/
musicxml_process.js
1266 lines (963 loc) · 38.5 KB
/
musicxml_process.js
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/* jslint esversion: 6, maxerr: 100 */
/* jshint eqeqeq: false */
var MLIB;
var parameters;
var xml_string_loaded;
var xml_string_in;
var xml_string_out;
var demonstration_scores_array;
function show_sidebar()
{
// javascript to create sidebar menu
let elt = document.getElementById('sidebar');
elt.innerHTML = `
<!--sidebar start-->
<aside>
<div id="sidebar" class="nav-collapse " >
<!-- sidebar menu start-->
<ul class="faq-menu" id="nav-accordion">
<li>
<a href ="index.htm">
<i class="fa fa-home"></i>
<span>Home</span>
</a>
</li>
<li>
<a href="javascript:;">
<span style="color: #eee; font-weight: 800;">Processing Functions</span>
</a></li>
<li>
<a href="javascript:set_content_name('view_play');">
<span style="width: 15px;"> </span>
<i class="fa fa-music "></i>
<span style="color: #ddd;" >View</span></a></li>
<li>
<a href="javascript:set_content_name('transpose');">
<span style="width: 15px;"> </span>
<i class="fa fa-arrows-v"></i>
<span>Transpose</span></a></li>
<li>
<a href="javascript:set_content_name('add_bass');">
<span style="width: 15px;"> </span>
<i class="fa fa-level-down"></i>
<span style="color: #ddd;">Add Bass</span></a></li>
<li>
<a href="javascript:set_content_name('add_solo');">
<span style="width: 15px;"> </span>
<i class="fa fa-level-down"></i>
<span style="color: #ddd;">Add Solo Section</span></a></li>
<li>
<a href="javascript:set_content_name('trim_score');">
<span style="width: 15px;"> </span>
<i class="fa fa-scissors"></i>
<span style="color: #ddd;">Trim</span></a></li>
<li>
<a href="javascript:set_content_name('voice_leading');">
<span style="width: 15px;"> </span>
<i class="fa fa-arrow-right"></i>
<span style="color: #ddd;">Voice Leading</span></a></li>
<li>
<a href="javascript:set_content_name('melody_chords');">
<span style="width: 15px;"> </span>
<i class="fa fa-level-up"></i>
<span style="color: #ddd;">Melody Chords</span></a></li>
<li>
<a href="javascript:set_content_name('add_rhythm');">
<span style="width: 15px;"> </span>
<i class="fa fa-level-down"></i>
<span style="color: #ddd;">Add Rhythm Text</span></a></li>
<p style="color: #eee; margin-left: 20px;">--------------------------</p>
<li>
<a href ="musicxml_faq.htm">
<i class="fa fa-question"></i>
<span>Frequent Questions</span>
</a>
</li>
<li>
<a href ="musicxml_about.htm">
<i class="fa fa-user"></i>
<span>About Us</span>
</a>
</li>
<li>
<a href ="musicxml_contact.htm">
<i class="fa fa-phone"></i>
<span>Contact Us</span>
</a>
</li>
</ul>
<!-- sidebar menu end-->
`;
}
var parameters;
var load_or_open;
// in musicxml_process.htm this shows the parameters for the process
// onther files, like index and faq can override it.
