manuskript/manuskript/data/labels.py
TheJackiMonster 8029522563
Implement save as functionality moving data paths
Signed-off-by: TheJackiMonster <thejackimonster@gmail.com>
2023-03-21 23:37:17 +01:00

121 lines
2.8 KiB
Python

#!/usr/bin/env python
# --!-- coding: utf8 --!--
import collections
import os
from manuskript.data.abstractData import AbstractData
from manuskript.data.color import Color
from manuskript.io.mmdFile import MmdFile
class Label:
def __init__(self, host, index: int, name: str, color: Color):
self.host = host
self.ID = index
self.name = name
self.color = color
def __str__(self):
return self.name
def load(self):
self.host.load()
def save(self):
self.host.save()
class LabelHost(AbstractData):
def __init__(self, path):
AbstractData.__init__(self, os.path.join(path, "labels.txt"))
self.file = MmdFile(self.dataPath, 21)
self.labels = collections.OrderedDict()
def changePath(self, path: str):
AbstractData.changePath(self, os.path.join(path, "labels.txt"))
self.file = MmdFile(self.dataPath, 21)
def addLabel(self, name: str = None, color: Color = None) -> Label:
if name is None:
name = "New Label"
label = Label(self, 1+len(self.labels), name, color)
self.labels[name] = label
return label
def removeLabel(self, name: str) -> Label:
return self.labels.pop(name)
def renameLabel(self, oldName: str, newName: str):
match = False
drop = [oldName]
for name, label in self.labels.items():
if match:
drop.append(name)
elif name == oldName:
label.name = newName
match = True
if not match:
return
labels = list()
for name in drop:
labels.append(self.labels.pop(name))
for label in labels:
self.labels[label.name] = label
def getLabel(self, name: str) -> Label:
return self.labels.get(name)
def getLabelByID(self, ID: int | None) -> Label | None:
if ID is None:
return None
index = 1
for label in self.labels.values():
if index == ID:
assert label.ID == ID
return label
index += 1
return None
def __iter__(self):
return self.labels.values().__iter__()
def load(self):
self.labels.clear()
AbstractData.load(self)
try:
metadata, _ = self.file.loadMMD(True)
except FileNotFoundError:
self.complete(False)
return
for (name, value) in metadata.items():
if value is None:
continue
self.addLabel(name, Color.parse(value))
self.complete()
def save(self):
AbstractData.save(self)
metadata = collections.OrderedDict()
for (name, label) in self.labels.items():
metadata[name] = label.color
self.file.save((metadata, None))
self.complete()