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Qt4_ResolutionBrick.py
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Qt4_ResolutionBrick.py
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#
# Project: MXCuBE
# https://github.com/mxcube.
#
# This file is part of MXCuBE software.
#
# MXCuBE is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# MXCuBE is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with MXCuBE. If not, see <http://www.gnu.org/licenses/>.
import logging
from QtImport import *
from BlissFramework import Qt4_Icons
from BlissFramework.Utils import Qt4_widget_colors
from BlissFramework.Qt4_BaseComponents import BlissWidget
__credits__ = ["MXCuBE colaboration"]
__version__ = "2.3"
__category__ = "General"
class Qt4_ResolutionBrick(BlissWidget):
"""
Descript. :
"""
STATE_COLORS = (Qt4_widget_colors.LIGHT_RED,
Qt4_widget_colors.LIGHT_RED,
Qt4_widget_colors.LIGHT_GREEN,
Qt4_widget_colors.LIGHT_YELLOW,
Qt4_widget_colors.LIGHT_YELLOW,
Qt4_widget_colors.LIGHT_YELLOW,
QColor(255,165,0),
Qt4_widget_colors.LIGHT_RED)
def __init__(self, *args):
"""
Descript. : Initiates BlissWidget Brick
"""
BlissWidget.__init__(self, *args)
# Hardware objects ----------------------------------------------------
self.resolution_hwobj = None
self.detector_distance_hwobj = None
self.door_interlock_hwobj = None
self.energy_hwobj = None
# Internal values -----------------------------------------------------
self.resolution_limits = None
self.detector_distance_limits = None
self.door_interlocked = True
# Properties ----------------------------------------------------------
self.addProperty('resolution', 'string', '')
self.addProperty('detectorDistance', 'string', '')
self.addProperty('energy', 'string', '')
self.addProperty('doorInterlock', 'string', '')
self.addProperty('defaultMode', 'combo',('Ang','mm'),'Ang')
self.addProperty('mmFormatString','formatString','###.##')
self.addProperty('angFormatString','formatString','##.###')
self.group_box = QGroupBox("Resolution", self)
current_label = QLabel("Current:", self.group_box)
current_label.setFixedWidth(75)
self.resolution_ledit = QLineEdit(self.group_box)
self.resolution_ledit.setReadOnly(True)
self.detector_distance_ledit = QLineEdit(self.group_box)
self.detector_distance_ledit.setReadOnly(True)
_new_value_widget = QWidget(self)
set_to_label = QLabel("Set to:",self.group_box)
self.new_value_ledit = QLineEdit(self.group_box)
self.units_combobox = QComboBox(_new_value_widget)
self.stop_button = QPushButton(_new_value_widget)
self.stop_button.setIcon(Qt4_Icons.load_icon("Stop2"))
self.stop_button.setEnabled(False)
self.stop_button.setFixedWidth(25)
# Layout --------------------------------------------------------------
_new_value_widget_hlayout = QHBoxLayout(_new_value_widget)
_new_value_widget_hlayout.addWidget(self.new_value_ledit)
_new_value_widget_hlayout.addWidget(self.units_combobox)
_new_value_widget_hlayout.addWidget(self.stop_button)
_new_value_widget_hlayout.setSpacing(0)
_new_value_widget_hlayout.setContentsMargins(0, 0, 0, 0)
_group_box_gridlayout = QGridLayout(self.group_box)
_group_box_gridlayout.addWidget(current_label, 0, 0, 2, 1)
_group_box_gridlayout.addWidget(self.resolution_ledit, 0, 1)
_group_box_gridlayout.addWidget(self.detector_distance_ledit, 1, 1)
_group_box_gridlayout.addWidget(set_to_label, 2, 0)
_group_box_gridlayout.addWidget(_new_value_widget, 2, 1)
_group_box_gridlayout.setSpacing(0)
_group_box_gridlayout.setContentsMargins(1, 1, 1, 1)
_main_vlayout = QVBoxLayout(self)
_main_vlayout.setSpacing(0)
_main_vlayout.setContentsMargins(0, 0, 2, 2)
_main_vlayout.addWidget(self.group_box)
# SizePolicies --------------------------------------------------------
# Qt signal/slot connections ------------------------------------------
self.new_value_ledit.returnPressed.connect(self.current_value_changed)
