@Override
protected boolean isPreservedFilter(ViewerFilter filter) {
if (filter instanceof CoreExpressionFilter) {
CoreExpressionFilter expressionFilter = (CoreExpressionFilter) filter;
Set<String> preservedIds =
ContextUiPlugin.getDefault().getPreservedFilterIds(viewPart.getSite().getId());
if (!preservedIds.isEmpty()) {
try {
Expression expression2 = (Expression) filterExpressionField1.get(expressionFilter);
for (CommonFilterDescriptor commonFilterDescriptor : filterDescriptors) {
if (preservedIds.contains(commonFilterDescriptor.getId())) {
Expression expression1 =
(Expression) filterExpressionField2.get(commonFilterDescriptor);
if (expression1 != null && expression1.equals(expression2)) {
return true;
}
}
}
} catch (IllegalArgumentException e) {
StatusHandler.log(
new Status(
IStatus.ERROR,
ResourcesUiBridgePlugin.ID_PLUGIN,
"Could not determine filter",
e)); //$NON-NLS-1$
} catch (IllegalAccessException e) {
StatusHandler.log(
new Status(
IStatus.ERROR,
ResourcesUiBridgePlugin.ID_PLUGIN,
"Could not determine filter",
e)); //$NON-NLS-1$
}
}
}
return false;
}
