Class UAContentFilter
- java.lang.Object
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- org.eclipse.help.UAContentFilter
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public class UAContentFilter extends Object
This class provides the ability to filter out user assistance model elements that support filtering (e.g.
IToc
,ITopic
, ...). Implementations that display such elements should consult this class before attempting to display them.- Since:
- 3.2
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Constructor Summary
Constructors Constructor Description UAContentFilter()
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Method Summary
All Methods Static Methods Concrete Methods Modifier and Type Method Description static boolean
isFiltered(Object element)
Returns whether or not the given object should be filtered out.static boolean
isFiltered(Object element, IEvaluationContext context)
Returns whether or not the given object should be filtered out.
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Method Detail
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isFiltered
public static boolean isFiltered(Object element)
Returns whether or not the given object should be filtered out. This applies to any user assistance component's elements where filters apply (e.g. help tocs, topics, intro elements, context help topics). If the element is
null
or is not filterable, this method returnsfalse
.This method is for use in non-UI environments, when serving help outside the workbench. If filtering from the UI, use the
isFiltered
method that accepts the evaluation context as well.- Parameters:
element
- the element to check- Returns:
- whether or not the element should be filtered out
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isFiltered
public static boolean isFiltered(Object element, IEvaluationContext context)
Returns whether or not the given object should be filtered out. This applies to any user assistance component's elements where filters apply (e.g. help tocs, topics, intro elements, context help topics). If the element is
null
or is not filterable, this method returnsfalse
. The evaluation context provides the default object to test on and a set of variables that can be accessed.- Parameters:
element
- the element to checkcontext
- the evaluation context for evaluating expressions- Returns:
- whether or not the element should be filtered out
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