class InputsWidget(QWidget, Ui_Form):
"""There has following functions:
+ Function of mechanism variables settings.
+ Path recording.
"""
def __init__(self, parent):
super(InputsWidget, self).__init__(parent)
self.setupUi(self)
#parent's pointer.
self.freemode_button = parent.freemode_button
self.EntitiesPoint = parent.EntitiesPoint
self.EntitiesLink = parent.EntitiesLink
self.MainCanvas = parent.MainCanvas
self.resolve = parent.resolve
self.reloadCanvas = parent.reloadCanvas
self.outputTo = parent.outputTo
self.ConflictGuide = parent.ConflictGuide
self.DOF = lambda: parent.DOF
self.rightInput = parent.rightInput
self.CommandStack = parent.CommandStack
#self widgets.
self.dial = QDial()
self.dial.setEnabled(False)
self.dial.valueChanged.connect(self.__updateVar)
self.dial_spinbox.valueChanged.connect(self.__setVar)
self.inputs_dial_layout.addWidget(RotatableView(self.dial))
self.variable_stop.clicked.connect(self.variableValueReset)
self.inputs_playShaft = QTimer(self)
self.inputs_playShaft.setInterval(10)
self.inputs_playShaft.timeout.connect(self.__changeIndex)
self.variable_list.currentRowChanged.connect(self.__dialOk)
'''Inputs record context menu
+ Copy data from Point{}
+ ...
'''
self.record_list.customContextMenuRequested.connect(
self.on_record_list_context_menu)
self.popMenu_record_list = QMenu(self)
self.pathData = {}
def clear(self):
self.pathData.clear()
for i in range(self.record_list.count() - 1):
self.record_list.takeItem(1)
self.variable_list.clear()
@pyqtSlot(tuple)
def setSelection(self, selections):
"""Set one selection from canvas."""
self.joint_list.setCurrentRow(selections[0] if selections[0] in self.
EntitiesPoint.selectedRows() else -1)
@pyqtSlot()
def clearSelection(self):
"""Clear the points selection."""
self.joint_list.setCurrentRow(-1)
@pyqtSlot(int)
def on_joint_list_currentRowChanged(self, row: int):
"""Change the point row from input widget."""
self.base_link_list.clear()
if not row > -1:
return
if row not in self.EntitiesPoint.selectedRows():
self.EntitiesPoint.setSelections((row, ), False)
for linkName in self.EntitiesPoint.item(row, 1).text().split(','):
if not linkName:
continue
self.base_link_list.addItem(linkName)
@pyqtSlot(int)
def on_base_link_list_currentRowChanged(self, row: int):
"""Set the drive links from base link."""
self.drive_link_list.clear()
if not row > -1:
return
inputs_point = self.joint_list.currentRow()
linkNames = self.EntitiesPoint.item(inputs_point, 1).text().split(',')
for linkName in linkNames:
if linkName == self.base_link_list.currentItem().text():
continue
self.drive_link_list.addItem(linkName)
@pyqtSlot(int)
def on_drive_link_list_currentRowChanged(self, row: int):
"""Set enable of 'add variable' button."""
if not row > -1:
self.variable_list_add.setEnabled(False)
return
typeText = self.joint_list.currentItem().text().split()[0]
self.variable_list_add.setEnabled(typeText == '[R]')
@pyqtSlot()
def on_variable_list_add_clicked(self):
"""Add inputs variable from click button."""
self.__addInputsVariable(self.joint_list.currentRow(),
self.base_link_list.currentItem().text(),
self.drive_link_list.currentItem().text())
def __addInputsVariable(self, point: int, base_link: str, drive_link: str):
"""Add variable with '->' sign."""
if not self.DOF() > 0:
return
for vlink in self.EntitiesLink.data():
if (vlink.name in {base_link, drive_link
}) and (len(vlink.points) < 2):
return
name = 'Point{}'.format(point)
vars = [
name, base_link, drive_link,
"{:.02f}".format(self.__getLinkAngle(point, drive_link))
]
for n, base, drive, a in self.getInputsVariables():
if {base_link, drive_link} == {base, drive}:
return
self.CommandStack.beginMacro("Add variable of {}".format(name))
self.CommandStack.push(AddVariable('->'.join(vars),
self.variable_list))
self.CommandStack.endMacro()
def addInputsVariables(self, variables: Tuple[Tuple[int, str, str]]):
"""Add from database."""
