/*
 * (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(["text!documenteditor/main/app/template/HeaderFooterSettings.template", "jquery", "underscore", "backbone", "common/main/lib/component/Button", "common/main/lib/component/MetricSpinner", "common/main/lib/component/CheckBox"], function (menuTemplate, $, _, Backbone) {
    DE.Views.HeaderFooterSettings = Backbone.View.extend(_.extend({
        el: "#id-header-settings",
        template: _.template(menuTemplate),
        events: {},
        options: {
            alias: "HeaderFooterSettings"
        },
        initialize: function () {
            var me = this;
            this._initSettings = true;
            this._state = {
                PositionType: c_pageNumPosition.PAGE_NUM_POSITION_TOP,
                Position: 12.5,
                DiffFirst: false,
                DiffOdd: false,
                SameAs: false,
                DisabledControls: false
            };
            this.spinners = [];
            this.lockedControls = [];
            this._locked = false;
            this.render();
            var _arrPosition = [[c_pageNumPosition.PAGE_NUM_POSITION_TOP, c_pageNumPosition.PAGE_NUM_POSITION_LEFT, "icon-right-panel btn-colontitul-tl", "headerfooter-button-top-left", this.textTopLeft], [c_pageNumPosition.PAGE_NUM_POSITION_TOP, c_pageNumPosition.PAGE_NUM_POSITION_CENTER, "icon-right-panel btn-colontitul-tc", "headerfooter-button-top-center", this.textTopCenter], [c_pageNumPosition.PAGE_NUM_POSITION_TOP, c_pageNumPosition.PAGE_NUM_POSITION_RIGHT, "icon-right-panel btn-colontitul-tr", "headerfooter-button-top-right", this.textTopRight], [c_pageNumPosition.PAGE_NUM_POSITION_BOTTOM, c_pageNumPosition.PAGE_NUM_POSITION_LEFT, "icon-right-panel btn-colontitul-bl", "headerfooter-button-bottom-left", this.textBottomLeft], [c_pageNumPosition.PAGE_NUM_POSITION_BOTTOM, c_pageNumPosition.PAGE_NUM_POSITION_CENTER, "icon-right-panel btn-colontitul-bc", "headerfooter-button-bottom-center", this.textBottomCenter], [c_pageNumPosition.PAGE_NUM_POSITION_BOTTOM, c_pageNumPosition.PAGE_NUM_POSITION_RIGHT, "icon-right-panel btn-colontitul-br", "headerfooter-button-bottom-right", this.textBottomRight]];
            this._btnsPosition = [];
            _.each(_arrPosition, function (item, index, list) {
                var _btn = new Common.UI.Button({
                    cls: "btn-options huge",
                    iconCls: item[2],
                    posWhere: item[0],
                    posAlign: item[1],
                    hint: item[4]
                });
                _btn.render($("#" + item[3]));
                _btn.on("click", _.bind(this.onBtnPositionClick, this));
                this._btnsPosition.push(_btn);
                this.lockedControls.push(_btn);
            },
            this);
            this.numPosition = new Common.UI.MetricSpinner({
                el: $("#headerfooter-spin-position"),
                step: 0.1,
                width: 85,
                value: "1.25 cm",
                defaultUnit: "cm",
                maxValue: 55.88,
                minValue: 0
            });
            this.spinners.push(this.numPosition);
            this.lockedControls.push(this.numPosition);
            this.lblPosition = $(this.el).find("#headerfooter-label-position");
            this.chDiffFirst = new Common.UI.CheckBox({
                el: $("#headerfooter-check-diff-first"),
                labelText: this.textDiffFirst
            });
            this.lockedControls.push(this.chDiffFirst);
            this.chDiffOdd = new Common.UI.CheckBox({
                el: $("#headerfooter-check-diff-odd"),
                labelText: this.textDiffOdd
            });
            this.lockedControls.push(this.chDiffOdd);
            this.chSameAs = new Common.UI.CheckBox({
                el: $("#headerfooter-check-same-as"),
                labelText: this.textSameAs
            });
            this.lockedControls.push(this.chSameAs);
            this.numPosition.on("change", _.bind(this.onNumPositionChange, this));
            this.chDiffFirst.on("change", _.bind(this.onDiffFirstChange, this));
            this.chDiffOdd.on("change", _.bind(this.onDiffOddChange, this));
            this.chSameAs.on("change", _.bind(this.onSameAsChange, this));
        },
        render: function () {
            var el = $(this.el);
            el.html(this.template({
                scope: this
            }));
        },
        setApi: function (api) {
            this.api = api;
            return this;
        },
        ChangeSettings: function (prop) {
            if (this._initSettings) {
