venice-main-classic/scripts/usr/sidebox_up.js

// 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);