def create_widget(self):
self.check_param(self.param, assert_error=True)
self.default = self.param['range'][0]
if 'default' in self.param.keys():
if self.param['default']:
self.default = self.param['default']
self.widget_group = QWidget()
slider = QSlider(Qt.Horizontal)
slider.setValue(self.default)
slider.setRange(self.param['range'][0], self.param['range'][1])
self.widget = QSpinBox()
self.widget.setValue(self.default)
self.widget.setRange(self.param['range'][0], self.param['range'][1])
self.widget.valueChanged.connect(slider.setValue)
slider.valueChanged.connect(self.widget.setValue)
h_box = QHBoxLayout()
h_box.addWidget(slider)
h_box.addWidget(self.widget)
h_box.addStretch(1)
self.widget_group.setLayout(h_box)
class IntelligentSlider(QWidget):
''' A slider that adds a 'name' attribute and calls a callback
with 'name' as an argument to the registerd callback.
This allows you to create large groups of sliders in a loop,
but still keep track of the individual events
It also prints a label below the slider.
The range of the slider is hardcoded from zero - 1000,
but it supports a conversion factor so you can scale the results'''
def __init__(self, name, a, b, callback):
QWidget.__init__(self)
self.name = name
self.callback = callback
self.a = a
self.b = b
self.manually_triggered = False
self.slider = QSlider()
self.slider.setRange(0, 1000)
self.slider.setValue(500)
self.slider.valueChanged.connect(self.slider_changed)
self.name_label = QLabel()
self.name_label.setText(self.name)
self.name_label.setAlignment(QtCore.Qt.AlignCenter)
self.value_label = QLabel()
self.value_label.setText('%2.2f' % (self.slider.value() * self.a
+ self.b))
self.value_label.setAlignment(QtCore.Qt.AlignCenter)
self.layout = QGridLayout(self)
self.layout.addWidget(self.name_label, 0, 0)
self.layout.addWidget(self.slider, 1, 0, QtCore.Qt.AlignHCenter)
self.layout.addWidget(self.value_label, 2, 0)
# bind this to the valueChanged signal of the slider
def slider_changed(self, val):
val = self.val()
self.value_label.setText(str(val)[:4])
if not self.manually_triggered:
self.callback(self.name, val)
def set_conv_fac(self, a, b):
self.a = a
self.b = b
def set_value(self, val):
self.manually_triggered = True
self.slider.setValue(int((val - self.b) / self.a))
self.value_label.setText('%2.2f' % val)
self.manually_triggered = False
def val(self):
return self.slider.value() * self.a + self.b
class IntelligentSlider(QWidget):
''' A slider that adds a 'name' attribute and calls a callback
with 'name' as an argument to the registerd callback.
This allows you to create large groups of sliders in a loop,
but still keep track of the individual events
It also prints a label below the slider.
The range of the slider is hardcoded from zero - 1000,
but it supports a conversion factor so you can scale the results'''
def __init__(self, name, a, b, callback):
QWidget.__init__(self)
self.name = name
self.callback = callback
self.a = a
self.b = b
self.manually_triggered = False
self.slider = QSlider()
self.slider.setRange(0, 1000)
self.slider.setValue(500)
self.slider.valueChanged.connect(self.slider_changed)
self.name_label = QLabel()
self.name_label.setText(self.name)
self.name_label.setAlignment(QtCore.Qt.AlignCenter)
self.value_label = QLabel()
self.value_label.setText('%2.2f' %
(self.slider.value() * self.a + self.b))
self.value_label.setAlignment(QtCore.Qt.AlignCenter)
self.layout = QGridLayout(self)
self.layout.addWidget(self.name_label, 0, 0)
self.layout.addWidget(self.slider, 1, 0, QtCore.Qt.AlignHCenter)
self.layout.addWidget(self.value_label, 2, 0)
# bind this to the valueChanged signal of the slider
def slider_changed(self, val):
val = self.val()
self.value_label.setText(str(val)[:4])
if not self.manually_triggered:
self.callback(self.name, val)
def set_conv_fac(self, a, b):
self.a = a
self.b = b
def set_value(self, val):
self.manually_triggered = True
self.slider.setValue(int((val - self.b) / self.a))
self.value_label.setText('%2.2f' % val)
self.manually_triggered = False
def val(self):
return self.slider.value() * self.a + self.b
def createSlider(self):
slider = QSlider(Qt.Vertical)
slider.setRange(0, 360 * 16)
slider.setSingleStep(16)
slider.setPageStep(15 * 16)
slider.setTickInterval(15 * 16)
slider.setTickPosition(QSlider.TicksRight)
return slider
def createZoomSlider(self):
slider = QSlider(Qt.Vertical)
slider.setRange(1, 1000000)
slider.setSingleStep(1)
slider.setPageStep(10)
slider.setTickInterval(10)
slider.setTickPosition(QSlider.TicksRight)
return slider
class SliderWidget(HLayoutMixin, LineEditWidget):
"""
IntItem with Slider
"""
DATA_TYPE = int
def __init__(self, item, parent_layout):
super(SliderWidget, self).__init__(item, parent_layout)
self.slider = self.vmin = self.vmax = None
if item.get_prop_value("display", "slider"):
self.vmin = item.get_prop_value("data", "min")
self.vmax = item.get_prop_value("data", "max")
assert (
self.vmin is not None and self.vmax is not None
), "SliderWidget requires that item min/max have been defined"
self.slider = QSlider()
self.slider.setOrientation(Qt.Horizontal)
self.setup_slider(item)
self.slider.valueChanged.connect(self.value_changed)
self.group.addWidget(self.slider)
def value_to_slider(self, value):
return value
def slider_to_value(self, value):
return value
def setup_slider(self, item):
self.slider.setRange(self.vmin, self.vmax)
def update(self, value):
"""Reimplement LineEditWidget method"""
LineEditWidget.update(self, value)
if self.slider is not None and isinstance(value, self.DATA_TYPE):
self.slider.blockSignals(True)
self.slider.setValue(self.value_to_slider(value))
self.slider.blockSignals(False)
def value_changed(self, ivalue):
"""Update the lineedit"""
value = str(self.slider_to_value(ivalue))
self.edit.setText(value)
self.update(value)
def open_perspective_popup(self):
"""Show a slider to control the viewer `camera.perspective`."""
if self.viewer.dims.ndisplay != 3:
return
# make slider connected to perspective parameter
sld = QSlider(Qt.Horizontal, self)
sld.setRange(0, max(90, self.viewer.camera.perspective))
sld.setValue(self.viewer.camera.perspective)
sld.valueChanged.connect(
lambda v: setattr(self.viewer.camera, 'perspective', v))
# make layout
layout = QHBoxLayout()
layout.addWidget(QLabel(trans._('Perspective'), self))
layout.addWidget(sld)
# popup and show
pop = QtPopup(self)
pop.frame.setLayout(layout)
pop.show_above_mouse()
def __init__(self, parent):
super(MainWidget, self).__init__(parent)
self._layout = QHBoxLayout(self)
self.setLayout(self._layout)
roundbar = QRoundProgressBar(self)
roundbar.setBarStyle(QRoundProgressBar.BarStyle.PIE)
roundbar.setFixedWidth(300)
roundbar.setFixedHeight(300)
roundbar.setDecimals(1)
self._layout.addWidget(roundbar)
self._controlWidget = QWidget(self)
self._controlWidget.setMaximumHeight(200)
self._controlWidgetLayout = QFormLayout(self._controlWidget)
self._controlWidget.setLayout(self._controlWidgetLayout)
bar_style_label = QLabel("Bar style", self._controlWidget)
style = QPushButton(self._controlWidget)
style.setText("Change bar style")
self._controlWidgetLayout.addRow(bar_style_label, style)
app_style_label = QLabel("App style", self._controlWidget)
picker = StylePickerHorizontal(self._controlWidget)
self._controlWidgetLayout.addRow(app_style_label, picker)
style.clicked.connect(lambda: roundbar.setBarStyle(get_style()))
slider_label = QLabel("Progress", self._controlWidget)
slider = QSlider(Qt.Horizontal, self._controlWidget)
slider.setRange(0, 100)
slider.valueChanged.connect(roundbar.setValue)
slider.setValue(28)
self._controlWidgetLayout.addRow(slider_label, slider)
self._layout.addWidget(self._controlWidget)
class Dimension(QWidget):
stateChanged = Signal(int)
valueChanged = Signal()
"""
pass in dimension
state: one of (State.X, State.Y, State.NONE, State.DISABLE)
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().__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.editingFinished.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)
if self.nbins < 2:
state = State.DISABLE
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()
elif self.state == State.NONE:
self.x.setChecked(False)
self.y.setChecked(False)
self.slider.show()
self.spinbox.show()
self.units.show()
else:
self.x.setChecked(False)
self.x.setDisabled(True)
self.y.setChecked(False)
self.y.setDisabled(True)
self.slider.hide()
self.spinbox.show()
self.spinbox.setDisabled(True)
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()
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
class EditGeometryProperties(PyDialog):
force = True
def __init__(self, data, win_parent=None):
"""
+------------------+
| Edit Actor Props |
+------------------+------+
| Name1 |
| Name2 |
| Name3 |
| Name4 |
| |
| Active_Name main |
| Color box |
| Line_Width 2 |
| Point_Size 2 |
| Bar_Scale 2 |
| Opacity 0.5 |
| Show/Hide |
| |
| Apply OK Cancel |
+-------------------------+
"""
PyDialog.__init__(self, data, win_parent)
self.set_font_size(data['font_size'])
del self.out_data['font_size']
self.setWindowTitle('Edit Geometry Properties')
self.allow_update = True
#default
#self.win_parent = win_parent
#self.out_data = data
self.keys = sorted(data.keys())
self.keys = data.keys()
keys = self.keys
#nrows = len(keys)
self.active_key = 'main'
items = list(keys)
header_labels = ['Groups']
table_model = Model(items, header_labels, self)
view = SingleChoiceQTableView(self) #Call your custom QTableView here
view.setModel(table_model)
#if qt_version == 4:
#view.horizontalHeader().setSectionResizeMode(QHeaderView.Stretch)
self.table = view
#self.opacity_edit.valueChanged.connect(self.on_opacity)
#mListWidget, SIGNAL(itemClicked(QListWidgetItem*)), this, SLOT(itemClicked(QListWidgetItem*)));
#self.table.itemClicked.connect(self.table.mouseDoubleClickEvent)
actor_obj = data[self.active_key]
name = actor_obj.name
line_width = actor_obj.line_width
point_size = actor_obj.point_size
bar_scale = actor_obj.bar_scale
opacity = actor_obj.opacity
color = actor_obj.color
show = actor_obj.is_visible
self.representation = actor_obj.representation
# table
header = self.table.horizontalHeader()
header.setStretchLastSection(True)
self._default_is_apply = False
self.name = QLabel("Name:")
self.name_edit = QLineEdit(str(name))
self.name_edit.setDisabled(True)
self.color = QLabel("Color:")
self.color_edit = QPushButton()
#self.color_edit.setFlat(True)
color = self.out_data[self.active_key].color
qcolor = QtGui.QColor()
qcolor.setRgb(*color)
#print('color =%s' % str(color))
palette = QtGui.QPalette(self.color_edit.palette()) # make a copy of the palette
#palette.setColor(QtGui.QPalette.Active, QtGui.QPalette.Base, \
#qcolor)
palette.setColor(QtGui.QPalette.Background, QtGui.QColor('blue')) # ButtonText
self.color_edit.setPalette(palette)
self.color_edit.setStyleSheet("QPushButton {"
"background-color: rgb(%s, %s, %s);" % tuple(color) +
#"border:1px solid rgb(255, 170, 255); "
"}")
self.use_slider = True
self.is_opacity_edit_active = False
self.is_opacity_edit_slider_active = False
self.is_line_width_edit_active = False
self.is_line_width_edit_slider_active = False
self.is_point_size_edit_active = False
self.is_point_size_edit_slider_active = False
self.is_bar_scale_edit_active = False
self.is_bar_scale_edit_slider_active = False
self.opacity = QLabel("Opacity:")
self.opacity_edit = QDoubleSpinBox(self)
self.opacity_edit.setRange(0.1, 1.0)
self.opacity_edit.setDecimals(1)
self.opacity_edit.setSingleStep(0.1)
self.opacity_edit.setValue(opacity)
if self.use_slider:
self.opacity_slider_edit = QSlider(QtCore.Qt.Horizontal)
self.opacity_slider_edit.setRange(1, 10)
self.opacity_slider_edit.setValue(opacity * 10)
self.opacity_slider_edit.setTickInterval(1)
self.opacity_slider_edit.setTickPosition(QSlider.TicksBelow)
self.line_width = QLabel("Line Width:")
self.line_width_edit = QSpinBox(self)
self.line_width_edit.setRange(1, MAX_LINE_WIDTH)
self.line_width_edit.setSingleStep(1)
self.line_width_edit.setValue(line_width)
if self.use_slider:
self.line_width_slider_edit = QSlider(QtCore.Qt.Horizontal)
self.line_width_slider_edit.setRange(1, MAX_LINE_WIDTH)
self.line_width_slider_edit.setValue(line_width)
self.line_width_slider_edit.setTickInterval(1)
self.line_width_slider_edit.setTickPosition(QSlider.TicksBelow)
if self.representation in ['point', 'surface']:
self.line_width.setEnabled(False)
self.line_width_edit.setEnabled(False)
self.line_width_slider_edit.setEnabled(False)
self.point_size = QLabel("Point Size:")
self.point_size_edit = QSpinBox(self)
self.point_size_edit.setRange(1, MAX_POINT_SIZE)
self.point_size_edit.setSingleStep(1)
self.point_size_edit.setValue(point_size)
self.point_size.setVisible(False)
self.point_size_edit.setVisible(False)
if self.use_slider:
self.point_size_slider_edit = QSlider(QtCore.Qt.Horizontal)
self.point_size_slider_edit.setRange(1, MAX_POINT_SIZE)
self.point_size_slider_edit.setValue(point_size)
self.point_size_slider_edit.setTickInterval(1)
self.point_size_slider_edit.setTickPosition(QSlider.TicksBelow)
self.point_size_slider_edit.setVisible(False)
if self.representation in ['wire', 'surface']:
self.point_size.setEnabled(False)
self.point_size_edit.setEnabled(False)
if self.use_slider:
self.point_size_slider_edit.setEnabled(False)
self.bar_scale = QLabel("Bar Scale:")
self.bar_scale_edit = QDoubleSpinBox(self)
#self.bar_scale_edit.setRange(0.01, 1.0) # was 0.1
#self.bar_scale_edit.setRange(0.05, 5.0)
self.bar_scale_edit.setDecimals(1)
#self.bar_scale_edit.setSingleStep(bar_scale / 10.)
self.bar_scale_edit.setSingleStep(0.1)
self.bar_scale_edit.setValue(bar_scale)
#if self.use_slider:
#self.bar_scale_slider_edit = QSlider(QtCore.Qt.Horizontal)
#self.bar_scale_slider_edit.setRange(1, 100) # 1/0.05 = 100/5.0
#self.bar_scale_slider_edit.setValue(opacity * 0.05)
#self.bar_scale_slider_edit.setTickInterval(10)
#self.bar_scale_slider_edit.setTickPosition(QSlider.TicksBelow)
if self.representation != 'bar':
self.bar_scale.setEnabled(False)
self.bar_scale_edit.setEnabled(False)
self.bar_scale.setVisible(False)
self.bar_scale_edit.setVisible(False)
#self.bar_scale_slider_edit.setVisible(False)
#self.bar_scale_slider_edit.setEnabled(False)
# show/hide
self.checkbox_show = QCheckBox("Show")
self.checkbox_hide = QCheckBox("Hide")
self.checkbox_show.setChecked(show)
self.checkbox_hide.setChecked(not show)
if name == 'main':
self.color.setEnabled(False)
self.color_edit.setEnabled(False)
self.point_size.setEnabled(False)
self.point_size_edit.setEnabled(False)
if self.use_slider:
self.point_size_slider_edit.setEnabled(False)
self.cancel_button = QPushButton("Close")
self.create_layout()
self.set_connections()
def on_delete(self, irow):
"""deletes an actor based on the row number"""
if irow == 0: # main
return
nkeys = len(self.keys)
if nkeys in [0, 1]:
return
name = self.keys[irow]
nrows = nkeys - 1
self.keys.pop(irow)
header_labels = ['Groups']
table_model = Model(self.keys, header_labels, self)
self.table.setModel(table_model)
if len(self.keys) == 0:
self.update()
self.set_as_null()
return
if irow == nrows:
irow -= 1
new_name = self.keys[irow]
self.update_active_name(new_name)
if self.is_gui:
self.win_parent.delete_actor(name)
def set_as_null(self):
"""sets the null case"""
self.name.setVisible(False)
self.name_edit.setVisible(False)
self.color.setVisible(False)
self.color_edit.setVisible(False)
self.line_width.setVisible(False)
self.line_width_edit.setVisible(False)
self.point_size.setVisible(False)
self.point_size_edit.setVisible(False)
self.bar_scale.setVisible(False)
self.bar_scale_edit.setVisible(False)
self.opacity.setVisible(False)
self.opacity_edit.setVisible(False)
self.opacity_slider_edit.setVisible(False)
self.point_size_slider_edit.setVisible(False)
self.line_width_slider_edit.setVisible(False)
self.checkbox_show.setVisible(False)
self.checkbox_hide.setVisible(False)
def on_update_geometry_properties_window(self, data):
"""Not Implemented"""
return
#new_keys = sorted(data.keys())
#if self.active_key in new_keys:
#i = new_keys.index(self.active_key)
#else:
#i = 0
#self.table.update_data(new_keys)
#self.out_data = data
#self.update_active_key(i)
def update_active_key(self, index):
"""
Parameters
----------
index : PyQt4.QtCore.QModelIndex
the index of the list
Internal Parameters
-------------------
name : str
the name of obj
obj : CoordProperties, AltGeometry
the storage object for things like line_width, point_size, etc.
