private boolean isApplicableEditor(TextEditor textEditor) {
final Document document = textEditor.getEditor().getDocument();
final PsiFile psiFile = PsiDocumentManager.getInstance(myProject).getPsiFile(document);
// In theory, we should just check
// LayoutDomFileDescription.isLayoutFile((XmlFile)psiFile);
// here, but there are problems where files don't show up with layout preview
// at startup, presumably because the resource directories haven't been properly
// initialized yet.
return isInResourceFolder(psiFile);
}
@NotNull
private TextChunk[] initChunks() {
PsiFile psiFile = getPsiFile();
Document document =
psiFile == null ? null : PsiDocumentManager.getInstance(getProject()).getDocument(psiFile);
TextChunk[] chunks;
if (document == null) {
// element over light virtual file
PsiElement element = getElement();
chunks = new TextChunk[] {new TextChunk(new TextAttributes(), element.getText())};
} else {
chunks = ChunkExtractor.extractChunks(psiFile, this);
}
myTextChunks = new SoftReference<TextChunk[]>(chunks);
return chunks;
}
public Document getDocument() {
PsiFile file = getUsageInfo().getFile();
if (file == null) return null;
return PsiDocumentManager.getInstance(getProject()).getDocument(file);
}