示例#1
0
def _widget_abbrev_single_value(o):
    """Make widgets from single values, which can be used as parameter defaults."""
    if isinstance(o, string_types):
        return TextWidget(value=unicode_type(o))
    elif isinstance(o, dict):
        return DropdownWidget(values=o)
    elif isinstance(o, bool):
        return CheckboxWidget(value=o)
    elif isinstance(o, float):
        min, max, value = _get_min_max_value(None, None, o)
        return FloatSliderWidget(value=o, min=min, max=max)
    elif isinstance(o, int):
        min, max, value = _get_min_max_value(None, None, o)
        return IntSliderWidget(value=o, min=min, max=max)
    else:
        return None
示例#2
0
文件: cirq.py 项目: embray/cirq
    def __init__(self, domains, components, circuit=None, **kwargs):
        super(CircuitBuilder, self).__init__(**kwargs)
        self.button_text = "Launch CircuitBuilder"
        self.description = circuit.name

        def _resize_inputs(el):
            el.set_css({"width": "100px"})


        #####  make controls
        self.basic_controls = HorizontalContainer()
        self.add_component_controls = HorizontalContainer()
        self.add_port_controls = HorizontalContainer()
        self.change_component_controls = HorizontalContainer()
        self.change_port_controls = HorizontalContainer()

        # 1) basic controls
        self.reset_view_btn = ButtonWidget(description="Reset view")
        self.reset_view_btn.on_click(self.reset_view)

        self.circname = TextWidget(description="Circuit name", value=circuit.name)
        self.circname.on_displayed(_resize_inputs)

        self.rename_circ_btn = ButtonWidget(description="Rename")
        self.rename_circ_btn.on_click(self.rename_circuit)
        self.add_port_btn = ButtonWidget(description="New Port")
        self.add_port_btn.on_click(self.show_add_port_controls)
        self.add_comp_btn = ButtonWidget(description="New Component")
        self.add_comp_btn.on_click((self.show_add_comp_controls))
        # self.download_btn = ButtonWidget(description="SaveAsSVG")
        # self.download_btn.on_click()

        self.basic_controls.children = [
            self.reset_view_btn,
            self.circname,
            self.rename_circ_btn,
            self.add_port_btn,
            self.add_comp_btn,
        ]

        # 2) add component
        self.add_comp_type = DropdownWidget(description="ComponentType")
        self.add_comp_name = TextWidget(description="Component name")
        self.add_comp_name.on_displayed(_resize_inputs)

        self.add_comp_add = ButtonWidget(description="Add Component")
        self.add_comp_add.on_click(self.add_component)

        self.add_comp_back = ButtonWidget(description="Back")
        self.add_comp_back.on_click(self.back)

        self.add_component_controls.children = [
            self.add_comp_type,
            self.add_comp_name,
            self.add_comp_add,
            self.add_comp_back,
        ]

        # 3) add port
        self.add_port_name = TextWidget(description="Port name")
        self.add_port_name.on_displayed(_resize_inputs)

        self.add_port_domain = DropdownWidget(description="Domain")
        self.add_port_domain.on_trait_change(self._update_port_directions, "value_name")
        self.add_port_direction = DropdownWidget(description="Direction",
                                                 values={"in": "Input", "out": "Output"})
        self.add_port_add = ButtonWidget(description="Add Port")
        self.add_port_add.on_click(self.add_port)
        self.add_port_back = ButtonWidget(description="Back")
        self.add_port_back.on_click(self.back)

        self.add_port_controls.children = [
            self.add_port_name,
            self.add_port_domain,
            self.add_port_direction,
            self.add_port_add,
            self.add_port_back,
        ]

