/*
* AppMenuItem.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.command;
import com.google.gwt.core.client.Scheduler.ScheduledCommand;
import com.google.gwt.user.client.ui.MenuItem;
import org.rstudio.core.client.regex.Match;
import org.rstudio.core.client.regex.Pattern;
import org.rstudio.core.client.regex.Pattern.ReplaceOperation;
public class AppMenuItem extends MenuItem
{
public AppMenuItem(AppCommand cmd, boolean mainMenu)
{
super(cmd.getMenuHTML(mainMenu), true, cmd);
cmd_ = cmd;
mainMenu_ = mainMenu;
setTitle(cmd_.getDesc());
}
@Override
public ScheduledCommand getScheduledCommand()
{
return getScheduledCommand(false);
}
public ScheduledCommand getScheduledCommand(boolean evenIfDisabled)
{
return evenIfDisabled || cmd_.isEnabled() ? super.getScheduledCommand() : null;
}
public void onShow()
{
if (cmd_.isEnabled())
getElement().removeClassName("disabled");
else
getElement().addClassName("disabled");
setVisible(cmd_.isVisible());
setHTML(cmd_.getMenuHTML(mainMenu_));
setTitle(cmd_.getDesc());
}
public boolean cmdVisible()
{
return cmd_.isVisible();
}
public static String escapeMnemonics(String label)
{
return label.replace("_", "__");
}
public static String replaceMnemonics(String label, final String replacement)
{
return Pattern.create("_(_?)").replaceAll(label, new ReplaceOperation()
{
public String replace(Match m)
{
if (m.getGroup(1).length() > 0)
return "_";
else
return replacement;
}
});
}
private final AppCommand cmd_;
private final boolean mainMenu_;
}