"""
name = str(index.data())
#print('name = %r' % name)
#i = self.keys.index(self.active_key)
self.update_active_name(name)
def update_active_name(self, name):
self.active_key = name
self.name_edit.setText(name)
obj = self.out_data[name]
if isinstance(obj, CoordProperties):
opacity = 1.0
representation = 'coord'
is_visible = obj.is_visible
elif isinstance(obj, AltGeometry):
line_width = obj.line_width
point_size = obj.point_size
bar_scale = obj.bar_scale
opacity = obj.opacity
representation = obj.representation
is_visible = obj.is_visible
self.color_edit.setStyleSheet("QPushButton {"
"background-color: rgb(%s, %s, %s);" % tuple(obj.color) +
#"border:1px solid rgb(255, 170, 255); "
"}")
self.allow_update = False
self.force = False
self.line_width_edit.setValue(line_width)
self.point_size_edit.setValue(point_size)
self.bar_scale_edit.setValue(bar_scale)
self.force = True
self.allow_update = True
else:
raise NotImplementedError(obj)
#allowed_representations = [
#'main', 'surface', 'coord', 'toggle', 'wire', 'point', 'bar']
if self.representation != representation:
self.representation = representation
#if representation not in allowed_representations:
#msg = 'name=%r; representation=%r is invalid\nrepresentations=%r' % (
#name, representation, allowed_representations)
if self.representation == 'coord':
self.color.setVisible(False)
self.color_edit.setVisible(False)
self.line_width.setVisible(False)
self.line_width_edit.setVisible(False)
self.point_size.setVisible(False)
self.point_size_edit.setVisible(False)
self.bar_scale.setVisible(False)
self.bar_scale_edit.setVisible(False)
self.opacity.setVisible(False)
self.opacity_edit.setVisible(False)
if self.use_slider:
self.opacity_slider_edit.setVisible(False)
self.point_size_slider_edit.setVisible(False)
self.line_width_slider_edit.setVisible(False)
#self.bar_scale_slider_edit.setVisible(False)
else:
self.color.setVisible(True)
self.color_edit.setVisible(True)
self.line_width.setVisible(True)
self.line_width_edit.setVisible(True)
self.point_size.setVisible(True)
self.point_size_edit.setVisible(True)
self.bar_scale.setVisible(True)
#self.bar_scale_edit.setVisible(True)
self.opacity.setVisible(True)
self.opacity_edit.setVisible(True)
if self.use_slider:
self.opacity_slider_edit.setVisible(True)
self.line_width_slider_edit.setVisible(True)
self.point_size_slider_edit.setVisible(True)
#self.bar_scale_slider_edit.setVisible(True)
if name == 'main':
self.color.setEnabled(False)
self.color_edit.setEnabled(False)
self.point_size.setEnabled(False)
self.point_size_edit.setEnabled(False)
self.line_width.setEnabled(True)
self.line_width_edit.setEnabled(True)
self.bar_scale.setEnabled(False)
self.bar_scale_edit.setEnabled(False)
show_points = False
show_line_width = True
show_bar_scale = False
if self.use_slider:
self.line_width_slider_edit.setEnabled(True)
#self.bar_scale_slider_edit.setVisible(False)
else:
self.color.setEnabled(True)
self.color_edit.setEnabled(True)
show_points = False
if self.representation in ['point', 'wire+point']:
show_points = True
show_line_width = False
if self.representation in ['wire', 'wire+point', 'bar', 'toggle']:
show_line_width = True
if representation == 'bar':
show_bar_scale = True
else:
show_bar_scale = False
#self.bar_scale_button.setVisible(show_bar_scale)
#self.bar_scale_edit.setSingleStep(bar_scale / 10.)
#if self.use_slider:
#self.bar_scale_slider_edit.setEnabled(False)
self.point_size.setEnabled(show_points)
self.point_size_edit.setEnabled(show_points)
self.point_size.setVisible(show_points)
self.point_size_edit.setVisible(show_points)
self.line_width.setEnabled(show_line_width)
self.line_width_edit.setEnabled(show_line_width)
self.bar_scale.setEnabled(show_bar_scale)
self.bar_scale_edit.setEnabled(show_bar_scale)
self.bar_scale.setVisible(show_bar_scale)
self.bar_scale_edit.setVisible(show_bar_scale)
if self.use_slider:
self.point_size_slider_edit.setEnabled(show_points)
self.point_size_slider_edit.setVisible(show_points)
self.line_width_slider_edit.setEnabled(show_line_width)
#if self.representation in ['wire', 'surface']:
self.opacity_edit.setValue(opacity)
#if self.use_slider:
#self.opacity_slider_edit.setValue(opacity*10)
self.checkbox_show.setChecked(is_visible)
self.checkbox_hide.setChecked(not is_visible)
passed = self.on_validate()
#self.on_apply(force=True) # TODO: was turned on...do I want this???
#self.allow_update = True
def create_layout(self):
ok_cancel_box = QHBoxLayout()
ok_cancel_box.addWidget(self.cancel_button)
grid = QGridLayout()
irow = 0
grid.addWidget(self.name, irow, 0)
grid.addWidget(self.name_edit, irow, 1)
irow += 1
grid.addWidget(self.color, irow, 0)
grid.addWidget(self.color_edit, irow, 1)
irow += 1
grid.addWidget(self.opacity, irow, 0)
if self.use_slider:
grid.addWidget(self.opacity_edit, irow, 2)
grid.addWidget(self.opacity_slider_edit, irow, 1)
else:
grid.addWidget(self.opacity_edit, irow, 1)
irow += 1
grid.addWidget(self.line_width, irow, 0)
if self.use_slider:
grid.addWidget(self.line_width_edit, irow, 2)
grid.addWidget(self.line_width_slider_edit, irow, 1)
else:
grid.addWidget(self.line_width_edit, irow, 1)
irow += 1
grid.addWidget(self.point_size, irow, 0)
if self.use_slider:
grid.addWidget(self.point_size_edit, irow, 2)
grid.addWidget(self.point_size_slider_edit, irow, 1)
else:
grid.addWidget(self.point_size_edit, irow, 1)
irow += 1
grid.addWidget(self.bar_scale, irow, 0)
if self.use_slider and 0:
grid.addWidget(self.bar_scale_edit, irow, 2)
grid.addWidget(self.bar_scale_slider_edit, irow, 1)
else:
grid.addWidget(self.bar_scale_edit, irow, 1)
irow += 1
checkboxs = QButtonGroup(self)
checkboxs.addButton(self.checkbox_show)
checkboxs.addButton(self.checkbox_hide)
vbox = QVBoxLayout()
vbox.addWidget(self.table, stretch=1)
vbox.addLayout(grid)
vbox1 = QVBoxLayout()
vbox1.addWidget(self.checkbox_show)
vbox1.addWidget(self.checkbox_hide)
vbox.addLayout(vbox1)
vbox.addStretch()
#vbox.addWidget(self.check_apply)
vbox.addLayout(ok_cancel_box)
self.setLayout(vbox)
def set_connections(self):
self.opacity_edit.valueChanged.connect(self.on_opacity)
self.line_width_edit.valueChanged.connect(self.on_line_width)
self.point_size_edit.valueChanged.connect(self.on_point_size)
self.bar_scale_edit.valueChanged.connect(self.on_bar_scale)
if self.use_slider:
self.opacity_slider_edit.valueChanged.connect(self.on_opacity_slider)
self.line_width_slider_edit.valueChanged.connect(self.on_line_width_slider)
self.point_size_slider_edit.valueChanged.connect(self.on_point_size_slider)
#self.bar_scale_slider_edit.valueChanged.connect(self.on_bar_scale_slider)
# self.connect(self.opacity_edit, QtCore.SIGNAL('clicked()'), self.on_opacity)
# self.connect(self.line_width, QtCore.SIGNAL('clicked()'), self.on_line_width)
# self.connect(self.point_size, QtCore.SIGNAL('clicked()'), self.on_point_size)
if qt_version == 4:
self.connect(self, QtCore.SIGNAL('triggered()'), self.closeEvent)
self.color_edit.clicked.connect(self.on_color)
self.checkbox_show.clicked.connect(self.on_show)
self.checkbox_hide.clicked.connect(self.on_hide)
self.cancel_button.clicked.connect(self.on_cancel)
# closeEvent
def keyPressEvent(self, event):
if event.key() == QtCore.Qt.Key_Escape:
self.close()
def closeEvent(self, event):
self.on_cancel()
def on_color(self):
"""called when the user clicks on the color box"""
name = self.active_key
obj = self.out_data[name]
rgb_color_ints = obj.color
msg = name
col = QColorDialog.getColor(QtGui.QColor(*rgb_color_ints), self, "Choose a %s color" % msg)
if col.isValid():
color_float = col.getRgbF()[:3]
obj.color = color_float
color_int = [int(colori * 255) for colori in color_float]
self.color_edit.setStyleSheet("QPushButton {"
"background-color: rgb(%s, %s, %s);" % tuple(color_int) +
#"border:1px solid rgb(255, 170, 255); "
"}")
self.on_apply(force=self.force)
#print(self.allow_update)
def on_show(self):
"""shows the actor"""
name = self.active_key
is_checked = self.checkbox_show.isChecked()
self.out_data[name].is_visible = is_checked
self.on_apply(force=self.force)
def on_hide(self):
"""hides the actor"""
name = self.active_key
is_checked = self.checkbox_hide.isChecked()
self.out_data[name].is_visible = not is_checked
self.on_apply(force=self.force)
def on_line_width(self):
"""increases/decreases the wireframe (for solid bodies) or the bar thickness"""
self.is_line_width_edit_active = True
name = self.active_key
line_width = self.line_width_edit.value()
self.out_data[name].line_width = line_width
if not self.is_line_width_edit_slider_active:
if self.use_slider:
self.line_width_slider_edit.setValue(line_width)
self.is_line_width_edit_active = False
self.on_apply(force=self.force)
self.is_line_width_edit_active = False
def on_line_width_slider(self):
"""increases/decreases the wireframe (for solid bodies) or the bar thickness"""
self.is_line_width_edit_slider_active = True
#name = self.active_key
line_width = self.line_width_slider_edit.value()
if not self.is_line_width_edit_active:
self.line_width_edit.setValue(line_width)
self.is_line_width_edit_slider_active = False
def on_point_size(self):
"""increases/decreases the point size"""
self.is_point_size_edit_active = True
name = self.active_key
point_size = self.point_size_edit.value()
self.out_data[name].point_size = point_size
if not self.is_point_size_edit_slider_active:
if self.use_slider:
self.point_size_slider_edit.setValue(point_size)
self.is_point_size_edit_active = False
self.on_apply(force=self.force)
self.is_point_size_edit_active = False
def on_point_size_slider(self):
"""increases/decreases the point size"""
self.is_point_size_edit_slider_active = True
#name = self.active_key
point_size = self.point_size_slider_edit.value()
if not self.is_point_size_edit_active:
self.point_size_edit.setValue(point_size)
self.is_point_size_edit_slider_active = False
def on_bar_scale(self):
"""
Vectors start at some xyz coordinate and can increase in length.
Increases/decreases the length scale factor.
"""
self.is_bar_scale_edit_active = True
name = self.active_key
float_bar_scale = self.bar_scale_edit.value()
self.out_data[name].bar_scale = float_bar_scale
if not self.is_bar_scale_edit_slider_active:
#int_bar_scale = int(round(float_bar_scale * 20, 0))
#if self.use_slider:
#self.bar_scale_slider_edit.setValue(int_bar_scale)
self.is_bar_scale_edit_active = False
self.on_apply(force=self.force)
self.is_bar_scale_edit_active = False
def on_bar_scale_slider(self):
"""
Vectors start at some xyz coordinate and can increase in length.
Increases/decreases the length scale factor.
"""
self.is_bar_scale_edit_slider_active = True
#name = self.active_key
int_bar_scale = self.bar_scale_slider_edit.value()
if not self.is_bar_scale_edit_active:
float_bar_scale = int_bar_scale / 20.
self.bar_scale_edit.setValue(float_bar_scale)
self.is_bar_scale_edit_slider_active = False
def on_opacity(self):
"""
opacity = 1.0 (solid/opaque)
opacity = 0.0 (invisible)
"""
self.is_opacity_edit_active = True
name = self.active_key
float_opacity = self.opacity_edit.value()
self.out_data[name].opacity = float_opacity
if not self.is_opacity_edit_slider_active:
int_opacity = int(round(float_opacity * 10, 0))
if self.use_slider:
self.opacity_slider_edit.setValue(int_opacity)
self.is_opacity_edit_active = False
self.on_apply(force=self.force)
self.is_opacity_edit_active = False
def on_opacity_slider(self):
"""
opacity = 1.0 (solid/opaque)
opacity = 0.0 (invisible)
"""
self.is_opacity_edit_slider_active = True
#name = self.active_key
int_opacity = self.opacity_slider_edit.value()
if not self.is_opacity_edit_active:
float_opacity = int_opacity / 10.
self.opacity_edit.setValue(float_opacity)
self.is_opacity_edit_slider_active = False
def on_validate(self):
self.out_data['clicked_ok'] = True
self.out_data['clicked_cancel'] = False
old_obj = self.out_data[self.active_key]
old_obj.line_width = self.line_width_edit.value()
old_obj.point_size = self.point_size_edit.value()
old_obj.bar_scale = self.bar_scale_edit.value()
old_obj.opacity = self.opacity_edit.value()
#old_obj.color = self.color_edit
old_obj.is_visible = self.checkbox_show.isChecked()
return True
#name_value, flag0 = self.check_name(self.name_edit)
#ox_value, flag1 = self.check_float(self.transparency_edit)
#if flag0 and flag1:
#self.out_data['clicked_ok'] = True
#return True
#return False
@property
def is_gui(self):
return hasattr(self.win_parent, 'on_update_geometry_properties')
def on_apply(self, force=False):
passed = self.on_validate()
#print("passed=%s force=%s allow=%s" % (passed, force, self.allow_update))
if (passed or force) and self.allow_update and self.is_gui:
#print('obj = %s' % self.out_data[self.active_key])
self.win_parent.on_update_geometry_properties(self.out_data, name=self.active_key)
return passed
def on_cancel(self):
passed = self.on_apply(force=True)
if passed:
self.close()
class FitParam(object):
def __init__(
self,
name,
value,
min,
max,
logscale=False,
steps=5000,
format="%.3f",
size_offset=0,
unit="",
):
self.name = name
self.value = value
self.min = min
self.max = max
self.logscale = logscale
self.steps = steps
self.format = format
self.unit = unit
self.prefix_label = None
self.lineedit = None
self.unit_label = None
self.slider = None
self.button = None
self._widgets = []
self._size_offset = size_offset
self._refresh_callback = None
self.dataset = FitParamDataSet(title=_("Curve fitting parameter"))
def copy(self):
"""Return a copy of this fitparam"""
return self.__class__(
self.name,
self.value,
self.min,
self.max,
self.logscale,
self.steps,
self.format,
self._size_offset,
self.unit,
)
def create_widgets(self, parent, refresh_callback):
self._refresh_callback = refresh_callback
self.prefix_label = QLabel()
font = self.prefix_label.font()
font.setPointSize(font.pointSize() + self._size_offset)
self.prefix_label.setFont(font)
self.button = QPushButton()
self.button.setIcon(get_icon("settings.png"))
self.button.setToolTip(
_("Edit '%s' fit parameter properties") % self.name)
self.button.clicked.connect(lambda: self.edit_param(parent))
self.lineedit = QLineEdit()
self.lineedit.editingFinished.connect(self.line_editing_finished)
self.unit_label = QLabel(self.unit)
self.slider = QSlider()
self.slider.setOrientation(Qt.Horizontal)
self.slider.setRange(0, self.steps - 1)
self.slider.valueChanged.connect(self.slider_value_changed)
self.update(refresh=False)
self.add_widgets([
self.prefix_label,
self.lineedit,
self.unit_label,
self.slider,
self.button,
])
def add_widgets(self, widgets):
self._widgets += widgets
def get_widgets(self):
return self._widgets
def set_scale(self, state):
self.logscale = state > 0
self.update_slider_value()
def set_text(self, fmt=None):
style = "<span style='color: #444444'><b>%s</b></span>"
self.prefix_label.setText(style % self.name)
if self.value is None:
value_str = ""
else:
if fmt is None:
fmt = self.format
value_str = fmt % self.value
self.lineedit.setText(value_str)
self.lineedit.setDisabled(self.value == self.min
and self.max == self.min)
def line_editing_finished(self):
try:
self.value = float(self.lineedit.text())
except ValueError:
self.set_text()
self.update_slider_value()
self._refresh_callback()
def slider_value_changed(self, int_value):
if self.logscale:
total_delta = np.log10(1 + self.max - self.min)
self.value = (self.min + 10**(total_delta * int_value /
(self.steps - 1)) - 1)
else:
total_delta = self.max - self.min
self.value = self.min + total_delta * int_value / (self.steps - 1)
self.set_text()
self._refresh_callback()
def update_slider_value(self):
if self.value is None or self.min is None or self.max is None:
self.slider.setEnabled(False)
if self.slider.parent() and self.slider.parent().isVisible():
self.slider.show()
elif self.value == self.min and self.max == self.min:
self.slider.hide()
else:
self.slider.setEnabled(True)
if self.slider.parent() and self.slider.parent().isVisible():
self.slider.show()
if self.logscale:
value_delta = max([np.log10(1 + self.value - self.min), 0.0])
total_delta = np.log10(1 + self.max - self.min)
else:
value_delta = self.value - self.min
total_delta = self.max - self.min
intval = int(self.steps * value_delta / total_delta)
self.slider.blockSignals(True)
self.slider.setValue(intval)
self.slider.blockSignals(False)
def edit_param(self, parent):
update_dataset(self.dataset, self)
if self.dataset.edit(parent=parent):
restore_dataset(self.dataset, self)
if self.value > self.max:
self.max = self.value
if self.value < self.min:
self.min = self.value
self.update()
def update(self, refresh=True):
self.unit_label.setText(self.unit)
self.slider.setRange(0, self.steps - 1)
self.update_slider_value()
self.set_text()
if refresh:
self._refresh_callback()
class PyDMChartingDisplay(Display):
def __init__(self, parent=None, args=[], macros=None):
"""
Create all the widgets, including any child dialogs.