for variable in variables:
self.__addInputsVariable(*variable)
@pyqtSlot(int)
def __dialOk(self, p0=None):
"""Set the angle of base link and drive link."""
row = self.variable_list.currentRow()
enabled = row > -1
rotatable = (enabled and not self.freemode_button.isChecked()
and self.rightInput())
self.dial.setEnabled(rotatable)
self.dial_spinbox.setEnabled(rotatable)
self.oldVar = self.dial.value() / 100.
self.variable_play.setEnabled(rotatable)
self.variable_speed.setEnabled(rotatable)
self.dial.setValue(
float(self.variable_list.currentItem().text().split('->')[-1]) *
100 if enabled else 0)
def variableExcluding(self, row: int = None):
"""Remove variable if the point was been deleted.
Default: all.
"""
one_row = row is not None
for i, variable in enumerate(self.getInputsVariables()):
row_ = variable[0]
#If this is not origin point any more.
if one_row and (row != row_):
continue
self.CommandStack.beginMacro(
"Remove variable of Point{}".format(row))
self.CommandStack.push(DeleteVariable(i, self.variable_list))
self.CommandStack.endMacro()
@pyqtSlot()
def on_variable_remove_clicked(self):
"""Remove and reset angle."""
row = self.variable_list.currentRow()
if not row > -1:
return
reply = QMessageBox.question(self, "Remove variable",
"Do you want to remove this variable?")
if reply != QMessageBox.Yes:
return
self.variable_stop.click()
self.CommandStack.beginMacro("Remove variable of Point{}".format(row))
self.CommandStack.push(DeleteVariable(row, self.variable_list))
self.CommandStack.endMacro()
self.EntitiesPoint.getBackPosition()
self.resolve()
def __getLinkAngle(self, row: int, link: str) -> float:
"""Get the angle of base link and drive link."""
points = self.EntitiesPoint.dataTuple()
links = self.EntitiesLink.dataTuple()
link_names = [vlink.name for vlink in links]
relate = links[link_names.index(link)].points
base = points[row]
drive = points[relate[relate.index(row) - 1]]
return base.slopeAngle(drive)
def getInputsVariables(self) -> Tuple[int, str, str, float]:
"""A generator use to get variables.
[0]: point num
[1]: base link
[2]: drive link
[3]: angle
"""
for row in range(self.variable_list.count()):
variable = self.variable_list.item(row).text().split('->')
variable[0] = int(variable[0].replace('Point', ''))
variable[3] = float(variable[3])
yield tuple(variable)
def inputCount(self) -> int:
"""Use to show input variable count."""
return self.variable_list.count()
def inputPair(self) -> Tuple[int, int]:
"""Back as point number code."""
vlinks = {
vlink.name: set(vlink.points)
for vlink in self.EntitiesLink.data()
}
for vars in self.getInputsVariables():
points = vlinks[vars[2]].copy()
points.remove(vars[0])
yield (vars[0], points.pop())
def variableReload(self):
"""Auto check the points and type."""
self.joint_list.clear()
for i in range(self.EntitiesPoint.rowCount()):
text = "[{}] Point{}".format(
self.EntitiesPoint.item(i, 2).text(), i)
self.joint_list.addItem(text)
self.variableValueReset()
@pyqtSlot(float)
def __setVar(self, value):
self.dial.setValue(int(value % 360 * 100))
@pyqtSlot(int)
def __updateVar(self, value):
"""Update the value when rotating QDial."""
item = self.variable_list.currentItem()
value /= 100.
self.dial_spinbox.setValue(value)
if item:
itemText = item.text().split('->')
itemText[-1] = "{:.02f}".format(value)
item.setText('->'.join(itemText))
self.resolve()
if (self.record_start.isChecked()
and abs(self.oldVar - value) > self.record_interval.value()):
self.MainCanvas.recordPath()
self.oldVar = value
def variableValueReset(self):
"""Reset the value of QDial."""
