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com.googlecode.gwt.test.internal.utils.JsoUtils Maven / Gradle / Ivy
package com.googlecode.gwt.test.internal.utils;
import com.google.gwt.core.client.JavaScriptObject;
import com.google.gwt.dom.client.*;
import com.google.gwt.user.client.ui.Widget;
import com.googlecode.gwt.test.finder.GwtFinder;
import com.googlecode.gwt.test.utils.GwtReflectionUtils;
import com.googlecode.gwt.test.utils.JavaScriptObjects;
import com.googlecode.gwt.test.utils.WidgetUtils;
import java.util.*;
/**
* Some {@link JavaScriptObject} utility methods. For internal use only.
*
* @author Gael Lazzari
*/
public class JsoUtils {
private static final Set DOM_PROPERTIES = new HashSet() {
/**
*
*/
private static final long serialVersionUID = 1L;
{
/*
*
* Parse HTML standard attributes here : http://www.w3.org/TR/html4/index/attributes.html
*
* With this jQuery script :
*
*
*/
add("abbr");
add("accept-charset");
add("accept");
add("accesskey");
add("action");
add("align");
add("alink");
add("alt");
add("archive");
add("axis");
add("background");
add("bgcolor");
add("border");
add("cellpadding");
add("cellspacing");
add("char");
add("charoff");
add("charset");
add("checked");
add("cite");
add("class");
add("classid");
add("clear");
add("code");
add("codebase");
add("codetype");
add("color");
add("cols");
add("colspan");
add("compact");
add("content");
add("coords");
add("data");
add("datetime");
add("declare");
add("defer");
add("dir");
add("disabled");
add("enctype");
add("face");
add("for");
add("frame");
add("frameborder");
add("headers");
add("height");
add("href");
add("hreflang");
add("hspace");
add("http-equiv");
add("id");
add("ismap");
add("label");
add("lang");
add("language");
add("link");
add("longdesc");
add("marginheight");
add("marginwidth");
add("maxlength");
add("media");
add("method");
add("multiple");
add("name");
add("nohref");
add("noresize");
add("noshade");
add("nowrap");
add("object");
add("onblur");
add("onchange");
add("onclick");
add("ondblclick");
add("onfocus");
add("onkeydown");
add("onkeypress");
add("onkeyup");
add("onload");
add("onmousedown");
add("onmousemove");
add("onmouseout");
add("onmouseover");
add("onmouseup");
add("onreset");
add("onselect");
add("onsubmit");
add("onunload");
add("profile");
add("prompt");
add("readonly");
add("rel");
add("rev");
add("rows");
add("rowspan");
add("rules");
add("scheme");
add("scope");
add("scrolling");
add("selected");
add("shape");
add("size");
add("span");
add("src");
add("standby");
add("start");
add("style");
add("summary");
add("tabindex");
add("target");
add("text");
add("title");
add("type");
add("usemap");
add("valign");
add("value");
add("valuetype");
add("version");
add("vlink");
add("vspace");
add("width");
}
};
private static final String ELEM_PROPERTIES = "ELEM_PROPERTIES";
private static final String IS_XML_ELEMENT = "IS_XML_ELEMENT";
private static final String NODE_LIST_FIELD = "childNodes";
private static final String NODE_LIST_INNER_LIST = "NODE_LIST_INNER_LIST";
private static final String NODE_NAME = "nodeName";
private static final String NODE_TYPE_FIELD = "nodeType";
private static final String PARENT_NODE_FIELD = "parentNode";
private static final String TAG_NAME = "tagName";
public static JavaScriptObject cloneJso(JavaScriptObject oldJso, boolean deep) {
JavaScriptObject newJso = JavaScriptObject.createObject();
if (Node.is(oldJso)) {
