public static void prepareWizardData(final WizardData data, PsiClass boundClass)
throws MyException {
final PsiMethod[] allGetDataMethods = boundClass.findMethodsByName("getData", false);
final PsiMethod[] allSetDataMethods = boundClass.findMethodsByName("setData", false);
PsiMethod setDataMethod = null;
PsiClass beanClass = null;
// find get/set pair and bean class
outer:
for (int i = 0; i < allGetDataMethods.length; i++) {
final PsiMethod _getMethod = allGetDataMethods[i];
if (_getMethod.getReturnType() != PsiType.VOID) {
continue;
}
final PsiParameter[] _getMethodParameters = _getMethod.getParameterList().getParameters();
if (_getMethodParameters.length != 1) {
continue;
}
final PsiClass _getParameterClass = getClassByType(_getMethodParameters[0].getType());
if (_getParameterClass == null) {
continue;
}
for (final PsiMethod _setMethod : allSetDataMethods) {
if (_setMethod.getReturnType() != PsiType.VOID) {
continue;
}
final PsiParameter[] _setMethodParameters = _setMethod.getParameterList().getParameters();
if (_setMethodParameters.length != 1) {
continue;
}
final PsiClass _setParameterClass = getClassByType(_setMethodParameters[0].getType());
if (_setParameterClass != _getParameterClass) {
continue;
}
// pair found !!!
setDataMethod = _setMethod;
beanClass = _getParameterClass;
break outer;
}
}
if (beanClass == null) {
// nothing found
return;
}
data.myBindToNewBean = false;
data.myBeanClass = beanClass;
// parse setData() and try to associate fields with bean
{
final PsiCodeBlock body = setDataMethod.getBody();
if (body == null) {
return;
}
final PsiElement[] children = body.getChildren();
for (PsiElement child : children) {
// Parses sequences like: a.foo(b.bar());
final PsiField bindingField;
if (!(child instanceof PsiExpressionStatement)) {
continue;
}
final PsiExpression expression = ((PsiExpressionStatement) child).getExpression();
if (!(expression instanceof PsiMethodCallExpression)) {
continue;
}
final PsiMethodCallExpression callExpression = (PsiMethodCallExpression) expression;
// find binding field ('a')
int index = -1;
{
final PsiElement psiElement = getObjectForWhichMethodWasCalled(callExpression);
if (!(psiElement instanceof PsiField)) {
continue;
}
if (((PsiField) psiElement).getContainingClass() != boundClass) {
continue;
}
bindingField = (PsiField) psiElement;
// find binding for this field
final FormProperty2BeanProperty[] bindings = data.myBindings;
for (int j = 0; j < bindings.length; j++) {
final FormProperty2BeanProperty binding = bindings[j];
if (bindingField
.getName()
.equals(binding.myFormProperty.getLwComponent().getBinding())) {
index = j;
break;
}
}
}
if (index == -1) {
continue;
}
// find 'bar()'
{
final PsiReferenceParameterList parameterList =
callExpression.getMethodExpression().getParameterList();
if (parameterList == null) {
continue;
}
final PsiExpressionList argumentList = callExpression.getArgumentList();
if (argumentList == null) {
continue;
}
final PsiExpression[] expressions = argumentList.getExpressions();
if (expressions == null || expressions.length != 1) {
continue;
}
if (!(expressions[0] instanceof PsiMethodCallExpression)) {
continue;
}
final PsiMethodCallExpression callExpression2 =
((PsiMethodCallExpression) expressions[0]);
// check that 'b' is parameter
final PsiElement psiElement = getObjectForWhichMethodWasCalled(callExpression2);
if (!(psiElement instanceof PsiParameter)) {
continue;
}
final PsiMethod barMethod = ((PsiMethod) callExpression2.getMethodExpression().resolve());
if (barMethod == null) {
continue;
}
if (!PropertyUtil.isSimplePropertyGetter(barMethod)) {
continue;
}
final String propertyName = PropertyUtil.getPropertyName(barMethod);
// There are two possible types: boolean and java.lang.String
String typeName = barMethod.getReturnType().getCanonicalText();
if (!"boolean".equals(typeName) && !"java.lang.String".equals(typeName)) {
continue;
}
data.myBindings[index].myBeanProperty = new BeanProperty(propertyName, typeName);
}
}
}
}
/** Should be invoked in command and write action */
@SuppressWarnings({"HardCodedStringLiteral"})
public static void generateDataBindingMethods(final WizardData data) throws MyException {
if (data.myBindToNewBean) {
data.myBeanClass = createBeanClass(data);
} else {
if (!CommonRefactoringUtil.checkReadOnlyStatus(
data.myBeanClass.getProject(), data.myBeanClass)) {
return;
}
}
final HashMap<String, String> binding2beanGetter = new HashMap<String, String>();
final HashMap<String, String> binding2beanSetter = new HashMap<String, String>();
final FormProperty2BeanProperty[] bindings = data.myBindings;
for (final FormProperty2BeanProperty form2bean : bindings) {
if (form2bean == null || form2bean.myBeanProperty == null) {
continue;
}
// check that bean contains the property, and if not, try to add the property to the bean
{
final String setterName = PropertyUtil.suggestSetterName(form2bean.myBeanProperty.myName);
final PsiMethod[] methodsByName = data.myBeanClass.findMethodsByName(setterName, true);
if (methodsByName.length < 1) {
// bean does not contain this property
// try to add...
