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feat(docs): Add high contrast demo for testing #4757

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c8fd22b
feat(docs): Add high contrast demo for testing
wise-king-sullyman Aug 28, 2025
5f70ac7
fix(theme): Set theme defaults to system if no value is stored
wise-king-sullyman Aug 28, 2025
8d3b007
tweak demo for research purposes
wise-king-sullyman Aug 29, 2025
c15e446
further tweaks for research purposes
wise-king-sullyman Aug 29, 2025
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2 changes: 1 addition & 1 deletion packages/documentation-framework/components/example/example.js
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Original file line number Diff line number Diff line change
Expand Up @@ -98,7 +98,7 @@ export const Example = ({
// Content that appears between h3 and code block to explain example
children,
// Show dark theme switcher on full page examples
hasThemeSwitcher = process.env.hasThemeSwitcher,
hasThemeSwitcher = false,
// Show dark theme switcher on full page examples
hasRTLSwitcher = process.env.hasRTLSwitcher,
// Map of relative imports matched to their npm package import path (passed to Codesandbox)
Expand Down
9 changes: 5 additions & 4 deletions packages/documentation-framework/hooks/useTheme.js
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Expand Up @@ -39,7 +39,8 @@ class ThemeManager {
if (!this.isBrowser) {
return;
}
return localStorage.getItem(this.storageKey);
const storedValue = localStorage.getItem(this.storageKey);
return storedValue || this.defaultMode;
}

setStoredValue(value) {
Expand Down Expand Up @@ -104,7 +105,7 @@ const registerThemeManager = (themeType, manager) => {
const colorThemeManager = new ThemeManager({
storageKey: 'theme-preference',
modes: COLOR_MODES,
defaultMode: COLOR_MODES.SYSTEM,
defaultMode: COLOR_MODES.LIGHT,
cssClass: 'pf-v6-theme-dark',
classEnabledMode: COLOR_MODES.DARK,
mediaQueryString: '(prefers-color-scheme: dark)'
Expand All @@ -113,7 +114,7 @@ const colorThemeManager = new ThemeManager({
const highContrastThemeManager = new ThemeManager({
storageKey: 'high-contrast-preference',
modes: HIGH_CONTRAST_MODES,
defaultMode: HIGH_CONTRAST_MODES.SYSTEM,
defaultMode: HIGH_CONTRAST_MODES.OFF,
cssClass: 'pf-v6-theme-high-contrast',
classEnabledMode: HIGH_CONTRAST_MODES.ON,
mediaQueryString: '(prefers-contrast: more)'
Expand All @@ -138,7 +139,7 @@ export const useTheme = (themeType) => {
throw new Error(`Theme manager not found for theme type: ${themeType}`);
}

const [mode, setMode] = useState(theme.getStoredValue());
const [mode, setMode] = useState(theme.defaultMode);
const [resolvedTheme, setResolvedTheme] = useState(theme.resolve());

useEffect(() => {
Expand Down
33 changes: 33 additions & 0 deletions ...patternfly-docs/content/design-guidelines/patterns/HighContrast/HighContrast.md
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@@ -0,0 +1,33 @@
---
id: High contrast
section: patterns
---

import CheckCircleIcon from '@patternfly/react-icons/dist/js/icons/check-circle-icon';
import InfoCircleIcon from '@patternfly/react-icons/dist/js/icons/info-circle-icon';
import CodeIcon from '@patternfly/react-icons/dist/esm/icons/code-icon';
import CodeBranchIcon from '@patternfly/react-icons/dist/esm/icons/code-branch-icon';
import CubeIcon from '@patternfly/react-icons/dist/esm/icons/cube-icon';
import FilterIcon from '@patternfly/react-icons/dist/esm/icons/filter-icon';
import SortAmountDownIcon from '@patternfly/react-icons/dist/esm/icons/sort-amount-down-icon';
import EllipsisVIcon from '@patternfly/react-icons/dist/esm/icons/ellipsis-v-icon';
import display from '@patternfly/react-styles/css/utilities/Display/display';
import sizing from '@patternfly/react-styles/css/utilities/Sizing/sizing';
import spacing from '@patternfly/react-styles/css/utilities/Spacing/spacing';
import { DashboardWrapper } from '@patternfly/react-core/dist/js/demos/DashboardWrapper';

import MagicIcon from '@patternfly/react-icons/dist/esm/icons/magic-icon';
import CogIcon from '@patternfly/react-icons/dist/esm/icons/cog-icon';
import HelpIcon from '@patternfly/react-icons/dist/esm/icons/help-icon';
import BellIcon from '@patternfly/react-icons/dist/esm/icons/bell-icon';
import QuestionCircleIcon from '@patternfly/react-icons/dist/esm/icons/question-circle-icon';
import BarsIcon from '@patternfly/react-icons/dist/esm/icons/bars-icon';
import ExclamationCircleIcon from '@patternfly/react-icons/dist/esm/icons/exclamation-circle-icon';
import { useState } from 'react';
import { ThemeSelector } from '@patternfly/documentation-framework/components/themeSelector/themeSelector';

### High contrast

```js file='./HighContrast.tsx' isFullscreen

```
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