org.htmlunit.html.HtmlArea Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of xlt Show documentation
Show all versions of xlt Show documentation
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 static org.htmlunit.BrowserVersionFeatures.CSS_DISPLAY_BLOCK;
import java.io.IOException;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.Arrays;
import java.util.Locale;
import java.util.Map;
import org.apache.commons.lang3.StringUtils;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.htmlunit.SgmlPage;
import org.htmlunit.WebClient;
import org.htmlunit.WebRequest;
import org.htmlunit.WebWindow;
import org.htmlunit.javascript.host.event.Event;
import org.htmlunit.protocol.javascript.JavaScriptURLConnection;
import org.htmlunit.util.geometry.Circle2D;
import org.htmlunit.util.geometry.Polygon2D;
import org.htmlunit.util.geometry.Rectangle2D;
import org.htmlunit.util.geometry.Shape2D;
/**
* Wrapper for the HTML element "area".
*
* @author Mike Bowler
* @author David K. Taylor
* @author Christian Sell
* @author Marc Guillemot
* @author Ahmed Ashour
* @author Frank Danek
* @author Ronald Brill
*/
public class HtmlArea extends HtmlElement {
private static final Log LOG = LogFactory.getLog(HtmlArea.class);
/** The HTML tag represented by this element. */
public static final String TAG_NAME = "area";
private static final String SHAPE_RECT = "rect";
private static final String SHAPE_CIRCLE = "circle";
private static final String SHAPE_POLY = "poly";
/**
* Creates a new 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
*/
HtmlArea(final String qualifiedName, final SgmlPage page,
final Map attributes) {
super(qualifiedName, page, attributes);
}
/**
* {@inheritDoc}
*/
@Override
protected boolean doClickStateUpdate(final boolean shiftKey, final boolean ctrlKey) throws IOException {
final HtmlPage enclosingPage = (HtmlPage) getPage();
final WebClient webClient = enclosingPage.getWebClient();
final String href = getHrefAttribute().trim();
if (!href.isEmpty()) {
final HtmlPage page = (HtmlPage) getPage();
if (StringUtils.startsWithIgnoreCase(href, JavaScriptURLConnection.JAVASCRIPT_PREFIX)) {
page.executeJavaScript(
href, "javascript url", getStartLineNumber());
return false;
}
final URL url;
try {
url = enclosingPage.getFullyQualifiedUrl(getHrefAttribute());
}
catch (final MalformedURLException e) {
throw new IllegalStateException(
"Not a valid url: " + getHrefAttribute(), e);
}
final WebRequest request = new WebRequest(url, page.getCharset(), page.getUrl());
final WebWindow webWindow = enclosingPage.getEnclosingWindow();
final String target = enclosingPage.getResolvedTarget(getTargetAttribute());
webClient.getPage(webClient.openTargetWindow(webWindow, target, WebClient.TARGET_SELF), request);
}
return false;
}
/**
* Returns the value of the attribute {@code shape}. Refer to the
* HTML 4.01
* documentation for details on the use of this attribute.
*
* @return the value of the attribute {@code shape} or an empty string if that attribute isn't defined
*/
public final String getShapeAttribute() {
return getAttributeDirect("shape");
}
/**
* Returns the value of the attribute {@code coords}. Refer to the
* HTML 4.01
* documentation for details on the use of this attribute.
*
* @return the value of the attribute {@code coords} or an empty string if that attribute isn't defined
*/
public final String getCoordsAttribute() {
return getAttributeDirect("coords");
}
/**
* Returns the value of the attribute {@code href}. Refer to the
* HTML 4.01
* documentation for details on the use of this attribute.
*
* @return the value of the attribute {@code href} or an empty string if that attribute isn't defined
*/
public final String getHrefAttribute() {
return getAttributeDirect("href");
}
/**
* Returns the value of the attribute {@code nohref}. Refer to the
* HTML 4.01
* documentation for details on the use of this attribute.
*
* @return the value of the attribute {@code nohref} or an empty string if that attribute isn't defined
*/
public final String getNoHrefAttribute() {
return getAttributeDirect("nohref");
}
/**
* Returns the value of the attribute {@code alt}. Refer to the
* HTML 4.01
* documentation for details on the use of this attribute.
*
* @return the value of the attribute {@code alt} or an empty string if that attribute isn't defined
*/
public final String getAltAttribute() {
return getAttributeDirect("alt");
}
/**
* Returns the value of the attribute {@code tabindex}. Refer to the
* HTML 4.01
* documentation for details on the use of this attribute.
*
* @return the value of the attribute {@code tabindex} or an empty string if that attribute isn't defined
*/
public final String getTabIndexAttribute() {
return getAttributeDirect("tabindex");
}
/**
* Returns the value of the attribute {@code accesskey}. Refer to the
* HTML 4.01
* documentation for details on the use of this attribute.
*
* @return the value of the attribute {@code accesskey} or an empty string if that attribute isn't defined
*/
public final String getAccessKeyAttribute() {
return getAttributeDirect("accesskey");
}
/**
* Returns the value of the attribute {@code onfocus}. Refer to the
* HTML 4.01
* documentation for details on the use of this attribute.
*
* @return the value of the attribute {@code onfocus} or an empty string if that attribute isn't defined
*/
public final String getOnFocusAttribute() {
return getAttributeDirect("onfocus");
}
/**
* Returns the value of the attribute {@code onblur}. Refer to the
* HTML 4.01
* documentation for details on the use of this attribute.
