248 lines
7.6 KiB
Markdown
248 lines
7.6 KiB
Markdown
@def hascode = true
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<!--
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reviewed: 22/12/19
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-->
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# Templates
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\blurb{Start from one of the template or build your own.}
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\lineskip
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\toc
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\lineskip
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The pre-defined templates that are currently available in Franklin with the `newsite` function can be viewed ~~~<a href="https://tlienart.github.io/FranklinTemplates.jl/" target="_blank" rel="noopener noreferrer">here</a>~~~ (_opens in a new tab_).
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## Adapting a theme to Franklin
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\note{If you end up doing this, please consider making a PR to [FranklinTemplates](https://github.com/tlienart/FranklinTemplates.jl)!}
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On this page, I'll take [Jemdoc's website layout](http://jemdoc.jaboc.net/) and show how it can be adapted to be a working Franklin template.
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This will hopefully also show you how to adapt / modify an existing template.
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Jemdoc's layout looks like this:
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### Getting started
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In order to get a blueprint for the folder etc, let's first create a Franklin site with the `basic` template:
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```julia-repl
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julia> newsite("jemdoc", template="basic")
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```
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You can serve the site in order to see the modifications directly in your browser which can be useful to fine tune the port of the layout.
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We will need to provide the appropriate stylesheet in `_css/` and adjust the layout part in `_layout/`.
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### Adapting the head and foot
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The file `_html_parts/head.html` is the most important one you will have to adjust.
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Let us first change the name of the main stylesheet `_css/basic.css` to `_css/jemdoc.css` which is more appropriate.
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The reference to the stylesheet in `head.html` consequently has to be changed to mention `jemdoc.css` instead of `basic.css`:
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```html
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<link rel="stylesheet" href="/css/jemdoc.css">
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```
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The following step is fairly simple:
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@@tlist
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1. look at the original html code,
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2. copy whatever is relevant that comes before the content into `head.html`.
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@@
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Let's do this gradually.
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The top of the original HTML can be ignored at this point so we can start modifying starting after `</head>`.
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Jemdoc's body starts with a Google analytics script which I'll ignore as well.
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We then have effectively one big table element.
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Stripped from its content and simplified it looks like:
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```html
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<table id="tlayout">
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<tr valign="top">
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<td id="layout-menu">
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<div class="menu-category">jemdoc</div>
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<div class="menu-item"><a href="/" class="current">home</a></div>
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<div class="menu-category">topics</div>
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<div class="menu-item"><a href="/menu1/">Menu 1</a></div>
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<div class="menu-item"><a href="/menu2/">Menu 2</a></div>
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<div class="menu-item"><a href="/menu3/">Menu 3</a></div>
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</td>
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<td id="layout-content">
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<p> CONTENT HERE </p>
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<div id="footer">
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<div id="footer-text">
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Page generated by <a href="http://jemdoc.jaboc.net/">jemdoc</a>.
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</div>
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</div>
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</td>
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</tr>
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</table>
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```
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Note that I've already filled in the `href=` in the links to sub-menus.
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The "`CONTENT HERE`" part is where what Franklin generates from Markdown will go.
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Therefore, anything that is *after* that should go in `foot.html`; in our current case:
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```html
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<!-- ... -->
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<div id="footer">
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<div id="footer-text">
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Page generated by <a href="http://jemdoc.jaboc.net/">jemdoc</a>.
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</div>
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</div>
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</td>
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</tr>
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</table>
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```
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That's basically it (though we still have to modify the stylesheet of course).
