class PMGTableShow(BaseExtendedWidget):
default_bg = QTableWidgetItem().background()
default_fg = QTableWidgetItem().foreground()
def __init__(self,
layout_dir: str,
title: List[str],
initial_value: List[List[Union[int, float, str]]],
size_restricted=False,
header_adaption_h=False,
header_adaption_v=False,
background_color: List[List[Union[str]]] = None,
foreground_color: List[List[Union[str]]] = None):
super().__init__(layout_dir=layout_dir)
self.maximum_rows = 100
self.size_restricted = size_restricted
self.header_adaption_h = header_adaption_h
self.header_adaption_v = header_adaption_v
self.background_color = background_color if background_color is not None else ''
self.foreground_color = foreground_color if foreground_color is not None else ''
self.char_width = 15
self.on_check_callback = None
self.title_list = title
entryLayout = QHBoxLayout()
entryLayout.setContentsMargins(0, 0, 0, 0)
self.ctrl = QTableWidget()
self.ctrl.verticalHeader().setVisible(False)
self.set_params(size_restricted, header_adaption_h, header_adaption_v)
self.ctrl.setColumnCount(len(title))
self.ctrl.setHorizontalScrollBarPolicy(Qt.ScrollBarAsNeeded)
for i, text in enumerate(title):
self.ctrl.setColumnWidth(i, len(text) * self.char_width + 10)
self.ctrl.setHorizontalHeaderItem(i, QTableWidgetItem(text))
self.central_layout.addLayout(entryLayout)
entryLayout.addWidget(self.ctrl)
if initial_value is not None:
for sublist in initial_value:
assert len(sublist) == len(title), \
'title is not as long as sublist,%s,%s' % (repr(title), sublist)
self.ctrl.setRowCount(len(initial_value))
self.set_value(initial_value)
def set_params(self,
size_restricted=False,
header_adaption_h=False,
header_adaption_v=False):
self.size_restricted = size_restricted
self.header_adaption_h = header_adaption_h
self.header_adaption_v = header_adaption_v
if header_adaption_h:
self.ctrl.horizontalHeader().setSectionResizeMode(
QHeaderView.Stretch)
if header_adaption_v:
self.ctrl.verticalHeader().setSectionResizeMode(
QHeaderView.Stretch)
def check_data(self, value: List[List[Union[int, float, str]]]):
for sublist in value:
assert len(sublist) == len(self.title_list),\
'%s,%s' % (repr(sublist), repr(self.title_list))
def set_value(self, value: List[List[Union[int, float, str]]]):
self.check_data(value)
self.ctrl.setRowCount(len(value))
cols = len(value[0])
if isinstance(self.foreground_color, str):
fg = [[self.foreground_color for i in range(cols)]
for j in range(len(value))]
else:
fg = self.foreground_color
if isinstance(self.background_color, str):
bg = [[self.background_color for i in range(cols)]
for j in range(len(value))]
else:
bg = self.background_color
for row, row_list in enumerate(value):
for col, content in enumerate(row_list):
if len(str(content)) * self.char_width > self.ctrl.columnWidth(
col):
self.ctrl.setColumnWidth(
col,
len(str(content)) * self.char_width + 10)
table_item = QTableWidgetItem(str(content))
table_item.setTextAlignment(Qt.AlignCenter)
# 字体颜色（红色）
if fg[row][col] == '':
table_item.setForeground(self.default_fg)
else:
table_item.setForeground(
QBrush(QColor(*color_str2tup(fg[row][col]))))
# 背景颜色（红色）
if bg[row][col] == '':
table_item.setBackground(self.default_bg)
else:
table_item.setBackground(
QBrush(QColor(*color_str2tup(bg[row][col]))))
self.ctrl.setItem(row, col, table_item)
if self.size_restricted:
if self.header_adaption_h:
self.ctrl.setHorizontalScrollBarPolicy(Qt.ScrollBarAlwaysOff)
scrollbar_area_width = 0
else:
self.ctrl.setHorizontalScrollBarPolicy(Qt.ScrollBarAsNeeded)
scrollbar_area_width = 10
self.ctrl.setMaximumHeight((self.ctrl.rowCount() + 1) * 30 +
scrollbar_area_width)
self.setMaximumHeight((self.ctrl.rowCount() + 1) * 30 +
scrollbar_area_width)
def alert(self, alert_level: int):
self.ctrl.alert(alert_level)
def add_row(self, row: List):
assert len(row) == self.ctrl.columnCount()
rc = self.ctrl.rowCount()
self.ctrl.setRowCount(rc + 1)
for i, val in enumerate(row):
self.ctrl.setItem(rc, i, QTableWidgetItem(str(val)))
if self.ctrl.rowCount() > self.maximum_rows:
self.ctrl.removeRow(0)
class CameraWindow(PyDialog):
"""defines the CameraWindow class"""
def __init__(self, data, win_parent=None):
"""
+--------+
| Camera |
+--------+---------------+
| Camera Name |
| +-------------------+ |
| | | |
| | | |
| | | |
| | | |
| | | |
| +-------------------+ |
| |
| Name xxx Save |
| Delete Set |
| |
| Apply OK Cancel |
+--------+---------------+
"""
PyDialog.__init__(self, data, win_parent)
self.setWindowTitle('Camera Views')
#self.setWindowIcon(view_icon)
self._default_name = 'Camera'
self.out_data['clicked_ok'] = False
self.cameras = deepcopy(data['cameras'])
self.names = sorted(self.cameras.keys())
self.name = QLabel("Name:")
self.name_edit = QLineEdit(str(self._default_name))
self.delete_button = QPushButton("Delete")
self.set_button = QPushButton("Set")
self.save_button = QPushButton("Save")
# closing
self.apply_button = QPushButton("Apply")
self.close_button = QPushButton("Close")
self.cancel_button = QPushButton("Cancel")
self.table = QTableWidget()
names_text = []
for name in self.names:
name_text = QTableWidgetItem(str(name))
names_text.append(name_text)
self.create_layout(names_text)
self.set_connections()
def create_layout(self, names_text):
nrows = len(self.names)
table = self.table
table.setRowCount(nrows)
table.setColumnCount(1)
headers = ['Camera Name']
table.setHorizontalHeaderLabels(headers)
header = table.horizontalHeader()
header.setStretchLastSection(True)
for iname, name_text in enumerate(names_text):
# row, col, value
table.setItem(iname, 0, name_text)
table.resizeRowsToContents()
ok_cancel_box = QHBoxLayout()
ok_cancel_box.addWidget(self.apply_button)
ok_cancel_box.addWidget(self.close_button)
ok_cancel_box.addWidget(self.cancel_button)
grid = QGridLayout()
irow = 0
grid.addWidget(self.name, irow, 0)
grid.addWidget(self.name_edit, irow, 1)
grid.addWidget(self.save_button, irow, 2)
irow += 1
grid.addWidget(self.delete_button, irow, 0)
grid.addWidget(self.set_button, irow, 1)
irow += 1
vbox = QVBoxLayout()
vbox.addWidget(self.table)
vbox.addLayout(grid)
vbox.addStretch()
vbox.addLayout(ok_cancel_box)
self.setLayout(vbox)
