/*
 * (c) Copyright Ascensio System SIA 2010-2015
 *
 * This program is a free software product. You can redistribute it and/or 
 * modify it under the terms of the GNU Affero General Public License (AGPL) 
 * version 3 as published by the Free Software Foundation. In accordance with 
 * Section 7(a) of the GNU AGPL its Section 15 shall be amended to the effect 
 * that Ascensio System SIA expressly excludes the warranty of non-infringement
 * of any third-party rights.
 *
 * This program is distributed WITHOUT ANY WARRANTY; without even the implied 
 * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR  PURPOSE. For 
 * details, see the GNU AGPL at: http://www.gnu.org/licenses/agpl-3.0.html
 *
 * You can contact Ascensio System SIA at Lubanas st. 125a-25, Riga, Latvia,
 * EU, LV-1021.
 *
 * The  interactive user interfaces in modified source and object code versions
 * of the Program must display Appropriate Legal Notices, as required under 
 * Section 5 of the GNU AGPL version 3.
 *
 * Pursuant to Section 7(b) of the License you must retain the original Product
 * logo when distributing the program. Pursuant to Section 7(e) we decline to
 * grant you any rights under trademark law for use of our trademarks.
 *
 * All the Product's GUI elements, including illustrations and icon sets, as
 * well as technical writing content are licensed under the terms of the
 * Creative Commons Attribution-ShareAlike 4.0 International. See the License
 * terms at http://creativecommons.org/licenses/by-sa/4.0/legalcode
 *
 */
 define(["core", "presentationeditor/main/app/view/Statusbar"], function () {
    PE.Controllers.Statusbar = Backbone.Controller.extend(_.extend({
        models: [],
        collections: [],
        views: ["Statusbar"],
        initialize: function () {
            this.addListeners({
                "Statusbar": {}
            });
            this._state = {
                zoom_type: undefined,
                zoom_percent: undefined
            };
        },
        events: function () {
            return {
                "click #btn-zoom-down": _.bind(this.zoomDocument, this, "down"),
                "click #btn-zoom-up": _.bind(this.zoomDocument, this, "up")
            };
        },
        onLaunch: function () {
            this.statusbar = this.createView("Statusbar").render();
            this.statusbar.$el.css("z-index", 1);
            this.bindViewEvents(this.statusbar, this.events);
            $("#status-label-zoom").css("min-width", 70);
            this.statusbar.btnZoomToPage.on("click", _.bind(this.onBtnZoomTo, this, "topage"));
            this.statusbar.btnZoomToWidth.on("click", _.bind(this.onBtnZoomTo, this, "towidth"));
            this.statusbar.zoomMenu.on("item:click", _.bind(this.menuZoomClick, this));
        },
        setApi: function (api) {
            this.api = api;
            this.api.asc_registerCallback("asc_onZoomChange", _.bind(this._onZoomChange, this));
            this.statusbar.setApi(api);
        },
        onBtnZoomTo: function (d, b, e) {
            this._state.zoom_type = undefined;
            this._state.zoom_percent = undefined;
            if (!b.pressed) {
                this.api.zoomCustomMode();
            } else {
                this.api[d == "topage" ? "zoomFitToPage" : "zoomFitToWidth"]();
            }
        },
        zoomDocument: function (d, e) {
            this._state.zoom_type = undefined;
            this._state.zoom_percent = undefined;
            switch (d) {
            case "up":
                this.api.zoomIn();
                break;
            case "down":
                this.api.zoomOut();
                break;
            }
        },
        menuZoomClick: function (menu, item) {
            this._state.zoom_type = undefined;
            this._state.zoom_percent = undefined;
            this.api.zoom(item.value);
        },
        _onZoomChange: function (percent, type) {
            if (this._state.zoom_type !== type) {
                this.statusbar.btnZoomToPage.toggle(type == 2, true);
                this.statusbar.btnZoomToWidth.toggle(type == 1, true);
                this._state.zoom_type = type;
            }
            if (this._state.zoom_percent !== percent) {
                $("#status-label-zoom").text(Common.Utils.String.format(this.zoomText, percent));
                this._state.zoom_percent = percent;
            }
        },
        setStatusCaption: function (text) {
            if (text.length) {
                this.statusbar.showStatusMessage(text);
            } else {
                this.statusbar.clearStatusMessage();
            }
        },
        createDelayedElements: function () {
            this.statusbar.$el.css("z-index", "");
        },
        zoomText: "Zoom {0}%"
    },
    PE.Controllers.Statusbar || {}));
});