@Override
public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
clearAnnotations();
if (oldInput != null) {
IDocument document = documentProvider.getDocument(oldInput);
if (document != null) {
try {
document.removePositionCategory(SEGMENTS);
} catch (BadPositionCategoryException e) {
// Do Nothing
}
document.removePositionUpdater(positionUpdater);
}
}
if (newInput != null) {
IDocument document = documentProvider.getDocument(newInput);
if (document != null) {
document.addPositionCategory(SEGMENTS);
document.addPositionUpdater(positionUpdater);
tree = parser.parse(document.get());
addAnnotations(document.get());
}
}
}
@Override
public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
if (oldInput != null) {
IDocument document = documentProvider.getDocument(oldInput);
if (document != null) {
try {
document.removePositionCategory(CLASS_POSITIONS);
} catch (BadPositionCategoryException x) {
}
document.removePositionUpdater(positionUpdater);
}
}
editorInput = (IEditorInput) newInput;
if (newInput != null) {
IDocument document = documentProvider.getDocument(newInput);
if (document != null) {
document.addPositionCategory(CLASS_POSITIONS);
document.addPositionUpdater(positionUpdater);
editorPageChanged(viewer);
}
}
viewer.refresh();
}
@Override
public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
if (oldInput != null) {
IDocument document = fDocumentProvider.getDocument(oldInput);
if (document != null) {
try {
document.removePositionCategory(JSON_ELEMENTS);
} catch (BadPositionCategoryException x) {
}
document.removePositionUpdater(fPositionUpdater);
}
}
rootObject = null;
if (newInput != null) {
IDocument document = fDocumentProvider.getDocument(newInput);
if (document != null) {
document.addPositionCategory(JSON_ELEMENTS);
document.addPositionUpdater(fPositionUpdater);
parse(document);
}
}
}
private void rewriteImports() {
if (fImportRewrite == null) return;
if (isReadOnly()) return;
ICompilationUnit cu = getCompilationUnit();
if (cu == null) return;
try {
Position position = new Position(getCompletionOffset(), 0);
IDocument document = getDocument();
final String category =
"__template_position_importer" + System.currentTimeMillis(); // $NON-NLS-1$
IPositionUpdater updater = new DefaultPositionUpdater(category);
document.addPositionCategory(category);
document.addPositionUpdater(updater);
document.addPosition(position);
try {
JavaModelUtil.applyEdit(cu, fImportRewrite.rewriteImports(null), false, null);
setCompletionOffset(position.getOffset());
} catch (CoreException e) {
handleException(null, e);
} finally {
document.removePosition(position);
document.removePositionUpdater(updater);
document.removePositionCategory(category);
}
} catch (BadLocationException e) {
handleException(null, e);
} catch (BadPositionCategoryException e) {
handleException(null, e);
}
}
private void ensurePositionCategoryRemoved(IDocument document) {
if (document.containsPositionCategory(getCategory())) {
try {
document.removePositionCategory(getCategory());
} catch (BadPositionCategoryException e) {
// ignore
}
document.removePositionUpdater(fUpdater);
}
}
/**
* Called after the document changed occurred. It must be preceded by a call to preReplace().
*
* @param document the document on which to track the reference position.
* @return offset after the replace
*/
public int postReplace(IDocument document) {
try {
document.removePosition(CATEGORY, fPosition);
document.removePositionUpdater(fPositionUpdater);
document.removePositionCategory(CATEGORY);
} catch (BadPositionCategoryException e) {
// should not happen
DartToolsPlugin.log(e);
}
return fPosition.getOffset();
}
/**
* Uninstalls this position manager form the given document. If the position manager has no been
* installed on this document, this method is without effect.
*
* @param document the document form which to uninstall
*/
public void uninstall(IDocument document) {
if (document == fDocument && document != null) {
try {
fDocument.removePositionUpdater(fPositionUpdater);
fDocument.removePositionCategory(fCategory);
} catch (BadPositionCategoryException x) {
// should not happen
EmbeddedCALPlugin.logError("Error managing document:\n" + document.get(), x);
}
fDocument = null;
}
}
protected void clearRememberedSelection() {
if (!fSelections.isEmpty()) fSelections.clear();
IDocument document = getDocument();
if (document != null && fSelectionUpdater != null) {
document.removePositionUpdater(fSelectionUpdater);
try {
document.removePositionCategory(fSelectionCategory);
} catch (BadPositionCategoryException e) {
// ignore
}
}
fSelectionUpdater = null;
fSelectionCategory = null;
}
/*
* @see org.eclipse.swt.dnd.DragSourceListener#dragFinished(org.eclipse.swt.dnd.DragSourceEvent)
*/
@Override
public void dragFinished(DragSourceEvent event) {
IDocument doc = fViewer.getDocument();
try {
doc.removePositionCategory(DRAG_SELECTION_CATEGORY);
doc.removePositionUpdater(fPositionUpdater);
} catch (BadPositionCategoryException e1) {
// cannot happen
}
if (event.doit && event.detail == DND.DROP_MOVE && isDocumentEditable()) {
try {
doc.replace(fSelectionPosition.offset, fSelectionPosition.length, null);
} catch (BadLocationException e) {
// ignore
}
}
if (fViewer instanceof ITextViewerExtension) {
((ITextViewerExtension) fViewer).getRewriteTarget().endCompoundChange();
}
}