def set_connections(self):
"""creates the actions for the menu"""
#if qt_version == 4:
#self.connect(self.ok_button, QtCore.SIGNAL('clicked()'), self.on_ok)
self.set_button.clicked.connect(self.on_set)
self.save_button.clicked.connect(self.on_save)
self.delete_button.clicked.connect(self.on_delete)
self.apply_button.clicked.connect(self.on_apply)
self.close_button.clicked.connect(self.on_close)
self.cancel_button.clicked.connect(self.on_cancel)
def on_set(self):
objs = self.table.selectedIndexes()
if len(objs) == 1:
obj = objs[0]
irow = obj.row()
name = self.names[irow]
self.set_camera(name)
return True
return False
def on_save(self):
name = str(self.name_edit.text()).strip()
if name in self.cameras:
return
irow = self.nrows
if len(name):
self.table.insertRow(irow)
name_text = QTableWidgetItem(str(name))
self.table.setItem(irow, 0, name_text)
self.name_edit.setText('')
self.save_camera(name)
def set_camera(self, name):
camera_data = self.cameras[name]
if self.win_parent is None:
return
self.win_parent.on_set_camera_data(camera_data)
def save_camera(self, name):
self.names.append(name)
if self.win_parent is None:
self.cameras[name] = None
return
self.cameras[name] = self.win_parent.get_camera_data()
@property
def nrows(self):
return self.table.rowCount()
def on_delete(self):
irows = []
for obj in self.table.selectedIndexes():
irow = obj.row()
irows.append(irow)
irows.sort()
for irow in reversed(irows):
self.table.removeRow(irow)
name = self.names.pop(irow)
del self.cameras[name]
#print(' removing irow=%s name=%r' % (irow, name))
def closeEvent(self, event):
event.accept()
def on_apply(self):
passed = self.on_set()
#if passed:
# self.win_parent.create_plane(self.out_data)
return passed
def on_close(self):
self.out_data['clicked_ok'] = True
self.out_data['cameras'] = self.cameras
self.close()
def on_ok(self):
passed = self.on_apply()
if passed:
name = str(self.name_edit.text()).strip()
self.out_data['name'] = name
self.out_data['cameras'] = self.cameras
self.out_data['clicked_ok'] = True
self.close()
#self.destroy()
def on_cancel(self):
self.close()
class MCSDialog(QDialog):
"""A dialog to perform minimal cut set computation"""
def __init__(self, appdata: CnaData, centralwidget):
QDialog.__init__(self)
self.setWindowTitle("Minimal Cut Sets Computation")
self.appdata = appdata
self.centralwidget = centralwidget
self.eng = appdata.engine
self.out = io.StringIO()
self.err = io.StringIO()
self.layout = QVBoxLayout()
l1 = QLabel("Target Region(s)")
self.layout.addWidget(l1)
s1 = QHBoxLayout()
completer = QCompleter(
self.appdata.project.cobra_py_model.reactions.list_attr("id"), self)
completer.setCaseSensitivity(Qt.CaseInsensitive)
self.target_list = QTableWidget(1, 4)
self.target_list.setHorizontalHeaderLabels(
["region no", "T", "≥/≤", "t"])
self.target_list.horizontalHeader().setSectionResizeMode(QHeaderView.Stretch)
self.target_list.horizontalHeader().setSectionResizeMode(0, QHeaderView.Fixed)
self.target_list.horizontalHeader().resizeSection(0, 100)
self.target_list.horizontalHeader().setSectionResizeMode(2, QHeaderView.Fixed)
self.target_list.horizontalHeader().resizeSection(2, 50)
item = QLineEdit("1")
self.target_list.setCellWidget(0, 0, item)
item2 = QLineEdit("")
item2.setCompleter(completer)
self.target_list.setCellWidget(0, 1, item2)
combo = QComboBox(self.target_list)
combo.insertItem(1, "≤")
combo.insertItem(2, "≥")
self.target_list.setCellWidget(0, 2, combo)
item = QLineEdit("0")
self.target_list.setCellWidget(0, 3, item)
s1.addWidget(self.target_list)
s11 = QVBoxLayout()
self.add_target = QPushButton("+")
self.add_target.clicked.connect(self.add_target_region)
self.rem_target = QPushButton("-")
self.rem_target.clicked.connect(self.rem_target_region)
s11.addWidget(self.add_target)
s11.addWidget(self.rem_target)
s1.addItem(s11)
self.layout.addItem(s1)
l2 = QLabel("Desired Region(s)")
self.layout.addWidget(l2)
s2 = QHBoxLayout()
self.desired_list = QTableWidget(1, 4)
self.desired_list.setHorizontalHeaderLabels(
["region no", "D", "≥/≤", "d"])
self.desired_list.horizontalHeader().setSectionResizeMode(QHeaderView.Stretch)
self.desired_list.horizontalHeader().setSectionResizeMode(0, QHeaderView.Fixed)
self.desired_list.horizontalHeader().resizeSection(0, 100)
self.desired_list.horizontalHeader().setSectionResizeMode(2, QHeaderView.Fixed)
self.desired_list.horizontalHeader().resizeSection(2, 50)
item = QLineEdit("1")
self.desired_list.setCellWidget(0, 0, item)
item2 = QLineEdit("")
item2.setCompleter(completer)
self.desired_list.setCellWidget(0, 1, item2)
combo = QComboBox(self.desired_list)
combo.insertItem(1, "≤")
combo.insertItem(2, "≥")
self.desired_list.setCellWidget(0, 2, combo)
item = QLineEdit("0")
self.desired_list.setCellWidget(0, 3, item)
s2.addWidget(self.desired_list)
s21 = QVBoxLayout()
self.add_desire = QPushButton("+")
self.add_desire.clicked.connect(self.add_desired_region)
self.rem_desire = QPushButton("-")
self.rem_desire.clicked.connect(self.rem_desired_region)
s21.addWidget(self.add_desire)
s21.addWidget(self.rem_desire)
s2.addItem(s21)
self.layout.addItem(s2)
s3 = QHBoxLayout()
sgx = QVBoxLayout()
self.gen_kos = QCheckBox("Gene KOs")
self.exclude_boundary = QCheckBox(
"Exclude boundary\nreactions as cuts")
sg1 = QHBoxLayout()
s31 = QVBoxLayout()
l = QLabel("Max. Solutions")
s31.addWidget(l)
l = QLabel("Max. Size")
s31.addWidget(l)
l = QLabel("Time Limit [sec]")
s31.addWidget(l)
sg1.addItem(s31)
s32 = QVBoxLayout()
self.max_solu = QLineEdit("inf")
self.max_solu.setMaximumWidth(50)
s32.addWidget(self.max_solu)
self.max_size = QLineEdit("7")
self.max_size.setMaximumWidth(50)
s32.addWidget(self.max_size)
self.time_limit = QLineEdit("inf")
self.time_limit.setMaximumWidth(50)
s32.addWidget(self.time_limit)
sg1.addItem(s32)
sgx.addWidget(self.gen_kos)
sgx.addWidget(self.exclude_boundary)
sgx.addItem(sg1)
s3.addItem(sgx)
g3 = QGroupBox("Solver")
s33 = QVBoxLayout()
self.bg1 = QButtonGroup()
optlang_solver_name = interface_to_str(
appdata.project.cobra_py_model.problem)
self.solver_optlang = QRadioButton(f"{optlang_solver_name} (optlang)")
self.solver_optlang.setToolTip(
"Uses the solver specified by the current model.")
