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/**
*
*/
package com.vaadin.terminal.gwt.client;
import java.util.Iterator;
import java.util.Set;
import com.google.gwt.core.client.JsArrayString;
import com.google.gwt.event.logical.shared.OpenEvent;
import com.google.gwt.event.logical.shared.OpenHandler;
import com.google.gwt.user.client.DOM;
import com.google.gwt.user.client.ui.Tree;
import com.google.gwt.user.client.ui.TreeItem;
public class VUIDLBrowser extends Tree {
/**
*
*/
private final UIDL uidl;
public VUIDLBrowser(final UIDL uidl) {
this.uidl = uidl;
DOM.setStyleAttribute(getElement(), "position", "");
final UIDLItem root = new UIDLItem(this.uidl);
addItem(root);
addOpenHandler(new OpenHandler<TreeItem>() {
public void onOpen(OpenEvent<TreeItem> event) {
TreeItem item = event.getTarget();
if (item.getChildCount() == 1
&& item.getChild(0).getText().equals("LOADING")) {
((UIDLItem) item).dir();
}
}
});
}
@Override
protected boolean isKeyboardNavigationEnabled(TreeItem currentItem) {
return false;
}
class UIDLItem extends TreeItem {
private UIDL uidl;
UIDLItem(UIDL uidl) {
this.uidl = uidl;
try {
setText(uidl.getTag());
addItem("LOADING");
} catch (Exception e) {
setText(uidl.toString());
}
}
public void dir() {
TreeItem temp = getChild(0);
removeItem(temp);
String nodeName = uidl.getTag();
Set<String> attributeNames = uidl.getAttributeNames();
for (String name : attributeNames) {
if (uidl.isMapAttribute(name)) {
try {
ValueMap map = uidl.getMapAttribute(name);
JsArrayString keyArray = map.getKeyArray();
nodeName += " " + name + "=" + "{";
for (int i = 0; i < keyArray.length(); i++) {
nodeName += keyArray.get(i) + ":"
+ map.getAsString(keyArray.get(i)) + ",";
}
nodeName += "}";
} catch (Exception e) {
}
} else {
final String value = uidl.getAttribute(name);
nodeName += " " + name + "=" + value;
}
}
setText(nodeName);
try {
TreeItem tmp = null;
Set<String> variableNames = uidl.getVariableNames();
for (String name : variableNames) {
String value = "";
try {
value = uidl.getVariable(name);
} catch (final Exception e) {
try {
String[] stringArrayAttribute = uidl
.getStringArrayAttribute(name);
value = stringArrayAttribute.toString();
} catch (final Exception e2) {
try {
final int intVal = uidl.getIntVariable(name);
value = String.valueOf(intVal);
} catch (final Exception e3) {
value = "unknown";
}
}
}
if (tmp == null) {
tmp = new TreeItem("variables");
}
tmp.addItem(name + "=" + value);
}
if (tmp != null) {
addItem(tmp);
}
} catch (final Exception e) {
// Ignored, no variables
}
final Iterator<Object> i = uidl.getChildIterator();
while (i.hasNext()) {
final Object child = i.next();
try {
final UIDL c = (UIDL) child;
final TreeItem childItem = new UIDLItem(c);
addItem(childItem);
} catch (final Exception e) {
addItem(child.toString());
}
}
}
}
}
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