PC World 2008 September/PCWorld_2008-09_cd.bin/v cisle/sadanastroju/lightning-0.8-tb-win.xpi/chrome/calendar.jar/content/calendar/sun-calendar-event-dialog-timezone.js

Text File | 2008-02-24 | 5KB | 128 lines

/* ***** 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 Sun Microsystems code.
 *
 * The Initial Developer of the Original Code is Sun Microsystems.
 * Portions created by the Initial Developer are Copyright (C) 2006
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *   Michael Buettner <[e-mail]>
 *
 * 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 ***** */

function onLoad() {
    var args = window.arguments[0];
    window.time = args.time;
    window.onAcceptCallback = args.onOk;

    var tzname = timezoneString(window.time.timezone.tzid);
    var menulist = document.getElementById("timezone-menulist");
    var index = findTimezone(tzname);
    if (index < 0) {
        tzname = timezoneString(calendarDefaultTimezone().tzid);
        index = findTimezone(tzname);
        if (index < 0) {
            index = 0;
        }
    }

    var menulist = document.getElementById("timezone-menulist");
    menulist.selectedIndex = index;

    updateTimezone();

    opener.setCursor("auto");
}

function findTimezone(timezone) {
    var menulist = document.getElementById("timezone-menulist");
    var numChilds = menulist.childNodes[0].childNodes.length;
    for (var i=0; i<numChilds; i++) {
        var menuitem = menulist.childNodes[0].childNodes[i];
        if (timezoneString(menuitem.getAttribute("value")) == timezone) {
            return i;
        }
    }
    return -1;
}

function timezoneString(tzid) {
    var prefix = getTimezoneService().tzidPrefix;
    if (tzid.indexOf(prefix) == 0) {
        tzid = tzid.substring(prefix.length);
    }
    return tzid;
}

function updateTimezone() {
    var menulist = document.getElementById("timezone-menulist");
    var menuitem = menulist.selectedItem;
    var someTZ = menuitem.getAttribute("value");
    var tz = getTimezoneService().getTimezone(someTZ);

    // convert the date/time to the currently selected timezone
    // and display the result in the appropriate control.
    // before feeding the date/time value into the control we need
    // to set the timezone to 'floating' in order to avoid the
    // automatic conversion back into the OS timezone.
    var datetime = document.getElementById("timezone-time");
    var time = window.time.getInTimezone(tz);
    time.timezone = floating();
    datetime.value = time.jsDate;

    var subComp = tz.component;
    var standard = subComp.getFirstSubcomponent("STANDARD");
    var standardTZOffset = standard.getFirstProperty("TZOFFSETTO").valueAsIcalString;

    var stack = document.getElementById("timezone-stack");
    var numChilds = stack.childNodes.length;
    for (var i = 0; i < numChilds; i++) {
        var image = stack.childNodes[i];
        if (image.hasAttribute("tzid")) {
            var offset = image.getAttribute("tzid");
            if (offset == standardTZOffset) {
                image.removeAttribute("hidden");
            } else {
                image.setAttribute("hidden","true");
            }
        }
    }
}

function onAccept() {
    var menulist = document.getElementById("timezone-menulist");
    var menuitem = menulist.selectedItem;
    var timezone = menuitem.getAttribute("value");
    var tz = getTimezoneService().getTimezone(timezone);
    var datetime = window.time.getInTimezone(tz);
    window.onAcceptCallback(datetime);
    return true;
}

function onCancel() {
}