packages/mrml-core/src/mj_column/render.rs
use super::{MjColumn, NAME};
use crate::helper::size::{Pixel, Size};
use crate::prelude::hash::Map;
use crate::prelude::render::*;
struct MjColumnExtra<'a> {
attributes: Map<&'a str, &'a str>,
}
impl<'root> Renderer<'root, MjColumn, MjColumnExtra<'root>> {
fn current_width(&self) -> Option<Pixel> {
let parent_width = self.container_width.as_ref()?;
let non_raw_siblings = self.non_raw_siblings();
let borders = self.get_border_horizontal();
let paddings = self.get_padding_horizontal();
let inner_border_left = self
.get_inner_border_left()
.map(|size| size.value())
.unwrap_or(0.0);
let inner_border_right = self
.get_inner_border_right()
.map(|size| size.value())
.unwrap_or(0.0);
let inner_borders = inner_border_left + inner_border_right;
let all_paddings = paddings.value() + borders.value() + inner_borders;
let container_width = self
.attribute_as_size("width")
.unwrap_or_else(|| Size::pixel(parent_width.value() / (non_raw_siblings as f32)));
if let Size::Percent(pc) = container_width {
Some(Pixel::new(
(parent_width.value() * pc.value() / 100.0) - all_paddings,
))
} else {
Some(Pixel::new(container_width.value() - all_paddings))
}
}
fn non_raw_siblings(&self) -> usize {
self.siblings - self.raw_siblings
}
fn get_parsed_width(&self) -> Size {
self.attribute_as_size("width")
.unwrap_or_else(|| Size::percent(100.0 / (self.non_raw_siblings() as f32)))
}
fn get_column_class(&self) -> (String, Size) {
let parsed_width = self.get_parsed_width();
let classname = if parsed_width.is_percent() {
format!("mj-column-per-{}", parsed_width.value())
} else {
format!("mj-column-px-{}", parsed_width.value())
};
(classname.replace('.', "-"), parsed_width)
}
fn get_mobile_width(&self) -> Option<Size> {
if !self.attribute_exists("mobile-width") {
return Some(Size::percent(100.0));
}
if let Some(width) = self.attribute_as_size("width") {
if width.is_percent() {
Some(width)
} else if width.is_pixel() {
self.container_width
.as_ref()
.map(|w| Size::percent(width.value() / w.value()))
} else {
None
}
} else {
Some(Size::percent(100.0 / (self.non_raw_siblings() as f32)))
}
}
fn has_gutter(&self) -> bool {
self.attribute_exists("padding")
|| self.attribute_exists("padding-bottom")
|| self.attribute_exists("padding-left")
|| self.attribute_exists("padding-right")
|| self.attribute_exists("padding-top")
}
fn get_width_as_pixel(&self) -> String {
if let Some(ref container_width) = self.container_width {
let parsed_width = self.get_parsed_width();
match parsed_width {
Size::Percent(value) => {
Pixel::new(container_width.value() * value.value() / 100.0).to_string()
}
_ => parsed_width.to_string(),
}
} else {
String::from("100%")
}
}
fn set_style_td_outlook<'a, 't>(&'a self, tag: Tag<'t>) -> Tag<'t>
where
'root: 'a,
'a: 't,
{
tag.maybe_add_style("vertical-align", self.attribute("vertical-align"))
.add_style("width", self.get_width_as_pixel())
}
fn set_style_root_div<'a, 't>(&'a self, tag: Tag<'t>) -> Tag<'t>
where
'root: 'a,
'a: 't,
{
tag.add_style("font-size", "0px")
.add_style("text-align", "left")
.maybe_add_style("direction", self.attribute("direction"))
.add_style("display", "inline-block")
.maybe_add_style("vertical-align", self.attribute("vertical-align"))
.maybe_add_style("width", self.get_mobile_width().map(|v| v.to_string()))
}
fn set_style_table_gutter<'a, 't>(&'a self, tag: Tag<'t>) -> Tag<'t>
