Cura/plugins/Toolbox/src/AuthorsModel.py
2018-04-09 15:55:56 +02:00

89 lines
3.2 KiB
Python

# Copyright (c) 2018 Ultimaker B.V.
# Cura is released under the terms of the LGPLv3 or higher.
import re
from typing import Dict
from PyQt5.QtCore import Qt, pyqtProperty, pyqtSignal
from UM.Qt.ListModel import ListModel
## Model that holds cura packages. By setting the filter property the instances held by this model can be changed.
class AuthorsModel(ListModel):
NameRole = Qt.UserRole + 1
EmailRole = Qt.UserRole + 2
WebsiteRole = Qt.UserRole + 3
TypeRole = Qt.UserRole + 4
def __init__(self, parent = None):
super().__init__(parent)
self._authors_metadata = None
self.addRoleName(AuthorsModel.NameRole, "name")
self.addRoleName(AuthorsModel.EmailRole, "email")
self.addRoleName(AuthorsModel.WebsiteRole, "website")
self.addRoleName(AuthorsModel.TypeRole, "type")
# List of filters for queries. The result is the union of the each list of results.
self._filter = {} # type: Dict[str,str]
def setMetaData(self, data):
self._authors_metadata = data
self._update()
def _update(self):
items = []
for author in self._authors_metadata:
items.append({
"name": author["name"],
"email": author["email"],
"website": author["website"],
"type": author["type"]
})
# Filter on all the key-word arguments.
for key, value in self._filter.items():
if "*" in value:
key_filter = lambda candidate, key = key, value = value: self._matchRegExp(candidate, key, value)
else:
key_filter = lambda candidate, key = key, value = value: self._matchString(candidate, key, value)
items = filter(key_filter, items)
# Execute all filters.
filtered_items = list(items)
filtered_items.sort(key = lambda k: k["name"])
self.setItems(filtered_items)
## Set the filter of this model based on a string.
# \param filter_dict \type{Dict} Dictionary to do the filtering by.
def setFilter(self, filter_dict: Dict[str, str]) -> None:
if filter_dict != self._filter:
self._filter = filter_dict
self._update()
@pyqtProperty("QVariantMap", fset = setFilter, constant = True)
def filter(self) -> Dict[str, str]:
return self._filter
# Check to see if a container matches with a regular expression
def _matchRegExp(self, metadata, property_name, value):
if property_name not in metadata:
return False
value = re.escape(value) #Escape for regex patterns.
value = "^" + value.replace("\\*", ".*") + "$" #Instead of (now escaped) asterisks, match on any string. Also add anchors for a complete match.
if self._ignore_case:
value_pattern = re.compile(value, re.IGNORECASE)
else:
value_pattern = re.compile(value)
return value_pattern.match(str(metadata[property_name]))
# Check to see if a container matches with a string
def _matchString(self, metadata, property_name, value):
if property_name not in metadata:
return False
return value.lower() == str(metadata[property_name]).lower()