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https://github.com/silverstripe/silverstripe-framework
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* Remove module specific subthemes documentation as it's removed * Added notes about cascading theme configuration * Update links to Themes listing to point to addons * Remove references to tarballs, and put composer publishing instructions in place instead
79 lines
3.9 KiB
Markdown
79 lines
3.9 KiB
Markdown
title: Themes
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summary: What makes up a SilverStripe Theme. How to install one or write your own theme.
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# Themes
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Themes can be used to kick start your SilverStripe projects, can be stored outside of your application code and your
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application can provide multiple unique themes (i.e a mobile theme).
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## Downloading
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Head to the [ themes section of the addons site ](http://addons.silverstripe.org/add-ons?search=&type=theme) to check out the range of themes the
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community has built. Each theme has a page with links you can use to preview and download it. Themes are normally published and downloaded using Composer,
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but may be available as archive files as well.
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## Installation
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### Via Composer
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If a theme has Composer support you can require it directly through `composer`.
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```bash
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composer require author/theme_name [version]
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```
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*Note:* `[version]` should be replaced with a version constraint if you know it, otherwise leave it blank to pull the latest version compatible with your project.
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<div class="alert" markdown="1">
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As you've added new files to your SilverStripe installation, make sure you clear the SilverStripe cache by appending
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`?flush=1` to your website URL (e.g http://yoursite.com/?flush=1).
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</div>
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After installing the files through either method, update the current theme in SilverStripe. This can be done by
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either altering the `SSViewer.themes` setting in a [config.yml](../configuration) or by changing the current theme in
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the Site Configuration panel (http://yoursite.com/admin/settings)
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**mysite/_config/app.yml**
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```yaml
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SilverStripe\View\SSViewer:
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themes:
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- theme_name
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- '$default'
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```
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### Manually
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Unpack the contents of the zip file you download into the `themes` directory in your SilverStripe installation. The
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theme should be accessible at `themes/theme_name`.
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## Developing your own theme
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A `theme` within SilverStripe is simply a collection of templates and other front end assets such as javascript and CSS located within the `themes` directory.
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![themes:basicfiles.gif](../../_images/basicfiles.gif)
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SilverStripe 4 has support for cascading themes, which will allow users to define multiple themes for a project. This means you can have a template defined in any theme, and have it continue to look back through the list of themes until a match it found.
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To define extra themes simply add extra entries to the `SilverStripe\View\SSViewer.themes` configuration array. You will probably always want to ensure that you include `'$default'` in your list of themes to ensure that the base templates are used when required.
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## Submitting your theme to addons
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If you want to submit your theme to the SilverStripe addons directory then check:
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* You should ensure your templates are well structured, modular and commented so it's easy for other people to customise
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* Templates should not contain text inside images and all images provided must be open source and not break any
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copyright or license laws. This includes any icons your template uses.
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* A theme does not include any PHP files. Only CSS, HTML, images and javascript.
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* Your theme contains a `composer.json` file specifying the theme name, author and license, and that it has `"type": "silverstripe-theme"`.
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Once you've created your module and set up your Composer configuration, create a new repository and push your theme to a Git host such as [GitHub.com](https://github.com).
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The final step is to [submit your theme to Packagist](https://packagist.org/about#how-to-submit-packages) (the central Composer package repository). Once your theme is listed in Packagist, and has `"type": "silverstripe-theme"` in its configuration, it will automatically be pulled into our addons listing site.
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## Links
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* [Themes Listing on silverstripe.org](http://addons.silverstripe.org/add-ons?search=&type=theme)
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* [Themes Forum on silverstripe.org](https://www.silverstripe.org/community/forums/themes-2/)
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* [Themes repositories on github.com](http://github.com/silverstripe-themes)
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