68 lines
2.3 KiB
Python
68 lines
2.3 KiB
Python
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from django import forms
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from django.utils.functional import cached_property
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from django.utils.translation import gettext_lazy as _
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from wagtail.admin.staticfiles import versioned_static
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from wagtail.admin.widgets import BaseChooser, BaseChooserAdapter
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from wagtail.images import get_image_model
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from wagtail.images.shortcuts import get_rendition_or_not_found
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from wagtail.telepath import register
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class AdminImageChooser(BaseChooser):
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choose_one_text = _("Choose an image")
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choose_another_text = _("Change image")
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link_to_chosen_text = _("Edit this image")
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template_name = "wagtailimages/widgets/image_chooser.html"
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chooser_modal_url_name = "wagtailimages_chooser:choose"
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icon = "image"
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classname = "image-chooser"
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js_constructor = "ImageChooser"
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def __init__(self, **kwargs):
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super().__init__(**kwargs)
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self.model = get_image_model()
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def get_value_data_from_instance(self, instance):
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data = super().get_value_data_from_instance(instance)
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preview_image = get_rendition_or_not_found(instance, "max-165x165")
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data["preview"] = {
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"url": preview_image.url,
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"width": preview_image.width,
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"height": preview_image.height,
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}
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data["default_alt_text"] = instance.default_alt_text
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return data
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def get_context(self, name, value_data, attrs):
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context = super().get_context(name, value_data, attrs)
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context["preview"] = value_data.get("preview", {})
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context["default_alt_text"] = value_data.get("default_alt_text", "")
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return context
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@property
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def media(self):
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return forms.Media(
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js=[
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versioned_static("wagtailimages/js/image-chooser-modal.js"),
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versioned_static("wagtailimages/js/image-chooser.js"),
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versioned_static("wagtailimages/js/image-chooser-telepath.js"),
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]
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)
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class ImageChooserAdapter(BaseChooserAdapter):
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js_constructor = "wagtail.images.widgets.ImageChooser"
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@cached_property
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def media(self):
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return forms.Media(
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js=[
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versioned_static("wagtailimages/js/image-chooser-modal.js"),
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versioned_static("wagtailimages/js/image-chooser-telepath.js"),
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]
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)
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register(ImageChooserAdapter(), AdminImageChooser)
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