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Provides AJAX file upload functionality for FileFields and ImageFields with a simple widget replacement in the form.

Project description

Provides AJAX file upload functionality for FileFields and ImageFields with a simple widget replacement in the form.

No change is required your model fields or app logic. This plugin acts transparently so your model forms can treat files as if they were uploaded by “traditional” browser file upload.

Features

  • Drop-in replacement for Django’s built-in ClearableFileInput widget (no change required to your model).
  • Works in all major browsers including IE 7+.
  • Random hash string added to file names to ensure uploaded file paths are not guessable by others.

Usage

Refer to the example app included in the package for a working example.

Server Side

In your form, use the AjaxClearableFileInput on your FileField or ImageField.

from django import forms
from ajax_upload.widgets import AjaxClearableFileInput

class MyForm(forms.Form):
    my_image_field = forms.ImageField(widget=AjaxClearableFileInput())

Or, if using a ModelForm you can just override the widget.

from django import forms
from ajax_upload.widgets import AjaxClearableFileInput

class MyForm(forms.ModelForm):
    class Meta:
        model = MyModel
        widgets = {
            'my_image_field': AjaxClearableFileInput
        }

Client Side

Include the Javascript (and optionally CSS) files in your page and call the autoDiscover function. This will search the page for all the AJAX file input fields and apply the necessary Javascript.

<link href="{{ STATIC_URL }}ajax_upload/css/ajax-upload-widget.css" rel="stylesheet" type="text/css"/>
<script src="{{ STATIC_URL }}ajax_upload/js/jquery.iframe-transport.js"></script>
<script src="{{ STATIC_URL }}ajax_upload/js/ajax-upload-widget.js"></script>

<script>
    $(function() {
        AjaxUploadWidget.autoDiscover();
    });
</script>

You can also pass options to autoDiscover():

<script>
    $(function() {
        AjaxUploadWidget.autoDiscover({
            changeButtonText: 'Click to change',
            onError: function(data) { alert('Error!'); }
            // see source for full list of options
        });
    });
</script>

OR … you can explicitly instantiate an AjaxUploadWidget on an AJAX file input field:

<input id="Foo" name="foo" type="file" data-upload-url="/ajax-upload/" data-filename="" data-required=""/>
<!-- The input field needs to be outputed by Django to contain the appropriate data attributes -->

<script>
    new AjaxUploadWidget($('#Foo'), {
        // options
    });
</script>

Dependencies

  • jQuery 1.7+
  • jQuery Iframe Transport plugin (included in this package)

App Installation

  1. Add ajax_upload to your INSTALLED_APPS setting.

1. Hook in the urls.

# urls.py
urlpatterns += patterns('',
    (r'^ajax-upload/', include('ajax_upload.urls')),
)
  1. That’s it (don’t forget include the Javascript as mentioned above).

Running the Tests

./manage.py test ajax_upload

License

This app is licensed under the BSD license. See the LICENSE file for details.

Project details


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Filename, size & hash SHA256 hash help File type Python version Upload date
django-ajax-upload-widget-0.5.5.tar.gz (83.3 kB) Copy SHA256 hash SHA256 Source None Nov 18, 2013

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