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/*******************************************************************************
* Copyright (c) 2006, 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
* Peter Friese <peter.friese@itemis.de> - bug 215314
*******************************************************************************/
package org.eclipse.pde.internal.ui.editor.contentassist;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.runtime.Assert;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.jdt.core.*;
import org.eclipse.jdt.internal.ui.text.java.AbstractJavaCompletionProposal;
import org.eclipse.jdt.internal.ui.text.java.ProposalInfo;
import org.eclipse.jface.text.*;
import org.eclipse.jface.text.contentassist.ICompletionProposalExtension4;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.graphics.Point;
public class TypeCompletionProposal extends AbstractJavaCompletionProposal implements ICompletionProposalExtension4 {
private static final class PDETypeProposalInfo extends ProposalInfo {
private IJavaProject fJavaProject;
private String fTypeName;
/**
* Creates a new proposal info.
*
* @param project the java project to reference when resolving types
* @param typeName the fully qualified type name
*/
public PDETypeProposalInfo(IJavaProject project, String typeName) {
fJavaProject = project;
fTypeName = typeName;
}
/*
* @see org.eclipse.jdt.internal.ui.text.java.ProposalInfo#getJavaElement()
*/
@Override
public IJavaElement getJavaElement() throws JavaModelException {
return fJavaProject.findType(fTypeName);
}
}
protected String fAdditionalInfo;
private boolean fProposalInfoComputed;
private IProject fProject;
private String fTypeName;
public TypeCompletionProposal(String replacementString, Image image, String displayString, int startOffset, int length, IProject project, String typeName) {
this(replacementString, image, displayString, startOffset, length);
fTypeName = typeName;
fProject = project;
}
public TypeCompletionProposal(String replacementString, Image image, String displayString, int startOffset, int length) {
Assert.isNotNull(replacementString);
setReplacementString(replacementString);
setReplacementOffset(startOffset);
setReplacementLength(length);
setDisplayString(displayString);
setImage(image);
}
/* (non-Javadoc)
* @see org.eclipse.jface.text.contentassist.ICompletionProposal#apply(org.eclipse.jface.text.IDocument)
*/
@Override
public void apply(ITextViewer viewer, char trigger, int stateMask, int offset) {
IDocument document = viewer.getDocument();
if (getReplacementLength() == -1) {
setReplacementLength(document.getLength());
}
try {
document.replace(getReplacementOffset(), getReplacementLength(), getReplacementString());
} catch (BadLocationException e) {
// DEBUG
// e.printStackTrace();
}
}
/* (non-Javadoc)
* @see org.eclipse.jface.text.contentassist.ICompletionProposal#getSelection(org.eclipse.jface.text.IDocument)
*/
@Override
public Point getSelection(IDocument document) {
if (getReplacementString().equals("\"\"")) //$NON-NLS-1$
return new Point(getReplacementOffset() + 1, 0);
return new Point(getReplacementOffset() + getReplacementString().length(), 0);
}
/*
* @see org.eclipse.jface.text.contentassist.ICompletionProposalExtension5#getAdditionalProposalInfo(org.eclipse.core.runtime.IProgressMonitor)
*/
@Override
public Object getAdditionalProposalInfo(IProgressMonitor monitor) {
if (fAdditionalInfo != null)
return fAdditionalInfo;
return super.getAdditionalProposalInfo(monitor);
}
public void setAdditionalProposalInfo(String info) {
fAdditionalInfo = info;
}
/* (non-Javadoc)
* @see org.eclipse.jface.text.contentassist.ICompletionProposalExtension4#isAutoInsertable()
*/
public boolean isAutoInsertable() {
return true;
}
/**
* Returns the additional proposal info, or <code>null</code> if none
* exists.
*
* @return the additional proposal info, or <code>null</code> if none
* exists
*/
@Override
protected final ProposalInfo getProposalInfo() {
if (!fProposalInfoComputed) {
setProposalInfo(computeProposalInfo());
fProposalInfoComputed = true;
}
return super.getProposalInfo();
}
/*
* @see org.eclipse.jdt.internal.ui.text.java.LazyJavaCompletionProposal#computeProposalInfo()
*/
protected ProposalInfo computeProposalInfo() {
if (fProject != null && fTypeName != null)
return new PDETypeProposalInfo(JavaCore.create(fProject), fTypeName);
return null;
}
}
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