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Copy pathOptionsItemProcessor.java
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127 lines (99 loc) · 4.22 KB
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/**
* Copyright (C) 2010-2013 eBusiness Information, Excilys Group
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not
* use this file except in compliance with the License. You may obtain a copy of
* the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed To in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations under
* the License.
*/
package org.androidannotations.processing;
import static com.sun.codemodel.JExpr.FALSE;
import static com.sun.codemodel.JExpr.TRUE;
import static com.sun.codemodel.JExpr._super;
import static com.sun.codemodel.JExpr.invoke;
import java.util.List;
import javax.annotation.processing.ProcessingEnvironment;
import javax.lang.model.element.Element;
import javax.lang.model.element.ExecutableElement;
import javax.lang.model.element.VariableElement;
import javax.lang.model.type.TypeKind;
import javax.lang.model.type.TypeMirror;
import org.androidannotations.annotations.OptionsItem;
import org.androidannotations.helper.IdAnnotationHelper;
import org.androidannotations.helper.ThirdPartyLibHelper;
import org.androidannotations.processing.EBeansHolder.Classes;
import org.androidannotations.rclass.IRClass;
import org.androidannotations.rclass.IRClass.Res;
import com.sun.codemodel.JBlock;
import com.sun.codemodel.JClass;
import com.sun.codemodel.JCodeModel;
import com.sun.codemodel.JExpression;
import com.sun.codemodel.JFieldRef;
import com.sun.codemodel.JInvocation;
import com.sun.codemodel.JMethod;
import com.sun.codemodel.JMod;
import com.sun.codemodel.JVar;
/**
*/
public class OptionsItemProcessor implements DecoratingElementProcessor {
private final IdAnnotationHelper helper;
private final ThirdPartyLibHelper libHelper;
public OptionsItemProcessor(ProcessingEnvironment processingEnv, IRClass rClass) {
helper = new IdAnnotationHelper(processingEnv, getTarget(), rClass);
libHelper = new ThirdPartyLibHelper(helper);
}
@Override
public String getTarget() {
return OptionsItem.class.getName();
}
@Override
public void process(Element element, JCodeModel codeModel, EBeanHolder holder) {
Classes classes = holder.classes();
String methodName = element.getSimpleName().toString();
JClass menuItemClass;
if (libHelper.usesActionBarSherlock(holder)) {
menuItemClass = classes.SHERLOCK_MENU_ITEM;
} else {
menuItemClass = classes.MENU_ITEM;
}
ExecutableElement executableElement = (ExecutableElement) element;
List<? extends VariableElement> parameters = executableElement.getParameters();
TypeMirror returnType = executableElement.getReturnType();
boolean returnMethodResult = returnType.getKind() != TypeKind.VOID;
boolean hasItemParameter = parameters.size() == 1;
List<JFieldRef> idsRefs = helper.extractAnnotationFieldRefs(holder, element, Res.ID, true);
if (holder.onOptionsItemSelectedIfElseBlock == null) {
JMethod method = holder.generatedClass.method(JMod.PUBLIC, codeModel.BOOLEAN, "onOptionsItemSelected");
method.annotate(Override.class);
holder.onOptionsItemSelectedItem = method.param(menuItemClass, "item");
JBlock body = method.body();
JVar handled = body.decl(codeModel.BOOLEAN, "handled", invoke(_super(), method).arg(holder.onOptionsItemSelectedItem));
body._if(handled)._then()._return(TRUE);
holder.onOptionsItemSelectedItemId = body.decl(codeModel.INT, "itemId_", holder.onOptionsItemSelectedItem.invoke("getItemId"));
holder.onOptionsItemSelectedIfElseBlock = body.block();
body._return(FALSE);
}
JExpression ifExpr = holder.onOptionsItemSelectedItemId.eq(idsRefs.get(0));
for (int i = 1; i < idsRefs.size(); i++) {
ifExpr = ifExpr.cor(holder.onOptionsItemSelectedItemId.eq(idsRefs.get(i)));
}
JBlock itemIfBody = holder.onOptionsItemSelectedIfElseBlock._if(ifExpr)._then();
JInvocation methodCall = invoke(methodName);
if (returnMethodResult) {
itemIfBody._return(methodCall);
} else {
itemIfBody.add(methodCall);
itemIfBody._return(TRUE);
}
if (hasItemParameter) {
methodCall.arg(holder.onOptionsItemSelectedItem);
}
}
}