Add logical (yes/no/?) data entry

app/src/frontend/building/data-components/logical-data-entry/logical-data-entry.tsx

@@ -0,0 +1,100 @@
+import React from 'react';
+
+import { BaseDataEntryProps } from '../data-entry';
+import { DataTitleCopyable } from '../data-title';
+
+interface ToggleButtonProps {
+    value: string;
+    checked: boolean;
+    disabled: boolean;
+    onChange: React.ChangeEventHandler<HTMLInputElement>;
+    checkedClassName: string;
+    uncheckedClassName: string;
+}
+
+const ToggleButton: React.FC<ToggleButtonProps> = ({
+    value,
+    checked,
+    disabled,
+    onChange,
+    checkedClassName,
+    uncheckedClassName,
+    children
+}) => {
+
+    return (
+        /**
+         * If the toggle button is both checked and disabled, we can't set disabled CSS class
+         * because then Bootstrap makes the button look like it wasn't checked.
+         * So we skip the class and force cursor type manually so it doesn't look clickable.
+         */ 
+        <label className={`btn ${checked ? checkedClassName : uncheckedClassName} ${disabled && !checked && 'disabled'}`}
+            {...disabled && checked && {
+                style: { cursor: 'default'}
+            }}
+        >
+            <input type="radio" name="options" value={value + ''}
+                autoComplete="off"
+                checked={checked}
+                onChange={onChange}
+                disabled={disabled}
+            />
+            {children}
+        </label>
+    );
+}
+
+interface LogicalDataEntryProps extends BaseDataEntryProps {
+    value: boolean;
+    disallowTrue?: boolean;
+    disallowFalse?: boolean;
+    disallowNull?: boolean;
+}
+
+export const LogicalDataEntry: React.FC<LogicalDataEntryProps> = (props) => {
+    function handleValueChange(e: React.ChangeEvent<HTMLInputElement>) {
+        props.onChange?.(props.slug, e.target.value === 'null' ? null : e.target.value === 'true');
+    }
+
+    const isDisabled = props.mode === 'view' || props.disabled;
+
+    return (
+        <>
+            <DataTitleCopyable
+                slug={props.slug}
+                title={props.title}
+                tooltip={props.tooltip}
+                disabled={props.disabled || props.value == undefined}
+                copy={props.copy}
+            />
+            <div className="btn-group btn-group-toggle">
+                <ToggleButton
+                    value="true"
+                    checked={props.value === true}
+                    disabled={isDisabled || props.disallowTrue}
+                    checkedClassName='btn-outline-dark active'
+                    uncheckedClassName='btn-outline-dark'
+                    onChange={handleValueChange}
+                >Yes</ToggleButton>
+
+                <ToggleButton
+                    value="null"
+                    checked={props.value == null}
+                    disabled={isDisabled || props.disallowNull}
+                    checkedClassName='btn-secondary active'
+                    uncheckedClassName='btn-outline-dark'
+                    onChange={handleValueChange}
+                >?</ToggleButton>
+
+                <ToggleButton
+                    value="false"
+                    checked={props.value === false}
+                    disabled={isDisabled || props.disallowFalse}
+                    checkedClassName='btn-outline-dark active'
+                    uncheckedClassName='btn-outline-dark'
+                    onChange={handleValueChange}
+                >No</ToggleButton>
+            </div>
+        </>
+    );
+};