/*
* Copyright 2015 JBoss, by Red Hat, Inc
*
* 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 org.uberfire.ext.widgets.common.client.common;
import com.google.gwt.regexp.shared.RegExp;
/**
* A TextBox to handle numeric Long values
*/
public class NumericLongTextBox extends AbstractRestrictedEntryTextBox {
// A valid number
private static final RegExp VALID = RegExp.compile("(^[-]?\\d*$)");
public NumericLongTextBox() {
super(false);
}
public NumericLongTextBox(final boolean allowEmptyValue) {
super(allowEmptyValue);
}
@Override
public boolean isValidValue(String value,
boolean isOnFocusLost) {
boolean isValid = VALID.test(value);
if (!isValid) {
return isValid;
}
if (!isOnFocusLost && "-".equals(value)) {
return true;
}
try {
Long.parseLong(value);
} catch (NumberFormatException nfe) {
isValid = ("".equals(value) && allowEmptyValue);
}
return isValid;
}
@Override
protected String makeValidValue(String value) {
return "0";
}
}