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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This Source Code Form is "Incompatible With Secondary Licenses", as
* defined by the Mozilla Public License, v. 2.0.
*/
function initChangeColumns() {
window.onunload = unload;
var av_select = document.getElementById("available_columns");
var sel_select = document.getElementById("selected_columns");
YAHOO.util.Dom.removeClass(
['avail_header', av_select, 'select_button',
'deselect_button', 'up_button', 'down_button'], 'bz_default_hidden');
switch_options(sel_select, av_select, false);
sel_select.selectedIndex = -1;
updateView();
}
function switch_options(from_box, to_box, selected) {
for (var i = 0; i<from_box.options.length; i++) {
var opt = from_box.options[i];
if (opt.selected == selected) {
var newopt = new Option(opt.text, opt.value, opt.defaultselected, opt.selected);
to_box.options[to_box.options.length] = newopt;
from_box.options[i] = null;
i = i - 1;
}
}
}
function move_select() {
var av_select = document.getElementById("available_columns");
var sel_select = document.getElementById("selected_columns");
switch_options(av_select, sel_select, true);
updateView();
}
function move_deselect() {
var av_select = document.getElementById("available_columns");
var sel_select = document.getElementById("selected_columns");
switch_options(sel_select, av_select, true);
updateView();
}
function move_up() {
var sel_select = document.getElementById("selected_columns");
var last = sel_select.options[0];
var dummy = new Option("", "", false, false);
for (var i = 1; i<sel_select.options.length; i++) {
var opt = sel_select.options[i];
if (opt.selected) {
sel_select.options[i] = dummy;
sel_select.options[i-1] = opt;
sel_select.options[i] = last;
}
else{
last = opt;
}
}
updateView();
}
function move_down() {
var sel_select = document.getElementById("selected_columns");
var last = sel_select.options[sel_select.options.length-1];
var dummy = new Option("", "", false, false);
for (var i = sel_select.options.length-2; i >= 0; i--) {
var opt = sel_select.options[i];
if (opt.selected) {
sel_select.options[i] = dummy;
sel_select.options[i + 1] = opt;
sel_select.options[i] = last;
}
else{
last = opt;
}
}
updateView();
}
function updateView() {
var select_button = document.getElementById("select_button");
var deselect_button = document.getElementById("deselect_button");
var up_button = document.getElementById("up_button");
var down_button = document.getElementById("down_button");
select_button.disabled = true;
deselect_button.disabled = true;
up_button.disabled = true;
down_button.disabled = true;
var av_select = document.getElementById("available_columns");
var sel_select = document.getElementById("selected_columns");
for (var i = 0; i < av_select.options.length; i++) {
if (av_select.options[i].selected) {
select_button.disabled = false;
break;
}
}
for (var i = 0; i < sel_select.options.length; i++) {
if (sel_select.options[i].selected) {
deselect_button.disabled = false;
up_button.disabled = false;
down_button.disabled = false;
break;
}
}
if (sel_select.options.length > 0) {
if (sel_select.options[0].selected) {
up_button.disabled = true;
}
if (sel_select.options[sel_select.options.length - 1].selected) {
down_button.disabled = true;
}
}
}
function change_submit() {
var sel_select = document.getElementById("selected_columns");
for (var i = 0; i < sel_select.options.length; i++) {
sel_select.options[i].selected = true;
}
return false;
}
function unload() {
var sel_select = document.getElementById("selected_columns");
for (var i = 0; i < sel_select.options.length; i++) {
sel_select.options[i].selected = true;
}
}