/*==========================================================================*\
| $Id: PickCourseTaughtPage.java,v 1.2 2010/09/27 04:23:20 stedwar2 Exp $
|*-------------------------------------------------------------------------*|
| Copyright (C) 2006-2010 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 com.webobjects.appserver.*;
import com.webobjects.foundation.*;
import er.extensions.eof.ERXConstant;
import er.extensions.foundation.ERXValueUtilities;
import org.apache.log4j.Logger;
import org.webcat.core.*;
// -------------------------------------------------------------------------
/**
* This page presents a list of courses for an instructor or TA
* to choose from. It shows a list containing the union of all
* courses taught or TA'ed for.
*
* @author Stephen Edwards
* @author Latest changes by: $Author: stedwar2 $
* @version $Revision: 1.2 $, $Date: 2010/09/27 04:23:20 $
*/
public class PickCourseTaughtPage
extends GraderComponent
{
//~ Constructors ..........................................................
// ----------------------------------------------------------
/**
* Creates a new PickCourseTaughtPage object.
*
* @param context The context to use
*/
public PickCourseTaughtPage( WOContext context )
{
super( context );
}
//~ KVC Attributes (must be public) .......................................
public NSArray<CourseOffering> staffCourses;
public NSArray<CourseOffering> adminCourses;
public CourseOffering courseOffering;
public int index;
public int selectedStaffIndex;
public int selectedAdminIndex;
public NSArray<Semester> semesters;
public Semester semester;
public Semester aSemester;
//~ Methods ...............................................................
// ----------------------------------------------------------
public void awake()
{
super.awake();
selectedStaffIndex = -1;
selectedAdminIndex = -1;
}
// ----------------------------------------------------------
protected void beforeAppendToResponse(
WOResponse response, WOContext context)
{
User user = user();
if ( semesters == null )
{
semesters =
Semester.allObjectsOrderedByStartDate( localContext() );
Object semesterPref = user.preferences()
.valueForKey( PickCourseEnrolledPage.SEMESTER_PREF_KEY );
if (semesterPref == null && semesters.count() > 0)
{
// Default to most recent semester, if no preference is set
semester = semesters.objectAtIndex(0);
}
else
{
semester = Semester.forId( localContext(),
ERXValueUtilities.intValue( semesterPref ) );
}
}
// Save selected semester
user.preferences().takeValueForKey(
semester == null ? ERXConstant.ZeroInteger : semester.id(),
PickCourseEnrolledPage.SEMESTER_PREF_KEY );
user.savePreferences();
staffCourses = user.staffFor(semester);
adminCourses = user.adminForButNotStaff(semester);
if ( staffCourses.count() == 0 && adminCourses.count() == 0 )
{
// There are no enrolled courses
error(
"You are not listed as the instructor or TA for any courses"
+ (semester == null ? "" : " in the selected semester")
+ "." );
}
CourseOffering selectedCourse = coreSelections().courseOffering();
if ( selectedCourse != null )
{
selectedStaffIndex =
staffCourses.indexOfIdenticalObject( selectedCourse );
}
if ( selectedStaffIndex == NSArray.NotFound )
{
selectedAdminIndex =
adminCourses.indexOfIdenticalObject( selectedCourse );
if ( selectedAdminIndex != NSArray.NotFound )
{
selectedAdminIndex += staffCourses.count();
}
}
if ( selectedStaffIndex == NSArray.NotFound
&& selectedAdminIndex == NSArray.NotFound )
{
coreSelections().setCourseOfferingRelationship( null );
selectedCourse = null;
}
if ( selectedCourse == null )
{
if ( staffCourses.count() > 0 )
{
selectedStaffIndex = 0;
coreSelections().setCourseOfferingRelationship(
staffCourses.objectAtIndex( selectedStaffIndex ) );
}
else if ( adminCourses.count() > 0 )
{
selectedAdminIndex = 0;
coreSelections().setCourseOfferingRelationship(
adminCourses.objectAtIndex( selectedAdminIndex ) );
selectedAdminIndex += staffCourses.count();
}
}
super.beforeAppendToResponse( response, context );
}
// ----------------------------------------------------------
public WOComponent next()
{
if ( selectedStaffIndex >= 0 )
{
coreSelections().setCourseOfferingRelationship(
staffCourses.objectAtIndex( selectedStaffIndex ) );
return super.next();
}
else if ( selectedAdminIndex >= 0 )
{
selectedAdminIndex -= staffCourses.count();
coreSelections().setCourseOfferingRelationship(
adminCourses.objectAtIndex( selectedAdminIndex ) );
return super.next();
}
else
{
error( "You must choose a course to proceed." );
return null;
}
}
// ----------------------------------------------------------
public boolean nextEnabled()
{
return ( staffCourses.count() > 0
|| adminCourses.count() > 0 )
&& super.nextEnabled();
}
// ----------------------------------------------------------
public WOComponent defaultAction()
{
// When semester list changes, make sure not to take the
// default action, which is to click "next".
return null;
}
// ----------------------------------------------------------
public int index1()
{
return index;
}
// ----------------------------------------------------------
public int index2()
{
return index1() + staffCourses.count();
}
// ----------------------------------------------------------
public void cancelLocalChanges()
{
NSDictionary<?, ?> config =
wcSession().tabs.selectedDescendant().config();
if ( config != null
&& config.objectForKey( "resetPrimeUser" ) != null )
{
setLocalUser( wcSession().primeUser() );
}
super.cancelLocalChanges();
}
//~ Instance/static variables .............................................
static Logger log = Logger.getLogger( PickCourseTaughtPage.class );
}