org.androidannotations.internal.core.handler.ItemLongClickHandler Maven / Gradle / Ivy
/**
* Copyright (C) 2010-2016 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.internal.core.handler;
import static com.helger.jcodemodel.JExpr.cast;
import static com.helger.jcodemodel.JExpr.invoke;
import java.util.List;
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.AndroidAnnotationsEnvironment;
import org.androidannotations.ElementValidation;
import org.androidannotations.annotations.ItemLongClick;
import org.androidannotations.holder.EComponentWithViewSupportHolder;
import com.helger.jcodemodel.AbstractJClass;
import com.helger.jcodemodel.JBlock;
import com.helger.jcodemodel.JDefinedClass;
import com.helger.jcodemodel.JExpr;
import com.helger.jcodemodel.JInvocation;
import com.helger.jcodemodel.JMethod;
import com.helger.jcodemodel.JMod;
import com.helger.jcodemodel.JVar;
public class ItemLongClickHandler extends AbstractViewListenerHandler {
public ItemLongClickHandler(AndroidAnnotationsEnvironment environment) {
super(ItemLongClick.class, environment);
}
@Override
public void validate(Element element, ElementValidation validation) {
super.validate(element, validation);
ExecutableElement executableElement = (ExecutableElement) element;
validatorHelper.returnTypeIsVoidOrBoolean(executableElement, validation);
validatorHelper.param.anyType().optional().validate(executableElement, validation);
}
@Override
protected void makeCall(JBlock listenerMethodBody, JInvocation call, TypeMirror returnType) {
boolean returnMethodResult = returnType.getKind() != TypeKind.VOID;
if (returnMethodResult) {
listenerMethodBody._return(call);
} else {
listenerMethodBody.add(call);
listenerMethodBody._return(JExpr.TRUE);
}
}
@Override
protected void processParameters(EComponentWithViewSupportHolder holder, JMethod listenerMethod, JInvocation call, List parameters) {
boolean hasItemParameter = parameters.size() == 1;
AbstractJClass narrowAdapterViewClass = getClasses().ADAPTER_VIEW.narrow(getCodeModel().wildcard());
JVar onItemClickParentParam = listenerMethod.param(narrowAdapterViewClass, "parent");
listenerMethod.param(getClasses().VIEW, "view");
JVar onItemClickPositionParam = listenerMethod.param(getCodeModel().INT, "position");
listenerMethod.param(getCodeModel().LONG, "id");
if (hasItemParameter) {
VariableElement parameter = parameters.get(0);
TypeMirror parameterType = parameter.asType();
if (parameterType.getKind() == TypeKind.INT) {
call.arg(onItemClickPositionParam);
} else {
AbstractJClass parameterClass = codeModelHelper.typeMirrorToJClass(parameterType);
call.arg(cast(parameterClass, invoke(onItemClickParentParam, "getAdapter").invoke("getItem").arg(onItemClickPositionParam)));
if (parameterClass.isParameterized()) {
codeModelHelper.addSuppressWarnings(listenerMethod, "unchecked");
}
}
}
}
@Override
protected JMethod createListenerMethod(JDefinedClass listenerAnonymousClass) {
return listenerAnonymousClass.method(JMod.PUBLIC, getCodeModel().BOOLEAN, "onItemLongClick");
}
@Override
protected String getSetterName() {
return "setOnItemLongClickListener";
}
@Override
protected AbstractJClass getListenerClass(EComponentWithViewSupportHolder holder) {
return getClasses().ON_ITEM_LONG_CLICK_LISTENER;
}
@Override
protected AbstractJClass getListenerTargetClass(EComponentWithViewSupportHolder holder) {
return getClasses().ADAPTER_VIEW.narrow(getCodeModel().wildcard());
}
}