web-apps/apps/documenteditor/main/app/controller/Viewport.js

/*
 *
 * (c) Copyright Ascensio System Limited 2010-2017
 *
 * 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
 *
*/
/**
 *  Viewport.js
 *
 *  This is out main controller which will do most of job
 *  It will listen for view and collection events and manage all data-related operations
 *
 *  Created by Alexander Yuzhin on 1/15/14
 *  Copyright (c) 2014 Ascensio System SIA. All rights reserved.
 *
 */

define([
    'core',
    'common/main/lib/view/Header',
    'documenteditor/main/app/view/Viewport',
    'documenteditor/main/app/view/LeftMenu'
], function (Viewport) {
    'use strict';

    DE.Controllers.Viewport = Backbone.Controller.extend({
        // Specifying a Viewport model
        models: [],

        // Specifying a collection of out Viewport
        collections: [],

        // Specifying application views
        views: [
            'Viewport',   // is main application layout
            'Common.Views.Header'
        ],

        // When controller is created let's setup view event listeners
        initialize: function() {
            // This most important part when we will tell our controller what events should be handled

            var me = this;
            this.addListeners({
                'FileMenu': {
                    'menu:hide': me.onFileMenu.bind(me, 'hide'),
                    'menu:show': me.onFileMenu.bind(me, 'show')
                },
                'Toolbar': {
                    'render:before' : function (toolbar) {
                        var config = DE.getController('Main').appOptions;
                        toolbar.setExtra('right', me.header.getPanel('right', config));
                        toolbar.setExtra('left', me.header.getPanel('left', config));
                    },
                    'view:compact'  : function (toolbar, state) {
                        me.viewport.vlayout.getItem('toolbar').height = state ?
                                Common.Utils.InternalSettings.get('toolbar-height-compact') : Common.Utils.InternalSettings.get('toolbar-height-normal');
                    },
                    'undo:disabled' : function (state) {
                        if ( me.header.btnUndo ) {
                            if ( me.header.btnUndo.keepState )
                                me.header.btnUndo.keepState.disabled = state;
                            else me.header.btnUndo.setDisabled(state);
                        }
                    },
                    'redo:disabled' : function (state) {
                        if ( me.header.btnRedo )
                            if ( me.header.btnRedo.keepState )
                                me.header.btnRedo.keepState.disabled = state;
                            else me.header.btnRedo.setDisabled(state);
                    },
                    'save:disabled' : function (state) {
                        if ( me.header.btnSave )
                            me.header.btnSave.setDisabled(state);
                    }
                }
            });
        },

        setApi: function(api) {
            this.api = api;
        },


        // When our application is ready, lets get started
        onLaunch: function() {
            // Create and render main view
            this.viewport = this.createView('Viewport').render();
            this.header   = this.createView('Common.Views.Header', {
                headerCaption: 'Document Editor',
                storeUsers: DE.getCollection('Common.Collections.Users')
            });

            Common.NotificationCenter.on('layout:changed', _.bind(this.onLayoutChanged, this));
            $(window).on('resize', _.bind(this.onWindowResize, this));

            var leftPanel = $('#left-menu'),
                histPanel = $('#left-panel-history');
            this.viewport.hlayout.on('layout:resizedrag', function() {
                this.api.Resize();
                Common.localStorage.setItem('de-mainmenu-width', histPanel.is(':visible') ? (histPanel.width()+SCALE_MIN) : leftPanel.width() );
            }, this);

            this.boxSdk = $('#editor_sdk');
            this.boxSdk.css('border-left', 'none');

            Common.NotificationCenter.on('app:face', this.onAppShowed.bind(this));
        },

        onAppShowed: function (config) {
            var me = this;
            me.appConfig = config;

            var _intvars = Common.Utils.InternalSettings;
            var $filemenu = $('.toolbar-fullview-panel');
            $filemenu.css('top', _intvars.get('toolbar-height-tabs'));

            if ( !config.isEdit ||
                ( !Common.localStorage.itemExists("de-compact-toolbar") &&
                config.customization && config.customization.compactToolbar )) {

                var panel = me.viewport.vlayout.getItem('toolbar');
                if ( panel ) panel.height = _intvars.get('toolbar-height-tabs');
            }

            if ( config.isDesktopApp && config.isEdit ) {
                var $title = me.viewport.vlayout.getItem('title').el;
                $title.html(me.header.getPanel('title', config)).show();

                var toolbar = me.viewport.vlayout.getItem('toolbar');
                toolbar.el.addClass('top-title');
                toolbar.height -= _intvars.get('toolbar-height-tabs') - _intvars.get('toolbar-height-tabs-top-title');

                var _tabs_new_height = _intvars.get('toolbar-height-tabs-top-title');
                _intvars.set('toolbar-height-tabs', _tabs_new_height);
                _intvars.set('toolbar-height-compact', _tabs_new_height);
                _intvars.set('toolbar-height-normal', _tabs_new_height + _intvars.get('toolbar-height-controls'));

                $filemenu.css('top', _tabs_new_height + _intvars.get('document-title-height'));
            }
        },

        onLayoutChanged: function(area) {
            switch (area) {
            default:
                this.viewport.vlayout.doLayout();
            case 'rightmenu':
                this.viewport.hlayout.doLayout();
                break;
            case 'history':
                var panel = this.viewport.hlayout.items[1];
                if (panel.resize.el) {
                    this.boxSdk.css('border-left', '');
                    panel.resize.el.show();
                }
                this.viewport.hlayout.doLayout();
                break;
            case 'leftmenu':
                var panel = this.viewport.hlayout.items[0];
                if (panel.resize.el) {
                    if (panel.el.width() > 40) {
                        this.boxSdk.css('border-left', '');
                        panel.resize.el.show();
                    } else {
                        panel.resize.el.hide();
                        this.boxSdk.css('border-left', '0 none');
                    }
                }
                this.viewport.hlayout.doLayout();
                break;
            case 'header':
            case 'toolbar':
            case 'status':
                this.viewport.vlayout.doLayout();
                break;
            }
            this.api.Resize();
        },

        onWindowResize: function(e) {
            this.onLayoutChanged('window');
            Common.NotificationCenter.trigger('window:resize');
        },

        onFileMenu: function (opts) {
            var me = this;
            var _need_disable =  opts == 'show';

            me.header.lockHeaderBtns( 'undo', _need_disable );
            me.header.lockHeaderBtns( 'redo', _need_disable );
        }
    });
});