euv_ui/hook/use_storage/
impl.rs

1use super::*;
2
3/// Inherent implementation of [`UseStorage`].
4impl UseStorage {
5    /// Creates a handle seeded with the stored value, falling back to
6    /// `initial` when the key is not in storage yet.
7    ///
8    /// # Arguments
9    ///
10    /// - `&'static str` - The storage key.
11    /// - `UseStorageKind` - Which storage to read from.
12    /// - `&str` - The storage key.
13    ///
14    /// # Returns
15    ///
16    /// - `UseStorage` - The fresh handle.
17    pub(crate) fn new(key: &'static str, kind: UseStorageKind, initial: &str) -> Self {
18        let stored: Option<String> = read_storage(kind, key);
19        let value: String = stored.unwrap_or_else(|| initial.to_owned());
20        Self {
21            key,
22            value: Signal::create(value),
23            kind,
24        }
25    }
26
27    /// Returns the current value as a snapshot.
28    ///
29    /// # Returns
30    ///
31    /// - `String` - The stored value.
32    pub fn current(&self) -> String {
33        self.get_value().get()
34    }
35
36    /// Writes `value` to storage and updates the signal.
37    ///
38    /// # Arguments
39    ///
40    /// - `&str` - The value to store.
41    pub fn set_value(&self, value: &str) {
42        write_storage(self.get_kind(), self.get_key(), value);
43        self.get_value().set(value.to_owned());
44    }
45
46    /// Removes the key from storage and clears the signal.
47    pub fn clear(&self) {
48        remove_storage(self.get_kind(), self.get_key());
49        self.get_value().set(String::new());
50    }
51}
euv_ui/hook/use_storage/impl.rs

euv_ui/hook/use_storage/
impl.rs
