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/*
YUI 3.17.2 (build 9c3c78e)
Copyright 2014 Yahoo! Inc. All rights reserved.
Licensed under the BSD License.
http://yuilibrary.com/license/
*/
YUI.add('sortable', function (Y, NAME) {
/**
* The class allows you to create a Drag & Drop reordered list.
* @module sortable
*/
/**
* The class allows you to create a Drag & Drop reordered list.
* @class Sortable
* @extends Base
* @constructor
*/
var Sortable = function() {
Sortable.superclass.constructor.apply(this, arguments);
},
CURRENT_NODE = 'currentNode',
OPACITY_NODE = 'opacityNode',
CONT = 'container',
ID = 'id',
ZINDEX = 'zIndex',
OPACITY = 'opacity',
PARENT_NODE = 'parentNode',
NODES = 'nodes',
NODE = 'node';
Y.extend(Sortable, Y.Base, {
/**
* @property delegate
* @type DD.Delegate
* @description A reference to the DD.Delegate instance.
*/
delegate: null,
/**
* @property drop
* @type DD.Drop
* @description A reference to the DD.Drop instance
*/
drop: null,
initializer: function() {
var id = 'sortable-' + Y.guid(),
delConfig = {
container: this.get(CONT),
nodes: this.get(NODES),
target: true,
invalid: this.get('invalid'),
dragConfig: {
groups: [ id ]
}
}, del;
if (this.get('handles')) {
delConfig.handles = this.get('handles');
}
del = new Y.DD.Delegate(delConfig);
this.set(ID, id);
del.dd.plug(Y.Plugin.DDProxy, {
moveOnEnd: false,
cloneNode: true
});
this.drop = new Y.DD.Drop({
node: this.get(CONT),
bubbleTarget: del,
groups: del.dd.get('groups')
});
this.drop.on('drop:enter', Y.bind(this._onDropEnter, this));
del.on({
'drag:start': Y.bind(this._onDragStart, this),
'drag:end': Y.bind(this._onDragEnd, this),
'drag:over': Y.bind(this._onDragOver, this),
'drag:drag': Y.bind(this._onDrag, this)
});
this.delegate = del;
Sortable.reg(this, id);
},
_up: null,
_y: null,
_onDrag: function(e) {
if (e.pageY < this._y) {
this._up = true;
} else if (e.pageY > this._y) {
this._up = false;
}
this._y = e.pageY;
},
/**
* @private
* @method _onDropEnter
* @param Event e The Event Object
* @description Handles the DropEnter event to append a new node to a target.
*/
_onDropEnter: function(e) {
var dropNode = e.drop.get(NODE),
dragNode = e.drag.get(NODE);
if (!dropNode.test(this.get(NODES)) &&
!dragNode.get(PARENT_NODE).compareTo(dropNode)) {
dropNode.append(dragNode);
}
},
/**
* @private
* @method _onDragOver
* @param Event e The Event Object
* @description Handles the DragOver event that moves the object in the list or to another list.
*/
_onDragOver: function(e) {
if (!e.drop.get(NODE).test(this.get(NODES))) {
return;
}
if (e.drag.get(NODE) === e.drop.get(NODE)) {
return;
}
// is drop a child of drag?
if (e.drag.get(NODE).contains(e.drop.get(NODE))) {
return;
}
var same = false, dir, oldNode, newNode, dropsort, dropNode,
moveType = this.get('moveType').toLowerCase();
if (e.drag.get(NODE).get(PARENT_NODE).contains(e.drop.get(NODE))) {
same = true;
}
if (same && moveType === 'move') {
moveType = 'insert';
}
switch (moveType) {
case 'insert':
dir = ((this._up) ? 'before' : 'after');
dropNode = e.drop.get(NODE);
if (Y.Sortable._test(dropNode, this.get(CONT))) {
dropNode.append(e.drag.get(NODE));
} else {
dropNode.insert(e.drag.get(NODE), dir);
}
break;
case 'swap':
Y.DD.DDM.swapNode(e.drag, e.drop);
break;
case 'move':
case 'copy':
dropsort = Y.Sortable.getSortable(e.drop.get(NODE).get(PARENT_NODE));
if (!dropsort) {
return;
}
Y.DD.DDM.getDrop(e.drag.get(NODE)).addToGroup(dropsort.get(ID));
//Same List
if (same) {
Y.DD.DDM.swapNode(e.drag, e.drop);
} else {
if (this.get('moveType') === 'copy') {
//New List
oldNode = e.drag.get(NODE);
newNode = oldNode.cloneNode(true);
newNode.set(ID, '');
e.drag.set(NODE, newNode);
dropsort.delegate.createDrop(newNode, [dropsort.get(ID)]);
oldNode.setStyles({
top: '',
left: ''
});
}
e.drop.get(NODE).insert(e.drag.get(NODE), 'before');
}
break;
}
this.fire(moveType, { same: same, drag: e.drag, drop: e.drop });
this.fire('moved', { same: same, drag: e.drag, drop: e.drop });
},
/**
* @private
* @method _onDragStart
* @param Event e The Event Object
* @description Handles the DragStart event and initializes some settings.