self.new_value_ledit.textChanged.connect(self.input_field_changed)
self.units_combobox.activated.connect(self.unit_changed)
self.stop_button.clicked.connect(self.stop_clicked)
# Other ---------------------------------------------------------------
Qt4_widget_colors.set_widget_color(self.new_value_ledit,
Qt4_widget_colors.LINE_EDIT_ACTIVE,
QPalette.Base)
self.new_value_validator = QDoubleValidator(\
0, 15, 4, self.new_value_ledit)
self.units_combobox.addItem(chr(197))
self.units_combobox.addItem("mm")
self.instance_synchronize("group_box",
"resolution_ledit",
"detector_distance_ledit",
"new_value_ledit",
"units_combobox")
def propertyChanged(self, property_name, old_value, new_value):
"""
Descript. :
Args. :
Return : None
"""
if property_name == 'resolution':
if self.resolution_hwobj is not None:
self.disconnect(self.resolution_hwobj,
'deviceReady',
self.resolution_ready)
self.disconnect(self.resolution_hwobj,
'deviceNotReady',
self.resolution_not_ready)
self.disconnect(self.resolution_hwobj,
'stateChanged',
self.resolution_state_changed)
self.disconnect(self.resolution_hwobj,
'positionChanged',
self.resolution_value_changed)
self.disconnect(self.resolution_hwobj,
'limitsChanged',
self.resolution_limits_changed)
self.resolution_hwobj = self.getHardwareObject(new_value)
if self.resolution_hwobj is not None:
self.connect(self.resolution_hwobj,
'deviceReady',
self.resolution_ready)
self.connect(self.resolution_hwobj,
'deviceNotReady',
self.resolution_not_ready)
self.connect(self.resolution_hwobj,
'stateChanged',
self.resolution_state_changed)
self.connect(self.resolution_hwobj,
'positionChanged',
self.resolution_value_changed)
self.connect(self.resolution_hwobj,
'limitsChanged',
self.resolution_limits_changed)
if self.resolution_hwobj.isReady():
self.resolution_hwobj.update_values()
self.connected()
else:
self.disconnected()
self.update_gui()
elif property_name == 'detectorDistance':
if self.detector_distance_hwobj is not None:
self.disconnect(self.detector_distance_hwobj,
'deviceReady',
self.detector_distance_ready)
self.disconnect(self.detector_distance_hwobj,
'deviceNotReady',
self.detector_distance_not_ready)
self.disconnect(self.detector_distance_hwobj,
'stateChanged',
self.detector_distance_state_changed)
self.disconnect(self.detector_distance_hwobj,
'positionChanged',
self.detector_distance_changed)
self.disconnect(self.detector_distance_hwobj,
'limitsChanged',
self.detector_distance_limits_changed)
self.detector_distance_hwobj = self.getHardwareObject(new_value)
if self.detector_distance_hwobj is not None:
self.connect(self.detector_distance_hwobj,
'deviceReady',
self.detector_distance_ready)
self.connect(self.detector_distance_hwobj,
'deviceNotReady',
self.detector_distance_not_ready)
self.connect(self.detector_distance_hwobj,
'stateChanged',
self.detector_distance_state_changed)
self.connect(self.detector_distance_hwobj,
'positionChanged',
self.detector_distance_changed)
self.connect(self.detector_distance_hwobj,
'limitsChanged',
self.detector_distance_limits_changed)
if self.detector_distance_hwobj.isReady():
self.detector_distance_hwobj.update_values()
self.connected()
else:
self.disconnected()
self.update_gui()
elif property_name == 'energy':
if self.energy_hwobj is not None:
self.disconnect(self.energy_hwobj,
'moveEnergyFinished',
self.energy_changed)
self.energy_hwobj = self.getHardwareObject(new_value)
if self.energy_hwobj is not None:
self.connect(self.energy_hwobj,
'moveEnergyFinished',
self.energy_changed)
elif property_name == 'doorInterlock':
if self.door_interlock_hwobj is not None:
self.disconnect(self.door_interlock_hwobj,
'doorInterlockStateChanged',
self.door_interlock_state_changed)
self.door_interlock_hwobj = self.getHardwareObject(new_value)
if self.door_interlock_hwobj is not None:
self.connect(self.door_interlock_hwobj,
'doorInterlockStateChanged',
self.door_interlock_state_changed)
else:
