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feat: onImageSelected #91

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feat: onImageSelected #91

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15 changes: 14 additions & 1 deletion lib/src/form_builder_image_picker.dart
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Original file line number Diff line number Diff line change
Expand Up @@ -82,6 +82,14 @@ class FormBuilderImagePicker extends FormBuilderFieldDecoration<List<dynamic>> {

final void Function(Image)? onImage;

/// use this to apply changes on selected images before applying didChange.
///
/// ```dart
/// (images, remainingImages) => (null != remainingImages && images.length > remainingImages) ? images.take(remainingImages) : images;
/// ```
final Iterable<XFile> Function(Iterable<XFile> images, int? remainingImages)?
onImageSelected;

/// maximum images to pick
///
/// also see [showDecoration],[previewAutoSizeWidth]
Expand Down Expand Up @@ -162,6 +170,7 @@ class FormBuilderImagePicker extends FormBuilderFieldDecoration<List<dynamic>> {
this.imageQuality,
this.preferredCameraDevice = CameraDevice.rear,
this.onImage,
this.onImageSelected,
this.maxImages,
this.cameraIcon = const Icon(Icons.camera_enhance),
this.galleryIcon = const Icon(Icons.image),
Expand Down Expand Up @@ -230,7 +239,11 @@ class FormBuilderImagePicker extends FormBuilderFieldDecoration<List<dynamic>> {
availableImageSources: availableImageSources,
onImageSelected: (image) {
state.focus();
field.didChange([...value, ...image]);
field.didChange([
...value,
...(onImageSelected?.call(image, remainingImages) ??
image),
]);
Navigator.pop(state.context);
},
);
Expand Down