Flyout Menus

by khrome

HTML

<script src="https://cdnjs.cloudflare.com/ajax/libs/mootools/1.4.5/mootools-core-full-compat.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/mootools-more/1.4.0.1/mootools-more-yui-compressed.js"></script>
[<a onclick="window.menu.open();" href="#">open</a>][<a onclick="window.menu.close();" href="#">close</a>]<input type="text" onchange="window.alter(this.value);"></input><input type="checkbox" onchange="window.menu.options.direction = this.checked?'right':'left';"></input>
<div id="menu_root"></div>
<select multiple name="selector" class="treeselect" id="treeselect">
    <option value="1" heredity="">An Item</option>
    <option value="2" heredity="1" disabled>A Test</option>
    <option value="3" heredity="1>2">Another Test</option>
    <option value="4" heredity="1>2">A Test3</option>
    <option value="5" heredity="1">A Test4</option>
    <option value="6" heredity="1">A Test5</option>
    <option value="7" heredity="1>5">A Test2</option>
    <option value="8" heredity="">fsfdsfg</option>
    <option value="9" heredity="">werttg</option>
</select>

CSS

.multiselecttree {
  position : absolute;
  display : block;
  line-height: 18px; }
  .multiselecttree .selected_node {
    color: black; }
  .multiselecttree .multiselecttree_label {
    padding-left: 1px;
    cursor: pointer; }
  .multiselecttree .multiselecttree_label:before {
    margin-right: 3px;
    display: inline-block;
    height: 13px;
    width: 13px;
    background-color: #CCCCCC;
    content: '\A0';
    background-color: #ececec;
    background-image: -webkit-gradient(linear, left top, left bottom, from(#ececec), to(#a8a8a8));
    background-image: -webkit-linear-gradient(top, #ececec, #a8a8a8);
    background-image: -moz-linear-gradient(top, #ececec, #a8a8a8);
    background-image: -o-linear-gradient(top, #ececec, #a8a8a8);
    background-image: -ms-linear-gradient(top, #ececec, #a8a8a8);
    background-image: linear-gradient(top, #ececec, #a8a8a8);
    box-shadow: inset 0px 0px 3px #686868;
    -moz-box-shadow: inset 0px 0px 3px #686868;
    -webkit-box-shadow: inset 0px 0px 3px #686868;
    -webkit-border-radius: 2px;
    -moz-border-radius: 2px;
    border-radius: 2px;
    border: 1px solid #626262; }
  .multiselecttree .selected_node:before {
    background-color: #00B0EA;
    background-image: -webkit-linear-gradient(top, #00B0EA, #00B0EA);
    }
  .multiselecttree .children_selected:before {
    color : black;
    background-color: #00B0EA;
    background-image: -webkit-linear-gradient(top, #00B0EA, #00B0EA);
    }
  .multiselecttree .partially_selected_node:before {
    font-size:38px;
    line-height:6px;
    color : black;
    background-color: #00B0EA;
    background-image: -webkit-linear-gradient(45deg, transparent, transparent 8px, rgba(255,255,255, 1) 8px, rgba(255,255,255, 0) 30px); }
  .multiselecttree ul {
    margin-left: 20px; }
.multiselecttree_label {
  color: black;
  margin-left: 3px; }

JavaScript

var boxSetWrap = function(set){
    set.afters = {};
    set.befores = {};
    var ensureID = function(element){
        var id;
        if(!(id = element.getAttribute('id'))) element.setAttribute('id', (id = String.uniqueID()));
        return id;
    }
    set.before = function(element){
        var id = ensureID(element);
        if(!set.befores[id]){
            var index = set.indexOf(element);
            var before = set.slice(0, index);
            set.befores[id] = boxSetWrap(before);
        }
        return set.befores[id];
    };
    set.purgeCache = function(){
        set.befores = {};
        set.afters = {};
    };
    set.after = function(element){
        var id = ensureID(element);
        if(!set.afters[id]){
            var index = this.indexOf(element);
            set.afters[id] = boxSetWrap(this.slice(index+1));
        }
        return set.afters[id];
    }.bind(set);
    set.width = function(element){
        var result = 0;
        this.each(function(box){
            result += (Number.from(box.getStyle('width')) || box.getSize().x);
        });
        return result;
    }.bind(set);
    return set;
}
var stack = function(elements, options){
    options.from = options.from.toLowerCase();
    if(!(options.from == 'left' || options.from == 'right')) throw('unsupported direction:'+options.from);
    if(options.from == 'right' && !options.invert){
        options.stack = (options.stack=='down'?'up':'down');
    }
    if(options.from == 'right'){
        options.stack = (options.start=='in'?'out':'in');
    }
    var lastEffect = false;
    var sizes = [];
    var anchor = {};
    var parent = elements[0].getParent();
    parent.setStyle('overflow', 'hidden');
    var opts = options;
    var pos = 0;
    var lastPosition;
    var lastElement;
    var order;
    if(options.stack != 'down'){
        elements.reverse();
    }
    elements.each(function(element, index){
        var direction = (options.start == 'in'?-1:1);
        var el =...