BlissWidget.propertyChanged(self, property_name, old_value, new_value)
def input_field_changed(self, input_field_text):
"""
Descript. :
Args. :
Return : None
"""
if self.new_value_validator.validate(input_field_text, 0)[0] == \
QValidator.Acceptable:
Qt4_widget_colors.set_widget_color(\
self.new_value_ledit,
Qt4_widget_colors.LINE_EDIT_CHANGED,
QPalette.Base)
else:
Qt4_widget_colors.set_widget_color(\
self.new_value_ledit,
Qt4_widget_colors.LINE_EDIT_ERROR,
QPalette.Base)
def current_value_changed(self):
"""
Descript. :
Args. :
Return : None
"""
input_field_text = self.new_value_ledit.text()
if self.new_value_validator.validate(input_field_text, 0)[0] == \
QValidator.Acceptable:
unit = self.units_combobox.currentText()
value = float()
self.new_value_ledit.setText("")
if unit == chr(197):
self.set_resolution(float(input_field_text))
elif unit=="mm":
self.set_detector_distance(float(input_field_text))
Qt4_widget_colors.set_widget_color(\
self.new_value_ledit,
Qt4_widget_colors.LINE_EDIT_ACTIVE,
QPalette.Base)
def connected(self):
"""
Descript. :
Args. :
Return : None
"""
self.setEnabled(True)
def disconnected(self):
"""
Descript. :
Args. :
Return : None
"""
self.setEnabled(False)
def detector_distance_limits_changed(self, limits):
if limits:
self.detector_distance_limits = limits
self.update_gui()
def resolution_limits_changed(self, limits):
if limits:
self.resolution_limits = limits
self.update_gui()
def create_tool_tip(self):
tool_tip = ""
if self.units_combobox.currentText() == "mm" and \
self.detector_distance_limits:
tool_tip = "Detector distance limits %0.1f : %0.1f mm" \
%(self.detector_distance_limits[0],
self.detector_distance_limits[1])
elif self.resolution_limits:
tool_tip = "Resolution limits %0.1f : %0.1f %s"\
%(self.resolution_limits[0],
self.resolution_limits[1],
chr(197))
if not self.door_interlocked:
tool_tip = "\n\nMove resolution command disabled."
tool_tip += "\nLock the hutch doors to enable."
self.new_value_ledit.setToolTip(tool_tip)
def unit_changed(self, unit_index):
self.update_gui()
self.new_value_ledit.blockSignals(True)
self.new_value_ledit.setText("")
self.new_value_ledit.blockSignals(False)
def update_gui(self, resolution_ready=None, detector_ready=None):
"""
Door interlock is optional, because not all sites might have it
"""
if self.detector_distance_hwobj is None:
detector_ready = False
elif detector_ready is None:
try:
if self.detector_distance_hwobj.connection.isSpecConnected():
detector_ready = self.detector_distance_hwobj.isReady()
except AttributeError:
detector_ready = self.detector_distance_hwobj.isReady()
if detector_ready:
self.get_detector_distance_limits()
curr_detector_distance = self.detector_distance_hwobj.getPosition()
self.detector_distance_changed(curr_detector_distance)
self.detector_distance_state_changed(self.detector_distance_hwobj.getState())
if self.units_combobox.currentText() == "mm":
self.group_box.setTitle('Detector distance')
self.new_value_validator.setRange(self.detector_distance_limits[0],
self.detector_distance_limits[1],
2)
else:
self.detector_distance_state_changed(None)
if self.resolution_hwobj is None:
resolution_ready = False
elif resolution_ready is None:
try:
if self.resolution_hwobj.connection.isSpecConnected():
resolution_ready = self.resolution_hwobj.isReady()
except AttributeError:
resolution_ready = self.resolution_hwobj.isReady()
if resolution_ready:
self.get_resolution_limits()
curr_resolution = self.resolution_hwobj.getPosition()
self.resolution_value_changed(curr_resolution)
self.resolution_state_changed(self.resolution_hwobj.getState())
if self.units_combobox.currentText() != "mm":
self.group_box.setTitle('Resolution')
self.new_value_validator.setRange(self.resolution_limits[0],
self.resolution_limits[1],
3)
else:
self.resolution_state_changed(None)
self.new_value_ledit.setEnabled(self.door_interlocked)
self.setEnabled(self.door_interlocked)
