/**
 * 选择列表
 *
 * Created by GUY on 2015/11/1.
 * @class BI.SingleSelectList
 * @extends BI.Widget
 */
BI.SingleSelectList = BI.inherit(BI.Widget, {
    
    _defaultConfig: function () {
        return BI.extend(BI.SingleSelectList.superclass._defaultConfig.apply(this, arguments), {
            baseCls: "bi-select-list",
            direction: BI.Direction.Top, // toolbar的位置
            logic: {
                dynamic: true
            },
            items: [],
            itemsCreator: BI.emptyFn,
            hasNext: BI.emptyFn,
            onLoaded: BI.emptyFn,
            el: {
                type: "bi.list_pane"
            }
        });
    },
    _init: function () {
        BI.SingleSelectList.superclass._init.apply(this, arguments);
        var self = this, o = this.options;
    
        this.list = BI.createWidget(o.el, {
            type: "bi.list_pane",
            items: o.items,
            itemsCreator: function (op, callback) {
                o.itemsCreator(op, function (items) {
                    callback.apply(self, arguments);
                });
            },
            onLoaded: o.onLoaded,
            hasNext: o.hasNext,
            value: o.value
        });
    
        this.list.on(BI.Controller.EVENT_CHANGE, function (type, value, obj) {
            if (type === BI.Events.CLICK) {
                self.fireEvent(BI.SingleSelectList.EVENT_CHANGE, value, obj);
            }
            self.fireEvent(BI.Controller.EVENT_CHANGE, arguments);
        });

        BI.createWidget(BI.extend({
            element: this
        }, BI.LogicFactory.createLogic(BI.LogicFactory.createLogicTypeByDirection(o.direction), BI.extend({
            scrolly: true
        }, o.logic, {
            items: BI.LogicFactory.createLogicItemsByDirection(o.direction, this.list)
        }))));
    
    },
    
    hasPrev: function () {
        return this.list.hasPrev();
    },
    
    hasNext: function () {
        return this.list.hasNext();
    },
    
    prependItems: function (items) {
        this.list.prependItems.apply(this.list, arguments);
    },
    
    addItems: function (items) {
        this.list.addItems.apply(this.list, arguments);
    },
    
    setValue: function (v) {
        this.list.setValue([v]);
    },
    
    getValue: function () {
        return this.list.getValue()[0];
    },
    
    empty: function () {
        this.list.empty();
    },
    
    populate: function (items) {
        this.list.populate.apply(this.list, arguments);
    },
    
    resetHeight: function (h) {
        this.list.resetHeight ? this.list.resetHeight(h) :
            this.list.element.css({"max-height": h + "px"});
    },
    
    setNotSelectedValue: function () {
        this.list.setNotSelectedValue.apply(this.list, arguments);
    },
    
    getNotSelectedValue: function () {
        return this.list.getNotSelectedValue();
    },
    
    getAllButtons: function () {
        return this.list.getAllButtons();
    },
    
    getAllLeaves: function () {
        return this.list.getAllLeaves();
    },
    
    getSelectedButtons: function () {
        return this.list.getSelectedButtons();
    },
    
    getNotSelectedButtons: function () {
        return this.list.getNotSelectedButtons();
    },
    
    getIndexByValue: function (value) {
        return this.list.getIndexByValue(value);
    },
    
    getNodeById: function (id) {
        return this.list.getNodeById(id);
    },
    
    getNodeByValue: function (value) {
        return this.list.getNodeByValue(value);
    }
});
BI.SingleSelectList.EVENT_CHANGE = "EVENT_CHANGE";
BI.shortcut("bi.single_select_list", BI.SingleSelectList);