From b5292689534c00918675223d1f36174bbf44406f Mon Sep 17 00:00:00 2001 From: Joris Date: Wed, 3 Jan 2024 00:01:38 +0100 Subject: Provide tonality and selector to change --- public/main.css | 16 +++++++- public/main.js | 65 ++++++++++++++++++++++++++++++++ songs/ben-e-king/stand-by-me.lisp | 5 ++- songs/graeme-allwright/petit-garcon.lisp | 9 +++-- songs/tri-yann/pelot-d-hennebont.lisp | 5 ++- src/main.lisp | 26 ++++++++++--- 6 files changed, 110 insertions(+), 16 deletions(-) create mode 100644 public/main.js diff --git a/public/main.css b/public/main.css index d5f941f..236ddc0 100644 --- a/public/main.css +++ b/public/main.css @@ -63,11 +63,17 @@ body { width: fit-content; } -.g-Chords { +.g-Chords__Tonality { + display: flex; + align-items: center; + gap: 0.5rem; +} + +.g-Chords__Table { border-collapse: collapse; } -.g-Chords td { +.g-Chords__Cell { width: 4rem; text-align: center; border-left: 1px solid black; @@ -75,6 +81,12 @@ body { padding: 0.5rem 0; } +.g-Chords__Chord:not(:last-child):after { + display: inline-block; + content: "/"; + margin: 0 0.5rem; +} + .g-Lyrics__Paragraph { display: flex; flex-direction: column; diff --git a/public/main.js b/public/main.js new file mode 100644 index 0000000..a5ede52 --- /dev/null +++ b/public/main.js @@ -0,0 +1,65 @@ +// Helpers + +function appendElement(parentElement, tag) { + element = document.createElement(tag) + parentElement.appendChild(element) + return element +} + +function appendText(parentElement, text) { + element = document.createTextNode(text) + parentElement.appendChild(element) + return element +} + +// Only suggest sharps for the moment +tonalities = ['C', 'C♯', 'D', 'D♯', 'E', 'F', 'F♯', 'G', 'G♯', 'A', 'A♯', 'B'] + +function getRoot(c) { + if (c.indexOf('♯') > -1 || c.indexOf('♭') > -1) { + return c.substring(0, 2) + } else { + return c[0] + } +} + +function getShift(t1, t2) { + return tonalities.indexOf(getRoot(t2)) - tonalities.indexOf(getRoot(t1)) +} + +function applyShift(t1, s) { + let root = getRoot(t1) + let mode = t1.substring(root.length) + root = tonalities[(tonalities.indexOf(root) + s + tonalities.length) % tonalities.length] + return `${root}${mode}` +} + + +const node = document.querySelector('[data-tonality]') +let tonality = node.dataset.tonality +mode = tonality[tonality.length - 1] == 'm' ? 'm' : '' + +label = appendElement(node, 'label') +label['className'] = 'g-Chords__Tonality' +label.onchange = (e) => { + const shift = getShift(tonality, e.target.value) + tonality = e.target.value + document.querySelectorAll('.g-Chords__Chord').forEach(chord => { + if (chord.innerText !== '%') { + chord.innerText = applyShift(chord.innerText, shift) + } + }) +} + +appendText(label, 'Tonalité :') + +select = appendElement(label, 'select') +select['name'] = 'tonality' +tonalities.forEach(t => { + option = appendElement(select, 'option') + option['value'] = t + if (tonality == `${t}${mode}`) { + option['selected'] = true + } + appendText(option, `${t}${mode}`) +}) diff --git a/songs/ben-e-king/stand-by-me.lisp b/songs/ben-e-king/stand-by-me.lisp index c3537a5..36eca86 100644 --- a/songs/ben-e-king/stand-by-me.lisp +++ b/songs/ben-e-king/stand-by-me.lisp @@ -1,11 +1,12 @@ (song (title "Stand by Me") (from "Ben E. King") + (tonality "G") (chords (all - (A % "F♯m" %) - (D E A %))) + (G % "Em" %) + (C D G %))) (lyrics (intro) diff --git a/songs/graeme-allwright/petit-garcon.lisp b/songs/graeme-allwright/petit-garcon.lisp index bd6e3bf..23a6ca6 100644 --- a/songs/graeme-allwright/petit-garcon.lisp +++ b/songs/graeme-allwright/petit-garcon.lisp @@ -1,15 +1,16 @@ (song (title "Petit Garçon") (from "Graeme Allwright") + (tonality C) (chords (verse - (G D C D7) - ("G / G7" "C / C-" "G / D7" G)) + (C G F G7) + ((C C7) (F F-) (C G7) C)) (chorus - (D7 % C G) - ("Em" "Em / A7" "A7 / D7" D7))) + (G7 % F C) + ("Am" ("Am" D7) (D7 G7) G7))) (lyrics (intro) diff --git a/songs/tri-yann/pelot-d-hennebont.lisp b/songs/tri-yann/pelot-d-hennebont.lisp index 08662fe..ac4eafa 100644 --- a/songs/tri-yann/pelot-d-hennebont.lisp +++ b/songs/tri-yann/pelot-d-hennebont.lisp @@ -1,14 +1,15 @@ (song (title "Pelot d’Hennebont") (from "Tri Yann") + (tonality "Em") (chords (intro ("Em" %)) (verse - ("Em / G" D "Em / G" D) - ("D / G" "D / G" "D / G" "D / G"))) + (("Em" G) D ("Em" G) D) + ((D "Em") (D "Em") (D "Em") (D "Em")))) (lyrics (intro) diff --git a/src/main.lisp b/src/main.lisp index 1afc4f9..f03bd1a 100644 --- a/src/main.lisp +++ b/src/main.lisp @@ -32,7 +32,7 @@ (defun page (title body) (format nil - "