/** Filters the list of elements according to the pattern entered into the text entry field. */
public void filter(boolean forceUpdate) {
int k = 0;
String text = fText.getText();
if (!forceUpdate && text.equals(fRememberedMatchText)) return;
fRememberedMatchText = text;
StringMatcher matcher = new StringMatcher(text + "*", fIgnoreCase, false); // $NON-NLS-1$
for (int i = 0; i < fElements.length; i++) {
if (matcher.match(fRenderedStrings[i])) {
fFilteredElements[k] = i;
k++;
}
}
fFilteredElements[k] = -1;
updateListWidget(fFilteredElements, k);
}
private boolean matchQualifiedName(ITypeInfo info) {
IQualifiedTypeName qualifiedName = info.getQualifiedTypeName();
if (fSegmentMatchers.length != qualifiedName.segmentCount()) return false;
if (fMatchGlobalNamespace) {
// must match global namespace (eg ::foo)
if (qualifiedName.segment(0).length() > 0) return false;
}
boolean matchFound = true;
int max = Math.min(fSegmentMatchers.length, qualifiedName.segmentCount());
for (int i = 0; i < max; ++i) {
StringMatcher matcher = fSegmentMatchers[i];
String name = qualifiedName.segment(i);
if (name == null || !matcher.match(name)) {
matchFound = false;
break;
}
}
return matchFound;
}
/*
* @see FilteredList.FilterMatcher#match(Object)
*/
public boolean match(Object element) {
if (!(element instanceof ITypeInfo)) return false;
ITypeInfo info = (ITypeInfo) element;
IQualifiedTypeName qualifiedName = info.getQualifiedTypeName();
if (fVisibleTypes != null && !fVisibleTypes.contains(new Integer(info.getCElementType())))
return false;
if (!fShowLowLevelTypes && qualifiedName.isLowLevel()) return false;
if (fSegmentMatchers.length == 1 && !fMatchGlobalNamespace)
return fNameMatcher.match(qualifiedName.getName());
return matchQualifiedName(info);
}