[pickers] POC: PickersTextField styling - outlined variant

docs/data/date-pickers/date-field/FakeTextFieldWrapper.js

@@ -0,0 +1,136 @@
+import * as React from 'react';
+import dayjs from 'dayjs';
+import { useLocaleText, useUtils } from '@mui/x-date-pickers/internals';
+import { TextField, Box } from '@mui/material';
+import InputAdornment from '@mui/material/InputAdornment';
+import CalendarMonthIcon from '@mui/icons-material/CalendarMonth';
+import { AdapterDayjs } from '@mui/x-date-pickers/AdapterDayjs';
+import { LocalizationProvider } from '@mui/x-date-pickers/LocalizationProvider';
+import { FakeTextField } from '@mui/x-date-pickers/internals/components/FakeTextField';
+import {
+  addPositionPropertiesToSections,
+  splitFormatIntoSections,
+} from '@mui/x-date-pickers/internals/hooks/useField';
+
+const date = dayjs('2022-04-17');
+const timezone = 'default';
+const format = 'MM-DD-YYYY';
+const formatDensity = 'spacious';
+const shouldRespectLeadingZeros = false;
+const isRTL = false;
+
+function AppContent() {
+  const utils = useUtils();
+  const localeText = useLocaleText();
+  const ref = React.useRef(null);
+
+  const sections = React.useMemo(
+    () =>
+      addPositionPropertiesToSections(
+        splitFormatIntoSections(
+          utils,
+          timezone,
+          localeText,
+          format,
+          date,
+          formatDensity,
+          shouldRespectLeadingZeros,
+          isRTL,
+        ),
+        isRTL,
+      ),
+    [utils, localeText],
+  );
+
+  // simulating behavior; TODO: Delete
+  const elements = React.useMemo(
+    () =>
+      sections.map((section, sectionIndex) => ({
+        container: {
+          'data-sectionindex': sectionIndex,
+          onClick: () => {},
+        },
+        content: {
+          className: 'content',
+          role: 'textbox',
+          children: section.value || section.placeholder,
+          inputMode: section.contentType === 'letter' ? 'text' : 'numeric',
+          suppressContentEditableWarning: true,
+          style: {
+            outline: 'none',
+          },
+        },
+        before: {
+          className: 'before',
+          children: section.startSeparator,
+          style: { whiteSpace: 'pre' },
+        },
+        after: {
+          className: 'after',
+          children: section.endSeparator,
+          style: { whiteSpace: 'pre' },
+        },
+      })),
+    [sections],
+  );
+
+  return (
+    <FakeTextField
+      label="test"
+      required
+      helperText="test"
+      elements={elements}
+      size="small"
+      error
+      // disabled
+      color="secondary"
+      fullWidth
+      onChange={() => {}}
+      valueType="placeholder"
+      InputProps={{
+        startAdornment: (
+          <InputAdornment position="start">
+            <CalendarMonthIcon />
+          </InputAdornment>
+        ),
+        endAdornment: (
+          <InputAdornment position="end">
+            <CalendarMonthIcon />
+          </InputAdornment>
+        ),
+      }}
+      {...{ ref }}
+    />
+  );
+}
+
+export default function FakeTextFieldWrapper() {
+  return (
+    <LocalizationProvider dateAdapter={AdapterDayjs}>
+      <Box>
+        <AppContent />
+        <TextField
+          required
+          error
+          label="test"
+          // value="04-17-2022"
+          size="small"
+          helperText="test"
+          fullWidth
+          InputProps={{
+            // startAdornment: (
+            //   <InputAdornment position="start">
+            //     <CalendarMonthIcon />
+            //   </InputAdornment>
+            // ),
+            endAdornment: (
+              <InputAdornment position="end">
+                <CalendarMonthIcon />
+              </InputAdornment>
+            ),
+          }}
+        />
+      </Box>
+    </LocalizationProvider>
+  );
+}

