[Schmitzm-commits] r133 - trunk/src/schmitzm/jfree

[scm-commit@wald.intevation.org]

Author: alfonx
Date: 2009-05-30 22:18:07 +0200 (Sat, 30 May 2009)
New Revision: 133

Modified:
   trunk/src/schmitzm/jfree/JFreeChartUtil.java
Log:

  /**
   * @returns all {@link DatasetSelectionModel DatasetSelectionModels} that can be reached via the renderers of this chart. 
   */
public static List<DatasetSelectionModel<?>> getDatasetSelectionModelFor(JFreeChart chart) {
	ArrayList<DatasetSelectionModel<?>> renderers = new ArrayList<DatasetSelectionModel<?>>();
	
	

Modified: trunk/src/schmitzm/jfree/JFreeChartUtil.java
===================================================================
--- trunk/src/schmitzm/jfree/JFreeChartUtil.java	2009-05-30 20:02:25 UTC (rev 132)
+++ trunk/src/schmitzm/jfree/JFreeChartUtil.java	2009-05-30 20:18:07 UTC (rev 133)
@@ -24,6 +24,7 @@
 import org.jfree.chart.axis.NumberAxis;
 import org.jfree.chart.labels.StandardXYToolTipGenerator;
 import org.jfree.chart.labels.XYToolTipGenerator;
+import org.jfree.chart.plot.Plot;
 import org.jfree.chart.plot.PlotOrientation;
 import org.jfree.chart.plot.XYPlot;
 import org.jfree.chart.renderer.xy.XYItemRenderer;
@@ -174,19 +175,27 @@
   }
 
   /**
-   * Returns all Rednerer
-   * @param chart
-   * @return
+   * @returns all {@link DatasetSelectionModel DatasetSelectionModels} that can be reached via the renderers of this chart. 
    */
 public static List<DatasetSelectionModel<?>> getDatasetSelectionModelFor(JFreeChart chart) {
 	ArrayList<DatasetSelectionModel<?>> renderers = new ArrayList<DatasetSelectionModel<?>>();
 	
-	for (int i = 0; i < chart.getXYPlot().getRendererCount(); i++) {
-		XYItemRenderer renderer = chart.getXYPlot().getRenderer(i);
-		if (renderer instanceof DatasetSelectionModelProvider){
-			renderers.add( ((DatasetSelectionModelProvider)renderer).getSelectionModel());
+	
+	Plot plot = chart.getPlot();
+	
+	if (plot instanceof XYPlot) {
+		XYPlot xyplot = (XYPlot)plot;
+
+		for (int i = 0; i < xyplot.getRendererCount(); i++) {
+			XYItemRenderer renderer = xyplot.getRenderer(i);
+			if (renderer instanceof DatasetSelectionModelProvider){
+				renderers.add( ((DatasetSelectionModelProvider)renderer).getSelectionModel());
+			}
 		}
 	}
+	
+	// TODO Other types of Charts have the renderers hidden somewhere else.
+	
 	return renderers;
 }