// JavaScript Document
// This is for the drag and drop
	var Dom = YAHOO.util.Dom;
	var Event = YAHOO.util.Event;
	var DDM = YAHOO.util.DragDropMgr;
	var mm_list_count = 0;

	
//////////////////////////////////////////////////////////////////////////////
// custom drag and drop implementation
//////////////////////////////////////////////////////////////////////////////

YAHOO.example.DDList = function(id, sGroup, config) {

  YAHOO.example.DDList.superclass.constructor.call(this, id, sGroup, config);

  this.username = "";
	this.name = "";
	this.starttime = "";
	this.eventID = "";
	this.dayofweek = "";
	this.idname = "";
	this.inlist = "";
	this.saveinner = "";


    this.logger = this.logger || YAHOO;
    var el = this.getDragEl();
    Dom.setStyle(el, "opacity", 0.67); // The proxy is slightly transparent

    this.goingUp = false;
    this.lastY = 0;
};

YAHOO.extend(YAHOO.example.DDList, YAHOO.util.DDProxy, {

    startDrag: function(x, y) {
        this.logger.log(this.id + " startDrag");

        // make the proxy look like the source element
        var dragEl = this.getDragEl();
        var clickEl = this.getEl();
        Dom.setStyle(clickEl, "visibility", "hidden");

        dragEl.innerHTML = clickEl.innerHTML;

        //Dom.setStyle(dragEl, "color", Dom.getStyle(clickEl, "color"));
        //Dom.setStyle(dragEl, "backgroundColor", Dom.getStyle(clickEl, "backgroundColor"));
        Dom.setStyle(dragEl, "border", "0px solid gray");
    },

    endDrag: function(e) {

        var srcEl = this.getEl();
        var proxy = this.getDragEl();

        // Show the proxy element and animate it to the src element's location
        Dom.setStyle(proxy, "visibility", "");
        var a = new YAHOO.util.Motion( 
            proxy, { 
                points: { 
                    to: Dom.getXY(srcEl)
                }
            }, 
            0.2, 
            YAHOO.util.Easing.easeOut 
        )
        var proxyid = proxy.id;
        var thisid = this.id;

        // Hide the proxy and show the source element when finished with the animation
        a.onComplete.subscribe(function() {
                Dom.setStyle(proxyid, "visibility", "hidden");
                Dom.setStyle(thisid, "visibility", "");
            });
        a.animate();
    },

    onDragDrop: function(e, id) {

        // If there is one drop interaction, the li was dropped either on the list,
        // or it was dropped on the current location of the source element.
        if (DDM.interactionInfo.drop.length === 1) {

            // The position of the cursor at the time of the drop (YAHOO.util.Point)
            var pt = DDM.interactionInfo.point; 

            // The region occupied by the source element at the time of the drop
            var region = DDM.interactionInfo.sourceRegion; 

            // Check to see if we are over the source element's location.  We will
            // append to the bottom of the list once we are sure it was a drop in
            // the negative space (the area of the list without any list items)
            if (!region.intersect(pt)) {
                var destEl = Dom.get(id);
                var destDD = DDM.getDDById(id);
                destEl.appendChild(this.getEl());
                destDD.isEmpty = false;
                DDM.refreshCache();
            }

        }
    },

    onDrag: function(e) {

        // Keep track of the direction of the drag for use during onDragOver
        var y = Event.getPageY(e);

        if (y < this.lastY) {
            this.goingUp = true;
        } else if (y > this.lastY) {
            this.goingUp = false;
        }

        this.lastY = y;
    },

    onDragOver: function(e, id) {
    
        var srcEl = this.getEl();
        var destEl = Dom.get(id);

        // We are only concerned with list items, we ignore the dragover
        // notifications for the list.
        if (destEl.nodeName.toLowerCase() == "li") {
            var orig_p = srcEl.parentNode;
            var p = destEl.parentNode;
						var hold;
//alert('dest='+destEl.lastChild.id+' source='+srcEl.lastChild.id);

            if (this.goingUp) {
                p.insertBefore(srcEl, destEl); // insert above
								hold = srcEl.lastChild.id;
								srcEl.lastChild.id = destEl.lastChild.id;
								srcEl.lastChild.name = destEl.lastChild.name;
								destEl.lastChild.id = hold;
								destEl.lastChild.name = hold;
								hold = srcEl.firstChild.id;
								srcEl.firstChild.id = destEl.firstChild.id;
								srcEl.firstChild.name = destEl.firstChild.name;
								destEl.firstChild.id = hold;
								destEl.firstChild.name = hold;
            } else {
                p.insertBefore(srcEl, destEl.nextSibling); // insert below
								hold = srcEl.lastChild.id;
								srcEl.lastChild.id = destEl.lastChild.id;
								srcEl.lastChild.name = destEl.lastChild.name;
								destEl.lastChild.id = hold;
								destEl.lastChild.name = hold;
								
								hold = srcEl.firstChild.id;
								srcEl.firstChild.id = destEl.firstChild.id;
								srcEl.firstChild.name = destEl.firstChild.name;
								destEl.firstChild.id = hold;
								destEl.firstChild.name = hold;
            }

            DDM.refreshCache();
        }
    }
});