web-apps/apps/presentationeditor/main/app/view/ImageSettings.js

/**
 *  ImageSettings.js
 *
 *  Created by Julia Radzhabova on 4/11/14
 *  Copyright (c) 2014 Ascensio System SIA. All rights reserved.
 *
 */

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) {
    'use strict';

    PE.Views.ImageSettings = Backbone.View.extend(_.extend({
        el: '#id-image-settings',

        // Compile our stats template
        template: _.template(menuTemplate),

        // Delegated events for creating new items, and clearing completed ones.
        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 || {}));
});