Parameters
----------
parent : QWidget
The parent widget of the charting display
args : list
The command parameters
macros : str
Macros to modify the UI parameters at runtime
"""
super(PyDMChartingDisplay, self).__init__(parent=parent,
args=args,
macros=macros)
self.channel_map = dict()
self.setWindowTitle("PyDM Charting Tool")
self.main_layout = QVBoxLayout()
self.body_layout = QVBoxLayout()
self.pv_layout = QHBoxLayout()
self.pv_name_line_edt = QLineEdit()
self.pv_name_line_edt.setAcceptDrops(True)
self.pv_name_line_edt.installEventFilter(self)
self.pv_protocol_cmb = QComboBox()
self.pv_protocol_cmb.addItems(["ca://", "archive://"])
self.pv_connect_push_btn = QPushButton("Connect")
self.pv_connect_push_btn.clicked.connect(self.add_curve)
self.tab_panel = QTabWidget()
self.tab_panel.setMaximumWidth(450)
self.curve_settings_tab = QWidget()
self.chart_settings_tab = QWidget()
self.charting_layout = QHBoxLayout()
self.chart = PyDMTimePlot(plot_by_timestamps=False, plot_display=self)
self.chart.setPlotTitle("Time Plot")
self.splitter = QSplitter()
self.curve_settings_layout = QVBoxLayout()
self.curve_settings_layout.setAlignment(Qt.AlignTop)
self.curve_settings_layout.setSizeConstraint(QLayout.SetMinAndMaxSize)
self.curve_settings_layout.setSpacing(5)
self.crosshair_settings_layout = QVBoxLayout()
self.crosshair_settings_layout.setAlignment(Qt.AlignTop)
self.crosshair_settings_layout.setSpacing(5)
self.enable_crosshair_chk = QCheckBox("Enable Crosshair")
self.cross_hair_coord_lbl = QLabel()
self.curve_settings_inner_frame = QFrame()
self.curve_settings_inner_frame.setLayout(self.curve_settings_layout)
self.curve_settings_scroll = QScrollArea()
self.curve_settings_scroll.setVerticalScrollBarPolicy(
Qt.ScrollBarAsNeeded)
self.curve_settings_scroll.setWidget(self.curve_settings_inner_frame)
self.curves_tab_layout = QHBoxLayout()
self.curves_tab_layout.addWidget(self.curve_settings_scroll)
self.enable_crosshair_chk.setChecked(False)
self.enable_crosshair_chk.clicked.connect(
self.handle_enable_crosshair_checkbox_clicked)
self.enable_crosshair_chk.clicked.emit(False)
self.chart_settings_layout = QVBoxLayout()
self.chart_settings_layout.setAlignment(Qt.AlignTop)
self.chart_layout = QVBoxLayout()
self.chart_panel = QWidget()
self.chart_control_layout = QHBoxLayout()
self.chart_control_layout.setAlignment(Qt.AlignHCenter)
self.chart_control_layout.setSpacing(10)
self.view_all_btn = QPushButton("View All")
self.view_all_btn.clicked.connect(self.handle_view_all_button_clicked)
self.view_all_btn.setEnabled(False)
self.auto_scale_btn = QPushButton("Auto Scale")
self.auto_scale_btn.clicked.connect(self.handle_auto_scale_btn_clicked)
self.auto_scale_btn.setEnabled(False)
self.reset_chart_btn = QPushButton("Reset")
self.reset_chart_btn.clicked.connect(
self.handle_reset_chart_btn_clicked)
self.reset_chart_btn.setEnabled(False)
self.resume_chart_text = "Resume"
self.pause_chart_text = "Pause"
self.pause_chart_btn = QPushButton(self.pause_chart_text)
self.pause_chart_btn.clicked.connect(
self.handle_pause_chart_btn_clicked)
self.title_settings_layout = QVBoxLayout()
self.title_settings_layout.setSpacing(10)
self.title_settings_grpbx = QGroupBox()
self.title_settings_grpbx.setFixedHeight(150)
self.import_data_btn = QPushButton("Import Data...")
self.import_data_btn.clicked.connect(
self.handle_import_data_btn_clicked)
self.export_data_btn = QPushButton("Export Data...")
self.export_data_btn.clicked.connect(
self.handle_export_data_btn_clicked)
self.chart_title_lbl = QLabel(text="Chart Title")
self.chart_title_line_edt = QLineEdit()
self.chart_title_line_edt.setText(self.chart.getPlotTitle())
self.chart_title_line_edt.textChanged.connect(
self.handle_title_text_changed)
self.chart_change_axis_settings_btn = QPushButton(
text="Change Axis Settings...")
self.chart_change_axis_settings_btn.clicked.connect(
self.handle_change_axis_settings_clicked)
self.update_datetime_timer = QTimer(self)
self.update_datetime_timer.timeout.connect(
self.handle_update_datetime_timer_timeout)
self.chart_sync_mode_layout = QVBoxLayout()
self.chart_sync_mode_layout.setSpacing(5)
self.chart_sync_mode_grpbx = QGroupBox("Data Sampling Mode")
self.chart_sync_mode_grpbx.setFixedHeight(80)
self.chart_sync_mode_sync_radio = QRadioButton("Synchronous")
self.chart_sync_mode_async_radio = QRadioButton("Asynchronous")
self.chart_sync_mode_async_radio.setChecked(True)
self.graph_drawing_settings_layout = QVBoxLayout()
self.chart_redraw_rate_lbl = QLabel("Redraw Rate (Hz)")
self.chart_redraw_rate_spin = QSpinBox()
self.chart_redraw_rate_spin.setRange(MIN_REDRAW_RATE_HZ,
MAX_REDRAW_RATE_HZ)
self.chart_redraw_rate_spin.setValue(DEFAULT_REDRAW_RATE_HZ)
self.chart_redraw_rate_spin.valueChanged.connect(
self.handle_redraw_rate_changed)
self.chart_data_sampling_rate_lbl = QLabel(
"Asynchronous Data Sampling Rate (Hz)")
self.chart_data_async_sampling_rate_spin = QSpinBox()
self.chart_data_async_sampling_rate_spin.setRange(
MIN_DATA_SAMPLING_RATE_HZ, MAX_DATA_SAMPLING_RATE_HZ)
self.chart_data_async_sampling_rate_spin.setValue(
DEFAULT_DATA_SAMPLING_RATE_HZ)
self.chart_data_async_sampling_rate_spin.valueChanged.connect(
self.handle_data_sampling_rate_changed)
self.chart_data_sampling_rate_lbl.hide()
self.chart_data_async_sampling_rate_spin.hide()
self.chart_limit_time_span_layout = QHBoxLayout()
self.chart_limit_time_span_layout.setSpacing(5)
self.limit_time_plan_text = "Limit Time Span"
self.chart_limit_time_span_chk = QCheckBox(self.limit_time_plan_text)
self.chart_limit_time_span_chk.hide()
self.chart_limit_time_span_lbl = QLabel("Hours : Minutes : Seconds")
self.chart_limit_time_span_hours_line_edt = QLineEdit()
self.chart_limit_time_span_minutes_line_edt = QLineEdit()
self.chart_limit_time_span_seconds_line_edt = QLineEdit()
self.chart_limit_time_span_activate_btn = QPushButton("Apply")
self.chart_limit_time_span_activate_btn.setDisabled(True)
self.chart_ring_buffer_size_lbl = QLabel("Ring Buffer Size")
self.chart_ring_buffer_size_edt = QLineEdit()
self.chart_ring_buffer_size_edt.installEventFilter(self)
self.chart_ring_buffer_size_edt.textChanged.connect(
self.handle_buffer_size_changed)
self.chart_ring_buffer_size_edt.setText(str(DEFAULT_BUFFER_SIZE))
self.show_legend_chk = QCheckBox("Show Legend")
self.show_legend_chk.setChecked(self.chart.showLegend)
self.show_legend_chk.clicked.connect(
self.handle_show_legend_checkbox_clicked)
self.graph_background_color_layout = QFormLayout()
self.background_color_lbl = QLabel("Graph Background Color ")
self.background_color_btn = QPushButton()
self.background_color_btn.setStyleSheet(
"background-color: " + self.chart.getBackgroundColor().name())
self.background_color_btn.setContentsMargins(10, 0, 5, 5)
self.background_color_btn.setMaximumWidth(20)
self.background_color_btn.clicked.connect(
self.handle_background_color_button_clicked)
self.axis_settings_layout = QVBoxLayout()
self.axis_settings_layout.setSpacing(5)
self.show_x_grid_chk = QCheckBox("Show x Grid")
self.show_x_grid_chk.setChecked(self.chart.showXGrid)
self.show_x_grid_chk.clicked.connect(
self.handle_show_x_grid_checkbox_clicked)
self.show_y_grid_chk = QCheckBox("Show y Grid")
self.show_y_grid_chk.setChecked(self.chart.showYGrid)
self.show_y_grid_chk.clicked.connect(
self.handle_show_y_grid_checkbox_clicked)
self.axis_color_lbl = QLabel("Axis and Grid Color")
self.axis_color_lbl.setEnabled(False)
self.axis_color_btn = QPushButton()
self.axis_color_btn.setStyleSheet("background-color: " +
DEFAULT_CHART_AXIS_COLOR.name())
self.axis_color_btn.setContentsMargins(10, 0, 5, 5)
self.axis_color_btn.setMaximumWidth(20)
self.axis_color_btn.clicked.connect(
self.handle_axis_color_button_clicked)
self.axis_color_btn.setEnabled(False)
self.grid_opacity_lbl = QLabel("Grid Opacity")
self.grid_opacity_lbl.setEnabled(False)
self.grid_opacity_slr = QSlider(Qt.Horizontal)
self.grid_opacity_slr.setFocusPolicy(Qt.StrongFocus)
self.grid_opacity_slr.setRange(0, 10)
self.grid_opacity_slr.setValue(5)
self.grid_opacity_slr.setTickInterval(1)
self.grid_opacity_slr.setSingleStep(1)
self.grid_opacity_slr.setTickPosition(QSlider.TicksBelow)
self.grid_opacity_slr.valueChanged.connect(
self.handle_grid_opacity_slider_mouse_release)
self.grid_opacity_slr.setEnabled(False)
self.reset_chart_settings_btn = QPushButton("Reset Chart Settings")
self.reset_chart_settings_btn.clicked.connect(
self.handle_reset_chart_settings_btn_clicked)
self.curve_checkbox_panel = QWidget()
self.graph_drawing_settings_grpbx = QGroupBox()
self.graph_drawing_settings_grpbx.setFixedHeight(270)
self.axis_settings_grpbx = QGroupBox()
self.axis_settings_grpbx.setFixedHeight(180)
self.app = QApplication.instance()
self.setup_ui()
self.curve_settings_disp = None
self.axis_settings_disp = None
self.chart_data_export_disp = None
self.chart_data_import_disp = None
self.grid_alpha = 5
self.time_span_limit_hours = None
self.time_span_limit_minutes = None
self.time_span_limit_seconds = None
self.data_sampling_mode = ASYNC_DATA_SAMPLING
def minimumSizeHint(self):
"""
The minimum recommended size of the main window.
"""
return QSize(1490, 800)
def ui_filepath(self):
"""
The path to the UI file created by Qt Designer, if applicable.
"""
# No UI file is being used
return None
def ui_filename(self):
"""
The name the UI file created by Qt Designer, if applicable.
"""
# No UI file is being used
return None
def setup_ui(self):
"""
Initialize the widgets and layouts.