if self.inputs_playShaft.isActive():
self.variable_play.setChecked(False)
self.inputs_playShaft.stop()
self.EntitiesPoint.getBackPosition()
for i, variable in enumerate(self.getInputsVariables()):
point = variable[0]
text = '->'.join([
'Point{}'.format(point), variable[1], variable[2],
"{:.02f}".format(self.__getLinkAngle(point, variable[2]))
])
self.variable_list.item(i).setText(text)
self.__dialOk()
self.resolve()
@pyqtSlot(bool)
def on_variable_play_toggled(self, toggled):
"""Triggered when play button was changed."""
self.dial.setEnabled(not toggled)
self.dial_spinbox.setEnabled(not toggled)
if toggled:
self.inputs_playShaft.start()
else:
self.inputs_playShaft.stop()
@pyqtSlot()
def __changeIndex(self):
"""QTimer change index."""
index = self.dial.value()
speed = self.variable_speed.value()
extremeRebound = (self.ConflictGuide.isVisible()
and self.extremeRebound.isChecked())
if extremeRebound:
speed *= -1
self.variable_speed.setValue(speed)
index += int(speed * 6 * (3 if extremeRebound else 1))
index %= self.dial.maximum()
self.dial.setValue(index)
@pyqtSlot(bool)
def on_record_start_toggled(self, toggled):
"""Save to file path data."""
if toggled:
self.MainCanvas.recordStart(int(360 /
self.record_interval.value()))
return
path = self.MainCanvas.getRecordPath()
name, ok = QInputDialog.getText(self, "Recording completed!",
"Please input name tag:")
if (not name) or (name in self.pathData):
i = 0
while "Record_{}".format(i) in self.pathData:
i += 1
QMessageBox.information(self, "Record",
"The name tag is being used or empty.")
name = "Record_{}".format(i)
self.addPath(name, path)
def addPath(self, name: str, path: Tuple[Tuple[float, float]]):
"""Add path function."""
self.CommandStack.beginMacro("Add {{Path: {}}}".format(name))
self.CommandStack.push(
AddPath(self.record_list, name, self.pathData, path))
self.CommandStack.endMacro()
self.record_list.setCurrentRow(self.record_list.count() - 1)
def loadPaths(self, paths: Tuple[Tuple[Tuple[float, float]]]):
"""Add multiple path."""
for name, path in paths.items():
self.addPath(name, path)
@pyqtSlot()
def on_record_remove_clicked(self):
"""Remove path data."""
row = self.record_list.currentRow()
if not row > 0:
return
self.CommandStack.beginMacro("Delete {{Path: {}}}".format(
self.record_list.item(row).text()))
self.CommandStack.push(DeletePath(row, self.record_list,
self.pathData))
self.CommandStack.endMacro()
self.record_list.setCurrentRow(self.record_list.count() - 1)
self.reloadCanvas()
@pyqtSlot(QListWidgetItem)
def on_record_list_itemDoubleClicked(self, item):
"""View path data."""
name = item.text().split(":")[0]
try:
data = self.pathData[name]
except KeyError:
return
reply = QMessageBox.question(
self, "Path data", "This path data including {}.".format(", ".join(
"Point{}".format(i) for i in range(len(data)) if data[i])),
(QMessageBox.Save | QMessageBox.Close), QMessageBox.Close)
if reply != QMessageBox.Save:
return
file_name = self.outputTo(
"path data",
["Comma-Separated Values (*.csv)", "Text file (*.txt)"])
if not file_name:
return
with open(file_name, 'w', newline='') as stream:
writer = csv.writer(stream)
for point in data:
for coordinate in point:
writer.writerow(coordinate)
writer.writerow(())
print("Output path data: {}".format(file_name))
@pyqtSlot(QPoint)
def on_record_list_context_menu(self, point):
"""Show the context menu.
Show path [0], [1], ...
Or copy path coordinates.
"""
row = self.record_list.currentRow()
if row > -1:
action = self.popMenu_record_list.addAction("Show all")
action.index = -1
name = self.record_list.item(row).text().split(":")[0]
try:
data = self.pathData[name]
except KeyError:
return
for action_text in ("Show", "Copy data from"):
self.popMenu_record_list.addSeparator()
for i in range(len(data)):
if data[i]:
action = self.popMenu_record_list.addAction(
"{} Point{}".format(action_text, i))
action.index = i
action = self.popMenu_record_list.exec_(
self.record_list.mapToGlobal(point))
if action:
if "Copy data from" in action.text():
QApplication.clipboard().setText('\n'.join(
"{},{}".format(x, y) for x, y in data[action.index]))
elif "Show" in action.text():
if action.index == -1:
self.record_show.setChecked(True)
self.MainCanvas.setPathShow(action.index)
self.popMenu_record_list.clear()
@pyqtSlot()
def on_record_show_clicked(self):
"""Show all paths or hide."""
