fineui/src/base/context.js

/**
 * 表示当前对象
 *
 * Created by GUY on 2015/9/7.
 * @class BI.EL
 * @extends BI.Widget
 */
BI.Context = BI.inherit(BI.Widget, {
    props: {
        context: "",
        watch: {},
        el: {},
        items: [],
    },

    render: function () {
        var self = this, o = this.options;
        if (o.context) {
            this.context = BI.useContext(o.context);
        }
        this.widget = BI.createWidget((o.items[0] || o.el)(this.context), {
            element: this,
        });
        this.widget.on(BI.Controller.EVENT_CHANGE, function () {
            self.fireEvent(BI.Controller.EVENT_CHANGE, arguments);
        });
    },

    __initWatch: function () {
        BI.Context.superclass.__initWatch.call(this);
        var o = this.options;
        BI.watch(this.context, o.context, o.watch);
    },

    setValue: function (v) {
        this.widget.setValue(v);
    },

    getValue: function () {
        return this.widget.getValue();
    },

    populate: function () {
        this.widget.populate.apply(this, arguments);
    },
});
BI.shortcut("bi.context", BI.Context);