"""
self.setLayout(self.main_layout)
self.pv_layout.addWidget(self.pv_protocol_cmb)
self.pv_layout.addWidget(self.pv_name_line_edt)
self.pv_layout.addWidget(self.pv_connect_push_btn)
QTimer.singleShot(0, self.pv_name_line_edt.setFocus)
self.curve_settings_tab.setLayout(self.curves_tab_layout)
self.chart_settings_tab.setLayout(self.chart_settings_layout)
self.setup_chart_settings_layout()
self.tab_panel.addTab(self.curve_settings_tab, "Curves")
self.tab_panel.addTab(self.chart_settings_tab, "Chart")
self.tab_panel.hide()
self.crosshair_settings_layout.addWidget(self.enable_crosshair_chk)
self.crosshair_settings_layout.addWidget(self.cross_hair_coord_lbl)
self.chart_control_layout.addWidget(self.auto_scale_btn)
self.chart_control_layout.addWidget(self.view_all_btn)
self.chart_control_layout.addWidget(self.reset_chart_btn)
self.chart_control_layout.addWidget(self.pause_chart_btn)
self.chart_control_layout.addLayout(self.crosshair_settings_layout)
self.chart_control_layout.addWidget(self.import_data_btn)
self.chart_control_layout.addWidget(self.export_data_btn)
self.chart_control_layout.setStretch(4, 15)
self.chart_control_layout.insertSpacing(5, 350)
self.chart_layout.addWidget(self.chart)
self.chart_layout.addLayout(self.chart_control_layout)
self.chart_panel.setLayout(self.chart_layout)
self.splitter.addWidget(self.chart_panel)
self.splitter.addWidget(self.tab_panel)
self.splitter.setStretchFactor(0, 0)
self.splitter.setStretchFactor(1, 1)
self.charting_layout.addWidget(self.splitter)
self.body_layout.addLayout(self.pv_layout)
self.body_layout.addLayout(self.charting_layout)
self.body_layout.addLayout(self.chart_control_layout)
self.main_layout.addLayout(self.body_layout)
self.enable_chart_control_buttons(False)
def setup_chart_settings_layout(self):
self.chart_sync_mode_sync_radio.toggled.connect(
partial(self.handle_sync_mode_radio_toggle,
self.chart_sync_mode_sync_radio))
self.chart_sync_mode_async_radio.toggled.connect(
partial(self.handle_sync_mode_radio_toggle,
self.chart_sync_mode_async_radio))
self.title_settings_layout.addWidget(self.chart_title_lbl)
self.title_settings_layout.addWidget(self.chart_title_line_edt)
self.title_settings_layout.addWidget(self.show_legend_chk)
self.title_settings_layout.addWidget(
self.chart_change_axis_settings_btn)
self.title_settings_grpbx.setLayout(self.title_settings_layout)
self.chart_settings_layout.addWidget(self.title_settings_grpbx)
self.chart_sync_mode_layout.addWidget(self.chart_sync_mode_sync_radio)
self.chart_sync_mode_layout.addWidget(self.chart_sync_mode_async_radio)
self.chart_sync_mode_grpbx.setLayout(self.chart_sync_mode_layout)
self.chart_settings_layout.addWidget(self.chart_sync_mode_grpbx)
self.chart_settings_layout.addWidget(self.chart_sync_mode_grpbx)
self.chart_limit_time_span_layout.addWidget(
self.chart_limit_time_span_lbl)
self.chart_limit_time_span_layout.addWidget(
self.chart_limit_time_span_hours_line_edt)
self.chart_limit_time_span_layout.addWidget(
self.chart_limit_time_span_minutes_line_edt)
self.chart_limit_time_span_layout.addWidget(
self.chart_limit_time_span_seconds_line_edt)
self.chart_limit_time_span_layout.addWidget(
self.chart_limit_time_span_activate_btn)
self.chart_limit_time_span_lbl.hide()
self.chart_limit_time_span_hours_line_edt.hide()
self.chart_limit_time_span_minutes_line_edt.hide()
self.chart_limit_time_span_seconds_line_edt.hide()
self.chart_limit_time_span_activate_btn.hide()
self.chart_limit_time_span_hours_line_edt.textChanged.connect(
self.handle_time_span_edt_text_changed)
self.chart_limit_time_span_minutes_line_edt.textChanged.connect(
self.handle_time_span_edt_text_changed)
self.chart_limit_time_span_seconds_line_edt.textChanged.connect(
self.handle_time_span_edt_text_changed)
self.chart_limit_time_span_chk.clicked.connect(
self.handle_limit_time_span_checkbox_clicked)
self.chart_limit_time_span_activate_btn.clicked.connect(
self.handle_chart_limit_time_span_activate_btn_clicked)
self.chart_limit_time_span_activate_btn.installEventFilter(self)
self.graph_background_color_layout.addRow(self.background_color_lbl,
self.background_color_btn)
self.graph_drawing_settings_layout.addLayout(
self.graph_background_color_layout)
self.graph_drawing_settings_layout.addWidget(
self.chart_redraw_rate_lbl)
self.graph_drawing_settings_layout.addWidget(
self.chart_redraw_rate_spin)
self.graph_drawing_settings_layout.addWidget(
self.chart_data_sampling_rate_lbl)
self.graph_drawing_settings_layout.addWidget(
self.chart_data_async_sampling_rate_spin)
self.graph_drawing_settings_layout.addWidget(
self.chart_limit_time_span_chk)
self.graph_drawing_settings_layout.addLayout(
self.chart_limit_time_span_layout)
self.graph_drawing_settings_layout.addWidget(
self.chart_ring_buffer_size_lbl)
self.graph_drawing_settings_layout.addWidget(
self.chart_ring_buffer_size_edt)
self.graph_drawing_settings_grpbx.setLayout(
self.graph_drawing_settings_layout)
self.axis_settings_layout.addWidget(self.show_x_grid_chk)
self.axis_settings_layout.addWidget(self.show_y_grid_chk)
self.axis_settings_layout.addWidget(self.axis_color_lbl)
self.axis_settings_layout.addWidget(self.axis_color_btn)
self.axis_settings_layout.addWidget(self.grid_opacity_lbl)
self.axis_settings_layout.addWidget(self.grid_opacity_slr)
self.axis_settings_grpbx.setLayout(self.axis_settings_layout)
self.chart_settings_layout.addWidget(self.graph_drawing_settings_grpbx)
self.chart_settings_layout.addWidget(self.axis_settings_grpbx)
self.chart_settings_layout.addWidget(self.reset_chart_settings_btn)
self.chart_sync_mode_async_radio.toggled.emit(True)
self.update_datetime_timer.start(1000)
def eventFilter(self, obj, event):
"""
Handle key and mouse events for any applicable widget.
Parameters
----------
obj : QWidget
The current widget that accepts the event
event : QEvent
The key or mouse event to handle
Returns
-------
True if the event was handled successfully; False otherwise
"""
if obj == self.pv_name_line_edt and event.type() == QEvent.KeyPress:
if event.key() == Qt.Key_Enter or event.key() == Qt.Key_Return:
self.add_curve()
return True
elif obj == self.chart_limit_time_span_activate_btn and event.type(
) == QEvent.KeyPress:
if event.key() == Qt.Key_Enter or event.key() == Qt.Key_Return:
self.handle_chart_limit_time_span_activate_btn_clicked()
return True
elif obj == self.chart_ring_buffer_size_edt:
if event.type() == QEvent.KeyPress and (event.key() == Qt.Key_Enter or event.key() == Qt.Key_Return) or \
event.type() == QEvent.FocusOut:
try:
buffer_size = int(self.chart_ring_buffer_size_edt.text())
if buffer_size < MINIMUM_BUFFER_SIZE:
self.chart_ring_buffer_size_edt.setText(
str(MINIMUM_BUFFER_SIZE))
except ValueError:
display_message_box(QMessageBox.Critical, "Invalid Values",
"Only integer values are accepted.")
return True
return super(PyDMChartingDisplay, self).eventFilter(obj, event)
def add_curve(self):
"""
Add a new curve to the chart.
"""
pv_name = self._get_full_pv_name(self.pv_name_line_edt.text())
color = random_color()
for k, v in self.channel_map.items():
if color == v.color:
color = random_color()
self.add_y_channel(pv_name=pv_name, curve_name=pv_name, color=color)
def handle_enable_crosshair_checkbox_clicked(self, is_checked):
self.chart.enableCrosshair(is_checked)
self.cross_hair_coord_lbl.setVisible(is_checked)
def add_y_channel(self,
pv_name,
curve_name,
color,
line_style=Qt.SolidLine,
line_width=2,
symbol=None,
symbol_size=None):
if pv_name in self.channel_map:
logger.error("'{0}' has already been added.".format(pv_name))
return
curve = self.chart.addYChannel(y_channel=pv_name,
name=curve_name,
color=color,
lineStyle=line_style,
lineWidth=line_width,
symbol=symbol,
symbolSize=symbol_size)
self.channel_map[pv_name] = curve
self.generate_pv_controls(pv_name, color)
self.enable_chart_control_buttons()
self.app.establish_widget_connections(self)
def generate_pv_controls(self, pv_name, curve_color):
"""
Generate a set of widgets to manage the appearance of a curve. The set of widgets includes:
1. A checkbox which shows the curve on the chart if checked, and hide the curve if not checked
2. Two buttons -- Modify... and Remove. Modify... will bring up the Curve Settings dialog. Remove will
delete the curve from the chart
This set of widgets will be hidden initially, until the first curve is plotted.
Parameters
----------
pv_name: str
The name of the PV the current curve is being plotted for
curve_color : QColor
The color of the curve to paint for the checkbox label to help the user track the curve to the checkbox
"""
checkbox = QCheckBox()
checkbox.setObjectName(pv_name)
palette = checkbox.palette()
palette.setColor(QPalette.Active, QPalette.WindowText, curve_color)
checkbox.setPalette(palette)
display_name = pv_name.split("://")[1]
if len(display_name) > MAX_DISPLAY_PV_NAME_LENGTH:
# Only display max allowed number of characters of the PV Name
display_name = display_name[:int(MAX_DISPLAY_PV_NAME_LENGTH / 2) - 1] + "..." + \
display_name[-int(MAX_DISPLAY_PV_NAME_LENGTH / 2) + 2:]
checkbox.setText(display_name)
data_text = QLabel()
data_text.setObjectName(pv_name)
data_text.setPalette(palette)
checkbox.setChecked(True)
checkbox.clicked.connect(
partial(self.handle_curve_chkbox_toggled, checkbox))
curve_btn_layout = QHBoxLayout()
modify_curve_btn = QPushButton("Modify...")
modify_curve_btn.setObjectName(pv_name)
modify_curve_btn.setMaximumWidth(100)
modify_curve_btn.clicked.connect(
partial(self.display_curve_settings_dialog, pv_name))
focus_curve_btn = QPushButton("Focus")
focus_curve_btn.setObjectName(pv_name)
focus_curve_btn.setMaximumWidth(100)
focus_curve_btn.clicked.connect(partial(self.focus_curve, pv_name))
annotate_curve_btn = QPushButton("Annotate...")
annotate_curve_btn.setObjectName(pv_name)
annotate_curve_btn.setMaximumWidth(100)
annotate_curve_btn.clicked.connect(
partial(self.annotate_curve, pv_name))
remove_curve_btn = QPushButton("Remove")
remove_curve_btn.setObjectName(pv_name)
remove_curve_btn.setMaximumWidth(100)
remove_curve_btn.clicked.connect(partial(self.remove_curve, pv_name))
curve_btn_layout.addWidget(modify_curve_btn)
curve_btn_layout.addWidget(focus_curve_btn)
curve_btn_layout.addWidget(annotate_curve_btn)
curve_btn_layout.addWidget(remove_curve_btn)
individual_curve_layout = QVBoxLayout()
individual_curve_layout.addWidget(checkbox)
individual_curve_layout.addWidget(data_text)
individual_curve_layout.addLayout(curve_btn_layout)
size_policy = QSizePolicy()
size_policy.setVerticalPolicy(QSizePolicy.Fixed)
individual_curve_grpbx = QGroupBox()
individual_curve_grpbx.setSizePolicy(size_policy)
individual_curve_grpbx.setObjectName(pv_name)
individual_curve_grpbx.setLayout(individual_curve_layout)
self.curve_settings_layout.addWidget(individual_curve_grpbx)
self.tab_panel.show()
def handle_curve_chkbox_toggled(self, checkbox):
"""
Handle a checkbox's checked and unchecked events.
If a checkbox is checked, find the curve from the channel map. If found, re-draw the curve with its previous
appearance settings.
If a checkbox is unchecked, remove the curve from the chart, but keep the cached data in the channel map.
Parameters
----------
checkbox : QCheckBox
The current checkbox being toggled
"""
pv_name = self._get_full_pv_name(checkbox.text())
if checkbox.isChecked():
curve = self.channel_map.get(pv_name, None)
if curve:
self.chart.addLegendItem(curve, pv_name,
self.show_legend_chk.isChecked())
curve.show()
else:
curve = self.chart.findCurve(pv_name)
if curve:
curve.hide()
self.chart.removeLegendItem(pv_name)
def display_curve_settings_dialog(self, pv_name):
"""
Bring up the Curve Settings dialog to modify the appearance of a curve.
Parameters
----------
pv_name : str
The name of the PV the curve is being plotted for
"""
self.curve_settings_disp = CurveSettingsDisplay(self, pv_name)
self.curve_settings_disp.show()
def focus_curve(self, pv_name):
curve = self.chart.findCurve(pv_name)
if curve:
self.chart.plotItem.setYRange(curve.minY, curve.maxY, padding=0)
def annotate_curve(self, pv_name):
curve = self.chart.findCurve(pv_name)
if curve:
annot = TextItem(
html=
'<div style="text-align: center"><span style="color: #FFF;">This is the'
'</span><br><span style="color: #FF0; font-size: 16pt;">PEAK</span></div>',
anchor=(-0.3, 0.5),
border='w',
fill=(0, 0, 255, 100))
annot = TextItem("test", anchor=(-0.3, 0.5))
self.chart.annotateCurve(curve, annot)
def remove_curve(self, pv_name):
"""
Remove a curve from the chart permanently. This will also clear the channel map cache from retaining the
removed curve's appearance settings.
Parameters
----------
pv_name : str
The name of the PV the curve is being plotted for
"""
curve = self.chart.findCurve(pv_name)
if curve:
self.chart.removeYChannel(curve)
del self.channel_map[pv_name]
self.chart.removeLegendItem(pv_name)
widgets = self.findChildren(
(QCheckBox, QLabel, QPushButton, QGroupBox), pv_name)
for w in widgets:
w.deleteLater()
if len(self.chart.getCurves()) < 1:
self.enable_chart_control_buttons(False)
self.show_legend_chk.setChecked(False)
def handle_title_text_changed(self, new_text):
self.chart.setPlotTitle(new_text)
def handle_change_axis_settings_clicked(self):
self.axis_settings_disp = AxisSettingsDisplay(self)
self.axis_settings_disp.show()
def handle_limit_time_span_checkbox_clicked(self, is_checked):
self.chart_limit_time_span_lbl.setVisible(is_checked)
self.chart_limit_time_span_hours_line_edt.setVisible(is_checked)
self.chart_limit_time_span_minutes_line_edt.setVisible(is_checked)
self.chart_limit_time_span_seconds_line_edt.setVisible(is_checked)
self.chart_limit_time_span_activate_btn.setVisible(is_checked)
self.chart_ring_buffer_size_lbl.setDisabled(is_checked)
self.chart_ring_buffer_size_edt.setDisabled(is_checked)
if not is_checked:
self.chart_limit_time_span_chk.setText(self.limit_time_plan_text)
def handle_time_span_edt_text_changed(self, new_text):
try:
self.time_span_limit_hours = int(
self.chart_limit_time_span_hours_line_edt.text())
self.time_span_limit_minutes = int(
self.chart_limit_time_span_minutes_line_edt.text())
self.time_span_limit_seconds = int(
self.chart_limit_time_span_seconds_line_edt.text())
except ValueError as e:
self.time_span_limit_hours = None
self.time_span_limit_minutes = None
self.time_span_limit_seconds = None
if self.time_span_limit_hours is not None and self.time_span_limit_minutes is not None and \
self.time_span_limit_seconds is not None:
self.chart_limit_time_span_activate_btn.setEnabled(True)
else:
self.chart_limit_time_span_activate_btn.setEnabled(False)
def handle_chart_limit_time_span_activate_btn_clicked(self):
if self.time_span_limit_hours is None or self.time_span_limit_minutes is None or \
self.time_span_limit_seconds is None:
display_message_box(
QMessageBox.Critical, "Invalid Values",
"Hours, minutes, and seconds expect only integer values.")
else:
timeout_milliseconds = (self.time_span_limit_hours * 3600 +
self.time_span_limit_minutes * 60 +
self.time_span_limit_seconds) * 1000
self.chart.setTimeSpan(timeout_milliseconds / 1000.0)
self.chart_ring_buffer_size_edt.setText(
str(self.chart.getBufferSize()))
def handle_buffer_size_changed(self, new_buffer_size):
try:
if new_buffer_size and int(new_buffer_size) > MINIMUM_BUFFER_SIZE:
self.chart.setBufferSize(new_buffer_size)
except ValueError:
display_message_box(QMessageBox.Critical, "Invalid Values",
"Only integer values are accepted.")