if self.record_show.isChecked():
show = -1
else:
show = -2
self.MainCanvas.setPathShow(show)
@pyqtSlot(int)
def on_record_list_currentRowChanged(self, row):
"""Reload the canvas when switch the path."""
if self.record_show.isChecked():
self.MainCanvas.setPathShow(-1)
self.reloadCanvas()
def currentPath(self):
"""Return current path data to main canvas.
+ No path.
+ Show path data.
+ Auto preview.
"""
row = self.record_list.currentRow()
if row == -1:
self.MainCanvas.setAutoPath(False)
return ()
elif row > 0:
self.MainCanvas.setAutoPath(False)
name = self.record_list.item(row).text()
return self.pathData.get(name.split(':')[0], ())
elif row == 0:
self.MainCanvas.setAutoPath(True)
return ()
class InputsWidget(QWidget, Ui_Form):
"""There has following functions:
+ Function of mechanism variables settings.
+ Path recording.
"""
about_to_resolve = Signal()
def __init__(self, parent: MainWindowBase):
super(InputsWidget, self).__init__(parent)
self.setupUi(self)
# parent's function pointer.
self.free_move_button = parent.free_move_button
self.EntitiesPoint = parent.entities_point
self.EntitiesLink = parent.entities_link
self.MainCanvas = parent.main_canvas
self.solve = parent.solve
self.reload_canvas = parent.reload_canvas
self.output_to = parent.output_to
self.conflict = parent.conflict
self.dof = parent.dof
self.right_input = parent.right_input
self.CommandStack = parent.command_stack
self.set_coords_as_current = parent.set_coords_as_current
# Angle panel
self.dial = QDial()
self.dial.setStatusTip("Input widget of rotatable joint.")
self.dial.setEnabled(False)
self.dial.valueChanged.connect(self.__update_var)
self.dial_spinbox.valueChanged.connect(self.__set_var)
self.inputs_dial_layout.addWidget(RotatableView(self.dial))
# Angle panel available check
self.variable_list.currentRowChanged.connect(self.__dial_ok)
# Play button.
action = QShortcut(QKeySequence("F5"), self)
action.activated.connect(self.variable_play.click)
self.variable_stop.clicked.connect(self.variable_value_reset)
# Timer for play button.
self.inputs_play_shaft = QTimer()
self.inputs_play_shaft.setInterval(10)
self.inputs_play_shaft.timeout.connect(self.__change_index)
# Change the point coordinates with current position.
self.update_pos.clicked.connect(self.set_coords_as_current)
# Inputs record context menu
self.pop_menu_record_list = QMenu(self)
self.record_list.customContextMenuRequested.connect(
self.__record_list_context_menu
)
self.__path_data: Dict[str, Sequence[_Coord]] = {}
def clear(self):
"""Clear function to reset widget status."""
self.__path_data.clear()
for _ in range(self.record_list.count() - 1):
self.record_list.takeItem(1)
self.variable_list.clear()
def __set_angle_mode(self):
"""Change to angle input."""
self.dial.setMinimum(0)
self.dial.setMaximum(36000)
self.dial_spinbox.setMinimum(0)
self.dial_spinbox.setMaximum(360)
def __set_unit_mode(self):
"""Change to unit input."""
self.dial.setMinimum(-50000)
self.dial.setMaximum(50000)
self.dial_spinbox.setMinimum(-500)
self.dial_spinbox.setMaximum(500)
def path_data(self):
"""Return current path data."""
return self.__path_data
@Slot(tuple)
def set_selection(self, selections: Sequence[int]):
"""Set one selection from canvas."""
self.joint_list.setCurrentRow(selections[0])
@Slot()
def clear_selection(self):
"""Clear the points selection."""
self.driver_list.clear()
self.joint_list.setCurrentRow(-1)
@Slot(int, name='on_joint_list_currentRowChanged')
def __update_relate_points(self, _: int):
"""Change the point row from input widget."""
