refactor(parse_field): rewrite fields parser util

Field parser has been rewritten as the signal reduce page uses a Entry
inputs instead TextView.

src/controller/view_utils/signal_reduce_input_utils.rs

@@ -1,28 +0,0 @@
-
-pub fn parse_fields(all_inputs: Vec<Input>) -> Result<SignalReduce> {
-    let mut values: [f64; 6] = [0.0; 6];
-
-    for (i, input) in all_inputs.iter().enumerate() {
-        let input_text_buffer: TextBuffer = input.clone().get_input().buffer();
-        let extracted_value = f64::from_str(
-            input_text_buffer
-                .text(
-                    &input_text_buffer.start_iter(),
-                    &input_text_buffer.end_iter(),
-                    false,
-                )
-                .as_str()
-                .trim(),
-        )?;
-        values[i] = extracted_value;
-    }
-
-    Ok(SignalReduce {
-        length: values[0],
-        wire_resistance: values[1],
-        wire_capacity: values[2],
-        source_resistance: values[3],
-        source_voltage: values[4],
-        frequency: values[5],
-    })
-}

src/controller/view_utils/signal_reduce_utils.rs

@@ -21,3 +21,22 @@ pub fn get_error_message(error: Error) -> Option<&'static str> {
     }
 }
 
+pub fn parse_fields(all_inputs: Vec<Input<Entry>>) -> Result<SignalReduce> {
+    let mut values: [f64; 6] = [0.0; 6];
+
+    for (i, input) in all_inputs.iter().enumerate() {
+        let input_text_buffer = input.get_input();
+        let extracted_value = f64::from_str(input_text_buffer.text().as_str().trim())?;
+        values[i] = extracted_value;
+    }
+
+    Ok(SignalReduce {
+        length: values[0],
+        wire_resistance: values[1],
+        wire_capacity: values[2],
+        source_resistance: values[3],
+        source_voltage: values[4],
+        frequency: values[5],
+    })
+}
+