com.gargoylesoftware.htmlunit.html.HtmlResetInput Maven / Gradle / Ivy

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A headless browser intended for use in testing web-based applications.
There is a newer version: 2.70.0
/*
 * Copyright (c) 2002-2021 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
 * 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.gargoylesoftware.htmlunit.html;

import static com.gargoylesoftware.htmlunit.BrowserVersionFeatures.RESETINPUT_DEFAULT_VALUE_IF_VALUE_NOT_DEFINED;

import java.io.IOException;
import java.util.Map;

import com.gargoylesoftware.htmlunit.BrowserVersion;
import com.gargoylesoftware.htmlunit.SgmlPage;

/**
 * Wrapper for the HTML element "input".
 *
 * @author Mike Bowler
 * @author David K. Taylor
 * @author Christian Sell
 * @author Daniel Gredler
 * @author Ahmed Ashour
 * @author Ronald Brill
 * @author Frank Danek
 */
public class HtmlResetInput extends HtmlInput implements LabelableElement {

    /**
     * Value to use if no specified value attribute.
     */
    private static final String DEFAULT_VALUE = "Reset";

    /**
     * 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
     */
    HtmlResetInput(final String qualifiedName, final SgmlPage page,
            final Map attributes) {
        super(qualifiedName, page, addValueIfNeeded(page, attributes));
    }

    /**
     * Add missing attribute if needed by fixing attribute map rather to add it afterwards as this second option
     * triggers the instantiation of the script object at a time where the DOM node has not yet been added to its
     * parent.
     */
    private static Map addValueIfNeeded(final SgmlPage page,
            final Map attributes) {

        final BrowserVersion browserVersion = page.getWebClient().getBrowserVersion();
        if (browserVersion.hasFeature(RESETINPUT_DEFAULT_VALUE_IF_VALUE_NOT_DEFINED)) {
            for (final String key : attributes.keySet()) {
                if ("value".equalsIgnoreCase(key)) {
                    return attributes; // value attribute was specified
                }
            }

            // value attribute was not specified, add it
            final DomAttr newAttr = new DomAttr(page, null, "value", DEFAULT_VALUE, true);
            attributes.put("value", newAttr);
        }

        return attributes;
    }

    /**
     * {@inheritDoc}
     */
    @Override
    protected boolean doClickStateUpdate(final boolean shiftKey, final boolean ctrlKey) throws IOException {
        final HtmlForm form = getEnclosingForm();
        if (form != null) {
            form.reset();
            return false;
        }
        super.doClickStateUpdate(shiftKey, ctrlKey);
        return false;
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public void setDefaultChecked(final boolean defaultChecked) {
        // Empty.
    }

    /**
     * {@inheritDoc} This method does nothing for reset input elements.
     * @see SubmittableElement#reset()
     */
    @Override
    public void reset() {
        // Empty.
    }

    /**
     * {@inheritDoc} Returns "Reset" if value attribute is not defined.
     */
    @Override
    public String asText() {
        String text = getValueAttribute();
        if (text == ATTRIBUTE_NOT_DEFINED) {
            text = DEFAULT_VALUE;
        }
        return text;
    }

    /**
     * {@inheritDoc}
     */
    @Override
    protected void setAttributeNS(final String namespaceURI, final String qualifiedName, final String attributeValue,
            final boolean notifyAttributeChangeListeners, final boolean notifyMutationObservers) {
        if ("value".equals(qualifiedName)) {
            setDefaultValue(attributeValue, false);
        }
        super.setAttributeNS(namespaceURI, qualifiedName, attributeValue, notifyAttributeChangeListeners,
                notifyMutationObservers);
    }

    /**
     * {@inheritDoc}
     */
    @Override
    protected boolean propagateClickStateUpdateToParent() {
        return true;
    }

    /**
     * {@inheritDoc}
     */
    @Override
    protected boolean isRequiredSupported() {
        return false;
    }
}