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82 lines
2.3 KiB
Markdown
82 lines
2.3 KiB
Markdown
# Step 2.3: Theming and Styling
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Theming and Styling with UI Fabric. In this section, we will illustrate how to utilize some of the built-in theming and styling features right inside UI Fabric component library. UI Fabric exposes its own css-in-js library called `mergeStyles` that is very performant compared with other similar libraries.
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# Exercises
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## Themes - Using Predefined Theme
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Apply some included and predefined themes from the UI Fabric package inside the `/step2-03/exercise/src/components/TodoApp.tsx`. Do this by replacing:
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```ts
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import { FluentCustomizations } from '@uifabric/fluent-theme';
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```
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with:
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```ts
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import { TeamsCustomizations } from '@uifabric/theme-samples';
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```
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## Themes - Customized Theme
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Create your own theme and apply the color here: https://developer.microsoft.com/en-us/fabric#/styles/themegenerator
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```ts
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import { loadTheme } from 'office-ui-fabric-react';
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loadTheme({
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palette: {
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themePrimary: '#0078d4',
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themeLighterAlt: '#eff6fc',
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themeLighter: '#deecf9',
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themeLight: '#c7e0f4',
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themeTertiary: '#71afe5',
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themeSecondary: '#2b88d8',
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themeDarkAlt: '#106ebe',
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themeDark: '#005a9e',
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themeDarker: '#004578',
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neutralLighterAlt: '#f8f8f8',
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neutralLighter: '#f4f4f4',
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neutralLight: '#eaeaea',
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neutralQuaternaryAlt: '#dadada',
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neutralQuaternary: '#d0d0d0',
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neutralTertiaryAlt: '#c8c8c8',
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neutralTertiary: '#c2c2c2',
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neutralSecondary: '#858585',
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neutralPrimaryAlt: '#4b4b4b',
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neutralPrimary: '#333333',
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neutralDark: '#272727',
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black: '#1d1d1d',
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white: '#ffffff'
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}
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});
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```
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1. Delete the `Customizer` component
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2. Paste in this code in the `TodoApp.tsx` before the `TodoApp` component definition
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3. Play around with the values and use intellisense to discover the `ITheme` type within VS Code
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## CSS in JS with MergeStyles
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The styling library name is glamorous nor does it bring about emotion, but it is very quick and lightweight. `MergeStyles` turns CSS Rules into CSS class names to be applied to the components.
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1. Try applying a merged style `className` as a prop inside any component that you would find.
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```tsx
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import { mergeStyles } from 'office-ui-fabric-react';
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const className = mergeStyles({
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backgroundColor: 'red',
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selectors: {
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':hover': {
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backgroundColor: 'blue'
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}
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}
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});
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```
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2. Try to give a few components extra padding
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