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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._new;
import static com.sun.codemodel.JExpr._null;
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 org.androidannotations.annotations.Click;
import org.androidannotations.helper.AnnotationHelper;
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.JCodeModel;
import com.sun.codemodel.JDefinedClass;
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 ClickProcessor implements DecoratingElementProcessor {
private final AnnotationHelper helper;
private final IRClass rClass;
public ClickProcessor(ProcessingEnvironment processingEnv, IRClass rClass) {
this.rClass = rClass;
helper = new AnnotationHelper(processingEnv);
}
@Override
public String getTarget() {
return Click.class.getName();
}
@Override
public void process(Element element, JCodeModel codeModel, EBeanHolder holder) {
Classes classes = holder.classes();
String methodName = element.getSimpleName().toString();
ExecutableElement executableElement = (ExecutableElement) element;
List<? extends VariableElement> parameters = executableElement.getParameters();
boolean hasViewParameter = parameters.size() == 1;
List<JFieldRef> idsRefs = helper.extractAnnotationFieldRefs(holder, element, getTarget(), rClass.get(Res.ID), true);
JDefinedClass onClickListenerClass = codeModel.anonymousClass(classes.VIEW_ON_CLICK_LISTENER);
JMethod onClickMethod = onClickListenerClass.method(JMod.PUBLIC, codeModel.VOID, "onClick");
onClickMethod.annotate(Override.class);
JVar onClickViewParam = onClickMethod.param(classes.VIEW, "view");
JExpression activityRef = holder.generatedClass.staticRef("this");
JInvocation clickCall = onClickMethod.body().invoke(activityRef, methodName);
if (hasViewParameter) {
clickCall.arg(onClickViewParam);
}
ViewChangedHolder onViewChanged = holder.onViewChanged();
for (JFieldRef idRef : idsRefs) {
JBlock block = onViewChanged.body().block();
JVar view = block.decl(classes.VIEW, "view", onViewChanged.findViewById(idRef));
block._if(view.ne(_null()))._then().invoke(view, "setOnClickListener").arg(_new(onClickListenerClass));
}
}
}