/*
Copyright (c) 2003-2009, CKSource - Frederico Knabben. All rights reserved.
For licensing, see LICENSE.html or http://ckeditor.com/license
*/

// This file is not required by CKEditor and may be safely ignored.
// It is just a helper file that displays a red message about browser compatibility
// at the top of the samples (if incompatible browser is detected).

// Firebug has been presented some bugs with console. It must be "initialized"
// before the page load to work.
// FIXME: Remove the following in the future, if Firebug gets fixed.
if (typeof console != 'undefined')
    console.log();


if (window.CKEDITOR) {
    (function() {
        var showCompatibilityMsg = function() {
            var env = CKEDITOR.env;

            var html = '<p><strong>Your browser is not compatible with CKEditor.</strong>';

            var browsers =
			{
			    gecko: 'Firefox 2.0',
			    ie: 'Internet Explorer 6.0',
			    opera: 'Opera 9.5',
			    webkit: 'Safari 3.0'
			};

            var alsoBrowsers = '';

            for (var key in env) {
                if (browsers[key]) {
                    if (env[key])
                        html += ' CKEditor is compatible with ' + browsers[key] + ' or higher.';
                    else
                        alsoBrowsers += browsers[key] + '+, ';
                }
            }

            alsoBrowsers = alsoBrowsers.replace(/\+,([^,]+), $/, '+ and $1');

            html += ' It is also compatible with ' + alsoBrowsers + '.';

            html += '</p><p>With non compatible browsers, you should still be able to see and edit the contents (HTML) in a plain text field.</p>';

            document.getElementById('alerts').innerHTML = html;
        };

        var onload = function() {
            // Show a friendly compatibility message as soon as the page is loaded,
            // for those browsers that are not compatible with CKEditor.
            if (!CKEDITOR.env.isCompatible)
                showCompatibilityMsg();
        };

        // Register the onload listener.
        if (window.addEventListener)
            window.addEventListener('load', onload, false);
        else if (window.attachEvent)
            window.attachEvent('onload', onload);
    })();
}