Add helper to format theme name for theme changer

This commit is contained in:
Jason Liquorish 2018-10-13 14:44:10 +01:00
parent 0c31ab2953
commit d2565af000
4 changed files with 37 additions and 5 deletions

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@ -214,6 +214,7 @@ impl HtmlHandlebars {
); );
handlebars.register_helper("previous", Box::new(helpers::navigation::previous)); handlebars.register_helper("previous", Box::new(helpers::navigation::previous));
handlebars.register_helper("next", Box::new(helpers::navigation::next)); handlebars.register_helper("next", Box::new(helpers::navigation::next));
handlebars.register_helper("theme_option", Box::new(helpers::theme::theme_option));
} }
/// Copy across any additional CSS and JavaScript files which the book /// Copy across any additional CSS and JavaScript files which the book

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@ -1,2 +1,3 @@
pub mod navigation; pub mod navigation;
pub mod toc; pub mod toc;
pub mod theme;

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@ -0,0 +1,30 @@
use handlebars::{Context, Handlebars, Helper, Output, RenderContext, RenderError};
pub fn theme_option(
h: &Helper,
_r: &Handlebars,
ctx: &Context,
rc: &mut RenderContext,
out: &mut Output,
) -> Result<(), RenderError> {
trace!("theme_option (handlebars helper)");
let param = h
.param(0)
.and_then(|v| v.value().as_str())
.ok_or(RenderError::new(
"Param 0 with String type is required for theme_option helper.",
))?;
let theme_name = rc
.evaluate_absolute(ctx, "default_theme", true)?
.as_str()
.ok_or_else(|| RenderError::new("Type error for `default_theme`, string expected"))?;
out.write(param)?;
if param.to_lowercase() == theme_name.to_lowercase() {
out.write(" (default)")?;
}
Ok(())
}

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@ -97,11 +97,11 @@
<i class="fa fa-paint-brush"></i> <i class="fa fa-paint-brush"></i>
</button> </button>
<ul id="theme-list" class="theme-popup" aria-label="Themes" role="menu"> <ul id="theme-list" class="theme-popup" aria-label="Themes" role="menu">
<li role="none"><button role="menuitem" class="theme" id="light">Light</button></li> <li role="none"><button role="menuitem" class="theme" id="light">{{ theme_option "Light" }}</button></li>
<li role="none"><button role="menuitem" class="theme" id="rust">Rust</button></li> <li role="none"><button role="menuitem" class="theme" id="rust">{{ theme_option "Rust" }}</button></li>
<li role="none"><button role="menuitem" class="theme" id="coal">Coal</button></li> <li role="none"><button role="menuitem" class="theme" id="coal">{{ theme_option "Coal" }}</button></li>
<li role="none"><button role="menuitem" class="theme" id="navy">Navy</button></li> <li role="none"><button role="menuitem" class="theme" id="navy">{{ theme_option "Navy" }}</button></li>
<li role="none"><button role="menuitem" class="theme" id="ayu">Ayu</button></li> <li role="none"><button role="menuitem" class="theme" id="ayu">{{ theme_option "Ayu" }}</button></li>
</ul> </ul>
{{#if search_enabled}} {{#if search_enabled}}
<button id="search-toggle" class="icon-button" type="button" title="Search. (Shortkey: s)" aria-label="Toggle Searchbar" aria-expanded="false" aria-keyshortcuts="S" aria-controls="searchbar"> <button id="search-toggle" class="icon-button" type="button" title="Search. (Shortkey: s)" aria-label="Toggle Searchbar" aria-expanded="false" aria-keyshortcuts="S" aria-controls="searchbar">