wip: add client side cropper to profile image field (#26251)
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@ -50,6 +50,11 @@ class ProfileImageField(FileField):
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def image_size(self):
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return app_settings.A2_ATTRIBUTE_KIND_PROFILE_IMAGE_SIZE
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def widget_attrs(self, widget):
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return {
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'data-image-size': self.image_size,
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}
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def clean(self, data, initial=None):
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if data is FILE_INPUT_CONTRADICTION or data is False or data is None:
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return super(ProfileImageField, self).clean(data, initial=initial)
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@ -263,3 +263,12 @@ class ProfileImageInput(ClearableFileInput):
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attrs = kwargs.pop('attrs', {})
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attrs['accept'] = 'image/*'
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super(ProfileImageInput, self).__init__(*args, attrs=attrs, **kwargs)
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class Media:
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css = {
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'all': ('css/croppie.css',),
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}
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js = (
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xstatic('jquery', 'jquery.min.js'),
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'js/croppie.js',
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)
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@ -0,0 +1,250 @@
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.croppie-container {
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width: 100%;
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height: 100%;
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}
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.croppie-container .cr-image {
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z-index: -1;
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position: absolute;
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top: 0;
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left: 0;
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transform-origin: 0 0;
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max-height: none;
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max-width: none;
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}
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.croppie-container .cr-boundary {
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position: relative;
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overflow: hidden;
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/* margin: 0 auto; */
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z-index: 1;
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width: 100%;
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height: 100%;
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}
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.croppie-container .cr-viewport,
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.croppie-container .cr-resizer {
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position: absolute;
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border: 2px solid #fff;
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margin: auto;
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top: 0;
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bottom: 0;
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right: 0;
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left: 0;
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box-shadow: 0 0 2000px 2000px rgba(0, 0, 0, 0.5);
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z-index: 0;
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}
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.croppie-container .cr-resizer {
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z-index: 2;
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box-shadow: none;
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pointer-events: none;
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}
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.croppie-container .cr-resizer-vertical,
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.croppie-container .cr-resizer-horisontal {
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position: absolute;
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pointer-events: all;
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}
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.croppie-container .cr-resizer-vertical::after,
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.croppie-container .cr-resizer-horisontal::after {
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display: block;
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position: absolute;
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box-sizing: border-box;
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border: 1px solid black;
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background: #fff;
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width: 10px;
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height: 10px;
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content: '';
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}
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.croppie-container .cr-resizer-vertical {
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bottom: -5px;
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cursor: row-resize;
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width: 100%;
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height: 10px;
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}
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.croppie-container .cr-resizer-vertical::after {
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left: 50%;
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margin-left: -5px;
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}
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.croppie-container .cr-resizer-horisontal {
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right: -5px;
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cursor: col-resize;
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width: 10px;
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height: 100%;
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}
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.croppie-container .cr-resizer-horisontal::after {
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top: 50%;
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margin-top: -5px;
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}
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.croppie-container .cr-original-image {
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display: none;
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}
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.croppie-container .cr-vp-circle {
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border-radius: 50%;
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}
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.croppie-container .cr-overlay {
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z-index: 1;
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position: absolute;
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cursor: move;
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touch-action: none;
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}
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.croppie-container .cr-slider-wrap {
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width: 75%;
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margin: 15px 0px;
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/* text-align: center; */
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}
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.croppie-result {
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position: relative;
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overflow: hidden;
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}
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.croppie-result img {
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position: absolute;
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}
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.croppie-container .cr-image,
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.croppie-container .cr-overlay,
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.croppie-container .cr-viewport {
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-webkit-transform: translateZ(0);
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-moz-transform: translateZ(0);
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-ms-transform: translateZ(0);
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transform: translateZ(0);
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}
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/*************************************/
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/***** STYLING RANGE INPUT ***********/
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/*************************************/
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/*http://brennaobrien.com/blog/2014/05/style-input-type-range-in-every-browser.html */
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/*************************************/
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.cr-slider {
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-webkit-appearance: none;
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/*removes default webkit styles*/
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/*border: 1px solid white; *//*fix for FF unable to apply focus style bug */
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width: 300px;
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/*required for proper track sizing in FF*/
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max-width: 100%;
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padding-top: 8px;
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padding-bottom: 8px;
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background-color: transparent;
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}
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.cr-slider::-webkit-slider-runnable-track {
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width: 100%;
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height: 3px;
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background: rgba(0, 0, 0, 0.5);
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border: 0;
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border-radius: 3px;
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}
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.cr-slider::-webkit-slider-thumb {
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-webkit-appearance: none;
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border: none;
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height: 16px;
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width: 16px;
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border-radius: 50%;
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background: #ddd;
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margin-top: -6px;
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}
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.cr-slider:focus {
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outline: none;
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}
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/*
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.cr-slider:focus::-webkit-slider-runnable-track {
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background: #ccc;
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}
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*/
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.cr-slider::-moz-range-track {
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width: 100%;
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height: 3px;
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background: rgba(0, 0, 0, 0.5);
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border: 0;
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border-radius: 3px;
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}
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.cr-slider::-moz-range-thumb {
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border: none;
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height: 16px;
