/**
 * 文件管理导航
 *
 * Created by GUY on 2015/12/11.
 * @class BI.FileManagerNav
 * @extends BI.Widget
 */
BI.FileManagerNav = BI.inherit(BI.Widget, {

    _defaultConfig: function () {
        return BI.extend(BI.FileManagerNav.superclass._defaultConfig.apply(this, arguments), {
            baseCls: "bi-file-manager-nav bi-border-left",
            height: 40,
            items: []
        })
    },

    _init: function () {
        BI.FileManagerNav.superclass._init.apply(this, arguments);
        var self = this, o = this.options;
        this.tree = new BI.Tree();
        this.refreshTreeData(o.items);
        this.tree.getRoot().set("data", {
            text: BI.i18nText("BI-Created_By_Me"),
            value: BI.FileManagerNav.ROOT_CREATE_BY_ME,
            id: BI.FileManagerNav.ROOT_CREATE_BY_ME
        });
        this.button_group = BI.createWidget({
            type: "bi.button_group",
            element: this,
            items: [{
                type: "bi.file_manager_nav_button",
                text: BI.i18nText("BI-Created_By_Me"),
                selected: true,
                id: BI.FileManagerNav.ROOT_CREATE_BY_ME,
                value: BI.FileManagerNav.ROOT_CREATE_BY_ME
            }],
            layouts: [{
                type: "bi.horizontal"
            }]
        });
        this.button_group.on(BI.Controller.EVENT_CHANGE, function () {
            self.fireEvent(BI.Controller.EVENT_CHANGE, arguments);
        });
        this.button_group.on(BI.ButtonGroup.EVENT_CHANGE, function (value, obj) {
            self.fireEvent(BI.FileManagerNav.EVENT_CHANGE, arguments);
        });
    },

    _getAllParents: function (id) {
        var node, res = [];
        if (!id) {
            node = this.tree.getRoot();
        } else {
            node = this.tree.search(id);
        }
        while (node.parent) {
            res.push(node);
            node = node.parent;
        }
        res.push(node);
        return res.reverse();
    },

    _formatNodes: function (nodes) {
        var res = [];
        BI.each(nodes, function (i, node) {
            res.push(BI.extend({
                type: "bi.file_manager_nav_button",
                id: node.id
            }, node.get("data")));
        });
        BI.last(res).selected = true;
        return res;
    },

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

    getId: function () {
        var ids = [];
        BI.each(this.button_group.getSelectedButtons(), function (i, btn) {
            ids.push(btn.attr("id"));
        });
        return ids;
    },

    refreshTreeData: function(items){
        this.tree.initTree(BI.Tree.transformToTreeFormat(items));
        this.tree.getRoot().set("data", {
            text: BI.i18nText("BI-Created_By_Me"),
            value: BI.FileManagerNav.ROOT_CREATE_BY_ME,
            id: BI.FileManagerNav.ROOT_CREATE_BY_ME
        });
    },

    populate: function (node) {
        var parents = BI.isNull(node) ? [this.tree.getRoot()] : this._getAllParents(node.id);
        this.button_group.populate(this._formatNodes(parents));
    }
});
BI.extend(BI.FileManagerNav, {
    ROOT_CREATE_BY_ME: "-1"
});
BI.FileManagerNav.EVENT_CHANGE = "FileManagerNav.EVENT_CHANGE";
BI.shortcut("bi.file_manager_nav", BI.FileManagerNav);