def handle_redraw_rate_changed(self, new_redraw_rate):
self.chart.maxRedrawRate = new_redraw_rate
def handle_data_sampling_rate_changed(self, new_data_sampling_rate):
# The chart expects the value in milliseconds
sampling_rate_seconds = 1 / new_data_sampling_rate
self.chart.setUpdateInterval(sampling_rate_seconds)
def handle_background_color_button_clicked(self):
selected_color = QColorDialog.getColor()
self.chart.setBackgroundColor(selected_color)
self.background_color_btn.setStyleSheet("background-color: " +
selected_color.name())
def handle_axis_color_button_clicked(self):
selected_color = QColorDialog.getColor()
self.chart.setAxisColor(selected_color)
self.axis_color_btn.setStyleSheet("background-color: " +
selected_color.name())
def handle_grid_opacity_slider_mouse_release(self):
self.grid_alpha = float(self.grid_opacity_slr.value()) / 10.0
self.chart.setShowXGrid(self.show_x_grid_chk.isChecked(),
self.grid_alpha)
self.chart.setShowYGrid(self.show_y_grid_chk.isChecked(),
self.grid_alpha)
def handle_show_x_grid_checkbox_clicked(self, is_checked):
self.chart.setShowXGrid(is_checked, self.grid_alpha)
self.axis_color_lbl.setEnabled(is_checked
or self.show_y_grid_chk.isChecked())
self.axis_color_btn.setEnabled(is_checked
or self.show_y_grid_chk.isChecked())
self.grid_opacity_lbl.setEnabled(is_checked
or self.show_y_grid_chk.isChecked())
self.grid_opacity_slr.setEnabled(is_checked
or self.show_y_grid_chk.isChecked())
def handle_show_y_grid_checkbox_clicked(self, is_checked):
self.chart.setShowYGrid(is_checked, self.grid_alpha)
self.axis_color_lbl.setEnabled(is_checked
or self.show_x_grid_chk.isChecked())
self.axis_color_btn.setEnabled(is_checked
or self.show_x_grid_chk.isChecked())
self.grid_opacity_lbl.setEnabled(is_checked
or self.show_x_grid_chk.isChecked())
self.grid_opacity_slr.setEnabled(is_checked
or self.show_x_grid_chk.isChecked())
def handle_show_legend_checkbox_clicked(self, is_checked):
self.chart.setShowLegend(is_checked)
def handle_export_data_btn_clicked(self):
self.chart_data_export_disp = ChartDataExportDisplay(self)
self.chart_data_export_disp.show()
def handle_import_data_btn_clicked(self):
open_file_info = QFileDialog.getOpenFileName(self,
caption="Save File",
filter="*." +
IMPORT_FILE_FORMAT)
open_file_name = open_file_info[0]
if open_file_name:
importer = SettingsImporter(self)
importer.import_settings(open_file_name)
def handle_sync_mode_radio_toggle(self, radio_btn):
if radio_btn.isChecked():
if radio_btn.text() == "Synchronous":
self.data_sampling_mode = SYNC_DATA_SAMPLING
self.chart_data_sampling_rate_lbl.hide()
self.chart_data_async_sampling_rate_spin.hide()
self.chart.resetTimeSpan()
self.chart_limit_time_span_chk.setChecked(False)
self.chart_limit_time_span_chk.clicked.emit(False)
self.chart_limit_time_span_chk.hide()
self.graph_drawing_settings_grpbx.setFixedHeight(180)
self.chart.setUpdatesAsynchronously(False)
elif radio_btn.text() == "Asynchronous":
self.data_sampling_mode = ASYNC_DATA_SAMPLING
self.chart_data_sampling_rate_lbl.show()
self.chart_data_async_sampling_rate_spin.show()
self.chart_limit_time_span_chk.show()
self.graph_drawing_settings_grpbx.setFixedHeight(270)
self.chart.setUpdatesAsynchronously(True)
self.app.establish_widget_connections(self)
def handle_auto_scale_btn_clicked(self):
self.chart.resetAutoRangeX()
self.chart.resetAutoRangeY()
def handle_view_all_button_clicked(self):
self.chart.getViewBox().autoRange()
def handle_pause_chart_btn_clicked(self):
if self.chart.pausePlotting():
self.pause_chart_btn.setText(self.pause_chart_text)
else:
self.pause_chart_btn.setText(self.resume_chart_text)
def handle_reset_chart_btn_clicked(self):
self.chart.getViewBox().setXRange(DEFAULT_X_MIN, 0)
self.chart.resetAutoRangeY()
@Slot()
def handle_reset_chart_settings_btn_clicked(self):
self.chart_ring_buffer_size_edt.setText(str(DEFAULT_BUFFER_SIZE))
self.chart_redraw_rate_spin.setValue(DEFAULT_REDRAW_RATE_HZ)
self.chart_data_async_sampling_rate_spin.setValue(
DEFAULT_DATA_SAMPLING_RATE_HZ)
self.chart_data_sampling_rate_lbl.hide()
self.chart_data_async_sampling_rate_spin.hide()
self.chart_sync_mode_async_radio.setChecked(True)
self.chart_sync_mode_async_radio.toggled.emit(True)
self.chart_limit_time_span_chk.setChecked(False)
self.chart_limit_time_span_chk.setText(self.limit_time_plan_text)
self.chart_limit_time_span_chk.clicked.emit(False)
self.chart.setUpdatesAsynchronously(True)
self.chart.resetTimeSpan()
self.chart.resetUpdateInterval()
self.chart.setBufferSize(DEFAULT_BUFFER_SIZE)
self.chart.setBackgroundColor(DEFAULT_CHART_BACKGROUND_COLOR)
self.background_color_btn.setStyleSheet(
"background-color: " + DEFAULT_CHART_BACKGROUND_COLOR.name())
self.chart.setAxisColor(DEFAULT_CHART_AXIS_COLOR)
self.axis_color_btn.setStyleSheet("background-color: " +
DEFAULT_CHART_AXIS_COLOR.name())
self.grid_opacity_slr.setValue(5)
self.show_x_grid_chk.setChecked(False)
self.show_x_grid_chk.clicked.emit(False)
self.show_y_grid_chk.setChecked(False)
self.show_y_grid_chk.clicked.emit(False)
self.show_legend_chk.setChecked(False)
self.chart.setShowXGrid(False)
self.chart.setShowYGrid(False)
self.chart.setShowLegend(False)
def enable_chart_control_buttons(self, enabled=True):
self.auto_scale_btn.setEnabled(enabled)
self.view_all_btn.setEnabled(enabled)
self.reset_chart_btn.setEnabled(enabled)
self.pause_chart_btn.setText(self.pause_chart_text)
self.pause_chart_btn.setEnabled(enabled)
self.export_data_btn.setEnabled(enabled)
def _get_full_pv_name(self, pv_name):
"""
Append the protocol to the PV Name.
Parameters
----------
pv_name : str
The name of the PV the curve is being plotted for
"""
if pv_name and "://" not in pv_name:
pv_name = ''.join([self.pv_protocol_cmb.currentText(), pv_name])
return pv_name
def handle_update_datetime_timer_timeout(self):
current_label = self.chart.getBottomAxisLabel()
new_label = "Current Time: " + PyDMChartingDisplay.get_current_datetime(
)
if X_AXIS_LABEL_SEPARATOR in current_label:
current_label = current_label[current_label.
find(X_AXIS_LABEL_SEPARATOR) +
len(X_AXIS_LABEL_SEPARATOR):]
new_label += X_AXIS_LABEL_SEPARATOR + current_label
self.chart.setLabel("bottom", text=new_label)
def update_curve_data(self, curve):
"""
Determine if the PV is active. If not, disable the related PV controls. If the PV is active, update the PV
controls' states.
Parameters
----------
curve : PlotItem
A PlotItem, i.e. a plot, to draw on the chart.
"""
pv_name = curve.name()
max_x = self.chart.getViewBox().viewRange()[1][0]
max_y = self.chart.getViewBox().viewRange()[1][1]
current_y = curve.data_buffer[1, -1]
widgets = self.findChildren((QCheckBox, QLabel, QPushButton), pv_name)
for w in widgets:
if np.isnan(current_y):
if isinstance(w, QCheckBox):
w.setChecked(False)
else:
if isinstance(w, QCheckBox) and not w.isEnabled():
w.setChecked(True)
if isinstance(w, QLabel):
w.clear()
w.setText(
"(yMin = {0:.3f}, yMax = {1:.3f}) y = {2:.3f}".format(
max_x, max_y, current_y))
w.show()
w.setEnabled(not np.isnan(current_y))
if isinstance(w, QPushButton) and w.text() == "Remove":
# Enable the Remove button to make removing inactive PVs possible anytime
w.setEnabled(True)
def show_mouse_coordinates(self, x, y):
self.cross_hair_coord_lbl.clear()
self.cross_hair_coord_lbl.setText("x = {0:.3f}, y = {1:.3f}".format(
x, y))
@staticmethod
def get_current_datetime():
current_date = datetime.datetime.now().strftime("%b %d, %Y")
current_time = datetime.datetime.now().strftime("%H:%M:%S")
current_datetime = current_time + ' (' + current_date + ')'
return current_datetime
@property
def gridAlpha(self):
return self.grid_alpha
class ColorbarEditor(EasyDialog):
NAME = _("Colorbar editor")
HELP_BODY = _("Click a triangle to change its color. <br>"
"Drag triangles to move. <br>"
"Click in an empty area to add a new color. <br>"
"Right click a triangle to remove. <br>"
"Right click axis or region, click View All, to zoom. <br>"
"Mouse wheel zoom in/out when cursor on axis or region. <br>"
"After zoom out, drag the region to move along the axis. <br>"
"Right click the colorbar to select different colormap. <br>"
"One of the four bars can be enabled by set Orientation. <br>"
"The bar widgets can be resized by the move the splitter. <br>")
def __init__(self, parent=None):
EasyDialog.__init__(self, parent=parent, set_tree=True, set_db=True)
self.dob = None
self.clip_min = 0
self.clip_max = 1
self.setup_page()
def setup_page(self):
vbox = QVBoxLayout()
btnWidget = QWidget(self)
btnWidget.setLayout(vbox)
text = _("Object")
geom = ['Point', 'Line', 'Tsurface', 'Gsurface', 'Cube']
self.grabob = self.create_grabob(text, geom=geom)
vbox.addWidget(self.grabob)
text = _("Property")
self.prop = self.create_combobox(text)
btn_load_property = QPushButton(_('Load'))
btn_load_property.clicked.connect(self.load_property)
hbox = QHBoxLayout()
hbox.addWidget(self.prop)
hbox.addWidget(btn_load_property)
vbox.addLayout(hbox)
lbl_orientation = QLabel(_('Orientation'))
rb_top = QRadioButton('Top')
rb_bottom = QRadioButton('Bottom')
rb_left = QRadioButton('Left')
rb_right = QRadioButton('Right')
hbox = QHBoxLayout()
hbox.addWidget(lbl_orientation)
hbox.addWidget(rb_top)
hbox.addWidget(rb_bottom)
hbox.addWidget(rb_left)
hbox.addWidget(rb_right)
vbox.addLayout(hbox)
lbl_clip_min = QLabel(_('Clip minimum'))
lbl_clip_max = QLabel(_('Clip maximum'))
self.le_clip_min = QLineEdit('0')
self.le_clip_max = QLineEdit('1')
hbox = QHBoxLayout()
hbox.addWidget(lbl_clip_min)
hbox.addWidget(self.le_clip_min)
hbox.addWidget(lbl_clip_max)
hbox.addWidget(self.le_clip_max)
vbox.addLayout(hbox)
opacity = QLabel(_('Opacity'))
self.opacity = QSlider(Qt.Horizontal)
self.opacity.setTracking(False)
self.opacity.setTickPosition(QSlider.TicksBelow)
self.opacity.setSingleStep(1)
self.opacity.setRange(0, 255)
self.opacity.setValue(255)
self.opacity.valueChanged.connect(self.opacity_changed)
hbox = QHBoxLayout()
hbox.addWidget(opacity)
hbox.addWidget(self.opacity)
vbox.addLayout(hbox)
action = self.create_action()
vbox.addWidget(action)
hlut_right = HistogramLUTWidget(orientation='right',
gradients=customGradients)
hlut_left = HistogramLUTWidget(orientation='left',
gradients=customGradients)
hlut_bottom = HistogramLUTWidget(orientation='bottom',
gradients=customGradients)
hlut_top = HistogramLUTWidget(orientation='top',
gradients=customGradients)
lbl_hlut_help = QLabel("You can activate any one of the four.")
split1 = QSplitter(Qt.Vertical)
split1.addWidget(hlut_top)
split1.addWidget(lbl_hlut_help)
split1.addWidget(hlut_bottom)
# split1.setStretchFactor(0, 0)
# split1.setStretchFactor(1, 1)
# split1.setStretchFactor(2, 0)
# split1.setSizes([50, 400, 50])
split2 = QSplitter(Qt.Horizontal)
split2.addWidget(hlut_left)
split2.addWidget(split1)
split2.addWidget(hlut_right)
split3 = QSplitter(Qt.Vertical)
split3.addWidget(btnWidget)
split3.addWidget(split2)
self.layout.addWidget(split3)
# self.le_clip_min.editingFinished.connect(self.clip_changed)
# self.le_clip_max.editingFinished.connect(self.clip_changed)
self.hlut_list = [hlut_top, hlut_bottom, hlut_left, hlut_right]
rb_top.toggled.connect(lambda:self.set_orientation(rb_top))
rb_bottom.toggled.connect(lambda:self.set_orientation(rb_bottom))
rb_left.toggled.connect(lambda:self.set_orientation(rb_left))
rb_right.toggled.connect(lambda:self.set_orientation(rb_right))
rb_right.setChecked(True)
def opacity_changed(self):
"""
Potentially can use non-constant opacity e.g. user can define
any opacity gradient, linear interpolate on the color gradient
ticks and set Alpha in the RGBA.
"""
opacity = self.opacity.value()
gradient = self.hlut_active.gradient.saveState()
set_gradient_alpha(gradient, opacity)
prop_name = self.prop_name
self.dob.set_gradient(prop_name, gradient)
self.dob.make_colormap(prop_name)
self.dob.update_plots_by_prop()
def set_orientation(self, rb):
if rb.isChecked():
if rb.text() == "Top":
index = 0
elif rb.text() == "Bottom":
index = 1
elif rb.text() == "Left":
index = 2
elif rb.text() == "Right":
index = 3
else:
raise ValueError("Unknown value")
self.hlut_active = self.hlut_list[index]
self.hlut_active.setEnabled(True)
for i in range(len(self.hlut_list)):
if i != index:
self.hlut_list[i].setEnabled(False)
self.hlut_active.sigLevelChangeFinished.connect(self.level_changed)
self.hlut_active.sigLevelChangeFinished.connect(self.apply)
# self.hlut_active.sigLookupTableChanged.connect(self.apply)
if self.dob is not None:
self.load_hlut()
def level_changed(self):
"""
Level is changed in the hlut by mouse dragging, now sync textbox.
"""
self.clip_min, self.clip_max = self.hlut_active.getLevels()
self.le_clip_min.setText(str(self.clip_min))
self.le_clip_max.setText(str(self.clip_max))
def clip_changed(self):
"""
Clip is changed in the textbox by user typing, now sync hlut.
"""
self.clip_min = float(self.le_clip_min.text())
self.clip_max = float(self.le_clip_max.text())
self.hlut_active.setLevels(self.clip_min, self.clip_max)
def apply(self):
if self.dob is None:
logger.warning('No data object is loaded yet')
return
self.clip_changed()
prop_name = self.prop_name
# save to dob for updating plots of the object
clip = self.hlut_active.getLevels()
self.dob.set_clip(prop_name, clip)
# save the colorbar/gradient as a dictionary
gradient = self.hlut_active.gradient.saveState()
opacity = self.opacity.value()
set_gradient_alpha(gradient, opacity)
self.dob.set_gradient(prop_name, gradient)
self.dob.make_colormap(prop_name)
self.dob.update_plots_by_prop()
# TODO handle points multiple properties
def grab_object_rc(self):
""" Used when dialog is brought up by right click in tree. """
geom = ['Point', 'Line', 'Tsurface', 'Gsurface', 'Cube']
self.dob = self.treebase.grab_object(geom)
self.grabob.lineedit.edit.setText(self.dob.name)
self.propList = list(self.dob.prop.keys())
self.prop.combobox.clear()
self.prop.combobox.addItems(self.propList)
self.grab_property()
def load_object(self):
self.dob = self.object # from EasyDialog grab_object
self.propList = list(self.dob.prop.keys())
self.prop.combobox.clear()
self.prop.combobox.addItems(self.propList)
self.grab_property()
def grab_property(self):
prop_name = self.dob.current_property
index = self.propList.index(prop_name)
self.prop.combobox.setCurrentIndex(index)
def load_property(self):
"""
"""
object_name = self.grabob.lineedit.edit.text()
self.prop_name = self.prop.combobox.currentText()
self.dob = self.database[object_name]
self.load_hlut()
def load_hlut(self):
prop_name = self.prop_name
cg = self.dob.prop[prop_name]['colorGradient']
if cg is not None:
self.hlut_active.gradient.restoreState(cg)
self.clip_min, self.clip_max = self.dob.prop[prop_name]['colorClip']
self.hlut_active.setLevels(self.clip_min, self.clip_max)
# Assume constant alpha, so use the first value
alpha = cg['ticks'][0][1][3]
self.opacity.setValue(alpha)
class TimeChartDisplay(Display):
def __init__(self,
parent=None,
args=[],
macros=None,
show_pv_add_panel=True,
config_file=None):
"""
Create all the widgets, including any child dialogs.