        # 4) change component
        self.mod_comp_name = TextWidget(description="Component name")
        self.mod_comp_name.on_displayed(_resize_inputs)
        self.mod_comp_rename = ButtonWidget(description="Rename")
        self.mod_comp_rename.on_click(self.rename_component)
        self.mod_comp_delete = ButtonWidget(description="Delete")
        self.mod_comp_delete.on_click(self.delete_component)
        self.mod_comp_back = ButtonWidget(description="Back")
        self.mod_comp_back.on_click(self.back)

        self.change_component_controls.children = [
            self.mod_comp_name,
            self.mod_comp_rename,
            self.mod_comp_delete,
            self.mod_comp_back,
        ]

        # 5) change port
        self.mod_port_name = TextWidget(description="Port name")
        self.mod_port_name.on_displayed(_resize_inputs)
        self.mod_port_rename = ButtonWidget(description="Rename")
        self.mod_port_rename.on_click(self.rename_port)
        self.mod_port_dec = ButtonWidget(description="<")
        self.mod_port_inc = ButtonWidget(description=">")
        self.mod_port_dec.on_click(self.dec_port_order)
        self.mod_port_inc.on_click(self.inc_port_order)

        self.mod_port_delete = ButtonWidget(description="Delete")
        self.mod_port_delete.on_click(self.delete_port)
        self.mod_port_back = ButtonWidget(description="Back")
        self.mod_port_back.on_click(self.back)

        self.change_port_controls.children = [
            self.mod_port_name,
            self.mod_port_rename,
            self.mod_port_dec,
            self.mod_port_inc,
            self.mod_port_delete,
            self.mod_port_back,
        ]

        # has to come at end!!
        self.domains = domains
        self.components = components
        self.circuit = circuit

        self.circuit.on_trait_change(self._handle_circuit_selection, "selected_element")
        self.circuit.on_trait_change(self._handle_circuit_name, "name")


        self.children = [
            self.basic_controls,
            self.add_component_controls,
            self.add_port_controls,
            self.change_component_controls,
            self.change_port_controls,
            self.circuit
        ]
        self.back()
示例#3
0
文件: cirq.py 项目: embray/cirq
class CircuitBuilder(PopupWidget):
    """
    Adds additional controls to the circuit widget for
    adding/removing external ports and component instances.
    """
    _view_name = Unicode("CircuitBuilderView", sync=True)
    circuit = Instance(klass=Circuit, sync=True)
    domains = List()
    _domains_by_name = Dict()
    components = List()
    _components_by_name = Dict()

    def _components_changed(self, name, old, new):
        self.add_comp_type.values = {c.name: c.name for c in new}
        self._components_by_name = {c.name: c for c in new}

    def _domains_changed(self, name, old, new):
        self.add_port_domain.values = {d.name: d.name for d in new}
        self.add_port_domain.value_name = new[0].name
        self._domains_by_name = {d.name: d for d in new}
        self._update_port_directions()

    def __init__(self, domains, components, circuit=None, **kwargs):
        super(CircuitBuilder, self).__init__(**kwargs)
        self.button_text = "Launch CircuitBuilder"
        self.description = circuit.name

        def _resize_inputs(el):
            el.set_css({"width": "100px"})


        #####  make controls
        self.basic_controls = HorizontalContainer()
        self.add_component_controls = HorizontalContainer()
        self.add_port_controls = HorizontalContainer()
        self.change_component_controls = HorizontalContainer()
        self.change_port_controls = HorizontalContainer()

        # 1) basic controls
        self.reset_view_btn = ButtonWidget(description="Reset view")
        self.reset_view_btn.on_click(self.reset_view)

        self.circname = TextWidget(description="Circuit name", value=circuit.name)
        self.circname.on_displayed(_resize_inputs)

        self.rename_circ_btn = ButtonWidget(description="Rename")
        self.rename_circ_btn.on_click(self.rename_circuit)
        self.add_port_btn = ButtonWidget(description="New Port")
        self.add_port_btn.on_click(self.show_add_port_controls)
        self.add_comp_btn = ButtonWidget(description="New Component")
        self.add_comp_btn.on_click((self.show_add_comp_controls))
        # self.download_btn = ButtonWidget(description="SaveAsSVG")
        # self.download_btn.on_click()

        self.basic_controls.children = [
            self.reset_view_btn,
            self.circname,
            self.rename_circ_btn,
            self.add_port_btn,
            self.add_comp_btn,
        ]