short nodeType = oldJso.cast().getNodeType();
JavaScriptObjects.setProperty(newJso, NODE_TYPE_FIELD, nodeType);
}
for (Map.Entry entry : JavaScriptObjects.entrySet(oldJso)) {
if (PARENT_NODE_FIELD.equals(entry.getKey())) {
// Nothing to do : new cloned node does not have any parent
} else if (NODE_TYPE_FIELD.equals(entry.getKey())) {
// ignore it since it has to be handled at the very beginning of
// cloning
} else if (JsoProperties.NODE_OWNER_DOCUMENT.equals(entry.getKey())) {
JavaScriptObjects.setProperty(newJso, JsoProperties.NODE_OWNER_DOCUMENT,
JavaScriptObjects.getObject(oldJso, JsoProperties.NODE_OWNER_DOCUMENT));
} else if (GwtStyleUtils.STYLE_OBJECT_FIELD.equals(entry.getKey())) {
Style newStyle = GwtStyleUtils.getStyle(newJso.cast());
GwtStyleUtils.cloneStyle(newStyle, (Style) entry.getValue());
} else if (NODE_LIST_FIELD.equals(entry.getKey())) {
Node newNode = newJso.cast();
Node oldNode = oldJso.cast();
cloneChildNodes(newNode, oldNode, deep);
} else if (ELEM_PROPERTIES.equals(entry.getKey())) {
PropertyContainer newPc = getDomProperties(newJso.cast());
PropertyContainer oldPc = getDomProperties(oldJso.cast());
for (Map.Entry entry2 : oldPc.entrySet()) {
newPc.put(entry2.getKey(), entry2.getValue());
}
} else if (JavaScriptObject.class.isInstance(entry.getValue())) {
JavaScriptObject oldChildJso = (JavaScriptObject) entry.getValue();
JavaScriptObject newChildJso = cloneJso(oldChildJso, deep);
JavaScriptObjects.setProperty(newJso, entry.getKey(), newChildJso);
} else {
// copy the property, which should be a String or a primitive type
// (or
// corresponding wrapper object)
JavaScriptObjects.setProperty(newJso, entry.getKey(), entry.getValue());
}
}
return newJso;
}
@SuppressWarnings("unchecked")
public static List getChildNodeInnerList(Node node) {
NodeList nodeList = getChildNodes(node);
return (List) JavaScriptObjects.getObject(nodeList, NODE_LIST_INNER_LIST);
}
@SuppressWarnings("unchecked")
public static List getChildNodeInnerList(NodeList nodeList) {
assert isNodeList(nodeList) : "not a NodeList";
return (List) JavaScriptObjects.getObject(nodeList, NODE_LIST_INNER_LIST);
}
public static NodeList getChildNodes(Node node) {
assert Node.is(node) : "not a Node";
NodeList nodeList = JavaScriptObjects.getObject(node, NODE_LIST_FIELD);
if (nodeList == null) {
nodeList = newNodeList();
JavaScriptObjects.setProperty(node, NODE_LIST_FIELD, nodeList);
}
return nodeList;
}
public static PropertyContainer getDomProperties(Element element) {
assert Node.is(element) : "not a Node";
PropertyContainer pc = JavaScriptObjects.getObject(element, ELEM_PROPERTIES);
if (pc == null) {
// a propertyContainer with a LinkedHashMap to record the order of DOM
// properties
pc = PropertyContainer.newInstance(new LinkedHashMap());
JavaScriptObjects.setProperty(element, ELEM_PROPERTIES, pc);
}
return pc;
}
public static short getNodeType(JavaScriptObject jso) {
return JavaScriptObjects.hasProperty(jso, NODE_TYPE_FIELD) ? JavaScriptObjects.getShort(jso,
NODE_TYPE_FIELD) : -1;
}
public static String getTagName(Element element) {
assert Element.is(element) : "not an Element";
return JavaScriptObjects.getString(element, TAG_NAME);
}
public static boolean isNodeList(JavaScriptObject jso) {
return JavaScriptObjects.hasProperty(jso, NODE_LIST_INNER_LIST);
}
public static boolean isStandardDOMProperty(String propertyName) {
return "className".equals(propertyName) || !"class".equals(propertyName)
