/*
 * (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!presentationeditor/main/app/template/ImageSettings.template", "jquery", "underscore", "backbone", "common/main/lib/component/Button", "common/main/lib/view/ImageFromUrlDialog", "presentationeditor/main/app/view/ImageSettingsAdvanced"], function (menuTemplate, $, _, Backbone) {
    PE.Views.ImageSettings = Backbone.View.extend(_.extend({
        el: "#id-image-settings",
        template: _.template(menuTemplate),
        events: {},
        options: {
            alias: "ImageSettings"
        },
        initialize: function () {
            var me = this;
            this._initSettings = true;
            this._state = {
                Width: 0,
                Height: 0,
                DisabledControls: false
            };
            this.lockedControls = [];
            this._locked = false;
            this._noApply = false;
            this._originalProps = null;
            this.render();
            this.labelWidth = $(this.el).find("#image-label-width");
            this.labelHeight = $(this.el).find("#image-label-height");
            this.btnOriginalSize = new Common.UI.Button({
                el: $("#image-button-original-size")
            });
            this.lockedControls.push(this.btnOriginalSize);
            this.btnInsertFromFile = new Common.UI.Button({
                el: $("#image-button-from-file")
            });
            this.lockedControls.push(this.btnInsertFromFile);
            this.btnInsertFromUrl = new Common.UI.Button({
                el: $("#image-button-from-url")
            });
            this.lockedControls.push(this.btnInsertFromUrl);
            this.btnOriginalSize.on("click", _.bind(this.setOriginalSize, this));
            this.btnInsertFromFile.on("click", _.bind(function (btn) {
                if (this.api) {
                    this.api.ChangeImageFromFile();
                }
                this.fireEvent("editcomplete", this);
            },
            this));
            this.btnInsertFromUrl.on("click", _.bind(this.insertFromUrl, this));
            $(this.el).on("click", "#image-advanced-link", _.bind(this.openAdvancedSettings, this));
        },
        render: function () {
            var el = $(this.el);
            el.html(this.template({
                scope: this
            }));
            this.linkAdvanced = $("#image-advanced-link");
        },
        setApi: function (api) {
            this.api = api;
            return this;
        },
        updateMetricUnit: function () {
            var value = Common.Utils.Metric.fnRecalcFromMM(this._state.Width);
            this.labelWidth[0].innerHTML = this.textWidth + ": " + value.toFixed(1) + " " + Common.Utils.Metric.metricName[Common.Utils.Metric.getCurrentMetric()];
            value = Common.Utils.Metric.fnRecalcFromMM(this._state.Height);
            this.labelHeight[0].innerHTML = this.textHeight + ": " + value.toFixed(1) + " " + Common.Utils.Metric.metricName[Common.Utils.Metric.getCurrentMetric()];
        },
        createDelayedElements: function () {
            this.updateMetricUnit();
        },
        ChangeSettings: function (props) {
            if (this._initSettings) {
                this.createDelayedElements();
                this._initSettings = false;
            }
            this.disableControls(this._locked);
            if (props) {
                this._originalProps = new CImgProperty(props);
                var value = props.get_Width();
                if (Math.abs(this._state.Width - value) > 0.001) {
                    this.labelWidth[0].innerHTML = this.textWidth + ": " + Common.Utils.Metric.fnRecalcFromMM(value).toFixed(1) + " " + Common.Utils.Metric.metricName[Common.Utils.Metric.getCurrentMetric()];
                    this._state.Width = value;
                }
                value = props.get_Height();
                if (Math.abs(this._state.Height - value) > 0.001) {
                    this.labelHeight[0].innerHTML = this.textHeight + ": " + Common.Utils.Metric.fnRecalcFromMM(value).toFixed(1) + " " + Common.Utils.Metric.metricName[Common.Utils.Metric.getCurrentMetric()];
                    this._state.Height = value;
                }
                this.btnOriginalSize.setDisabled(props.get_ImageUrl() === null || props.get_ImageUrl() === undefined || this._locked);
            }
        },
        setOriginalSize: function () {
            if (this.api) {
                var imgsize = this.api.get_OriginalSizeImage();
                var w = imgsize.get_ImageWidth();
                var h = imgsize.get_ImageHeight();
                this.labelWidth[0].innerHTML = this.textWidth + ": " + Common.Utils.Metric.fnRecalcFromMM(w).toFixed(1) + " " + Common.Utils.Metric.metricName[Common.Utils.Metric.getCurrentMetric()];
                this.labelHeight[0].innerHTML = this.textHeight + ": " + Common.Utils.Metric.fnRecalcFromMM(h).toFixed(1) + " " + Common.Utils.Metric.metricName[Common.Utils.Metric.getCurrentMetric()];
                var properties = new CImgProperty();
                properties.put_Width(w);
                properties.put_Height(h);
                this.api.ImgApply(properties);
                this.fireEvent("editcomplete", this);
            }
        },
        insertFromUrl: function () {
            var me = this;
            (new Common.Views.ImageFromUrlDialog({
                handler: function (result, value) {
                    if (result == "ok") {
                        if (me.api) {
                            var checkUrl = value.replace(/ /g, "");
                            if (!_.isEmpty(checkUrl)) {
                                var props = new CImgProperty();
                                props.put_ImageUrl(checkUrl);
                                me.api.ImgApply(props);
                            }
                        }
                    }
                    me.fireEvent("editcomplete", me);
                }
            })).show();
        },
        openAdvancedSettings: function (e) {
            if (this.linkAdvanced.hasClass("disabled")) {
                return;
            }
            var me = this;
            if (me.api && !this._locked) {
                var selectedElements = me.api.getSelectedElements();
                if (selectedElements && selectedElements.length > 0) {
                    var elType, elValue;
                    for (var i = selectedElements.length - 1; i >= 0; i--) {
                        elType = selectedElements[i].get_ObjectType();
                        elValue = selectedElements[i].get_ObjectValue();
                        if (c_oAscTypeSelectElement.Image == elType) {
                            var imgsizeOriginal;
                            if (!me.btnOriginalSize.isDisabled()) {
                                imgsizeOriginal = me.api.get_OriginalSizeImage();
                                if (imgsizeOriginal) {
                                    imgsizeOriginal = {
                                        width: imgsizeOriginal.get_ImageWidth(),
                                        height: imgsizeOriginal.get_ImageHeight()
                                    };
                                }
                            } (new PE.Views.ImageSettingsAdvanced({
                                imageProps: elValue,
                                sizeOriginal: imgsizeOriginal,
                                handler: function (result, value) {
                                    if (result == "ok") {
                                        if (me.api) {
                                            me.api.ImgApply(value.imageProps);
                                        }
                                    }
                                    me.fireEvent("editcomplete", me);
                                }
                            })).show();
                            break;
                        }
                    }
                }
            }
        },
        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);
                });
                this.linkAdvanced.toggleClass("disabled", disable);
            }
        },
        textSize: "Size",
        textWidth: "Width",
        textHeight: "Height",
        textOriginalSize: "Default Size",
        textInsert: "Insert Image",
        textFromUrl: "From URL",
        textFromFile: "From File",
        textAdvanced: "Show advanced settings"
    },
    PE.Views.ImageSettings || {}));
});