Using bar chart in GWT 2.x I can instantiate it just like the
tutorial, but when I try to change it with a draw method I get
nothing. What am I doing wrong?
private void randomData(BarChart bar) {
bar.draw( updateTable() );
}
private AbstractDataTable updateTable() {
// Underlying data
DataTable data = DataTable.create();
data.addColumn(ColumnType.STRING, "Item");
data.addColumn(ColumnType.NUMBER, "item per sec");
// now create some values
String message = "";
final int MAX_VALUE = 10;
int nit = Random.nextInt(MAX_VALUE) ;
int gnat = Random.nextInt(MAX_VALUE) ;
int pit = Random.nextInt(MAX_VALUE) ;
data.addRows(3);
data.setValue(0, 0, "Nits");
data.setValue(0, 1, nit);
data.setValue(1, 0, "Gnats");
data.setValue(1, 1, gnat);
data.setValue(2, 0, "Pits");
data.setValue(2, 1, pit);
message += nit + " valu " + nit + " other " + gnat;
//Window.alert(message);
return data;
}
}
//////////////////////
thanks.
John
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