/*
* HelpButton.java
*
* Copyright (C) 2009-12 by RStudio, Inc.
*
* Unless you have received this program directly from RStudio pursuant
* to the terms of a commercial license agreement with RStudio, then
* this program is licensed to you under the terms of version 3 of the
* GNU Affero General Public License. This program is distributed WITHOUT
* ANY EXPRESS OR IMPLIED WARRANTY, INCLUDING THOSE OF NON-INFRINGEMENT,
* MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Please refer to the
* AGPL (http://www.gnu.org/licenses/agpl-3.0.txt) for more details.
*
*/
package org.rstudio.core.client.widget;
import org.rstudio.core.client.theme.res.ThemeResources;
import org.rstudio.studio.client.RStudioGinjector;
import org.rstudio.studio.client.common.GlobalDisplay;
import com.google.gwt.dom.client.Style;
import com.google.gwt.dom.client.Style.Cursor;
import com.google.gwt.dom.client.Style.Unit;
import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.event.dom.client.ClickHandler;
import com.google.gwt.user.client.ui.Composite;
import com.google.gwt.user.client.ui.Image;
public class HelpButton extends Composite
{
public static void addHelpButton(SelectWidget selectWidget,
String rstudioLinkName)
{
selectWidget.addWidget(createHelpButton(rstudioLinkName));
}
public static HelpButton createHelpButton(String rstudioLinkName)
{
HelpButton helpButton = new HelpButton(rstudioLinkName);
Style style = helpButton.getElement().getStyle();
style.setMarginTop(3, Unit.PX);
style.setMarginLeft(4, Unit.PX);
return helpButton;
}
public HelpButton(String rstudioLinkName)
{
this(rstudioLinkName, true);
}
public HelpButton(final String rstudioLinkName,
final boolean includeVersionInfo)
{
Image helpImage = new Image(ThemeResources.INSTANCE.help());
helpImage.getElement().getStyle().setCursor(Cursor.POINTER);
helpImage.addClickHandler(new ClickHandler() {
@Override
public void onClick(ClickEvent event)
{
GlobalDisplay globalDisplay =
RStudioGinjector.INSTANCE.getGlobalDisplay();
globalDisplay.openRStudioLink(rstudioLinkName, includeVersionInfo);
}
});
initWidget(helpImage);
}
}