| /* |
| * Copyright (C) 2015 The Android Open Source Project |
| * |
| * 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 android.databinding.tool.expr; |
| |
| import android.databinding.tool.BindingTarget; |
| import android.databinding.tool.reflection.ModelAnalyzer; |
| import android.databinding.tool.reflection.ModelClass; |
| import android.databinding.tool.writer.LayoutBinderWriterKt; |
| |
| public class ViewFieldExpr extends BuiltInVariableExpr { |
| private final BindingTarget mBindingTarget; |
| |
| ViewFieldExpr(BindingTarget bindingTarget) { |
| super(LayoutBinderWriterKt.getFieldName(bindingTarget), bindingTarget.getInterfaceType(), |
| LayoutBinderWriterKt.getFieldName(bindingTarget)); |
| mBindingTarget = bindingTarget; |
| } |
| |
| @Override |
| public String getInvertibleError() { |
| return "View fields may not be the target of two-way binding"; |
| } |
| |
| public BindingTarget getBindingTarget() { |
| return mBindingTarget; |
| } |
| |
| @Override |
| protected ModelClass resolveType(ModelAnalyzer modelAnalyzer) { |
| final ModelClass type = modelAnalyzer.findClass(mBindingTarget.getInterfaceType(), null); |
| if (type == null) { |
| return modelAnalyzer.findClass(ModelAnalyzer.VIEW_DATA_BINDING, null); |
| } |
| return type; |
| } |
| |
| @Override |
| public Expr cloneToModel(ExprModel model) { |
| return model.viewFieldExpr(mBindingTarget); |
| } |
| } |