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/*
* 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.adapters;
import android.databinding.BindingAdapter;
import android.databinding.BindingMethod;
import android.databinding.BindingMethods;
import android.databinding.adapters.AdapterViewBindingAdapter.OnItemSelected;
import android.databinding.adapters.AdapterViewBindingAdapter.OnItemSelectedComponentListener;
import android.databinding.adapters.AdapterViewBindingAdapter.OnNothingSelected;
import android.widget.AutoCompleteTextView;
import android.widget.AutoCompleteTextView.Validator;
@BindingMethods({
@BindingMethod(type = AutoCompleteTextView.class, attribute = "android:completionThreshold", method = "setThreshold"),
@BindingMethod(type = AutoCompleteTextView.class, attribute = "android:popupBackground", method = "setDropDownBackgroundDrawable"),
@BindingMethod(type = AutoCompleteTextView.class, attribute = "android:onDismiss", method = "setOnDismissListener"),
@BindingMethod(type = AutoCompleteTextView.class, attribute = "android:onItemClick", method = "setOnItemClickListener"),
})
public class AutoCompleteTextViewBindingAdapter {
@BindingAdapter(value = {"android:fixText", "android:isValid"}, requireAll = false)
public static void setValidator(AutoCompleteTextView view, final FixText fixText,
final IsValid isValid) {
if (fixText == null && isValid == null) {
view.setValidator(null);
} else {
view.setValidator(new Validator() {
@Override
public boolean isValid(CharSequence text) {
if (isValid != null) {
return isValid.isValid(text);
} else {
return true;
}
}
@Override
public CharSequence fixText(CharSequence invalidText) {
if (fixText != null) {
return fixText.fixText(invalidText);
} else {
return invalidText;
}
}
});
}
}
@BindingAdapter(value = {"android:onItemSelected", "android:onNothingSelected"},
requireAll = false)
public static void setOnItemSelectedListener(AutoCompleteTextView view,
final OnItemSelected selected, final OnNothingSelected nothingSelected) {
if (selected == null && nothingSelected == null) {
view.setOnItemSelectedListener(null);
} else {
view.setOnItemSelectedListener(
new OnItemSelectedComponentListener(selected, nothingSelected, null));
}
}
public interface IsValid {
boolean isValid(CharSequence text);
}
public interface FixText {
CharSequence fixText(CharSequence invalidText);
}
}
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