Parameters
----------
parent : QWidget
The parent widget of the charting display
args : list
The command parameters
macros : str
Macros to modify the UI parameters at runtime
show_pv_add_panel : bool
Whether or not to show the PV add panel on top of the graph
"""
super(TimeChartDisplay, self).__init__(parent=parent,
args=args,
macros=macros)
self.legend_font = None
self.channel_map = dict()
self.setWindowTitle("TimeChart Tool")
self.main_layout = QVBoxLayout()
self.body_layout = QVBoxLayout()
self.pv_add_panel = QFrame()
self.pv_add_panel.setVisible(show_pv_add_panel)
self.pv_add_panel.setMaximumHeight(50)
self.pv_layout = QHBoxLayout()
self.pv_name_line_edt = QLineEdit()
self.pv_name_line_edt.setAcceptDrops(True)
self.pv_name_line_edt.returnPressed.connect(self.add_curve)
self.pv_protocol_cmb = QComboBox()
self.pv_protocol_cmb.addItems(["ca://", "archive://"])
self.pv_protocol_cmb.setEnabled(False)
self.pv_connect_push_btn = QPushButton("Connect")
self.pv_connect_push_btn.clicked.connect(self.add_curve)
self.tab_panel = QTabWidget()
self.tab_panel.setMinimumWidth(350)
self.tab_panel.setMaximumWidth(350)
self.curve_settings_tab = QWidget()
self.data_settings_tab = QWidget()
self.chart_settings_tab = QWidget()
self.charting_layout = QHBoxLayout()
self.chart = PyDMTimePlot(plot_by_timestamps=False)
self.chart.setDownsampling(ds=False, auto=False, mode=None)
self.chart.plot_redrawn_signal.connect(self.update_curve_data)
self.chart.setBufferSize(DEFAULT_BUFFER_SIZE)
self.chart.setPlotTitle(DEFAULT_CHART_TITLE)
self.splitter = QSplitter()
self.curve_settings_layout = QVBoxLayout()
self.curve_settings_layout.setAlignment(Qt.AlignTop)
self.curve_settings_layout.setSizeConstraint(QLayout.SetMinAndMaxSize)
self.curve_settings_layout.setSpacing(5)
self.crosshair_settings_layout = QVBoxLayout()
self.crosshair_settings_layout.setAlignment(Qt.AlignTop)
self.crosshair_settings_layout.setSpacing(5)
self.enable_crosshair_chk = QCheckBox("Crosshair")
self.crosshair_coord_lbl = QLabel()
self.crosshair_coord_lbl.setWordWrap(True)
self.curve_settings_inner_frame = QFrame()
self.curve_settings_inner_frame.setLayout(self.curve_settings_layout)
self.curve_settings_scroll = QScrollArea()
self.curve_settings_scroll.setVerticalScrollBarPolicy(
Qt.ScrollBarAsNeeded)
self.curve_settings_scroll.setHorizontalScrollBarPolicy(
Qt.ScrollBarAlwaysOff)
self.curve_settings_scroll.setWidget(self.curve_settings_inner_frame)
self.curve_settings_scroll.setWidgetResizable(True)
self.enable_crosshair_chk.setChecked(False)
self.enable_crosshair_chk.clicked.connect(
self.handle_enable_crosshair_checkbox_clicked)
self.enable_crosshair_chk.clicked.emit(False)
self.curves_tab_layout = QHBoxLayout()
self.curves_tab_layout.addWidget(self.curve_settings_scroll)
self.data_tab_layout = QVBoxLayout()
self.data_tab_layout.setAlignment(Qt.AlignTop)
self.data_tab_layout.setSpacing(5)
self.chart_settings_layout = QVBoxLayout()
self.chart_settings_layout.setAlignment(Qt.AlignTop)
self.chart_settings_layout.setSpacing(5)
self.chart_layout = QVBoxLayout()
self.chart_layout.setSpacing(10)
self.chart_panel = QWidget()
self.chart_panel.setMinimumHeight(400)
self.chart_control_layout = QHBoxLayout()
self.chart_control_layout.setAlignment(Qt.AlignHCenter)
self.chart_control_layout.setSpacing(10)
self.zoom_x_layout = QVBoxLayout()
self.zoom_x_layout.setAlignment(Qt.AlignTop)
self.zoom_x_layout.setSpacing(5)
self.plus_icon = IconFont().icon("plus", color=QColor("green"))
self.minus_icon = IconFont().icon("minus", color=QColor("red"))
self.view_all_icon = IconFont().icon("globe", color=QColor("blue"))
self.reset_icon = IconFont().icon("circle-o-notch",
color=QColor("green"))
self.zoom_in_x_btn = QPushButton("X Zoom")
self.zoom_in_x_btn.setIcon(self.plus_icon)
self.zoom_in_x_btn.clicked.connect(
partial(self.handle_zoom_in_btn_clicked, "x", True))
self.zoom_in_x_btn.setEnabled(False)
self.zoom_out_x_btn = QPushButton("X Zoom")
self.zoom_out_x_btn.setIcon(self.minus_icon)
self.zoom_out_x_btn.clicked.connect(
partial(self.handle_zoom_in_btn_clicked, "x", False))
self.zoom_out_x_btn.setEnabled(False)
self.zoom_y_layout = QVBoxLayout()
self.zoom_y_layout.setAlignment(Qt.AlignTop)
self.zoom_y_layout.setSpacing(5)
self.zoom_in_y_btn = QPushButton("Y Zoom")
self.zoom_in_y_btn.setIcon(self.plus_icon)
self.zoom_in_y_btn.clicked.connect(
partial(self.handle_zoom_in_btn_clicked, "y", True))
self.zoom_in_y_btn.setEnabled(False)
self.zoom_out_y_btn = QPushButton("Y Zoom")
self.zoom_out_y_btn.setIcon(self.minus_icon)
self.zoom_out_y_btn.clicked.connect(
partial(self.handle_zoom_in_btn_clicked, "y", False))
self.zoom_out_y_btn.setEnabled(False)
self.view_all_btn = QPushButton("View All")
self.view_all_btn.setIcon(self.view_all_icon)
self.view_all_btn.clicked.connect(self.handle_view_all_button_clicked)
self.view_all_btn.setEnabled(False)
self.view_all_reset_chart_layout = QVBoxLayout()
self.view_all_reset_chart_layout.setAlignment(Qt.AlignTop)
self.view_all_reset_chart_layout.setSpacing(5)
self.pause_chart_layout = QVBoxLayout()
self.pause_chart_layout.setAlignment(Qt.AlignTop)
self.pause_chart_layout.setSpacing(5)
self.reset_chart_btn = QPushButton("Reset")
self.reset_chart_btn.setIcon(self.reset_icon)
self.reset_chart_btn.clicked.connect(
self.handle_reset_chart_btn_clicked)
self.reset_chart_btn.setEnabled(False)
self.pause_icon = IconFont().icon("pause", color=QColor("red"))
self.play_icon = IconFont().icon("play", color=QColor("green"))
self.pause_chart_btn = QPushButton()
self.pause_chart_btn.setIcon(self.pause_icon)
self.pause_chart_btn.clicked.connect(
self.handle_pause_chart_btn_clicked)
self.title_settings_layout = QVBoxLayout()
self.title_settings_layout.setAlignment(Qt.AlignTop)
self.title_settings_layout.setSpacing(5)
self.title_settings_grpbx = QGroupBox("Title and Legend")
self.title_settings_grpbx.setMaximumHeight(120)
self.import_export_data_layout = QVBoxLayout()
self.import_export_data_layout.setAlignment(Qt.AlignTop)
self.import_export_data_layout.setSpacing(5)
self.import_data_btn = QPushButton("Import...")
self.import_data_btn.clicked.connect(
self.handle_import_data_btn_clicked)
self.export_data_btn = QPushButton("Export...")
self.export_data_btn.clicked.connect(
self.handle_export_data_btn_clicked)
self.chart_title_layout = QHBoxLayout()
self.chart_title_layout.setSpacing(10)
self.chart_title_lbl = QLabel(text="Graph Title")
self.chart_title_line_edt = QLineEdit()
self.chart_title_line_edt.setText(self.chart.getPlotTitle())
self.chart_title_line_edt.textChanged.connect(
self.handle_title_text_changed)
self.chart_title_font_btn = QPushButton()
self.chart_title_font_btn.setFixedHeight(24)
self.chart_title_font_btn.setFixedWidth(24)
self.chart_title_font_btn.setIcon(IconFont().icon("font"))
self.chart_title_font_btn.clicked.connect(
partial(self.handle_chart_font_changed, "title"))
self.chart_change_axis_settings_btn = QPushButton(
text="Change Axis Settings...")
self.chart_change_axis_settings_btn.clicked.connect(
self.handle_change_axis_settings_clicked)
self.update_datetime_timer = QTimer(self)
self.update_datetime_timer.timeout.connect(
self.handle_update_datetime_timer_timeout)
self.chart_sync_mode_layout = QVBoxLayout()
self.chart_sync_mode_layout.setSpacing(5)
self.chart_sync_mode_grpbx = QGroupBox("Data Sampling Mode")
self.chart_sync_mode_grpbx.setMaximumHeight(100)
self.chart_sync_mode_sync_radio = QRadioButton("Synchronous")
self.chart_sync_mode_async_radio = QRadioButton("Asynchronous")
self.chart_sync_mode_async_radio.setChecked(True)
self.graph_drawing_settings_layout = QVBoxLayout()
self.graph_drawing_settings_layout.setAlignment(Qt.AlignVCenter)
self.chart_interval_layout = QFormLayout()
self.chart_redraw_rate_lbl = QLabel("Redraw Rate (Hz)")
self.chart_redraw_rate_spin = QSpinBox()
self.chart_redraw_rate_spin.setRange(MIN_REDRAW_RATE_HZ,
MAX_REDRAW_RATE_HZ)
self.chart_redraw_rate_spin.setValue(DEFAULT_REDRAW_RATE_HZ)
self.chart_redraw_rate_spin.editingFinished.connect(
self.handle_redraw_rate_changed)
self.chart_data_sampling_rate_lbl = QLabel("Data Sampling Rate (Hz)")
self.chart_data_async_sampling_rate_spin = QSpinBox()
self.chart_data_async_sampling_rate_spin.setRange(
MIN_DATA_SAMPLING_RATE_HZ, MAX_DATA_SAMPLING_RATE_HZ)
self.chart_data_async_sampling_rate_spin.setValue(
DEFAULT_DATA_SAMPLING_RATE_HZ)
self.chart_data_async_sampling_rate_spin.editingFinished.connect(
self.handle_data_sampling_rate_changed)
self.chart_data_sampling_rate_lbl.hide()
self.chart_data_async_sampling_rate_spin.hide()
self.chart_limit_time_span_layout = QHBoxLayout()
self.chart_limit_time_span_layout.setSpacing(5)
self.limit_time_plan_text = "Limit Time Span"
self.chart_limit_time_span_chk = QCheckBox(self.limit_time_plan_text)
self.chart_limit_time_span_chk.hide()
self.chart_limit_time_span_lbl = QLabel("Hr:Min:Sec")
self.chart_limit_time_span_hours_spin_box = QSpinBox()
self.chart_limit_time_span_hours_spin_box.setMaximum(999)
self.chart_limit_time_span_minutes_spin_box = QSpinBox()
self.chart_limit_time_span_minutes_spin_box.setMaximum(59)
self.chart_limit_time_span_seconds_spin_box = QSpinBox()
self.chart_limit_time_span_seconds_spin_box.setMaximum(59)
self.chart_limit_time_span_activate_btn = QPushButton("Apply")
self.chart_limit_time_span_activate_btn.setDisabled(True)
self.chart_ring_buffer_layout = QFormLayout()
self.chart_ring_buffer_size_lbl = QLabel("Ring Buffer Size")
self.chart_ring_buffer_size_edt = QLineEdit()
self.chart_ring_buffer_size_edt.returnPressed.connect(
self.handle_buffer_size_changed)
self.chart_ring_buffer_size_edt.setText(str(DEFAULT_BUFFER_SIZE))
self.show_legend_chk = QCheckBox("Show Legend")
self.show_legend_chk.clicked.connect(
self.handle_show_legend_checkbox_clicked)
self.show_legend_chk.setChecked(self.chart.showLegend)
self.legend_font_btn = QPushButton()
self.legend_font_btn.setFixedHeight(24)
self.legend_font_btn.setFixedWidth(24)
self.legend_font_btn.setIcon(IconFont().icon("font"))
self.legend_font_btn.clicked.connect(
partial(self.handle_chart_font_changed, "legend"))
self.graph_background_color_layout = QFormLayout()
self.axis_grid_color_layout = QFormLayout()
self.background_color_lbl = QLabel("Graph Background Color ")
self.background_color_btn = QPushButton()
self.background_color_btn.setStyleSheet(
"background-color: " + self.chart.getBackgroundColor().name())
self.background_color_btn.setContentsMargins(10, 0, 5, 5)
self.background_color_btn.setMaximumWidth(20)
self.background_color_btn.clicked.connect(
self.handle_background_color_button_clicked)
self.axis_settings_layout = QVBoxLayout()
self.axis_settings_layout.setSpacing(10)
self.show_x_grid_chk = QCheckBox("Show x Grid")
self.show_x_grid_chk.setChecked(self.chart.showXGrid)
self.show_x_grid_chk.clicked.connect(
self.handle_show_x_grid_checkbox_clicked)
self.show_y_grid_chk = QCheckBox("Show y Grid")
self.show_y_grid_chk.setChecked(self.chart.showYGrid)
self.show_y_grid_chk.clicked.connect(
self.handle_show_y_grid_checkbox_clicked)
self.axis_color_lbl = QLabel("Axis and Grid Color")
self.axis_color_btn = QPushButton()
self.axis_color_btn.setStyleSheet("background-color: " +
DEFAULT_CHART_AXIS_COLOR.name())
self.axis_color_btn.setContentsMargins(10, 0, 5, 5)
self.axis_color_btn.setMaximumWidth(20)
self.axis_color_btn.clicked.connect(
self.handle_axis_color_button_clicked)
self.grid_opacity_lbl = QLabel("Grid Opacity")
self.grid_opacity_lbl.setEnabled(False)
self.grid_opacity_slr = QSlider(Qt.Horizontal)
self.grid_opacity_slr.setFocusPolicy(Qt.StrongFocus)
self.grid_opacity_slr.setRange(0, 10)
self.grid_opacity_slr.setValue(5)
self.grid_opacity_slr.setTickInterval(1)
self.grid_opacity_slr.setSingleStep(1)
self.grid_opacity_slr.setTickPosition(QSlider.TicksBelow)
self.grid_opacity_slr.valueChanged.connect(
self.handle_grid_opacity_slider_mouse_release)
self.grid_opacity_slr.setEnabled(False)
self.reset_data_settings_btn = QPushButton("Reset Data Settings")
self.reset_data_settings_btn.clicked.connect(
self.handle_reset_data_settings_btn_clicked)
self.reset_chart_settings_btn = QPushButton("Reset Chart Settings")
self.reset_chart_settings_btn.clicked.connect(
self.handle_reset_chart_settings_btn_clicked)
self.curve_checkbox_panel = QWidget()
self.graph_drawing_settings_grpbx = QGroupBox("Graph Intervals")
self.graph_drawing_settings_grpbx.setAlignment(Qt.AlignTop)
self.axis_settings_grpbx = QGroupBox("Graph Appearance")
self.app = QApplication.instance()
self.setup_ui()
self.curve_settings_disp = None
self.axis_settings_disp = None
self.chart_data_export_disp = None
self.chart_data_import_disp = None
self.grid_alpha = 5
self.time_span_limit_hours = None
self.time_span_limit_minutes = None
self.time_span_limit_seconds = None
self.data_sampling_mode = ASYNC_DATA_SAMPLING
# If there is an imported config file, let's start TimeChart with the imported configuration data
if config_file:
importer = SettingsImporter(self)
try:
importer.import_settings(config_file)
except SettingsImporterException:
display_message_box(
QMessageBox.Critical, "Import Failure",
"Cannot import the file '{0}'. Check the log for the error details."
.format(config_file))
logger.exception(
"Cannot import the file '{0}'.".format(config_file))
def ui_filepath(self):
"""
The path to the UI file created by Qt Designer, if applicable.
"""
# No UI file is being used
return None
def ui_filename(self):
"""
The name the UI file created by Qt Designer, if applicable.
"""
# No UI file is being used
return None
def setup_ui(self):
"""
Initialize the widgets and layouts.
