simplemidi/ui/pad_config.py

import json
from padbuilder import NoteOn, NoteOff

REL = "RELATIVE"
FIX = "FIXED"

def Drop(): return { "type": "DROP"}

def Reorder(n=0): return  {
    "type": "REORDER",
    "offset" : n
}

def Translate(ch=0, chm="RELATIVE", k=0, km="RELATIVE", v=0, vm="RELATIVE"):
    return {
        "type": "TRANSLATE",
        "values" : (ch, k, v),
        "modes" : (chm, km, vm)
    }

def Range(range, key, l=12):
    return {
        "type": "TRANSLATE",
        "range" : range,
        "key" : key,
        "length" : l
    }



class Selection:

    def __init__(self, name):
        self.name = name
        self.inputs = []
        self.operations = []
        self.locked=[]
        self.init=[]


    def __iadd__(self, other):
        if isinstance(other, list):
            for x in other: self.inputs.append(x)
        if isinstance(other, int):
            self.inputs.append(other)

    def add_input(self, other):
        if isinstance(other, list):
            for x in other: self.inputs.append(x)
        if isinstance(other, int):
            self.inputs.append(other)

    def add_operation(self, op):
        self.operations.append(op)

    def add_init_operation(self, op):
        if isinstance(op, (tuple, list)):
            for x in op: self.add_init_operation(x)
        else:
            self.init.append(op)

    def add_locked(self, op):
        if isinstance(op, (tuple, list)):
            for x in op: self.add_locked(x)
        else:
            self.locked.append(op)



    def json(self):
        return {
            "operations" : self.operations,
            "init" : self.init,
            "locked" : self.locked
        }

class Configuration:

    def __init__(self, name, pad, w, h):
        self.w=w
        self.h=h
        self.description=""
        self.name = name
        self.pad=pad
        self.selection={}

    def add_selection(self, s): self.selection[s.name] = s

    def json(self):
        matrix=[]
        for i in range(self.w*self.h):
            matrix.append(None)
        for s in self.selection:
            sel = self.selection[s]
            for i in sel.inputs:
                matrix[i]=sel.name
        sels = {}
        for x in self.selection:
            sels[self.selection[x].name]=(self.selection[x].json())

        return {
            "name" : self.name,
            "description" : self.description,
            "pad" : self.pad,
            "selections" : sels,
            "matrix" : matrix
        }

    def write(self, file):
        with open(file, "w") as f:
            f.write(json.dumps(self.json(), indent=4))


conf = Configuration("APC Mini", "apc.json", 10, 12 )


a = Selection("a")
a.add_input([0,1,2,3,10,11,12,13,20,21,22,23,30,31,32,33])
a.add_operation(Translate(1, FIX, 0, REL))
a.add_init_operation(NoteOn(-1,-1,1))
conf.add_selection(a)


b = Selection("b")
b.add_input([4,5,6,7,14,15,16,17,24,25,26,27,34,35,36,37])
b.add_operation(Reorder())
b.add_operation(Translate(2, FIX, 0, REL))
b.add_init_operation(NoteOn(-1,-1,3))
conf.add_selection(b)


c = Selection("c")
c.add_input([44,45,46,47,54,55,56,57,64,65,66,67,74,75,76,77])
c.add_operation(Translate(3, FIX, 0, REL))
c.add_init_operation(NoteOn(-1,-1,1))
conf.add_selection(c)


d = Selection("d")
d.add_input([40,41,42,43,50,51,52,53,60,61,62,63,70,71,72,73])
d.add_operation(Reorder())
d.add_operation(Translate(4, FIX, 0, REL))
d.add_init_operation(NoteOn(-1,-1,3))
conf.add_selection(d)

e = Selection("e")
e.add_input([110,111,112,113,114,115,116,117,118])
e.add_operation(Reorder())
e.add_operation(Translate(4, FIX, 0, REL))
conf.add_selection(e)

conf.write("../conf.conf")