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define(function(require) { |
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'use strict'; |
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var EmailBodyView; |
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var $ = require('jquery'); |
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var _ = require('underscore'); |
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var BaseView = require('oroui/js/app/views/base/view'); |
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var errorHandler = require('oroui/js/error'); |
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EmailBodyView = BaseView.extend({ |
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autoRender: true, |
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/** |
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* @type {string} |
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*/ |
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bodyContent: null, |
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/** |
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* @type {Array.<string>} |
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*/ |
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styles: null, |
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events: { |
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'click .email-extra-body-toggle': 'onEmailExtraBodyToggle' |
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}, |
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listen: { |
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'layout:reposition mediator': '_updateHeight' |
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}, |
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/** |
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* @inheritDoc |
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*/ |
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constructor: function EmailBodyView() { |
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EmailBodyView.__super__.constructor.apply(this, arguments); |
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}, |
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/** |
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* @inheritDoc |
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*/ |
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initialize: function(options) { |
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_.extend(this, _.pick(options, ['bodyContent', 'styles'])); |
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this.$frame = this.$el; |
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this.$frame.on('emailShown', _.bind(this._updateHeight, this)); |
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this.$frame.on('load', this.reattachBody.bind(this)); |
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this.setElement(this.$el.contents().find('html')); |
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EmailBodyView.__super__.initialize.apply(this, arguments); |
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}, |
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/** |
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* @inheritDoc |
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*/ |
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dispose: function() { |
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if (this.disposed) { |
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return; |
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} |
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if (this.$frame) { |
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this.$frame.off(); |
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} |
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delete this.$frame; |
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EmailBodyView.__super__.dispose.call(this); |
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}, |
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/** |
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* @inheritDoc |
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*/ |
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render: function() { |
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var $content; |
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var content = this.bodyContent; |
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try { |
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/** |
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* Valid email could not contain a root node after HTML tags strip, |
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* but it is still valid HTML fragment and it should be displayed like an HTML |
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* |
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* Example: |
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* Original email: |
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* <html> |
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* <head> |
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* <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> |
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* </head> |
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* <body> |
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* Some Text <b>Some other text</b> |
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* </body> |
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* </html> |
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* |
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* Content after strip: |
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* Some Text <b>Some other text</b> |
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* |
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* This content will not be correctly parsed by JQuery, but should be displayed as an HTML |
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*/ |
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var contentWithRootNode = '<div>' + content + '</div>'; |
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$content = $(contentWithRootNode); |
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} catch (e) { |
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errorHandler.showErrorInConsole(e); |
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// if content can not be processed as HTML, output it as plain text |
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content = content.replace(/[&<>]/g, function(c) { |
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return '&#' + c.charCodeAt(0) + ';'; |
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}); |
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$content = $('<div class="plain-text">' + content + '</div>'); |
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} |
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this.$('body').html($content); |
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this._injectStyles(); |
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this._markEmailExtraBody(); |
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this._updateHeight(); |
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return this; |
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}, |
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/** |
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* Fixes issue when iframe get empty after DOM-manipulation |
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*/ |
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reattachBody: function() { |
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this.undelegateEvents(); |
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this.$frame.contents().find('html').replaceWith(this.$el); |
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this.delegateEvents(); |
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}, |
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/** |
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* Add application styles to the iframe document |
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* |
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* @protected |
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*/ |
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_injectStyles: function() { |
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var $head; |
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if (!this.styles) { |
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return; |
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} |
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$head = this.$('head'); |
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_.each(this.styles, function(src) { |
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$('<link/>', {rel: 'stylesheet', href: src}).appendTo($head); |
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}); |
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}, |
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/** |
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* Updates height for iFrame element depending on the email content size |
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* |
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* @protected |
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*/ |
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_updateHeight: function() { |
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var $frame = this.$frame; |
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var $el = this.$el; |
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_.delay(function() { |
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$frame.height(0); |
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$frame.height($el[0].scrollHeight); |
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}, 50); |
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}, |
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/** |
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* Marks email extra-body part and adds the toggler |
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* |
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* @protected |
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*/ |
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_markEmailExtraBody: function() { |
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var $extraBodies = this.$('body>.quote, body>.gmail_extra') |
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.not('.email-extra-body') |
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.addClass('email-extra-body'); |
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$('<div class="email-extra-body-toggle"></div>').insertBefore($extraBodies); |
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}, |
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/** |
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* Handles click on email extra-body toggle button |
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* @param {jQuery.Event} e |
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*/ |
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onEmailExtraBodyToggle: function(e) { |
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this.$(e.currentTarget) |
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.next() |
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.toggleClass('in'); |
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this._updateHeight(); |
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} |
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}); |
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return EmailBodyView; |
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}); |
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oroinc /
platform
