// Copyright (C) 2010 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.ui;
import com.google.gwt.dom.client.Element;
import com.google.gwt.event.dom.client.KeyCodes;
import com.google.gwt.event.dom.client.KeyPressEvent;
import com.google.gwt.event.dom.client.KeyPressHandler;
import com.google.gwtexpui.globalkey.client.NpTextBox;
/** Text box that accepts only integer values. */
public class NpIntTextBox extends NpTextBox {
private int intValue;
public NpIntTextBox() {
init();
}
public NpIntTextBox(Element element) {
super(element);
init();
}
private void init() {
addKeyPressHandler(new KeyPressHandler() {
@Override
public void onKeyPress(KeyPressEvent event) {
char c = event.getCharCode();
if (c < '0' || '9' < c) {
final int nativeCode = event.getNativeEvent().getKeyCode();
switch (nativeCode) {
case KeyCodes.KEY_BACKSPACE:
case KeyCodes.KEY_LEFT:
case KeyCodes.KEY_RIGHT:
case KeyCodes.KEY_HOME:
case KeyCodes.KEY_END:
case KeyCodes.KEY_TAB:
case KeyCodes.KEY_DELETE:
break;
default:
if (!event.isAnyModifierKeyDown()) {
event.preventDefault();
}
break;
}
}
}
});
}
public int getIntValue() {
String txt = getText().trim();
if (!txt.isEmpty()) {
try {
intValue = Integer.parseInt(getText());
} catch (NumberFormatException e) {
}
}
return intValue;
}
public void setIntValue(int v) {
intValue = v;
setText(Integer.toString(v));
}
}