*/
_onDragStart: function() {
var del = this.delegate,
lastNode = del.get('lastNode');
if (lastNode && lastNode.getDOMNode()) {
lastNode.setStyle(ZINDEX, '');
}
del.get(this.get(OPACITY_NODE)).setStyle(OPACITY, this.get(OPACITY));
del.get(CURRENT_NODE).setStyle(ZINDEX, '999');
},
/**
* @private
* @method _onDragEnd
* @param Event e The Event Object
* @description Handles the DragEnd event that cleans up the settings in the drag:start event.
*/
_onDragEnd: function() {
this.delegate.get(this.get(OPACITY_NODE)).setStyle(OPACITY, 1);
this.delegate.get(CURRENT_NODE).setStyle(ZINDEX, '');
this.delegate.get(CURRENT_NODE).setStyles({
top: '',
left: ''
});
this.sync();
},
/**
* @method plug
* @param Class cls The class to plug
* @param Object config The class config
* @description Passthrough to the DD.Delegate.ddplug method
* @chainable
*/
plug: function(cls, config) {
//I don't like this.. Not at all, need to discuss with the team
if (cls && cls.NAME.substring(0, 4).toLowerCase() === 'sort') {
this.constructor.superclass.plug.call(this, cls, config);
} else {
this.delegate.dd.plug(cls, config);
}
return this;
},
/**
* @method sync
* @description Passthrough to the DD.Delegate syncTargets method.
* @chainable
*/
sync: function() {
this.delegate.syncTargets();
return this;
},
destructor: function() {
this.drop.destroy();
this.delegate.destroy();
Sortable.unreg(this, this.get(ID));
},
/**
* @method join
* @param Sortable sel The Sortable list to join with
* @param String type The type of join to do: full, inner, outer, none. Default: full
* @description Join this Sortable with another Sortable instance.
* <ul>
* <li>full: Exchange nodes with both lists.</li>
* <li>inner: Items can go into this list from the joined list.</li>
* <li>outer: Items can go out of the joined list into this list.</li>
* <li>none: Removes the join.</li>
* </ul>
* @chainable
*/
join: function(sel, type) {
if (!(sel instanceof Y.Sortable)) {
Y.error('Sortable: join needs a Sortable Instance');
return this;
}
if (!type) {
type = 'full';
}
type = type.toLowerCase();
var method = '_join_' + type;
if (this[method]) {
this[method](sel);
}
return this;
},
/**
* @private
* @method _join_none
* @param Sortable sel The Sortable to remove the join from
* @description Removes the join with the passed Sortable.
*/
_join_none: function(sel) {
this.delegate.dd.removeFromGroup(sel.get(ID));
sel.delegate.dd.removeFromGroup(this.get(ID));
},
/**
* @private
* @method _join_full
* @param Sortable sel The Sortable list to join with
* @description Joins both of the Sortables together.
*/
_join_full: function(sel) {
this.delegate.dd.addToGroup(sel.get(ID));
sel.delegate.dd.addToGroup(this.get(ID));
},
/**
* @private
* @method _join_outer
* @param Sortable sel The Sortable list to join with
* @description Allows this Sortable to accept items from the passed Sortable.
*/
_join_outer: function(sel) {
this.delegate.dd.addToGroup(sel.get(ID));
},
/**
* @private
* @method _join_inner
* @param Sortable sel The Sortable list to join with
* @description Allows this Sortable to give items to the passed Sortable.
*/
_join_inner: function(sel) {
sel.delegate.dd.addToGroup(this.get(ID));
},
/**
* A custom callback to allow a user to extract some sort of id or any other data
* from the node to use in the "ordering list" and then that data should be returned from the callback.
* @method getOrdering
* @param Function callback
* @return Array
*/
getOrdering: function(callback) {
var ordering = [];
if (!Y.Lang.isFunction(callback)) {
callback = function (node) {
return node;
};
}
Y.one(this.get(CONT)).all(this.get(NODES)).each(function(node) {
ordering.push(callback(node));
});
return ordering;
}
}, {
NAME: 'sortable',
ATTRS: {
/**
* @attribute handles
* @description Drag handles to pass on to the internal DD.Delegate instance.