where
'root: 'a,
'a: 't,
{
tag.maybe_add_style("background-color", self.attribute("inner-background-color"))
.maybe_add_style("border", self.attribute("inner-border"))
.maybe_add_style("border-bottom", self.attribute("inner-border-bottom"))
.maybe_add_style("border-left", self.attribute("inner-border-left"))
.maybe_add_style("border-radius", self.attribute("inner-border-radius"))
.maybe_add_style("border-right", self.attribute("inner-border-right"))
.maybe_add_style("border-top", self.attribute("inner-border-top"))
}
fn set_style_table_simple<'a, 't>(&'a self, tag: Tag<'t>) -> Tag<'t>
where
'root: 'a,
'a: 't,
{
tag.maybe_add_style("background-color", self.attribute("background-color"))
.maybe_add_style("border", self.attribute("border"))
.maybe_add_style("border-bottom", self.attribute("border-bottom"))
.maybe_add_style("border-left", self.attribute("border-left"))
.maybe_add_style("border-radius", self.attribute("border-radius"))
.maybe_add_style("border-right", self.attribute("border-right"))
.maybe_add_style("border-top", self.attribute("border-top"))
.maybe_add_style("vertical-align", self.attribute("vertical-align"))
}
fn set_style_gutter_td<'a, 't>(&'a self, tag: Tag<'t>) -> Tag<'t>
where
'root: 'a,
'a: 't,
{
self.set_style_table_simple(tag)
.maybe_add_style("padding", self.attribute("padding"))
.maybe_add_style("padding-top", self.attribute("padding-top"))
.maybe_add_style("padding-right", self.attribute("padding-right"))
.maybe_add_style("padding-bottom", self.attribute("padding-bottom"))
.maybe_add_style("padding-left", self.attribute("padding-left"))
}
fn render_gutter(&self, cursor: &mut RenderCursor) -> Result<(), Error> {
let table = Tag::table_presentation().add_attribute("width", "100%");
let tbody = Tag::tbody();
let tr = Tag::tr();
let td = self.set_style_gutter_td(Tag::td());
table.render_open(&mut cursor.buffer)?;
tbody.render_open(&mut cursor.buffer)?;
tr.render_open(&mut cursor.buffer)?;
td.render_open(&mut cursor.buffer)?;
self.render_column(cursor, true)?;
td.render_close(&mut cursor.buffer);
tr.render_close(&mut cursor.buffer);
tbody.render_close(&mut cursor.buffer);
table.render_close(&mut cursor.buffer);
Ok(())
}
fn set_style_table<'a, 't>(&'a self, tag: Tag<'t>, gutter: bool) -> Tag<'t>
where
'root: 'a,
'a: 't,
{
if gutter {
self.set_style_table_gutter(tag)
} else {
self.set_style_table_simple(tag)
}
}
fn render_column(&self, cursor: &mut RenderCursor, gutter: bool) -> Result<(), Error> {
let table = self
.set_style_table(Tag::table_presentation(), gutter)
.add_attribute("width", "100%");
let tbody = Tag::tbody();
let siblings = self.element.children.len();
let raw_siblings = self.element.children.iter().filter(|i| i.is_raw()).count();
let current_width = self.current_width();
table.render_open(&mut cursor.buffer)?;
tbody.render_open(&mut cursor.buffer)?;
for (index, child) in self.element.children.iter().enumerate() {
let mut renderer = child.renderer(self.context());
renderer.set_index(index);
renderer.set_raw_siblings(raw_siblings);
renderer.set_siblings(siblings);
renderer.set_container_width(current_width);
if child.is_raw() {
renderer.render(cursor)?;
} else {
let tr = Tag::tr();
let td = Tag::td()
.maybe_add_style(
"background",
renderer.attribute("container-background-color"),
)
.add_style("font-size", "0px")
.maybe_add_style("padding", renderer.attribute("padding"))
