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samples.html
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<html>
<head>
<meta http-equiv="X-UA-Compatible" content="IE=9; IE=8; IE=7; IE=EDGE" />
<title>ChordialJS</title>
<link href="http://netdna.bootstrapcdn.com/bootswatch/2.3.2/cerulean/bootstrap.min.css" rel="stylesheet">
<style type="text/css">
body {
padding-top: 60px;
padding-bottom: 40px;
}
.sidebar-nav {
padding: 9px 0;
}
select {
width: auto;
}
label {
display: inline-block;
margin-left: 1em;
}
legend {
width: auto;
margin-bottom: auto;
border: none;
}
fieldset {
border: 1px solid #E5E5E5;
display: inline;
padding: 5px;
}
</style>
</head>
<body>
<div class="navbar navbar-fixed-top">
<div class="navbar-inner">
<div class="container">
<a class="btn btn-navbar" data-toggle="collapse" data-target=".nav-collapse">
<span class="icon-bar"></span>
<span class="icon-bar"></span>
<span class="icon-bar"></span>
</a>
<div style='float:right'>
<div class="">
<ul class="nav">
<li><a href="/">laher.net.nz</a></li>
</ul>
</div>
</div>
<a class="brand" href="index.html">ChordialJS</a>
<div class="nav-collapse collapse">
<ul class="nav">
<li><a href="index.html">Home</a></li>
<li><a href="samples.html">Samples</a></li>
<li><a href="https://www.github.com/laher/ChordialJS/">Code</a></li>
<li><a href="https://www.github.com/laher/ChordialJS/wiki">Wiki</a></li>
<li><a href="https://www.github.com/laher/ChordialJS/issues">Issues</a></li>
<li><a href="mailto:chordial@laher.net.nz">Contact</a></li>
</ul>
</div><!--/.nav-collapse -->
</div>
</div>
</div>
<!-- body partial, used for adding pages to layout -->
<div class="container-fluid">
<div class="row-fluid">
<div class="span3">
<div class="well sidebar-nav">
<ul class="nav nav-pills nav-stacked">
<li class="nav-header">Samples</li>
<li><a href="samples.html">1. Common Progressions</a></li>
<li><a href="sample2.html">2. Chord Families</a></li>
<li><a href="sample3.html">3. Chords by Root Note</a></li>
<li><a href="sample4.html">4. Custom Progressions</a></li>
</ul>
</div><!--/.well -->
</div><!--/span-->
<div class="span9">
<script type='text/javascript'>
//some shared code for the samples
function sess_save(c_name, id) {
var el = document.getElementById(id);
if (el.type && el.type == 'checkbox') {
var val = el.checked;
} else {
var val = el.value;
}
console.log('saving '+c_name+'='+val);
setCookie(c_name, val, 30);
}
function sess_load(c_name, id) {
var el = document.getElementById(id);
var val = getCookie(c_name);
if (val != null) {
console.log('loading '+id+'='+val);
if(el.options != null) {
for (var i = 0; i < el.options.length; i++) {
if (el.options[i].value == val) {
el.options.selectedIndex = i;
break;
}
}
} else if (el.type && el.type === 'checkbox') {
if (val == 'true' || val == 'on') {
el.checked = true;
} else {
el.checked = false;
}
} else {
//otherwise assume textbox ..