function set_content_name(content_name)
{
console.log(get_self(content_name));
console.log("load_or_open: %s", load_or_open);
parameters.process_content = content_name;
//console.log("parameters.process_content: %s", parameters.process_content);
save_parameters_to_local_storage();
if (load_or_open == "load")
{
load_musicxml_process_page(content_name);
return;
}
// see if this is a process to open
let content_id = content_name + "_content";
let process_found = false;
let content_text = document.getElementsByClassName("content_text");
for (let ii = 0; ii < content_text.length; ii++)
{
let content_elt = content_text[ii];
//console.log("II: %s content_text ID: %s (%s)", ii, content_elt.id, content_id);
if (content_elt.id == content_id)
{
//console.log("SET DISPLAY BLOCK: %s", content_elt.id);
content_elt.style.display = "block";
process_found = true;
}
else
{
content_elt.style.display = "none";
}
}
if (!process_found)
{
console.error("process to show not found: %s", content_name);
}
}
function set_default_parameters(do_save)
{
//console.log(get_self(do_save));
parameters = {
max_number_of_notes_leading: "4",
max_number_of_notes_melody: "4",
bass_format: "radio_chords",
demonstration_score: "Every Time I Say Goodbye",
first_trim_measure: "2",
first_note: "2",
last_trim_measure: "4",
last_note: "1",
process_content: "view_play",
seventh_position: "treble",
show_output: false,
show_output_select: "0",
staff_type: "bass-clef",
starting_inversion: "root",
transpose_direction: "closest",
transpose_key: "None",
};
// if user clicked set_default_paramaters
if (do_save)
{
save_parameters_to_local_storage();
}
}
function clear_score()
{
xml_string_loaded = "";
xml_string_in = "";
xml_string_out = "";
let download_div_elt = document.getElementById('download_div');
download_div_elt.style.display = "none";
}
function change_file_name(elt)
{
let output_file_name = elt.value;
console.log(get_self(output_file_name));
prepare_output_file(xml_string_out, output_file_name);
}
// to save output
function prepare_output_file(output_string, output_file_name)
{
if (!output_file_name || output_file_name == "")
{
output_file_name = "new_score" + parameters.output_file_extension;
let elt = document.getElementById("output_file_name");
elt.innerText = output_file_name;
}
//console.log("prepare_output_file: output_file_name: %s", output_file_name);
let properties = {type: 'text/plain'}; // Specify the file's mime-type.
let output_file_data = [output_string];
//console.log("string DATA length: %s", output_file_data.length);
let file;
try
{
// Specify the filename using the File constructor, but ...
//console.log("SAVE AS FILE");
// we will want to get output file name
file = new File(output_file_data, output_file_name, properties);
}
catch (e)
{
// ... fall back to the Blob constructor if that isn't supported.
//console.log("SAVE AS BLOB");
file = new Blob(output_file_data, properties);
}
//console.log("After create FILE");
let url = URL.createObjectURL(file);
let download_div_elt = document.getElementById('download_div');
download_div_elt.style.display = "block";
let download_elt = document.getElementById('download_link');
download_elt.download = output_file_name;
download_elt.href = url;
//console.log("After set download_link href");
let label_elt = document.getElementById("output_file_label");
label_elt.scrollIntoViewIfNeeded();
}
function get_parameter_change(element, dont_save)
{
//console.log(get_self());
//console.log("element.id: %s element.name: %s type: %s tagName: %s dont_save: %s",
// element.id, element.name, element.type, element.tagName dont_save);
let name;
let value;
let type = element.type;
if (element.tagName == "SELECT")
{
type = "SELECT";
name = element.id;
let index = element.selectedIndex;
//console.log("SELECT NAME: %s index: %s", name, index);
value = element.options[index].value;
}
else if (element.type == "radio")
{
name = element.name;
value = element.id;
}
else if (element.type == "number" || element.type == "text")
