/*
* 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.testapp.adapter;
import android.databinding.BindingAdapter;
import android.databinding.testapp.GenericView;
import android.widget.TextView;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.List;
public class GenericAdapter {
@BindingAdapter("textList1")
public static <T> void setListText(TextView view, List<T> list) {
setText(view, list);
}
@BindingAdapter("textList2")
public static <T> void setCollectionText(TextView view, Collection<T> list) {
setText(view, list);
}
@BindingAdapter("textArray")
public static <T> void setArrayText(TextView view, T[] values) {
setText(view, Arrays.asList(values));
}
@BindingAdapter({"textList1", "textArray"})
public static <T> void setListAndArray(TextView view, List<T> list, T[] values) {
setText(view, list);
}
@BindingAdapter("list")
public static <T> void setGenericViewValue(GenericView<T> view, List<T> value) {
view.setList(value);
}
@BindingAdapter({"list", "array"})
public static <T> void setGenericListAndArray(GenericView<T> view, List<T> list, T[] values) {
view.setList(list);
}
@BindingAdapter("textList3")
public static void setGenericList(TextView view, List<String> list) {
setText(view, list);
}
@BindingAdapter("textList3")
public static void setGenericIntegerList(TextView view, List<Integer> list) {
}
private static <T> void setText(TextView view, Collection<T> collection) {
StringBuilder stringBuilder = new StringBuilder();
boolean isFirst = true;
for (T val : collection) {
if (isFirst) {
isFirst = false;
} else {
stringBuilder.append(' ');
}
stringBuilder.append(val.toString());
}
view.setText(stringBuilder.toString());
}
}