@Override
public Collection<LineExtensionInfo> getLineExtensions(
@NotNull Project project, @NotNull VirtualFile file, int lineNumber) {
if (!Registry.is("ide.debugger.inline")) {
return null;
}
final Map<Pair<VirtualFile, Integer>, Set<XValueNodeImpl>> map =
project.getUserData(XVariablesView.DEBUG_VARIABLES);
final Map<VirtualFile, Long> timestamps =
project.getUserData(XVariablesView.DEBUG_VARIABLES_TIMESTAMPS);
final Document doc = FileDocumentManager.getInstance().getDocument(file);
if (map == null || timestamps == null || doc == null) {
return null;
}
Map<Variable, VariableValue> oldValues = project.getUserData(CACHE);
if (oldValues == null) {
oldValues = new HashMap<Variable, VariableValue>();
project.putUserData(CACHE, oldValues);
}
final Long timestamp = timestamps.get(file);
if (timestamp == null || timestamp < doc.getModificationStamp()) {
return null;
}
Set<XValueNodeImpl> values = map.get(Pair.create(file, lineNumber));
if (values != null && !values.isEmpty()) {
ArrayList<LineExtensionInfo> result = new ArrayList<LineExtensionInfo>();
for (XValueNodeImpl value : values) {
SimpleColoredText text = new SimpleColoredText();
XValueTextRendererImpl renderer = new XValueTextRendererImpl(text);
final XValuePresentation presentation = value.getValuePresentation();
if (presentation == null) continue;
try {
if (presentation instanceof XValueCompactPresentation) {
((XValueCompactPresentation) presentation).renderValue(renderer, value);
} else {
presentation.renderValue(renderer);
}
} catch (Exception e) {
continue;
}
final Color color = getForeground();
final String name = value.getName();
result.add(new LineExtensionInfo(" " + name + ": ", color, null, null, Font.PLAIN));
Variable var = new Variable(name, lineNumber);
VariableValue variableValue = oldValues.get(var);
if (variableValue == null) {
variableValue = new VariableValue(text.toString(), null, value.hashCode());
oldValues.put(var, variableValue);
}
if (variableValue.valueNodeHashCode != value.hashCode()) {
variableValue.old = variableValue.actual;
variableValue.actual = text.toString();
variableValue.valueNodeHashCode = value.hashCode();
}
if (!variableValue.isChanged()) {
for (String s : text.getTexts()) {
result.add(new LineExtensionInfo(s, color, null, null, Font.PLAIN));
}
} else {
variableValue.produceChangedParts(result);
}
}
return result;
}
return null;
}