LOG.assertTrue(
!data.myBindToNewBean); // just generated bean class should contain all necessary
// properties
if (!data.myBeanClass.isWritable()) {
throw new MyException(
"Cannot add property to non writable class " + data.myBeanClass.getQualifiedName());
}
final StringBuffer membersBuffer = new StringBuffer();
final StringBuffer methodsBuffer = new StringBuffer();
final Project project = data.myBeanClass.getProject();
final CodeStyleManager formatter = CodeStyleManager.getInstance(project);
final JavaCodeStyleManager styler = JavaCodeStyleManager.getInstance(project);
generateProperty(
styler,
form2bean.myBeanProperty.myName,
form2bean.myBeanProperty.myType,
membersBuffer,
methodsBuffer);
final PsiClass fakeClass;
try {
fakeClass =
JavaPsiFacade.getInstance(data.myBeanClass.getProject())
.getElementFactory()
.createClassFromText(membersBuffer.toString() + methodsBuffer.toString(), null);
final PsiField[] fields = fakeClass.getFields();
{
final PsiElement result = data.myBeanClass.add(fields[0]);
styler.shortenClassReferences(result);
formatter.reformat(result);
}
final PsiMethod[] methods = fakeClass.getMethods();
{
final PsiElement result = data.myBeanClass.add(methods[0]);
styler.shortenClassReferences(result);
formatter.reformat(result);
}
{
final PsiElement result = data.myBeanClass.add(methods[1]);
styler.shortenClassReferences(result);
formatter.reformat(result);
}
} catch (IncorrectOperationException e) {
throw new MyException(e.getMessage());
}
}
}
final PsiMethod propertySetter =
PropertyUtil.findPropertySetter(
data.myBeanClass, form2bean.myBeanProperty.myName, false, true);
final PsiMethod propertyGetter =
PropertyUtil.findPropertyGetter(
data.myBeanClass, form2bean.myBeanProperty.myName, false, true);
if (propertyGetter == null) {
// todo
continue;
}
if (propertySetter == null) {
// todo
continue;
}
final String binding = form2bean.myFormProperty.getLwComponent().getBinding();
binding2beanGetter.put(binding, propertyGetter.getName());
binding2beanSetter.put(binding, propertySetter.getName());
}
final String dataBeanClassName = data.myBeanClass.getQualifiedName();
final LwRootContainer[] rootContainer = new LwRootContainer[1];
final FormProperty[] formProperties =
exposeForm(data.myProject, data.myFormFile, rootContainer);
final StringBuffer getDataBody = new StringBuffer();
final StringBuffer setDataBody = new StringBuffer();
final StringBuffer isModifiedBody = new StringBuffer();
// iterate exposed formproperties
for (final FormProperty formProperty : formProperties) {
final String binding = formProperty.getLwComponent().getBinding();
if (!binding2beanGetter.containsKey(binding)) {
continue;
}
getDataBody.append("data.");
getDataBody.append(binding2beanSetter.get(binding));
getDataBody.append("(");
getDataBody.append(binding);
getDataBody.append(".");
getDataBody.append(formProperty.getComponentPropertyGetterName());
getDataBody.append("());\n");
setDataBody.append(binding);
setDataBody.append(".");
setDataBody.append(formProperty.getComponentPropertySetterName());
setDataBody.append("(data.");
setDataBody.append(binding2beanGetter.get(binding));
setDataBody.append("());\n");
final String propertyClassName = formProperty.getComponentPropertyClassName();
if ("boolean".equals(propertyClassName)) {
isModifiedBody.append("if (");
//
isModifiedBody.append(binding);
isModifiedBody.append(".");
isModifiedBody.append(formProperty.getComponentPropertyGetterName());
isModifiedBody.append("()");
//
isModifiedBody.append("!= ");