el.value = val;
}
}
}
//get/set cookies functions taken from w3cschools
function setCookie(c_name,value,exdays)
{
var exdate=new Date();
exdate.setDate(exdate.getDate() + exdays);
var c_value=escape(value) + ((exdays==null) ? "" : "; expires="+exdate.toUTCString());
document.cookie=c_name + "=" + c_value;
}
function getCookie(c_name)
{
var c_value = document.cookie;
var c_start = c_value.indexOf(" " + c_name + "=");
if (c_start == -1)
{
c_start = c_value.indexOf(c_name + "=");
}
if (c_start == -1)
{
c_value = null;
}
else
{
c_start = c_value.indexOf("=", c_start) + 1;
var c_end = c_value.indexOf(";", c_start);
if (c_end == -1)
{
c_end = c_value.length;
}
c_value = unescape(c_value.substring(c_start,c_end));
}
return c_value;
}
</script>
<h2>1. Common Progressions</h2>
<p>Try some progressions ...</p>
<p>
<form>
<fieldset>
<legend>Options</legend>
<label for="prog_progression">
Progression</label>
<select id="prog_progression" onchange="change_prog();">
<option>I-IV-V7</option>
<option>Full Scale</option>
<option>Circle</option>
<option>50s</option>
<option>I-IV-V</option>
<!-- <option>I-IV-V (barre)</option>
-->
</select>
<label for="prog_scale">
Scale</label>
<select id="prog_scale" onchange="change_prog();">
<option>major</option>
<option>minor</option>
</select>
<label for="prog_key">
Key</label>
<select id="prog_key" onchange="change_prog();">
<option selected="selected">C</option>
<option>C#</option>
<option>D</option>
<option>D#</option>
<option>E</option>
<option>F</option>
<option>F#</option>
<option>G</option>
<option>G#</option>
<option>A</option>
<option>A#</option>
<option>B</option>
</select>
</fieldset>
<fieldset>
<legend>Instrument Options</legend>
<label for="prog_lefty">
Lefty?</label>
<input type="checkbox" id="prog_lefty" onchange="sess_save('lefty','prog_lefty');change_prog();">
<label for="prog_instrument">
Instrument
</label>
<select id="prog_instrument" onchange="sess_save('instrument','prog_instrument');change_prog();">
<option value="standard">Guitar</option>
<option value="ukulele">Ukulele</option>
</select>
</fieldset>
<!--
<fieldset>
<legend>Display</legend>
</fieldset>
-->
</form>
</p>
<div id='progression1'></div>
<div style='clear:both'></div>
</div>
</div>
</div>
<script type="text/javascript">//<![CDATA[
window.onload= function(){
sess_load('lefty', 'prog_lefty');
sess_load('instrument', 'prog_instrument');
change_prog();
};
var do_progs= function(key,scale,lefty,tuning,progression) {
var size=3;
var el= document.getElementById('progression1');
/*
if(progression=='I-IV-V') {
ChordialJS.renderChords(el,
ChordialJS.makePartialProgression(scale, key,
[ { degree : 1 }, { degree : 4 }, { degree : 5 }]),
{ size: size, lefty: lefty, tuning : tuning });
} else if(progression=='I-IV-V7') {
ChordialJS.renderChords(el,
ChordialJS.makePartialProgression(scale, key,
[{ degree : 1 }, { degree : 4 }, { degree : 5, family : 'seven'}],
{ size: size, lefty: lefty, tuning : tuning }));
} else if(progression=='50s') {
ChordialJS.renderChords(el,
ChordialJS.makePartialProgression(scale, key,
[ { degree : 1 }, {degree : 6}, { degree : 4 }, { degree : 5 }],
{ size: size, lefty: lefty, tuning : tuning }));
} else if(progression=='Circle') {
ChordialJS.renderChords(el,
ChordialJS.makePartialProgression(scale, key,
[
{ degree : 1 }, {degree : 4 }, { degree : 7 }, { degree : 3 },
{ degree : 6 }, {degree : 2 }, { degree : 5 }
],
{ size: size, lefty: lefty, tuning : tuning }));
} else if(progression=='Full scale') {
}
*/
ChordialJS.renderChords(el,
ChordialJS.makeNamedProgression(scale, key, progression,
{ size: size, lefty: lefty, tuning : tuning }));
};
var change_prog= function(){
var key= document.getElementById('prog_key').value;
var scale= document.getElementById('prog_scale').value;
var lefty= document.getElementById('prog_lefty').checked;
var tuning= document.getElementById('prog_instrument').value;
var progression= document.getElementById('prog_progression').value;
do_progs(key,scale,lefty,tuning,progression);
};
//]]>
</script>
</div>
<hr>
<div class="container">
<footer>
<p>© <a href='http://laher.github.com/'>Am Laher 2012</a></p>
</footer>
</div> <!-- /container -->
<!-- twitter bootstrap requires jquery. Otherwise jquery is unused in this site -->
<script src="http://code.jquery.com/jquery-1.10.0.min.js"></script>
<script src="http://netdna.bootstrapcdn.com/twitter-bootstrap/2.3.2/js/bootstrap.min.js"></script>
<script src="dist/Chordial-0.0.14.js"></script>
</body>
</html>