@NotNull
private List<PsiMethod> getMethodsToImport() {
PsiShortNamesCache cache = PsiShortNamesCache.getInstance(myMethodCall.getProject());
PsiMethodCallExpression element = myMethodCall.getElement();
PsiReferenceExpression reference = element.getMethodExpression();
PsiExpressionList argumentList = element.getArgumentList();
String name = reference.getReferenceName();
List<PsiMethod> list = new ArrayList<PsiMethod>();
if (name == null) return list;
GlobalSearchScope scope = element.getResolveScope();
PsiMethod[] methods = cache.getMethodsByNameIfNotMoreThan(name, scope, 20);
List<PsiMethod> applicableList = new ArrayList<PsiMethod>();
final PsiResolveHelper resolveHelper =
JavaPsiFacade.getInstance(element.getProject()).getResolveHelper();
for (PsiMethod method : methods) {
ProgressManager.checkCanceled();
if (JavaCompletionUtil.isInExcludedPackage(method)) continue;
if (!method.hasModifierProperty(PsiModifier.STATIC)) continue;
PsiFile file = method.getContainingFile();
if (file instanceof PsiJavaFile
// do not show methods from default package
&& ((PsiJavaFile) file).getPackageName().length() != 0
&& PsiUtil.isAccessible(method, element, method.getContainingClass())) {
list.add(method);
PsiSubstitutor substitutorForMethod =
resolveHelper.inferTypeArguments(
method.getTypeParameters(),
method.getParameterList().getParameters(),
argumentList.getExpressions(),
PsiSubstitutor.EMPTY,
element.getParent(),
DefaultParameterTypeInferencePolicy.INSTANCE);
if (PsiUtil.isApplicable(method, substitutorForMethod, argumentList)) {
applicableList.add(method);
}
}
}
List<PsiMethod> result = applicableList.isEmpty() ? list : applicableList;
for (int i = result.size() - 1; i >= 0; i--) {
ProgressManager.checkCanceled();
PsiMethod method = result.get(i);
PsiClass containingClass = method.getContainingClass();
for (int j = i + 1; j < result.size(); j++) {
PsiMethod exMethod = result.get(j);
if (!Comparing.strEqual(exMethod.getName(), method.getName())) continue;
PsiClass exContainingClass = exMethod.getContainingClass();
if (containingClass != null
&& exContainingClass != null
&& !Comparing.equal(
containingClass.getQualifiedName(), exContainingClass.getQualifiedName())) continue;
// same named methods, drop one
result.remove(i);
break;
}
// check for manually excluded
if (isExcluded(method)) {
result.remove(i);
}
}
Collections.sort(result, new PsiProximityComparator(argumentList));
return result;
}
@Override
public JComponent getPreviewComponent(@NotNull PsiElement element) {
final PsiNewExpression psiNewExpression =
PsiTreeUtil.getParentOfType(element, PsiNewExpression.class);
if (psiNewExpression != null) {
final PsiJavaCodeReferenceElement referenceElement =
PsiTreeUtil.getChildOfType(psiNewExpression, PsiJavaCodeReferenceElement.class);
if (referenceElement != null) {
final PsiReference reference = referenceElement.getReference();
if (reference != null) {
final PsiElement psiElement = reference.resolve();
if (psiElement instanceof PsiClass
&& "java.awt.Color".equals(((PsiClass) psiElement).getQualifiedName())) {
final PsiExpressionList argumentList = psiNewExpression.getArgumentList();
if (argumentList != null) {
final PsiExpression[] expressions = argumentList.getExpressions();
int[] values = ArrayUtil.newIntArray(expressions.length);
float[] values2 = new float[expressions.length];
int i = 0;
int j = 0;
final PsiConstantEvaluationHelper helper =
JavaPsiFacade.getInstance(element.getProject()).getConstantEvaluationHelper();
for (final PsiExpression each : expressions) {
final Object o = helper.computeConstantExpression(each);
if (o instanceof Integer) {
values[i] = ((Integer) o).intValue();
if (expressions.length != 1) {
values[i] = values[i] > 255 ? 255 : values[i] < 0 ? 0 : values[i];
}
i++;
} else if (o instanceof Float) {
values2[j] = ((Float) o).floatValue();
values2[j] = values2[j] > 1 ? 1 : values2[j] < 0 ? 0 : values2[j];
j++;
}
}
Color c = null;
if (i == expressions.length) {
if (i == 1 && values[0] > 255) {
c = new Color(values[0]);
} else {
switch (values.length) {
case 1:
c = new Color(values[0]);
break;
case 3:
c = new Color(values[0], values[1], values[2]);
break;
case 4:
c = new Color(values[0], values[1], values[2], values[3]);
break;
default:
break;
}
}
} else if (j == expressions.length) {
switch (values2.length) {
case 3:
c = new Color(values2[0], values2[1], values2[2]);
break;
case 4:
c = new Color(values2[0], values2[1], values2[2], values2[3]);
break;
default:
break;
}
}
if (c != null) {
return new ColorPreviewComponent(c);
}
}
}
}
}
}
if (ColorChooserIntentionAction.isInsideDecodeOrGetColorMethod(element)) {
final String color = StringUtil.unquoteString(element.getText());
try {
return new ColorPreviewComponent(Color.decode(color));
} catch (NumberFormatException ignore) {
}
}
if (PlatformPatterns.psiElement(PsiIdentifier.class)
.withParent(PlatformPatterns.psiElement(PsiReferenceExpression.class))
.accepts(element)) {
final PsiReference reference = element.getParent().getReference();
if (reference != null) {
final PsiElement psiElement = reference.resolve();
if (psiElement instanceof PsiField) {
if ("java.awt.Color"
.equals(((PsiField) psiElement).getContainingClass().getQualifiedName())) {
final String colorName =
((PsiField) psiElement).getName().toLowerCase().replace("_", "");
final String hex = ColorSampleLookupValue.getHexCodeForColorName(colorName);
return new ColorPreviewComponent(Color.decode("0x" + hex.substring(1)));
}
}
}
}
if (PlatformPatterns.psiElement()
.withParent(PlatformPatterns.psiElement(PsiLiteralExpression.class))
.accepts(element)) {
final PsiLiteralExpression psiLiteralExpression = (PsiLiteralExpression) element.getParent();
if (psiLiteralExpression != null) {
return ImagePreviewComponent.getPreviewComponent(psiLiteralExpression);
}
}
return null;
}