aboutsummaryrefslogtreecommitdiffstats
path: root/examples/declarative/extending/chapter6-plugins/Charts/piechart.py
blob: b721a713066ec4f062e77bdac50c26a7fc975cd7 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
# Copyright (C) 2022 The Qt Company Ltd.
# SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause

from PySide6.QtCore import Property
from PySide6.QtQml import QmlElement, ListProperty
from PySide6.QtQuick import QQuickItem

from pieslice import PieSlice

# To be used on the @QmlElement decorator
# (QML_IMPORT_MINOR_VERSION is optional)
QML_IMPORT_NAME = "Charts"
QML_IMPORT_MAJOR_VERSION = 1

@QmlElement
class PieChart(QQuickItem):
    def __init__(self, parent=None):
        super().__init__(parent)
        self._slices = []
        self._name = ''

    @Property(str)
    def name(self):
        return self._name

    @name.setter
    def name(self, name):
        self._name = name

    def slice(self, n):
        return self._slices[n]

    def sliceCount(self):
        return len(self._slices)

    def append_and_setparent(self, slice):
        self._slices.append(slice)
        slice.setParentItem(self)

    slices = ListProperty(PieSlice, append_and_setparent)