OpenProject is the leading open source project management software.
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openproject/app/assets/javascripts/select_list_move.js

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//-- copyright
// OpenProject is a project management system.
// Copyright (C) 2012-2013 the OpenProject Foundation (OPF)
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License version 3.
//
// OpenProject is a fork of ChiliProject, which is a fork of Redmine. The copyright follows:
// Copyright (C) 2006-2013 Jean-Philippe Lang
// Copyright (C) 2010-2013 the ChiliProject Team
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License
// as published by the Free Software Foundation; either version 2
// of the License, or (at your option) any later version.
//
// This program 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 General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
//
// See doc/COPYRIGHT.rdoc for more details.
//++
var NS4 = (navigator.appName == "Netscape" && parseInt(navigator.appVersion) < 5);
function addOption(theSel, theText, theValue)
{
var newOpt = new Option(theText, theValue);
var selLength = theSel.length;
theSel.options[selLength] = newOpt;
}
function swapOptions(theSel, index1, index2)
{
var text, value;
text = theSel.options[index1].text;
value = theSel.options[index1].value;
theSel.options[index1].text = theSel.options[index2].text;
theSel.options[index1].value = theSel.options[index2].value;
theSel.options[index2].text = text;
theSel.options[index2].value = value;
}
function deleteOption(theSel, theIndex)
{
var selLength = theSel.length;
if(selLength>0)
{
theSel.options[theIndex] = null;
}
}
function moveOptions(theSelFrom, theSelTo)
{
var selLength = theSelFrom.length;
var selectedText = new Array();
var selectedValues = new Array();
var selectedCount = 0;
var i;
for(i=selLength-1; i>=0; i--)
{
if(theSelFrom.options[i].selected)
{
selectedText[selectedCount] = theSelFrom.options[i].text;
selectedValues[selectedCount] = theSelFrom.options[i].value;
deleteOption(theSelFrom, i);
selectedCount++;
}
}
for(i=selectedCount-1; i>=0; i--)
{
addOption(theSelTo, selectedText[i], selectedValues[i]);
}
if(NS4) history.go(0);
}
function moveOptionUp(theSel) {
var index = theSel.selectedIndex;
if (index > 0) {
swapOptions(theSel, index-1, index);
theSel.selectedIndex = index-1;
}
}
function moveOptionDown(theSel) {
var index = theSel.selectedIndex;
if (index < theSel.length - 1) {
swapOptions(theSel, index, index+1);
theSel.selectedIndex = index+1;
}
}
function selectAllOptions(id)
{
jQuery("#" + id + " option").attr('selected',true);
}