def _enable_viewer_combo(self, viewer, data, index, selection_label):
connect_combo_selection(self, selection_label, viewer.combo)
helper = ComponentIDComboHelper(self, selection_label)
helper.set_multiple_data([data])
viewer.combo.setEnabled(True)
viewer.combo.currentIndexChanged.connect(
self._get_change_viewer_combo_func(viewer.combo, index))
self._viewer_combo_helpers.append(helper)
def _enable_viewer_combo(self, viewer, data, index, selection_label):
connect_combo_selection(self, selection_label, viewer.combo)
helper = ComponentIDComboHelper(self, selection_label)
helper.set_multiple_data([data])
viewer.combo.setEnabled(True)
viewer.combo.currentIndexChanged.connect(
self._get_change_viewer_combo_func(viewer.combo, index))
self._viewer_combo_helpers.append(helper)
def _on_current_link_change(self, *args):
# We update the link details panel on the right
for connnection in self._connections:
connnection.disconnect()
self._connections = []
link = self.state.current_link
if link is None:
self._ui.button_remove_link.setEnabled(False)
self._ui.link_details.setText('')
self._ui.combos1_header.hide()
self._ui.combos2_header.hide()
for widget in self.att_combos1 + self.att_names1 + self.att_combos2 + self.att_names2:
widget.hide()
return
self._ui.button_remove_link.setEnabled(True)
self._ui.link_details.setText(link.description)
if link.data1 is self.state.data1:
data1_names = link.names1
else:
data1_names = link.names2
for idx, (label,
combo) in enumerate(zip(self.att_names1, self.att_combos1)):
if idx < len(data1_names):
combo.show()
label.show()
label.setText(data1_names[idx])
disconnector = connect_combo_selection(link, data1_names[idx],
combo)
self._connections.append(disconnector)
else:
label.hide()
combo.hide()
if link.data1 is self.state.data2:
data2_names = link.names1
else:
data2_names = link.names2
for idx, (label,
combo) in enumerate(zip(self.att_names2, self.att_combos2)):
if idx < len(data2_names):
combo.show()
label.show()
label.setText(data2_names[idx])
disconnector = connect_combo_selection(link, data2_names[idx],
combo)
self._connections.append(disconnector)
else:
label.hide()
combo.hide()
# Headers aren't needed if data2_names is 0 (legacy mode for old link
# helpers where all attributes are 'inputs')
if len(data2_names) == 0:
self._ui.combos1_header.hide()
self._ui.combos2_header.hide()
else:
self._ui.combos1_header.show()
self._ui.combos2_header.show()
self._ui.graph_widget.set_links(self.state.links)
# When the user changes one of the attributes, we need to update the
# main list of links to show the attributes being linked. This is
# actually tricker than it sounds, and to solve this we listen for
# changes in any of the link properties. We don't need to unsubscribe
# since there's no harm in keeping them connected, and we only need to
# subscribe to links that have been shown at least once as the other
# ones can't be changed by users.
if link not in self._watched_links:
link.add_global_callback(self._on_attribute_combo_change)
self._watched_links.append(link)
def _on_current_link_change(self, *args):
# We update the link details panel on the right
link_details = self._ui.link_details
link_io_widget = QtWidgets.QWidget()
link_io = QtWidgets.QGridLayout()
link_io_widget.setLayout(link_io)
link_io.setSizeConstraint(link_io.SetFixedSize)
link_io.setHorizontalSpacing(10)
link_io.setVerticalSpacing(5)
link_io.setContentsMargins(0, 0, 0, 0)
item = self._ui.link_io.itemAt(0)
if item is not None and item.widget() is not None:
widget = item.widget()
widget.setParent(None)
# NOTE: we need to also hide the widget otherwise it will still
# appear but floating in front of or behind the dialog.
widget.hide()
for row in range(link_io.rowCount()):
link_io.setRowStretch(row, 0.5)
link_io.setColumnStretch(1, 10)
link = self.state.current_link
if link is None:
link_details.setText('')
return
link_details.setText(link.description)
index = 0
if len(link.input_names) > 0:
link_io.addWidget(QtWidgets.QLabel('<b>Inputs</b>'), 0, 0, 1, 2)
for input_name in link.input_names:
index += 1
combo = QtWidgets.QComboBox(parent=self._ui)
link_io.addWidget(QtWidgets.QLabel(input_name), index, 0)
link_io.addWidget(combo, index, 1)
connect_combo_selection(link, input_name, combo)
if len(link.output_names) > 0:
index += 1
link_io.addItem(
QtWidgets.QSpacerItem(5, 20, QtWidgets.QSizePolicy.Fixed,
QtWidgets.QSizePolicy.Fixed), index, 0)
index += 1
link_io.addWidget(QtWidgets.QLabel('<b>Output</b>'), index, 0, 1,
2)
for output_name in link.output_names:
index += 1
combo = QtWidgets.QComboBox(parent=self._ui)
link_io.addWidget(QtWidgets.QLabel(output_name), index, 0)
link_io.addWidget(combo, index, 1)
connect_combo_selection(link, output_name, combo)
index += 1
link_io.addWidget(QtWidgets.QWidget(), index, 0)
link_io.setRowStretch(index, 10)
self._ui.link_io.addWidget(link_io_widget)
self._ui.graph_widget.set_links(self.state.links)
def _on_current_link_change(self, *args):
# We update the link details panel on the right
link_details = self._ui.link_details
link_io_widget = QtWidgets.QWidget()
link_io = QtWidgets.QGridLayout()
link_io_widget.setLayout(link_io)
link_io.setSizeConstraint(link_io.SetFixedSize)
link_io.setHorizontalSpacing(10)
link_io.setVerticalSpacing(5)
link_io.setContentsMargins(0, 0, 0, 0)
item = self._ui.link_io.itemAt(0)
if item is not None and item.widget() is not None:
widget = item.widget()
widget.setParent(None)
# NOTE: we need to also hide the widget otherwise it will still
# appear but floating in front of or behind the dialog.
widget.hide()
for row in range(link_io.rowCount()):
link_io.setRowStretch(row, 0.5)
link_io.setColumnStretch(1, 10)
link = self.state.current_link
if link is None:
link_details.setText('')
return
link_details.setText(link.description)
index = 0
if len(link.input_names) > 0:
link_io.addWidget(QtWidgets.QLabel('<b>Inputs</b>'), 0, 0, 1, 2)
for input_name in link.input_names:
index += 1
combo = QtWidgets.QComboBox(parent=self._ui)
link_io.addWidget(QtWidgets.QLabel(input_name), index, 0)
link_io.addWidget(combo, index, 1)
connect_combo_selection(link, input_name, combo)
if len(link.output_names) > 0:
index += 1
link_io.addItem(QtWidgets.QSpacerItem(5, 20,
QtWidgets.QSizePolicy.Fixed,
QtWidgets.QSizePolicy.Fixed), index, 0)
index += 1
link_io.addWidget(QtWidgets.QLabel('<b>Output</b>'), index, 0, 1, 2)
for output_name in link.output_names:
index += 1
combo = QtWidgets.QComboBox(parent=self._ui)
link_io.addWidget(QtWidgets.QLabel(output_name), index, 0)
link_io.addWidget(combo, index, 1)
connect_combo_selection(link, output_name, combo)
index += 1
link_io.addWidget(QtWidgets.QWidget(), index, 0)
link_io.setRowStretch(index, 10)
self._ui.link_io.addWidget(link_io_widget)
self._ui.graph_widget.set_links(self.state.links)