//
isModifiedBody.append("data.");
isModifiedBody.append(binding2beanGetter.get(binding));
isModifiedBody.append("()");
//
isModifiedBody.append(") return true;\n");
} else {
isModifiedBody.append("if (");
//
isModifiedBody.append(binding);
isModifiedBody.append(".");
isModifiedBody.append(formProperty.getComponentPropertyGetterName());
isModifiedBody.append("()");
//
isModifiedBody.append("!= null ? ");
//
isModifiedBody.append("!");
//
isModifiedBody.append(binding);
isModifiedBody.append(".");
isModifiedBody.append(formProperty.getComponentPropertyGetterName());
isModifiedBody.append("()");
//
isModifiedBody.append(".equals(");
//
isModifiedBody.append("data.");
isModifiedBody.append(binding2beanGetter.get(binding));
isModifiedBody.append("()");
isModifiedBody.append(") : ");
//
isModifiedBody.append("data.");
isModifiedBody.append(binding2beanGetter.get(binding));
isModifiedBody.append("()");
isModifiedBody.append("!= null");
//
isModifiedBody.append(") return true;\n");
}
}
isModifiedBody.append("return false;\n");
final String textOfMethods =
"public void setData("
+ dataBeanClassName
+ " data){\n"
+ setDataBody.toString()
+ "}\n"
+ "\n"
+ "public void getData("
+ dataBeanClassName
+ " data){\n"
+ getDataBody.toString()
+ "}\n"
+ "\n"
+ "public boolean isModified("
+ dataBeanClassName
+ " data){\n"
+ isModifiedBody.toString()
+ "}\n";
// put them to the bound class
final Module module = ModuleUtil.findModuleForFile(data.myFormFile, data.myProject);
LOG.assertTrue(module != null);
final PsiClass boundClass =
FormEditingUtil.findClassToBind(module, rootContainer[0].getClassToBind());
LOG.assertTrue(boundClass != null);
if (!CommonRefactoringUtil.checkReadOnlyStatus(module.getProject(), boundClass)) {
return;
}
// todo: check that this method does not exist yet
final PsiClass fakeClass;
try {
fakeClass =
JavaPsiFacade.getInstance(data.myProject)
.getElementFactory()
.createClassFromText(textOfMethods, null);
final PsiMethod methodSetData = fakeClass.getMethods()[0];
final PsiMethod methodGetData = fakeClass.getMethods()[1];
final PsiMethod methodIsModified = fakeClass.getMethods()[2];
final PsiMethod existing1 = boundClass.findMethodBySignature(methodSetData, false);
final PsiMethod existing2 = boundClass.findMethodBySignature(methodGetData, false);
final PsiMethod existing3 = boundClass.findMethodBySignature(methodIsModified, false);
// warning already shown
if (existing1 != null) {
existing1.delete();
}
if (existing2 != null) {
existing2.delete();
}
if (existing3 != null) {
existing3.delete();
}
final CodeStyleManager formatter = CodeStyleManager.getInstance(module.getProject());
final JavaCodeStyleManager styler = JavaCodeStyleManager.getInstance(module.getProject());
final PsiElement setData = boundClass.add(methodSetData);
styler.shortenClassReferences(setData);
formatter.reformat(setData);
final PsiElement getData = boundClass.add(methodGetData);
styler.shortenClassReferences(getData);
formatter.reformat(getData);
if (data.myGenerateIsModified) {
final PsiElement isModified = boundClass.add(methodIsModified);
styler.shortenClassReferences(isModified);
formatter.reformat(isModified);
}
final OpenFileDescriptor descriptor =
new OpenFileDescriptor(
setData.getProject(),
setData.getContainingFile().getVirtualFile(),
setData.getTextOffset());
FileEditorManager.getInstance(data.myProject).openTextEditor(descriptor, true);
} catch (IncorrectOperationException e) {
throw new MyException(e.getMessage());
}
}