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link in custom.css if the user has it

This commit is contained in:
Gambhiro 2017-01-18 18:11:30 +00:00
parent 4fe0e8d2a4
commit ca718b3d78
4 changed files with 81 additions and 30 deletions
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1
data/_html-template/_layouts/page.hbs
View File

@ -15,6 +15,7 @@
<link rel="stylesheet" href="css/book.css">
<link rel="stylesheet" href="css/font-awesome.min.css">
{{#customcss}}{{/customcss}}
<script src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS-MML_HTMLorMML"></script>
<script src="js/jquery-2.1.4.min.js"></script>

84
src/renderer/html_handlebars/hbs_renderer.rs
View File

@ -136,29 +136,27 @@ impl Renderer for HtmlHandlebars {
let translation_indexes = book_project.translation_index_links();
// Render the chapters of each book
for (key, book) in &book_project.translations {
let first_path_that_exists = |paths: &Vec<PathBuf>| -> Option<PathBuf> {
for p in paths.iter() {
if p.exists() {
return Some(PathBuf::from(p));
}
}
None
};
{
// Look for the page template in these paths
let mut tmpl_paths: Vec<PathBuf> = vec![];
let mut search_paths: Vec<PathBuf> = vec![];
// default scheme: assets/_html-template/_layouts/page.hbs
tmpl_paths.push(book_project.get_template_dir().join("_layouts").join("page.hbs"));
search_paths.push(book_project.get_template_dir().join("_layouts").join("page.hbs"));
// maybe the user doesn't use _layouts folder: assets/_html-template/page.hbs
tmpl_paths.push(book_project.get_template_dir().join("page.hbs"));
search_paths.push(book_project.get_template_dir().join("page.hbs"));
// also look for index.hbs which was the template name in v0.0.15
tmpl_paths.push(book_project.get_template_dir().join("index.hbs"));
search_paths.push(book_project.get_template_dir().join("index.hbs"));
let first_path_that_exists = |paths: &Vec<PathBuf>| -> Option<PathBuf> {
for p in paths.iter() {
if p.exists() {
return Some(PathBuf::from(p));
}
}
None
};
let s = if let Some(p) = first_path_that_exists(&tmpl_paths) {
let s = if let Some(p) = first_path_that_exists(&search_paths) {
try!(utils::fs::file_to_string(&p))
} else {
try!(utils::fs::get_data_file("data/_html-template/_layouts/page.hbs"))
@ -167,14 +165,36 @@ impl Renderer for HtmlHandlebars {
// Register template
debug!("[*]: Register handlebars template");
try!(handlebars.register_template_string("page", s));
}
// Register helpers
debug!("[*]: Register handlebars helpers");
handlebars.register_helper("toc", Box::new(helpers::toc::RenderToc));
handlebars.register_helper("previous", Box::new(helpers::navigation::previous));
handlebars.register_helper("next", Box::new(helpers::navigation::next));
handlebars.register_helper("translation-links", Box::new(helpers::translations::TranslationLinksHelper));
handlebars.register_helper("translation-indexes", Box::new(helpers::translations::TranslationIndexesHelper));
// Register helpers
debug!("[*]: Register handlebars helpers");
handlebars.register_helper("toc", Box::new(helpers::toc::RenderToc));
handlebars.register_helper("previous", Box::new(helpers::navigation::previous));
handlebars.register_helper("next", Box::new(helpers::navigation::next));
handlebars.register_helper("translation-links", Box::new(helpers::translations::TranslationLinksHelper));
handlebars.register_helper("translation-indexes", Box::new(helpers::translations::TranslationIndexesHelper));
handlebars.register_helper("customcss", Box::new(helpers::customcss::CustomCssHelper));
let mut custom_css_path: Option<PathBuf> = None;
{
// See if the user has a custom.css
let mut search_paths: Vec<PathBuf> = vec![];
search_paths.push(book_project.get_project_root().join("assets").join("css").join("custom.css"));
search_paths.push(book_project.get_project_root().join("assets").join("stylesheets").join("custom.css"));
search_paths.push(book_project.get_project_root().join("assets").join("custom.css"));
if let Some(p) = first_path_that_exists(&search_paths) {
match p.strip_prefix(&book_project.get_project_root().join("assets")) {
Ok(x) => { custom_css_path = Some(PathBuf::from(x)); },
Err(_) => {},
}
}
}
// Render the chapters of each book
for (key, book) in &book_project.translations {
// Check if book's dest directory exists
@ -206,7 +226,7 @@ impl Renderer for HtmlHandlebars {
