org.opencms.gwt.client.util.CmsDebugLog Maven / Gradle / Ivy
Show all versions of opencms-gwt Show documentation
/*
* This library is part of OpenCms -
* the Open Source Content Management System
*
* Copyright (c) Alkacon Software GmbH (http://www.alkacon.com)
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* For further information about Alkacon Software, please see the
* company website: http://www.alkacon.com
*
* For further information about OpenCms, please see the
* project website: http://www.opencms.org
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package org.opencms.gwt.client.util;
import org.opencms.gwt.client.ui.css.I_CmsLayoutBundle;
import com.google.gwt.dom.client.Element;
import com.google.gwt.dom.client.Style;
import com.google.gwt.dom.client.Style.BorderStyle;
import com.google.gwt.dom.client.Style.Overflow;
import com.google.gwt.dom.client.Style.Position;
import com.google.gwt.dom.client.Style.Unit;
import com.google.gwt.user.client.DOM;
import com.google.gwt.user.client.ui.Composite;
import com.google.gwt.user.client.ui.HTML;
import com.google.gwt.user.client.ui.RootPanel;
/**
* A basic debug log, to print messages into the client window.
*
* @since 8.0.0
*/
public final class CmsDebugLog extends Composite {
/** Global debugging flag. */
private static final boolean DEBUG = false;
/** Debug log displayed within the client window. */
private static CmsDebugLog m_debug;
/** The wrapped widget. */
protected HTML m_html;
/**
* Constructor.
*/
private CmsDebugLog() {
if (!DEBUG) {
return;
}
m_html = new HTML();
initWidget(m_html);
Style style = getElement().getStyle();
style.setWidth(200, Unit.PX);
style.setHeight(500, Unit.PX);
style.setPadding(10, Unit.PX);
style.setOverflow(Overflow.AUTO);
style.setBorderStyle(BorderStyle.SOLID);
style.setBorderColor(I_CmsLayoutBundle.INSTANCE.constants().css().borderColor());
style.setBorderWidth(1, Unit.PX);
style.setPosition(Position.FIXED);
style.setTop(50, Unit.PX);
style.setRight(50, Unit.PX);
style.setBackgroundColor(I_CmsLayoutBundle.INSTANCE.constants().css().backgroundColorDialog());
style.setZIndex(10);
}
/**
* Logs a message to the browser console if possible.
*
* @param message the message to log
*/
public static native void consoleLog(String message) /*-{
if ($wnd.console) {
$wnd.console.log(message);
}
}-*/;
/**
* Returns the debug log.
*
* @return the debug log
*/
public static CmsDebugLog getInstance() {
if (m_debug == null) {
m_debug = new CmsDebugLog();
if (DEBUG) {
RootPanel.get().add(m_debug);
}
}
return m_debug;
}
/**
* Clears the debug log.
*/
public void clear() {
if (!DEBUG) {
return;
}
m_html.setHTML("");
}
/**
* Prints a new line into the log window by adding a p-tag including given text as HTML.
*
* @param text the text to print
*/
public void printLine(String text) {
if (!DEBUG) {
return;
}
Element child = DOM.createElement("p");
child.setInnerHTML(text);
m_html.getElement().insertFirst(child);
}
}