@macrostrat/column-components/dist/context/model-editor.js

React rendering primitives for stratigraphic columns

import { createContext, useState, useCallback, useEffect, useContext } from "react";
import update from "immutability-helper";
import h from "@macrostrat/hyper";
const ModelEditorContext = createContext(null);
function ModelEditorProvider(props) {
  let { model, logUpdates = false, children, alwaysConfirm = false } = props;
  console.warn(`Using the ModelEditorContext from
    @macrostrat/column-components is deprecated.
    Please use the equivalent class from
    @macrostrat/ui-components instead.`);
  const [editedModel, setState] = useState(model);
  const confirmChanges = () => props.onConfirmChanges(editedModel);
  const revertChanges = useCallback(() => {
    if (model == editedModel) return;
    if (alwaysConfirm && editedModel != null) {
      console.log("Confirming model changes");
      confirmChanges();
    }
    setState(model);
  }, [model]);
  useEffect(() => {
    revertChanges();
  }, [model]);
  const updateModel = useCallback(
    function(spec) {
      const v = update(editedModel, spec);
      if (logUpdates) {
        console.log(v);
      }
      return setState(v);
    },
    [logUpdates, editedModel]
  );
  const deleteModel = function() {
    setState(null);
    return props.onDelete(model);
  };
  const hasChanges = () => model === editedModel;
  const value = {
    model,
    editedModel,
    updateModel,
    deleteModel,
    hasChanges,
    revertChanges,
    confirmChanges
  };
  return h(ModelEditorContext.Provider, { value }, children);
}
const useModelEditor = () => useContext(ModelEditorContext);
export {
  ModelEditorContext,
  ModelEditorProvider,
  useModelEditor
};
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