| Graph contains 4 marker lines, some not needed [message #1027927] |
Wed, 27 March 2013 12:00  |
Eclipse User |
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I'm currently using BIRT 3.7. I've got a report template that has 4 marker lines that are threshold lines. When the report is run, the query result may or may not contain all of these thresholds. Some may be null. In the case that the value is null, is there a way to not draw the line? In the template I have a working script that sets the value of each marker line under the use case where all marker lines contain valid values. importPackage(Packages.org.eclipse.birt.chart.model.data.impl);
function beforeDrawMarkerLine( axis, markerLine, context)
{
target = context.getExternalContext().getScriptable().getPersistentGlobalVariable("COUNTER");
if(target == 1)
{
target = context.getExternalContext().getScriptable().getPersistentGlobalVariable("MAX_THRESHOLD");
markerLine.setValue(NumberDataElementImpl.create(target));
markerLine.getLabel().getCaption().setValue("Max Red " + target);
context.getExternalContext().getScriptable().setPersistentGlobalVariable("COUNTER", "2");
}
else if(target == 2)
{
target = context.getExternalContext().getScriptable().getPersistentGlobalVariable("MIN_THRESHOLD");
markerLine.setValue(NumberDataElementImpl.create(target));
markerLine.getLabel().getCaption().setValue("Min Red " + target);
context.getExternalContext().getScriptable().setPersistentGlobalVariable("COUNTER", "3");
}
else if(target == 3)
{
/*
target = context.getExternalContext().getScriptable().getPersistentGlobalVariable("MAX_THRESHOLD_YELLOW");
markerLine.setValue(NumberDataElementImpl.create(target));
markerLine.getLabel().getCaption().setValue("Max Yellow " + target);*/
context.getExternalContext().getScriptable().setPersistentGlobalVariable("COUNTER", "4");
}
else
{
/*
target = context.getExternalContext().getScriptable().getPersistentGlobalVariable("MIN_THRESHOLD_YELLOW");
markerLine.setValue(NumberDataElementImpl.create(target));
markerLine.getLabel().getCaption().setValue("Min Yellow " + target);*/
context.getExternalContext().getScriptable().setPersistentGlobalVariable("COUNTER", "1");
}
}
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