{
name = element.id;
value = element.value;
}
parameters[name] = value;
//console.log("get_parameter_change: type: %s name: %s value: %s", type, name, value);
if (!dont_save)
save_parameters_to_local_storage();
}
function get_parameters_from_elts()
{
//console.log(get_self());
let parameter_elts = document.getElementsByClassName("parameters");
let DONT_SAVE = true;
for (let iparm = 0; iparm < parameter_elts.length; iparm++)
{
let elt = parameter_elts[iparm];
//console.log("type: %s id: %s name: %s tagName: %s value: %s", elt.type, elt.id, elt.name, elt.tagName, elt.value);
if (elt.type == "number" || elt.type == "text")
{
get_parameter_change(elt, DONT_SAVE);
}
else if (elt.tagName == "SELECT")
{
get_parameter_change(elt, DONT_SAVE);
}
else if (elt.type == "radio")
{
//console.log("RADIO: checked: %s", elt.checked);
if (elt.checked)
get_parameter_change(elt, DONT_SAVE);
}
else
{
//console.log("Unknown Element type: %s", elt.type);
}
}
// ADH - we will better T/F logic for parameters
if (parameters.show_output_select == "1")
parameters.show_output = true;
else
parameters.show_output = false;
save_parameters_to_local_storage();
}
function get_demonstration_score(element, dont_save)
{
console.log(get_self());
get_parameter_change(element, dont_save);
let value;
name = element.id;
let index = element.selectedIndex;
console.log("NAME: %s index: %s", name, index);
value = element.options[index].value;
}
// these read the latest parameters
function add_to_parameters(svar)
{
let value = get_element_value(svar);
//console.log("add_to_parameters: svar: %s: value: %s", svar, value);
parameters[svar] = value;
}
function add_to_parameters_number(svar)
{
let value = get_element_value(svar);
//console.log("add_to_parameters: svar: %s: value: %s", svar, value);
parameters[svar] = Number(value);
}
// process xml_string_loaded, or
// get new text from demotration score
function process_loaded_xml()
{
console.log(get_self());
if (!xml_string_loaded || xml_string_loaded == "")
{
console.log("parameters.demonstration_score: %s", parameters.demonstration_score);
let score_name = parameters.demonstration_score;
let score_data = demonstration_scores_array[score_name];
MLIB.show_object(demonstration_scores_array, "demonstration_scores_array");
MLIB.show_object(score_data, "score_data");
parameters.song_name = score_data.name;
set_element_value("song_name", song_name);
parameters.song_name = song_name;
console.log("score_name: %s song_name: %s", score_name, parameters.song_name);
load_url_text(score_data.url, "process");
}
else
{
console.log("xml_string_loaded.length: %s", xml_string_loaded.length);
process_xml(xml_string_loaded);
}
}
function process_xml(xml_string_loaded)
{
console.log(get_self(parameters.process_content));
get_parameters_from_elts();
//console.log("show_output: %s", parameters.show_output);
// save in var for debug
xml_string_in = xml_string_loaded;
//console.log("xml_string_in length: %s\n %s", xml_string_in.length, xml_string_in.substr(0,100));
if (!xml_string_in || xml_string_in == "")
{
console.error("NO XML STRING");
alert("XML Not Loaded");
return;
}
xml_string_out = "";
var song_name;
let dom_object = MLIB.musicxml_to_dom(xml_string_in);
switch (parameters.process_content)
{
case 'view_play':
// will display below
short_content = ""; // not used for file name
break;
case 'transpose':
short_content = parameters.transpose_key;
MLIB.transpose_musicxml_dom(parameters, dom_object);
break;
case 'add_bass':
short_content = "bass";
MLIB.add_bass_to_musicxml_dom(parameters, dom_object);
break;
case 'add_solo':
short_content = "solo";
MLIB.add_solo_to_musicxml_dom(parameters, dom_object);
break;
case 'trim_score':
short_content = "trimmed";
MLIB.do_trim_score_musicxml_dom(parameters, dom_object);
break;
case 'voice_leading':
short_content = "leading";
MLIB.do_voice_leading_musicxml_dom(parameters, dom_object);
break;
case 'melody_chords':
short_content = "melody";
