fixed ui and themes for tree view + neovim plugin wrapper

src/format/mod.rs

@@ -4,11 +4,24 @@ use std::path::Path;
 pub mod env;
 pub mod hierarchical;
 
+#[derive(Debug, Clone, PartialEq, Eq)]
+pub enum ItemStatus {
+    Present,
+    MissingFromActive,
+    MissingFromTemplate,
+    Modified,
+}
+
 #[derive(Debug, Clone)]
-pub struct EnvVar {
+pub struct ConfigItem {
     pub key: String,
-    pub value: String,
-    pub default_value: String,
+    pub path: String,
+    pub value: Option<String>,
+    pub template_value: Option<String>,
+    pub default_value: Option<String>,
+    pub depth: usize,
+    pub is_group: bool,
+    pub status: ItemStatus,
 }
 
 #[derive(Debug, Clone, Copy, PartialEq, Eq)]
@@ -20,9 +33,9 @@ pub enum FormatType {
 }
 
 pub trait FormatHandler {
-    fn parse(&self, path: &Path) -> io::Result<Vec<EnvVar>>;
-    fn merge(&self, path: &Path, vars: &mut Vec<EnvVar>) -> io::Result<()>;
-    fn write(&self, path: &Path, vars: &[EnvVar]) -> io::Result<()>;
+    fn parse(&self, path: &Path) -> io::Result<Vec<ConfigItem>>;
+    fn merge(&self, path: &Path, vars: &mut Vec<ConfigItem>) -> io::Result<()>;
+    fn write(&self, path: &Path, vars: &[ConfigItem]) -> io::Result<()>;
 }
 
 pub fn detect_format(path: &Path, override_format: Option<String>) -> FormatType {