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/*******************************************************************************
* Copyright (c) 2000, 2006 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.cdt.internal.ui.filters;
import org.eclipse.cdt.core.model.ICElement;
import org.eclipse.cdt.internal.ui.util.StringMatcher;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.jface.viewers.ViewerFilter;
/**
* The NamePatternFilter selects the elements which
* match the given string patterns.
* <p>
* The following characters have special meaning:
* ? => any character
* * => any string
* </p>
*
* @since 2.0
*/
public class NamePatternFilter extends ViewerFilter {
private String[] fPatterns;
private StringMatcher[] fMatchers;
/**
* Return the currently configured StringMatchers.
*/
private StringMatcher[] getMatchers() {
return fMatchers;
}
/**
* Gets the patterns for the receiver.
*/
public String[] getPatterns() {
return fPatterns;
}
/* (non-Javadoc)
* Method declared on ViewerFilter.
*/
public boolean select(Viewer viewer, Object parentElement, Object element) {
String matchName= null;
if (element instanceof ICElement) {
matchName= ((ICElement) element).getElementName();
} else if (element instanceof IAdaptable) {
IAdaptable adaptable= (IAdaptable) element;
ICElement javaElement= (ICElement)adaptable.getAdapter(ICElement.class);
if (javaElement != null)
matchName= javaElement.getElementName();
else {
IResource resource= (IResource)adaptable.getAdapter(IResource.class);
if (resource != null)
matchName= resource.getName();
}
}
if (matchName != null) {
StringMatcher[] testMatchers= getMatchers();
for (int i = 0; i < testMatchers.length; i++) {
if (testMatchers[i].match(matchName))
return false;
}
return true;
}
return true;
}
/**
* Sets the patterns to filter out for the receiver.
* <p>
* The following characters have special meaning:
* ? => any character
* * => any string
* </p>
*/
public void setPatterns(String[] newPatterns) {
fPatterns = newPatterns;
fMatchers = new StringMatcher[newPatterns.length];
for (int i = 0; i < newPatterns.length; i++) {
//Reset the matchers to prevent constructor overhead
fMatchers[i]= new StringMatcher(newPatterns[i], true, false);
}
}
}
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