s33.addWidget(self.solver_optlang)
self.bg1.addButton(self.solver_optlang)
self.solver_cplex_matlab = QRadioButton("CPLEX (MATLAB)")
self.solver_cplex_matlab.setToolTip(
"Only enabled with MATLAB and CPLEX")
s33.addWidget(self.solver_cplex_matlab)
self.bg1.addButton(self.solver_cplex_matlab)
self.solver_cplex_java = QRadioButton("CPLEX (Octave)")
self.solver_cplex_java.setToolTip("Only enabled with Octave and CPLEX")
s33.addWidget(self.solver_cplex_java)
self.bg1.addButton(self.solver_cplex_java)
self.solver_intlinprog = QRadioButton("intlinprog (MATLAB)")
self.solver_intlinprog.setToolTip("Only enabled with MATLAB")
s33.addWidget(self.solver_intlinprog)
self.bg1.addButton(self.solver_intlinprog)
self.solver_glpk = QRadioButton("GLPK (Octave/MATLAB)")
s33.addWidget(self.solver_glpk)
self.bg1.addButton(self.solver_glpk)
self.bg1.buttonClicked.connect(self.configure_solver_options)
g3.setLayout(s33)
s3.addWidget(g3)
g4 = QGroupBox("MCS search")
s34 = QVBoxLayout()
self.bg2 = QButtonGroup()
self.any_mcs = QRadioButton("any MCS (fast)")
self.any_mcs.setChecked(True)
s34.addWidget(self.any_mcs)
self.bg2.addButton(self.any_mcs)
# Search type: by cardinality only with CPLEX possible
self.mcs_by_cardinality = QRadioButton("by cardinality")
s34.addWidget(self.mcs_by_cardinality)
self.bg2.addButton(self.mcs_by_cardinality)
self.smalles_mcs_first = QRadioButton("smallest MCS first")
s34.addWidget(self.smalles_mcs_first)
self.bg2.addButton(self.smalles_mcs_first)
g4.setLayout(s34)
s3.addWidget(g4)
self.layout.addItem(s3)
# Disable incompatible combinations
if appdata.selected_engine == 'None':
self.solver_optlang.setChecked(True)
self.solver_cplex_matlab.setEnabled(False)
self.solver_cplex_java.setEnabled(False)
self.solver_glpk.setEnabled(False)
self.solver_intlinprog.setEnabled(False)
if optlang_solver_name != 'cplex':
self.mcs_by_cardinality.setEnabled(False)
else:
self.solver_glpk.setChecked(True)
if not self.eng.is_cplex_matlab_ready():
self.solver_cplex_matlab.setEnabled(False)
if not self.eng.is_cplex_java_ready():
self.solver_cplex_java.setEnabled(False)
if self.appdata.is_matlab_set():
self.solver_cplex_java.setEnabled(False)
if not self.appdata.is_matlab_set():
self.solver_cplex_matlab.setEnabled(False)
self.solver_intlinprog.setEnabled(False)
self.configure_solver_options()
s4 = QVBoxLayout()
self.consider_scenario = QCheckBox(
"Consider constraint given by scenario")
s4.addWidget(self.consider_scenario)
self.advanced = QCheckBox(
"Advanced: Define knockout/addition costs for genes/reactions")
self.advanced.setEnabled(False)
s4.addWidget(self.advanced)
self.layout.addItem(s4)
buttons = QHBoxLayout()
# self.save = QPushButton("save")
# buttons.addWidget(self.save)
# self.load = QPushButton("load")
# buttons.addWidget(self.load)
self.compute_mcs = QPushButton("Compute MCS")
buttons.addWidget(self.compute_mcs)
# self.compute_mcs2 = QPushButton("Compute MCS2")
# buttons.addWidget(self.compute_mcs2)
self.cancel = QPushButton("Close")
buttons.addWidget(self.cancel)
self.layout.addItem(buttons)
# max width for buttons
self.add_target.setMaximumWidth(20)
self.rem_target.setMaximumWidth(20)
self.add_desire.setMaximumWidth(20)
self.rem_desire.setMaximumWidth(20)
self.setLayout(self.layout)
# Connecting the signal
self.cancel.clicked.connect(self.reject)
self.compute_mcs.clicked.connect(self.compute)
@Slot()
def configure_solver_options(self):
optlang_solver_name = interface_to_str(
self.appdata.project.cobra_py_model.problem)
if self.solver_optlang.isChecked():
self.gen_kos.setChecked(False)
self.gen_kos.setEnabled(False)
self.exclude_boundary.setEnabled(True)
if optlang_solver_name != 'cplex':
if self.mcs_by_cardinality.isChecked():
self.mcs_by_cardinality.setChecked(False)
self.any_mcs.setChecked(True)
self.mcs_by_cardinality.setEnabled(False)
self.mcs_by_cardinality.setChecked(False)
else:
self.gen_kos.setEnabled(True)
self.exclude_boundary.setChecked(False)
self.exclude_boundary.setEnabled(False)
self.mcs_by_cardinality.setEnabled(True)
def add_target_region(self):
i = self.target_list.rowCount()
self.target_list.insertRow(i)
completer = QCompleter(
self.appdata.project.cobra_py_model.reactions.list_attr("id"), self)
completer.setCaseSensitivity(Qt.CaseInsensitive)
item = QLineEdit("1")
self.target_list.setCellWidget(i, 0, item)
item2 = QLineEdit("")
item2.setCompleter(completer)
self.target_list.setCellWidget(i, 1, item2)
combo = QComboBox(self.target_list)
combo.insertItem(1, "≤")
combo.insertItem(2, "≥")
self.target_list.setCellWidget(i, 2, combo)
item = QLineEdit("0")
self.target_list.setCellWidget(i, 3, item)
def add_desired_region(self):
i = self.desired_list.rowCount()
self.desired_list.insertRow(i)
completer = QCompleter(
self.appdata.project.cobra_py_model.reactions.list_attr("id"), self)
completer.setCaseSensitivity(Qt.CaseInsensitive)
item = QLineEdit("1")
self.desired_list.setCellWidget(i, 0, item)
item2 = QLineEdit("")
item2.setCompleter(completer)
self.desired_list.setCellWidget(i, 1, item2)
combo = QComboBox(self.desired_list)
combo.insertItem(1, "≤")
combo.insertItem(2, "≥")
self.desired_list.setCellWidget(i, 2, combo)
item = QLineEdit("0")
self.desired_list.setCellWidget(i, 3, item)
def rem_target_region(self):
i = self.target_list.rowCount()
self.target_list.removeRow(i-1)
def rem_desired_region(self):
i = self.desired_list.rowCount()
self.desired_list.removeRow(i-1)
def compute(self):
