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Add 'active' class to current page in rustbook table of contents

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This commit is contained in:
Sean Collins 2015-05-17 17:05:23 -04:00
parent 8b7c17db22
commit 99868f6ba8
2 changed files with 21 additions and 9 deletions
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25
src/rustbook/build.rs
View File

@ -37,27 +37,34 @@ pub fn parse_cmd(name: &str) -> Option<Box<Subcommand>> {
}
}
fn write_toc(book: &Book, path_to_root: &Path, out: &mut Write) -> io::Result<()> {
fn write_toc(book: &Book, current_page: &BookItem, out: &mut Write) -> io::Result<()> {
fn walk_items(items: &[BookItem],
section: &str,
path_to_root: &Path,
current_page: &BookItem,
out: &mut Write) -> io::Result<()> {
for (i, item) in items.iter().enumerate() {
try!(walk_item(item, &format!("{}{}.", section, i + 1)[..], path_to_root, out));
try!(walk_item(item, &format!("{}{}.", section, i + 1)[..], current_page, out));
}
Ok(())
}
fn walk_item(item: &BookItem,
section: &str,
path_to_root: &Path,
current_page: &BookItem,
out: &mut Write) -> io::Result<()> {
try!(writeln!(out, "<li><a href='{}'><b>{}</b> {}</a>",
path_to_root.join(&item.path.with_extension("html")).display(),
let class_string = if item.path == current_page.path {
"class='active'"
} else {
""
};
try!(writeln!(out, "<li><a {} href='{}'><b>{}</b> {}</a>",
class_string,
item.path_to_root.join(&item.path.with_extension("html")).display(),
section,
item.title));
if !item.children.is_empty() {
try!(writeln!(out, "<ul class='section'>"));
let _ = walk_items(&item.children[..], section, path_to_root, out);
let _ = walk_items(&item.children[..], section, current_page, out);
try!(writeln!(out, "</ul>"));
}
try!(writeln!(out, "</li>"));
@ -67,7 +74,7 @@ fn write_toc(book: &Book, path_to_root: &Path, out: &mut Write) -> io::Result<()
try!(writeln!(out, "<div id='toc' class='mobile-hidden'>"));
try!(writeln!(out, "<ul class='chapter'>"));
try!(walk_items(&book.chapters[..], "", path_to_root, out));
try!(walk_items(&book.chapters[..], "", &current_page, out));
try!(writeln!(out, "</ul>"));
try!(writeln!(out, "</div>"));
@ -115,7 +122,7 @@ fn render(book: &Book, tgt: &Path) -> CliResult<()> {
<span class="bar"></span>
</button>
</div>"#));
let _ = write_toc(book, &item.path_to_root, &mut toc);
let _ = write_toc(book, &item, &mut toc);
try!(writeln!(&mut toc, "<div id='page-wrapper'>"));
try!(writeln!(&mut toc, "<div id='page'>"));
}

5
src/rustbook/css.rs
View File

@ -97,6 +97,11 @@ body {
color: #000000;
}
.chapter li a.active {
text-decoration: underline;
font-weight: bold;
}
#toggle-nav {
height: 20px;
width: 30px;