self.driver_list.clear()
item: Optional[QListWidgetItem] = self.joint_list.currentItem()
if item is None:
return
p0 = _variable_int(item.text())
vpoints = self.EntitiesPoint.data_tuple()
type_int = vpoints[p0].type
if type_int == VJoint.R:
for i, vpoint in enumerate(vpoints):
if i == p0:
continue
if vpoints[p0].same_link(vpoint):
if vpoints[p0].grounded() and vpoint.grounded():
continue
self.driver_list.addItem(f"[{vpoint.type_str}] Point{i}")
elif type_int in {VJoint.P, VJoint.RP}:
self.driver_list.addItem(f"[{vpoints[p0].type_str}] Point{p0}")
@Slot(int, name='on_driver_list_currentRowChanged')
def __set_add_var_enabled(self, _: int):
"""Set enable of 'add variable' button."""
driver = self.driver_list.currentIndex()
self.variable_add.setEnabled(driver != -1)
@Slot(name='on_variable_add_clicked')
def __add_inputs_variable(self, p0: Optional[int] = None, p1: Optional[int] = None):
"""Add variable with '->' sign."""
if p0 is None:
item: Optional[QListWidgetItem] = self.joint_list.currentItem()
if item is None:
return
p0 = _variable_int(item.text())
if p1 is None:
item: Optional[QListWidgetItem] = self.driver_list.currentItem()
if item is None:
return
p1 = _variable_int(item.text())
# Check DOF.
if self.dof() <= self.input_count():
QMessageBox.warning(
self,
"Wrong DOF",
"The number of variable must no more than degrees of freedom."
)
return
# Check same link.
vpoints = self.EntitiesPoint.data_tuple()
if not vpoints[p0].same_link(vpoints[p1]):
QMessageBox.warning(
self,
"Wrong pair",
"The base point and driver point should at the same link."
)
return
# Check repeated pairs.
for p0_, p1_, a in self.input_pairs():
if {p0, p1} == {p0_, p1_} and vpoints[p0].type == VJoint.R:
QMessageBox.warning(
self,
"Wrong pair",
"There already have a same pair."
)
return
name = f'Point{p0}'
self.CommandStack.beginMacro(f"Add variable of {name}")
if p0 == p1:
# One joint by offset.
value = vpoints[p0].true_offset()
else:
# Two joints by angle.
value = vpoints[p0].slope_angle(vpoints[p1])
self.CommandStack.push(AddVariable('->'.join((
name,
f'Point{p1}',
f"{value:.02f}",
)), self.variable_list))
self.CommandStack.endMacro()
def add_inputs_variables(self, variables: Sequence[Tuple[int, int]]):
"""Add from database."""
for p0, p1 in variables:
self.__add_inputs_variable(p0, p1)
@Slot()
def __dial_ok(self):
"""Set the angle of base link and drive link."""
row = self.variable_list.currentRow()
enabled = row > -1
rotatable = (
enabled and
not self.free_move_button.isChecked() and
self.right_input()
)
self.dial.setEnabled(rotatable)
self.dial_spinbox.setEnabled(rotatable)
self.oldVar = self.dial.value() / 100.
self.variable_play.setEnabled(rotatable)
self.variable_speed.setEnabled(rotatable)
item: Optional[QListWidgetItem] = self.variable_list.currentItem()
if item is None:
return
expr = item.text().split('->')
p0 = int(expr[0].replace('Point', ''))
p1 = int(expr[1].replace('Point', ''))
value = float(expr[2])
if p0 == p1:
self.__set_unit_mode()
else:
self.__set_angle_mode()
self.dial.setValue(value * 100 if enabled else 0)
def variable_excluding(self, row: Optional[int] = None):
"""Remove variable if the point was been deleted. Default: all."""
one_row: bool = row is not None
for i, (b, d, a) in enumerate(self.input_pairs()):
# If this is not origin point any more.
if one_row and (row != b):
continue
self.CommandStack.beginMacro(f"Remove variable of Point{row}")
self.CommandStack.push(DeleteVariable(i, self.variable_list))
self.CommandStack.endMacro()
@Slot(name='on_variable_remove_clicked')
def remove_var(self, row: int = -1):
"""Remove and reset angle."""
