From d03ae79765f70ddaea0563b7c3ddaad76d53996f Mon Sep 17 00:00:00 2001
From: Mathieu David <mathieudavid@mathieudavid.org>
Date: Sat, 5 Sep 2015 17:26:17 +0200
Subject: [PATCH] Added a page containing the whole book for printing purposes,
 closes #41 + cleaning root path

---
 src/renderer/html_handlebars/hbs_renderer.rs  | 26 ++++++++++++++++++-
 .../html_handlebars/helpers/navigation.rs     | 17 +++---------
 src/renderer/html_handlebars/helpers/toc.rs   |  4 ---
 src/theme/book.js                             | 12 +++++++++
 src/theme/index.hbs                           | 12 ++++++---
 5 files changed, 48 insertions(+), 23 deletions(-)

diff --git a/src/renderer/html_handlebars/hbs_renderer.rs b/src/renderer/html_handlebars/hbs_renderer.rs
index ffce05e1..80c03bf7 100644
--- a/src/renderer/html_handlebars/hbs_renderer.rs
+++ b/src/renderer/html_handlebars/hbs_renderer.rs
@@ -7,7 +7,7 @@ use renderer::Renderer;
 use book::MDBook;
 use {utils, theme};
 
-use std::path::PathBuf;
+use std::path::{Path, PathBuf};
 use std::fs::{self, File};
 use std::error::Error;
 use std::io::{self, Read, Write};
@@ -45,6 +45,9 @@ impl Renderer for HtmlHandlebars {
 
         let mut data = try!(make_data(book));
 
+        // Print version
+        let mut print_content: String = String::new();
+
         // Check if dest directory exists
         debug!("[*]: Check if destination directory exists");
         match utils::create_path(book.get_dest()) {
@@ -69,6 +72,7 @@ impl Renderer for HtmlHandlebars {
 
                 // Render markdown using the pulldown-cmark crate
                 content = render_html(&content);
+                print_content.push_str(&content);
 
                 // Remove content from previous file and render content for this one
                 data.remove("path");
@@ -114,6 +118,26 @@ impl Renderer for HtmlHandlebars {
             }
         }
 
+        // Print version
+
+        // Remove content from previous file and render content for this one
+        data.remove("path");
+        data.insert("path".to_string(), "print.md".to_json());
+
+        // Remove content from previous file and render content for this one
+        data.remove("content");
+        data.insert("content".to_string(), print_content.to_json());
+
+        // Remove path to root from previous file and render content for this one
+        data.remove("path_to_root");
+        data.insert("path_to_root".to_string(), utils::path_to_root(Path::new("print.md")).to_json());
+
+        // Rendere the handlebars template with the data
+        debug!("[*]: Render template");
+        let rendered = try!(handlebars.render("index", &data));
+        let mut file = try!(utils::create_file(&book.get_dest().join("print").with_extension("html")));
+        try!(file.write_all(&rendered.into_bytes()));
+
         // Copy static files (js, css, images, ...)
 
         debug!("[*] Copy static files");
diff --git a/src/renderer/html_handlebars/helpers/navigation.rs b/src/renderer/html_handlebars/helpers/navigation.rs
index 56c6c5a9..2c2c36b3 100644
--- a/src/renderer/html_handlebars/helpers/navigation.rs
+++ b/src/renderer/html_handlebars/helpers/navigation.rs
@@ -1,7 +1,7 @@
 extern crate handlebars;
 extern crate rustc_serialize;
 
-use std::path::{PathBuf, Path};
+use std::path::Path;
 use std::collections::BTreeMap;
 
 use self::rustc_serialize::json::{self, ToJson};
@@ -22,11 +22,6 @@ pub fn previous(c: &Context, _h: &Helper, r: &Handlebars, rc: &mut RenderContext
         .to_string()
         .replace("\"", "");
 
-    let path_to_root = PathBuf::from(
-        c.navigate(rc.get_path(), "path_to_root")
-            .to_string()
-            .replace("\"", "")
-    );
 
     debug!("[*]: Decode chapters from JSON");
     // Decode json format
@@ -68,7 +63,7 @@ pub fn previous(c: &Context, _h: &Helper, r: &Handlebars, rc: &mut RenderContext
 
                         match previous.get("path") {
                             Some(p) => {
-                                let path = path_to_root.join(Path::new(p).with_extension("html"));
+                                let path = Path::new(p).with_extension("html");
                                 debug!("[*]: Inserting link: {:?}", path);
 
