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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 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.TypeMirror;
import org.androidannotations.annotations.AfterTextChange;
import org.androidannotations.helper.APTCodeModelHelper;
import org.androidannotations.helper.CanonicalNameConstants;
import org.androidannotations.helper.TextWatcherHelper;
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.JExpression;
import com.sun.codemodel.JFieldRef;
import com.sun.codemodel.JInvocation;
import com.sun.codemodel.JMethod;
import com.sun.codemodel.JVar;
/**
*/
public class AfterTextChangeProcessor implements DecoratingElementProcessor {
private final TextWatcherHelper helper;
private final APTCodeModelHelper codeModelHelper;
public AfterTextChangeProcessor(ProcessingEnvironment processingEnv, IRClass rClass) {
codeModelHelper = new APTCodeModelHelper();
helper = new TextWatcherHelper(processingEnv, getTarget(), rClass, codeModelHelper);
}
@Override
public String getTarget() {
return AfterTextChange.class.getName();
}
@Override
public void process(Element element, JCodeModel codeModel, EBeanHolder holder) {
String methodName = element.getSimpleName().toString();
ExecutableElement executableElement = (ExecutableElement) element;
List<? extends VariableElement> parameters = executableElement.getParameters();
int editableParameterPosition = -1;
int viewParameterPosition = -1;
TypeMirror viewParameterType = null;
for (int i = 0; i < parameters.size(); i++) {
VariableElement parameter = parameters.get(i);
TypeMirror parameterType = parameter.asType();
if (CanonicalNameConstants.EDITABLE.equals(parameterType.toString())) {
editableParameterPosition = i;
} else {
TypeMirror textViewType = helper.typeElementFromQualifiedName(CanonicalNameConstants.TEXT_VIEW).asType();
if (helper.isSubtype(parameterType, textViewType)) {
viewParameterPosition = i;
viewParameterType = parameterType;
}
}
}
List<JFieldRef> idsRefs = helper.extractAnnotationFieldRefs(holder, element, Res.ID, true);
for (JFieldRef idRef : idsRefs) {
TextWatcherHolder textWatcherHolder = helper.getOrCreateListener(codeModel, holder, idRef, viewParameterType);
JInvocation textChangeCall;
JMethod methodToCall = textWatcherHolder.afterTextChangedMethod;
JBlock previousBody = codeModelHelper.removeBody(methodToCall);
JBlock methodBody = methodToCall.body();
methodBody.add(previousBody);
JExpression activityRef = holder.generatedClass.staticRef("this");
textChangeCall = methodBody.invoke(activityRef, methodName);
for (int i = 0; i < parameters.size(); i++) {
if (i == editableParameterPosition) {
JVar afterTextChangeEditableParam = codeModelHelper.findParameterByName(methodToCall, "s");
textChangeCall.arg(afterTextChangeEditableParam);
} else if (i == viewParameterPosition) {
JVar viewParameter = textWatcherHolder.viewVariable;
textChangeCall.arg(viewParameter);
}
}
}
}
}