package com.googlecode.gwt.test.internal.patchers;
import java.util.Map;
import com.google.gwt.core.client.JavaScriptObject;
import com.google.gwt.dev.shell.JsValueGlue;
import com.google.gwt.dom.client.Document;
import com.google.gwt.dom.client.Element;
import com.google.gwt.dom.client.Node;
import com.google.gwt.dom.client.NodeList;
import com.google.gwt.dom.client.Style;
import com.google.gwt.dom.client.Text;
import com.googlecode.gwt.test.exceptions.GwtTestPatchException;
import com.googlecode.gwt.test.internal.utils.GwtStyleUtils;
import com.googlecode.gwt.test.internal.utils.JsoUtils;
import com.googlecode.gwt.test.internal.utils.PropertyContainer;
import com.googlecode.gwt.test.patchers.PatchClass;
import com.googlecode.gwt.test.patchers.PatchMethod;
import com.googlecode.gwt.test.utils.GwtReflectionUtils;
@PatchClass(JavaScriptObject.class)
class JavaScriptObjectPatcher {
@PatchMethod
static JavaScriptObject createArray() {
return createObject();
}
@PatchMethod
static JavaScriptObject createFunction() {
return createObject();
}
@PatchMethod
static JavaScriptObject createObject() {
try {
Class<?> clazz = Class.forName(JsValueGlue.JSO_IMPL_CLASS);
return (JavaScriptObject) GwtReflectionUtils.instantiateClass(clazz);
} catch (Exception e) {
// should never happen
throw new GwtTestPatchException("Error while instanciating JavaScriptObject :", e);
}
}
@PatchMethod
static String toString(JavaScriptObject jso) {
short nodeType = jso.<Node> cast().getNodeType();
switch (nodeType) {
case Node.DOCUMENT_NODE:
return documentToString(jso.<Document> cast());
case Node.TEXT_NODE:
Text text = jso.cast();
return "'" + text.getData() + "'";
case Node.ELEMENT_NODE:
return elementToString(jso.<Element> cast());
default:
if (JsoUtils.isNodeList(jso)) {
NodeList<?> nodeList = jso.cast();
return JsoUtils.getChildNodeInnerList(nodeList).toString();
} else if (GwtStyleUtils.isStyle(jso)) {
Style style = jso.cast();
return GwtStyleUtils.toString(style);
} else {
return jso.getClass().getSimpleName();
}
}
}
private static String documentToString(Document document) {
StringBuilder html = new StringBuilder();
NodeList<Node> childs = document.getChildNodes();
for (int i = 0; i < childs.getLength(); i++) {
Node child = childs.getItem(i);
html.append(child.toString());
}
return html.toString();
}
private static String elementToString(Element elem) {
String tagName = JsoUtils.isXmlElement(elem) ? elem.getTagName()
: elem.getTagName().toLowerCase();
// handle the particular case of <br> element
if ("br".equals(tagName)) {
return "<br>" + elem.getInnerText();
}
StringBuilder sb = new StringBuilder();
sb.append("<").append(tagName).append(" ");
PropertyContainer attrs = JsoUtils.getDomProperties(elem);
for (Map.Entry<String, Object> entry : attrs.entrySet()) {
// special treatment for "disabled" property, which should be a empty
// string attribute if the DOM element is disabled
if ("disabled".equals(entry.getKey())) {
Boolean disabled = (Boolean) entry.getValue();
if (disabled.booleanValue()) {
sb.append(entry.getKey()).append("=\"\" ");
}
} else if ("className".equals(entry.getKey())) {
// special treatment for "className", which is mapped with DOM
// standard
// property "class"
sb.append("class=\"").append(entry.getValue()).append("\" ");
} else if ("style".equals(entry.getKey())) {
String style = elem.getStyle().toString();
if (!"".equals(style)) {
sb.append("style=\"").append(elem.getStyle().toString()).append("\" ");
}
} else {
sb.append(entry.getKey()).append("=\"").append(entry.getValue()).append("\" ");
}
}
// remove the last space character
sb.replace(sb.length() - 1, sb.length(), "");
String innerHtml = elem.getInnerHTML();
if (JsoUtils.isXmlElement(elem) && innerHtml.trim().length() == 0) {
sb.append("/>");
} else {
sb.append(">").append(elem.getInnerHTML());
sb.append("</").append(tagName).append(">");
}
return sb.toString();
}
}