        # 2) add component
        self.add_comp_type = DropdownWidget(description="ComponentType")
        self.add_comp_name = TextWidget(description="Component name")
        self.add_comp_name.on_displayed(_resize_inputs)

        self.add_comp_add = ButtonWidget(description="Add Component")
        self.add_comp_add.on_click(self.add_component)

        self.add_comp_back = ButtonWidget(description="Back")
        self.add_comp_back.on_click(self.back)

        self.add_component_controls.children = [
            self.add_comp_type,
            self.add_comp_name,
            self.add_comp_add,
            self.add_comp_back,
        ]

        # 3) add port
        self.add_port_name = TextWidget(description="Port name")
        self.add_port_name.on_displayed(_resize_inputs)

        self.add_port_domain = DropdownWidget(description="Domain")
        self.add_port_domain.on_trait_change(self._update_port_directions, "value_name")
        self.add_port_direction = DropdownWidget(description="Direction",
                                                 values={"in": "Input", "out": "Output"})
        self.add_port_add = ButtonWidget(description="Add Port")
        self.add_port_add.on_click(self.add_port)
        self.add_port_back = ButtonWidget(description="Back")
        self.add_port_back.on_click(self.back)

        self.add_port_controls.children = [
            self.add_port_name,
            self.add_port_domain,
            self.add_port_direction,
            self.add_port_add,
            self.add_port_back,
        ]

        # 4) change component
        self.mod_comp_name = TextWidget(description="Component name")
        self.mod_comp_name.on_displayed(_resize_inputs)
        self.mod_comp_rename = ButtonWidget(description="Rename")
        self.mod_comp_rename.on_click(self.rename_component)
        self.mod_comp_delete = ButtonWidget(description="Delete")
        self.mod_comp_delete.on_click(self.delete_component)
        self.mod_comp_back = ButtonWidget(description="Back")
        self.mod_comp_back.on_click(self.back)

        self.change_component_controls.children = [
            self.mod_comp_name,
            self.mod_comp_rename,
            self.mod_comp_delete,
            self.mod_comp_back,
        ]

        # 5) change port
        self.mod_port_name = TextWidget(description="Port name")
        self.mod_port_name.on_displayed(_resize_inputs)
        self.mod_port_rename = ButtonWidget(description="Rename")
        self.mod_port_rename.on_click(self.rename_port)
        self.mod_port_dec = ButtonWidget(description="<")
        self.mod_port_inc = ButtonWidget(description=">")
        self.mod_port_dec.on_click(self.dec_port_order)
        self.mod_port_inc.on_click(self.inc_port_order)

        self.mod_port_delete = ButtonWidget(description="Delete")
        self.mod_port_delete.on_click(self.delete_port)
        self.mod_port_back = ButtonWidget(description="Back")
        self.mod_port_back.on_click(self.back)

        self.change_port_controls.children = [
            self.mod_port_name,
            self.mod_port_rename,
            self.mod_port_dec,
            self.mod_port_inc,
            self.mod_port_delete,
            self.mod_port_back,
        ]

        # has to come at end!!
        self.domains = domains
        self.components = components
        self.circuit = circuit

        self.circuit.on_trait_change(self._handle_circuit_selection, "selected_element")
        self.circuit.on_trait_change(self._handle_circuit_name, "name")


        self.children = [
            self.basic_controls,
            self.add_component_controls,
            self.add_port_controls,
            self.change_component_controls,
            self.change_port_controls,
            self.circuit
        ]
        self.back()



    def _handle_circuit_selection(self):
        e = self.circuit.selected_element
        if e:
            if isinstance(e, Port) and e.is_ext:
                self.back()
                self.show_mod_port_controls(e)
                return
            elif isinstance(e, ComponentInstance):
                self.back()
                self.show_mod_comp_controls(e)
                return
        self.back()

    def _handle_circuit_name(self):
        self.circname.value = self.circuit.name
        self.description = self.circuit.name

    def reset_view(self, *_):
        self.circuit.zoom = (0., 0., 1.)