self.create_tool_tip()
def resolution_ready(self):
self.update_gui(resolution_ready=True)
def resolution_not_ready(self):
self.update_gui(resolution_ready=False)
def detector_distance_ready(self):
self.update_gui(detector_ready=True)
def detector_distance_not_ready(self):
self.update_gui(detector_ready=False)
def set_resolution(self, value):
if self.resolution_limits is not None:
if self.resolution_limits[0] < value < self.resolution_limits[1]:
self.resolution_hwobj.move(value)
def set_detector_distance(self, value):
if self.detector_distance_limits is not None:
if self.detector_distance_limits[0] < value < self.detector_distance_limits[1]:
self.detector_distance_hwobj.move(value)
def energy_changed(self):
self.get_resolution_limits(True)
def get_resolution_limits(self, force = False, resolution_ready = None):
if self.resolution_limits is not None and force is False:
return
if resolution_ready is None:
resolution_ready=False
if self.resolution_hwobj is not None:
try:
if self.resolution_hwobj.connection.isSpecConnected():
resolution_ready = self.resolution_hwobj.isReady()
except AttributeError:
resolution_ready = self.resolution_hwobj.isReady()
if resolution_ready:
self.resolution_limits_changed(self.resolution_hwobj.getLimits())
else:
self.resolution_limits = None
def get_detector_distance_limits(self, force = False):
if self.detector_distance_limits is not None and force is False:
return
detector_ready = False
if self.detector_distance_hwobj is not None:
try:
if self.detector_distance_hwobj.connection.isSpecConnected():
detector_ready = self.detector_distance_hwobj.isReady()
except AttributeError:
detector_ready=self.detector_distance_hwobj.isReady()
if detector_ready:
self.detector_distance_limits_changed(self.detector_distance_hwobj.getLimits())
else:
self.detector_distance_limits = None
def resolution_value_changed(self, value):
if value:
resolution_str = self['angFormatString'] % float(value)
self.resolution_ledit.setText("%s %s" % (resolution_str, u"\u212B"))
def detector_distance_changed(self, value):
if value:
detector_str = self['mmFormatString'] % value
self.detector_distance_ledit.setText("%s mm" % detector_str)
def resolution_state_changed(self, state):
if self.detector_distance_hwobj is not None:
if state:
color = Qt4_ResolutionBrick.STATE_COLORS[state]
else:
color = Qt4_widget_colors.LIGHT_RED
unit = self.units_combobox.currentText()
if unit is chr(197):
if state == self.detector_distance_hwobj.READY:
self.new_value_ledit.blockSignals(True)
self.new_value_ledit.setText("")
self.new_value_ledit.blockSignals(False)
self.new_value_ledit.setEnabled(True)
else:
self.new_value_ledit.setEnabled(False)
if state == self.detector_distance_hwobj.MOVING or \
state == self.detector_distance_hwobj.MOVESTARTED:
self.stop_button.setEnabled(True)
else:
self.stop_button.setEnabled(False)
Qt4_widget_colors.set_widget_color(self.new_value_ledit, color)
def detector_distance_state_changed(self, state):
if state is None:
return
color = Qt4_ResolutionBrick.STATE_COLORS[state]
unit = self.units_combobox.currentText()
if unit == "mm":
if state == self.detector_distance_hwobj.READY:
self.new_value_ledit.blockSignals(True)
self.new_value_ledit.setText("")
self.new_value_ledit.blockSignals(False)
self.new_value_ledit.setEnabled(True)
else:
self.new_value_ledit.setEnabled(False)
if state == self.detector_distance_hwobj.MOVING or \
state == self.detector_distance_hwobj.MOVESTARTED:
self.stop_button.setEnabled(True)
else:
self.stop_button.setEnabled(False)
Qt4_widget_colors.set_widget_color(self.new_value_ledit, color)
def stop_clicked(self):
unit = self.units_combobox.currentText()
if unit == chr(197):
self.resolution_hwobj.stop()
elif unit == "mm":
self.detector_distance_hwobj.stop()
def door_interlock_state_changed(self, state, state_message):
self.door_interlocked = state in ['locked_active', 'locked_inactive']
self.update_gui()