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# Copyright © 2012-2015 Umang Varma <umang.me@gmail.com>
#
# This file is part of indicator-stickynotes.
#
# indicator-stickynotes is free software: you can redistribute it and/or
# modify it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or (at your
# option) any later version.
#
# indicator-stickynotes is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
# or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
# more details.
#
# You should have received a copy of the GNU General Public License along with
# indicator-stickynotes. If not, see <http://www.gnu.org/licenses/>.
from datetime import datetime
import uuid
import json
from os.path import expanduser
from stickynotes.info import FALLBACK_PROPERTIES
class Note:
def __init__(self, content=None, gui_class=None, noteset=None,
category=None):
self.gui_class = gui_class
self.noteset = noteset
content = content or {}
self.uuid = content.get('uuid')
self.body = content.get('body','')
self.properties = content.get("properties", {})
self.category = category or content.get("cat", "")
if not self.category in self.noteset.categories:
self.category = ""
last_modified = content.get('last_modified')
if last_modified:
self.last_modified = datetime.strptime(last_modified,
"%Y-%m-%dT%H:%M:%S")
else:
self.last_modified = datetime.now()
# Don't create GUI until show is called
self.gui = None
def extract(self):
if not self.uuid:
self.uuid = str(uuid.uuid4())
if self.gui != None:
self.gui.update_note()
self.properties = self.gui.properties()
return {"uuid":self.uuid, "body":self.body,
"last_modified":self.last_modified.strftime(
"%Y-%m-%dT%H:%M:%S"), "properties":self.properties,
"cat": self.category}
def update(self,body=None):
if not body == None:
self.body = body
self.last_modified = datetime.now()
def delete(self):
self.noteset.notes.remove(self)
self.noteset.save()
del self
def show(self, *args, **kwargs):
# If GUI has not been created, create it now
if self.gui == None:
self.gui = self.gui_class(note=self)
else:
self.gui.show(*args, **kwargs)
def hide(self):
if self.gui != None:
self.gui.hide()
def set_locked_state(self, locked):
# if gui hasn't been initialized, just change the property
if self.gui == None:
self.properties["locked"] = locked
else:
self.gui.set_locked_state(locked)
def cat_prop(self, prop):
"""Gets a property of the note's category"""
return self.noteset.get_category_property(self.category, prop)
class NoteSet:
def __init__(self, gui_class, data_file, indicator):
self.notes = []
self.properties = {}
self.categories = {}
self.gui_class = gui_class
self.data_file = data_file
self.indicator = indicator
def _loads_updater(self, dnoteset):
"""Parses old versions of the Notes structure and updates them"""
return dnoteset
def loads(self, snoteset):
"""Loads notes into their respective objects"""
notes = self._loads_updater(json.loads(snoteset))
self.properties = notes.get("properties", {})
self.categories = notes.get("categories", {})
self.notes = [Note(note, gui_class=self.gui_class, noteset=self)
for note in notes.get("notes",[])]
def dumps(self):
return json.dumps({"notes":[x.extract() for x in self.notes],
"properties": self.properties, "categories": self.categories})
def save(self, path=''):
output = self.dumps()
with open(path or expanduser(self.data_file),
mode='w', encoding='utf-8') as fsock:
fsock.write(output)
def open(self, path=''):
with open(path or expanduser(self.data_file),
encoding='utf-8') as fsock:
self.loads(fsock.read())
def load_fresh(self):
"""Load empty data"""
self.loads('{}')
self.new()
def merge(self, data):
"""Update notes based on new data"""
jdata = self._loads_updater(json.loads(data))
self.hideall()
# update categories
if "categories" in jdata:
self.categories.update(jdata["categories"])
# make a dictionary of notes so we can modify existing notes
dnotes = {n.uuid : n for n in self.notes}
for newnote in jdata.get("notes", []):
if "uuid" in newnote and newnote["uuid"] in dnotes:
# Update notes that are already in the noteset
orignote = dnotes[newnote["uuid"]]
if "body" in newnote:
orignote.body = newnote["body"]
if "properties" in newnote:
orignote.properties = newnote["properties"]
if "cat" in newnote:
orignote.category = newnote["cat"]
else:
# otherwise create a new note
if "uuid" in newnote:
uuid = newnote["uuid"]
else:
uuid = str(uuid.uuid4())
dnotes[uuid] = Note(newnote, gui_class=self.gui_class,
noteset=self)
# copy notes over from dictionary to list
self.notes = list(dnotes.values())
self.showall(reload_from_backend=True)
def new(self):
"""Creates a new note and adds it to the note set"""
note = Note(gui_class=self.gui_class, noteset=self,
category=self.properties.get("default_cat", ""))
self.notes.append(note)
note.show()
return note
def showall(self, *args, **kwargs):
for note in self.notes:
note.show(*args, **kwargs)
self.properties["all_visible"] = True
def hideall(self, *args):
self.save()
for note in self.notes:
note.hide(*args)
self.properties["all_visible"] = False
def get_category_property(self, cat, prop):
"""Get a property of a category or the default"""
if ((not cat) or (not cat in self.categories)) and \
self.properties.get("default_cat", None):
cat = self.properties["default_cat"]
cat_data = self.categories.get(cat, {})
if prop in cat_data:
return cat_data[prop]
# Otherwise, use fallback categories
if prop in FALLBACK_PROPERTIES:
return FALLBACK_PROPERTIES[prop]
else:
raise ValueError("Unknown property")
class dGUI:
"""Dummy GUI"""
def __init__(self, *args, **kwargs):
pass
def show(self):
pass
def hide(self):
pass
def update_note(self):
pass
def properties(self):
return None
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