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width: 16px;
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border-radius: 50%;
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background: #ddd;
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margin-top: -6px;
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}
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/*hide the outline behind the border*/
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.cr-slider:-moz-focusring {
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outline: 1px solid white;
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outline-offset: -1px;
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}
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.cr-slider::-ms-track {
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width: 100%;
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height: 5px;
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background: transparent;
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/*remove bg colour from the track, we'll use ms-fill-lower and ms-fill-upper instead */
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border-color: transparent;/*leave room for the larger thumb to overflow with a transparent border */
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border-width: 6px 0;
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color: transparent;/*remove default tick marks*/
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}
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.cr-slider::-ms-fill-lower {
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background: rgba(0, 0, 0, 0.5);
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border-radius: 10px;
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}
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.cr-slider::-ms-fill-upper {
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background: rgba(0, 0, 0, 0.5);
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border-radius: 10px;
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}
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.cr-slider::-ms-thumb {
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border: none;
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height: 16px;
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width: 16px;
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border-radius: 50%;
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background: #ddd;
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margin-top:1px;
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}
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.cr-slider:focus::-ms-fill-lower {
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background: rgba(0, 0, 0, 0.5);
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}
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.cr-slider:focus::-ms-fill-upper {
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background: rgba(0, 0, 0, 0.5);
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}
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/*******************************************/
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/***********************************/
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/* Rotation Tools */
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/***********************************/
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.cr-rotate-controls {
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position: absolute;
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bottom: 5px;
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left: 5px;
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z-index: 1;
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}
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.cr-rotate-controls button {
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border: 0;
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background: none;
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}
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.cr-rotate-controls i:before {
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display: inline-block;
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font-style: normal;
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font-weight: 900;
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font-size: 22px;
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}
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.cr-rotate-l i:before {
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content: '↺';
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}
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.cr-rotate-r i:before {
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content: '↻';
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}
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File diff suppressed because it is too large
Load Diff
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@ -1,5 +1,92 @@
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{% if widget.is_initial %}{{ widget.initial_text }}: <a href="{{ widget.value.url }}"><img src="{{ widget.value.url }}"/></a>{% if not widget.required %}
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<input type="checkbox" name="{{ widget.checkbox_name }}" id="{{ widget.checkbox_id }}" />
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<label for="{{ widget.checkbox_id }}">{{ widget.clear_checkbox_label }}</label>{% endif %}<br />
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{{ widget.input_text }}:{% endif %}
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<input type="{{ widget.type }}" name="{{ widget.name }}"{% include "django/forms/widgets/attrs.html" %} />
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{% load i18n %}
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<div>
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<div id="{{ widget.attrs.id }}_preview"></div>
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<input type="{{ widget.type }}" name="{{ widget.name }}"{% include "django/forms/widgets/attrs.html" %} />
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<button type="button" id="{{ widget.attrs.id}}_load_image_btn">{% trans "Load image" %}</button>
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{% if widget.is_initial and not widget.required%}
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<label for="{{ widget.checkbox_id }}">{{ widget.clear_checkbox_label }}
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<input type="checkbox" name="{{ widget.checkbox_name }}" id="{{ widget.checkbox_id }}" />
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</label>
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{% endif %}
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<script type="text/javascript">
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$(function () {
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var default_name = "{{ widget.value.name }}";
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var base_id = "{{ widget.attrs.id }}";
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var initial_url = "{{ widget.value.url }}";
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//return a promise that resolves with a File instance
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function urltoFile(url, filename, mimeType){
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mimeType = mimeType || (url.match(/^data:([^;]+);/)||'')[1];
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return (fetch(url)
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.then(function(res){return res.arrayBuffer();})
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.then(function(buf){return new File([buf], filename, {type:mimeType});})
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);
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}
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// Hack to create FileList objects, https://gist.github.com/guest271314/7eac2c21911f5e40f48933ac78e518bd#file-setfilelist-html
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class _DataTransfer {
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constructor() {
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return new ClipboardEvent("").clipboardData || new DataTransfer();
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}
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}
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var $fileinput = $('#' + base_id);
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var $preview = $('#' + base_id + '_preview');
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var $checkbox = $('#{{ widget.checkbox_id }}');
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var image_size = $fileinput.data('image-size') || 180;
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$preview.croppie({
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viewport: {
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width: image_size,
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height: image_size,
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},
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boundary: {
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width: 300,
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height: 300,
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},
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zoom: 1.0,
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});
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if (! initial_url) {
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$preview.hide();
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} else {
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$preview.croppie('bind', {
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url: initial_url,
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zoom: 1.0,
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});
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}
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$fileinput.hide();
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$('#' + base_id + '_load_image_btn').on('click', function () {
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$fileinput.click();
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});
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$fileinput.on('change', function () {
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$checkbox.prop('checked', false);
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var file = $fileinput[0].files[0];
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var reader = new FileReader();
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reader.addEventListener("load", function () {
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$preview.croppie('bind', {
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url: reader.result,
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});
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$preview.show();
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});
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reader.readAsDataURL(file);
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});
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$preview.on('update.croppie', function () {
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if ($checkbox.prop('checked')) {
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return;
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}
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$preview.croppie('result', {type: "blob", format: "jpeg"}).then(function (blob) {
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var data_transfer = new _DataTransfer();
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var file = new File([blob], default_name || 'avatar.jpg', {type: 'image/jpeg'});
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data_transfer.items.add(file);
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$fileinput[0].files = data_transfer.files;
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console.log('update fileinput with file', data_transfer.files[0], 'of length', data_transfer.files[0].size);
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});
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});
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$checkbox.on('change', function (ev) {
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if ($checkbox.prop('checked')) {
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$fileinput.val('');
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} else {
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$preview.trigger('update.croppie');
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}
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});
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});
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</script>
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</div>
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