/*==========================================================================*\
| $Id: CourseActivityPage.java,v 1.1 2012/01/29 00:29:01 stedwar2 Exp $
|*-------------------------------------------------------------------------*|
| Copyright (C) 2012 Virginia Tech
|
| This file is part of Web-CAT.
|
| Web-CAT is free software; you can redistribute it and/or modify
| it under the terms of the GNU Affero General Public License as published
| by the Free Software Foundation; either version 3 of the License, or
| (at your option) any later version.
|
| Web-CAT 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 Affero General Public License
| along with Web-CAT; if not, see <http://www.gnu.org/licenses/>.
\*==========================================================================*/
package org.webcat.grader;
import org.webcat.core.UsagePeriod;
import org.webcat.core.User;
import com.webobjects.appserver.WOContext;
import com.webobjects.appserver.WOResponse;
import com.webobjects.foundation.NSArray;
import com.webobjects.foundation.NSTimeZone;
import com.webobjects.foundation.NSTimestamp;
import er.extensions.appserver.ERXDisplayGroup;
//-------------------------------------------------------------------------
/**
* Represents a standard Web-CAT page that has not yet been implemented
* (is "to be defined").
*
* @author Stephen Edwards
* @author Last changed by $Author: stedwar2 $
* @version $Revision: 1.1 $, $Date: 2012/01/29 00:29:01 $
*/
public class CourseActivityPage
extends GraderCourseComponent
{
//~ Constructor ...........................................................
// ----------------------------------------------------------
/**
* Creates a new object.
*
* @param context The context to use
*/
public CourseActivityPage(WOContext context)
{
super(context);
}
//~ KVC Attributes (must be public) .......................................
public ERXDisplayGroup<User> participants;
public User participant;
public int index;
public NSTimestamp limitTime;
//~ Methods ...............................................................
// ----------------------------------------------------------
protected void beforeAppendToResponse(
WOResponse response, WOContext context)
{
if (coreSelections().courseOffering() != null)
{
participants.setMasterObject(coreSelections().courseOffering());
}
index = 0;
cachedUser = null;
periods = null;
limitTime = new NSTimestamp()
.timestampByAddingGregorianUnits(0, 0, -60, 0, 0, 0);
super.beforeAppendToResponse(response, context);
}
// ----------------------------------------------------------
public int periodCount()
{
int count = 0;
if (participant != null)
{
if (participant != cachedUser)
{
periods = null;
cachedUser = participant;
}
if (periods == null)
{
periods = UsagePeriod.objectsMatchingQualifier(localContext(),
UsagePeriod.user.is(participant).and(
UsagePeriod.startTime.after(limitTime)),
UsagePeriod.startTime.descs());
}
count = periods.count();
}
return count;
}
// ----------------------------------------------------------
public UsagePeriod mostRecentPeriod()
{
if (periodCount() > 0)
{
return periods.get(0);
}
else
{
return null;
}
}
// ----------------------------------------------------------
public String duration()
{
UsagePeriod period = mostRecentPeriod();
return Submission.getStringTimeRepresentation(
period.endTime().getTime() - period.startTime().getTime());
}
// ----------------------------------------------------------
@SuppressWarnings("deprecation")
public com.webobjects.foundation.NSTimestampFormatter dateFormatter()
{
if (dateFormatter == null)
{
dateFormatter = new com.webobjects.foundation.NSTimestampFormatter(
user().dateFormat());
NSTimeZone zone = NSTimeZone.timeZoneWithName(
user().timeZoneName(), true);
dateFormatter.setDefaultFormatTimeZone(zone);
dateFormatter.setDefaultParseTimeZone(zone);
}
return dateFormatter;
}
//~ Instance/static variables .............................................
private User cachedUser;
private NSArray<UsagePeriod> periods;
@SuppressWarnings("deprecation")
private com.webobjects.foundation.NSTimestampFormatter dateFormatter;
}