feat: start working on options backend (`ApplyOptions` trait)

1 files changed, 44 insertions, 0 deletions

diff --git a/src/options.rs b/src/options.rs
new file mode 100644
index 0000000..9514dcb
--- /dev/null
+++ b/src/options.rs
@@ -0,0 +1,44 @@
+use std::collections::BTreeMap;
+use std::str::FromStr;
+
+use iced::Padding;
+use iced::widget::{Button, Column, Container, Image, Row, Svg, Text};
+
+pub trait ApplyOptions {
+    fn apply_options(self, options: BTreeMap<String, Option<String>>) -> Self;
+}
+
+impl<'a, Message> ApplyOptions for Button<'a, Message> {
+    fn apply_options(self, options: BTreeMap<String, Option<String>>) -> Self {
+        let mut button = self;
+
+        if let Some(padding) = options.get("padding").expect("padding key") {
+            let padding: Padding = padding
+                .strip_prefix('[')
+                .and_then(|s| s.strip_suffix(']'))
+                .and_then(|s| {
+                    Some(
+                        s.split(',')
+                            .map(|n| f32::from_str(n).unwrap())
+                            .collect::<Vec<_>>(),
+                    )
+                })
+                .and_then(|s| {
+                    if s.len() == 4 {
+                        Some(Padding {
+                            top: s[0],
+                            right: s[1],
+                            bottom: s[2],
+                            left: s[3],
+                        })
+                    } else {
+                        None
+                    }
+                })
+                .unwrap();
+            button = button.padding(padding);
+        }
+
+        button
+    }
+}