     this.remove(wid); */
+        /* } */
+    }
+}