venice-main-classic/scripts/usr/sidebox_up.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.helpers);
rinput = bsf.lookupBean("request");
boxid = rinput.getParameterInt("box",0);
if (boxid==0)
{ // the box ID parameter is invalid
vlib.output(new ErrorBox(null,"Box parameter invalid!","usr/sidebox.js.vs"));
vlib.done();
} // end if
rc = null;
try
{ // locate the specified sidebox in the list
sidebox_list = rinput.user.getSideBoxList();
prev = null;
current = null;
it = sidebox_list.iterator();
found = false;
while (!found && it.hasNext())
{ // look for the right descriptor
prev = current;
current = vlib.castUserSideBoxDescriptor(it.next());
if (boxid==current.sideBoxID) // found the current one
found = true;
} // end while
if (found && (prev!=null))
{ // exchange sequence numbers between current and prev
seq_curr = current.sequence;
seq_prev = prev.sequence;
current.sequence = seq_prev; // first "set"
restore = true;
try
{ // do the second "set"
prev.sequence = seq_curr;
restore = false;
} // end try
finally
{ // restore first if second failed
if (restore)
current.sequence = seq_curr;
} // end finally
} // end if
else
logger.debug("sidebox_up.js not doing anything");
// now execute the "sidebox.js" script to do the redisplay
rc = vlib.exec("usr/sidebox.js");
rinput.location = "usr/sidebox.js.vs";
} // end try
catch (e)
{ // exception modifying the sidebox list
etype = vlib.exceptionType(e) + "";
if (etype.match("DataException"))
rc = new ErrorBox("Database Error","Error adjusting sidebox list: " + e.message,"usr/sidebox.js.vs");
else
rc = e;
} // end catch
vlib.output(rc);