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This is my current code used for the uploading task:

$imagesDropzone.dropzone init: -> this.on 'sending', (file, xhr) -> xhr.setRequestHeader 'Content-Type', file.type url: 'https://www.googleapis.com/upload/drive/v2/files?uploadType=media' method: 'post' maxFileSize: 5 paramName: 'images-dropzone-input' headers: 'Authorization': "Bearer #{ uploadBundle.accessToken }" addRemoveLinks: 'dictRemoveFile'

And it doesn't work (all uploaded files are broken). I know I need to do something like this:

xhr.send file

But I don't know where to put this call. How can I override the send behavior of Dropzone?

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After take a look on the source code of Dropzone, I figure out a way to do it by overriding the instance method uploadFiles:

imagesDropzoneInstance = new Dropzone '#imagesDropzone', url: 'https://www.googleapis.com/upload/drive/v2/files?uploadType=media' method: 'post' maxFileSize: 5 paramName: 'images-dropzone-input' headers: 'Authorization': "Bearer #{ uploadBundle.accessToken }" addRemoveLinks: 'dictRemoveFile' imagesDropzoneInstance.uploadFiles = (files) -> uploadFiles: (files) -> .. copy the uploadFiles method of Dropzone, modify, then paste here.. # Add the end: xhr.send files[0] # This overrides the default upload behavior.
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