/*******************************************************************************
* Copyright (c) 2000, 2015 QNX Software Systems 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:
* QNX Software Systems - Initial API and implementation
* Anton Leherbauer (Wind River Systems) - Fixed bug 141295
*******************************************************************************/
package org.eclipse.cdt.internal.autotools.ui.editors.automake;
import java.util.Iterator;
import org.eclipse.cdt.make.core.makefile.IMakefile;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.jface.text.source.AnnotationModel;
import org.eclipse.jface.text.source.IAnnotationModel;
import org.eclipse.ui.IFileEditorInput;
import org.eclipse.ui.editors.text.ForwardingDocumentProvider;
import org.eclipse.ui.editors.text.TextFileDocumentProvider;
import org.eclipse.ui.texteditor.IDocumentProvider;
public class MakefileDocumentProvider extends TextFileDocumentProvider implements IMakefileDocumentProvider {
IMakefile fMakefile;
protected class MakefileAnnotationModel extends AnnotationModel /*implements IProblemRequestor */{
/**
* @param resource
*/
public MakefileAnnotationModel(IResource resource) {
super();
}
/**
* @param makefile
*/
public void setMakefile(IMakefile makefile) {
fMakefile = makefile;
}
}
/**
* Remembers a IMakefile for each element.
*/
protected class MakefileFileInfo extends FileInfo {
public IMakefile fCopy;
}
public MakefileDocumentProvider() {
IDocumentProvider provider= new TextFileDocumentProvider(new MakefileStorageDocumentProvider());
provider= new ForwardingDocumentProvider(MakefileDocumentSetupParticipant.MAKEFILE_PARTITIONING, new MakefileDocumentSetupParticipant(), provider);
setParentDocumentProvider(provider);
}
/**
*/
private IMakefile createMakefile(IFile file) throws CoreException {
if (file.exists()) {
return GNUAutomakefile.createMakefile(file);
}
return null;
}
@Override
protected IAnnotationModel createAnnotationModel(IFile file) {
return new MakefileAnnotationModel(file);
}
@Override
protected FileInfo createFileInfo(Object element) throws CoreException {
if (!(element instanceof IFileEditorInput))
return null;
IFileEditorInput input= (IFileEditorInput) element;
IMakefile original= createMakefile(input.getFile());
if (original == null)
return null;
FileInfo info= super.createFileInfo(element);
if (!(info instanceof MakefileFileInfo)) {
return null;
}
MakefileFileInfo makefileInfo= (MakefileFileInfo) info;
setUpSynchronization(makefileInfo);
makefileInfo.fCopy = original;
if (makefileInfo.fModel instanceof MakefileAnnotationModel) {
MakefileAnnotationModel model= (MakefileAnnotationModel) makefileInfo.fModel;
model.setMakefile(makefileInfo.fCopy);
}
return makefileInfo;
}
@Override
protected void disposeFileInfo(Object element, FileInfo info) {
if (info instanceof MakefileFileInfo) {
MakefileFileInfo makefileInfo= (MakefileFileInfo) info;
if (makefileInfo.fCopy != null) {
makefileInfo.fCopy = null;
}
}
super.disposeFileInfo(element, info);
}
@Override
protected FileInfo createEmptyFileInfo() {
return new MakefileFileInfo();
}
@Override
public IMakefile getWorkingCopy(Object element) {
FileInfo fileInfo= getFileInfo(element);
if (fileInfo instanceof MakefileFileInfo) {
return ((MakefileFileInfo) fileInfo).fCopy;
}
return null;
}
@Override
public void shutdown() {
Iterator<?> e = getConnectedElementsIterator();
while (e.hasNext())
disconnect(e.next());
}
}