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107 lines (85 loc) · 4.07 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._new;
import static com.sun.codemodel.JExpr.cast;
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.ItemClick;
import org.androidannotations.helper.IdAnnotationHelper;
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.JDefinedClass;
import com.sun.codemodel.JExpr;
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 ItemClickProcessor implements DecoratingElementProcessor {
private IdAnnotationHelper helper;
public ItemClickProcessor(ProcessingEnvironment processingEnv, IRClass rClass) {
helper = new IdAnnotationHelper(processingEnv, getTarget(), rClass);
}
@Override
public String getTarget() {
return ItemClick.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 hasItemParameter = parameters.size() == 1;
List<JFieldRef> idsRefs = helper.extractAnnotationFieldRefs(holder, element, Res.ID, true);
JDefinedClass onItemClickListenerAnonymousClass = codeModel.anonymousClass(classes.ON_ITEM_CLICK_LISTENER);
JMethod onItemClickMethod = onItemClickListenerAnonymousClass.method(JMod.PUBLIC, codeModel.VOID, "onItemClick");
onItemClickMethod.annotate(Override.class);
JClass narrowAdapterViewClass = classes.ADAPTER_VIEW.narrow(codeModel.wildcard());
JVar onItemClickParentParam = onItemClickMethod.param(narrowAdapterViewClass, "parent");
onItemClickMethod.param(classes.VIEW, "view");
JVar onItemClickPositionParam = onItemClickMethod.param(codeModel.INT, "position");
onItemClickMethod.param(codeModel.LONG, "id");
JInvocation itemClickCall = onItemClickMethod.body().invoke(methodName);
if (hasItemParameter) {
VariableElement parameter = parameters.get(0);
TypeMirror parameterType = parameter.asType();
if (parameterType.getKind() == TypeKind.INT) {
itemClickCall.arg(onItemClickPositionParam);
} else {
String parameterTypeQualifiedName = parameterType.toString();
itemClickCall.arg(cast(holder.refClass(parameterTypeQualifiedName), invoke(onItemClickParentParam, "getAdapter").invoke("getItem").arg(onItemClickPositionParam)));
}
}
ViewChangedHolder onViewChanged = holder.onViewChanged();
for (JFieldRef idRef : idsRefs) {
JBlock block = onViewChanged.body().block();
JVar view = block.decl(narrowAdapterViewClass, "view", cast(narrowAdapterViewClass, onViewChanged.findViewById(idRef)));
block._if(view.ne(JExpr._null()))._then().invoke(view, "setOnItemClickListener").arg(_new(onItemClickListenerAnonymousClass));
}
}
}