venice-main-classic/scripts/conf/manage_list_swap.js

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// The contents of this file are subject to the Mozilla Public License Version 1.1
// (the "License"); you may not use this file except in compliance with the License.
// You may obtain a copy of the License at <http://www.mozilla.org/MPL/>.
//
// Software distributed under the License is distributed on an "AS IS" basis, WITHOUT
// WARRANTY OF ANY KIND, either express or implied. See the License for the specific
// language governing rights and limitations under the License.
//
// The Original Code is the Venice Web Communities System.
//
// The Initial Developer of the Original Code is Eric J. Bowersox <erbo@users.sf.net>,
// for Silverwrist Design Studios. Portions created by Eric J. Bowersox are
// Copyright (C) 2001 Eric J. Bowersox/Silverwrist Design Studios. All Rights Reserved.
//
// Contributor(s):
importPackage(Packages.com.silverwrist.venice.core);
importPackage(Packages.com.silverwrist.venice.except);
importPackage(Packages.com.silverwrist.venice.ui);
importPackage(Packages.com.silverwrist.venice.ui.conf);
importPackage(Packages.com.silverwrist.venice.ui.helpers);
// get the request object and the community
rinput = bsf.lookupBean("request");
comm = rinput.getCommunity(true,"top.js.vs");
if (!(comm.canManageConferences()))
{ // can't manage conferences, bail out
vlib.output(new ErrorBox("Access Error","You are not permitted to manage conferences in this community.",
"conf/conferences.js.vs?cc=" + comm.communityID));
vlib.done();
} // end if
// get the current conference
currc = new CurrentConference(rinput);
conf = currc.getConference(true,"conf/manage.js.vs?cc=" + comm.communityID);
// we need another conference here - get that conference parameter
other_conf = currc.getConferenceParam("other",true,"conf/manage.js.vs?cc=" + comm.communityID);
if (!(conf.canChangeConference()) || !(other_conf.canChangeConference()))
{ // you can't fiddle with this conference
vlib.output(new ErrorBox("Access Error","You do not have permission to modify this conference.",
"conf/manage.js.vs?cc=" + comm.communityID));
vlib.done();
} // end if
rc = null;
try
{ // get the two sequences for starters
this_seq = conf.sequence;
other_seq = other_conf.sequence;
// now exchange them
conf.sequence = other_seq;
restore = true;
try
{ // set the second conference sequence
other_conf.sequence = this_seq;
restore = false;
} // end try
finally
{ // undo first set on error
if (restore)
conf.sequence = this_seq;
} // end finally
// trap back to the manage display
rc = new Redirect("conf/manage.js.vs?cc=" + comm.communityID,LinkTypes.SERVLET);
} // end try
catch (e)
{ // error in exchanging the conference positions
etype = vlib.exceptionType(e) + "";
if (etype.match("DataException"))
rc = new ErrorBox("Database Error","Database error changing sequence: " + e.message,
"conf/manage.js.vs?cc=" + comm.communityID);
else if (etype.match("AccessError"))
rc = new ErrorBox("Access Error",e.message,"conf/manage.js.vs?cc=" + comm.communityID);
else
rc = e;
} // end catch
vlib.output(rc); // all done...