From 5538881c12e414d8beb9270f6a53cf0a55fa2550 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E3=82=B8=E3=83=A7=E3=82=B7=E3=83=A5?=
 <joshavanier@users.noreply.github.com>
Date: Fri, 19 Jul 2019 13:06:50 +0700
Subject: [PATCH] Implement tree list

---
 lib/templates/summary.js | 51 ++++++++++++++++++++++++++--------------
 1 file changed, 33 insertions(+), 18 deletions(-)

diff --git a/lib/templates/summary.js b/lib/templates/summary.js
index 48a57fa..925aee3 100644
--- a/lib/templates/summary.js
+++ b/lib/templates/summary.js
@@ -1,29 +1,44 @@
+function makeTree (db) {
+  let map = {};
+  let tree = {};
+  let node;
+
+  for (let item in db) {
+    map[item] = item;
+    db[item].CHILDREN = {};
+  }
+
+  for (let item in db) {
+    node = db[item];
+    if (node.FROM === undefined) {
+      tree[item] = node;
+    } else {
+      db[map[node.FROM.toUpperCase()]].CHILDREN[item] = node;
+    }
+  }
+
+  return tree;
+}
+
+function makeList (tree) {
+  let list = '';
+  for (let item in tree) {
+    list += `<li>${item}${makeList(tree[item].CHILDREN)}</li>`;
+  }
+  return `<ul>${list}</ul>`;
+}
+
 function summaryTemplate(db, target)
 {
   let html = "", sidebar = "", content = "";
-  let keys = Object.keys(db);
+  let tree = makeTree(db);
 
   sidebar += MakeSidebar(db, target);
 
   $try(() => content += `${new Runic(db[target].LONG, Curlic)}`);
 
-  let tree = new Array();
-  let list = "";
-  for(let i = 0; i < keys.length; i++)
-  {
-    let key = keys[i];
-    let value = db[key];
-    list += `<li><a href="#${String(key).to_url()}">${key.toLowerCase()}</a></li>`;
-
-    if(value.FROM == null)
-    {
-      tree[key.toLowerCase()] = new Array();
-    }
-    else
-    {
-    }
-  }
+  let list = makeList(tree);
 
   let summary = `<ul>${list}</ul>`;
   return html += sidebar + `<div id="presentation">${content + summary}</div>`;
-}
\ No newline at end of file
+}