task-085: display transaction data in tables

1 files changed, 48 insertions, 0 deletions

diff --git a/schist_desktop_gui/src/gui/components/table/view_table.rs b/schist_desktop_gui/src/gui/components/table/view_table.rs
new file mode 100644
index 0000000..1d5f10b
--- /dev/null
+++ b/schist_desktop_gui/src/gui/components/table/view_table.rs
@@ -0,0 +1,48 @@
+use std::{fmt::Debug, hash::Hash};
+
+use iced::widget::{column, container, row};
+
+use crate::{gui::components::Text, style::SPACING_MD, traits::Viewable};
+
+use super::{Message, Table, Value};
+
+impl<'a, Ix> Viewable<'a, Message> for Table<Ix>
+where
+    Ix: Clone + Debug + Eq + Hash,
+{
+    fn view(&'a self) -> iced::Element<'a, Message> {
+        let headers = row(self.cols.iter().map(|col| {
+            container(Text::default(&col.name))
+                .width(iced::Length::FillPortion(1))
+                .into()
+        }))
+        .padding(SPACING_MD);
+        let rows = column(self.rows.iter().map(|row_data| {
+            row(self.cols.iter().map(|col| {
+                container(
+                    row_data
+                        .get(&col.index)
+                        .map(|datum| match datum {
+                            Value::String(text) => Text::default(text).weak(),
+                            Value::Currency(amount) => format_currency(*amount),
+                        })
+                        .unwrap_or_else(|| Text::default("")),
+                )
+                .width(iced::Length::FillPortion(1))
+                .into()
+            }))
+            .spacing(SPACING_MD)
+            .into()
+        }));
+        column![headers, rows].into()
+    }
+}
+
+fn format_currency(amount: i32) -> Text {
+    let text = if amount >= 0 {
+        format!(" {} · {} ", amount / 100, amount % 100)
+    } else {
+        format!("({} · {})", -amount / 100, -amount % 100)
+    };
+    Text::default(&text).align_right().width(iced::Length::Fill)
+}