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timeline handle null cond

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adam-m 2013-05-10 13:00:12 -04:00
parent 1c39037da2
commit d06d38972c
1 changed files with 5 additions and 2 deletions
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Timeline/src/org/sleuthkit/autopsy/timeline/Timeline.java
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@ -355,11 +355,14 @@ public class Timeline extends CallableSystemAction implements Presenter.Toolbar,
//After the series are created, 1 or more series are packaged into a single chart. //After the series are created, 1 or more series are packaged into a single chart.
ObservableList<BarChart.Series<String, Number>> bcData = FXCollections.observableArrayList(); ObservableList<BarChart.Series<String, Number>> bcData = FXCollections.observableArrayList();
BarChart.Series<String, Number> se = new BarChart.Series<String, Number>(); BarChart.Series<String, Number> se = new BarChart.Series<String, Number>();
if (allYears != null) {
for (final YearEpoch ye : allYears) { for (final YearEpoch ye : allYears) {
se.getData().add(new BarChart.Data<String, Number>(String.valueOf(ye.year), ye.getNumFiles())); se.getData().add(new BarChart.Data<String, Number>(String.valueOf(ye.year), ye.getNumFiles()));
} }
}
bcData.add(se); bcData.add(se);
//Note: //Note:
// BarChart.Data wraps the Java Nodes class. BUT, until a BarChart.Data gets added to an actual series, it's node is null, and you can perform no operations on it. // BarChart.Data wraps the Java Nodes class. BUT, until a BarChart.Data gets added to an actual series, it's node is null, and you can perform no operations on it.
// When the Data is added to a series(or a chart? I am unclear on where), a node is automaticaly generated for it, after which you can perform any of the operations it offers. // When the Data is added to a series(or a chart? I am unclear on where), a node is automaticaly generated for it, after which you can perform any of the operations it offers.