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/*
* 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 static org.htmlunit.BrowserVersionFeatures.EVENT_ONCHANGE_AFTER_ONCLICK;
import static org.htmlunit.BrowserVersionFeatures.HTMLINPUT_CHECKBOX_DOES_NOT_CLICK_SURROUNDING_ANCHOR;
import java.io.IOException;
import java.util.Map;
import org.htmlunit.Page;
import org.htmlunit.ScriptResult;
import org.htmlunit.SgmlPage;
import org.htmlunit.javascript.host.event.Event;
/**
* Wrapper for the HTML element "input".
*
* @author Mike Bowler
* @author David K. Taylor
* @author Christian Sell
* @author Marc Guillemot
* @author Mike Bresnahan
* @author Daniel Gredler
* @author Bruce Faulkner
* @author Ahmed Ashour
* @author Benoit Heinrich
* @author Ronald Brill
* @author Frank Danek
*/
public class HtmlRadioButtonInput extends HtmlInput implements LabelableElement {
/**
* Value to use if no specified value attribute.
*/
private static final String DEFAULT_VALUE = "on";
private boolean defaultCheckedState_;
private boolean checkedState_;
/**
* Creates an instance.
* If no value is specified, it is set to "on" as browsers do
* even if spec says that it is not allowed
* (W3C).
*
* @param qualifiedName the qualified name of the element type to instantiate
* @param page the page that contains this element
* @param attributes the initial attributes
*/
HtmlRadioButtonInput(final String qualifiedName, final SgmlPage page,
final Map attributes) {
super(qualifiedName, page, attributes);
if (getAttributeDirect(VALUE_ATTRIBUTE) == ATTRIBUTE_NOT_DEFINED) {
setRawValue(DEFAULT_VALUE);
}
defaultCheckedState_ = hasAttribute(ATTRIBUTE_CHECKED);
checkedState_ = defaultCheckedState_;
}
/**
* Returns {@code true} if this element is currently selected.
* @return {@code true} if this element is currently selected
*/
@Override
public boolean isChecked() {
return checkedState_;
}
/**
* {@inheritDoc}
* @see SubmittableElement#reset()
*/
@Override
public void reset() {
setChecked(defaultCheckedState_);
}
void setCheckedInternal(final boolean isChecked) {
checkedState_ = isChecked;
}
/**
* Sets the {@code checked} attribute.
*
* @param isChecked true if this element is to be selected
* @return the page that occupies this window after setting checked status
* It may be the same window or it may be a freshly loaded one.
*/
@Override
public Page setChecked(final boolean isChecked) {
Page page = getPage();
final boolean changed = isChecked() != isChecked;
checkedState_ = isChecked;
if (isChecked) {
final HtmlForm form = getEnclosingForm();
if (form != null) {
form.setCheckedRadioButton(this);
}
else if (page != null && page.isHtmlPage()) {
setCheckedForPage((HtmlPage) page);
}
}
if (changed) {
final ScriptResult scriptResult = fireEvent(Event.TYPE_CHANGE);
if (scriptResult != null && page != null) {
page = page.getEnclosingWindow().getWebClient().getCurrentWindow().getEnclosedPage();
}
}
return page;
}
/**
* Override of default clickAction that makes this radio button the selected
* one when it is clicked.
* {@inheritDoc}
*
* @throws IOException if an IO error occurred
*/
@Override
protected boolean doClickStateUpdate(final boolean shiftKey, final boolean ctrlKey) throws IOException {
final HtmlForm form = getEnclosingForm();
final boolean changed = !isChecked();
final Page page = getPage();
if (form != null) {
form.setCheckedRadioButton(this);
}
else if (page != null && page.isHtmlPage()) {
setCheckedForPage((HtmlPage) page);
}
super.doClickStateUpdate(shiftKey, ctrlKey);
return changed;
}
/**
* Select the specified radio button in the page (outside any <form>).
