@Nullable
private static PsiType guessElementTypeFromReference(
MethodPatternMap methodPatternMap, PsiElement ref, TextRange rangeToIgnore) {
PsiElement refParent = ref.getParent();
if (refParent instanceof PsiReferenceExpression) {
PsiReferenceExpression parentExpr = (PsiReferenceExpression) refParent;
if (ref.equals(parentExpr.getQualifierExpression())
&& parentExpr.getParent() instanceof PsiMethodCallExpression) {
String methodName = parentExpr.getReferenceName();
PsiMethodCallExpression methodCall = (PsiMethodCallExpression) parentExpr.getParent();
PsiExpression[] args = methodCall.getArgumentList().getExpressions();
MethodPattern pattern = methodPatternMap.findPattern(methodName, args.length);
if (pattern != null) {
if (pattern.parameterIndex < 0) { // return value
if (methodCall.getParent() instanceof PsiTypeCastExpression
&& (rangeToIgnore == null || !rangeToIgnore.contains(methodCall.getTextRange()))) {
return ((PsiTypeCastExpression) methodCall.getParent()).getType();
}
} else {
return args[pattern.parameterIndex].getType();
}
}
}
}
return null;
}
@Override
protected void invokeImpl(PsiClass targetClass) {
final PsiFile callSite = myMethodCall.getContainingFile();
final Project project = myMethodCall.getProject();
PsiElementFactory elementFactory = JavaPsiFacade.getInstance(project).getElementFactory();
IdeDocumentHistory.getInstance(project).includeCurrentPlaceAsChangePlace();
try {
PsiMethod constructor = elementFactory.createConstructor();
constructor = (PsiMethod) targetClass.add(constructor);
final TemplateBuilderImpl templateBuilder = new TemplateBuilderImpl(constructor);
CreateFromUsageUtils.setupMethodParameters(
constructor,
templateBuilder,
myMethodCall.getArgumentList(),
getTargetSubstitutor(myMethodCall));
final PsiFile psiFile = myMethodCall.getContainingFile();
templateBuilder.setEndVariableAfter(constructor.getBody().getLBrace());
final RangeMarker rangeMarker =
psiFile.getViewProvider().getDocument().createRangeMarker(myMethodCall.getTextRange());
constructor = CodeInsightUtilCore.forcePsiPostprocessAndRestoreElement(constructor);
targetClass = constructor.getContainingClass();
myMethodCall =
CodeInsightUtil.findElementInRange(
psiFile,
rangeMarker.getStartOffset(),
rangeMarker.getEndOffset(),
myMethodCall.getClass());
rangeMarker.dispose();
Template template = templateBuilder.buildTemplate();
final Editor editor = positionCursor(project, targetClass.getContainingFile(), targetClass);
if (editor == null) return;
final TextRange textRange = constructor.getTextRange();
final PsiFile file = targetClass.getContainingFile();
editor.getDocument().deleteString(textRange.getStartOffset(), textRange.getEndOffset());
editor.getCaretModel().moveToOffset(textRange.getStartOffset());
startTemplate(
editor,
template,
project,
new TemplateEditingAdapter() {
@Override
public void templateFinished(Template template, boolean brokenOff) {
ApplicationManager.getApplication()
.runWriteAction(
new Runnable() {
@Override
public void run() {
try {
PsiDocumentManager.getInstance(project)
.commitDocument(editor.getDocument());
final int offset = editor.getCaretModel().getOffset();
PsiMethod constructor =
PsiTreeUtil.findElementOfClassAtOffset(
file, offset, PsiMethod.class, false);
CreateFromUsageUtils.setupMethodBody(constructor);
CreateFromUsageUtils.setupEditor(constructor, editor);
UndoUtil.markPsiFileForUndo(callSite);
} catch (IncorrectOperationException e) {
LOG.error(e);
}
}
});
}
});
} catch (IncorrectOperationException e) {
LOG.error(e);
}
}