if self.solver_optlang.isChecked():
self.compute_optlang()
else:
self.compute_legacy()
def compute_legacy(self):
self.setCursor(Qt.BusyCursor)
# create CobraModel for matlab
with self.appdata.project.cobra_py_model as model:
if self.consider_scenario.isChecked(): # integrate scenario into model bounds
for r in self.appdata.project.scen_values.keys():
model.reactions.get_by_id(
r).bounds = self.appdata.project.scen_values[r]
cobra.io.save_matlab_model(model, os.path.join(
self.appdata.cna_path, "cobra_model.mat"), varname="cbmodel")
self.eng.eval("load('cobra_model.mat')",
nargout=0)
try:
self.eng.eval("cnap = CNAcobra2cna(cbmodel);",
nargout=0,
stdout=self.out, stderr=self.err)
except Exception:
output = io.StringIO()
traceback.print_exc(file=output)
exstr = output.getvalue()
print(exstr)
QMessageBox.warning(self, 'Unknown exception occured!',
exstr+'\nPlease report the problem to:\n\
\nhttps://github.com/cnapy-org/CNApy/issues')
return
self.eng.eval("genes = [];", nargout=0,
stdout=self.out, stderr=self.err)
cmd = "maxSolutions = " + str(float(self.max_solu.text())) + ";"
self.eng.eval(cmd, nargout=0, stdout=self.out, stderr=self.err)
cmd = "maxSize = " + str(int(self.max_size.text())) + ";"
self.eng.eval(cmd, nargout=0, stdout=self.out, stderr=self.err)
cmd = "milp_time_limit = " + str(float(self.time_limit.text())) + ";"
self.eng.eval(cmd, nargout=0, stdout=self.out, stderr=self.err)
if self.gen_kos.isChecked():
self.eng.eval("gKOs = 1;", nargout=0)
else:
self.eng.eval("gKOs = 0;", nargout=0)
if self.advanced.isChecked():
self.eng.eval("advanced_on = 1;", nargout=0)
else:
self.eng.eval("advanced_on = 0;", nargout=0)
if self.solver_intlinprog.isChecked():
self.eng.eval("solver = 'intlinprog';", nargout=0)
if self.solver_cplex_java.isChecked():
self.eng.eval("solver = 'java_cplex_new';", nargout=0)
if self.solver_cplex_matlab.isChecked():
self.eng.eval("solver = 'matlab_cplex';", nargout=0)
if self.solver_glpk.isChecked():
self.eng.eval("solver = 'glpk';", nargout=0)
if self.any_mcs.isChecked():
self.eng.eval("mcs_search_mode = 'search_1';", nargout=0)
elif self.mcs_by_cardinality.isChecked():
self.eng.eval("mcs_search_mode = 'search_2';", nargout=0)
elif self.smalles_mcs_first.isChecked():
self.eng.eval("mcs_search_mode = 'search_3';", nargout=0)
rows = self.target_list.rowCount()
for i in range(0, rows):
p1 = self.target_list.cellWidget(i, 0).text()
p2 = self.target_list.cellWidget(i, 1).text()
if self.target_list.cellWidget(i, 2).currentText() == '≤':
p3 = "<="
else:
p3 = ">="
p4 = self.target_list.cellWidget(i, 3).text()
cmd = "dg_T = {[" + p1+"], '" + p2 + \
"', '" + p3 + "', [" + p4 + "']};"
self.eng.eval(cmd, nargout=0,
stdout=self.out, stderr=self.err)
rows = self.desired_list.rowCount()
for i in range(0, rows):
p1 = self.desired_list.cellWidget(i, 0).text()
p2 = self.desired_list.cellWidget(i, 1).text()
if self.desired_list.cellWidget(i, 2).currentText() == '≤':
p3 = "<="
else:
p3 = ">="
p4 = self.desired_list.cellWidget(i, 3).text()
cmd = "dg_D = {[" + p1+"], '" + p2 + \
"', '" + p3 + "', [" + p4 + "']};"
self.eng.eval(cmd, nargout=0)
# get some data
self.eng.eval("reac_id = cellstr(cnap.reacID).';",
nargout=0, stdout=self.out, stderr=self.err)
mcs = []
values = []
reactions = []
reac_id = []
if self.appdata.is_matlab_set():
reac_id = self.eng.workspace['reac_id']
try:
self.eng.eval("[mcs] = cnapy_compute_mcs(cnap, genes, maxSolutions, maxSize, milp_time_limit, gKOs, advanced_on, solver, mcs_search_mode, dg_T,dg_D);",
nargout=0)
except Exception:
output = io.StringIO()
traceback.print_exc(file=output)
exstr = output.getvalue()
print(exstr)
QMessageBox.warning(self, 'Unknown exception occured!',
exstr+'\nPlease report the problem to:\n\
\nhttps://github.com/cnapy-org/CNApy/issues')
return
else:
self.eng.eval("[reaction, mcs, value] = find(mcs);", nargout=0,
stdout=self.out, stderr=self.err)
reactions = self.eng.workspace['reaction']
mcs = self.eng.workspace['mcs']
values = self.eng.workspace['value']
elif self.appdata.is_octave_ready():
reac_id = self.eng.pull('reac_id')
reac_id = reac_id[0]
try:
self.eng.eval("[mcs] = cnapy_compute_mcs(cnap, genes, maxSolutions, maxSize, milp_time_limit, gKOs, advanced_on, solver, mcs_search_mode, dg_T,dg_D);",
nargout=0)
except Exception:
output = io.StringIO()
traceback.print_exc(file=output)
exstr = output.getvalue()
print(exstr)
QMessageBox.warning(self, 'Unknown exception occured!',
exstr+'\nPlease report the problem to:\n\
\nhttps://github.com/cnapy-org/CNApy/issues')
return
else:
self.eng.eval("[reaction, mcs, value] = find(mcs);", nargout=0,
stdout=self.out, stderr=self.err)
reactions = self.eng.pull('reaction')
mcs = self.eng.pull('mcs')
values = self.eng.pull('value')
if len(mcs) == 0:
QMessageBox.information(self, 'No cut sets',
'Cut sets have not been calculated or do not exist.')
else:
last_mcs = 1
omcs = []
current_mcs = {}
for i in range(0, len(reactions)):
reacid = int(reactions[i][0])
reaction = reac_id[reacid-1]
c_mcs = int(mcs[i][0])
c_value = int(values[i][0])
if c_value == -1: # -1 stands for removed which is 0 in the ui
c_value = 0
if c_mcs > last_mcs:
omcs.append(current_mcs)
last_mcs = c_mcs
current_mcs = {}
current_mcs[reaction] = c_value
omcs.append(current_mcs)
self.appdata.project.modes = omcs
self.centralwidget.mode_navigator.current = 0
QMessageBox.information(self, 'Cut sets found',
str(len(omcs))+' Cut sets have been calculated.')