if row == -1:
row = self.variable_list.currentRow()
if not row > -1:
return
self.variable_stop.click()
self.CommandStack.beginMacro(f"Remove variable of Point{row}")
self.CommandStack.push(DeleteVariable(row, self.variable_list))
self.CommandStack.endMacro()
self.EntitiesPoint.get_back_position()
self.solve()
def interval(self) -> float:
"""Return interval value."""
return self.record_interval.value()
def input_count(self) -> int:
"""Use to show input variable count."""
return self.variable_list.count()
def input_pairs(self) -> Iterator[Tuple[int, int, float]]:
"""Back as point number code."""
for row in range(self.variable_list.count()):
var = self.variable_list.item(row).text().split('->')
p0 = int(var[0].replace('Point', ''))
p1 = int(var[1].replace('Point', ''))
angle = float(var[2])
yield (p0, p1, angle)
def variable_reload(self):
"""Auto check the points and type."""
self.joint_list.clear()
for i in range(self.EntitiesPoint.rowCount()):
type_text = self.EntitiesPoint.item(i, 2).text()
self.joint_list.addItem(f"[{type_text}] Point{i}")
self.variable_value_reset()
@Slot(float)
def __set_var(self, value: float):
self.dial.setValue(int(value * 100 % self.dial.maximum()))
@Slot(int)
def __update_var(self, value: int):
"""Update the value when rotating QDial."""
item = self.variable_list.currentItem()
value /= 100.
self.dial_spinbox.blockSignals(True)
self.dial_spinbox.setValue(value)
self.dial_spinbox.blockSignals(False)
if item:
item_text = item.text().split('->')
item_text[-1] = f"{value:.02f}"
item.setText('->'.join(item_text))
self.about_to_resolve.emit()
if (
self.record_start.isChecked() and
abs(self.oldVar - value) > self.record_interval.value()
):
self.MainCanvas.record_path()
self.oldVar = value
def variable_value_reset(self):
"""Reset the value of QDial."""
if self.inputs_play_shaft.isActive():
self.variable_play.setChecked(False)
self.inputs_play_shaft.stop()
self.EntitiesPoint.get_back_position()
vpoints = self.EntitiesPoint.data_tuple()
for i, (p0, p1, a) in enumerate(self.input_pairs()):
self.variable_list.item(i).setText('->'.join([
f'Point{p0}',
f'Point{p1}',
f"{vpoints[p0].slope_angle(vpoints[p1]):.02f}",
]))
self.__dial_ok()
self.solve()
@Slot(bool, name='on_variable_play_toggled')
def __play(self, toggled: bool):
"""Triggered when play button was changed."""
self.dial.setEnabled(not toggled)
self.dial_spinbox.setEnabled(not toggled)
if toggled:
self.inputs_play_shaft.start()
else:
self.inputs_play_shaft.stop()
if self.update_pos_option.isChecked():
self.set_coords_as_current()
@Slot()
def __change_index(self):
"""QTimer change index."""
index = self.dial.value()
speed = self.variable_speed.value()
extreme_rebound = (
self.conflict.isVisible() and
self.extremeRebound.isChecked()
)
if extreme_rebound:
speed = -speed
self.variable_speed.setValue(speed)
index += int(speed * 6 * (3 if extreme_rebound else 1))
index %= self.dial.maximum()
self.dial.setValue(index)
@Slot(bool, name='on_record_start_toggled')
def __start_record(self, toggled: bool):
"""Save to file path data."""
if toggled:
self.MainCanvas.record_start(int(
self.dial_spinbox.maximum() / self.record_interval.value()
))
return
path = self.MainCanvas.get_record_path()
name, ok = QInputDialog.getText(
self,
"Recording completed!",
"Please input name tag:"
)
i = 0
name = name or f"Record_{i}"
while name in self.__path_data:
name = f"Record_{i}"
i += 1
QMessageBox.information(
self,
"Record",
"The name tag is being used or empty."