.maybe_add_style("padding-top", renderer.attribute("padding-top"))
.maybe_add_style("padding-right", renderer.attribute("padding-right"))
.maybe_add_style("padding-bottom", renderer.attribute("padding-bottom"))
.maybe_add_style("padding-left", renderer.attribute("padding-left"))
.add_style("word-break", "break-word")
.maybe_add_attribute("align", renderer.attribute("align"))
.maybe_add_attribute("vertical-align", renderer.attribute("vertical-align"))
.maybe_add_class(renderer.attribute("css-class"));
tr.render_open(&mut cursor.buffer)?;
td.render_open(&mut cursor.buffer)?;
renderer.render(cursor)?;
td.render_close(&mut cursor.buffer);
tr.render_close(&mut cursor.buffer);
}
}
tbody.render_close(&mut cursor.buffer);
table.render_close(&mut cursor.buffer);
Ok(())
}
}
impl<'root> Render<'root> for Renderer<'root, MjColumn, MjColumnExtra<'root>> {
fn default_attribute(&self, name: &str) -> Option<&'static str> {
match name {
"direction" => Some("ltr"),
"vertical-align" => Some("top"),
_ => None,
}
}
fn get_width(&self) -> Option<Size> {
self.current_width().map(Size::Pixel)
}
fn raw_attribute(&self, key: &str) -> Option<&'root str> {
self.element.attributes.get(key).map(|v| v.as_str())
}
fn raw_extra_attribute(&self, key: &str) -> Option<&'root str> {
self.extra.attributes.get(key).copied()
}
fn add_extra_attribute(&mut self, key: &'root str, value: &'root str) {
self.extra.attributes.insert(key, value);
}
fn tag(&self) -> Option<&str> {
Some(NAME)
}
fn context(&self) -> &'root RenderContext<'root> {
self.context
}
fn set_container_width(&mut self, width: Option<Pixel>) {
self.container_width = width;
}
fn set_siblings(&mut self, value: usize) {
self.siblings = value;
}
fn set_raw_siblings(&mut self, value: usize) {
self.raw_siblings = value;
}
fn set_style<'a, 't>(&'a self, name: &str, tag: Tag<'t>) -> Tag<'t>
where
'root: 'a,
'a: 't,
{
match name {
"td-outlook" => self.set_style_td_outlook(tag),
_ => tag,
}
}
fn render(&self, cursor: &mut RenderCursor) -> Result<(), Error> {
let (classname, size) = self.get_column_class();
cursor.header.add_media_query(classname.clone(), size);
let div = self
.set_style_root_div(Tag::div())
.add_class("mj-outlook-group-fix")
.add_class(classname)
.maybe_add_class(self.attribute("css-class"));
div.render_open(&mut cursor.buffer)?;
if self.has_gutter() {
self.render_gutter(cursor)?;
} else {
self.render_column(cursor, false)?;
}
div.render_close(&mut cursor.buffer);
Ok(())
}
}
impl<'render, 'root: 'render> Renderable<'render, 'root> for MjColumn {
fn renderer(
&'root self,
context: &'root RenderContext<'root>,
) -> Box<dyn Render<'root> + 'render> {
Box::new(Renderer::new(
context,
self,
MjColumnExtra {
attributes: Map::new(),
},
))
}
}
#[cfg(test)]
mod tests {
crate::should_render!(basic, "mj-column");
crate::should_render!(background_color, "mj-column-background-color");
crate::should_render!(border_radius, "mj-column-border-radius");
crate::should_render!(border, "mj-column-border");
crate::should_render!(class, "mj-column-class");
crate::should_render!(inner_background_color, "mj-column-inner-background-color");
crate::should_render!(padding, "mj-column-padding");
crate::should_render!(vertical_align, "mj-column-vertical-align");
crate::should_render!(width, "mj-column-width");
// issues
crate::should_render!(border_issue_466, "mj-column-border-issue-466");
}