pypropertytester.java

来自「Python Development Environment (Python I」· Java 代码 · 共 40 行

package org.python.pydev.navigator.properties;

import org.eclipse.core.expressions.PropertyTester;
import org.eclipse.core.resources.IResource;
import org.python.pydev.navigator.elements.IWrappedResource;
import org.python.pydev.navigator.elements.PythonNode;

public class PyPropertyTester extends PropertyTester{

	/**
	 * Converts the given expected value to a <code>String</code>.
	 * 
	 * @param expectedValue
	 *            the expected value (may be <code>null</code>).
	 * @return the empty string if the expected value is <code>null</code>,
	 *         otherwise the <code>toString()</code> representation of the
	 *         expected value
	 */
	protected String toString(Object expectedValue) {
		return expectedValue == null ? "" : expectedValue.toString(); //$NON-NLS-1$
	}

	public boolean test(Object receiver, String property, Object[] args, Object expectedValue) {
		if(receiver instanceof IWrappedResource){
			if(receiver instanceof PythonNode){
				return false;//do not filter python nodes.
			}
			IWrappedResource resource = (IWrappedResource) receiver;
			IResource res = (IResource) resource.getAdapter(IResource.class);
			if(res != null){
				if (property.equals("name")) {
					return new StringMatcherSimple(toString(expectedValue)).match(res.getName());
				}
			}			
		}
		return false;
	}

}