    def back(self, *_):
        for c in [
            self.add_component_controls,
            self.add_port_controls,
            self.change_component_controls,
            self.change_port_controls,
        ]:
            c.visible = False
        self.basic_controls.visible = True

    def show_mod_comp_controls(self, c):
        self.basic_controls.visible = False
        self.change_component_controls.visible = True
        self.mod_comp_name.value = c.name

    def show_mod_port_controls(self, p):
        self.basic_controls.visible = False
        self.change_port_controls.visible = True
        self.mod_port_name.value = p.name

    def show_add_port_controls(self, *_):
        self.basic_controls.visible = False
        self.add_port_controls.visible = True

    def show_add_comp_controls(self, *_):
        self.basic_controls.visible = False
        self.add_component_controls.visible = True

    def _update_port_directions(self):
        d = self._domains_by_name.get(self.add_port_domain.value_name, False)
        if isinstance(d, Domain):
            self.add_port_direction.visible = d.causal

    def rename_circuit(self, *_):
        if len(self.circname.value):
            self.circuit.name = self.circname.value

    def add_component(self, *_):
        ctype = self._components_by_name[self.add_comp_type.value_name]
        cname = self.add_comp_name.value

        if len(cname) and not cname in self.circuit.c:

            new_comp = ctype.make_instance(cname)
            self.circuit.component_instances = self.circuit.component_instances + [new_comp]

    def add_port(self, *_):
        d = self._domains_by_name[self.add_port_domain.value_name]
        dir = self.add_port_direction.value_name
        if not d.causal:
            dir = "inout"
        pname = self.add_port_name.value
        if len(pname) and not pname in self.circuit.p:
            newp = Port(name=pname, domain=d, direction=dir)
            self.circuit.ports = self.circuit.ports + [newp]


    def rename_component(self, *_):
        c = self.circuit.selected_element
        if not isinstance(c, ComponentInstance):
            return
        newname = self.mod_comp_name.value
        if len(newname) and not newname in self.circuit.c:
            del self.circuit.c[c.name]
            c.name = newname
            self.circuit.c[c.name] = c

    def rename_port(self, *_):
        p = self.circuit.selected_element
        if not isinstance(p, Port):
            return
        newname = self.mod_port_name.value
        if len(newname) and not newname in self.circuit.p:
            del self.circuit.p[p.name]
            p.name = newname
            self.circuit.p[p.name] = p

    def delete_component(self, *_):
        c = self.circuit.selected_element
        if not isinstance(c, ComponentInstance) \
                or not c in self.circuit.component_instances:
            return
        self.circuit.component_instances = filter(lambda cc: cc is not c,
                                                  self.circuit.component_instances)
        for p in c.ports:
            for cc in p.connections_in + p.connections_out:
                cc.remove()

        self.circuit.selected_element = None

    def delete_port(self, *_):
        p = self.circuit.selected_element
        if not isinstance(p, Port) \
                or not p in self.circuit.ports:
            return
        self.circuit.ports = filter(lambda pp: pp is not p,
                                                  self.circuit.ports)

        for c in p.connections_in + p.connections_out:
            c.remove()

        self.circuit.selected_element = None


    def dec_port_order(self, *_):
        p = self.circuit.selected_element
        if not isinstance(p, Port) \
                or not p in self.circuit.ports:
            return
        ps = list(self.circuit.ports)
        ii = ps.index(p)
        ps.pop(ii)
        ii = max(1, ii)
        self.circuit.ports = ps[:ii-1] + [p] + ps[ii-1:]


