append history when ‘+’ button clicked

1 files changed, 17 insertions, 7 deletions

diff --git a/fretboard.mjs b/fretboard.mjs
index d862952..ef9e0b5 100644
--- a/fretboard.mjs
+++ b/fretboard.mjs
@@ -103,28 +103,38 @@ export default class extends HTMLElement {
 
         // TODO: don't trawl the dom, custom element means we know
         // what's inside.
-        const form = this.querySelector('form');
-        form.onchange = handleFormChanged;
-        form.querySelectorAll('.open').forEach(elt => {
+        this.form = this.querySelector('form');
+        this.form.onchange = handleFormChanged;
+        this.form.querySelectorAll('.open').forEach(elt => {
             elt.onclick = openClick;
         });
-        form.querySelectorAll('input[type="radio"]').forEach(elt => {
+        this.form.querySelectorAll('input[type="radio"]').forEach(elt => {
             elt.onmousedown = fretMousedown;
             elt.onclick = fretClick;
         });
 
-        form.querySelectorAll('.save').forEach(elt => {
+        this.form.querySelectorAll('.save').forEach(elt => {
             elt.onclick = (e) => {
                 console.log('Fretboard#onSave');
                 e.preventDefault();
                 const event = new CustomEvent(this.saveEvent, {
                     bubbles: true,
                     cancelable: true,
-                    detail: new FormData(form)
+                    detail: this
                 });
                 this.dispatchEvent(event);
             };
         })
-        formChanged(form);
+        formChanged(this.form);
+    }
+
+    get notes() {
+        console.debug('Fretboard#notes', this);
+        const formData = new FormData(this.form);
+        return Array.from(this.form.querySelectorAll('tbody .selected')).map(elt => {
+            const string = Array.from(elt.parentNode.classList).filter(x => x.startsWith('string'))[0];
+            const val = formData.get(string);
+            return fretToNote(this.form, string, val);
+        })
     }
 }