# HG changeset patch
# User Ingo Weinzierl <ingo.weinzierl@intevation.de>
# Date 1305194369 0
# Node ID c271012a97a3cb7adfd3c2916cff67c21e74bba6
# Parent  b493d606fdef5a80b4cb92d1ed2ce5788c9873ff
ISSUE-15 The charts in the chart panel are requested with the size of the parent panel.

flys-client/trunk@1910 c6561f87-3c4e-4783-a992-168aeb5c3f6f

diff -r b493d606fdef -r c271012a97a3 flys-client/ChangeLog
--- a/flys-client/ChangeLog	Thu May 12 09:14:46 2011 +0000
+++ b/flys-client/ChangeLog	Thu May 12 09:59:29 2011 +0000
@@ -1,3 +1,11 @@
+2011-05-12  Ingo Weinzierl <ingo@intevation.de>
+
+	  ISSUE-15
+
+	* src/main/java/de/intevation/flys/client/client/ui/ChartOutputTab.java:
+	  After resizing the chart panel, the chart/image is replaced by a new
+	  chart with adjusted width and height (requested from server).
+
 2011-05-12  Ingo Weinzierl <ingo@intevation.de>
 
 	* src/main/java/de/intevation/flys/client/client/ui/ChartOutputTab.java:
diff -r b493d606fdef -r c271012a97a3 flys-client/src/main/java/de/intevation/flys/client/client/ui/ChartOutputTab.java
--- a/flys-client/src/main/java/de/intevation/flys/client/client/ui/ChartOutputTab.java	Thu May 12 09:14:46 2011 +0000
+++ b/flys-client/src/main/java/de/intevation/flys/client/client/ui/ChartOutputTab.java	Thu May 12 09:59:29 2011 +0000
@@ -12,10 +12,12 @@
 import com.smartgwt.client.widgets.layout.HLayout;
 import com.smartgwt.client.widgets.layout.VLayout;
 
-import com.smartgwt.client.widgets.events.ClickEvent;  
-import com.smartgwt.client.widgets.events.ClickHandler;  
-import com.smartgwt.client.widgets.events.CloseClickHandler;  
+import com.smartgwt.client.widgets.events.ClickEvent;
+import com.smartgwt.client.widgets.events.ClickHandler;
+import com.smartgwt.client.widgets.events.CloseClickHandler;
 import com.smartgwt.client.widgets.events.CloseClientEvent;
+import com.smartgwt.client.widgets.events.ResizedEvent;
+import com.smartgwt.client.widgets.events.ResizedHandler;
 
 import de.intevation.flys.client.shared.model.Collection;
 import de.intevation.flys.client.shared.model.OutputMode;
@@ -26,7 +28,10 @@
 /**
  * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
  */
-public class ChartOutputTab extends OutputTab {
+public class ChartOutputTab extends OutputTab implements ResizedHandler {
+
+    public static final int DEFAULT_CHART_WIDTH  = 600;
+    public static final int DEFAULT_CHART_HEIGHT = 500;
 
     /** The canvas that wraps the chart toolbar.*/
     protected Canvas tbarPanel;
@@ -83,6 +88,24 @@
         vLayout.addMember(hLayout);
 
         setPane(vLayout);
+
+        right.addResizedHandler(this);
+    }
+
+
+    /**
+     * This method is called after the chart panel has resized. It removes the
+     * chart - if existing - and requests a new one with adjusted size.
+     *
+     * @param event The resize event.
+     */
+    public void onResized(ResizedEvent event) {
+        Canvas[] children = right.getChildren();
+        for (Canvas child: children) {
+            right.removeChild(child);
+        }
+
+        right.addChild(createChartPanel(right.getWidth(), right.getHeight()));
     }
 
 
@@ -112,21 +135,27 @@
 
     protected void openDatacageWindow(Artifact artifact) {
         final DatacageWindow dc = new DatacageWindow(artifact);
-        dc.addCloseClickHandler(new CloseClickHandler() {  
-            public void onCloseClick(CloseClientEvent event) {  
-                dc.destroy();  
-            }  
+        dc.addCloseClickHandler(new CloseClickHandler() {
+            public void onCloseClick(CloseClientEvent event) {
+                dc.destroy();
+            }
         });
         dc.show();
     }
 
 
     protected Canvas createChartPanel() {
-        Img chart  = getChartImg();
+        return createChartPanel(DEFAULT_CHART_WIDTH, DEFAULT_CHART_HEIGHT);
+    }
+
+
+    protected Canvas createChartPanel(int width, int height) {
+        Img chart  = getChartImg(width, height);
         chart.setWidth100();
         chart.setHeight100();
 
         return chart;
+
     }
 
 
@@ -142,19 +171,25 @@
     /**
      * Builds the chart image and returns it.
      *
+     * @param width The chart width.
+     * @param height The chart height.
+     *
      * @return the chart image.
      */
-    protected Img getChartImg() {
-        return new Img(getImgUrl());
+    protected Img getChartImg(int width, int height) {
+        return new Img(getImgUrl(width, height));
     }
 
 
     /**
      * Builds the URL that points to the chart image.
      *
+     * @param width The width of the requested chart.
+     * @param height The height of the requested chart.
+     *
      * @return the URL to the chart image.
      */
-    protected String getImgUrl() {
+    protected String getImgUrl(int width, int height) {
         Config config = Config.getInstance();
 
         String imgUrl = GWT.getModuleBaseURL();
@@ -164,8 +199,8 @@
         imgUrl += "&server=" + config.getServerUrl();
         imgUrl += "&locale=" + config.getLocale();
         imgUrl += "&timestamp=" + new Date().getTime();
-        imgUrl += "&width=" + Integer.toString(600);
-        imgUrl += "&height=" + Integer.toString(500);
+        imgUrl += "&width=" + Integer.toString(width);
+        imgUrl += "&height=" + Integer.toString(height);
 
         return imgUrl;
     }