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import React = require("react")
import { observer } from "mobx-react";
import { computed } from "mobx";
import { Field, Opt, FieldWaiting, FieldValue } from "../../../fields/Field";
import { Document } from "../../../fields/Document";
import { TextField } from "../../../fields/TextField";
import { NumberField } from "../../../fields/NumberField";
import { RichTextField } from "../../../fields/RichTextField";
import { ImageField } from "../../../fields/ImageField";
import { Key } from "../../../fields/Key";
import { FormattedTextBox } from "./FormattedTextBox";
import { ImageBox } from "./ImageBox";
import { DocumentView } from "./DocumentView";
//
// these properties get assigned through the render() method of the DocumentView when it creates this node.
// However, that only happens because the properties are "defined" in the markup for the field view.
// See the LayoutString method on each field view : ImageBox, FormattedTextBox, etc.
//
export interface FieldViewProps {
fieldKey: Key;
doc: Document;
DocumentViewForField: Opt<DocumentView>
}
@observer
export class FieldView extends React.Component<FieldViewProps> {
public static LayoutString(fieldType: string) { return `<${fieldType} doc={Document} DocumentViewForField={DocumentView} fieldKey={DataKey} />`; }
@computed
get field(): FieldValue<Field> {
const { doc, fieldKey } = this.props;
return doc.Get(fieldKey);
}
render() {
const field = this.field;
if (!field) {
return <p>{'<null>'}</p>
}
if (field instanceof TextField) {
return <p>{field.Data}</p>
}
else if (field instanceof RichTextField) {
return <FormattedTextBox {...this.props} />
}
else if (field instanceof ImageField) {
return <ImageBox {...this.props} />
}
else if (field instanceof NumberField) {
return <p>{field.Data}</p>
} else if (field != FieldWaiting) {
return <p>{field.GetValue}</p>
} else
return <p> {"Waiting for server..."} </p>
}
}
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