Initial commit

ajaximage/apps.py

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+from django.apps import AppConfig
+
+
+class AjaximageConfig(AppConfig):
+    name = 'ajaximage'

ajaximage/fields.py

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+#-*- coding: utf-8 -*-
+from django.core.files.storage import default_storage
+from django.db.models.fields.files import FileDescriptor, FieldFile
+from django.db.models import Field
+from django.conf import settings
+from .widgets import AjaxImageWidget
+
+
+class AjaxImageField(Field):
+
+    storage = default_storage
+    attr_class = FieldFile
+    descriptor_class = FileDescriptor
+
+    def __init__(self, *args, **kwargs):
+        upload_to = kwargs.pop('upload_to', '')
+        max_height = kwargs.pop('max_height', 0)
+        max_width = kwargs.pop('max_width', 0)
+        crop = kwargs.pop('crop', False)
+        crop = 1 if crop is True else 0
+
+        if crop is 1 and (max_height is 0 or max_width is 0):
+            raise Exception('Both max_width and max_height are needed if cropping')
+
+        self.widget = AjaxImageWidget(
+            upload_to=upload_to,
+            max_width=max_width,
+            max_height=max_height,
+            crop=crop
+        )
+        super(AjaxImageField, self).__init__(*args, **kwargs)
+
+    def contribute_to_class(self, cls, name, virtual_only=False):
+        super(AjaxImageField, self).contribute_to_class(cls, name, virtual_only)
+        setattr(cls, self.name, self.descriptor_class(self))
+
+    def get_prep_value(self, value):
+        """Returns field's value prepared for saving into a database."""
+        # Need to convert File objects provided via a form to unicode for database insertion
+        if value is None:
+            return None
+        return str(value)
+
+    def get_internal_type(self):
+        return "TextField"
+
+    def formfield(self, **kwargs):
+        defaults = {'widget': self.widget}
+        defaults.update(kwargs)
+        return super(AjaxImageField, self).formfield(**defaults)
+
+    def url(self):
+        return 'a'
+
+
+if 'south' in settings.INSTALLED_APPS:
+    from south.modelsinspector import add_introspection_rules
+    add_introspection_rules([], ["^ajaximage\.fields\.AjaxImageField"])

ajaximage/forms.py

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+from django import forms
+
+
+class FileForm(forms.Form):
+	file = forms.FileField()

ajaximage/image.py

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+import os
+from PIL import Image, ImageOps
+try:
+    from StringIO import StringIO as IO
+except ImportError:
+    from io import BytesIO as IO
+
+from django.core.files.base import ContentFile
+from django.core.files.uploadedfile import SimpleUploadedFile
+
+
+def resize(file_, max_width=0, max_height=0, crop=0):
+    max_width = int(max_width)
+    max_height = int(max_height)
+    crop = int(crop)
+
+    if(max_width == 0 and max_height == 0):
+        return file_
+
+    max_width = 9999 if max_width == 0 else max_width
+    max_height = 9999 if max_height == 0 else max_height
+
+    size = (max_width, max_height)
+    image = Image.open(file_)
+
+    if(image.mode == 'RGBA'):
+        image.load()
+        background = Image.new('RGB', image.size, (255, 255, 255))
+        background.paste(image, mask=image.split()[3])
+        image = background
+
+    temp = IO()
+
+    if(crop == 1):
+        image = ImageOps.fit(image, size, Image.ANTIALIAS)
+    else:
+        image.thumbnail(size, Image.ANTIALIAS)
+
+    image.save(temp, 'jpeg')
+    temp.seek(0)
+
+    return SimpleUploadedFile(file_.name,
+                              temp.read(),
+                              content_type='image/jpeg')

ajaximage/locale/ru/LC_MESSAGES/django.po

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+# SOME DESCRIPTIVE TITLE.
+# Copyright (C) YEAR THE PACKAGE'S COPYRIGHT HOLDER
+# This file is distributed under the same license as the PACKAGE package.
+# Sergey Panasenko <[email protected]>, 2018.
+#
+msgid ""
+msgstr ""
+"Project-Id-Version: \n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2018-04-19 20:35+0300\n"
+"PO-Revision-Date: 2018-04-18 12:02+0300\n"
+"Last-Translator: Sergey Panasenko <[email protected]>\n"
+"Language-Team: \n"
+"Language: ru\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Plural-Forms: nplurals=4; plural=(n%10==1 && n%100!=11 ? 0 : n%10>=2 && n"
+"%10<=4 && (n%100<12 || n%100>14) ? 1 : n%10==0 || (n%10>=5 && n%10<=9) || (n"
+"%100>=11 && n%100<=14)? 2 : 3);\n"
+"X-Generator: Poedit 1.8.7.1\n"
+
+#: ajaximage/widgets.py:24
+msgid "Remove"
+msgstr "Удалить"

ajaximage/static/ajaximage/css/styles.css

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+.ajaximage {
+  float: left;
+}
+
+.ajaximage .progress {
+  background: #333;
+  width: 200px;
+}
+
+.ajaximage img {
+  width: 200px;
+  padding: 5px 0;
+  display: block;
+  margin-bottom: 3px;
+}
+
+.ajaximage a.file-link:hover img {
+  opacity: 0.8;
+}
+
+.ajaximage .progress,
+.ajaximage .file-link,
+.ajaximage .file-remove,
+.ajaximage .file-input {
+  display: none;
+}
+
+.ajaximage.progress-active .progress,
+.ajaximage.img-active .file-link,
+.ajaximage.img-active .file-remove,
+.ajaximage.form-active .file-input {
+  display: block;
+}