docs(discussion): add answer to 655

examples/validation/discussion/655.py

@@ -0,0 +1,152 @@
+import plotly.express as px
+
+from trame.app import get_server
+from trame.ui.vuetify3 import SinglePageWithDrawerLayout
+from trame.ui.router import RouterViewLayout
+from trame.widgets import router, plotly
+from trame.widgets import vuetify3 as vuetify
+
+
+# -----------------------------------------------------------------------------
+# Charts
+# -----------------------------------------------------------------------------
+
+
+def scatter():
+    df = px.data.iris()
+
+    template = "plotly"
+    if state.theme_mode == "dark":
+        template = "plotly_dark"
+
+    fig = px.scatter(
+        df,
+        x="sepal_width",
+        y="sepal_length",
+        color="species",
+        template=template,
+        title="A Plotly Express Figure",
+    )
+
+    return fig
+
+
+# -----------------------------------------------------------------------------
+# Trame setup
+# -----------------------------------------------------------------------------
+
+server = get_server()
+server.client_type = "vue3"
+state, ctrl = server.state, server.controller
+
+# -----------------------------------------------------------------------------
+# Callbacks
+# -----------------------------------------------------------------------------
+
+
+@state.change("theme_mode")
+def update_cube_axes_visibility(**kwargs):
+    ctrl.graph_update(scatter())
+
+
+# -----------------------------------------------------------------------------
+# GUI
+# -----------------------------------------------------------------------------
+
+# Home route
+with RouterViewLayout(server, "/"):
+    with vuetify.VCard():
+        vuetify.VCardTitle("This is home")
+        with vuetify.VContainer(fluid=True, style="height: 600px;"):
+            with vuetify.VRow(dense=True):
+                vuetify.VSpacer()
+                figure = plotly.Figure(
+                    display_logo=False,
+                    display_mode_bar="true",
+                    # selected=(on_event, "['selected', utils.safe($event)]"),
+                    # hover=(on_event, "['hover', utils.safe($event)]"),
+                    # selecting=(on_event, "['selecting', $event]"),
+                    # unhover=(on_event, "['unhover', $event]"),
+                )
+                ctrl.graph_update = figure.update
+                vuetify.VSpacer()
+
+# Foo route
+with RouterViewLayout(server, "/foo"):
+    with vuetify.VCard():
+        vuetify.VCardTitle("This is foo")
+        with vuetify.VCardText():
+            vuetify.VBtn("Take me back", click="$router.back()")
+
+# Bar/id
+with RouterViewLayout(server, "/bar/:id"):
+    with vuetify.VCard():
+        vuetify.VCardTitle("This is bar with ID '{{ $route.params.id }}'")
+
+
+# Main page content
+with SinglePageWithDrawerLayout(server, theme=("theme_mode", "light")) as layout:
+    layout.title.set_text("Multi-Page demo")
+
+    with layout.toolbar:
+        vuetify.VSpacer()
+        vuetify.VCheckbox(
+            v_model=("theme_mode", "light"),
+            true_icon="mdi-lightbulb-off-outline",
+            false_icon="mdi-lightbulb-outline",
+            true_value="dark",
+            false_value="light",
+            classes="mx-1",
+            hide_details=True,
+            dense=True,
+        )
+        # vuetify.VCheckbox(
+        #     v_model="$vuetify.theme.dark",
+        #     color="white",
+        #     change=("graph_theme", "[$event]"),
+        #     on_icon="mdi-lightbulb-off-outline",
+        #     off_icon="mdi-lightbulb-outline",
+        #     classes="mx-1",
+        #     hide_details=True,
+        #     dense=True,
+        # )
+
+    with layout.content:
+        with vuetify.VContainer():
+            router.RouterView()
+
+    # add router buttons to the drawer
+    with layout.drawer:
+        with vuetify.VList(shaped=True, v_model=("selectedRoute", 0)):
+            # vuetify.VSubheader("Routes")
+
+            with vuetify.VListItem(to="/"):
+                vuetify.VIcon("mdi-home")
+                vuetify.VListItemTitle("Home")
+
+            with vuetify.VListItem(to="/foo"):
+                vuetify.VIcon("mdi-food")
+                vuetify.VListItemTitle("Foo")
+
+            with vuetify.VListGroup(value=("true",), sub_group=True):
+                with vuetify.Template(v_slot_activator=True):
+                    vuetify.VListItemTitle("Bars")
+                # with vuetify.VListItemContent():
+                #     with vuetify.VListItem(v_for="id in [1]", to=("'/bar/' + id",)):
+                #         # with vuetify.VListItemIcon():
+                #         #     vuetify.VIcon("mdi-peanut-outline")
+                #         with vuetify.VListItemContent():
+                #             vuetify.VListItemTitle("Bar")
+                #             vuetify.VListItemSubtitle("ID '{{id}}'")
+
+# -----------------------------------------------------------------------------
+# Main
+# -----------------------------------------------------------------------------
+
+
+def main():
+    server.start()
+
+
+if __name__ == "__main__":
+    main()