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
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
|
# coding: utf-8
# /*##########################################################################
#
# Copyright (C) 2016-2018 European Synchrotron Radiation Facility
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
#
# ###########################################################################*/
__authors__ = ["V. Valls"]
__license__ = "MIT"
__date__ = "16/10/2020"
from silx.gui import qt
from ..model.DetectorModel import DetectorModel
from .DetectorModel import AllDetectorModel
from .DetectorModel import DetectorFilter
class DetectorSelector(qt.QComboBox):
def __init__(self, parent=None):
super(DetectorSelector, self).__init__(parent)
# feed the widget with default detectors
model = AllDetectorModel(self)
self.__filter = DetectorFilter(self)
self.__filter.setSourceModel(model)
super(DetectorSelector, self).setModel(self.__filter)
self.__model = None
self.setModel(DetectorModel())
self.currentIndexChanged[int].connect(self.__currentIndexChanged)
def setManufacturerFilter(self, manufacturer):
self.__filter.setManufacturerFilter(manufacturer)
def __currentIndexChanged(self, index):
model = self.model()
if model is None:
return
detectorClass = self.itemData(index)
if detectorClass is not None:
detector = detectorClass()
else:
detector = None
old = self.blockSignals(True)
model.setDetector(detector)
self.blockSignals(old)
def setModel(self, model):
if self.__model is not None:
self.__model.changed.disconnect(self.__modelChanged)
self.__model = model
if self.__model is not None:
self.__model.changed.connect(self.__modelChanged)
self.__modelChanged()
def findDetectorClass(self, detectorClass):
"""Returns the first index containing the requested detector.
Else return -1"""
for index in range(self.count()):
item = self.itemData(index)
if item is detectorClass:
return index
return -1
def __modelChanged(self):
value = self.__model.detector()
if value is None:
self.setCurrentIndex(-1)
else:
detectorClass = value.__class__
index = self.currentIndex()
item = self.itemData(index)
if item != detectorClass:
# findData is not working
index = self.findDetectorClass(detectorClass)
self.setCurrentIndex(index)
def model(self):
return self.__model
|