* @type Array
*/
handles: {
value: false
},
/**
* @attribute container
* @description A selector query to get the container to listen for mousedown events on. All "nodes" should be a child of this container.
* @type String
*/
container: {
value: 'body'
},
/**
* @attribute nodes
* @description A selector query to get the children of the "container" to make draggable elements from.
* @type String
*/
nodes: {
value: '.dd-draggable'
},
/**
* @attribute opacity
* @description The opacity to change the proxy item to when dragging.
* @type String
*/
opacity: {
value: '.75'
},
/**
* @attribute opacityNode
* @description The node to set opacity on when dragging (dragNode or currentNode). Default: currentNode.
* @type String
*/
opacityNode: {
value: 'currentNode'
},
/**
* @attribute id
* @description The id of this Sortable, used to get a reference to this Sortable list from another list.
* @type String
*/
id: {
value: null
},
/**
* @attribute moveType
* @description How should an item move to another list: insert, swap, move, copy. Default: insert
* @type String
*/
moveType: {
value: 'insert'
},
/**
* @attribute invalid
* @description A selector string to test if a list item is invalid and not sortable
* @type String
*/
invalid: {
value: ''
}
},
/**
* @static
* @property _sortables
* @private
* @type Object
* @description Hash map of all Sortables on the page.
*/
_sortables: {},
/**
* @static
* @method _test
* @param {Node} node The node instance to test.
* @param {String|Node} test The node instance or selector string to test against.
* @description Test a Node or a selector for the container
*/
_test: function(node, test) {
var ret;
if (test instanceof Y.Node) {
ret = (test === node);
} else {
ret = node.test(test);
}
return ret;
},
/**
* @static
* @method getSortable
* @param {String|Node} node The node instance or selector string to use to find a Sortable instance.
* @description Get a Sortable instance back from a node reference or a selector string.
*/
getSortable: function(node) {
var s = null,
id = null;
node = Y.one(node);
id = node.get(ID);
if(id && Y.Sortable._sortables[id]) {
return Y.Sortable._sortables[id];
}
Y.Object.each(Y.Sortable._sortables, function(v) {
if (Y.Sortable._test(node, v.get(CONT))) {
s = v;
}
});
return s;
},
/**
* @static
* @method reg
* @param Sortable s A Sortable instance.
* @param String id (optional) The id of the sortable instance.
* @description Register a Sortable instance with the singleton to allow lookups later.
*/
reg: function(s, id) {
if (!id) {
id = s.get(ID);
}
Y.Sortable._sortables[id] = s;
},
/**
* @static
* @method unreg
* @param Sortable s A Sortable instance.
* @param String id (optional) The id of the sortable instance.
* @description Unregister a Sortable instance with the singleton.
*/
unreg: function(s, id) {
if (!id) {
id = s.get(ID);
}
if (id && Y.Sortable._sortables[id]) {
delete Y.Sortable._sortables[id];
return;
}
Y.Object.each(Y.Sortable._sortables, function(v, k) {
if (v === s) {
delete Sortable._sortables[k];
}
});
}
});
Y.Sortable = Sortable;
/**
* @event copy
* @description A Sortable node was moved with a copy.
* @param {EventFacade} event An Event Facade object
* @param {Boolean} event.same Moved to the same list.
* @param {DD.Drag} event.drag The drag instance.
* @param {DD.Drop} event.drop The drop instance.
*/
/**
* @event move
* @description A Sortable node was moved with a move.
* @param {EventFacade} event An Event Facade object with the following specific property added:
* @param {Boolean} event.same Moved to the same list.
* @param {DD.Drag} event.drag The drag instance.
* @param {DD.Drop} event.drop The drop instance.
*/
/**
* @event insert
* @description A Sortable node was moved with an insert.
* @param {EventFacade} event An Event Facade object with the following specific property added:
* @param {Boolean} event.same Moved to the same list.
* @param {DD.Drag} event.drag The drag instance.
* @param {DD.Drop} event.drop The drop instance.
*/
/**
* @event swap
* @description A Sortable node was moved with a swap.
* @param {EventFacade} event An Event Facade object with the following specific property added:
* @param {Boolean} event.same Moved to the same list.
* @param {DD.Drag} event.drag The drag instance.
* @param {DD.Drop} event.drop The drop instance.
*/
/**
* @event moved
* @description A Sortable node was moved.
* @param {EventFacade} event An Event Facade object with the following specific property added:
* @param {Boolean} event.same Moved to the same list.
* @param {DD.Drag} event.drag The drag instance.
* @param {DD.Drop} event.drop The drop instance.
*/
}, '3.17.2', {"requires": ["dd-delegate", "dd-drop-plugin", "dd-proxy"]});