MLIB.do_melody_chords_musicxml_dom(parameters, dom_object);
break;
case 'add_rhythm':
short_content = "rhythm";
MLIB.add_rhythm_to_musicxml_dom(parameters, dom_object);
break;
default:
console.error("UNKNOWN process_content: %s", parameters.process_content);
break;
}
// display processed score
MLIB.view_musicxml_dom(parameters, dom_object);
song_name = MLIB.osmd_object.sheet.title.text;
let output_file_name = sprintf("%s_%s%s", song_name, short_content, parameters.output_file_extension);
//console.log("TITLE: %s output_file_name: %s", song_name, output_file_name);
set_element_value("song_name", song_name);
parameters.song_name = song_name;
set_element_value("output_file_name", output_file_name);
if (parameters.process_content != "view_play")
{
xml_string_out = MLIB.dom_object_to_return_string(dom_object);
// create the output file ready for download
prepare_output_file(xml_string_out, output_file_name);
}
}
function zoomin()
{
//window.setTimeout(function ()
//{
MLIB.view_params.zoom *= 1.25;
set_element_value("zoom", MLIB.view_params.zoom);
MLIB.osmd_object.Zoom = MLIB.view_params.zoom;
MLIB.osmd_object.render();
//}, 0);
}
function zoomout()
{
//window.setTimeout(function ()
//{
MLIB.view_params.zoom /= 1.25;
set_element_value("zoom", MLIB.view_params.zoom);
MLIB.osmd_object.Zoom = MLIB.view_params.zoom;
MLIB.osmd_object.render();
//}, 0);
}
function zoom100()
{
//window.setTimeout(function ()
//{
MLIB.view_params.zoom = 1.00;
MLIB.osmd_object.Zoom = MLIB.view_params.zoom;
set_element_value("zoom", MLIB.view_params.zoom);
MLIB.osmd_object.render();
//}, 0);
}
function show_transposed_score()
{
if (xml_string_out === "")
{
alert("No Transposed Score available");
}
else
{
let elt = document.getElementById("transposed_score");
elt.style.display = "block";
elt.innerText = xml_string_out;
}
}
function copy_transposed_score()
{
if (xml_string_out === "")
{
alert("No Transposed Score available");
}
else
{
copyToClipboard(xml_string_out);
alert(xml_string_out.length + " bytes copied to clipboard");
}
}
function copyToClipboard(text) {
let dummy = document.createElement("textarea");
// to avoid breaking orgain page when copying more words
// cant copy when adding below this code
// dummy.style.display = 'none'
document.body.appendChild(dummy);
//Be careful if you use texarea. setAttribute('value', value), which works with "input" does not work with "textarea". – Eduard
dummy.value = text;
dummy.select();
document.execCommand("copy");
document.body.removeChild(dummy);
}
var url_vars;
function get_url_vars()
{
//console.log(get_self());
if (url_vars)
console.error("url_vars already defined");
let url_string = window.location.href;
let ipos = url_string.indexOf("#");
if (ipos >= 0)
{
url_string = url_string.substr(0, ipos);
}
url_vars = [];
url_string.replace(/[?&]+([^=&]+)=([^&]*)/gi, function(m, key,value)
{
url_vars[key] = unescape(value);
});
return url_vars;
}
function get_url_var(svar)
{
//console.log(get_self(svar));
if (!url_vars)
{
//console.log("getting url_vars");
get_url_vars();
}
let sval = url_vars[svar];
if (!sval)
sval = "";
return(sval);
}
// save parameters after every change
function save_parameters_to_local_storage()
{
//console.log(get_self());
let json_string = JSON.stringify(parameters);
//console.log("json_string: %s", json_string);
let storage_key = "musicxml_process";
//console.log("setItem for storage_key: %s\n%s", storage_key, json_string);
localStorage.setItem(storage_key, json_string);
}
function load_parameters_from_local_storage(skip_set)
{
//console.log(get_self());
let storage_key = "musicxml_process";
let json_string = localStorage.getItem(storage_key);
//console.log("load_parameters_from_local_storage: %s\n%s", storage_key, json_string);
let parameters_parsed = JSON.parse(json_string);
for (let key in parameters_parsed)
{
if (key == "show_output")
continue;
let value = parameters_parsed[key];
//console.log("load_parameters_from_local_storage:SET key: %s value: %s", key, value);