self.centralwidget.update_mode()
self.centralwidget.mode_navigator.title.setText("MCS Navigation")
self.setCursor(Qt.ArrowCursor)
def compute_optlang(self):
self.setCursor(Qt.BusyCursor)
max_mcs_num = float(self.max_solu.text())
max_mcs_size = int(self.max_size.text())
timeout = float(self.time_limit.text())
if timeout is float('inf'):
timeout = None
# if self.gen_kos.isChecked():
# self.eng.eval("gKOs = 1;", nargout=0)
# else:
# self.eng.eval("gKOs = 0;", nargout=0)
# if self.advanced.isChecked():
# self.eng.eval("advanced_on = 1;", nargout=0)
# else:
# self.eng.eval("advanced_on = 0;", nargout=0)
if self.smalles_mcs_first.isChecked():
enum_method = 1
elif self.mcs_by_cardinality.isChecked():
enum_method = 2
elif self.any_mcs.isChecked():
enum_method = 3
with self.appdata.project.cobra_py_model as model:
if self.consider_scenario.isChecked(): # integrate scenario into model bounds
for r in self.appdata.project.scen_values.keys():
model.reactions.get_by_id(
r).bounds = self.appdata.project.scen_values[r]
reac_id = model.reactions.list_attr("id")
reac_id_symbols = cMCS_enumerator.get_reac_id_symbols(reac_id)
rows = self.target_list.rowCount()
targets = dict()
for i in range(0, rows):
p1 = self.target_list.cellWidget(i, 0).text()
p2 = self.target_list.cellWidget(i, 1).text()
if len(p1) > 0 and len(p2) > 0:
if self.target_list.cellWidget(i, 2).currentText() == '≤':
p3 = "<="
else:
p3 = ">="
p4 = float(self.target_list.cellWidget(i, 3).text())
targets.setdefault(p1, []).append((p2, p3, p4))
targets = list(targets.values())
targets = [cMCS_enumerator.relations2leq_matrix(cMCS_enumerator.parse_relations(
t, reac_id_symbols=reac_id_symbols), reac_id) for t in targets]
rows = self.desired_list.rowCount()
desired = dict()
for i in range(0, rows):
p1 = self.desired_list.cellWidget(i, 0).text()
p2 = self.desired_list.cellWidget(i, 1).text()
if len(p1) > 0 and len(p2) > 0:
if self.desired_list.cellWidget(i, 2).currentText() == '≤':
p3 = "<="
else:
p3 = ">="
p4 = float(self.desired_list.cellWidget(i, 3).text())
desired.setdefault(p1, []).append((p2, p3, p4))
desired = list(desired.values())
desired = [cMCS_enumerator.relations2leq_matrix(cMCS_enumerator.parse_relations(
d, reac_id_symbols=reac_id_symbols), reac_id) for d in desired]
try:
mcs = cMCS_enumerator.compute_mcs(model,
targets=targets,
desired=desired,
enum_method=enum_method,
max_mcs_size=max_mcs_size,
max_mcs_num=max_mcs_num,
timeout=timeout,
exclude_boundary_reactions_as_cuts=self.exclude_boundary.isChecked())
except cMCS_enumerator.InfeasibleRegion as e:
QMessageBox.warning(self, 'Cannot calculate MCS', str(e))
return targets, desired
except Exception:
output = io.StringIO()
traceback.print_exc(file=output)
exstr = output.getvalue()
print(exstr)
QMessageBox.warning(self, 'An exception has occured!',
exstr+'\nPlease report the problem to:\n\
\nhttps://github.com/cnapy-org/CNApy/issues')
return targets, desired
finally:
self.setCursor(Qt.ArrowCursor)
if len(mcs) == 0:
QMessageBox.information(self, 'No cut sets',
'Cut sets have not been calculated or do not exist.')
return targets, desired
omcs = [{reac_id[i]: 0 for i in m} for m in mcs]
self.appdata.project.modes = omcs
self.centralwidget.mode_navigator.current = 0
QMessageBox.information(self, 'Cut sets found',
str(len(omcs))+' Cut sets have been calculated.')
self.centralwidget.update_mode()
self.centralwidget.mode_navigator.title.setText("MCS Navigation")
class Extension2ReaderTable(QWidget):
"""Table showing extension to reader mappings with removal button.
Widget presented in preferences-plugin dialog."""
valueChanged = Signal(int)
def __init__(self, parent=None):
super().__init__(parent=parent)
self._table = QTableWidget()
self._table.setShowGrid(False)
self._populate_table()
layout = QVBoxLayout()
layout.addWidget(self._table)
self.setLayout(layout)
def _populate_table(self):
"""Add row for each extension to reader mapping in settings"""
self._extension_col = 0
self._reader_col = 1
header_strs = [trans._('Extension'), trans._('Reader Plugin')]
self._table.setColumnCount(2)
self._table.setColumnWidth(self._extension_col, 100)
self._table.setColumnWidth(self._reader_col, 150)
self._table.verticalHeader().setVisible(False)
self._table.setMinimumHeight(120)
extension2reader = get_settings().plugins.extension2reader
if len(extension2reader) > 0:
self._table.setRowCount(len(extension2reader))
self._table.horizontalHeader().setStretchLastSection(True)
self._table.horizontalHeader().setStyleSheet(
'border-bottom: 2px solid white;')
self._table.setHorizontalHeaderLabels(header_strs)
for row, (extension,
plugin_name) in enumerate(extension2reader.items()):
item = QTableWidgetItem(extension)
item.setFlags(Qt.NoItemFlags)
self._table.setItem(row, self._extension_col, item)
plugin_widg = QWidget()
# need object name to easily find row
plugin_widg.setObjectName(f'{extension}')
plugin_widg.setLayout(QHBoxLayout())
plugin_widg.layout().setContentsMargins(0, 0, 0, 0)
plugin_label = QLabel(plugin_name)
# need object name to easily work out which button was clicked
remove_btn = QPushButton('x', objectName=f'{extension}')
remove_btn.setFixedWidth(30)
remove_btn.setStyleSheet('margin: 4px;')
remove_btn.setToolTip(
trans._('Remove this extension to reader association'))
remove_btn.clicked.connect(self._remove_extension_assignment)
plugin_widg.layout().addWidget(plugin_label)
plugin_widg.layout().addWidget(remove_btn)
self._table.setCellWidget(row, self._reader_col, plugin_widg)
else:
# Display that there are no extensions with reader associations
self._table.setRowCount(1)
self._table.setHorizontalHeaderLabels(header_strs)
self._table.setColumnHidden(self._reader_col, True)
self._table.setColumnWidth(self._extension_col, 200)
item = QTableWidgetItem(trans._('No extensions found.'))
item.setFlags(Qt.NoItemFlags)
self._table.setItem(0, 0, item)
def _remove_extension_assignment(self, event):
"""Delete extension to reader mapping setting and remove table row"""
extension_to_remove = self.sender().objectName()
current_settings = get_settings().plugins.extension2reader
# need explicit assignment to new object here for persistence
get_settings().plugins.extension2reader = {
k: v
for k, v in current_settings.items() if k != extension_to_remove
}
for i in range(self._table.rowCount()):
row_widg_name = self._table.cellWidget(
i, self._reader_col).objectName()
if row_widg_name == extension_to_remove:
self._table.removeRow(i)
return
class EventsDialog(QDialog):
def __init__(self, parent, pos, desc):
super().__init__(parent)
self.setWindowTitle("Edit Events")
self.table = QTableWidget(len(pos), 2)
for row, (p, d) in enumerate(zip(pos, desc)):
self.table.setItem(row, 0, IntTableWidgetItem(p))
self.table.setItem(row, 1, IntTableWidgetItem(d))
self.table.setHorizontalHeaderLabels(["Position", "Type"])
self.table.horizontalHeader().setStretchLastSection(True)
self.table.verticalHeader().setVisible(False)
self.table.setShowGrid(False)
self.table.setSelectionBehavior(QAbstractItemView.SelectRows)
self.table.setSortingEnabled(True)
self.table.sortByColumn(0, Qt.AscendingOrder)
vbox = QVBoxLayout(self)
vbox.addWidget(self.table)
hbox = QHBoxLayout()
self.add_button = QPushButton("+")
self.remove_button = QPushButton("-")
buttonbox = QDialogButtonBox(QDialogButtonBox.Ok | QDialogButtonBox.Cancel)
hbox.addWidget(self.add_button)
hbox.addWidget(self.remove_button)
hbox.addStretch()
hbox.addWidget(buttonbox)
vbox.addLayout(hbox)
buttonbox.accepted.connect(self.accept)
buttonbox.rejected.connect(self.reject)
self.table.itemSelectionChanged.connect(self.toggle_buttons)
self.remove_button.clicked.connect(self.remove_event)
self.add_button.clicked.connect(self.add_event)
self.toggle_buttons()
self.resize(300, 500)
@Slot()
def toggle_buttons(self):
"""Toggle + and - buttons."""
