delegate.js revision 6cd85fc002ad88c48179730400dc0bc36a7a9f5b
var D = function(o) {
D.superclass.constructor.apply(this, arguments);
},
_tmpNode = Y.Node.create('<div>Temp Node</div>'),
dd_cache = {};
D.NAME = 'delegate';
D.ATTRS = {
cont: {
value: 'body'
},
nodes: {
value: '.dd-draggable'
},
lastNode: {
value: _tmpNode
},
currentNode: {
value: _tmpNode
},
over: {
value: false
},
target: {
value: false
}
};
Y.extend(D, Y.Base, {
_dd: null,
_shimState: null,
initializer: function() {
//Create a tmp DD instance under the hood.
this._dd = new Y.DD.Drag({
node: _tmpNode,
bubbles: this
});
this.addTarget(Y.DD.DDM);
//On end drag, detach the listeners
this._dd.on('drag:end', Y.bind(function(e) {
Y.DD.DDM._noShim = this._shimState;
this.set('lastNode', this._dd.get('node'));
this._dd._unprep();
this._dd.set('node', _tmpNode);
}, this));
//Attach the delegate to the container
Y.delegate('mousedown', Y.bind(function(e) {
this._shimState = Y.DD.DDM._noShim;
Y.DD.DDM._noShim = true;
this.set('currentNode', e.currentTarget);
this._dd.set('node', e.currentTarget);
if (this._dd.proxy) {
this._dd.set('dragNode', Y.DD.DDM._proxy);
} else {
this._dd.set('dragNode', e.currentTarget);
}
this._dd._prep();
this._dd.fire.call(this._dd, 'drag:mouseDown', { ev: e });
}, this), this.get('cont'), this.get('nodes'));
Y.on('mouseenter', Y.bind(function() {
this._shimState = Y.DD.DDM._noShim;
Y.DD.DDM._noShim = true;
}, this), this.get('cont'));
Y.on('mouseleave', Y.bind(function() {
Y.DD.DDM._noShim = this._shimState;
}, this), this.get('cont'));
this.syncTargets();
},
syncTargets: function() {
if (!Y.Plugin.Drop) {
Y.error('DD.Delegate: Drop Plugin Not Found');
return;
}
if (this.get('target')) {
var items = Y.one(this.get('cont')).all(this.get('nodes'));
items.each(function(i) {
if (!i.drop) {
i.plug(Y.Plugin.Drop, { useShim: true });
}
});
}
},
plugdd: function(cls, conf) {
this._dd.plug(cls, conf)
},
destructor: function() {
if (this._dd) {
this._dd.destroy();
}
}
});
Y.namespace('DD');
Y.DD.Delegate = D;