2nd iteration of the theming docs
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Tobias Diekershoff
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To change the look of friendica you have to touch the themes.
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The current default theme is [duepunto zero](https://github.com/friendica/friendica/tree/master/view/theme/duepuntozero) but there are numerous others.
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Have a look at [friendica-themes.com](http://friendica-themes.com) for an overview of the existing themes.
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There are several ways to change a theme.
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In case none of them suits your needs, there are several ways to change a theme.
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You can either directly work on an existing theme.
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But you might loose your changes when the theme is updated by the friendica team.
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In cases where you are almost happy with an existing theme, the easiest way to cover your needs is to create a new theme, inheritating most of the properties of the parent theme and change just minor stuff.
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If you are almost happy with an existing theme, the easiest way to cover your needs is to create a new theme, inheritating most of the properties of the parent theme and change just minor stuff.
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The beloow for a more detailed description of theme heritage.
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Some themes also allow users to select *variants* of the theme.
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Those theme variants most often contain an additional [CSS](https://en.wikipedia.org/wiki/CSS) file to override some styling of the default theme values.
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From the themes in the main repository *duepunto zero* and *vier* are using this methods for variations.
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Quattro is using a slightly different approach.
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Third you can start your theme from scratch.
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Which is the most complex way to change friendicas look.
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But it leaves you the most freedom.
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So below for a detailed description and the meaning of some special files.
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So below for a *detailed* description and the meaning of some special files.
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## Styling
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### Styling
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If you want to change the styling of a theme, have a look at the themes CSS file.
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In most cases, you can found these in
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/view/theme/<your-theme-name>/style.css
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/view/theme/**your-theme-name**/style.css
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sometimes, there is also a file called style.php in the theme directory.
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This is only needed if the theme allowes the user to change certain things of the theme dynamically.
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Say the font size or set a background image.
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### Templates
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If you want to change the structure of the theme, you need to change the templates used by the theme.
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Friendica themes are using [SMARTY3](http://www.smarty.net/) for templating.
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The default template can be found in
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@ -39,20 +44,29 @@ The default template can be found in
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if you want to override any template within your theme create your version of the template in
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/view/theme/<your-theme-name>/templates
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/view/theme/**your-theme-name**/templates
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any template that exists there will be used instead of the default one.
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### Javascript
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The same rule applies to the JavaScript files found in
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/js
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they will be overwritten by files in
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/view/theme/<your-theme-name>/js.
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/view/theme/**your-theme-name**/js.
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## Expand an existing Theme
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### A new Variation for duepuntozero
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### Theme Variations
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Many themes are more *theme families* then only one theme.
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*duepunto zero* and *vier* allow easily to add new theme variation.
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We will go through the process of creating a new variation for *duepunto zero*.
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The same (well almost, some names change) procedure applies to the *vier* theme.
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And similar steps are needed for *quattro* but this theme is using [lessc](http://lesscss.org/#docs) to maintaine the CSS files..
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In
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@ -65,18 +79,19 @@ Darkzero and Easter Bunny for example.
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The selection of the colorset is done in a combination of a template for a new form in the settings and aome functions in the theme.php file.
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The template (theme_settings.tpl)
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<script src="{{$baseurl}}/view/theme/quattro/jquery.tools.min.js"></script>
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{{include file="field_select.tpl" field=$colorset}}
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{{include file="field_select.tpl" field=$colorset}}
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<div class="settings-submit-wrapper">
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<input type="submit" value="{{$submit}}" class="settings-submit" name="duepuntozero-settings-submit" />
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</div>
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defines a formular consisting of a [select](https://developer.mozilla.org/en-US/docs/Web/HTML/Element/select) pull-down which contains all aviable variants and s submit button.
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See the documentation about [SMARTY3 templates](/help/snarty3-templates.md) for a summary of friendica specific blocks other then the select element.
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But we don't really need to change anything at the template itself.
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The template alone wont work.
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The template alone wont work though.
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You make friendica aware of its existance and tell it how to use the template file, by defining a config.php file.
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It needs to define at lest the following functions
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* theme_content
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* theme_post
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@ -88,10 +103,10 @@ and may also define functions for the admin interface
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theme_content and theme_admin are used to make the form available in the settings, repectively the admin panel.
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The _post functions handle the processing of the send form, in this case they save to selected variand in friendicas database.
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To make your own variation all you need to do is to create a new CSS file in the deriv directoy and include it in the array in the config.php:
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To make your own variation appear in the menu, all you need to do is to create a new CSS file in the deriv directoy and include it in the array in the config.php:
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$colorset = array(
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'default'=>t('default'),
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'default'=>t('default'),
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'greenzero'=>t('greenzero'),
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'purplezero'=>t('purplezero'),
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'easterbunny'=>t('easterbunny'),
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@ -101,6 +116,7 @@ To make your own variation all you need to do is to create a new CSS file in the
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);
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the 1st part of the line is the name of the CSS file (without the .css) the 2nd part is the common name of the variant.
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Calling the t() function with the common name makes the string translateable.
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The selected 1st part will be saved in the database by the theme_post function.
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function theme_post(&$a){
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@ -114,8 +130,8 @@ The selected 1st part will be saved in the database by the theme_post function.
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}
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}
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Now that this information is set in the databes, what should friendica do with it?
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For this, have a look at the theme.php file of the theme.
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Now that this information is set in the database, what should friendica do with it?
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For this, have a look at the theme.php file of the *duepunto zero*.
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There you'll find somethink alike
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$colorset = get_pconfig( local_user(), 'duepuntozero','colorset');
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@ -127,13 +143,15 @@ There you'll find somethink alike
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/* some more variants */
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}
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so you'll just need to add a if selection, fitting your variant keyword and link to the CSS file of it.
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which tells friendica to get the personal config of a user.
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Check if it is set and if not look for the global config.
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And finally if a config for the colorset was found, apply it by adding a link to the CSS file into the HTML header of the page.
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So you'll just need to add a if selection, fitting your variant keyword and link to the CSS file of it.
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Done.
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Now you can use the variant on your system.
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But remember once the theme.php or the config.php you have to readd your variant to them.
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*More or less the same procedure works for the vier theme.*
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If you think your color variation could be benifical for other friendica users as well, feel free to generate a pull request at github so we can include your work into the repository.
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### Inheritation
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@ -168,12 +186,13 @@ So the central part of the file now looks like this:
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</body>
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Finally we need a style.css file, inheriting the definitions from the parent theme and containing out changes for the new theme.
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***Note***:You need to create the style.css and at lest import the base CSS file from the parent theme.
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@import url('../duepuntozero/style.css');
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Done.
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But I agree it is not really useful at this state.
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Nevertheless, to use it, you just neet to activate in the admin panel.
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Nevertheless, to use it, you just need to activate in the admin panel.
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That done, you can select it in the settings like any other activated theme.
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## Creating a Theme from Scratch
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@ -183,6 +202,8 @@ Basically what you have to do is identifying which template you have to change s
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Adopt the CSS of the theme accordingly.
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And iterate the process until you have the theme the way you want it.
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*Use the source Luke.*
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## Special Files
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### unsupported
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@ -264,3 +285,4 @@ The default file is in
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/view/default.php
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if you want to change it, say adding a 4th column for banners of your favourite FLOSS projects, place a new default.php file in your theme directory.
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As with the theme.php file, you can use the properties of the $a variable with holds the friendica application to decide what content is displayed.
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