n_items = len(self.table.selectedItems())
if n_items == 2: # one row (2 items) selected
self.add_button.setEnabled(True)
self.remove_button.setEnabled(True)
elif n_items > 2: # more than one row selected
self.add_button.setEnabled(False)
self.remove_button.setEnabled(True)
else: # no rows selected
self.add_button.setEnabled(False)
self.remove_button.setEnabled(False)
def add_event(self):
current_row = self.table.selectedIndexes()[0].row()
pos = int(self.table.item(current_row, 0).data(Qt.DisplayRole))
self.table.setSortingEnabled(False)
self.table.insertRow(current_row)
self.table.setItem(current_row, 0, IntTableWidgetItem(pos))
self.table.setItem(current_row, 1, IntTableWidgetItem(0))
self.table.setSortingEnabled(True)
def remove_event(self):
rows = {index.row() for index in self.table.selectedIndexes()}
self.table.clearSelection()
for row in sorted(rows, reverse=True):
self.table.removeRow(row)
class MeasurementWidget(QWidget):
"""
:type settings: Settings
:type segment: Segment
"""
def __init__(self, settings: PartSettings, segment=None):
super().__init__()
self.settings = settings
self.segment = segment
self.measurements_storage = MeasurementsStorage()
self.recalculate_button = QPushButton(
"Recalculate and\n replace measurement", self)
self.recalculate_button.clicked.connect(
self.replace_measurement_result)
self.recalculate_append_button = QPushButton(
"Recalculate and\n append measurement", self)
self.recalculate_append_button.clicked.connect(
self.append_measurement_result)
self.copy_button = QPushButton("Copy to clipboard", self)
self.copy_button.setToolTip(
"You cacn copy also with 'Ctrl+C'. To get raw copy copy with 'Ctrl+Shit+C'"
)
self.horizontal_measurement_present = QCheckBox(
"Horizontal view", self)
self.no_header = QCheckBox("No header", self)
self.no_units = QCheckBox("No units", self)
self.no_units.setChecked(True)
self.no_units.clicked.connect(self.refresh_view)
self.expand_mode = QCheckBox("Expand", self)
self.expand_mode.setToolTip(
"Shows results for each component in separate entry")
self.file_names = EnumComboBox(FileNamesEnum)
self.file_names_label = QLabel("Add file name:")
self.file_names.currentIndexChanged.connect(self.refresh_view)
self.horizontal_measurement_present.stateChanged.connect(
self.refresh_view)
self.expand_mode.stateChanged.connect(self.refresh_view)
self.copy_button.clicked.connect(self.copy_to_clipboard)
self.measurement_type = SearchCombBox(self)
# noinspection PyUnresolvedReferences
self.measurement_type.currentIndexChanged.connect(
self.measurement_profile_selection_changed)
self.measurement_type.addItem("<none>")
self.measurement_type.addItems(
list(sorted(self.settings.measurement_profiles.keys())))
self.measurement_type.setToolTip(
'You can create new measurement profile in advanced window, in tab "Measurement settings"'
)
self.channels_chose = ChannelComboBox()
self.units_choose = EnumComboBox(Units)
self.units_choose.set_value(self.settings.get("units_value", Units.nm))
self.info_field = QTableWidget(self)
self.info_field.setColumnCount(3)
self.info_field.setHorizontalHeaderLabels(["Name", "Value", "Units"])
self.measurement_add_shift = 0
layout = QVBoxLayout()
# layout.addWidget(self.recalculate_button)
v_butt_layout = QVBoxLayout()
v_butt_layout.setSpacing(1)
self.up_butt_layout = QHBoxLayout()
self.up_butt_layout.addWidget(self.recalculate_button)
self.up_butt_layout.addWidget(self.recalculate_append_button)
self.butt_layout = QHBoxLayout()
# self.butt_layout.setMargin(0)
# self.butt_layout.setSpacing(10)
self.butt_layout.addWidget(self.horizontal_measurement_present, 1)
self.butt_layout.addWidget(self.no_header, 1)
self.butt_layout.addWidget(self.no_units, 1)
self.butt_layout.addWidget(self.expand_mode, 1)
self.butt_layout.addWidget(self.file_names_label)
self.butt_layout.addWidget(self.file_names, 1)
self.butt_layout.addWidget(self.copy_button, 2)
self.butt_layout2 = QHBoxLayout()
self.butt_layout3 = QHBoxLayout()
self.butt_layout3.addWidget(QLabel("Channel:"))
self.butt_layout3.addWidget(self.channels_chose)
self.butt_layout3.addWidget(QLabel("Units:"))
self.butt_layout3.addWidget(self.units_choose)
# self.butt_layout3.addWidget(QLabel("Noise removal:"))
# self.butt_layout3.addWidget(self.noise_removal_method)
self.butt_layout3.addWidget(QLabel("Measurement set:"))
self.butt_layout3.addWidget(self.measurement_type, 2)
v_butt_layout.addLayout(self.up_butt_layout)
v_butt_layout.addLayout(self.butt_layout)
v_butt_layout.addLayout(self.butt_layout2)
v_butt_layout.addLayout(self.butt_layout3)
layout.addLayout(v_butt_layout)
# layout.addLayout(self.butt_layout)
layout.addWidget(self.info_field)
self.setLayout(layout)
# noinspection PyArgumentList
self.clip = QApplication.clipboard()
self.settings.image_changed[int].connect(self.image_changed)
self.previous_profile = None
def check_if_measurement_can_be_calculated(self, name):
if name == "<none>":
return "<none>"
profile: MeasurementProfile = self.settings.measurement_profiles.get(
name)
if profile.is_any_mask_measurement() and self.settings.mask is None:
QMessageBox.information(
self, "Need mask",
"To use this measurement set please use data with mask loaded",
QMessageBox.Ok)
self.measurement_type.setCurrentIndex(0)
return "<none>"
if self.settings.roi is None:
QMessageBox.information(
self,
"Need segmentation",
'Before calculating please create segmentation ("Execute" button)',
QMessageBox.Ok,
)
self.measurement_type.setCurrentIndex(0)
return "<none>"
return name
def image_changed(self, channels_num):
self.channels_chose.change_channels_num(channels_num)
def measurement_profile_selection_changed(self, index):
text = self.measurement_type.itemText(index)
text = self.check_if_measurement_can_be_calculated(text)
try:
stat = self.settings.measurement_profiles[text]
is_mask = stat.is_any_mask_measurement()
disable = is_mask and (self.settings.mask is None)
except KeyError:
disable = True
self.recalculate_button.setDisabled(disable)
self.recalculate_append_button.setDisabled(disable)
if disable:
self.recalculate_button.setToolTip(
"Measurement profile contains mask measurements when mask is not loaded"
)
self.recalculate_append_button.setToolTip(
"Measurement profile contains mask measurements when mask is not loaded"
)
else:
self.recalculate_button.setToolTip("")
self.recalculate_append_button.setToolTip("")
def copy_to_clipboard(self):
s = ""
for r in range(self.info_field.rowCount()):
for c in range(self.info_field.columnCount()):
try:
s += str(self.info_field.item(r, c).text()) + "\t"
except AttributeError:
s += "\t"
s = s[:-1] + "\n" # eliminate last '\t'
self.clip.setText(s)
def replace_measurement_result(self):
self.measurements_storage.clear()
self.previous_profile = ""
self.append_measurement_result()
def refresh_view(self):
self.measurements_storage.set_expand(self.expand_mode.isChecked())
self.measurements_storage.set_show_units(not self.no_units.isChecked())
self.info_field.clear()
save_orientation = self.horizontal_measurement_present.isChecked()
