/*******************************************************************************
* Copyright 2011 Google Inc. All Rights Reserved.
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* 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 com.google.gdt.eclipse.designer.smart.model;
import org.eclipse.wb.core.model.JavaInfo;
import org.eclipse.wb.internal.core.model.description.ParameterDescription;
import org.eclipse.wb.internal.core.model.nonvisual.AbstractArrayObjectInfo;
import org.eclipse.wb.internal.core.model.nonvisual.ArrayObjectInfo;
import org.eclipse.wb.internal.core.utils.ast.AstEditor;
import org.eclipse.wb.internal.core.utils.ast.DomGenerics;
import org.eclipse.wb.internal.core.utils.reflect.ReflectionUtils;
import org.eclipse.wb.internal.core.utils.state.EditorState;
import org.eclipse.jdt.core.dom.ArrayCreation;
import org.eclipse.jdt.core.dom.MethodInvocation;
import java.util.List;
/**
* Utility for any container accessing by setter with array parameter.
*
* @author sablin_aa
* @coverage SmartGWT.gef.policy
*/
public abstract class ArrayChildrenContainerUtils {
/**
* @return the {@link ArrayObjectInfo} for "setter method" invocation.
*/
public static AbstractArrayObjectInfo getMethodParameterArrayInfo(JavaInfo containerInfo,
String methodName,
String itemClassName) throws Exception {
// try find existing "arrayInfo"
List<AbstractArrayObjectInfo> childrenArrays =
containerInfo.getChildren(AbstractArrayObjectInfo.class);
for (AbstractArrayObjectInfo arrayObjectInfo : childrenArrays) {
if (methodName.equals(arrayObjectInfo.getCaption())) {
return arrayObjectInfo;
}
}
// prepare for create "arrayInfo"
AstEditor editor = containerInfo.getEditor();
MethodInvocation methodInvocation =
containerInfo.addMethodInvocation(methodName + "(" + itemClassName + "[])", "new "
+ itemClassName
+ "[] { }");
ArrayCreation arrayCreation = (ArrayCreation) DomGenerics.arguments(methodInvocation).get(0);
Class<?> itemClass =
ReflectionUtils.getClassByName(EditorState.get(editor).getEditorLoader(), itemClassName);
// create "arrayInfo"
ArrayObjectInfo arrayInfo = new ArrayObjectInfo(editor, methodName, itemClass, arrayCreation);
containerInfo.addChild(arrayInfo);
// configure "arrayInfo"
{
ParameterDescription parameterDescription =
containerInfo.getDescription().getMethod(methodName + "(" + itemClassName + "[])").getParameter(
0);
arrayInfo.setRemoveOnEmpty(parameterDescription.hasTrueTag(AbstractArrayObjectInfo.REMOVE_ON_EMPTY_TAG));
arrayInfo.setHideInTree(parameterDescription.hasTrueTag(AbstractArrayObjectInfo.HIDE_IN_TREE_TAG));
}
return arrayInfo;
}
}