*
* @return the value of the attribute {@code onblur} or an empty string if that attribute isn't defined
*/
public final String getOnBlurAttribute() {
return getAttributeDirect("onblur");
}
/**
* Returns the value of the attribute {@code target}. Refer to the
* HTML 4.01
* documentation for details on the use of this attribute.
*
* @return the value of the attribute {@code target} or an empty string if that attribute isn't defined
*/
public final String getTargetAttribute() {
return getAttributeDirect("target");
}
/**
* Indicates if this area contains the specified point.
* @param x the x coordinate of the point
* @param y the y coordinate of the point
* @return {@code true} if the point is contained in this area
*/
boolean containsPoint(final int x, final int y) {
final String shape = StringUtils.defaultIfEmpty(getShapeAttribute(), SHAPE_RECT).toLowerCase(Locale.ROOT);
if ("default".equals(shape) && getCoordsAttribute() != null) {
return true;
}
if (SHAPE_RECT.equals(shape) && getCoordsAttribute() != null) {
final Shape2D rectangle = parseRect();
return rectangle.contains(x, y);
}
if (SHAPE_CIRCLE.equals(shape) && getCoordsAttribute() != null) {
final Shape2D circle = parseCircle();
return circle.contains(x, y);
}
if (SHAPE_POLY.equals(shape) && getCoordsAttribute() != null) {
final Shape2D path = parsePoly();
return path.contains(x, y);
}
return false;
}
/**
* {@inheritDoc}
*/
@Override
public DisplayStyle getDefaultStyleDisplay() {
if (hasFeature(CSS_DISPLAY_BLOCK)) {
return DisplayStyle.NONE;
}
return DisplayStyle.INLINE;
}
/**
* {@inheritDoc}
*/
@Override
public boolean isDisplayed() {
final DomNode parent = getParentNode();
if (parent instanceof HtmlMap && parent.isDisplayed()) {
return !isEmpty();
}
return false;
}
private Rectangle2D parseRect() {
// browsers seem to support comma and blank
final String[] coords = org.htmlunit.util.StringUtils.splitAtCommaOrBlank(getCoordsAttribute());
double leftX = 0;
double topY = 0;
double rightX = 0;
double bottomY = 0;
try {
if (coords.length > 0) {
leftX = Double.parseDouble(coords[0].trim());
}
if (coords.length > 1) {
topY = Double.parseDouble(coords[1].trim());
}
if (coords.length > 2) {
rightX = Double.parseDouble(coords[2].trim());
}
if (coords.length > 3) {
bottomY = Double.parseDouble(coords[3].trim());
}
}
catch (final NumberFormatException e) {
if (LOG.isWarnEnabled()) {
LOG.warn("Invalid rect coords '" + Arrays.toString(coords) + "'", e);
}
}
return new Rectangle2D(leftX, topY, rightX, bottomY);
}
private Circle2D parseCircle() {
// browsers seem to support comma and blank
final String[] coords = org.htmlunit.util.StringUtils.splitAtCommaOrBlank(getCoordsAttribute());
double centerX = 0;
double centerY = 0;
double radius = 0;
try {
if (coords.length > 0) {
centerX = Double.parseDouble(coords[0].trim());
}
if (coords.length > 1) {
centerY = Double.parseDouble(coords[1].trim());
}
if (coords.length > 2) {
radius = Double.parseDouble(coords[2].trim());
}
}
catch (final NumberFormatException e) {
LOG.warn("Invalid circle coords '" + Arrays.toString(coords) + "'", e);
}
return new Circle2D(centerX, centerY, radius);
}
private Shape2D parsePoly() {
// browsers seem to support comma and blank
final String[] coords = org.htmlunit.util.StringUtils.splitAtCommaOrBlank(getCoordsAttribute());
try {
if (coords.length > 1) {
final Polygon2D path = new Polygon2D(Double.parseDouble(coords[0]), Double.parseDouble(coords[1]));
for (int i = 2; i + 1 < coords.length; i += 2) {
path.lineTo(Double.parseDouble(coords[i]), Double.parseDouble(coords[i + 1]));
}
return path;
}
}
catch (final NumberFormatException e) {
if (LOG.isWarnEnabled()) {
LOG.warn("Invalid poly coords '" + Arrays.toString(coords) + "'", e);
}
}
return new Rectangle2D(0, 0, 0, 0);
}
/**
* {@inheritDoc}
*/
@Override
public boolean handles(final Event event) {
if (Event.TYPE_BLUR.equals(event.getType()) || Event.TYPE_FOCUS.equals(event.getType())) {
return true;
}
return super.handles(event);
}
private boolean isEmpty() {
final String shape = StringUtils.defaultIfEmpty(getShapeAttribute(), SHAPE_RECT).toLowerCase(Locale.ROOT);
if ("default".equals(shape) && getCoordsAttribute() != null) {
return false;
}
if (SHAPE_RECT.equals(shape) && getCoordsAttribute() != null) {
final Shape2D rectangle = parseRect();
return rectangle.isEmpty();
}
if (SHAPE_CIRCLE.equals(shape) && getCoordsAttribute() != null) {
final Shape2D circle = parseCircle();
return circle.isEmpty();
}
if (SHAPE_POLY.equals(shape) && getCoordsAttribute() != null) {
final Shape2D path = parsePoly();
return path.isEmpty();
}
return false;
}
}