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/**
* @brief jsonly.js contains the functions that are only called in js,
* not translated from server-side code.
*/
$('#transp').change( do_transpose );
var lastTransp = parseInt($('#transp').val());
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()
{
var transp = parseInt($('#transp').val());
var neww = transp;
$(".tabs").each(function(){
// Since we only store text that is displayed, transpose relative to
// previous transposition.
// Requires the class to be "tabs chordXX";
var old = parseInt($(this).attr('class').substring(10));
if ( isNaN(old) )
{
old = $(this).attr('class').substring(10);
neww = transpadd(old, transp - lastTransp);
}
$(this).text( zj_transpose2( $(this).text(), transp - lastTransp ) );
$(this).removeClass("chord"+old);
$(this).addClass("chord"+neww);
});
$(".but[data-key]").each(function(){
console.log($(this));
var oldKey = $(this).attr('data-key');
var newKey = transpadd(oldKey, transp - lastTransp);
if ( typeof newKey !== 'undefined' )
{
//$(this).removeClass('btn-'+oldKey);
//$(this).addClass('btn-'+newKey);
$(this).attr('data-key', newKey);
$(this).text( $(this).attr('data-words') + newKey );
}
var newhref = $(this).attr('href').match(/(.*?key=).+/)[1] + newKey;
$(this).attr('href', newhref);
})
lastTransp = transp;
}
$(".tabs").click(function(e) {
s = window.getSelection();
var range = s.getRangeAt(0);
var node = s.anchorNode;
while (range.toString().indexOf(' ') != 0 ) {
if (range.startOffset == 0)
break;
range.setStart(node, (range.startOffset - 1));
}
range.setStart(node, Math.max(0,range.startOffset));
while (range.toString().lastIndexOf(' ') != range.toString().length - 1
|| range.toString().length <= 1 )
{
range.setEnd(node, range.endOffset+1);
if ( range.endOffset == node.length)
break;
}
//range.setEnd(Math.min(range.endOffset+1,node.length);
var str = range.toString().trim();
if( str != "" )
show_tab(str);
});
function show_tab( chord )
{
var canvas = $("#guitarregion")[0];
var context = canvas.getContext('2d');
context.clearRect(0, 0, canvas.width, canvas.height);
var canvas = $("#ukuleleregion")[0];
var context = canvas.getContext('2d');
context.clearRect(0, 0, canvas.width, canvas.height);
getChordFrets(chord);
}
function getChordFrets(chord)
{
$("#messages").html("");
chord = chord.replace("(", "");
chord = chord.replace(")", "");
chord = chord.replace("sus", "s");
chord = chord.replace("s4", "s");
chord = chord.replace("s", "sus");
chord = chord.replace("7sus", "sus7");
chord = chord.replace("mj7", "maj7");
var chordd = chord;
chordd = chordd.replace("/A","/a");
chordd = chordd.replace("/B","/b");
chordd = chordd.replace("/C","/c");
chordd = chordd.replace("/D","/d");
chordd = chordd.replace("/E","/e");
chordd = chordd.replace("/F","/f");
chordd = chordd.replace("/G","/g");
chordd = chordd.replace("Db", "C#");
chordd = chordd.replace("Eb", "D#");
chordd = chordd.replace("Gb", "F#");
chordd = chordd.replace("Ab", "G#");
chordd = chordd.replace("Bb", "A#");
plotChord(chord,chordd,guitarObj)
plotChord(chord,chordd,ukeObj)
}
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 + "'. ");
// Try it without the base note.
if( chordd.replace(/\/.*/,"") != chordd)
{
plotChord( chord.replace(/\/.*/,""), chordd.replace(/\/.*/,""), 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 );
}
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