"""
self.setLayout(self.main_layout)
self.pv_layout.addWidget(self.pv_protocol_cmb)
self.pv_layout.addWidget(self.pv_name_line_edt)
self.pv_layout.addWidget(self.pv_connect_push_btn)
self.pv_add_panel.setLayout(self.pv_layout)
QTimer.singleShot(0, self.pv_name_line_edt.setFocus)
self.curve_settings_tab.setLayout(self.curves_tab_layout)
self.chart_settings_tab.setLayout(self.chart_settings_layout)
self.setup_chart_settings_layout()
self.data_settings_tab.setLayout(self.data_tab_layout)
self.setup_data_tab_layout()
self.tab_panel.addTab(self.curve_settings_tab, "Curves")
self.tab_panel.addTab(self.data_settings_tab, "Data")
self.tab_panel.addTab(self.chart_settings_tab, "Graph")
self.crosshair_settings_layout.addWidget(self.enable_crosshair_chk)
self.crosshair_settings_layout.addWidget(self.crosshair_coord_lbl)
self.zoom_x_layout.addWidget(self.zoom_in_x_btn)
self.zoom_x_layout.addWidget(self.zoom_out_x_btn)
self.zoom_y_layout.addWidget(self.zoom_in_y_btn)
self.zoom_y_layout.addWidget(self.zoom_out_y_btn)
self.view_all_reset_chart_layout.addWidget(self.reset_chart_btn)
self.view_all_reset_chart_layout.addWidget(self.view_all_btn)
self.pause_chart_layout.addWidget(self.pause_chart_btn)
self.import_export_data_layout.addWidget(self.import_data_btn)
self.import_export_data_layout.addWidget(self.export_data_btn)
self.chart_control_layout.addLayout(self.zoom_x_layout)
self.chart_control_layout.addLayout(self.zoom_y_layout)
self.chart_control_layout.addLayout(self.view_all_reset_chart_layout)
self.chart_control_layout.addLayout(self.pause_chart_layout)
self.chart_control_layout.addLayout(self.crosshair_settings_layout)
self.chart_control_layout.addLayout(self.import_export_data_layout)
self.chart_control_layout.insertSpacing(5, 30)
self.chart_layout.addWidget(self.chart)
self.chart_layout.addLayout(self.chart_control_layout)
self.chart_panel.setLayout(self.chart_layout)
self.splitter.addWidget(self.chart_panel)
self.splitter.addWidget(self.tab_panel)
self.splitter.setSizes([1, 0])
self.splitter.setHandleWidth(10)
self.splitter.setStretchFactor(0, 0)
self.splitter.setStretchFactor(1, 1)
self.charting_layout.addWidget(self.splitter)
self.body_layout.addWidget(self.pv_add_panel)
self.body_layout.addLayout(self.charting_layout)
self.body_layout.setSpacing(0)
self.body_layout.setContentsMargins(0, 0, 0, 0)
self.main_layout.addLayout(self.body_layout)
self.enable_chart_control_buttons(False)
handle = self.splitter.handle(1)
layout = QVBoxLayout()
layout.setContentsMargins(0, 0, 0, 0)
button = QToolButton(handle)
button.setArrowType(Qt.LeftArrow)
button.clicked.connect(lambda: self.handle_splitter_button(True))
layout.addWidget(button)
button = QToolButton(handle)
button.setArrowType(Qt.RightArrow)
button.clicked.connect(lambda: self.handle_splitter_button(False))
layout.addWidget(button)
handle.setLayout(layout)
def handle_splitter_button(self, left=True):
if left:
self.splitter.setSizes([1, 1])
else:
self.splitter.setSizes([1, 0])
def change_legend_font(self, font):
if font is None:
return
self.legend_font = font
items = self.chart.plotItem.legend.items
for i in items:
i[1].item.setFont(font)
i[1].resizeEvent(None)
i[1].updateGeometry()
def change_title_font(self, font):
current_text = self.chart.plotItem.titleLabel.text
args = {
"family": font.family,
"size": "{}pt".format(font.pointSize()),
"bold": font.bold(),
"italic": font.italic(),
}
self.chart.plotItem.titleLabel.setText(current_text, **args)
def handle_chart_font_changed(self, target):
if target not in ("title", "legend"):
return
dialog = QFontDialog(self)
dialog.setOption(QFontDialog.DontUseNativeDialog, True)
if target == "title":
dialog.fontSelected.connect(self.change_title_font)
else:
dialog.fontSelected.connect(self.change_legend_font)
dialog.open()
def setup_data_tab_layout(self):
self.chart_sync_mode_sync_radio.toggled.connect(
partial(self.handle_sync_mode_radio_toggle,
self.chart_sync_mode_sync_radio))
self.chart_sync_mode_async_radio.toggled.connect(
partial(self.handle_sync_mode_radio_toggle,
self.chart_sync_mode_async_radio))
self.chart_sync_mode_layout.addWidget(self.chart_sync_mode_sync_radio)
self.chart_sync_mode_layout.addWidget(self.chart_sync_mode_async_radio)
self.chart_sync_mode_grpbx.setLayout(self.chart_sync_mode_layout)
self.data_tab_layout.addWidget(self.chart_sync_mode_grpbx)
self.chart_limit_time_span_layout.addWidget(
self.chart_limit_time_span_lbl)
self.chart_limit_time_span_layout.addWidget(
self.chart_limit_time_span_hours_spin_box)
self.chart_limit_time_span_layout.addWidget(
self.chart_limit_time_span_minutes_spin_box)
self.chart_limit_time_span_layout.addWidget(
self.chart_limit_time_span_seconds_spin_box)
self.chart_limit_time_span_layout.addWidget(
self.chart_limit_time_span_activate_btn)
self.chart_limit_time_span_lbl.hide()
self.chart_limit_time_span_hours_spin_box.hide()
self.chart_limit_time_span_minutes_spin_box.hide()
self.chart_limit_time_span_seconds_spin_box.hide()
self.chart_limit_time_span_activate_btn.hide()
self.chart_limit_time_span_hours_spin_box.valueChanged.connect(
self.handle_time_span_changed)
self.chart_limit_time_span_minutes_spin_box.valueChanged.connect(
self.handle_time_span_changed)
self.chart_limit_time_span_seconds_spin_box.valueChanged.connect(
self.handle_time_span_changed)
self.chart_limit_time_span_chk.clicked.connect(
self.handle_limit_time_span_checkbox_clicked)
self.chart_limit_time_span_activate_btn.clicked.connect(
self.handle_chart_limit_time_span_activate_btn_clicked)
self.chart_interval_layout.addRow(self.chart_redraw_rate_lbl,
self.chart_redraw_rate_spin)
self.chart_interval_layout.addRow(
self.chart_data_sampling_rate_lbl,
self.chart_data_async_sampling_rate_spin)
self.graph_drawing_settings_layout.addLayout(
self.chart_interval_layout)
self.graph_drawing_settings_layout.addWidget(
self.chart_limit_time_span_chk)
self.graph_drawing_settings_layout.addLayout(
self.chart_limit_time_span_layout)
self.chart_ring_buffer_layout.addRow(self.chart_ring_buffer_size_lbl,
self.chart_ring_buffer_size_edt)
self.graph_drawing_settings_layout.addLayout(
self.chart_ring_buffer_layout)
self.graph_drawing_settings_grpbx.setLayout(
self.graph_drawing_settings_layout)
self.data_tab_layout.addWidget(self.graph_drawing_settings_grpbx)
self.chart_sync_mode_async_radio.toggled.emit(True)
self.data_tab_layout.addWidget(self.reset_data_settings_btn)
def setup_chart_settings_layout(self):
self.chart_title_layout.addWidget(self.chart_title_lbl)
self.chart_title_layout.addWidget(self.chart_title_line_edt)
self.chart_title_layout.addWidget(self.chart_title_font_btn)
self.title_settings_layout.addLayout(self.chart_title_layout)
legend_layout = QHBoxLayout()
legend_layout.addWidget(self.show_legend_chk)
legend_layout.addWidget(self.legend_font_btn)
self.title_settings_layout.addLayout(legend_layout)
self.title_settings_layout.addWidget(
self.chart_change_axis_settings_btn)
self.title_settings_grpbx.setLayout(self.title_settings_layout)
self.chart_settings_layout.addWidget(self.title_settings_grpbx)
self.graph_background_color_layout.addRow(self.background_color_lbl,
self.background_color_btn)
self.axis_settings_layout.addLayout(self.graph_background_color_layout)
self.axis_grid_color_layout.addRow(self.axis_color_lbl,
self.axis_color_btn)
self.axis_settings_layout.addLayout(self.axis_grid_color_layout)
self.axis_settings_layout.addWidget(self.show_x_grid_chk)
self.axis_settings_layout.addWidget(self.show_y_grid_chk)
self.axis_settings_layout.addWidget(self.grid_opacity_lbl)
self.axis_settings_layout.addWidget(self.grid_opacity_slr)
self.axis_settings_grpbx.setLayout(self.axis_settings_layout)
self.chart_settings_layout.addWidget(self.axis_settings_grpbx)
self.chart_settings_layout.addWidget(self.reset_chart_settings_btn)
self.update_datetime_timer.start(1000)
def add_curve(self):
"""
Add a new curve to the chart.
"""
pv_name = self._get_full_pv_name(self.pv_name_line_edt.text())
if pv_name and len(pv_name):
color = random_color(curve_colors_only=True)
for k, v in self.channel_map.items():
if color == v.color:
color = random_color(curve_colors_only=True)
self.add_y_channel(pv_name=pv_name,
curve_name=pv_name,
color=color)
self.handle_splitter_button(left=True)
def show_mouse_coordinates(self, x, y):
self.crosshair_coord_lbl.clear()
self.crosshair_coord_lbl.setText("x = {0:.3f}\ny = {1:.3f}".format(
x, y))
def handle_enable_crosshair_checkbox_clicked(self, is_checked):
self.chart.enableCrosshair(is_checked)
self.crosshair_coord_lbl.setVisible(is_checked)
self.chart.crosshair_position_updated.connect(
self.show_mouse_coordinates)
def add_y_channel(self,
pv_name,
curve_name,
color,
line_style=Qt.SolidLine,
line_width=2,
symbol=None,
symbol_size=None,
is_visible=True):
if pv_name in self.channel_map:
logger.error("'{0}' has already been added.".format(pv_name))
return
curve = self.chart.addYChannel(y_channel=pv_name,
name=curve_name,
color=color,
lineStyle=line_style,
lineWidth=line_width,
symbol=symbol,
symbolSize=symbol_size)
curve.show() if is_visible else curve.hide()
if self.show_legend_chk.isChecked():
self.change_legend_font(self.legend_font)
self.channel_map[pv_name] = curve
self.generate_pv_controls(pv_name, color)
self.enable_chart_control_buttons()
try:
self.app.add_connection(curve.channel)
except AttributeError:
# these methods are not needed on future versions of pydm
pass
def generate_pv_controls(self, pv_name, curve_color):
"""
Generate a set of widgets to manage the appearance of a curve. The set of widgets includes:
1. A checkbox which shows the curve on the chart if checked, and hide the curve if not
checked
2. Three buttons -- Modify..., Focus, and Remove. Modify... will bring up the Curve
Settings dialog. Focus adjusts the chart's zooming for the current curve.
Remove will delete the curve from the chart
Parameters
----------
pv_name: str
The name of the PV the current curve is being plotted for
curve_color : QColor
The color of the curve to paint for the checkbox label to help the user track the curve
to the checkbox
"""
individual_curve_layout = QVBoxLayout()
size_policy = QSizePolicy()
size_policy.setVerticalPolicy(QSizePolicy.Fixed)
size_policy.setHorizontalPolicy(QSizePolicy.Fixed)
individual_curve_grpbx = QGroupBox()
individual_curve_grpbx.setMinimumWidth(300)
individual_curve_grpbx.setMinimumHeight(120)
individual_curve_grpbx.setAlignment(Qt.AlignTop)
individual_curve_grpbx.setSizePolicy(size_policy)
individual_curve_grpbx.setObjectName(pv_name + "_grb")
individual_curve_grpbx.setLayout(individual_curve_layout)
checkbox = QCheckBox(parent=individual_curve_grpbx)
checkbox.setObjectName(pv_name + "_chb")
palette = checkbox.palette()
palette.setColor(QPalette.Active, QPalette.WindowText, curve_color)
checkbox.setPalette(palette)
display_name = pv_name.split("://")[1]
if len(display_name) > MAX_DISPLAY_PV_NAME_LENGTH:
# Only display max allowed number of characters of the PV Name
display_name = display_name[
:int(MAX_DISPLAY_PV_NAME_LENGTH / 2) - 1] + "..." + \
display_name[
-int(MAX_DISPLAY_PV_NAME_LENGTH / 2) + 2:]
checkbox.setText(display_name)
data_text = QLabel(parent=individual_curve_grpbx)
data_text.setWordWrap(True)
data_text.setObjectName(pv_name + "_lbl")
data_text.setPalette(palette)
checkbox.setChecked(True)
checkbox.toggled.connect(
partial(self.handle_curve_chkbox_toggled, checkbox))
if not self.chart.findCurve(pv_name).isVisible():
checkbox.setChecked(False)
modify_curve_btn = QPushButton("Modify...",
parent=individual_curve_grpbx)
modify_curve_btn.setObjectName(pv_name + "_btn_modify")
modify_curve_btn.setMaximumWidth(80)
modify_curve_btn.clicked.connect(
partial(self.display_curve_settings_dialog, pv_name))
focus_curve_btn = QPushButton("Focus", parent=individual_curve_grpbx)
focus_curve_btn.setObjectName(pv_name + "_btn_focus")
focus_curve_btn.setMaximumWidth(80)
focus_curve_btn.clicked.connect(partial(self.focus_curve, pv_name))
clear_curve_btn = QPushButton("Clear", parent=individual_curve_grpbx)
clear_curve_btn.setObjectName(pv_name + "_btn_clear")
clear_curve_btn.setMaximumWidth(80)
clear_curve_btn.clicked.connect(partial(self.clear_curve, pv_name))
# annotate_curve_btn = QPushButton("Annotate...",
# parent=individual_curve_grpbx)
# annotate_curve_btn.setObjectName(pv_name+"_btn_ann")
# annotate_curve_btn.setMaximumWidth(80)
# annotate_curve_btn.clicked.connect(
# partial(self.annotate_curve, pv_name))
remove_curve_btn = QPushButton("Remove", parent=individual_curve_grpbx)
remove_curve_btn.setObjectName(pv_name + "_btn_remove")
remove_curve_btn.setMaximumWidth(80)
remove_curve_btn.clicked.connect(partial(self.remove_curve, pv_name))
curve_btn_layout = QHBoxLayout()
curve_btn_layout.setSpacing(5)
curve_btn_layout.addWidget(modify_curve_btn)
curve_btn_layout.addWidget(focus_curve_btn)
curve_btn_layout.addWidget(clear_curve_btn)
# curve_btn_layout.addWidget(annotate_curve_btn)
curve_btn_layout.addWidget(remove_curve_btn)
individual_curve_layout.addWidget(checkbox)
individual_curve_layout.addWidget(data_text)
individual_curve_layout.addLayout(curve_btn_layout)
self.curve_settings_layout.addWidget(individual_curve_grpbx)
self.tab_panel.setCurrentIndex(0)
def handle_curve_chkbox_toggled(self, checkbox):
"""
Handle a checkbox's checked and unchecked events.
If a checkbox is checked, find the curve from the channel map. If found, re-draw the curve with its previous
appearance settings.
If a checkbox is unchecked, remove the curve from the chart, but keep the cached data in the channel map.
Parameters
----------
checkbox : QCheckBox
The current checkbox being toggled
"""
pv_name = self._get_full_pv_name(checkbox.text())
if checkbox.isChecked():
curve = self.channel_map.get(pv_name, None)
if curve:
curve.show()
self.chart.addLegendItem(curve, pv_name,
self.show_legend_chk.isChecked())
self.change_legend_font(self.legend_font)
else:
curve = self.chart.findCurve(pv_name)
if curve:
curve.hide()
self.chart.removeLegendItem(pv_name)
def display_curve_settings_dialog(self, pv_name):
"""
Bring up the Curve Settings dialog to modify the appearance of a curve.
Parameters
----------
pv_name : str
The name of the PV the curve is being plotted for
"""
self.curve_settings_disp = CurveSettingsDisplay(self, pv_name)
self.curve_settings_disp.show()
def focus_curve(self, pv_name):
curve = self.chart.findCurve(pv_name)
if curve:
self.chart.plotItem.setYRange(curve.minY, curve.maxY, padding=0)
def clear_curve(self, pv_name):
curve = self.chart.findCurve(pv_name)
if curve:
curve.initialize_buffer()
def annotate_curve(self, pv_name):
curve = self.chart.findCurve(pv_name)
if curve:
annot = TextItem(
html=
'<div style="text-align: center"><span style="color: #FFF;">This is the'
'</span><br><span style="color: #FF0; font-size: 16pt;">PEAK</span></div>',
anchor=(-0.3, 0.5),
border='w',
fill=(0, 0, 255, 100))
self.chart.annotateCurve(curve, annot)
def remove_curve(self, pv_name):
"""
Remove a curve from the chart permanently. This will also clear the channel map cache from retaining the
removed curve's appearance settings.