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The `head.html` should be adapted to:
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```html
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<!doctype html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1">
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{{if hasmath}} {{insert head_katex.html }} {{end}}
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{{if hascode}} {{insert head_highlight.html }} {{end}}
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<link rel="stylesheet" href="/css/franklin.css">
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<link rel="stylesheet" href="/css/jemdoc.css">
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<link rel="icon" href="/assets/infra/favicon.png">
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{{isdef title}} <title>{{fill title}}</title> {{end}}
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</head>
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<body>
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<table id="tlayout">
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<tr valign="top">
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<td id="layout-menu">
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<div class="menu-category">jemdoc</div>
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<div class="menu-item"><a href="index.html" class="current">home</a></div>
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<div class="menu-category">topics</div>
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<div class="menu-item"><a href="/menu1/">Menu 1</a></div>
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<div class="menu-item"><a href="/menu2/">Menu 2</a></div>
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<div class="menu-item"><a href="/menu3/">Menu 3</a></div>
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</td>
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<td id="layout-content">
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<!-- Content appended here -->
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```
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and the `foot.html` should be adapted to:
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```html
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<!-- CONTENT ENDS HERE -->
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</td>
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</tr>
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</table>
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{{ if hasmath }}
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{{ insert foot_katex.html }}
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{{ end }}
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{{ if hascode }}
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{{ insert foot_highlight.html }}
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{{ end }}
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</body>
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</html>
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```
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### Adapting the stylesheet
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By now the page looks pretty bad:
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the content is not centred in its box and overflows on the right, the menu looks ridiculous, time to do some CSS styling!
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Let's start by removing everything from `_css/jemdoc.css`.
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Most of what's in there was used for the styling of the top navbar which we don't have anymore (note that the styling of the content itself is in `franklin.css`, don't change that for now; note also that `jemdoc.css` is loaded *after* `franklin.css` so that you can overwrite the styles there).
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Let's now just copy paste the content of the [two](http://jemdoc.jaboc.net/jemdoc.css) [original](http://jemdoc.jaboc.net/jacob.css) stylesheets into ours and hope for the best, we may have some fine-tuning to do after this.
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Doing nothing else than copy pasting already helps a lot:
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A few things should be fixed:
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@@tlist
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1. there's too little space at the top
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1. the menu is a bit too narrow and there's a bit too much space between the menu and the content
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1. there's not enough space after `<pre>` blocks
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@@
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#### Fixing spacing
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Firefox or Chrome/ium's excellent dev-tools are super helpful to fine tune stylesheets.
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Here things are pretty straightforward though.
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First, we need to add vertical padding above `<h1>` level title:
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```css
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h1 { padding-top: 2em; }
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```
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Then, let's widen the menu a little
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```css
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td#layout-menu {
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padding-left: 15px;
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padding-right: 25px;
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}
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```
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and let's reduce the padding on the left of the `franklin-content` element:
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```css
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.franklin-content { padding-left: 5%; }
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```
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Finally, in the original stylesheet there is this element:
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```css
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pre {
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padding: 0;
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margin: 0;
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}
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```
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which you can just remove to have a bit more space around code blocks.
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There's probably still things that could be done to improve the layout overall (and make it more responsive!) but we'll leave it at that.
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### Adjusting other files
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Here we don't need to adjust anything else but, in general, you might want to adjust the other pages:
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@@tlist
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* `head_highlight`, `head_katex`, `foot_highlight` and `foot_katex` are probably best left as they are, they will be appended if need be to pages (see in `head` and `foot` the `{{if hasmath}}` and `{{if hascode}}` blocks)
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* `page_foot` you may want to change, it defines what goes at the bottom of the `.franklin-content` div.
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@@
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By default `page_foot` looks like
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```html
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<div class="page-foot">
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<div class="copyright">
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© {{ fill author }}. Last modified: {{ fill fd_mtime }}. Website built with <a href="https://github.com/tlienart/Franklin.jl">Franklin.jl</a>.
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</div>
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</div>
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```
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It should be fairly straightforward to adapt that to your needs.
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## Making a PR to the theme repo
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Let's say you've built your own template and are pretty happy with the result and you'd like to share it for other users, great, thanks!
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Please follow [these instructions](https://github.com/tlienart/FranklinTemplates.jl#fixingadding-a-template).
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