betajs/betajs-ui

Scoped.define("module:Dynamics.InteractionPartial", [
    "dynamics:Handlers.Partial",
    "module:Interactions",
    "base:Strings",
    "base:Objs",
    "base:Types"
], function(Partial, Interactions, Strings, Objs, Types, scoped) {
    var Cls = Partial.extend({
        scoped: scoped
    }, function(inherited) {
        return {

            _apply: function(value) {
                var node = this._node;
                var handler = node._handler;
                node.interactions = node.interactions || {};
                if (this._postfix in node.interactions && !node.interactions[this._postfix].destroyed()) {
                    node.interactions[this._postfix].data = value.data;
                    return;
                }
                value = Objs.extend(value, value.options);
                var InteractionClass = Interactions[Strings.capitalize(value.type)];
                if (!InteractionClass) {
                    console.log("Could not find interaction: " + Strings.capitalize(value.type));
                    return;
                }
                if (value.disabled)
                    return;
                var elem = this._node.element();
                elem = value.sub ? elem.querySelector(value.sub) : (value.parent_elem ? elem.parentElement : elem);
                var itemsElem = value.items ? this._node.element().querySelector(value.items) : undefined;
                var interaction = new InteractionClass(elem, Objs.extend({
                    enabled: true,
                    context: handler,
                    itemsElement: itemsElem
                }, value), value.data);
                node.interactions[this._postfix] = interaction;
                Objs.iter(value.events, function(callee, event) {
                    interaction.on(event, function(arg1, arg2, arg3, arg4) {
                        if (Types.is_string(callee))
                            handler.call(callee, this._value.data, arg1, arg2, arg3, arg4);
                        else
                            callee.call(handler, this._value.data, arg1, arg2, arg3, arg4);
                    }, this);
                }, this);
            },

            _deactivate: function() {
                this.__release();
            },

            __release: function() {
                var node = this._node;
                node.interactions = node.interactions || {};
                if (this._postfix in node.interactions)
                    node.interactions[this._postfix].weakDestroy();
            },

            destroy: function() {
                this.__release();
                inherited.destroy.call(this);
            }

        };
    });
    Cls.register("ba-interaction");
    return Cls;
});