From 08e522880b112d5645deaf663b2e4ba14be3826f Mon Sep 17 00:00:00 2001 From: Zach DeCook Date: Wed, 26 Dec 2018 21:29:38 -0500 Subject: * Front-end: Add javascript --- page.js | 112 ---------------------------------------------------------------- 1 file changed, 112 deletions(-) delete mode 100644 page.js (limited to 'page.js') diff --git a/page.js b/page.js deleted file mode 100644 index b7a89f7..0000000 --- a/page.js +++ /dev/null @@ -1,112 +0,0 @@ -/** - * @brief page.js tries to improve pageload speeds - * by processing client-side. - * @author Zach DeCook (zjd7calvin) - * @date 12, February 2017 - * requires jQuery - */ - -/** - * @brief zj_transpose2 transposes a line - */ -function zj_transpose2( line, transp ) -{ - var newchords = zj_transparray( transp ); - var newline = ''; - var space = 0; ///@< Spaces that need to be added or removed. - for(var i = 0; i < line.length; i++) - { - var chari = line[i]; - var nchar = line[i+1]; - var upchar = line[i].toUpperCase(); - var cval = upchar.charCodeAt(0); - // A-G - if( cval <= 71 && cval >=65 ) - { - // Exception for Cmaj7 - if( upchar == 'A' && nchar == 'j' ) - { - newline += chari; - } - else if( nchar == 'b' || nchar =='#') - { - i++; //We have read an extra character now. - var newchord = newchords[upchar + nchar]; - if( newchord.length == 1 ) - { - // Need to insert an extra space. - space += 1; - } - newline += newchord; - } - else - { - var newchord = newchords[upchar]; - if( newchord.length == 2 ) - { - // Need to remove an extra space. - space -= 1; - } - newline += newchord; - } - } - else if ( chari == ' ' ) - { - if( space >= 0) - { - for (var j = 0; j <= space; j++) - { - newline += ' '; - } - space = 0; - } - else - { - // Only balance negative spaces if one will be left remaining - if( nchar == ' ' ) - { - i++; - space += 1; - } - newline += ' '; - } - } - else - { - newline += chari; - } - } - return newline; -} - -function zj_transparray( transp ) -{ - var chords = - ["C","C#","D","D#","E","F","F#","G","G#","A","Bb","B" ]; - var newchords = []; - // Create array to map old chords to new ones - for (var i=0; i < 12; i++) - { - newchords[chords[i]] = chords[(i+transp+12)%12]; - } - newchords["Db"] = newchords["C#"]; - newchords["Eb"] = newchords["D#"]; - newchords["Gb"] = newchords["F#"]; - newchords["Ab"] = newchords["G#"]; - newchords["A#"] = newchords["Bb"]; - return newchords; -} - -function transpadd( fromkey, integer ) -{ - var chords = {C:0, Db:1, D:2, Eb:3, E:4, F:5, Gb:6, G:7, Ab:8, A:9, Bb:10, B:11}; - chords["C#"] = chords["Db"]; - chords["D#"] = chords["Eb"]; - chords["F#"] = chords["Gb"]; - chords["G#"] = chords["Ab"]; - chords["A#"] = chords["Bb"]; - var ochords = [ "C","Db","D","Eb","E","F","Gb","G","Ab","A","Bb","B" ]; - - var val = ochords[(parseInt(chords[fromkey]) + integer + 24)%12]; - return val; -} -- cgit 1.4.1