/*
 * (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
 *
 */
 if (Common === undefined) {
    var Common = {};
}
define(["common/main/lib/component/BaseView"], function () {
    Common.UI.DimensionPicker = Common.UI.BaseView.extend((function () {
        var me, rootEl, areaMouseCatcher, areaUnHighLighted, areaHighLighted, areaStatus, curColumns = 0,
        curRows = 0;
        var onMouseMove = function (event) {
            me.setTableSize(Math.ceil((event.offsetX === undefined ? event.originalEvent.layerX : event.offsetX) / me.itemSize), Math.ceil((event.offsetY === undefined ? event.originalEvent.layerY : event.offsetY) / me.itemSize), event);
        };
        var onMouseLeave = function (event) {
            me.setTableSize(0, 0, event);
        };
        var onHighLightedMouseClick = function (e) {
            me.trigger("select", me, curColumns, curRows, e);
        };
        return {
            options: {
                itemSize: 18,
                minRows: 5,
                minColumns: 5,
                maxRows: 20,
                maxColumns: 20
            },
            template: _.template(['<div style="width: 100%; height: 100%;">', '<div class="dimension-picker-status">0x0</div>', '<div class="dimension-picker-observecontainer">', '<div class="dimension-picker-mousecatcher"></div>', '<div class="dimension-picker-unhighlighted"></div>', '<div class="dimension-picker-highlighted"></div>', "</div>", "</div>"].join("")),
            initialize: function (options) {
                Common.UI.BaseView.prototype.initialize.call(this, options);
                me = this;
                rootEl = $(this.el);
                me.itemSize = me.options.itemSize;
                me.minRows = me.options.minRows;
                me.minColumns = me.options.minColumns;
                me.maxRows = me.options.maxRows;
                me.maxColumns = me.options.maxColumns;
                this.render();
                if (rootEl) {
                    areaMouseCatcher = rootEl.find(".dimension-picker-mousecatcher");
                    areaUnHighLighted = rootEl.find(".dimension-picker-unhighlighted");
                    areaHighLighted = rootEl.find(".dimension-picker-highlighted");
                    areaStatus = rootEl.find(".dimension-picker-status");
                    rootEl.css({
                        width: me.minColumns + "em"
                    });
                    areaMouseCatcher.css("z-index", 1);
                    areaMouseCatcher.width(me.maxColumns + "em").height(me.maxRows + "em");
                    areaUnHighLighted.width(me.minColumns + "em").height(me.minRows + "em");
                    areaStatus.html(curColumns + " x " + curRows);
                    areaStatus.width(areaUnHighLighted.width());
                }
                areaMouseCatcher.on("mousemove", onMouseMove);
                areaHighLighted.on("mousemove", onMouseMove);
                areaUnHighLighted.on("mousemove", onMouseMove);
                areaMouseCatcher.on("mouseleave", onMouseLeave);
                areaHighLighted.on("mouseleave", onMouseLeave);
                areaUnHighLighted.on("mouseleave", onMouseLeave);
                areaMouseCatcher.on("click", onHighLightedMouseClick);
                areaHighLighted.on("click", onHighLightedMouseClick);
                areaUnHighLighted.on("click", onHighLightedMouseClick);
            },
            render: function () {
                $(this.el).html(this.template());
                return this;
            },
            setTableSize: function (columns, rows, event) {
                if (columns > this.maxColumns) {
                    columns = this.maxColumns;
                }
                if (rows > this.maxRows) {
                    rows = this.maxRows;
                }
                if (curColumns != columns || curRows != rows) {
                    curColumns = columns;
                    curRows = rows;
                    areaHighLighted.width(curColumns + "em").height(curRows + "em");
                    areaUnHighLighted.width(((curColumns < me.minColumns) ? me.minColumns : ((curColumns + 1 > me.maxColumns) ? me.maxColumns : curColumns + 1)) + "em").height(((curRows < me.minRows) ? me.minRows : ((curRows + 1 > me.maxRows) ? me.maxRows : curRows + 1)) + "em");
                    rootEl.width(areaUnHighLighted.width());
                    areaStatus.html(curColumns + " x " + curRows);
                    areaStatus.width(areaUnHighLighted.width());
                    me.trigger("change", me, curColumns, curRows, event);
                }
            },
            getColumnsCount: function () {
                return curColumns;
            },
            getRowsCount: function () {
                return curRows;
            }
        };
    })());
});