/**
 * Javascript for the view menu
 * @source: http://gitorious.org/mahara/mahara
 *
 * @licstart
 * Copyright (C) 2006-2010  Catalyst IT Ltd
 *
 * The JavaScript code in this page is free software: you can
 * redistribute it and/or modify it under the terms of the GNU
 * General Public License (GNU GPL) as published by the Free Software
 * Foundation, either version 3 of the License, or (at your option)
 * any later version.  The code is distributed WITHOUT ANY WARRANTY;
 * without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE.  See the GNU GPL for more details.
 *
 * As additional permission under GNU GPL version 3 section 7, you
 * may distribute non-source (e.g., minimized or compacted) forms of
 * that code without the copy of the GNU GPL normally required by
 * section 4, provided you include this license notice and a URL
 * through which recipients can access the Corresponding Source.
 * @licend
 */

function addFeedbackSuccess(form, data) {
    addElementClass('add_feedback_form', 'hidden');
    paginator.updateResults(data);
    // Clear rating from previous submission
    forEach(getElementsByTagAndClassName('input', 'star', 'add_feedback_form_rating_container'), function (r) {
        r.checked = false;
    });
    paginator.alertProxy('pagechanged', data['data']);
    var messageid = 'message';
    if (data.fieldnames && data.fieldnames.message) {
        messageid = data.fieldnames.message;
    }
    $('add_feedback_form_' + messageid).value = '';
    rewriteCancelButtons();
    formSuccess(form, data);
}

function objectionSuccess(form, data) {
    addElementClass('objection_form', 'hidden');
    $('objection_form_message').value = '';
    rewriteCancelButtons();
    formSuccess(form, data);
}

function rewriteCancelButtons() {
    if ($('add_feedback_form')) {
        var buttons = getElementsByTagAndClassName('input', 'cancel', 'add_feedback_form');
        // hashed field names on anon forms mean we don't know the exact id of this button
        var idprefix = 'cancel_add_feedback_form_';
        forEach(buttons, function(button) {
            if (getNodeAttribute(button, 'id').substring(0, idprefix.length) == idprefix) {
                disconnectAll(button);
                connect(button, 'onclick', function (e) {
                    e.stop();
                    addElementClass('add_feedback_form', 'hidden');
                    return false;
                });
            }
        });
    }
    if ($('cancel_objection_form_submit')) {
        disconnectAll('cancel_objection_form_submit');
        connect('cancel_objection_form_submit', 'onclick', function (e) {
            e.stop();
            addElementClass('objection_form', 'hidden');
            return false;
        });
    }
}

addLoadEvent(function () {
    if ($('add_feedback_form')) {
        if ($('add_feedback_link')) {

            var isIE6 = document.all && !window.opera &&
                (!document.documentElement || typeof(document.documentElement.style.maxHeight) == "undefined");

            connect('add_feedback_link', 'onclick', function(e) {
                e.stop();
                if ($('objection_form')) {
                    addElementClass('objection_form', 'hidden');
                }
                removeElementClass('add_feedback_form', 'js-hidden');
                removeElementClass('add_feedback_form', 'hidden');

                // IE6 fails to hide tinymce properly after feedback
                // submission, so force it to reload the page by disconnecting
                // the submit handler
                if (isIE6) {
                    disconnectAll('add_feedback_form', 'onsubmit');
                }

                return false;
            });
        }
    }

    if ($('objection_form')) {
        if ($('objection_link')) {
            connect('objection_link', 'onclick', function(e) {
                e.stop();
                if ($('add_feedback_form')) {
                    addElementClass('add_feedback_form', 'hidden');
                }
                removeElementClass('objection_form', 'js-safe-hidden');
                removeElementClass('objection_form', 'hidden');
                return false;
            });
        }
    }

    rewriteCancelButtons();

    if ($('toggle_watchlist_link')) {
        connect('toggle_watchlist_link', 'onclick', function (e) {
            e.stop();
            sendjsonrequest('togglewatchlist.json.php', {'view': viewid}, 'POST', function(data) {
                $('toggle_watchlist_link').innerHTML = data.newtext;
            });
        });
    }
});