*/
private void setCheckedForPage(final HtmlPage htmlPage) {
final String name = getNameAttribute();
for (final HtmlElement htmlElement : htmlPage.getHtmlElementDescendants()) {
if (htmlElement instanceof HtmlRadioButtonInput) {
final HtmlRadioButtonInput radioInput = (HtmlRadioButtonInput) htmlElement;
if (name.equals(radioInput.getAttribute(DomElement.NAME_ATTRIBUTE))
&& radioInput.getEnclosingForm() == null) {
if (radioInput == this) {
setCheckedInternal(true);
}
else {
radioInput.setCheckedInternal(false);
}
}
}
}
}
/**
* {@inheritDoc}
*/
@Override
protected ScriptResult doClickFireClickEvent(final Event event) {
if (!hasFeature(EVENT_ONCHANGE_AFTER_ONCLICK)) {
executeOnChangeHandlerIfAppropriate(this);
}
return super.doClickFireClickEvent(event);
}
/**
* {@inheritDoc}
*/
@Override
protected void doClickFireChangeEvent() {
if (hasFeature(EVENT_ONCHANGE_AFTER_ONCLICK)) {
executeOnChangeHandlerIfAppropriate(this);
}
}
/**
* {@inheritDoc}
*/
@Override
protected void preventDefault() {
checkedState_ = !checkedState_;
}
/**
* {@inheritDoc}
* Also sets the value to the new default value.
* @see SubmittableElement#setDefaultValue(String)
*/
@Override
public void setDefaultValue(final String defaultValue) {
super.setDefaultValue(defaultValue);
setValue(defaultValue);
}
/**
* {@inheritDoc}
* Also sets the default value.
*/
@Override
public void setValue(final String newValue) {
super.setValue(newValue);
super.setDefaultValue(newValue);
}
/**
* {@inheritDoc}
* @see SubmittableElement#setDefaultChecked(boolean)
*/
@Override
public void setDefaultChecked(final boolean defaultChecked) {
defaultCheckedState_ = defaultChecked;
setChecked(isDefaultChecked());
}
/**
* {@inheritDoc}
* @see SubmittableElement#isDefaultChecked()
*/
@Override
public boolean isDefaultChecked() {
return defaultCheckedState_;
}
/**
* {@inheritDoc}
*/
@Override
protected boolean isStateUpdateFirst() {
return true;
}
/**
* {@inheritDoc}
*/
@Override
protected void onAddedToPage() {
super.onAddedToPage();
setChecked(isChecked());
}
@Override
protected Object getInternalValue() {
return isChecked();
}
@Override
void handleFocusLostValueChanged() {
// ignore
}
/**
* {@inheritDoc}
*/
@Override
protected void setAttributeNS(final String namespaceURI, final String qualifiedName, final String attributeValue,
final boolean notifyAttributeChangeListeners, final boolean notifyMutationObservers) {
final String qualifiedNameLC = org.htmlunit.util.StringUtils.toRootLowerCase(qualifiedName);
if (VALUE_ATTRIBUTE.equals(qualifiedNameLC)) {
super.setAttributeNS(namespaceURI, qualifiedNameLC, attributeValue, notifyAttributeChangeListeners,
notifyMutationObservers);
setRawValue(attributeValue);
return;
}
if (ATTRIBUTE_CHECKED.equals(qualifiedNameLC)) {
checkedState_ = true;
}
super.setAttributeNS(namespaceURI, qualifiedNameLC, attributeValue, notifyAttributeChangeListeners,
notifyMutationObservers);
}
/**
* {@inheritDoc}
*/
@Override
protected boolean propagateClickStateUpdateToParent() {
return !hasFeature(HTMLINPUT_CHECKBOX_DOES_NOT_CLICK_SURROUNDING_ANCHOR)
&& super.propagateClickStateUpdateToParent();
}
@Override
public boolean isValueMissingValidityState() {
if (ATTRIBUTE_NOT_DEFINED == getAttributeDirect(ATTRIBUTE_REQUIRED)) {
return false;
}
if (ATTRIBUTE_NOT_DEFINED == getNameAttribute()) {
return false;
}
final String name = getNameAttribute();
for (final HtmlElement htmlElement : getPage().getHtmlElementDescendants()) {
if (htmlElement instanceof HtmlRadioButtonInput) {
final HtmlRadioButtonInput radioInput = (HtmlRadioButtonInput) htmlElement;
if (name.equals(radioInput.getAttribute(DomElement.NAME_ATTRIBUTE))
&& radioInput.isChecked()) {
return false;
}
}
}
return true;
}
}