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XLT (Xceptance LoadTest) is an extensive load and performance test tool developed and maintained by Xceptance.
/*
* Copyright (c) 2002-2024 Gargoyle Software 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
* https://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.htmlunit.html;
import java.util.Map;
import org.apache.commons.lang3.StringUtils;
import org.htmlunit.SgmlPage;
/**
* Wrapper for the HTML element "input" where type is "range".
*
* @author Ahmed Ashour
* @author Ronald Brill
* @author Frank Danek
* @author Anton Demydenko
*/
public class HtmlRangeInput extends HtmlInput implements LabelableElement {
/**
* Creates an instance.
*
* @param qualifiedName the qualified name of the element type to instantiate
* @param page the page that contains this element
* @param attributes the initial attributes
*/
HtmlRangeInput(final String qualifiedName, final SgmlPage page,
final Map attributes) {
super(qualifiedName, page, attributes);
final String value = getValueAttribute();
if (value == ATTRIBUTE_NOT_DEFINED) {
final double min = getMinNumeric();
final double max = getMaxNumeric();
if (max < min) {
setValue(min);
unmarkValueDirty();
return;
}
final double val = min + ((max - min) / 2);
setValue(val);
unmarkValueDirty();
}
else {
setValue(value);
unmarkValueDirty();
}
}
/**
* @return the min as double
*/
public double getMinNumeric() {
final String min = getAttributeDirect("min");
if (min == ATTRIBUTE_NOT_DEFINED) {
return 0;
}
try {
return Double.parseDouble(min);
}
catch (final NumberFormatException e) {
return 0;
}
}
/**
* @return the max as double
*/
public double getMaxNumeric() {
final String max = getAttributeDirect("max");
if (max == ATTRIBUTE_NOT_DEFINED) {
return 100;
}
try {
return Double.parseDouble(max);
}
catch (final NumberFormatException e) {
return 100;
}
}
/**
* @return the max as double
*/
public double getStepNumeric() {
final String step = getAttributeDirect("step");
if (step == ATTRIBUTE_NOT_DEFINED) {
return 1;
}
try {
return Double.parseDouble(step);
}
catch (final NumberFormatException e) {
return 1;
}
}
/**
* {@inheritDoc}
*/
@Override
public void setDefaultChecked(final boolean defaultChecked) {
// Empty.
}
/**
* {@inheritDoc}
*/
@Override
public void setValue(final String newValue) {
try {
if (StringUtils.isNotEmpty(newValue)) {
setValue(Double.parseDouble(newValue));
}
else {
final double min = getMinNumeric();
final double max = getMaxNumeric();
// place in the middle
setValue(min + ((max - min) / 2));
}
}
catch (final NumberFormatException e) {
// ignore
}
}
private void setValue(final double newValue) {
double value = newValue;
final double min = getMinNumeric();
final double max = getMaxNumeric();
if (value > max) {
value = max;
}
else {
if (value < min) {
value = min;
}
}
final double step = getStepNumeric();
value = value - min;
int fact = (int) (value / step);
final double rest = value % step;
if (rest >= step / 2) {
fact++;
}
value = min + step * fact;
if (!Double.isInfinite(value) && (value == Math.floor(value))) {
super.setValue(Integer.toString((int) value));
}
else {
super.setValue(Double.toString(value));
}
}
@Override
protected void valueAttributeChanged(final String attributeValue, final boolean isValueDirty) {
if (isValueDirty) {
return;
}
try {
if (StringUtils.isNotEmpty(attributeValue)) {
setRawValue(Double.parseDouble(attributeValue));
}
else {
final double min = getMinNumeric();
final double max = getMaxNumeric();
// place in the middle
setRawValue(min + ((max - min) / 2));
}
}
catch (final NumberFormatException e) {
// ignore
}
}
private void setRawValue(final double newValue) {
double value = newValue;
final double min = getMinNumeric();
final double max = getMaxNumeric();
if (value > max) {
value = max;
}
else {
if (value < min) {
value = min;
}
}
final double step = getStepNumeric();
value = value - min;
int fact = (int) (value / step);
final double rest = value % step;
if (rest >= step / 2) {
fact++;
}
value = min + step * fact;
if (!Double.isInfinite(value) && value == Math.floor(value)) {
setRawValue(Integer.toString((int) value));
}
else {
setRawValue(Double.toString(value));
}
}
/**
* {@inheritDoc}
*/
@Override
protected boolean isRequiredSupported() {
return false;
}
/**
* {@inheritDoc}
*/
@Override
public boolean isValid() {
return super.isValid() && isMaxValid() && isMinValid();
}
/**
* Returns if the input element has a valid min value. Refer to the
* HTML 5
* documentation for details.
*
* @return if the input element has a valid min value
*/
private boolean isMinValid() {
if (!getRawValue().isEmpty() && !getMin().isEmpty()) {
try {
final double value = Double.parseDouble(getRawValue());
return getMinNumeric() <= value;
}
catch (final NumberFormatException e) {
// ignore
}
}
return true;
}
/**
* Returns if the input element has a valid max value. Refer to the
* HTML 5
* documentation for details.
*
* @return if the input element has a valid max value
*/
private boolean isMaxValid() {
if (!getRawValue().isEmpty() && !getMax().isEmpty()) {
try {
final int value = Integer.parseInt(getRawValue());
return getMaxNumeric() >= value;
}
catch (final NumberFormatException e) {
// ignore
}
}
return true;
}
}