public static void setChangeTextType(TextFileChange change, IFile file) {
// null guard in case a folder gets passed for whatever reason
String name = file.getName();
if (name == null) return;
// mark a plugin.xml or a fragment.xml as PLUGIN2 type so they will be compared
// with the PluginContentMergeViewer
String textType =
name.equals(ICoreConstants.PLUGIN_FILENAME_DESCRIPTOR)
|| name.equals(ICoreConstants.FRAGMENT_FILENAME_DESCRIPTOR)
? "PLUGIN2" //$NON-NLS-1$
: file.getFileExtension();
// if the file extension is null, the setTextType method will use type "txt", so no null guard
// needed
change.setTextType(textType);
}
private boolean addXmlFileChanges(IFile file, CompositeChange changes, boolean isManifest) {
IModelManager modelManager = StructuredModelManager.getModelManager();
IStructuredModel model = null;
try {
model = modelManager.getExistingModelForRead(file);
if (model == null) {
model = modelManager.getModelForRead(file);
}
if (model != null) {
IStructuredDocument document = model.getStructuredDocument();
if (model instanceof IDOMModel) {
IDOMModel domModel = (IDOMModel) model;
Element root = domModel.getDocument().getDocumentElement();
if (root != null) {
List<TextEdit> edits = new ArrayList<TextEdit>();
if (isManifest) {
addManifestReplacements(edits, root, document);
} else {
addLayoutReplacements(edits, root, document);
}
if (!edits.isEmpty()) {
MultiTextEdit rootEdit = new MultiTextEdit();
rootEdit.addChildren(edits.toArray(new TextEdit[edits.size()]));
TextFileChange change = new TextFileChange(file.getName(), file);
change.setTextType(EXT_XML);
change.setEdit(rootEdit);
changes.add(change);
}
}
} else {
return false;
}
}
return true;
} catch (IOException e) {
AdtPlugin.log(e, null);
} catch (CoreException e) {
AdtPlugin.log(e, null);
} finally {
if (model != null) {
model.releaseFromRead();
}
}
return false;
}
@Override
protected List<Change> computeChanges(IProgressMonitor monitor) {
String name = getViewClass(mTypeFqcn);
IFile file = mDelegate.getEditor().getInputFile();
List<Change> changes = new ArrayList<Change>();
if (file == null) {
return changes;
}
TextFileChange change = new TextFileChange(file.getName(), file);
MultiTextEdit rootEdit = new MultiTextEdit();
change.setEdit(rootEdit);
change.setTextType(EXT_XML);
changes.add(change);
for (Element element : getElements()) {
IndexedRegion region = getRegion(element);
String text = getText(region.getStartOffset(), region.getEndOffset());
String oldName = element.getNodeName();
int open = text.indexOf(oldName);
int close = text.lastIndexOf(oldName);
if (element instanceof ElementImpl && ((ElementImpl) element).isEmptyTag()) {
close = -1;
}
if (open != -1) {
int oldLength = oldName.length();
rootEdit.addChild(new ReplaceEdit(region.getStartOffset() + open, oldLength, name));
}
if (close != -1 && close != open) {
int oldLength = oldName.length();
rootEdit.addChild(new ReplaceEdit(region.getStartOffset() + close, oldLength, name));
}
// Change tag type
String oldId = getId(element);
String newId = ensureIdMatchesType(element, mTypeFqcn, rootEdit);
// Update any layout references to the old id with the new id
if (oldId != null && newId != null) {
IStructuredModel model = mDelegate.getEditor().getModelForRead();
try {
IStructuredDocument doc = model.getStructuredDocument();
if (doc != null) {
IndexedRegion range = getRegion(element);
int skipStart = range.getStartOffset();
int skipEnd = range.getEndOffset();
List<TextEdit> replaceIds =
replaceIds(getAndroidNamespacePrefix(), doc, skipStart, skipEnd, oldId, newId);
for (TextEdit edit : replaceIds) {
rootEdit.addChild(edit);
}
}
} finally {
model.releaseFromRead();
}
}
// Strip out attributes that no longer make sense
removeUndefinedAttrs(rootEdit, element);
}
return changes;
}
