3 files changed, 47 insertions, 15 deletions

diff --git a/src/MenuItem.mjs b/src/MenuItem.mjs
index a7724d3..d485032 100644
--- a/src/MenuItem.mjs
+++ b/src/MenuItem.mjs
@@ -1,12 +1,13 @@
 import { shiftByWindow } from './utils.mjs'
 
 class Item extends window.HTMLDivElement {
-  constructor ({ text, innerHTML, onclick, style }) {
+  constructor ({ text, innerHTML, onclick, style, className, onmouseover }) {
     super()
     this.innerHTML = innerHTML ?? text
     this.onclick = onclick
-    this.classList.add('menu-item')
     this.style.cssText = style
+    this.classList.add('menu-item')
+    className?.forEach(c => this.classList.add(c))
 
     this.onmouseover = () => {
       this.parentElement
@@ -28,7 +29,7 @@ class Folder extends window.HTMLDivElement {
       // Prepare submenu
       const submenu = document.createElement('div')
       submenu.className = 'sub-menu'
-      submenu.style.cssText = 'position: absolute; left: 105%; top: 0px;'
+      submenu.style.cssText = 'position: absolute; left: 105%; top: -20px;'
       this.items.forEach(item => submenu.appendChild(item))
       submenu.onmouseleave = () => submenu.remove()
 
@@ -62,19 +63,28 @@ export const pickBlockItem = ({ blocks, utils }) =>
   new Folder({
     innerHTML: '<span>Blocks<span><span class="info">(n/p)</span>',
     items: blocks.map(
-      (block, index) =>
-        new Item({
-          text:
-            `<strong style="display: inline-block; width: 2.5em;">(${index})</strong>` +
-            block
-              .querySelector('p')
-              ?.textContent.substring(0, 15)
-              .concat(' ...'),
-          onclick: () => {
-            block.classList.add('focus')
-            utils.scrollToBlock(block)
+      (block, index) => {
+        const focus = block.classList.contains('focus')
+        const preview = block.querySelector('p')
+          ?.textContent.substring(0, 15)
+          ?.concat(' ', '...  ') ?? ''
+        const item = new Item({
+          className: ['keep-menu', focus ? 'checked' : 'unchecked'],
+          innerHTML:
+            `<strong>(${index})</strong><span style='display: inline-block; margin-inline: 1.2em;'>${preview}</span>`,
+          onclick: (e) => {
+            block.classList.toggle('focus')
+
+            const focus = block.classList.contains('focus')
+            if (focus) utils.scrollToBlock(block)
+            const item = e.target.closest('.menu-item.keep-menu')
+            item.classList.add(focus ? 'checked' : 'unchecked')
+            item.classList.remove(focus ? 'unchecked' : 'checked')
           }
         })
+
+        return item
+      }
     )
   })
 
diff --git a/src/css/dumbymap.css b/src/css/dumbymap.css
index b3ff877..3d07d45 100644
--- a/src/css/dumbymap.css
+++ b/src/css/dumbymap.css
@@ -289,6 +289,18 @@ p a[href^='http']::after,
     display: inline-block;
     float: right;
   }
+
+  &.unchecked::before {
+    content: '\2610';
+    float: right;
+    margin-left: 0.5em;
+  }
+
+  &.checked::before {
+    content: '\2611';
+    float: right;
+    margin-left: 0.5em;
+  }
 }
 
 .sub-menu {
@@ -746,3 +758,5 @@ p a[href^='http']::after,
 .bold-options {
   font-weight: bold;
 }
+standard: Use JavaScript Standard Style (https://standardjs.com)
+standard:   <text>:1:6: Parsing error: Unexpected token { (null)
diff --git a/src/dumbymap.mjs b/src/dumbymap.mjs
index 7e04501..b909fe0 100644
--- a/src/dumbymap.mjs
+++ b/src/dumbymap.mjs
@@ -461,7 +461,12 @@ export const generateMaps = (container, { delay, mapCallback }) => {
   const menu = document.createElement('div')
   menu.className = 'menu'
   menu.style.display = 'none'
-  menu.onclick = () => (menu.style.display = 'none')
+  menu.onclick = (e) => {
+    const keepMenu = e.target.closest('.keep-menu') || e.target.classList.contains('.keep-menu')
+    if (keepMenu) return
+
+    menu.style.display = 'none'
+  }
   container.appendChild(menu)
 
   // Menu Items
@@ -505,6 +510,9 @@ export const generateMaps = (container, { delay, mapCallback }) => {
   // Remove menu when click outside
   const actionOutsideMenu = e => {
     if (menu.style.display === 'none') return
+    const keepMenu = e.target.closest('.keep-menu') || e.target.classList.contains('.keep-menu')
+    if (keepMenu) return
+
     const rect = menu.getBoundingClientRect()
     if (
       e.clientX < rect.left ||