/*******************************************************************************
* Copyright (c) 2009 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
* Zend Technologies
*******************************************************************************/
package org.eclipse.php.internal.core.codeassist.contexts;
import org.eclipse.dltk.core.CompletionRequestor;
import org.eclipse.dltk.core.ISourceModule;
import org.eclipse.jface.text.BadLocationException;
import org.eclipse.php.internal.core.PHPCorePlugin;
import org.eclipse.php.internal.core.util.text.TextSequence;
/**
* This context represents the state when staying before extends/implements
* block for completion of 'extends' or 'implements' keywords. <br/>
* Example:
*
* <pre>
* class A |
* </pre>
*
* @author michael
*/
public class ClassDeclarationKeywordContext extends ClassDeclarationContext {
public boolean isValid(ISourceModule sourceModule, int offset, CompletionRequestor requestor) {
if (!super.isValid(sourceModule, offset, requestor)) {
return false;
}
TextSequence statementText = getStatementText();
statementText = statementText.subTextSequence(getTypeIdentifierEnd(), statementText.length());
if (!hasExtends() && !hasImplements()) { // the cursor position is right
// after the class name
return true;
}
if (!hasImplements()) { // check that the previous word is not a keyword
try {
String previousWord = getPreviousWord();
if (!"extends".equalsIgnoreCase(previousWord) //$NON-NLS-1$
&& !"implements".equalsIgnoreCase(previousWord)) { //$NON-NLS-1$
return true;
}
} catch (BadLocationException e) {
PHPCorePlugin.log(e);
}
}
return false;
}
}