redmine-overdue.user.js

// ==UserScript==
// @name         Imos Redmine Wiedervorlage überfällig
// @match        *://*.redmine.imos.net/*
// @icon         https://kunden.redmine.imos.net/favicon.ico
// @version      2.1.1
// @downloadURL  https://raw.githubusercontent.com/imosnet/userscripts/master/redmine-overdue.user.js
// @grant        none
// ==/UserScript==

jQuery(function($) {
    var $form = $('form.edit_issue'),
        dueDateSelector = 'input#issue_due_date',
        $dueDate = $form.find(dueDateSelector),
        $submit = $form.find('input[name=commit]'),
        today;

    $form.on('change.overdue', dueDateSelector, function(){
        var val = this.value,
            color = val < today ? 'red' : val == today ? 'darkorange' : '';
        $(this).add(this.labels).css({color: color});
    })

    $submit.on('click', function(){
        if ($dueDate.val() < today) {
            return confirm("Willst du wirklich das Wiedervorlagedatum in der Vergangenheit lassen?");
        }
    });

    function update(){
        today = (new Date).toJSON().slice(0,10);
        $dueDate = $form.find(dueDateSelector);
        $dueDate.trigger('change.overdue');
    }

    // Wenn Formular aktualisiert wird
    new MutationObserver(update).observe($('#all_attributes')[0], {childList: true});

    (function updateDate() {
        var now = new Date,
            tomorrow = new Date(now.getFullYear(), now.getMonth(), now.getDate() + 1, 0, 0, 0);
        setTimeout(updateDate, tomorrow.getTime() - now.getTime());
        update();
    })();
});