// ==UserScript==
// @name            Disable Enter key on comments on Stack Exchange
// @namespace       http://stackapps.com/a/4910/10590
// @version         1.1
// @description     Disable Enter key on comments on Stack Exchange
// @homepage        http://stackapps.com/q/2061
// @icon            http://i.stack.imgur.com/6xzO1.png
// @match           *://*.askubuntu.com/questions*
// @match           *://*.mathoverflow.net/questions*
// @match           *://*.serverfault.com/questions*
// @match           *://*.stackapps.com/questions*
// @match           *://*.stackexchange.com/questions*
// @match           *://*.stackoverflow.com/questions*
// @match           *://*.superuser.com/questions*
// ==/UserScript==
    
function inject() {
    for ( var i = 0; i < arguments.length; ++i ) {
        if ( typeof(arguments[i]) == 'function' ) {
            var script = document.createElement('script');
            script.type = 'text/javascript';
            script.textContent = '(' + arguments[i].toString() + ')(jQuery)';
            document.body.appendChild(script);
        }
    }
}

inject(function ($) {
    setTimeout( function() {
        // Run only on individual posts
        if( ( StackExchange.options.routeName.indexOf('Questions/Show') === -1 ) ) 
            return;

        $(document).delegate(".comments-link, .comment-edit", "click", function(e) {        
            var events = $(this).closest("td").find("textarea[name=comment]").data("events");
            var makeShift = { handler: function(e) { 
                if( e.keyCode === 13 && e.shiftKey )
                    e.shiftKey = false; 
                else
                    e.shiftKey = true; 
            } };
            try {
                events.keyup.splice(0, 0, makeShift);
                events.keypress.splice(0, 0, makeShift);
            }
            catch (evt) {
                console.error('Disable Enter key on comments on Stack Exchange failed to load');
            }
        });
    }, 500 );
});