#30 add own label provider to have carriage return

[Raphael Ackermann]

it only shows question mark "proxy" pics

[Raphael Ackermann]

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don't subclass GraphModelFactory anymore and move the
relevant code to a CallGraphLabelProvider. so that the label
provider returns the appropriate text.

String label = getLabelProvider().getText(data);
if (data instanceof IJavaElement) {
IJavaElement jElement = (IJavaElement) data;
label =
jElement.getParent().getElementName().concat("\n").concat(label);
}
GraphModelNode node = new GraphModelNode(model, label,
labelProvider.getImage(data), data);

[Raphael Ackermann]

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user_id=797032

cannot easily subclass WorkbenchLabelProvider as its
getText() method is final and cannot be overridden.

could just copy all of it, but uses one internal class. hm.

could use proxy pattern