tradersolz.blogg.se - Basic keyboard piano

withClefSelection: Bool - default true.

Sets whether buttons are displayed to select the note length (like half, quarter, eigth, etc.)

withNoteSelection: Bool - default true.

Sets whether on the left and right side of the keyboard arrows buttons are displayed for the user to shift octaves up or down

withShiftButtons: Bool - default true.

Sets whether the first keys of each octave have labels indicating their pitch Use the octaves object to select an octave like octaves.C4

startOctave: the lowest displayed octovate.

To create a piano keyboard you use the functionįunction htmlForKeyboardWithOctaves ( numberOfOctaves, startOctave, showLabels, withShiftButtons, withNoteSelection, withClefSelection ) The svgNotesForPlaineEasieCode function takes a Plaine & Easie code and returns the notes rendered in SVG format using the Verovio Toolkit.

In the updateNotesSVG() the codes in that array are joined to a single string and sent to the svgNotesForPlaineEasieCode() function.

The updatePreviewWithNote() function takes the last played note in Plaine and Easie format and appends it to the plaineEasieCodes array. This creates a piano keyboard in the keyboardContainer and adds a callback function updatePreviewWithNote() that is called whenever a key is pressed on the keyboard.