&& DOM_PROPERTIES.contains(propertyName);
}
public static boolean isXmlElement(JavaScriptObject jso) {
return JavaScriptObjects.hasProperty(jso, IS_XML_ELEMENT);
}
public static Document newDocument() {
Document document = newNode(Node.DOCUMENT_NODE).cast();
JavaScriptObjects.setProperty(document, JsoProperties.NODE_OWNER_DOCUMENT, document);
return document;
}
public static Element newElement(String tag, Document ownerDocument) {
Element elem = newNode(Node.ELEMENT_NODE).cast();
JavaScriptObjects.setProperty(elem, TAG_NAME, tag);
JavaScriptObjects.setProperty(elem, JsoProperties.NODE_OWNER_DOCUMENT, ownerDocument);
if (tag.equalsIgnoreCase("html")) {
JavaScriptObjects.setProperty(elem, NODE_NAME, "HTML");
}
return elem;
}
public static Node newNode(int nodeType) {
Node newNode = JavaScriptObject.createObject().cast();
JavaScriptObjects.setProperty(newNode, NODE_TYPE_FIELD, (short) nodeType);
return newNode;
}
public static NodeList newNodeList() {
return newNodeList(new ArrayList());
}
@SuppressWarnings("unchecked")
public static NodeList newNodeList(List innerList) {
NodeList nodeList = (NodeList) JavaScriptObject.createObject().cast();
JavaScriptObjects.setProperty(nodeList, NODE_LIST_INNER_LIST, innerList);
return nodeList;
}
public static Text newText(String data, Document ownerDocument) {
Text text = newNode(Node.TEXT_NODE).cast();
JavaScriptObjects.setProperty(text, JsoProperties.NODE_OWNER_DOCUMENT, ownerDocument);
text.setData(data);
return text;
}
public static Element newXmlElement(Document document, String tagName) {
Element xmlElement = document.createElement(tagName);
JavaScriptObjects.setProperty(xmlElement, IS_XML_ELEMENT, true);
return xmlElement;
}
public static void onSetHTML(JavaScriptObject jso, String newHTML, String oldHTML) {
Widget w = WidgetUtils.getWidget(jso.cast());
if (w != null) {
GwtReflectionUtils.callStaticMethod(GwtFinder.class, "onSetHTML", w, newHTML, oldHTML);
}
}
public static void onSetId(JavaScriptObject jso, String newId, String oldId) {
Widget w = WidgetUtils.getWidget(jso.cast());
if (w != null) {
GwtReflectionUtils.callStaticMethod(GwtFinder.class, "onSetId", w, newId, oldId);
}
}
public static void onSetText(JavaScriptObject jso, String newText, String oldText) {
Widget w = WidgetUtils.getWidget(jso.cast());
if (w != null) {
GwtReflectionUtils.callStaticMethod(GwtFinder.class, "onSetText", w, newText, oldText);
}
}
public static String serialize(JavaScriptObject jso) {
if (Node.is(jso)) {
return jso.toString();
}
StringBuilder sb = new StringBuilder();
// FIXME : provide support for JavaScriptObject arrays
sb.append("{ ");
for (Map.Entry entry : JavaScriptObjects.entrySet(jso)) {
sb.append("\"").append(entry.getKey()).append("\": ");
sb.append(entry.getValue()).append(", ");
}
sb.replace(sb.length() - 2, sb.length(), "");
sb.append(" }");
return sb.toString();
}
public static void setParentNode(Node child, Node parent) {
JavaScriptObjects.setProperty(child, PARENT_NODE_FIELD, parent);
}
private static void cloneChildNodes(Node newNode, Node oldNode, boolean deep) {
List childs = getChildNodeInnerList(oldNode);
if (deep) {
// copy all child nodes
for (Node child : childs) {
newNode.appendChild(child.cloneNode(deep));
}
} else {
// only copy the TextNode if exists
for (Node child : childs) {
if (Node.TEXT_NODE == child.getNodeType()) {
newNode.appendChild(Document.get().createTextNode(child.getNodeValue()));
break;
}
}
}
}
}
