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https://github.com/i-lateral/silverstripe-modern

Modern inspired theme for SilverStripe installs
https://github.com/i-lateral/silverstripe-modern

bootstrap-4 silverstripe theme

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Modern inspired theme for SilverStripe installs

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README 

        
# SilverStripe "Modern" theme



SilverStripe Theme created using Bootstrap 4 that provides a "Modern" look.

With the following features:



1. Full width images

2. Modern luuking galleries

3. Styling for blog pages and posts

4. Dropdown navigation in the main menu



## Apperance



![Theme Preview](./theme-ss4-modern.png)



## Instalation



Install via composer:



    composer require ilateral/silverstripe-modern



## Requirements



This theme uses the `ilateral\silverstripe-deferedimages` module as well as `heyday/silverstripe-responsive-images` module

quite extensivley. In order to work correctly you will need to add some extra configuration

to your project (covered below).



## Supported Page Types



By default, this theme provides templates to support the following Page Types:



1. Page

2. Blog & Blog Post (official blog module)

3. Child Hub Page (`i-lateral/silverstripe-child-hub-page`)

4. Userforms

5. Gallery Hub/Page (`i-lateral/silverstripe-gallery`)



## Setup



This theme makes some assumptions about your project setup:



### 1. FeaturedImage is available on all Pages



By default `FeaturedImage` is available on the blog, but you will also need to add the following code to yout `Page.php`



```

class Page extends SiteTree

{

    private static $has_one = {

        'FeaturedImage' => Image::class

    }

}

```



Every page template in this theme supports `FeaturedImage`, so to get the best out of it, adding FeaturedImage to all pages will help.



You can alternatively rely on a module, such as `i-lateral/silverstripe-featuredimage`



### 2. Image size configuration



As mentioned above, this module makes use of the `heyday/silverstripe-responsive-images` module. You will need to add some additional

YML config to your project to define a valid image size, or else you will get errors:



```YML

---

Name: myimages

After: 'silverstripe-responsive-images/*'

---

Heyday\ResponsiveImages\ResponsiveImageExtension:

  default_method: FocusFill

  sets:

    FullwidthBanner:

      arguments:

        '(min-width: 1200px) and (min-device-pixel-ratio: 2.0)': [3840, 1500] # xl

        '(min-width: 1200px)': [1920, 750]

        '(min-width: 992px) and (min-device-pixel-ratio: 2.0)': [2400, 1200] # lg

        '(min-width: 992px)': [1200, 600]

        '(min-width: 768px) and (min-device-pixel-ratio: 2.0)': [1948, 1100] # md

        '(min-width: 768px)': [992, 600]

      default_arguments: [540, 750] # xs

    ContentBanner:

      arguments:

        '(min-width: 1200px) and (min-device-pixel-ratio: 2.0)': [2400, 1200] # xl

        '(min-width: 1200px)': [1200, 600]

        '(min-width: 992px) and (min-device-pixel-ratio: 2.0)': [1948, 1000] # lg

        '(min-width: 992px)': [992, 500]

        '(min-width: 768px) and (min-device-pixel-ratio: 2.0)': [1536, 1000] # md

        '(min-width: 768px)': [768, 500]

      default_arguments: [540, 540] # xs

```



**NOTE:** These are defaults, you can amend these sizes to suit your project needs.

Also, an example of this config is provided with this module.



## Banner Images / Titles



This theme loads the title, breadcrumbs and any featured

images into a `Banner` include. This means you can 

breakout and style the banner seperatly to the main site

`Layout`



You can also make the banner span the full width of the 

site by adding `FullWidthBanner` to true in your Pages

or Controllers, eg:



```PHP

class PageController extends ContentController

{

    public function getFullWidthBanner()

    {

        return true;

    }

}

```

## Page `Layout`



As more complex websites need more sophisticated markup, 

the `$Layout` variable is broken out into a seperate 

include (called from `Page.ss` master template).



This allows the layout to be overwritten and altered

without having to make changes to the core `Page.ss`

master template (which allows for a slightly smoother

upgrade path)



## Webpack



Core CSS/JS is transpiled and minified via webpack and all bootstrap classes

are injected into the webpack bundle.



If you want to make use of webpack you will need to install [Yarn](https://yarnpkg.com/getting-started)



#### Edit This Theme Directly



If you are not using version control (eg: git) or have added this theme to your

project's repo directly work with this theme. First navigate to the theme directory:



    # cd /path/to/my/project/themes/bootstrap



Now install dependencies:



    # yarn install



This will add `node_modules` to your theme and you can transpile dependencies using webpack:



    # yarn dev

    # yarn build



#### Using a Sub Theme



As of SilverStripe 4 you can use a sub theme to extend this theme, and you can use webpack

to include SCSS/JS from this theme in your own custom theme.



**Step 1: Create your theme**

Start off creating a theme with this structure (you can copy package.json and webpack.*.js

out of the parent theme):



    /themes/custom

        - src

            - javascript

                - script.js

            - scss

                - _variables.scss

                - mystyles.scss

                - bundle.scss

                - editor.scss

        - package.json

        - webpack.common.js

        - webpack.dev.js

        - webpack.prod.js



**Step 2: Install dependencies**

As above, you must run the following:



    # cd /path/to/project/themes/custom

    # yarn install



**Step 3: Setup your Bundle and/or Editor**

In `bundle.scss` you can import you own variable overwrites, and custom styles and

bring them inline with the parent theme's by adding something like this:



`themes/custom/src/scss/bundle.scss`

```scss

@import "../../node_modules/bootstrap/scss/functions";



@import "global/fonts";

@import "global/variables";



/**

 * Parent theme includes. Enable, re-name as required

 * to custom parent theme

 */

//@import '../../../[THEME]/src/scss/global/variables';



@import "../../node_modules/bootstrap/scss/variables";



/**

 * Import core bootstrap modules (only two provided as an example)

 */

@import "../../node_modules/bootstrap/scss/mixins";

@import "../../node_modules/bootstrap/scss/root";



/**

 * Parent theme imports (enable, re-name as required)

 */

@import '../../../[PARENTTHEME]/src/scss/global/typography';

@import '../../../[PARENTTHEME]/src/scss/global/global';

@import '../../../[PARENTTHEME]/src/scss/global/header';

@import '../../../[PARENTTHEME]/src/scss/global/body';

@import '../../../[PARENTTHEME]/src/scss/global/footer';

@import '../../../[PARENTTHEME]/src/scss/global/misc';

@import '../../../[PARENTTHEME]/src/scss/layout/homepage';



/**

 * Import custom styles

 */

@import "mystyles.scss";

```



**NOTE You may want to also add something similar to toyr `editor.scss`**



**Step 4 (optional): Add JS**

If you need to add custom Javascript, you can either add it to your theme's

`script.js` or add additional JS files. 



**Step 4: Check Webpack Config**

The theme's webpack config wil be used to transpile and minify all the SCSS/JS.



For the most part, you shouldn't need to change this, but if you add new JS files or

make more complex changes you might need to update mappings



**Step 5: Run a build**

Once everything is ready, you can transpile and minify your CSS/JS. You can do this via:



    # yarn dev



OR



    # yarn build



`yarn dev` is quick, performs less checks and doesn't minify, good for development.



`yarn build` performs linting and also minifies compiled code.