schlechtenburg/packages/image/lib/edit.tsx

120 lines
2.7 KiB
TypeScript

import {
defineComponent,
reactive,
ref,
Ref,
watch,
PropType,
} from 'vue';
import {
model,
SbToolbar,
SbButton,
SbBlock,
IBlockData,
OnUpdateSelfCb,
} from '@schlechtenburg/core';
import { IParagraphData } from '@schlechtenburg/paragraph';
import {
getDefaultData,
IImageData,
} from './util';
import './style.scss';
export default defineComponent({
name: 'sb-image-edit',
model,
props: {
onUpdate: {
type: (null as unknown) as PropType<OnUpdateSelfCb<IImageData>>,
default: () => {},
},
data: {
type: (null as unknown) as PropType<IImageData>,
default: getDefaultData,
},
},
setup(props) {
const localData = reactive({
src: props.data.src,
alt: props.data.alt,
description: props.data.description,
});
const fileInput: Ref<null|HTMLInputElement> = ref(null);
watch(() => props.data, () => {
localData.src = props.data.src;
localData.alt = props.data.alt;
localData.description = props.data.description;
});
const selectImage = () => {
if (fileInput.value) {
fileInput.value.click();
}
};
const onImageSelect = () => {
if (fileInput.value && fileInput.value.files && fileInput.value.files.length) {
const reader = new FileReader();
reader.addEventListener('load', () => {
const src = reader?.result?.toString();
if (!src) {
throw new Error('Couldn\'t load image src');
}
props.onUpdate({
src,
alt: props.data.alt,
description: props.data.description,
});
});
reader.readAsDataURL(fileInput.value.files[0]);
}
};
const onDescriptionUpdate = (description: IBlockData<IParagraphData>) => {
props.onUpdate({
...props.data,
description,
});
};
return () => (
<figure class="sb-image">
<SbToolbar>
{localData.src
? <SbButton {...{ onClick: selectImage }}>Select Image</SbButton>
: null}
<input
type="file"
ref={fileInput}
style="display: none;"
onInput={onImageSelect}
/>
</SbToolbar>
{localData.src
? <>
<img
src={localData.src}
alt={localData.alt}
class="sb-image__content"
/>
<SbBlock
block={localData.description}
onUpdate={(updated: IBlockData<IParagraphData>) => onDescriptionUpdate(updated)}
/>
</>
: <SbButton {...{ onClick: selectImage }}>Select Image</SbButton>
}
</figure>
);
},
});