Ghost/ghost/admin/app/assets/lib/uploader.js

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