Parameters
----------
pv_name : str
The name of the PV the curve is being plotted for
"""
curve = self.chart.findCurve(pv_name)
if curve:
try:
self.app.remove_connection(curve.channel)
except AttributeError:
# these methods are not needed on future versions of pydm
pass
self.chart.removeYChannel(curve)
del self.channel_map[pv_name]
self.chart.removeLegendItem(pv_name)
widget = self.findChild(QGroupBox, pv_name + "_grb")
if widget:
widget.deleteLater()
if len(self.chart.getCurves()) < 1:
self.enable_chart_control_buttons(False)
self.show_legend_chk.setChecked(False)
def handle_title_text_changed(self, new_text):
self.chart.setPlotTitle(new_text)
def handle_change_axis_settings_clicked(self):
self.axis_settings_disp = AxisSettingsDisplay(self)
self.axis_settings_disp.show()
def handle_limit_time_span_checkbox_clicked(self, is_checked):
self.chart_limit_time_span_lbl.setVisible(is_checked)
self.chart_limit_time_span_hours_spin_box.setVisible(is_checked)
self.chart_limit_time_span_minutes_spin_box.setVisible(is_checked)
self.chart_limit_time_span_seconds_spin_box.setVisible(is_checked)
self.chart_limit_time_span_activate_btn.setVisible(is_checked)
self.chart_ring_buffer_size_lbl.setDisabled(is_checked)
self.chart_ring_buffer_size_edt.setDisabled(is_checked)
if not is_checked:
self.chart_limit_time_span_chk.setText(self.limit_time_plan_text)
def handle_time_span_changed(self):
self.time_span_limit_hours = self.chart_limit_time_span_hours_spin_box.value(
)
self.time_span_limit_minutes = self.chart_limit_time_span_minutes_spin_box.value(
)
self.time_span_limit_seconds = self.chart_limit_time_span_seconds_spin_box.value(
)
status = self.time_span_limit_hours > 0 or self.time_span_limit_minutes > 0 or self.time_span_limit_seconds > 0
self.chart_limit_time_span_activate_btn.setEnabled(status)
def handle_chart_limit_time_span_activate_btn_clicked(self):
timeout_milliseconds = (self.time_span_limit_hours * 3600 +
self.time_span_limit_minutes * 60 +
self.time_span_limit_seconds) * 1000
self.chart.setTimeSpan(timeout_milliseconds / 1000.0)
self.chart_ring_buffer_size_edt.setText(str(
self.chart.getBufferSize()))
def handle_buffer_size_changed(self):
try:
new_buffer_size = int(self.chart_ring_buffer_size_edt.text())
if new_buffer_size and int(new_buffer_size) >= MINIMUM_BUFFER_SIZE:
self.chart.setBufferSize(new_buffer_size)
except ValueError:
display_message_box(QMessageBox.Critical, "Invalid Values",
"Only integer values are accepted.")
def handle_redraw_rate_changed(self):
self.chart.maxRedrawRate = self.chart_redraw_rate_spin.value()
def handle_data_sampling_rate_changed(self):
# The chart expects the value in milliseconds
sampling_rate_seconds = 1.0 / self.chart_data_async_sampling_rate_spin.value(
)
buffer_size = self.chart.getBufferSize()
self.chart.setUpdateInterval(sampling_rate_seconds)
if self.chart.getBufferSize() < buffer_size:
self.chart.setBufferSize(buffer_size)
self.chart_ring_buffer_size_edt.setText(str(
self.chart.getBufferSize()))
def handle_background_color_button_clicked(self):
selected_color = QColorDialog.getColor()
self.chart.setBackgroundColor(selected_color)
self.background_color_btn.setStyleSheet("background-color: " +
selected_color.name())
def handle_axis_color_button_clicked(self):
selected_color = QColorDialog.getColor()
self.chart.setAxisColor(selected_color)
self.axis_color_btn.setStyleSheet("background-color: " +
selected_color.name())
def handle_grid_opacity_slider_mouse_release(self):
self.grid_alpha = float(self.grid_opacity_slr.value()) / 10.0
self.chart.setShowXGrid(self.show_x_grid_chk.isChecked(),
self.grid_alpha)
self.chart.setShowYGrid(self.show_y_grid_chk.isChecked(),
self.grid_alpha)
def handle_show_x_grid_checkbox_clicked(self, is_checked):
self.chart.setShowXGrid(is_checked, self.grid_alpha)
self.grid_opacity_lbl.setEnabled(is_checked
or self.show_y_grid_chk.isChecked())
self.grid_opacity_slr.setEnabled(is_checked
or self.show_y_grid_chk.isChecked())
def handle_show_y_grid_checkbox_clicked(self, is_checked):
self.chart.setShowYGrid(is_checked, self.grid_alpha)
self.grid_opacity_lbl.setEnabled(is_checked
or self.show_x_grid_chk.isChecked())
self.grid_opacity_slr.setEnabled(is_checked
or self.show_x_grid_chk.isChecked())
def handle_show_legend_checkbox_clicked(self, is_checked):
self.chart.setShowLegend(is_checked)
def handle_export_data_btn_clicked(self):
self.chart_data_export_disp = ChartDataExportDisplay(self)
self.chart_data_export_disp.show()
def handle_import_data_btn_clicked(self):
open_file_info = QFileDialog.getOpenFileName(
self,
caption="Open File",
directory=os.path.expanduser('~'),
filter=IMPORT_FILE_FORMAT)
open_filename = open_file_info[0]
if open_filename:
try:
importer = SettingsImporter(self)
importer.import_settings(open_filename)
except SettingsImporterException:
display_message_box(
QMessageBox.Critical, "Import Failure",
"Cannot import the file '{0}'. Check the log for the error details."
.format(open_filename))
logger.exception(
"Cannot import the file '{0}'".format(open_filename))
def handle_sync_mode_radio_toggle(self, radio_btn):
if radio_btn.isChecked():
if radio_btn.text() == "Synchronous":
self.data_sampling_mode = SYNC_DATA_SAMPLING
self.chart_data_sampling_rate_lbl.hide()
self.chart_data_async_sampling_rate_spin.hide()
self.chart.resetTimeSpan()
self.chart_limit_time_span_chk.setChecked(False)
self.chart_limit_time_span_chk.clicked.emit(False)
self.chart_limit_time_span_chk.hide()
self.chart.setUpdatesAsynchronously(False)
elif radio_btn.text() == "Asynchronous":
self.data_sampling_mode = ASYNC_DATA_SAMPLING
self.chart_data_sampling_rate_lbl.show()
self.chart_data_async_sampling_rate_spin.show()
self.chart_limit_time_span_chk.show()
self.chart.setUpdatesAsynchronously(True)
def handle_zoom_in_btn_clicked(self, axis, is_zoom_in):
scale_factor = 0.5
if not is_zoom_in:
scale_factor += 1.0
if axis == "x":
self.chart.getViewBox().scaleBy(x=scale_factor)
elif axis == "y":
self.chart.getViewBox().scaleBy(y=scale_factor)
def handle_view_all_button_clicked(self):
self.chart.plotItem.getViewBox().autoRange()
def handle_pause_chart_btn_clicked(self):
if self.chart.pausePlotting():
self.pause_chart_btn.setIcon(self.pause_icon)
else:
self.pause_chart_btn.setIcon(self.play_icon)
def handle_reset_chart_btn_clicked(self):
self.chart.getViewBox().setXRange(DEFAULT_X_MIN, 0)
self.chart.resetAutoRangeY()
@Slot()
def handle_reset_chart_settings_btn_clicked(self):
self.chart.setBackgroundColor(DEFAULT_CHART_BACKGROUND_COLOR)
self.background_color_btn.setStyleSheet(
"background-color: " + DEFAULT_CHART_BACKGROUND_COLOR.name())
self.chart.setAxisColor(DEFAULT_CHART_AXIS_COLOR)
self.axis_color_btn.setStyleSheet("background-color: " +
DEFAULT_CHART_AXIS_COLOR.name())
self.grid_opacity_slr.setValue(5)
self.show_x_grid_chk.setChecked(False)
self.show_x_grid_chk.clicked.emit(False)
self.show_y_grid_chk.setChecked(False)
self.show_y_grid_chk.clicked.emit(False)
self.show_legend_chk.setChecked(False)
self.chart.setShowXGrid(False)
self.chart.setShowYGrid(False)
self.chart.setShowLegend(False)
@Slot()
def handle_reset_data_settings_btn_clicked(self):
self.chart_ring_buffer_size_edt.setText(str(DEFAULT_BUFFER_SIZE))
self.chart_redraw_rate_spin.setValue(DEFAULT_REDRAW_RATE_HZ)
self.handle_redraw_rate_changed()
self.chart_data_async_sampling_rate_spin.setValue(
DEFAULT_DATA_SAMPLING_RATE_HZ)
self.chart_data_sampling_rate_lbl.hide()
self.chart_data_async_sampling_rate_spin.hide()
self.chart_sync_mode_async_radio.setChecked(True)
self.chart_sync_mode_async_radio.toggled.emit(True)
self.chart_limit_time_span_chk.setChecked(False)
self.chart_limit_time_span_chk.setText(self.limit_time_plan_text)
self.chart_limit_time_span_chk.clicked.emit(False)
self.chart.setUpdatesAsynchronously(True)
self.chart.resetTimeSpan()
self.chart.resetUpdateInterval()
self.chart.setBufferSize(DEFAULT_BUFFER_SIZE)
def enable_chart_control_buttons(self, enabled=True):
self.zoom_in_x_btn.setEnabled(enabled)
self.zoom_out_x_btn.setEnabled(enabled)
self.zoom_in_y_btn.setEnabled(enabled)
self.zoom_out_y_btn.setEnabled(enabled)
self.view_all_btn.setEnabled(enabled)
self.reset_chart_btn.setEnabled(enabled)
self.pause_chart_btn.setIcon(self.pause_icon)
self.pause_chart_btn.setEnabled(enabled)
self.export_data_btn.setEnabled(enabled)
def _get_full_pv_name(self, pv_name):
"""
Append the protocol to the PV Name.
Parameters
----------
pv_name : str
The name of the PV the curve is being plotted for
"""
if pv_name and "://" not in pv_name:
pv_name = ''.join([self.pv_protocol_cmb.currentText(), pv_name])
return pv_name
def handle_update_datetime_timer_timeout(self):
current_label = self.chart.getBottomAxisLabel()
new_label = "Current Time: " + TimeChartDisplay.get_current_datetime()
if X_AXIS_LABEL_SEPARATOR in current_label:
current_label = current_label[current_label.
find(X_AXIS_LABEL_SEPARATOR) +
len(X_AXIS_LABEL_SEPARATOR):]
new_label += X_AXIS_LABEL_SEPARATOR + current_label
self.chart.setLabel("bottom", text=new_label)
def update_curve_data(self, curve):
"""
Determine if the PV is active. If not, disable the related PV controls.
If the PV is active, update the PV controls' states.
Parameters
----------
curve : PlotItem
A PlotItem, i.e. a plot, to draw on the chart.
"""
pv_name = curve.address
min_y = curve.minY if curve.minY else 0
max_y = curve.maxY if curve.maxY else 0
current_y = curve.data_buffer[1, -1]
grb = self.findChild(QGroupBox, pv_name + "_grb")
lbl = grb.findChild(QLabel, pv_name + "_lbl")
lbl.setText("(yMin = {0:.3f}, yMax = {1:.3f}) y = {2:.3f}".format(
min_y, max_y, current_y))
chb = grb.findChild(QCheckBox, pv_name + "_chb")
connected = curve.connected
if connected and chb.isEnabled():
return
chb.setEnabled(connected)
btn_modify = grb.findChild(QPushButton, pv_name + "_btn_modify")
btn_modify.setEnabled(connected)
btn_focus = grb.findChild(QPushButton, pv_name + "_btn_focus")
btn_focus.setEnabled(connected)
# btn_ann = grb.findChild(QPushButton, pv_name + "_btn_ann")
# btn_ann.setEnabled(connected)
@staticmethod
def get_current_datetime():
current_date = datetime.datetime.now().strftime("%b %d, %Y")
current_time = datetime.datetime.now().strftime("%H:%M:%S")
current_datetime = current_time + ' (' + current_date + ')'
return current_datetime
@property
def gridAlpha(self):
return self.grid_alpha
class Dimension(QWidget):
stateChanged = Signal(int)
valueChanged = Signal()
"""
pass in dimension
state: one of (State.X, State.Y, State.NONE, State.DISBALE)
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)
if self.nbins < 2:
state = State.DISABLE
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()
elif self.state == State.NONE:
self.x.setChecked(False)
self.y.setChecked(False)
self.slider.show()
self.spinbox.show()
self.units.show()
else:
self.x.setChecked(False)
self.x.setDisabled(True)
self.y.setChecked(False)
self.y.setDisabled(True)
self.slider.hide()
self.spinbox.show()
self.spinbox.setDisabled(True)
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
class AnimationWidget(QWidget):
"""Widget for interatviely making animations using the napari viewer.
Parameters
----------
viewer : napari.Viewer
napari viewer.
Attributes
----------
viewer : napari.Viewer
napari viewer.
animation : napari_animation.Animation
napari-animation animation in sync with the GUI.
"""
def __init__(self, viewer: Viewer, parent=None):
super().__init__(parent=parent)
# Store reference to viewer and create animation
self.viewer = viewer
self.animation = Animation(self.viewer)
# Initialise User Interface
self.keyframesListControlWidget = KeyFrameListControlWidget(
animation=self.animation, parent=self)
self.keyframesListWidget = KeyFramesListWidget(
self.animation.key_frames, parent=self)
self.frameWidget = FrameWidget(parent=self)
self.saveButton = QPushButton("Save Animation", parent=self)
self.animationSlider = QSlider(Qt.Horizontal, parent=self)
self.animationSlider.setToolTip("Scroll through animation")
self.animationSlider.setRange(0, len(self.animation._frames) - 1)
# Create layout
self.setLayout(QVBoxLayout())
self.layout().addWidget(self.keyframesListControlWidget)
self.layout().addWidget(self.keyframesListWidget)
self.layout().addWidget(self.frameWidget)
self.layout().addWidget(self.saveButton)
self.layout().addWidget(self.animationSlider)
# establish key bindings and callbacks
self._add_keybind_callbacks()
self._add_callbacks()
def _add_keybind_callbacks(self):
"""Bind keys"""
self._keybindings = [
("Alt-f", self._capture_keyframe_callback),
("Alt-r", self._replace_keyframe_callback),
("Alt-d", self._delete_keyframe_callback),
("Alt-a", lambda e: self.animation.key_frames.select_next()),
("Alt-b", lambda e: self.animation.key_frames.select_previous()),
]
for key, cb in self._keybindings:
self.viewer.bind_key(key, cb)
def _add_callbacks(self):
"""Establish callbacks"""
self.keyframesListControlWidget.deleteButton.clicked.connect(
self._delete_keyframe_callback)
self.keyframesListControlWidget.captureButton.clicked.connect(
self._capture_keyframe_callback)
self.saveButton.clicked.connect(self._save_callback)
self.animationSlider.valueChanged.connect(self._on_slider_moved)
self.animation._frames.events.n_frames.connect(self._nframes_changed)
keyframe_list = self.animation.key_frames
keyframe_list.events.inserted.connect(self._on_keyframes_changed)
keyframe_list.events.removed.connect(self._on_keyframes_changed)
keyframe_list.events.changed.connect(self._on_keyframes_changed)
keyframe_list.selection.events.active.connect(
self._on_active_keyframe_changed)
def _input_state(self):
"""Get current state of input widgets as {key->value} parameters."""
return {
"steps": int(self.frameWidget.stepsSpinBox.value()),
"ease": self.frameWidget.get_easing_func(),
}
def _capture_keyframe_callback(self, event=None):
"""Record current key-frame"""
self.animation.capture_keyframe(**self._input_state())
def _replace_keyframe_callback(self, event=None):
"""Replace current key-frame with new view"""
self.animation.capture_keyframe(**self._input_state(), insert=False)
def _delete_keyframe_callback(self, event=None):
"""Delete current key-frame"""
if self.animation.key_frames.selection.active:
self.animation.key_frames.remove_selected()
else:
raise ValueError("No selected keyframe to delete !")
def _on_keyframes_changed(self, event=None):
has_frames = bool(self.animation.key_frames)
self.keyframesListControlWidget.deleteButton.setEnabled(has_frames)
self.keyframesListWidget.setEnabled(has_frames)
self.frameWidget.setEnabled(has_frames)
def _on_active_keyframe_changed(self, event=None):
n_frames = len(self.animation._frames)
active_keyframe = event.value
if active_keyframe and n_frames:
self.animationSlider.blockSignals(True)
kf1_list = [
self.animation._frames._frame_index[n][0]
for n in range(n_frames)
]
frame_index = kf1_list.index(active_keyframe)
self.animationSlider.setValue(frame_index)
self.animationSlider.blockSignals(False)
self.keyframesListControlWidget.deleteButton.setEnabled(
bool(active_keyframe))
def _on_slider_moved(self, event=None):
frame_index = event
if frame_index < len(self.animation._frames) - 1:
with self.animation.key_frames.selection.events.active.blocker():
self.animation.set_movie_frame_index(frame_index)
def _save_callback(self, event=None):
if len(self.animation.key_frames) < 2:
error_dialog = QErrorMessage()
error_dialog.showMessage(
f"You need at least two key frames to generate \
an animation. Your only have {len(self.animation.key_frames)}")
error_dialog.exec_()
else:
filters = (
"Video files (*.mp4 *.gif *.mov *.avi *.mpg *.mpeg *.mkv *.wmv)"
";;Folder of PNGs (*)" # sep filters with ";;"
)
filename, _filter = QFileDialog.getSaveFileName(
self, "Save animation", str(Path.home()), filters)
if filename:
self.animation.animate(filename)
def _nframes_changed(self, event):
has_frames = bool(event.value)
self.animationSlider.setEnabled(has_frames)
self.animationSlider.blockSignals(has_frames)
self.animationSlider.setMaximum(event.value - 1 if has_frames else 0)
def closeEvent(self, ev) -> None:
# release callbacks
for key, _ in self._keybindings:
self.viewer.bind_key(key, None)
return super().closeEvent(ev)