parameters[key] = value;
if (!skip_set)
set_element_value(key, value);
}
}
// these are not in the library functions (yet) because they are only used in this one .htm file
function set_element_value(sid, value)
{
//console.log(get_self(sid, value));
if (sid == "process_content")
{
// not setting sidebar tab yet
content_name = value;
//console.log("CALL set_content_name('%s'))", content_name);
set_content_name(content_name);
return;
}
let elt = document.getElementById(sid);
if (!elt)
{
// see if this is a radio group - by class of elements
let elts = document.getElementsByName(sid);
for (let ii = 0; ii < elts.length; ii++)
{
elt = elts[ii];
//console.log("elt id: %s name: %s value: %s", elt.id, elt.name, value);
if (elt.id == value)
{
//console.log("ii: %s set check: %s", ii, elt.id);
elt.checked = true;
return;
}
}
console.error("set_element_value: ITEM TO CHECK NOT FOUND: %s", sid);
return;
}
if (!elt)
{
console.error("set_element_value: ELT NOT FOUND: %s", sid);
return;
}
//console.log("elt.id: %s elt.name: %s type: %s tagName: %s", elt.id, elt.name, elt.type, elt.tagName);
if (elt.tagName == "SELECT")
{
//console.log("elt.options.length: %s", elt.options.length);
for (let ii=0; ii < elt.options.length; ii++)
{
let elt_value = elt.options[ii].value;
//console.log("ii: %s sid: %s value: %s (value == elt_value): %s",
// ii, sid, elt_value, (value == elt_value) ? "T" : "F" );
if (elt_value == value)
{
elt.selectedIndex = ii;
//console.log("set_element_value: SELECT: %s value: %s index: %s", sid, ii, value);
return;
}
}
if (sid == "demonstration_score")
{
return; // we will set this on page load later
// we will select this later
}
console.error(sid + " - SELECT value not found: " + value, sid, value);
}
else if (elt.tagName == "DIV" || elt.tagName == "SPAN")
{
elt.innerText = value;
}
else
{
elt.value = value;
//console.log("set_element_value: sid: %s value: %s elt.value: %s", sid, value, elt.value);
}
}
function get_element_value(sid)
{
let elt = document.getElementById(sid);
if (!elt)
console.error("elt not found: " + sid);
let value;
if (elt.tagName == "SELECT")
{
value = elt.options[elt.selectedIndex].value;
}
else
value = elt.value;
return(value);
}
function get_element_number(sid)
{
let value = get_element_value(sid);
value = Number(value);
return(value);
}
// get link to load page
function get_musicxml_load_html(content_name, text_label)
{
//console.log("get_musicxml_load_html(%s,%s)", content_name, text_label);
let shtml = sprintf(`<p></p><a href='Javascript:load_musicxml_process_page("%s");'>
<button>%s MusicXML File</button>
</a><br>
`, content_name, text_label);
return(shtml);
}
function load_musicxml_process_page(content_name)
{
//console.log("load_musicxml_process_page(%s)", content_name);
// save content into localStorage as process_content
let skip_set = true;
load_parameters_from_local_storage(skip_set);
parameters.process_content = content_name;
save_parameters_to_local_storage();
let surl = "musicxml_process.htm";
window.location.href = surl;
}
function do_view_text(sid, add_link)
{
let shtml = `<div class=info>
<h3>View and Play</h3>
<img src="images/view.png" >
View you score and play it in your browser.\n`;
if (add_link)
shtml += get_musicxml_load_html("view_play", "View and Play");
shtml +=`<br clear=all>
</div><p></p>
`;
let element = document.getElementById(sid);
element.innerHTML += shtml;
}
function do_transpose_text(sid, add_link)
{
let shtml = `<div class=info>
<h3>Transpose Score</h3>
<img src="images/transpose.png" >
Transpose your MusicXML score, chords and key signatures to any key.\n`;
if (add_link)
shtml += get_musicxml_load_html("transpose", "Transpose");
shtml +=`<br clear=all>
</div><p></p>
`;
let element = document.getElementById(sid);
element.innerHTML += shtml;
}
function do_add_bass_text(sid, add_link)
{
let shtml = `<div class=info>
<h3>Add Bass Accompaniment</h3>
<img src="images/add-bass.png" >
Add a simple Accompaniment to your MusicXML score.
