Newer
Older
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
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
# Mantid Repository : https://github.com/mantidproject/mantid
#
# Copyright © 2018 ISIS Rutherford Appleton Laboratory UKRI,
# NScD Oak Ridge National Laboratory, European Spallation Source
# & Institut Laue - Langevin
# SPDX - License - Identifier: GPL - 3.0 +
# This file is part of the mantid workbench.
#
#
from __future__ import (absolute_import, division, print_function)
from qtpy.QtWidgets import QWidget, QHBoxLayout, QVBoxLayout, QLabel, QPushButton, QSlider, QDoubleSpinBox
from qtpy.QtCore import Qt, Signal
from mantid.py3compat.enum import Enum
class State(Enum):
X = 0
Y = 1
NONE = 2
class DimensionWidget(QWidget):
dimensionsChanged = Signal()
valueChanged = Signal()
"""
Hold all the individual dimensions
from mantidqt.widgets.sliceviewer.dimensionwidget import DimensionWidget
from qtpy.QtWidgets import QApplication
app = QApplication([])
dims = [{'minimum':-1.1, 'number_of_bins':11, 'width':0.2, 'name':'Dim0', 'units':'A'},
{'minimum':-2.1, 'number_of_bins':21, 'width':0.2, 'name':'Dim1', 'units':'B'},
{'minimum':-10.05, 'number_of_bins':201, 'width':0.1, 'name':'Dim2', 'units':'C'}]
window = DimensionWidget(dims)
window.show()
app.exec_()
"""
def __init__(self, dims_info, parent=None):
super(DimensionWidget, self).__init__(parent)
self.layout = QVBoxLayout(self)
self.dims = []
for n, dim in enumerate(dims_info):
if n == 0:
state = State.X
elif n == 1:
state = State.Y
else:
state = State.NONE
self.dims.append(Dimension(dim, number=n, state=state, parent=self))
for widget in self.dims:
widget.stateChanged.connect(self.change_dims)
widget.valueChanged.connect(self.valueChanged)
self.layout.addWidget(widget)
def change_dims(self, number):
states = [d.get_state() for n, d in enumerate(self.dims)]
if states.count(State.X) == 0:
for n, d in enumerate(self.dims):
if n != number and d.get_state() == State.Y:
d.set_state(State.X)
elif states.count(State.Y) == 0:
for n, d in enumerate(self.dims):
if n != number and d.get_state() == State.X:
d.set_state(State.Y)
elif states.count(State.X) == 2:
for n, d in enumerate(self.dims):
if n != number and d.get_state() == State.X:
d.set_state(State.NONE)
elif states.count(State.Y) == 2:
for n, d in enumerate(self.dims):
if n != number and d.get_state() == State.Y:
d.set_state(State.NONE)
self.dimensionsChanged.emit()
def get_slicepoint(self):
return [None if d.get_state() in (State.X, State.Y) else d.get_value() for d in self.dims]
class Dimension(QWidget):
stateChanged = Signal(int)
valueChanged = Signal()
"""
pass in dimension
state: one of (State.X, State.Y, State.NONE)
Can be run independently by:
from mantidqt.widgets.sliceviewer.dimensionwidget import Dimension
from qtpy.QtWidgets import QApplication
app = QApplication([])
window = Dimension({'minimum':-1.1, 'number_of_bins':11, 'width':0.2, 'name':'Dim0', 'units':'A'})
window.show()
app.exec_()
"""
def __init__(self, dim_info, number=0, state=State.NONE, parent=None):
super(Dimension, self).__init__(parent)
self.minimum = dim_info['minimum']
self.nbins = dim_info['number_of_bins']
self.width = dim_info['width']
self.number = number
self.layout = QHBoxLayout(self)
self.name = QLabel(dim_info['name'])
self.units = QLabel(dim_info['units'])
self.x = QPushButton('X')
self.x.setFixedSize(32,32)
self.x.setCheckable(True)
self.x.clicked.connect(self.x_clicked)
self.y = QPushButton('Y')
self.y.setFixedSize(32,32)
self.y.setCheckable(True)
self.y.clicked.connect(self.y_clicked)
self.slider = QSlider(Qt.Horizontal)
self.slider.setRange(0, self.nbins-1)
self.slider.valueChanged.connect(self.slider_changed)
self.spinbox = QDoubleSpinBox()
self.spinbox.setDecimals(3)
self.spinbox.setRange(self.get_bin_center(0), self.get_bin_center(self.nbins-1))
self.spinbox.setSingleStep(self.width)
self.spinbox.valueChanged.connect(self.spinbox_changed)
self.layout.addWidget(self.name)
self.layout.addWidget(self.x)
self.layout.addWidget(self.y)
self.layout.addWidget(self.slider, stretch=1)
self.layout.addStretch(0)
self.layout.addWidget(self.spinbox)
self.layout.addWidget(self.units)
self.set_value(0)
self.set_state(state)
def set_state(self, state):
self.state = state
if self.state == State.X:
self.x.setChecked(True)
self.y.setChecked(False)
self.slider.hide()
self.spinbox.hide()
self.units.hide()
elif self.state == State.Y:
self.x.setChecked(False)
self.y.setChecked(True)
self.slider.hide()
self.spinbox.hide()
self.units.hide()
else:
self.x.setChecked(False)
self.y.setChecked(False)
self.slider.show()
self.spinbox.show()
self.units.show()
def get_state(self):
return self.state
def x_clicked(self):
old_state = self.state
self.set_state(State.X)
if self.state != old_state:
self.stateChanged.emit(self.number)
def y_clicked(self):
old_state = self.state
self.set_state(State.Y)
if self.state != old_state:
self.stateChanged.emit(self.number)
def spinbox_changed(self):
self.value = self.spinbox.value()
self.update_slider()
self.valueChanged.emit()
def slider_changed(self):
self.value = self.get_bin_center(self.slider.value())
self.update_spinbox()
self.valueChanged.emit()
def get_bin_center(self, n):
return (n+0.5)*self.width+self.minimum
def update_slider(self):
i = (self.value-self.minimum)/self.width
self.slider.setValue(int(min(max(i, 0), self.nbins-1)))
def update_spinbox(self):
self.spinbox.setValue(self.value)
def set_value(self, value):
self.value = value
self.update_slider()
self.update_spinbox()
def get_value(self):
return self.value