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import QtQuick 1.0

/* A view component for buttons for choosing notes. */
ListView {
    id: noteChooser

    property real currentFrequency: 82.407

    signal noteSelected(string note, real frequency, int index)

    //Press down the button corresponding to the given note.
    function pushButton(index) {
        currentIndex = index;
    }

    width: 50*model.count + spacing*(model.count-1); height: 50
    orientation: ListView.Horizontal
    model: NotesModel {}
    delegate: notesDelegate
    keyNavigationWraps: true
    boundsBehavior: Flickable.StopAtBounds

    Component {
        id: notesDelegate

        ToggleButton {
            id: noteButton

            width: height; height: noteChooser.height
            offImageSource: offSource
            onImageSource: onSource
            state: noteButton.ListView.isCurrentItem ? "pressed" : "unPressed"
            onSelected: {
                noteChooser.noteSelected(note, frequency, index)
                if (note != "Auto") {
                    currentFrequency = frequency
                }
            }
            onPushed: {
                noteButton.ListView.view.currentIndex = index
            }
        }
    }
}