mrml/mj_navbar_link/
render.rs

1use super::{MjNavbarLink, NAME};
2use crate::helper::size::Pixel;
3use crate::prelude::hash::Map;
4use crate::prelude::render::*;
5
6struct MjNavbarLinkExtra<'a> {
7    attributes: Map<&'a str, &'a str>,
8}
9
10impl Default for MjNavbarLinkExtra<'_> {
11    fn default() -> Self {
12        Self {
13            attributes: Map::new(),
14        }
15    }
16}
17
18impl<'root> Renderer<'root, MjNavbarLink, MjNavbarLinkExtra<'root>> {
19    fn set_style_a<'a, 't>(&'a self, tag: Tag<'t>) -> Tag<'t>
20    where
21        'root: 'a,
22        'a: 't,
23    {
24        tag.add_style("display", "inline-block")
25            .maybe_add_style("color", self.attribute("color"))
26            .maybe_add_style("font-family", self.attribute("font-family"))
27            .maybe_add_style("font-size", self.attribute("font-size"))
28            .maybe_add_style("font-style", self.attribute("font-style"))
29            .maybe_add_style("font-weight", self.attribute("font-weight"))
30            .maybe_add_style("letter-spacing", self.attribute("letter-spacing"))
31            .maybe_add_style("line-height", self.attribute("line-height"))
32            .maybe_add_style("text-decoration", self.attribute("text-decoration"))
33            .maybe_add_style("text-transform", self.attribute("text-transform"))
34            .maybe_add_style("padding", self.attribute("padding"))
35            .maybe_add_style("padding-top", self.attribute("padding-top"))
36            .maybe_add_style("padding-right", self.attribute("padding-right"))
37            .maybe_add_style("padding-bottom", self.attribute("padding-bottom"))
38            .maybe_add_style("padding-left", self.attribute("padding-left"))
39    }
40
41    fn set_style_td<'a, 't>(&'a self, tag: Tag<'t>) -> Tag<'t>
42    where
43        'root: 'a,
44        'a: 't,
45    {
46        tag.maybe_add_style("padding", self.attribute("padding"))
47            .maybe_add_style("padding-top", self.attribute("padding-top"))
48            .maybe_add_style("padding-right", self.attribute("padding-right"))
49            .maybe_add_style("padding-bottom", self.attribute("padding-bottom"))
50            .maybe_add_style("padding-left", self.attribute("padding-left"))
51    }
52
53    fn get_link(&self) -> Option<String> {
54        self.attribute("href").as_ref().and_then(|href| {
55            self.attribute("navbar-base-url")
56                .map(move |base| format!("{base}{href}"))
57                .or_else(|| Some(href.to_string()))
58        })
59    }
60
61    fn render_content(&self, cursor: &mut RenderCursor) -> Result<(), Error> {
62        let link = self
63            .set_style_a(Tag::new("a"))
64            .add_class("mj-link")
65            .maybe_add_class(self.attribute("css-class"))
66            .maybe_add_attribute("href", self.get_link())
67            .maybe_add_attribute("rel", self.attribute("rel"))
68            .maybe_add_attribute("target", self.attribute("target"))
69            .maybe_add_attribute("name", self.attribute("name"));
70
71        link.render_open(&mut cursor.buffer)?;
72        for child in self.element.children.iter() {
73            let renderer = child.renderer(self.context());
74            renderer.render(cursor)?;
75        }
76        link.render_close(&mut cursor.buffer);
77
78        Ok(())
79    }
80}
81
82impl<'root> Render<'root> for Renderer<'root, MjNavbarLink, MjNavbarLinkExtra<'root>> {
83    fn default_attribute(&self, key: &str) -> Option<&'static str> {
84        match key {
85            "color" => Some("#000000"),
86            "font-family" => Some("Ubuntu, Helvetica, Arial, sans-serif"),
87            "font-size" => Some("13px"),
88            "font-weight" => Some("normal"),
89            "line-height" => Some("22px"),
90            "padding" => Some("15px 10px"),
91            "target" => Some("_blank"),
92            "text-decoration" => Some("none"),
93            "text-transform" => Some("uppercase"),
94            _ => None,
95        }
96    }
97
98    fn add_extra_attribute(&mut self, key: &'root str, value: &'root str) {
99        self.extra.attributes.insert(key, value);
100    }
101
102    fn raw_extra_attribute(&self, key: &str) -> Option<&'root str> {
103        self.extra.attributes.get(key).copied()
104    }
105
106    fn raw_attribute(&self, key: &str) -> Option<&'root str> {
107        match self.element.attributes.get(key) {
108            Some(Some(inner)) => Some(inner),
109            _ => None,
110        }
111    }
112
113    fn tag(&self) -> Option<&str> {
114        Some(NAME)
115    }
116
117    fn set_container_width(&mut self, width: Option<Pixel>) {
118        self.container_width = width;
119    }
120
121    fn context(&self) -> &'root RenderContext<'root> {
122        self.context
123    }
124
125    fn render(&self, cursor: &mut RenderCursor) -> Result<(), Error> {
126        let font_families = self.attribute("font-family");
127        cursor.header.maybe_add_font_families(font_families);
128
129        let td = self
130            .set_style_td(Tag::td())
131            .maybe_add_suffixed_class(self.attribute("css-class"), "outlook");
132
133        cursor.buffer.start_conditional_tag();
134        td.render_open(&mut cursor.buffer)?;
135        cursor.buffer.end_conditional_tag();
136        self.render_content(cursor)?;
137        cursor.buffer.start_conditional_tag();
138        td.render_close(&mut cursor.buffer);
139        cursor.buffer.end_conditional_tag();
140
141        Ok(())
142    }
143}
144
145impl<'render, 'root: 'render> Renderable<'render, 'root> for MjNavbarLink {
146    fn renderer(
147        &'root self,
148        context: &'root RenderContext<'root>,
149    ) -> Box<dyn Render<'root> + 'render> {
150        Box::new(Renderer::new(context, self, MjNavbarLinkExtra::default()))
151    }
152}
mrml/mj_navbar_link/render.rs

mrml/mj_navbar_link/
render.rs
