main_view: introduce configuration view

* allow to load and save config parameters to ron file

Signed-off-by: Ralf Zerres <ralf.zerres@networkx.de>

advotracker/src/widgets/main_view.rs

@@ -56,13 +56,17 @@ impl Template for MainView {
                 TabWidget::new()
                     .tab("Policynumber check", policycheck_view)
                     .tab("Localization", LocalizationView::new().build(ctx))
+                    .tab("Configuration", ConfigurationView::new().build(ctx))
                     .build(ctx),
             )
             //.child(policycheck_view)
     }
 }
 
-widget!(LocalizationView<LocalizationState> { languages: List, selected_index: i32 });
+widget!(LocalizationView<LocalizationState> {
+    languages: List,
+    selected_index: i32 }
+);
 
 impl Template for LocalizationView {
     fn template(self, id: Entity, ctx: &mut BuildContext<'_>) -> Self {
@@ -97,6 +101,123 @@ impl Template for LocalizationView {
     }
 }
 
+widget!(
+    ConfigurationView<ConfigurationState> {
+        configuration_file: String,
+        language_id: String
+    }
+);
+
+impl Template for ConfigurationView {
+    fn template(self, id: Entity, ctx: &mut BuildContext<'_>) -> Self {
+        self.child(
+            Grid::new()
+                .margin(4)
+                .columns(
+                    Columns::create()
+                        .push(120)
+                        .push(12)
+                        .push("auto")
+                )
+                .rows(Rows::create()
+                      .push("auto")
+                      .push(4)
+                      .push("auto")
+                      .push(4)
+                      .push("auto")
+                      .push(12)
+                      .push("auto"),
+                )
+                .child(
+                    TextBlock::new()
+                        .h_align("start")
+                        .attach(Grid::column(0))
+                        .attach(Grid::row(0))
+                        .attach(Grid::column_span(3))
+                        .text("Configuration settings")
+                        .style("header")
+                        .build(ctx),
+                )
+                .child(
+                    TextBlock::new()
+                        .attach(Grid::column(0))
+                        .attach(Grid::row(2))
+                        .v_align("center")
+                        .h_align("end")
+                        .text("Configuration file")
+                        .build(ctx),
+                )
+                .child(
+                    TextBox::new()
+                        .attach(Grid::column(2))
+                        .attach(Grid::row(2))
+                        .text(("configuration_file", id))
+                        .water_mark("Filename...")
+                        .build(ctx),
+                )
+                .child(
+                    TextBlock::new()
+                        .attach(Grid::column(0))
+                        .attach(Grid::row(4))
+                        .v_align("center")
+                        .h_align("end")
+                        .text("Language Id")
+                        .build(ctx),
+                )
+                .child(
+                    TextBox::new()
+                        .attach(Grid::column(2))
+                        .attach(Grid::row(4))
+                        .text(("language_id", id))
+                        .water_mark("Locale Identifier...")
+                        .build(ctx),
+                )
+                .child(
+                    Grid::new()
+                        .h_align("center")
+                        .attach(Grid::column(0))
+                        .attach(Grid::row(6))
+                        .attach(Grid::column_span(3))
+                        .columns(
+                            Columns::create()
+                                .push("auto")
+                                .push(8)
+                                .push("auto")
+                        )
+                        .rows(Rows::create()
+                              .push("auto")
+                        )
+                        .child(
+                            Button::new()
+                                .style("button_single_content")
+                                .attach(Grid::column(0))
+                                .attach(Grid::row(0))
+                                .text("load")
+                                .on_click(move |ctx, _| {
+                                    ctx.send_message(ConfigurationAction::LoadConfiguration, id);
+                                    true
+                                })
+                                .build(ctx),
+                        )
+                        .child(
+                            Button::new()
+                                .text("save")
+                                .style("button_single_content")
+                                .attach(Grid::column(2))
+                                .attach(Grid::row(0))
+                                .on_click(move |ctx, _| {
+                                    ctx.send_message(ConfigurationAction::SaveConfiguration, id);
+                                    true
+                                })
+                                .build(ctx),
+                        )
+                        .build(ctx),
+                )
+                .build(ctx),
+        )
+    }
+}
+
 // [END] views
 
 // [START] states
@@ -131,4 +252,67 @@ impl State for LocalizationState {
     }
 }
 
+#[derive(Debug, Default, AsAny)]
+struct ConfigurationState {}
+
+impl State for ConfigurationState {
+    fn messages(
+        &mut self,
+        mut messages: MessageReader,
+        registry: &mut Registry,
+        ctx: &mut Context<'_>,
+    ) {
+        for message in messages.read::<ConfigurationAction>() {
+            match message {
+                ConfigurationAction::LoadConfiguration => registry
+                    .get::<Settings>("settings")
+                    .load_async::<ConfigurationData>("configuration_data".to_string(), ctx.entity()),
+                ConfigurationAction::SaveConfiguration => {
+                    let configuration_file: String = ConfigurationView::configuration_file_clone(&ctx.widget());
+                    let language_id: String = ConfigurationView::language_id_clone(&ctx.widget());
+                    registry.get::<Settings>("settings").save_async(
+                        "configuration_data".to_string(),
+                        ConfigurationData(
+                            configuration_file,
+                            language_id
+                        ),
+                        ctx.entity(),
+                    );
+                }
+            }
+        }
+
+        // save result
+        for message in messages.read::<SettingsResult<()>>() {
+            println!("Result {:?}", message);
+        }
+
+        // load result
+        for message in messages.read::<SettingsResult<ConfigurationData>>() {
+            if let Ok(data) = message {
+                ConfigurationView::configuration_file_set(&mut ctx.widget(), data.0);
+                ConfigurationView::language_id_set(&mut ctx.widget(), data.1);
+            }
+        }
+    }
+}
+
 // [END] states
+
+// [START] Configuration data
+
+#[derive(Clone, Debug)]
+enum ConfigurationAction {
+    SaveConfiguration,
+    LoadConfiguration,
+}
+
+use serde::{Deserialize, Serialize};
+
+#[derive(Default, Debug, Clone, Serialize, Deserialize)]
+pub struct ConfigurationData(
+    pub String,
+    pub String
+);
+
+// [END] Configuration data