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/* -*- Mode: Java; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* 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 mozilla.org code.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Peter Annema <disttsc@bart.nl>
* Blake Ross <blakeross@telocity.com>
* Alec Flett <alecf@netscape.com>
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
// utility routines for sorting
// re-does a sort based on the current state
function RefreshSort()
{
var current_column = find_sort_column();
SortColumn(current_column);
}
// set the sort direction on the currently sorted column
function SortInNewDirection(direction)
{
var current_column = find_sort_column();
if (direction == "ascending")
direction = "natural";
else if (direction == "descending")
direction = "ascending";
else if (direction == "natural")
direction = "descending";
current_column.setAttribute("sortDirection", direction);
SortColumn(current_column);
}
function SortColumn(column)
{
var tree = column.parentNode.parentNode;
var col = tree.columns.getColumnFor(column);
tree.view.cycleHeader(col);
}
// search over the columns to find the first one with an active sort
function find_sort_column()
{
var columns = document.getElementsByTagName('treecol');
var i = 0;
var column;
while ((column = columns.item(i++)) != null) {
if (column.getAttribute('sortDirection'))
return column;
}
return columns.item(0);
}
// get the sort direction for the given column
function find_sort_direction(column)
{
var sortDirection = column.getAttribute('sortDirection');
return (sortDirection ? sortDirection : "natural");
}
// set up the menu items to reflect the specified sort column
// and direction - put check marks next to the active ones, and clear
// out the old ones
// - disable ascending/descending direction if the tree isn't sorted
// - disable columns that are not visible
function update_sort_menuitems(column, direction)
{
var unsorted_menuitem = document.getElementById("unsorted_menuitem");
var sort_ascending = document.getElementById('sort_ascending');
var sort_descending = document.getElementById('sort_descending');
// as this function may be called from various places, including the
// bookmarks sidebar panel (which doesn't have any menu items)
// ensure that the document contains the elements
if ((!unsorted_menuitem) || (!sort_ascending) || (!sort_descending))
return;
if (direction == "natural") {
unsorted_menuitem.setAttribute('checked','true');
sort_ascending.setAttribute('disabled','true');
sort_descending.setAttribute('disabled','true');
sort_ascending.removeAttribute('checked');
sort_descending.removeAttribute('checked');
} else {
sort_ascending.removeAttribute('disabled');
sort_descending.removeAttribute('disabled');
if (direction == "ascending") {
sort_ascending.setAttribute('checked','true');
} else {
sort_descending.setAttribute('checked','true');
}
var columns = document.getElementsByTagName('treecol');
var i = 0;
var column_node = columns[i];
var column_name = column.id;
var menuitem = document.getElementById('fill_after_this_node');
menuitem = menuitem.nextSibling
while (1) {
var name = menuitem.getAttribute('column_id');
if (!name) break;
if (column_name == name) {
menuitem.setAttribute('checked', 'true');
break;
}
menuitem = menuitem.nextSibling;
column_node = columns[++i];
if (column_node && column_node.tagName == "splitter") {
column_node = columns[++i];
}
}
}
enable_sort_menuitems();
}
function enable_sort_menuitems()
{
var columns = document.getElementsByTagName('treecol');
var menuitem = document.getElementById('fill_after_this_node');
menuitem = menuitem.nextSibling
for (var i = 0; (i < columns.length) && menuitem; ++i) {
var column_node = columns[i];
if (column_node.getAttribute("hidden") == "true")
menuitem.setAttribute("disabled", "true");
else
menuitem.removeAttribute("disabled");
menuitem = menuitem.nextSibling;
}
}
function fillViewMenu(popup)
{
var fill_after = document.getElementById('fill_after_this_node');
var fill_before = document.getElementById('fill_before_this_node');
var strBundle = document.getElementById('sortBundle');
var sortString;
if (strBundle)
sortString = strBundle.getString('SortMenuItems');
if (!sortString)
sortString = "Sorted by %COLNAME%";
var firstTime = (fill_after.nextSibling == fill_before);
if (firstTime) {
var columns = document.getElementsByTagName('treecol');
for (var i = 0; i < columns.length; ++i) {
var column = columns[i];
// Construct an entry for each cell in the row.
var column_name = column.getAttribute("label");
var item = document.createElement("menuitem");
item.setAttribute("type", "radio");
item.setAttribute("name", "sort_column");
if (column_name == "")
column_name = column.getAttribute("display");
var name = sortString.replace(/%COLNAME%/g, column_name);
item.setAttribute("label", name);
item.setAttribute("oncommand", "SortColumn('" + column.id + "');");
item.setAttribute("column_id", column.id);
popup.insertBefore(item, fill_before);
}
}
var sort_column = find_sort_column();
var sort_direction = find_sort_direction(sort_column);
update_sort_menuitems(sort_column, sort_direction);
}
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