    def inc_port_order(self, *_):
        p = self.circuit.selected_element
        if not isinstance(p, Port) \
                or not p in self.circuit.ports:
            return
        ps = list(self.circuit.ports)
        ii = ps.index(p)
        ps.pop(ii)
        self.circuit.ports = ps[:ii+1] + [p] + ps[ii+1:]
示例#4
0
文件: core.py 项目: dsblank/cirq
class CircuitBuilder(PopupWidget):
    """
    Comprehensive circuit creation widget that has control dialogs for adding/modifying component instances as well as
     external ports.
    """
    _view_name = Unicode("CircuitBuilderView", sync=True)
    circuit = Instance(klass=Circuit, sync=True)
    domains = List()
    _domains_by_name = Dict()
    components = List()
    _components_by_name = Dict()

    def __init__(self, domains, components, circuit, **kwargs):
        super(CircuitBuilder, self).__init__(**kwargs)

        if isinstance(circuit, str):
            circuit = Circuit(name=circuit)

        self.button_text = "Launch CircuitBuilder"
        self.description = circuit.name

        def _resize_inputs(el):
            el.set_css({"width": "100px"})

        # ####  make controls
        self.basic_controls = HorizontalContainer()
        self.add_component_controls = HorizontalContainer()
        self.add_port_controls = HorizontalContainer()
        self.change_component_controls = HorizontalContainer()
        self.change_port_controls = HorizontalContainer()

        # 1) basic controls
        self._reset_view_btn = ButtonWidget(description="Reset view")
        self._reset_view_btn.on_click(self.reset_view)

        self._circuit_name = TextWidget(description="Circuit name", value=circuit.name)
        self._circuit_name.on_displayed(_resize_inputs)

        self._rename_circ_btn = ButtonWidget(description="Rename")
        self._rename_circ_btn.on_click(self._rename_circuit)
        self._add_port_btn = ButtonWidget(description="New Port")
        self._add_port_btn.on_click(self.add_port_dialog)
        self._add_comp_btn = ButtonWidget(description="New Component")
        self._add_comp_btn.on_click(self.add_component_dialog)

        self.basic_controls.children = [
            self._reset_view_btn,
            self._circuit_name,
            self._rename_circ_btn,
            self._add_port_btn,
            self._add_comp_btn,
        ]

        # 2) add component
        self._add_comp_type = DropdownWidget(description="ComponentType")
        self._add_comp_name = TextWidget(description="Component name")
        self._add_comp_name.on_displayed(_resize_inputs)

        self._add_comp_add = ButtonWidget(description="Add Component")
        self._add_comp_add.on_click(self._add_component)

        self._add_comp_back = ButtonWidget(description="Back")
        self._add_comp_back.on_click(self.back)

        self.add_component_controls.children = [
            self._add_comp_type,
            self._add_comp_name,
            self._add_comp_add,
            self._add_comp_back,
        ]

        # 3) add port
        self._add_port_name = TextWidget(description="Port name")
        self._add_port_name.on_displayed(_resize_inputs)

        self._add_port_domain = DropdownWidget(description="Domain")
        self._add_port_domain.on_trait_change(self._update_port_directions, "value_name")
        self._add_port_direction = DropdownWidget(description="Direction",
                                                  values={"in": "Input", "out": "Output"})
        self._add_port_add = ButtonWidget(description="Add Port")
        self._add_port_add.on_click(self._add_port)
        self._add_port_back = ButtonWidget(description="Back")
        self._add_port_back.on_click(self.back)

        self.add_port_controls.children = [
            self._add_port_name,
            self._add_port_domain,
            self._add_port_direction,
            self._add_port_add,
            self._add_port_back,
        ]

        # 4) change component
        self._mod_comp_name = TextWidget(description="Component name")
        self._mod_comp_name.on_displayed(_resize_inputs)
        self._mod_comp_rename = ButtonWidget(description="Rename")
        self._mod_comp_rename.on_click(self._rename_component)
        self._mod_comp_delete = ButtonWidget(description="Delete")
        self._mod_comp_delete.on_click(self.delete_selected_component)
        self._mod_comp_back = ButtonWidget(description="Back")
        self._mod_comp_back.on_click(self.back)

        self.change_component_controls.children = [
            self._mod_comp_name,
            self._mod_comp_rename,
            self._mod_comp_delete,
            self._mod_comp_back,
        ]

