Zach's git repos / prosongsa
Backend for songs.zachdecook.com
Diffstat (limited to 'jsonly.js')
-rw-r--r--jsonly.js19
1 files changed, 19 insertions, 0 deletions
diff --git a/jsonly.js b/jsonly.js
index 4d68c42..ae1ceb1 100644
--- a/jsonly.js
+++ b/jsonly.js
@@ -10,11 +10,17 @@ var guitarObj = {
name: 'guitar',
dict: chordsDict,
region: 'guitarregion',
+ chord: '',
+ chordd: '',
+ number: 0,
}
var ukeObj = {
name: 'ukulele',
dict: ukulelechordsDict,
region: 'ukuleleregion',
+ chord: '',
+ chordd: '',
+ number: 0,
}
function do_transpose()
@@ -122,6 +128,9 @@ function plotChord(chord, chordd, obj){
try{
tab = obj.dict[chordd][0];
ChordCharter.drawChord( obj.region, 30, 25, chord, tab );
+ obj.chord = chord;
+ obj.chordd = chordd;
+ obj.number = 0;
}
catch(target){
$("#messages").prepend("No "+obj.name+" tab for '" + chord + "'. ");
@@ -134,3 +143,13 @@ function plotChord(chord, chordd, obj){
}
}
+
+function cycle(obj){
+ var canvas = $("#"+obj.region)[0];
+ var context = canvas.getContext('2d');
+ context.clearRect(0, 0, canvas.width, canvas.height);
+
+ obj.number = (obj.number + 1) % obj.dict[obj.chordd].length
+ tab = obj.dict[obj.chordd][obj.number]
+ ChordCharter.drawChord( obj.region, 30, 25, obj.chord +"("+obj.number + ")", tab );
+}