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Merge pull request #2886 from lholmquist/wrap_uploader
Generic Uploader component
This commit is contained in:
Hannah Wolfe
commit
fd9b8fac48
262
ghost/admin/assets/lib/uploader.js
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262
ghost/admin/assets/lib/uploader.js
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import ghostPaths from 'ghost/utils/ghost-paths';
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var UploadUi,
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upload,
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Ghost = ghostPaths();
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UploadUi = function ($dropzone, settings) {
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var $url = '<div class="js-url"><input class="url js-upload-url" type="url" placeholder="http://"/></div>',
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$cancel = '<a class="image-cancel js-cancel" title="Delete"><span class="hidden">Delete</span></a>',
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$progress = $('<div />', {
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'class' : 'js-upload-progress progress progress-success active',
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'role': 'progressbar',
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'aria-valuemin': '0',
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'aria-valuemax': '100'
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}).append($('<div />', {
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'class': 'js-upload-progress-bar bar',
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'style': 'width:0%'
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}));
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$.extend(this, {
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complete: function (result) {
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var self = this;
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function showImage(width, height) {
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$dropzone.find('img.js-upload-target').attr({'width': width, 'height': height}).css({'display': 'block'});
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$dropzone.find('.fileupload-loading').remove();
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$dropzone.css({'height': 'auto'});
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$dropzone.delay(250).animate({opacity: 100}, 1000, function () {
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$('.js-button-accept').prop('disabled', false);
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self.init();
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});
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}
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function animateDropzone($img) {
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$dropzone.animate({opacity: 0}, 250, function () {
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$dropzone.removeClass('image-uploader').addClass('pre-image-uploader');
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$dropzone.css({minHeight: 0});
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self.removeExtras();
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$dropzone.animate({height: $img.height()}, 250, function () {
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showImage($img.width(), $img.height());
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});
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});
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}
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function preLoadImage() {
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var $img = $dropzone.find('img.js-upload-target')
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.attr({'src': '', 'width': 'auto', 'height': 'auto'});
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$progress.animate({'opacity': 0}, 250, function () {
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$dropzone.find('span.media').after('<img class="fileupload-loading" src="' + Ghost.subdir + '/ghost/img/loadingcat.gif" />');
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if (!settings.editor) {$progress.find('.fileupload-loading').css({'top': '56px'}); }
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});
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$dropzone.trigger('uploadsuccess', [result]);
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$img.one('load', function () {
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animateDropzone($img);
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}).attr('src', result);
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}
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preLoadImage();
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},
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bindFileUpload: function () {
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var self = this;
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$dropzone.find('.js-fileupload').fileupload().fileupload('option', {
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url: Ghost.subdir + '/ghost/upload/',
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headers: {
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'X-CSRF-Token': $('meta[name=\'csrf-param\']').attr('content')
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},
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add: function (e, data) {
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/*jshint unused:false*/
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$('.js-button-accept').prop('disabled', true);
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$dropzone.find('.js-fileupload').removeClass('right');
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$dropzone.find('.js-url').remove();
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$progress.find('.js-upload-progress-bar').removeClass('fail');
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$dropzone.trigger('uploadstart', [$dropzone.attr('id')]);
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$dropzone.find('span.media, div.description, a.image-url, a.image-webcam')
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.animate({opacity: 0}, 250, function () {
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$dropzone.find('div.description').hide().css({'opacity': 100});
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if (settings.progressbar) {
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$dropzone.find('div.js-fail').after($progress);
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$progress.animate({opacity: 100}, 250);
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}
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data.submit();
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});
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},
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dropZone: settings.fileStorage ? $dropzone : null,
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progressall: function (e, data) {
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/*jshint unused:false*/
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var progress = parseInt(data.loaded / data.total * 100, 10);
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if (!settings.editor) {$progress.find('div.js-progress').css({'position': 'absolute', 'top': '40px'}); }
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if (settings.progressbar) {
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$dropzone.trigger('uploadprogress', [progress, data]);
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$progress.find('.js-upload-progress-bar').css('width', progress + '%');
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}
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},
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fail: function (e, data) {
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/*jshint unused:false*/
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$('.js-button-accept').prop('disabled', false);
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$dropzone.trigger('uploadfailure', [data.result]);
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$dropzone.find('.js-upload-progress-bar').addClass('fail');
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if (data.jqXHR.status === 413) {
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$dropzone.find('div.js-fail').text('The image you uploaded was larger than the maximum file size your server allows.');
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} else if (data.jqXHR.status === 415) {
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$dropzone.find('div.js-fail').text('The image type you uploaded is not supported. Please use .PNG, .JPG, .GIF, .SVG.');
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} else {
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$dropzone.find('div.js-fail').text('Something went wrong :(');
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}
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$dropzone.find('div.js-fail, button.js-fail').fadeIn(1500);
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$dropzone.find('button.js-fail').on('click', function () {
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$dropzone.css({minHeight: 0});
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$dropzone.find('div.description').show();
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self.removeExtras();
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self.init();
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});
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},
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done: function (e, data) {
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/*jshint unused:false*/
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self.complete(data.result);
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}
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});
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},
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buildExtras: function () {
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if (!$dropzone.find('span.media')[0]) {
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$dropzone.prepend('<span class="media"><span class="hidden">Image Upload</span></span>');
