feat(table): implement a result table

src/view/pages/signal_reducing.rs

@@ -1,23 +1,38 @@
-use gtk4 as gtk;
-use std::{fmt::Debug, num::ParseFloatError, str::FromStr, sync::Arc, time::Duration};
+use std::{cell::Cell, rc::Rc};
 
 use crate::{
     event_handlers::button_event_handlers::BtnEventHandler,
-    model::{builder_traits::Product, models::*},
+    model::{
+        builder_traits::Product,
+        models::{EventHandler, SignalReduce},
+        ResultValue,
+    },
+    model_utils::signal_reducer::{
+        coef_of_signal_reduce, full_resistance_of_capacitor, reactive_resistance_of_capacitor,
+        voltage_from_signal_source,
+    },
     view::{
         components::{info_bar::InfoBar, input::Input},
         properties::*,
     },
     view_utils::signal_reduce_input_utils::{get_error_message, parse_fields},
 };
+
 use gtk::{
-    prelude::{BoxExt, GridExt, TextBufferExt, TextViewExt},
+    prelude::{BoxExt, Cast, CastNone, GridExt, ListItemExt},
     Align, WrapMode, *,
 };
+use gtk4 as gtk;
 
 pub fn signal_reducing_page(wrapper: &Box) {
-    let (input_height, monospace, input_alignment, input_wrapping): (i32, bool, Align, WrapMode) =
-        (24, true, Align::Fill, WrapMode::Word);
+    let values = Rc::new(Cell::new(SignalReduce::default()));
+
+    let last_query: Vec<TreeIter> = Vec::new();
+
+    let info_bar = InfoBar::get_instance();
+
+    let (input_height, monospace, input_wrapping): (i32, bool, WrapMode) =
+        (24, true, WrapMode::Word);
 
     let input_block: Grid = Grid::new();
 
@@ -67,13 +82,123 @@ pub fn signal_reducing_page(wrapper: &Box) {
 
     let calculate_button = Button::builder().label("Расчитать").build();
 
-    EventHandler::new(calculate_button.clone(), move |_| {
-        let values: Option<[f64; 6]> = parse_fields(all_inputs.clone());
+    let result_table_headers_labels: [&str; 4] = ["f, МГц", "Xc, пФ", "Vп, мВ", "ζ"];
 
-        println!("values: {:?}", values);
+    let model = gio::ListStore::new::<ResultValue>();
+
+    let cloned_model = model.clone();
+
+    let selection_model = SingleSelection::new(Some(model));
+
+    let result_table = ColumnView::builder()
+        .reorderable(true)
+        .model(&selection_model)
+        .build();
+
+    for label in result_table_headers_labels {
+        let factory = SignalListItemFactory::new();
+
+        factory.connect_setup(move |_, list_item| {
+            list_item
+                .downcast_ref::<ListItem>()
+                .expect("Needs to be ListItem")
+                .set_child(Some(&Label::new(None)));
+        });
+
+        let values_for_factory = values.clone();
+
+        factory.connect_bind(move |_, list_item| {
+            let cell_value = list_item
+                .downcast_ref::<ListItem>()
+                .expect("Needs to be ListItem")
+                .item()
+                .and_downcast::<ResultValue>()
+                .expect("The item has to be an `IntegerObject`.");
+
+            let cell_label = list_item
+                .downcast_ref::<ListItem>()
+                .expect("Needs to be ListItem")
+                .child()
+                .and_downcast::<Label>()
+                .expect("The child has to be a `Label`.");
+
+            let result_values = values_for_factory.clone().get();
+
+            let reactive_resist: f64 = reactive_resistance_of_capacitor(
+                result_values.2,
+                result_values.0,
+                cell_value.value(),
+            );
+
+            let full_resistance: f64 = full_resistance_of_capacitor(
+                reactive_resist,
+                result_values.4,
+                result_values.1,
+                result_values.0,
+            );
+
+            let signal_source_voltage: f64 =
+                voltage_from_signal_source(result_values.3, reactive_resist, full_resistance);
+
+            let coef: f64 = coef_of_signal_reduce(signal_source_voltage, signal_source_voltage);
+
+            match label {
+                "f, МГц" => {
+                    cell_label.set_label(&cell_value.value().to_string());
+                }
+                "Xc, пФ" => {
+                    cell_label.set_label(&reactive_resist.to_string());
+                }
+                "Vп, мВ" => {
+                    cell_label.set_label(&signal_source_voltage.to_string());
+                }
+                "ζ" => {
+                    cell_label.set_label(&coef.to_string());
+                }
+                _ => {}
+            }
+        });
+
+        let column = ColumnViewColumn::builder()
+            .title(label)
+            .expand(true)
+            .resizable(false)
+            .factory(&factory)
+            .build();
+
+        result_table.append_column(&column);
+    }
+
+    let scrollable_table = ScrolledWindow::builder()
+        .vexpand(true)
+        .child(&result_table)
+        .build();
+
+    let table = Frame::builder()
+        .child(&scrollable_table)
+        .vexpand(true)
+        .build();
+
+    EventHandler::new(calculate_button.clone(), move |_| {
+        match parse_fields(all_inputs.clone()) {
+            Ok(results) => {
+                values.set(results);
+
+                let tree_iter: TreeIter = cloned_model.append(&ResultValue::new(results.5));
+
+                last_query.append(tree_iter);
+            }
+            Err(error) => {
+                let error_kind: Option<&str> = get_error_message(error);
+
+                info_bar.set_text_label(error_kind);
+                info_bar.show_infobar(5u64);
+            }
+        }
     })
     .on_click();
 
     wrapper.append(&input_block);
     wrapper.append(&calculate_button);
+    wrapper.append(&table);
 }