columns, rows = self.measurements_storage.get_size(save_orientation)
self.info_field.setColumnCount(columns)
self.info_field.setRowCount(rows)
self.info_field.setHorizontalHeaderLabels(
self.measurements_storage.get_header(save_orientation))
self.info_field.setVerticalHeaderLabels(
self.measurements_storage.get_rows(save_orientation))
for x in range(rows):
for y in range(columns):
self.info_field.setItem(
x, y,
QTableWidgetItem(
self.measurements_storage.get_val_as_str(
x, y, save_orientation)))
if self.file_names.get_value() == FileNamesEnum.No:
if save_orientation:
self.info_field.removeColumn(0)
else:
self.info_field.removeRow(0)
elif self.file_names.get_value() == FileNamesEnum.Short:
if save_orientation:
columns = 1
else:
rows = 1
for x in range(rows):
for y in range(columns):
item = self.info_field.item(x, y)
item.setText(os.path.basename(item.text()))
self.info_field.setEditTriggers(QAbstractItemView.NoEditTriggers)
def append_measurement_result(self):
try:
compute_class = self.settings.measurement_profiles[
self.measurement_type.currentText()]
except KeyError:
QMessageBox.warning(
self,
"Measurement profile not found",
f"Measurement profile '{self.measurement_type.currentText()}' not found'",
)
return
if self.settings.roi is None:
return
units = self.units_choose.get_value()
# FIXME find which errors should be displayed as warning
# def exception_hook(exception):
# QMessageBox.warning(self, "Calculation error", f"Error during calculation: {exception}")
for num in compute_class.get_channels_num():
if num >= self.settings.image.channels:
QMessageBox.warning(
self,
"Measurement error",
"Cannot calculate this measurement because "
f"image do not have channel {num+1}",
)
return
thread = ExecuteFunctionThread(
compute_class.calculate,
[
self.settings.image,
self.channels_chose.currentIndex(), self.settings.roi_info,
units
],
)
dial = WaitingDialog(
thread,
"Measurement calculation") # , exception_hook=exception_hook)
dial.exec()
stat: MeasurementResult = thread.result
if stat is None:
return
stat.set_filename(self.settings.image_path)
self.measurements_storage.add_measurements(stat)
self.previous_profile = compute_class.name
self.refresh_view()
def keyPressEvent(self, e: QKeyEvent):
if e.modifiers() & Qt.ControlModifier:
selected = self.info_field.selectedRanges()
if e.key() == Qt.Key_C: # copy
s = ""
for r in range(selected[0].topRow(),
selected[0].bottomRow() + 1):
for c in range(selected[0].leftColumn(),
selected[0].rightColumn() + 1):
try:
s += str(self.info_field.item(r, c).text()) + "\t"
except AttributeError:
s += "\t"
s = s[:-1] + "\n" # eliminate last '\t'
self.clip.setText(s)
def update_measurement_list(self):
self.measurement_type.blockSignals(True)
available = list(sorted(self.settings.measurement_profiles.keys()))
text = self.measurement_type.currentText()
try:
index = available.index(text) + 1
except ValueError:
index = 0
self.measurement_type.clear()
self.measurement_type.addItem("<none>")
self.measurement_type.addItems(available)
self.measurement_type.setCurrentIndex(index)
self.measurement_type.blockSignals(False)
def showEvent(self, _):
self.update_measurement_list()
def event(self, event: QEvent):
if event.type() == QEvent.WindowActivate:
self.update_measurement_list()
return super().event(event)
@staticmethod
def _move_widgets(widgets_list: List[Tuple[QWidget, int]],
layout1: QBoxLayout, layout2: QBoxLayout):
for el in widgets_list:
layout1.removeWidget(el[0])
layout2.addWidget(el[0], el[1])
def resizeEvent(self, _event: QResizeEvent) -> None:
if self.width() < 800 and self.butt_layout2.count() == 0:
self._move_widgets(
[(self.file_names_label, 1), (self.file_names, 1),
(self.copy_button, 2)],
self.butt_layout,
self.butt_layout2,
)
elif self.width() > 800 and self.butt_layout2.count() != 0:
self._move_widgets(
[(self.file_names_label, 1), (self.file_names, 1),
(self.copy_button, 2)],
self.butt_layout2,
self.butt_layout,
)
class PMGRuleCtrl(BaseExtendedWidget):
"""
rules:
{'name':'regex',
'text':'匹配正则表达式',
'init':False
}
"""
def __init__(self,
layout_dir='v',
title='',
rules: List[Dict[str, Union[bool, int, float, str]]] = None):
super().__init__(layout_dir)
self.table_h_headers = []
self.table_keys = []
self.initial_values = []
for rule in rules:
self.table_h_headers.append(rule['text'])
self.table_keys.append(rule['name'])
self.initial_values.append(rule['init'])
self.regulations_table = QTableWidget(0, len(self.table_h_headers))
self.regulations_table.horizontalHeader().setSectionResizeMode(
QHeaderView.Stretch)
self.regulations_table.setHorizontalHeaderLabels(self.table_h_headers)
self.layout().addWidget(self.regulations_table)
self.set_layout = QHBoxLayout()
self.layout().addLayout(self.set_layout)
self.button_add = QPushButton('Add')
self.button_remove = QPushButton('Remove')
self.set_layout.addWidget(self.button_add)
self.set_layout.addWidget(self.button_remove)
self.button_add.clicked.connect(self.add_regulation)
self.button_remove.clicked.connect(self.remove_regulation)
def load_regulations(self, regulations: List[Dict[str,
Union[int, str, float,
bool]]]):
row_count = len(regulations)
self.regulations_table.setRowCount(row_count)
for i, regulation in enumerate(regulations):
l = [regulation[k] for k in self.table_keys]
for j, obj in enumerate(l):
item = QTableWidgetItem()
item.setData(0, obj)
self.regulations_table.setItem(i, j, item)
def add_regulation(self):
rc = self.regulations_table.rowCount()
self.regulations_table.setRowCount(rc + 1)
for i, obj in enumerate(self.initial_values):
item = QTableWidgetItem()
item.setData(0, obj)
self.regulations_table.setItem(rc, i, item)
def remove_regulation(self):
self.regulations_table.removeRow(self.regulations_table.currentRow())
def get_value(self) -> List[Dict]:
l = []
for i in range(self.regulations_table.rowCount()):
dic = {}
for j in range(self.regulations_table.columnCount()):
item = self.regulations_table.item(i, j)
dic[self.table_keys[j]] = item.data(0)
l.append(dic)
return l
def set_value(self, value):
self.load_regulations(value)
class Extension2ReaderTable(QWidget):
"""Table showing extension to reader mappings with removal button.
Widget presented in preferences-plugin dialog."""
valueChanged = Signal(int)
def __init__(self, parent=None, npe2_readers=None, npe1_readers=None):
super().__init__(parent=parent)
npe2, npe1 = get_all_readers()
if npe2_readers is None:
npe2_readers = npe2
if npe1_readers is None:
npe1_readers = npe1
self._npe2_readers = npe2_readers
self._npe1_readers = npe1_readers
self._table = QTableWidget()
self._table.setShowGrid(False)
self._set_up_table()
self._edit_row = self._make_new_preference_row()
self._populate_table()
instructions = QLabel(
trans.
_('Enter a filename pattern to associate with a reader e.g. "*.tif" for all TIFF files.'
) + trans.
_('Available readers will be filtered to those compatible with your pattern. Hover over a reader to see what patterns it accepts.'
) + trans.
_('\n\nPreference saving for folder readers is not supported, so these readers are not shown.'
) + trans.