)
self.add_path(name, path)
def add_path(self, name: str, path: Sequence[_Coord]):
"""Add path function."""
self.CommandStack.beginMacro(f"Add {{Path: {name}}}")
self.CommandStack.push(AddPath(
self.record_list,
name,
self.__path_data,
path
))
self.CommandStack.endMacro()
self.record_list.setCurrentRow(self.record_list.count() - 1)
def load_paths(self, paths: Dict[str, Sequence[_Coord]]):
"""Add multiple path."""
for name, path in paths.items():
self.add_path(name, path)
@Slot(name='on_record_remove_clicked')
def __remove_path(self):
"""Remove path data."""
row = self.record_list.currentRow()
if not row > 0:
return
name = self.record_list.item(row).text()
self.CommandStack.beginMacro(f"Delete {{Path: {name}}}")
self.CommandStack.push(DeletePath(
row,
self.record_list,
self.__path_data
))
self.CommandStack.endMacro()
self.record_list.setCurrentRow(self.record_list.count() - 1)
self.reload_canvas()
@Slot(QListWidgetItem, name='on_record_list_itemDoubleClicked')
def __path_dlg(self, item: QListWidgetItem):
"""View path data."""
name = item.text().split(":")[0]
try:
data = self.__path_data[name]
except KeyError:
return
points_text = ", ".join(f"Point{i}" for i in range(len(data)))
if QMessageBox.question(
self,
"Path data",
f"This path data including {points_text}.",
(QMessageBox.Save | QMessageBox.Close),
QMessageBox.Close
) != QMessageBox.Save:
return
file_name = self.output_to(
"path data",
["Comma-Separated Values (*.csv)", "Text file (*.txt)"]
)
if not file_name:
return
with open(file_name, 'w', encoding='utf-8', newline='') as stream:
writer = csv.writer(stream)
for point in data:
for coordinate in point:
writer.writerow(coordinate)
writer.writerow(())
logger.info(f"Output path data: {file_name}")
@Slot(QPoint)
def __record_list_context_menu(self, point):
"""Show the context menu.
Show path [0], [1], ...
Or copy path coordinates.
"""
row = self.record_list.currentRow()
if not row > -1:
return
showall_action = self.pop_menu_record_list.addAction("Show all")
showall_action.index = -1
copy_action = self.pop_menu_record_list.addAction("Copy as new")
name = self.record_list.item(row).text().split(':')[0]
try:
data = self.__path_data[name]
except KeyError:
# Auto preview path.
data = self.MainCanvas.Path.path
showall_action.setEnabled(False)
else:
for action_text in ("Show", "Copy data from"):
self.pop_menu_record_list.addSeparator()
for i in range(len(data)):
if data[i]:
action = self.pop_menu_record_list.addAction(
f"{action_text} Point{i}"
)
action.index = i
action_exec = self.pop_menu_record_list.exec(
self.record_list.mapToGlobal(point)
)
if action_exec:
if action_exec == copy_action:
# Copy path data.
num = 0
name_copy = f"{name}_{num}"
while name_copy in self.__path_data:
name_copy = f"{name}_{num}"
num += 1
self.add_path(name_copy, data)
elif "Copy data from" in action_exec.text():
# Copy data to clipboard.
QApplication.clipboard().setText('\n'.join(
f"{x},{y}" for x, y in data[action_exec.index]
))
elif "Show" in action_exec.text():
# Switch points enabled status.
if action_exec.index == -1:
self.record_show.setChecked(True)
self.MainCanvas.set_path_show(action_exec.index)
self.pop_menu_record_list.clear()
@Slot(bool, name='on_record_show_toggled')
def __set_path_show(self, toggled: bool):
"""Show all paths or hide."""
self.MainCanvas.set_path_show(-1 if toggled else -2)
@Slot(int, name='on_record_list_currentRowChanged')
def __set_path(self, _: int):
"""Reload the canvas when switch the path."""
if not self.record_show.isChecked():
self.record_show.setChecked(True)
self.reload_canvas()
def current_path(self):
"""Return current path data to main canvas.
+ No path.
+ Show path data.
+ Auto preview.
"""
row = self.record_list.currentRow()
if row in {0, -1}:
return ()
path_name = self.record_list.item(row).text().split(':')[0]
return self.__path_data.get(path_name, ())
@Slot(name='on_variable_up_clicked')
@Slot(name='on_variable_down_clicked')
def __set_variable_priority(self):
row = self.variable_list.currentRow()
if not row > -1:
return
item = self.variable_list.currentItem()
self.variable_list.insertItem(
row + (-1 if self.sender() == self.variable_up else 1),
self.variable_list.takeItem(row)
)
self.variable_list.setCurrentItem(item)
