/*
* RHQ Management Platform
* Copyright (C) 2010 Red Hat, Inc.
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
package org.rhq.coregui.client.util;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import com.google.gwt.user.client.ui.Widget;
import com.smartgwt.client.widgets.BaseWidget;
import com.smartgwt.client.widgets.Canvas;
import com.smartgwt.client.widgets.layout.HLayout;
import com.smartgwt.client.widgets.layout.Layout;
import com.smartgwt.client.widgets.layout.VLayout;
import com.smartgwt.client.widgets.tab.Tab;
import com.smartgwt.client.widgets.tab.TabSet;
/**
* @author Ian Springer
*/
public class WidgetUtility {
private WidgetUtility() {
}
public static void printWidgetTree(Widget widget) {
printWidgetTree(widget, 0);
}
private static void printWidgetTree(Widget widget, int level) {
try {
printWidget(widget, level);
} catch (Exception e) {
System.err.println("=====================================================================================");
System.err.println("Failed to print widget [" + widget + "]: " + e);
System.err.println("=====================================================================================");
}
// Recurse.
List<Widget> children;
try {
children = getChildren(widget);
} catch (Exception e) {
System.err.println("=====================================================================================");
System.err.println("Failed to get children of widget [" + widget + "]: " + e);
System.err.println("=====================================================================================");
return;
}
for (Widget child : children) {
printWidgetTree(child, level + 1);
}
}
private static void printWidget(Widget widget, int level) {
String simpleClassName;
try {
String className = widget.getClass().getName();
simpleClassName = className.substring(className.lastIndexOf(".") + 1);
} catch (Exception e) {
simpleClassName = "?";
}
String id;
try {
id = (widget.getElement() != null) ? widget.getElement().getId() : "?";
} catch (Exception e) {
id = "?";
}
String title;
try {
title = widget.getTitle();
} catch (Exception e) {
title = "?";
}
StringBuilder flags = new StringBuilder();
if (widget.isAttached()) {
if (flags.length() != 0) {
flags.append(", ");
}
flags.append("attached");
}
if (widget.isVisible()) {
if (flags.length() != 0) {
flags.append(", ");
}
flags.append("visible");
}
if (widget instanceof BaseWidget) {
BaseWidget baseWidget = (BaseWidget) widget;
if (baseWidget.isCreated()) {
if (flags.length() != 0) {
flags.append(", ");
}
flags.append("created");
}
if (baseWidget.isConfigOnly()) {
if (flags.length() != 0) {
flags.append(", ");
}
flags.append("configOnly");
}
}
if (widget instanceof Canvas) {
Canvas canvas = (Canvas) widget;
if (canvas.isDrawn()) {
if (flags.length() != 0) {
flags.append(", ");
}
flags.append("drawn");
}
if (canvas.isDirty()) {
if (flags.length() != 0) {
flags.append(", ");
}
flags.append("dirty");
}
if (canvas.isDisabled()) {
if (flags.length() != 0) {
flags.append(", ");
}
flags.append("disabled");
}
}
if (widget instanceof HLayout) {
if (flags.length() != 0) {
flags.append(", ");
}
flags.append("hlayout");
} else if (widget instanceof VLayout) {
if (flags.length() != 0) {
flags.append(", ");
}
flags.append("vlayout");
} else if (widget instanceof Layout) {
if (flags.length() != 0) {
flags.append(", ");
}
flags.append("layout");
}
StringBuilder indent = new StringBuilder();
for (int i = 0; i < level; i++) {
indent.append(" ");
}
Log.info(indent + simpleClassName + "[id=" + id + ", title=" + title + ", flags=[" + flags + "]]");
}
private static List<Widget> getChildren(Widget widget) {
List<Widget> children;
if (widget instanceof TabSet) {
TabSet tabSet = (TabSet) widget;
Tab[] tabs = tabSet.getTabs();
children = new ArrayList<Widget>();
for (Tab tab : tabs) {
children.add(tab.getPane());
}
} else if (widget instanceof Canvas) {
Canvas canvas = (Canvas) widget;
Canvas[] childrenArray = canvas.getChildren();
children = new ArrayList<Widget>();
children.addAll(Arrays.asList(childrenArray));
} else {
children = new ArrayList<Widget>();
}
return children;
}
}