/*******************************************************************************
* Copyright (c) 2000, 2010 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)
*******************************************************************************/
package org.eclipse.cdt.make.internal.ui.editor;
import java.util.Iterator;
import org.eclipse.cdt.make.core.MakeCorePlugin;
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.IDocument;
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;
import org.eclipse.ui.texteditor.ResourceMarkerAnnotationModel;
public class MakefileDocumentProvider extends TextFileDocumentProvider implements IMakefileDocumentProvider {
IMakefile fMakefile;
protected class MakefileAnnotationModel extends ResourceMarkerAnnotationModel /*implements IProblemRequestor */{
public MakefileAnnotationModel(IResource resource) {
super(resource);
}
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 MakeCorePlugin.getDefault().createMakefile(file);
}
return null;
}
/* (non-Javadoc)
* @see org.eclipse.ui.editors.text.TextFileDocumentProvider#createAnnotationModel(org.eclipse.core.resources.IFile)
*/
@Override
protected IAnnotationModel createAnnotationModel(IFile file) {
return new MakefileAnnotationModel(file);
}
/*
* @see org.eclipse.ui.editors.text.TextFileDocumentProvider#createFileInfo(java.lang.Object)
*/
@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;
}
/* (non-Javadoc)
* @see org.eclipse.ui.editors.text.TextFileDocumentProvider#disposeFileInfo(java.lang.Object, org.eclipse.ui.editors.text.TextFileDocumentProvider.FileInfo)
*/
@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);
}
/*
* @see org.eclipse.ui.editors.text.TextFileDocumentProvider#createEmptyFileInfo()
*/
@Override
protected FileInfo createEmptyFileInfo() {
return new MakefileFileInfo();
}
/*
* @see org.eclipse.cdt.make.internal.ui.IMakefileDocumentProvider#getWorkingCopy(java.lang.Object)
*/
public IMakefile getWorkingCopy(Object element) {
FileInfo fileInfo= getFileInfo(element);
if (fileInfo instanceof MakefileFileInfo) {
MakefileFileInfo info= (MakefileFileInfo) fileInfo;
return info.fCopy;
}
return null;
}
/*
* @see org.eclipse.cdt.make.internal.ui.IMakefileDocumentProvider#shutdown()
*/
public void shutdown() {
Iterator<?> e= getConnectedElementsIterator();
while (e.hasNext())
disconnect(e.next());
}
/*
* @see org.eclipse.ui.editors.text.TextFileDocumentProvider#createSaveOperation(java.lang.Object, org.eclipse.jface.text.IDocument, boolean)
*/
@Override
protected DocumentProviderOperation createSaveOperation(Object element, IDocument document, boolean overwrite)
throws CoreException {
if (!(element instanceof IFileEditorInput)) {
return null;
}
return super.createSaveOperation(element, document, overwrite);
}
}