<p>
For instance, a piano accompaniment for a choral score.
</p>\n`;
if (add_link)
shtml += get_musicxml_load_html("add_bass", "Add Base Notes");
shtml +=`<br clear=all>
</div><p></p>
`;
let element = document.getElementById(sid);
element.innerHTML += shtml;
}
function do_add_solo_text(sid, add_link)
{
let shtml = `<div class=info>
<h3>Add Solo Section</h3>
<img src="images/add-solo.png" >
Add a simple Accompaniment to your MusicXML score.
<p>
For instance, a piano accompaniment for a choral score.
</p>\n`;
if (add_link)
shtml += get_musicxml_load_html("add_solo", "Add Base Notes");
shtml +=`<br clear=all>
</div><p></p>
`;
let element = document.getElementById(sid);
element.innerHTML += shtml;
}
function do_trim_score_text(sid, add_link)
{
let shtml = `<div class=info>
<h3>Trim Score</h3>
<img src="images/trim-score.png" >
Select a portion of a MusicXML score you want to keep with just the desired measures and notes.
<p></p>
Create and save a new MusicXML file with just the desired part of the original score.
\n`;
if (add_link)
shtml += get_musicxml_load_html("trim_score", "Trim Score");
shtml +=`<br clear=all>
</div><p></p>
`;
let element = document.getElementById(sid);
element.innerHTML += shtml;
}
function do_voice_leading_text(sid, add_link)
{
let shtml = `<div class=info>
<h3>Voice Leading Chords is not complete yet.</h3>
<img src="images/accompaniment.png" >
Voice Leading Chords will read a melody from the first part in your MusicXML score,
and add bass and chords notes to accompany the melody.
<p></p>
This is designed to be played when aocompianing a singer or soloist.
<p></p>
One chord is provided for each chord in the leadsheet - using voice leading and inversions to minimize hand movement
while providing accompaniment.
\n`;
if (add_link)
shtml += get_musicxml_load_html("voice_leading", "Add Voice Leasing Chords");
shtml +=`<br clear=all>
</div><p></p>
`;
let element = document.getElementById(sid);
element.innerHTML += shtml;
}
function do_melody_chords_text(sid, add_link)
{
let shtml = `<div class=info>
<h3>Melody Chords is not complete yet.</h3>
<img src="images/piano-jazz.png" >
Melody Chords will read a melody from the first part in your MusicXML score, and add bass and chords notes to accompany the melody.
\n`;
if (add_link)
shtml += get_musicxml_load_html("melody_chords", "Add Melody Chords");
shtml +=`<br clear=all>
</div><p></p>
`;
let element = document.getElementById(sid);
element.innerHTML += shtml;
}
function do_add_rhythm_text(sid, add_link)
{
let shtml = `<div class=info>
<h3>Add Rhythm Notation</h3>
<img src="images/add-rhythm.png" >
<br clear=all>
Equally spaces out notes based on duration,
<br> and optionally
Adds "1 & 2 & 3 & ..." as lyrics to your MusicXML score.
<p>
This may help with parsing out syncopated rhythms when learning a new melody.
</p>\n`;
if (add_link)
shtml += get_musicxml_load_html("add_rhythm", "Add Base Notes");
shtml +=`<br clear=all>
</div><p></p>
`;
let element = document.getElementById(sid);
element.innerHTML += shtml;
}
// Stuff for drop and load files
function setup_drop_and_paste()
{
// where files are dropped + file selector is opened
let dropRegion = document.getElementById("drop-region");
// open file selector when clicked on the drop region