/*******************************************************************************
* Copyright © 2000, 2013 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.edt.ide.ui.internal.contentassist.referencecompletion;
import java.util.ArrayList;
import java.util.List;
import org.eclipse.edt.compiler.core.ast.CaseStatement;
import org.eclipse.edt.compiler.core.ast.Node;
import org.eclipse.edt.ide.core.internal.errors.ParseStack;
import org.eclipse.edt.ide.ui.internal.contentassist.proposalhandlers.EGLDeclarationProposalHandler;
import org.eclipse.edt.ide.ui.internal.contentassist.proposalhandlers.EGLFunctionMemberSearchProposalHandler;
import org.eclipse.jface.text.ITextViewer;
public class EGLCaseStatementReferenceCompletion extends EGLAbstractReferenceCompletion {
/* (non-Javadoc)
* @see org.eclipse.edt.ide.ui.internal.contentassist.EGLAbstractReferenceCompletion#precompileContexts()
*/
protected void precompileContexts() {
addContext("package a; handler a function a() case ("); //$NON-NLS-1$
addContext("package a; handler a function a() case (a) when ("); //$NON-NLS-1$
}
/* (non-Javadoc)
* @see org.eclipse.edt.ide.ui.internal.contentassist.EGLAbstractReferenceCompletion#returnCompletionProposals(com.ibm.etools.egl.pgm.errors.ParseStack, java.util.List, org.eclipse.jface.text.ITextViewer, int)
*/
protected List returnCompletionProposals(ParseStack parseStack, final String prefix, final ITextViewer viewer, final int documentOffset) {
final List proposals = new ArrayList();
getBoundASTNode(viewer, documentOffset, new String[] {"", "x", "x) end", "x)"}, new CompletedNodeVerifier() {
public boolean nodeIsValid(Node astNode) {
while(astNode != null) {
if(astNode instanceof CaseStatement) {
return true;
}
astNode = astNode.getParent();
}
return false;
}
}, new IBoundNodeProcessor() {
public void processBoundNode(Node boundNode) {
//Get all variable proposals
proposals.addAll(
new EGLDeclarationProposalHandler(viewer,
documentOffset,
prefix,
boundNode)
.getProposals(boundNode));
//Get user function proposals with no return value
proposals.addAll(
new EGLFunctionMemberSearchProposalHandler(viewer, documentOffset, prefix, editor, true, boundNode).
getProposals());
}
});
return proposals;
}
}