docs/data/date-pickers/date-field/FakeTextFieldWrapper.tsx

@@ -0,0 +1,137 @@
+import * as React from 'react';
+import dayjs from 'dayjs';
+import { useLocaleText, useUtils } from '@mui/x-date-pickers/internals';
+import { TextField, Box } from '@mui/material';
+import InputAdornment from '@mui/material/InputAdornment';
+import CalendarMonthIcon from '@mui/icons-material/CalendarMonth';
+import { AdapterDayjs } from '@mui/x-date-pickers/AdapterDayjs';
+import { LocalizationProvider } from '@mui/x-date-pickers/LocalizationProvider';
+import { FakeTextField } from '@mui/x-date-pickers/internals/components/FakeTextField';
+import {
+  addPositionPropertiesToSections,
+  splitFormatIntoSections,
+} from '@mui/x-date-pickers/internals/hooks/useField';
+
+const date = dayjs('2022-04-17');
+const timezone = 'default';
+const format = 'MM-DD-YYYY';
+const formatDensity = 'spacious';
+const shouldRespectLeadingZeros = false;
+const isRTL = false;
+
+function AppContent() {
+  const utils = useUtils();
+  const localeText = useLocaleText();
+  const ref = React.useRef(null);
+
+  const sections = React.useMemo(
+    () =>
+      addPositionPropertiesToSections(
+        splitFormatIntoSections(
+          utils,
+          timezone,
+          localeText,
+          format,
+          date,
+          formatDensity,
+          shouldRespectLeadingZeros,
+          isRTL,
+        ),
+        isRTL,
+      ),
+    [utils, localeText],
+  );
+
+  // simulating behavior; TODO: Delete
+  const elements = React.useMemo(
+    () =>
+      sections.map((section, sectionIndex) => ({
+        container: {
+          'data-sectionindex': sectionIndex,
+          onClick: () => {},
+        } as React.HTMLAttributes<HTMLSpanElement>,
+        content: {
+          className: 'content',
+          role: 'textbox',
+          children: section.value || section.placeholder,
+          inputMode: section.contentType === 'letter' ? 'text' : 'numeric',
+          suppressContentEditableWarning: true,
+          style: {
+            outline: 'none',
+          },
+        },
+        before: {
+          className: 'before',
+          children: section.startSeparator,
+          style: { whiteSpace: 'pre' },
+        },
+        after: {
+          className: 'after',
+          children: section.endSeparator,
+          style: { whiteSpace: 'pre' },
+        },
+      })),
+    [sections],
+  );
+
+  return (
+    <FakeTextField
+      label="test"
+      required
+      helperText="test"
+      elements={elements}
+      size="small"
+      error
+      // disabled
+      color="secondary"
+      fullWidth
+      onChange={() => {}}
+      valueType="placeholder"
+      InputProps={{
+        startAdornment: (
+          <InputAdornment position="start">
+            <CalendarMonthIcon />
+          </InputAdornment>
+        ),
+        endAdornment: (
+          <InputAdornment position="end">
+            <CalendarMonthIcon />
+          </InputAdornment>
+        ),
+      }}
+      {...{ ref }}
+    />
+  );
+}
+
+export default function FakeTextFieldWrapper() {
+  return (
+    <LocalizationProvider dateAdapter={AdapterDayjs}>
+      <Box>
+        <AppContent />
+
+        <TextField
+          required
+          error
+          label="test"
+          // value="04-17-2022"
+          size="small"
+          helperText="test"
+          fullWidth
+          InputProps={{
+            // startAdornment: (
+            //   <InputAdornment position="start">
+            //     <CalendarMonthIcon />
+            //   </InputAdornment>
+            // ),
+            endAdornment: (
+              <InputAdornment position="end">
+                <CalendarMonthIcon />
+              </InputAdornment>
+            ),
+          }}
+        />
+      </Box>
+    </LocalizationProvider>
+  );
+}

docs/data/date-pickers/date-field/date-field.md

@@ -14,6 +14,12 @@ packageName: '@mui/x-date-pickers'
 
 {{"demo": "BasicDateField.js"}}
 
+## FakeTextField
+
+putting this demo here for easy testing, will remove before merging
+
+{{"demo": "FakeTextFieldWrapper.js"}}
+
 ## Uncontrolled vs. controlled value
 
 The value of the component can be uncontrolled or controlled.