                this.createDelayedElements();
                this._initSettings = false;
            }
            this.disableControls(this._locked);
            if (prop) {
                var value = prop.get_Type();
                if (this._state.PositionType !== value) {
                    if (value == c_pageNumPosition.PAGE_NUM_POSITION_BOTTOM) {
                        this.lblPosition[0].innerHTML = this.textHeaderFromBottom;
                    } else {
                        this.lblPosition[0].innerHTML = this.textHeaderFromTop;
                    }
                    this._state.PositionType = value;
                }
                value = prop.get_Position();
                if (Math.abs(this._state.Position - value) > 0.001) {
                    this.numPosition.setValue(Common.Utils.Metric.fnRecalcFromMM(value), true);
                    this._state.Position = value;
                }
                value = prop.get_DifferentFirst();
                if (this._state.DiffFirst !== value) {
                    this.chDiffFirst.setValue(value, true);
                    this._state.DiffFirst = value;
                }
                value = prop.get_DifferentEvenOdd();
                if (this._state.DiffOdd !== value) {
                    this.chDiffOdd.setValue(value, true);
                    this._state.DiffOdd = value;
                }
                value = prop.get_LinkToPrevious();
                if (this._state.SameAs !== value) {
                    this.chSameAs.setDisabled(value === null);
                    this.chSameAs.setValue(value == true, true);
                    this._state.SameAs = value;
                }
            }
        },
        onBtnPositionClick: function (btn, eOpts) {
            if (this.api) {
                this.api.put_PageNum(btn.options.posWhere, btn.options.posAlign);
            }
            this.fireEvent("editcomplete", this);
        },
        onNumPositionChange: function (field, newValue, oldValue, eOpts) {
            if (this.api) {
                this.api.put_HeadersAndFootersDistance(Common.Utils.Metric.fnRecalcToMM(field.getNumberValue()));
            }
            this.fireEvent("editcomplete", this);
        },
        onDiffFirstChange: function (field, newValue, oldValue, eOpts) {
            if (this.api) {
                this.api.HeadersAndFooters_DifferentFirstPage(field.getValue() == "checked");
            }
            this.fireEvent("editcomplete", this);
        },
        onDiffOddChange: function (field, newValue, oldValue, eOpts) {
            if (this.api) {
                this.api.HeadersAndFooters_DifferentOddandEvenPage((field.getValue() == "checked"));
            }
            this.fireEvent("editcomplete", this);
        },
        onSameAsChange: function (field, newValue, oldValue, eOpts) {
            if (this.api) {
                this.api.HeadersAndFooters_LinkToPrevious((field.getValue() == "checked"));
            }
            this.fireEvent("editcomplete", this);
        },
        updateMetricUnit: function () {
            if (this.spinners) {
                for (var i = 0; i < this.spinners.length; i++) {
                    var spinner = this.spinners[i];
                    spinner.setDefaultUnit(Common.Utils.Metric.metricName[Common.Utils.Metric.getCurrentMetric()]);
                    spinner.setStep(Common.Utils.Metric.getCurrentMetric() == Common.Utils.Metric.c_MetricUnits.cm ? 0.01 : 1);
                }
            }
        },
        createDelayedElements: function () {
            this.updateMetricUnit();
        },
        setLocked: function (locked) {
            this._locked = locked;
        },
        disableControls: function (disable) {
            if (this._state.DisabledControls !== disable) {
                this._state.DisabledControls = disable;
                _.each(this.lockedControls, function (item) {
                    item.setDisabled(disable);
                });
            }
        },
        textHeaderFromTop: "Header from Top",
        textHeaderFromBottom: "Header from Bottom",
        textPosition: "Position",
        textOptions: "Options",
        textDiffFirst: "Different first page",
        textDiffOdd: "Different odd and even pages",
        textPageNum: "Insert Page Number",
        textTopLeft: "Top Left",
        textTopRight: "Top Right",
        textTopCenter: "Top Center",
        textBottomLeft: "Bottom Left",
        textBottomRight: "Bottom Right",
        textBottomCenter: "Bottom Center",
        textSameAs: "Link to Previous"
    },
    DE.Views.HeaderFooterSettings || {}));
});