applin 0.3.0

Backend library for the Applin™ Server-Driven UI framework
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131

use serde::{Deserialize, Serialize};
use std::time::Duration;

#[derive(Clone, Debug, Deserialize, Eq, Hash, Ord, PartialEq, PartialOrd, Serialize)]
pub struct Selector {
    #[serde(default, skip_serializing_if = "String::is_empty")]
    pub error: String,
    #[serde(default, skip_serializing_if = "String::is_empty")]
    pub id: String,
    #[serde(default, skip_serializing_if = "String::is_empty")]
    pub initial_string: String,
    #[serde(default, skip_serializing_if = "String::is_empty")]
    pub initial_string1: String,
    #[serde(default, skip_serializing_if = "String::is_empty")]
    pub initial_string2: String,
    #[serde(default, skip_serializing_if = "String::is_empty")]
    pub label: String,
    #[serde(default, skip_serializing_if = "Vec::is_empty")]
    pub options: Vec<String>,
    #[serde(default, skip_serializing_if = "Vec::is_empty")]
    pub options1: Vec<String>,
    #[serde(default, skip_serializing_if = "Vec::is_empty")]
    pub options2: Vec<String>,
    #[serde(default, skip_serializing_if = "Option::is_none")]
    pub poll_delay_ms: Option<u32>,
    #[serde(default, skip_serializing_if = "std::ops::Not::not")]
    pub validated: bool,
    pub var_name: String,
    #[serde(default, skip_serializing_if = "String::is_empty")]
    pub var_name1: String,
    #[serde(default, skip_serializing_if = "String::is_empty")]
    pub var_name2: String,
}

impl Selector {
    /// # Panics
    /// Panics when `var_name` is empty.
    #[must_use]
    pub fn new(
        var_name: impl Into<String>,
        options: impl Into<Vec<String>>,
        opt_initial: Option<impl Into<String>>,
    ) -> Self {
        let var_name = var_name.into();
        assert!(!var_name.is_empty());
        Self {
            error: String::new(),
            id: String::new(),
            initial_string: opt_initial.map_or(String::new(), Into::into),
            initial_string1: String::new(),
            initial_string2: String::new(),
            label: String::new(),
            options: options.into(),
            options1: vec![],
            options2: vec![],
            poll_delay_ms: None,
            validated: false,
            var_name,
            var_name1: String::new(),
            var_name2: String::new(),
        }
    }

    #[must_use]
    pub fn with_id(mut self, id: impl AsRef<str>) -> Self {
        self.id = id.as_ref().to_string();
        self
    }

    #[must_use]
    pub fn with_opt_error(mut self, x: Option<impl Into<String>>) -> Self {
        self.error = x.map_or(String::new(), Into::into);
        self
    }

    #[must_use]
    pub fn with_options1(
        mut self,
        var_name1: impl Into<String>,
        options1: impl Into<Vec<String>>,
        opt_initial1: Option<impl Into<String>>,
    ) -> Self {
        self.initial_string1 = opt_initial1.map_or(String::new(), Into::into);
        self.options1 = options1.into();
        self.var_name1 = var_name1.into();
        self
    }

    #[must_use]
    pub fn with_options2(
        mut self,
        var_name2: impl Into<String>,
        options2: impl Into<Vec<String>>,
        opt_initial2: Option<impl Into<String>>,
    ) -> Self {
        self.initial_string2 = opt_initial2.map_or(String::new(), Into::into);
        self.options2 = options2.into();
        self.var_name2 = var_name2.into();
        self
    }

    #[must_use]
    pub fn with_label(mut self, label: impl Into<String>) -> Self {
        self.label = label.into();
        self
    }

    /// Poll the page after the field is updated and `duration` has passed.
    #[must_use]
    pub fn with_poll_delay(mut self, duration: Duration) -> Self {
        self.poll_delay_ms = Some(duration.as_millis().try_into().unwrap_or(u32::MAX));
        self
    }

    #[must_use]
    pub fn with_validated(mut self) -> Self {
        self.validated = true;
        self
    }
}

/// # Panics
/// Panics when `var_name` is empty.
#[must_use]
pub fn selector(
    var_name: impl Into<String>,
    options: impl Into<Vec<String>>,
    opt_initial: Option<impl Into<String>>,
) -> Selector {
    Selector::new(var_name, options, opt_initial)
}