133 lines
4.0 KiB
JavaScript
133 lines
4.0 KiB
JavaScript
import React from 'preact/compat';
|
|
import { useState, useRef, useEffect } from 'preact/hooks';
|
|
import setPosition from './setPosition';
|
|
|
|
const autoApply = props => {
|
|
const applied = props.annotation.clone({ body: [{ ...props.autoApply }]});
|
|
return applied.toAnnotation();
|
|
}
|
|
|
|
/**
|
|
* The popup editor component.
|
|
*
|
|
* TODO instead of just updating the current annotation state,
|
|
* we could create a stack of revisions, and allow going back
|
|
* with CTRL+Z.
|
|
*/
|
|
const Editor = props => {
|
|
|
|
// The current state of the edited annotation vs. original
|
|
const [ currentAnnotation, setCurrentAnnotation ] = useState();
|
|
|
|
// Reference to the DOM element, so we can set position
|
|
const element = useRef();
|
|
|
|
// Re-render: set derived annotation state & position the editor
|
|
useEffect(() => {
|
|
// Shorthand: user wants a template applied and this is a selection
|
|
const shouldApplyTemplate = props.applyTemplate && props.annotation?.isSelection;
|
|
|
|
// Apply template if needed
|
|
const annotation = shouldApplyTemplate ?
|
|
props.annotation.clone({ body: [ ...props.applyTemplate ]}) :
|
|
props.annotation;
|
|
|
|
if (!currentAnnotation?.isEqual(annotation))
|
|
setCurrentAnnotation(annotation);
|
|
|
|
if (shouldApplyTemplate && props.applyImmediately)
|
|
props.onAnnotationCreated(annotation.toAnnotation());
|
|
|
|
if (element.current)
|
|
setPosition(props.wrapperEl, element.current, props.selectedElement);
|
|
}, [ props.selectedElement.getBoundingClientRect() ]);
|
|
|
|
// Attach resize listener on mount
|
|
useEffect(() => {
|
|
const resizeObserver = new ResizeObserver(() => {
|
|
setPosition(props.wrapperEl, element.current, props.selectedElement);
|
|
});
|
|
|
|
resizeObserver.observe(props.wrapperEl);
|
|
return () => resizeObserver.disconnect();
|
|
}, []);
|
|
|
|
const onAppendBody = body => setCurrentAnnotation(
|
|
currentAnnotation.clone({
|
|
body: [ ...currentAnnotation.bodies, body ]
|
|
})
|
|
);
|
|
|
|
const onUpdateBody = (previous, updated) => setCurrentAnnotation(
|
|
currentAnnotation.clone({
|
|
body: currentAnnotation.bodies.map(body => body === previous ? updated : body)
|
|
})
|
|
);
|
|
|
|
const onRemoveBody = body => setCurrentAnnotation(
|
|
currentAnnotation.clone({
|
|
body: currentAnnotation.bodies.filter(b => b !== body)
|
|
})
|
|
);
|
|
|
|
const onOk = _ => {
|
|
// Removes the 'draft' flag from all bodies
|
|
const undraft = annotation => annotation.clone({
|
|
body : annotation.bodies.map(({ draft, ...rest }) => rest)
|
|
});
|
|
|
|
// Current annotation is either a selection (if it was created from
|
|
// scratch just now) or an annotation (if it existed already and was
|
|
// opened for editing)
|
|
if (currentAnnotation.bodies.length === 0) {
|
|
if (currentAnnotation.isSelection)
|
|
props.onCancel();
|
|
else
|
|
props.onAnnotationDeleted(props.annotation);
|
|
} else {
|
|
if (currentAnnotation.isSelection)
|
|
props.onAnnotationCreated(undraft(currentAnnotation).toAnnotation());
|
|
else
|
|
props.onAnnotationUpdated(undraft(currentAnnotation), props.annotation);
|
|
}
|
|
};
|
|
|
|
return (
|
|
<div ref={element} className="r6o-editor">
|
|
<div className="arrow" />
|
|
<div className="inner">
|
|
{React.Children.map(props.children, child =>
|
|
React.cloneElement(child, {
|
|
annotation : currentAnnotation,
|
|
readOnly : props.readOnly,
|
|
onAppendBody : onAppendBody,
|
|
onUpdateBody : onUpdateBody,
|
|
onRemoveBody : onRemoveBody,
|
|
onSaveAndClose : onOk
|
|
}))
|
|
}
|
|
|
|
{ props.readOnly ? (
|
|
<div className="footer">
|
|
<button
|
|
className="r6o-btn"
|
|
onClick={props.onCancel}>Close</button>
|
|
</div>
|
|
) : (
|
|
<div className="footer">
|
|
<button
|
|
className="r6o-btn outline"
|
|
onClick={props.onCancel}>Cancel</button>
|
|
|
|
<button
|
|
className="r6o-btn "
|
|
onClick={onOk}>Ok</button>
|
|
</div>
|
|
)}
|
|
</div>
|
|
</div>
|
|
)
|
|
|
|
}
|
|
|
|
export default Editor; |