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// Copyright (C) 2011 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 com.google.gerrit.client.admin;
import com.google.gwt.editor.client.IsEditor;
import com.google.gwt.editor.client.adapters.TakesValueEditor;
import com.google.gwt.text.shared.Renderer;
import com.google.gwt.user.client.ui.Composite;
import com.google.gwt.user.client.ui.IntegerBox;
import com.google.gwt.user.client.ui.ValueBoxBase.TextAlignment;
import com.google.gwt.user.client.ui.ValueListBox;
import java.io.IOException;
abstract class RangeBox extends Composite implements
IsEditor<TakesValueEditor<Integer>> {
static final RangeRenderer rangeRenderer = new RangeRenderer();
private static class RangeRenderer implements Renderer<Integer> {
@Override
public String render(Integer object) {
if (0 <= object) {
return "+" + object;
}
return String.valueOf(object);
}
@Override
public void render(Integer object, Appendable appendable)
throws IOException {
appendable.append(render(object));
}
}
static class List extends RangeBox {
final ValueListBox<Integer> list;
List() {
list = new ValueListBox<>(rangeRenderer);
initWidget(list);
}
@Override
void setEnabled(boolean on) {
list.getElement().setPropertyBoolean("disabled", !on);
}
@Override
public TakesValueEditor<Integer> asEditor() {
return list.asEditor();
}
}
static class Box extends RangeBox {
private final IntegerBox box;
Box() {
box = new IntegerBox();
box.setVisibleLength(10);
box.setAlignment(TextAlignment.RIGHT);
initWidget(box);
}
@Override
void setEnabled(boolean on) {
box.getElement().setPropertyBoolean("disabled", !on);
}
@Override
public TakesValueEditor<Integer> asEditor() {
return box.asEditor();
}
}
abstract void setEnabled(boolean on);
}