Add 'Close as 100% done' button to Redmine

redmine_add_100percent_done_button.user.js

// ==UserScript==
// @name           redmine_add_100percent_done_button
// @namespace      http://d.hatena.ne.jp/gnarl/
// @include        */issues/*
// ==/UserScript==

(function() {
	// options
	var SET_DUE_DATE_IF_EMPTY=true;

	// constants
	var STATUS_CLOSE='5';

	if(!/\/issues\/\d+$/.exec(document.location.pathname))
		return;
	var footer=document.getElementById('footer');
	if(!footer || !footer.childNodes[1] || footer.childNodes[1].href != 'http://www.redmine.org/')
		return;
	if(document.getElementById('issue_status_id').value==STATUS_CLOSE)
		return;

	var all_done=function() {
		if(!confirm('Close this ticket as 100% done. Continue?'))
			return;
		document.getElementById('issue_done_ratio').value=100; // 100%
		document.getElementById('issue_status_id').value=STATUS_CLOSE; // closed
		if(SET_DUE_DATE_IF_EMPTY) {
			var issue_due_date=document.getElementById('issue_due_date');
			if(issue_due_date.value=='') {
				var now=new Date();
				var today_in_str=[now.getFullYear(),now.getMonth()+1,now.getDate()].join('-');
				issue_due_date.value=today_in_str;
			}
		}
		var update_block=document.getElementById('update');
		var target_form=update_block.getElementsByTagName('form')[0];
		target_form.submit();
	}
	var a=document.createElement('a');
	a.className='icon icon-checked';
	a.appendChild(document.createTextNode('Close ticket as 100% done'));
	a.onclick=all_done;
	var menu=document.getElementsByClassName('contextual')[0];
	menu.insertBefore(a,menu.childNodes[0]);
})();