# HG changeset patch
# User Felix Wolfsteller <felix.wolfsteller@intevation.de>
# Date 1346254010 0
# Node ID 5e505060a9bf9b624f92d19534cb08e62dcdc221
# Parent  6772e9f9b65f7f4a90fcd9a16dc4627ff54494c1
Enable logo rendering in timeseries charts.

flys-artifacts/trunk@5298 c6561f87-3c4e-4783-a992-168aeb5c3f6f

diff -r 6772e9f9b65f -r 5e505060a9bf flys-artifacts/ChangeLog
--- a/flys-artifacts/ChangeLog	Wed Aug 29 14:43:26 2012 +0000
+++ b/flys-artifacts/ChangeLog	Wed Aug 29 15:26:50 2012 +0000
@@ -1,3 +1,8 @@
+2012-08-29	Felix Wolfsteller	<felix.wolfsteller@intevation.de>
+
+	* src/main/java/de/intevation/flys/exports/TimeseriesChartGenerator.java:
+	  Copy and slightly modified XYChartGenerators logo mechanism.
+
 2012-08-29	Felix Wolfsteller	<felix.wolfsteller@intevation.de>
 
 	* src/main/java/de/intevation/flys/exports/LongitudinalSectionGenerator.java,
diff -r 6772e9f9b65f -r 5e505060a9bf flys-artifacts/src/main/java/de/intevation/flys/exports/TimeseriesChartGenerator.java
--- a/flys-artifacts/src/main/java/de/intevation/flys/exports/TimeseriesChartGenerator.java	Wed Aug 29 14:43:26 2012 +0000
+++ b/flys-artifacts/src/main/java/de/intevation/flys/exports/TimeseriesChartGenerator.java	Wed Aug 29 15:26:50 2012 +0000
@@ -16,9 +16,13 @@
 import java.util.List;
 import java.util.Map;
 
+import javax.swing.ImageIcon;
+
 import org.apache.log4j.Logger;
 import org.jfree.chart.ChartFactory;
 import org.jfree.chart.JFreeChart;
+import org.jfree.chart.annotations.XYAnnotation;
+import org.jfree.chart.annotations.XYImageAnnotation;
 import org.jfree.chart.annotations.XYTextAnnotation;
 import org.jfree.chart.axis.ValueAxis;
 import org.jfree.chart.plot.Marker;
@@ -172,16 +176,13 @@
     private static final Logger logger =
         Logger.getLogger(TimeseriesChartGenerator.class);
 
-
     public static final int AXIS_SPACE = 5;
 
-
     protected Map<Integer, Bounds> xBounds;
 
     protected Map<Integer, Bounds> yBounds;
 
 
-
     /**
      * The default constructor that initializes internal datastructures.
      */
@@ -225,11 +226,135 @@
 
         applySeriesAttributes(plot);
         addAnnotationsToRenderer(plot);
+        addLogo(plot);
         aggregateLegendEntries(plot);
         return chart;
     }
 
 
+    /**
+     * Return left most data points x value (on first axis).
+     * Shortcut, especially to be overridden in (LS) charts where
+     * axis could be inverted.
+     */
+    protected double getLeftX() {
+        return (Long)getXBounds(0).getLower();
+    }
+
+
+    /**
+     * Return right most data points x value (on first axis).
+     * Shortcut, especially to be overridden in (LS) charts where
+     * axis could be inverted.
+     */
+    protected double getRightX() {
+        return (Long)getXBounds(0).getUpper();
+    }
+
+
+    /**
+     * Add a logo as background annotation to plot.
+     * Copy from XYChartGenerator.
+     */
+    protected void addLogo(XYPlot plot) {
+        String logo = showLogo();
+        if (logo  == null) {
+            logger.debug("No logo to show chosen");
+            return;
+        }
+
+        ImageIcon imageIcon = null; 
+        if (logo.equals("none")) {
+            return;
+        }
+        if (logo.equals("Intevation")) {
+            imageIcon = new ImageIcon("/home/felix/Downloads/intevation_logo_120.png");
+        }
+        else { // TODO else if ...
+            imageIcon = new ImageIcon("/home/felix/Downloads/bfg_logo.gif");
+        }
+
+        double xPos = 0d, yPos = 0d;
+
+        String placeh = logoHPlace();
+        String placev = logoVPlace();
+
+        if (placev == null || placev.equals("none")) {
+            placev = "top";
+        }
+        if (placev.equals("top")) {
+            yPos = (Double)getYBounds(0).getUpper();
+        }
+        else if (placev.equals("bottom")) {
+            yPos = (Double)getYBounds(0).getLower();
+        }
+        else if (placev.equals("center")) {
+            yPos = ((Double)getYBounds(0).getUpper() + (Double)getYBounds(0).getLower())/2d;
+        }
+        else {
+            logger.debug("Unknown place-v value: " + placev);
+        }
+
+        if (placeh == null || placeh.equals("none")) {
+            placeh = "center";
+        }
+        if (placeh.equals("left")) {
+            xPos = getLeftX();
+        }
+        else if (placeh.equals("right")) {
+            xPos = getRightX();
+        }
+        else if (placeh.equals("center")) {
+            xPos = ((Double)getXBounds(0).getUpper() + (Double)getXBounds(0).getLower())/2d;
+        }
+        else {
+            logger.debug("Unknown place-h value: " + placeh);
+        }
+
+        logger.debug("logo position: " + xPos + "/" + yPos);
+
+        org.jfree.ui.RectangleAnchor anchor
+            = org.jfree.ui.RectangleAnchor.TOP;
+        if (placev.equals("top")) {
+            if (placeh.equals("left")) {
+                anchor = org.jfree.ui.RectangleAnchor.TOP_LEFT;
+            }
+            else if (placeh.equals("right")) {
+                anchor = org.jfree.ui.RectangleAnchor.TOP_RIGHT;
+            }
+            else if (placeh.equals("center")) {
+                anchor = org.jfree.ui.RectangleAnchor.TOP;
+            }
+        }
+        else if (placev.equals("bottom")) {
+            if (placeh.equals("left")) {
+                anchor = org.jfree.ui.RectangleAnchor.BOTTOM_LEFT;
+            }
+            else if (placeh.equals("right")) {
+                anchor = org.jfree.ui.RectangleAnchor.BOTTOM_RIGHT;
+            }
+            else if (placeh.equals("center")) {
+                anchor = org.jfree.ui.RectangleAnchor.BOTTOM;
+            }
+        }
+        else if (placev.equals("center")) {
+            if (placeh.equals("left")) {
+                anchor = org.jfree.ui.RectangleAnchor.LEFT;
+            }
+            else if (placeh.equals("right")) {
+                anchor = org.jfree.ui.RectangleAnchor.RIGHT;
+            }
+            else if (placeh.equals("center")) {
+                anchor = org.jfree.ui.RectangleAnchor.CENTER;
+            }
+        }
+
+        XYAnnotation xyannotation =
+            new XYImageAnnotation(xPos, yPos, imageIcon.getImage(), anchor); 
+        plot.getRenderer().addAnnotation(xyannotation, org.jfree.ui.Layer.BACKGROUND); 
+    }
+
+
     @Override
     protected Series getSeriesOf(XYDataset dataset, int idx) {
         return ((TimeSeriesCollection) dataset).getSeries(idx);