Script providing the functionality discussed at https://jira.atlassian.com/browse/JRA-13079. This script may be added to the page by pasting it into your announcement banner. Provides a link from a JIRA issue page to modify all of the issue's subtasks in bulk. Tested only on JIRA v5.2.1. Thanks to Valentijn Scholten for finding out how to add th…

jira.bulk-edit-subtasks.html

<script type="text/javascript">
/*
 * add an 'edit all' option to issue pages
 */
(function(){
    if (location.pathname == '/issues/' && location.hash == '#editall') {
        location.href = '/secure/views/bulkedit/BulkEdit1!default.jspa?reset=true'
    }
    else {
        var matches = location.pathname.match(/browse\/([A-Z]+-[0-9]+)/);

        if (matches) {
            AJS.$(document).ready(function() {
                var item, link,
                    id = matches[1],
                    list = document.getElementById('subtask-view-options');
            
                if (list) {
                    link = document.createElement('a');
                        link.href = '/issues/?jql=parent%3D' + id + '#editall',
                        link.className = 'aui-list-checked aui-list-item-link',
                        link.title = 'Show and edit subtasks in navigator',
                        link.innerHTML = 'Edit All';
    
                    item = document.createElement('li');
                    item.className = 'aui-list-item';
                        
                    list.appendChild(item);
                    item.appendChild(link);
                }
            });
        }
    }
})();
</script>