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}
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if (!$dropzone.find('div.description')[0]) {
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$dropzone.append('<div class="description">Add image</div>');
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}
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if (!$dropzone.find('div.js-fail')[0]) {
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$dropzone.append('<div class="js-fail failed" style="display: none">Something went wrong :(</div>');
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}
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if (!$dropzone.find('button.js-fail')[0]) {
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$dropzone.append('<button class="js-fail button-add" style="display: none">Try Again</button>');
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}
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if (!$dropzone.find('a.image-url')[0]) {
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$dropzone.append('<a class="image-url" title="Add image from URL"><span class="hidden">URL</span></a>');
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}
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// if (!$dropzone.find('a.image-webcam')[0]) {
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// $dropzone.append('<a class="image-webcam" title="Add image from webcam"><span class="hidden">Webcam</span></a>');
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// }
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},
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removeExtras: function () {
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$dropzone.find('span.media, div.js-upload-progress, a.image-url, a.image-upload, a.image-webcam, div.js-fail, button.js-fail, a.js-cancel').remove();
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},
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initWithDropzone: function () {
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var self = this;
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//This is the start point if no image exists
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$dropzone.find('img.js-upload-target').css({'display': 'none'});
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$dropzone.removeClass('pre-image-uploader image-uploader-url').addClass('image-uploader');
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this.removeExtras();
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this.buildExtras();
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this.bindFileUpload();
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if (!settings.fileStorage) {
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self.initUrl();
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return;
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}
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$dropzone.find('a.image-url').on('click', function () {
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self.initUrl();
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});
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},
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initUrl: function () {
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var self = this, val;
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this.removeExtras();
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$dropzone.addClass('image-uploader-url').removeClass('pre-image-uploader');
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$dropzone.find('.js-fileupload').addClass('right');
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if (settings.fileStorage) {
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$dropzone.append($cancel);
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}
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$dropzone.find('.js-cancel').on('click', function () {
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$dropzone.find('.js-url').remove();
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$dropzone.find('.js-fileupload').removeClass('right');
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self.removeExtras();
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self.initWithDropzone();
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});
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$dropzone.find('div.description').before($url);
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if (settings.editor) {
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$dropzone.find('div.js-url').append('<button class="js-button-accept button-save">Save</button>');
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}
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$dropzone.find('.js-button-accept').on('click', function () {
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val = $dropzone.find('.js-upload-url').val();
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$dropzone.find('div.description').hide();
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$dropzone.find('.js-fileupload').removeClass('right');
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$dropzone.find('.js-url').remove();
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if (val === '') {
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$dropzone.trigger('uploadsuccess', 'http://');
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self.initWithDropzone();
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} else {
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self.complete(val);
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}
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});
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// Only show the toggle icon if there is a dropzone mode to go back to
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if (settings.fileStorage !== false) {
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$dropzone.append('<a class="image-upload" title="Add image"><span class="hidden">Upload</span></a>');
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}
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$dropzone.find('a.image-upload').on('click', function () {
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$dropzone.find('.js-url').remove();
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$dropzone.find('.js-fileupload').removeClass('right');
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self.initWithDropzone();
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});
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},
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initWithImage: function () {
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var self = this;
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// This is the start point if an image already exists
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$dropzone.removeClass('image-uploader image-uploader-url').addClass('pre-image-uploader');
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$dropzone.find('div.description').hide();
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$dropzone.append($cancel);
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$dropzone.find('.js-cancel').on('click', function () {
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$dropzone.find('img.js-upload-target').attr({'src': ''});
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$dropzone.find('div.description').show();
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$dropzone.delay(2500).animate({opacity: 100}, 1000, function () {
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self.init();
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});
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$dropzone.trigger('uploadsuccess', 'http://');
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self.initWithDropzone();
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});
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},
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init: function () {
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var imageTarget = $dropzone.find('img.js-upload-target');
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// First check if field image is defined by checking for js-upload-target class
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if (!imageTarget[0]) {
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// This ensures there is an image we can hook into to display uploaded image
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$dropzone.prepend('<img class="js-upload-target" style="display: none" src="" />');
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}
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$('.js-button-accept').prop('disabled', false);
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if (imageTarget.attr('src') === '' || imageTarget.attr('src') === undefined) {
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this.initWithDropzone();
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} else {
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this.initWithImage();
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}
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}
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});
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};
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upload = function (options) {
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var settings = $.extend({
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progressbar: true,
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editor: false,
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fileStorage: true
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}, options);
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return this.each(function () {
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var $dropzone = $(this),
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ui;
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ui = new UploadUi($dropzone, settings);
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ui.init();
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});
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};
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export default upload;
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