                                 match path.to_str() {
@@ -125,12 +120,6 @@ pub fn next(c: &Context, _h: &Helper, r: &Handlebars, rc: &mut RenderContext) ->
         .to_string()
         .replace("\"", "");
 
-    let path_to_root = PathBuf::from(
-        c.navigate(rc.get_path(), "path_to_root")
-            .to_string()
-            .replace("\"", "")
-    );
-
     debug!("[*]: Decode chapters from JSON");
     // Decode json format
     let decoded: Vec<BTreeMap<String, String>> = match json::decode(&chapters.to_string()) {
@@ -170,7 +159,7 @@ pub fn next(c: &Context, _h: &Helper, r: &Handlebars, rc: &mut RenderContext) ->
                         }
 
 
-                        let link = path_to_root.join(Path::new(path).with_extension("html"));
+                        let link = Path::new(path).with_extension("html");
                         debug!("[*]: Inserting link: {:?}", link);
 
                         match link.to_str() {
diff --git a/src/renderer/html_handlebars/helpers/toc.rs b/src/renderer/html_handlebars/helpers/toc.rs
index e2d9ba24..a2c3d46d 100644
--- a/src/renderer/html_handlebars/helpers/toc.rs
+++ b/src/renderer/html_handlebars/helpers/toc.rs
@@ -19,7 +19,6 @@ impl HelperDef for RenderToc {
     // param is the key of value you want to display
     let chapters = c.navigate(rc.get_path(), "chapters");
     let current = c.navigate(rc.get_path(), "path").to_string().replace("\"", "");
-    let path_to_root = c.navigate(rc.get_path(), "path_to_root").to_string().replace("\"", "");
     try!(rc.writer.write("<ul class=\"chapter\">".as_bytes()));
 
     // Decode json format
@@ -51,9 +50,6 @@ impl HelperDef for RenderToc {
             if path.len() > 0 {
                 try!(rc.writer.write("<a href=\"".as_bytes()));
 
-                // Prefix with path to root
-                try!(rc.writer.write(path_to_root.as_bytes()));
-
                 // Add link
                 try!(rc.writer.write(
                     Path::new(
diff --git a/src/theme/book.js b/src/theme/book.js
index 00610310..8a78d364 100644
--- a/src/theme/book.js
+++ b/src/theme/book.js
@@ -1,5 +1,8 @@
 $( document ).ready(function() {
 
+    // url
+    var url = window.location.pathname;
+
     // Syntax highlighting Configuration
     hljs.configure({
         tabReplace: '    ', // 4 spaces
@@ -25,4 +28,13 @@ $( document ).ready(function() {
         }
     });
 
+    // Print button
+    $("#print-button").click(function(){
+        var printWindow = window.open("print.html");
+    });
+
+    if( url.substring(url.lastIndexOf('/')+1) == "print.html" ) {
+        window.print();
+    }
+
 });
diff --git a/src/theme/index.hbs b/src/theme/index.hbs
index 23cc6ce3..60d375ad 100644
--- a/src/theme/index.hbs
+++ b/src/theme/index.hbs
@@ -7,10 +7,14 @@
         <meta name="description" content="{% block description %}{% endblock %}">
         <meta name="viewport" content="width=device-width, initial-scale=1">
 
-        <link rel="stylesheet" href="{{ path_to_root }}book.css">
+        <base href="{{ path_to_root }}">
+
+        <link rel="stylesheet" href="book.css">
         <link href='http://fonts.googleapis.com/css?family=Open+Sans:300italic,400italic,600italic,700italic,800italic,400,300,600,700,800' rel='stylesheet' type='text/css'>
         <link rel="stylesheet" href="http://maxcdn.bootstrapcdn.com/font-awesome/4.3.0/css/font-awesome.min.css">
-        <link rel="stylesheet" href="{{ path_to_root }}highlight.css">
+        <link rel="stylesheet" href="highlight.css">
+
+
     </head>
     <body>
 
@@ -67,7 +71,7 @@
         </div>
 
         <script src="http://code.jquery.com/jquery-2.1.4.min.js"></script>
-        <script src="{{ path_to_root }}highlight.js"></script>
-        <script src="{{ path_to_root }}book.js"></script>
+        <script src="highlight.js"></script>
+        <script src="book.js"></script>
     </body>
 </html>