// almost the same as process_chapter(), but we have to
// manipulate path_to_root in data and rendered_path
let mut data = try!(make_data(&book, &chapter, &translation_indexes, &book_project.livereload_script));
let mut data = try!(make_data(&book, &chapter, &translation_indexes, &book_project.livereload_script, &custom_css_path));
data.remove("path_to_root");
data.insert("path_to_root".to_owned(), "".to_json());
@ -231,7 +251,7 @@ impl Renderer for HtmlHandlebars {
}
// Render a file for every entry in the book
try!(self.process_items(&book.toc, &book, &translation_indexes, &book_project.livereload_script, &handlebars));
try!(self.process_items(&book.toc, &book, &translation_indexes, &book_project.livereload_script, &custom_css_path, &handlebars));
// Write print.html
if let Some(content) = self.collect_print_content_markdown(&book.toc, &book) {
@ -241,7 +261,7 @@ impl Renderer for HtmlHandlebars {
chapter.set_dest_path(PathBuf::from("print.html"));
chapter.content = Some(content);
try!(self.process_chapter(&chapter, &book, &None, &None, &handlebars));
try!(self.process_chapter(&chapter, &book, &None, &None, &custom_css_path, &handlebars));
}
}
@ -256,6 +276,7 @@ impl HtmlHandlebars {
book: &Book,
translation_indexes: &Option<Vec<TranslationLink>>,
livereload_script: &Option<String>,
custom_css_path: &Option<PathBuf>,
handlebars: &Handlebars)
-> Result<(), Box<Error>> {
@ -265,11 +286,11 @@ impl HtmlHandlebars {
TocItem::Unnumbered(ref i) |
TocItem::Unlisted(ref i) => {
if let Some(_) = i.chapter.get_dest_path() {
try!(self.process_chapter(&i.chapter, book, translation_indexes, livereload_script, handlebars));
try!(self.process_chapter(&i.chapter, book, translation_indexes, livereload_script, custom_css_path, handlebars));
}
if let Some(ref subs) = i.sub_items {
try!(self.process_items(&subs, book, translation_indexes, livereload_script, handlebars));
try!(self.process_items(&subs, book, translation_indexes, livereload_script, custom_css_path, handlebars));
}
},
@ -316,10 +337,11 @@ impl HtmlHandlebars {
book: &Book,
translation_indexes: &Option<Vec<TranslationLink>>,
livereload_script: &Option<String>,
custom_css_path: &Option<PathBuf>,
handlebars: &Handlebars)
-> Result<(), Box<Error>> {
let data = try!(make_data(book, chapter, translation_indexes, livereload_script));
let data = try!(make_data(book, chapter, translation_indexes, livereload_script, custom_css_path));
// Render the handlebars template with the data
debug!("[*]: Render template");
@ -352,7 +374,8 @@ impl HtmlHandlebars {
fn make_data(book: &Book,
chapter: &Chapter,
translation_indexes: &Option<Vec<TranslationLink>>,
livereload_script: &Option<String>)
livereload_script: &Option<String>,
custom_css_path: &Option<PathBuf>)
-> Result<serde_json::Map<String, serde_json::Value>, Box<Error>> {
debug!("[fn]: make_data");
@ -365,6 +388,7 @@ fn make_data(book: &Book,
data.insert("page-title".to_owned(), format!("{} - {}", chapter.title, book.config.title).to_json());
data.insert("chapter-title".to_owned(), chapter.title.to_json());
data.insert("description".to_owned(), book.config.description.to_json());
data.insert("custom-css-path".to_owned(), custom_css_path.to_json());
if let Some(ref x) = *livereload_script {
data.insert("livereload".to_owned(), x.to_json());

25
src/renderer/html_handlebars/helpers/customcss.rs Normal file
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@ -0,0 +1,25 @@
use std::path::Path;
use std::collections::{VecDeque, BTreeMap};
use serde_json;
use handlebars::{Handlebars, HelperDef, RenderError, RenderContext, Helper, Context};
#[derive(Clone, Copy)]
pub struct CustomCssHelper;
impl HelperDef for CustomCssHelper {
fn call(&self, c: &Context, _h: &Helper, _: &Handlebars, rc: &mut RenderContext) -> Result<(), RenderError> {
let data = c.navigate(rc.get_path(), &VecDeque::new(), "custom-css-path");
if let Ok(custom_css_path) = serde_json::from_str::<String>(&data.to_string()) {
if custom_css_path.len() == 0 {
return Ok(());
}
let p = custom_css_path.replace("\"", "");
try!(rc.writer.write(format!("<link rel=\"stylesheet\" href=\"{}\">", p).as_bytes()));
}
Ok(())
}
}

1
src/renderer/html_handlebars/helpers/mod.rs
View File

@ -2,3 +2,4 @@ pub mod navigation;
pub mod toc;
pub mod playpen;
pub mod translations;
pub mod customcss;