        # 5) change port
        self._mod_port_name = TextWidget(description="Port name")
        self._mod_port_name.on_displayed(_resize_inputs)
        self._mod_port_rename = ButtonWidget(description="Rename")
        self._mod_port_rename.on_click(self._rename_port)
        self._mod_port_dec = ButtonWidget(description="<")
        self._mod_port_inc = ButtonWidget(description=">")
        self._mod_port_dec.on_click(self.move_selected_port_up)
        self._mod_port_inc.on_click(self.move_selected_port_down)

        self._mod_port_delete = ButtonWidget(description="Delete")
        self._mod_port_delete.on_click(self.delete_selected_port)
        self._mod_port_back = ButtonWidget(description="Back")
        self._mod_port_back.on_click(self.back)

        self.change_port_controls.children = [
            self._mod_port_name,
            self._mod_port_rename,
            self._mod_port_dec,
            self._mod_port_inc,
            self._mod_port_delete,
            self._mod_port_back,
        ]

        # has to come at end!!
        self.domains = domains
        self.components = components
        self.circuit = circuit

        self.circuit.on_trait_change(self._handle_circuit_selection, "selected_element")
        self.circuit.on_trait_change(self._handle_circuit_name, "name")

        self.children = [
            self.basic_controls,
            self.add_component_controls,
            self.add_port_controls,
            self.change_component_controls,
            self.change_port_controls,
            self.circuit
        ]
        self.back()

    # noinspection PyDocstring
    def reset_view(self, *_):
        """
        Reset the pan and zoom of the circuit editor widget.
        """
        self.circuit.zoom = (0., 0., 1.)

    # noinspection PyDocstring
    def back(self, *_):
        """
        Quit all sub-dialogs and display the default controls for renaming the circuit.
        """
        for c in [
            self.add_component_controls,
            self.add_port_controls,
            self.change_component_controls,
            self.change_port_controls,
        ]:
            c.visible = False
        self.basic_controls.visible = True

    def modify_component_dialog(self, c):
        """
        Show the control dialog for modifying a component.

        :param c: The component to be modified
        """
        self.basic_controls.visible = False
        self.change_component_controls.visible = True
        self._mod_comp_name.value = c.name

    def modify_port_dialog(self, p):
        """
        Show the control dialog for modifying an external port.

        :param p: The external port to be modified
        """
        self.basic_controls.visible = False
        self.change_port_controls.visible = True
        self._mod_port_name.value = p.name

    # noinspection PyDocstring
    def add_port_dialog(self, *_):
        """
        Show the dialog to add a new external port.
        """
        self.basic_controls.visible = False
        self.add_port_controls.visible = True

    # noinspection PyDocstring
    def add_component_dialog(self, *_):
        """
        Show the dialog to add a new component instance.
        """
        self.basic_controls.visible = False
        self.add_component_controls.visible = True

    # noinspection PyDocstring,PyTypeChecker
    def delete_selected_component(self, *_):
        """
        Delete the currently selected component.
        """
        c = self.circuit.selected_element
        if not isinstance(c, ComponentInstance) \
                or not c in self.circuit.component_instances:
            return
        self.circuit.component_instances = filter(lambda comp: comp is not c,
                                                  self.circuit.component_instances)
        # noinspection PyTypeChecker
        for p in c.ports:
            for cc in p.connections_in + p.connections_out:
                cc.remove()

        self.circuit.selected_element = None

    # noinspection PyDocstring,PyTypeChecker
    def delete_selected_port(self, *_):
        """
        Delete the currently selected external port.
        """
        p = self.circuit.selected_element
        if not isinstance(p, Port) \
                or not p in self.circuit.ports:
            return
        self.circuit.ports = filter(lambda pp: pp is not p,
                                    self.circuit.ports)