_('\n\nFor documentation on valid filename patterns, see https://docs.python.org/3/library/fnmatch.html'
))
instructions.setWordWrap(True)
instructions.setOpenExternalLinks(True)
layout = QVBoxLayout()
instructions.setSizePolicy(QSizePolicy.MinimumExpanding,
QSizePolicy.Expanding)
layout.addWidget(instructions)
layout.addWidget(self._edit_row)
layout.addWidget(self._table)
self.setLayout(layout)
def _set_up_table(self):
"""Add table columns and headers, define styling"""
self._fn_pattern_col = 0
self._reader_col = 1
header_strs = [trans._('Filename Pattern'), trans._('Reader Plugin')]
self._table.setColumnCount(2)
self._table.setColumnWidth(self._fn_pattern_col, 200)
self._table.setColumnWidth(self._reader_col, 200)
self._table.verticalHeader().setVisible(False)
self._table.setMinimumHeight(120)
self._table.horizontalHeader().setStyleSheet(
'border-bottom: 2px solid white;')
self._table.setHorizontalHeaderLabels(header_strs)
self._table.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Expanding)
def _populate_table(self):
"""Add row for each extension to reader mapping in settings"""
fnpattern2reader = get_settings().plugins.extension2reader
if len(fnpattern2reader) > 0:
for fn_pattern, plugin_name in fnpattern2reader.items():
self._add_new_row(fn_pattern, plugin_name)
else:
# Display that there are no filename patterns with reader associations
self._display_no_preferences_found()
def _make_new_preference_row(self):
"""Make row for user to add a new filename pattern assignment"""
edit_row_widget = QWidget()
edit_row_widget.setLayout(QGridLayout())
edit_row_widget.layout().setContentsMargins(0, 0, 0, 0)
self._fn_pattern_edit = QLineEdit()
self._fn_pattern_edit.setPlaceholderText(
"Start typing filename pattern...")
self._fn_pattern_edit.textChanged.connect(
self._filter_compatible_readers)
add_reader_widg = QWidget()
add_reader_widg.setLayout(QHBoxLayout())
add_reader_widg.layout().setContentsMargins(0, 0, 0, 0)
self._new_reader_dropdown = QComboBox()
for i, (plugin_name, display_name) in enumerate(
sorted(dict(self._npe2_readers,
**self._npe1_readers).items())):
self._add_reader_choice(i, plugin_name, display_name)
add_btn = QPushButton('Add')
add_btn.setToolTip(trans._('Save reader preference for pattern'))
add_btn.clicked.connect(self._save_new_preference)
add_reader_widg.layout().addWidget(self._new_reader_dropdown)
add_reader_widg.layout().addWidget(add_btn)
edit_row_widget.layout().addWidget(
self._fn_pattern_edit,
0,
0,
)
edit_row_widget.layout().addWidget(add_reader_widg, 0, 1)
return edit_row_widget
def _display_no_preferences_found(self):
self._table.setRowCount(1)
item = QTableWidgetItem(trans._('No filename preferences found.'))
item.setFlags(Qt.NoItemFlags)
self._table.setItem(self._fn_pattern_col, 0, item)
def _add_reader_choice(self, i, plugin_name, display_name):
"""Add dropdown item for plugin_name with reader pattern tooltip"""
reader_patterns = get_filename_patterns_for_reader(plugin_name)
# TODO: no reader_patterns means directory reader,
# we don't support preference association yet
if not reader_patterns:
return
self._new_reader_dropdown.addItem(display_name, plugin_name)
if '*' in reader_patterns:
tooltip_text = 'Accepts all'
else:
reader_patterns_formatted = ', '.join(sorted(
list(reader_patterns)))
tooltip_text = f'Accepts: {reader_patterns_formatted}'
self._new_reader_dropdown.setItemData(i,
tooltip_text,
role=Qt.ToolTipRole)
def _filter_compatible_readers(self, new_pattern):
"""Filter reader dropwdown items to those that accept `new_extension`"""
self._new_reader_dropdown.clear()
readers = self._npe2_readers.copy()
to_delete = []
compatible_readers = get_potential_readers(new_pattern)
for plugin_name, display_name in readers.items():
if plugin_name not in compatible_readers:
to_delete.append(plugin_name)
for reader in to_delete:
del readers[reader]
readers.update(self._npe1_readers)
if not readers:
self._new_reader_dropdown.addItem("None available")
else:
for i, (plugin_name,
display_name) in enumerate(sorted(readers.items())):
self._add_reader_choice(i, plugin_name, display_name)
def _save_new_preference(self, event):
"""Save current preference to settings and show in table"""
fn_pattern = self._fn_pattern_edit.text()
reader = self._new_reader_dropdown.currentData()
if not fn_pattern or not reader:
return
# if user types pattern that starts with a . it's probably a file extension so prepend the *
if fn_pattern.startswith('.'):
fn_pattern = f'*{fn_pattern}'
if fn_pattern in get_settings().plugins.extension2reader:
self._edit_existing_preference(fn_pattern, reader)
else:
self._add_new_row(fn_pattern, reader)
get_settings().plugins.extension2reader = {
**get_settings().plugins.extension2reader,
fn_pattern: reader,
}
def _edit_existing_preference(self, fn_pattern, reader):
"""Edit existing extension preference"""
current_reader_label = self.findChild(QLabel, fn_pattern)
if reader in self._npe2_readers:
reader = self._npe2_readers[reader]
current_reader_label.setText(reader)
def _add_new_row(self, fn_pattern, reader):
"""Add new reader preference to table"""
last_row = self._table.rowCount()
if (last_row == 1 and 'No filename preferences found'
in self._table.item(0, 0).text()):
self._table.removeRow(0)
last_row = 0
self._table.insertRow(last_row)
item = QTableWidgetItem(fn_pattern)
item.setFlags(Qt.NoItemFlags)
self._table.setItem(last_row, self._fn_pattern_col, item)
plugin_widg = QWidget()
# need object name to easily find row
plugin_widg.setObjectName(f'{fn_pattern}')
plugin_widg.setLayout(QHBoxLayout())
plugin_widg.layout().setContentsMargins(0, 0, 0, 0)
if reader in self._npe2_readers:
reader = self._npe2_readers[reader]
plugin_label = QLabel(reader, objectName=fn_pattern)
# need object name to easily work out which button was clicked
remove_btn = QPushButton('X', objectName=fn_pattern)
remove_btn.setFixedWidth(30)
remove_btn.setStyleSheet('margin: 4px;')
remove_btn.setToolTip(
trans._('Remove this filename pattern to reader association'))
remove_btn.clicked.connect(self.remove_existing_preference)
plugin_widg.layout().addWidget(plugin_label)
plugin_widg.layout().addWidget(remove_btn)
self._table.setCellWidget(last_row, self._reader_col, plugin_widg)
def remove_existing_preference(self, event):
"""Delete extension to reader mapping setting and remove table row"""
pattern_to_remove = self.sender().objectName()
current_settings = get_settings().plugins.extension2reader
# need explicit assignment to new object here for persistence
get_settings().plugins.extension2reader = {
k: v
for k, v in current_settings.items() if k != pattern_to_remove
}
for i in range(self._table.rowCount()):
row_widg_name = self._table.cellWidget(
i, self._reader_col).objectName()
if row_widg_name == pattern_to_remove:
self._table.removeRow(i)
break
if self._table.rowCount() == 0:
self._display_no_preferences_found()
def value(self):
"""Return extension:reader mapping from settings.
Returns
-------
Dict[str, str]
mapping of extension to reader plugin display name
"""
return get_settings().plugins.extension2reader