        # noinspection PyUnresolvedReferences
        for c in p.connections_in + p.connections_out:
            c.remove()

        self.circuit.selected_element = None

    # noinspection PyDocstring,PyTypeChecker
    def move_selected_port_up(self, *_):
        """
        Move the selected port up in the overall order of external ports.
        """
        p = self.circuit.selected_element
        if not isinstance(p, Port) \
                or not p in self.circuit.ports:
            return
        ps = list(self.circuit.ports)
        ii = ps.index(p)
        ps.pop(ii)
        ii = max(1, ii)
        self.circuit.ports = ps[:ii - 1] + [p] + ps[ii - 1:]

    # noinspection PyDocstring,PyTypeChecker
    def move_selected_port_down(self, *_):
        """
        Move the selected port down in the overall order of external ports.
        """
        p = self.circuit.selected_element
        if not isinstance(p, Port) \
                or not p in self.circuit.ports:
            return
        ps = list(self.circuit.ports)
        ii = ps.index(p)
        ps.pop(ii)
        self.circuit.ports = ps[:ii + 1] + [p] + ps[ii + 1:]

    # noinspection PyUnusedLocal
    def _components_changed(self, name, old, new):
        self._add_comp_type.values = {c.name: c.name for c in new}
        self._components_by_name = {c.name: c for c in new}

    # noinspection PyUnusedLocal
    def _domains_changed(self, name, old, new):
        self._add_port_domain.values = {d.name: d.name for d in new}
        self._add_port_domain.value_name = new[0].name
        self._domains_by_name = {d.name: d for d in new}
        self._update_port_directions()

    def _handle_circuit_selection(self):
        e = self.circuit.selected_element
        if e:
            if isinstance(e, Port) and e.is_ext:
                self.back()
                self.modify_port_dialog(e)
                return
            elif isinstance(e, ComponentInstance):
                self.back()
                self.modify_component_dialog(e)
                return
        self.back()

    def _handle_circuit_name(self):
        self._circuit_name.value = self.circuit.name
        self.description = self.circuit.name

    def _update_port_directions(self):
        d = self._domains_by_name.get(self._add_port_domain.value_name, False)
        if isinstance(d, Domain):
            self._add_port_direction.visible = d.causal

    def _rename_circuit(self, *_):
        if len(self._circuit_name.value):
            self.circuit.name = self._circuit_name.value

    # noinspection PyUnresolvedReferences
    def _add_component(self, *_):
        ctype = self._components_by_name[self._add_comp_type.value_name]
        cname = self._add_comp_name.value

        if len(cname) and not cname in self.circuit.c:
            new_comp = ctype.make_instance(cname)
            self.circuit.component_instances = self.circuit.component_instances + [new_comp]

    # noinspection PyUnresolvedReferences
    def _add_port(self, *_):
        d = self._domains_by_name[self._add_port_domain.value_name]
        direction = self._add_port_direction.value_name
        if not d.causal:
            direction = "inout"
        pname = self._add_port_name.value
        if len(pname) and not pname in self.circuit.p:
            newp = Port(name=pname, domain=d, direction=direction)
            self.circuit.ports = self.circuit.ports + [newp]

    def _rename_component(self, *_):
        c = self.circuit.selected_element
        if not isinstance(c, ComponentInstance):
            return
        newname = self._mod_comp_name.value
        if len(newname) and not newname in self.circuit.c:
            del self.circuit.c[c.name]
            c.name = newname
            self.circuit.c[c.name] = c

    def _rename_port(self, *_):
        p = self.circuit.selected_element
        if not isinstance(p, Port):
            return
        newname = self._mod_port_name.value
        if len(newname) and not newname in self.circuit.p:
            del self.circuit.p[p.name]
            p.name = newname
            self.circuit.p[p.name] = p