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use cssparser::*;
use super::border::{BorderStyle, GenericBorder, BorderSideWidth};
use crate::traits::{Parse, ToCss, PropertyHandler};
use crate::values::color::CssColor;
use super::Property;
use crate::declaration::DeclarationList;
use crate::printer::Printer;
#[derive(Debug, Clone, PartialEq)]
pub enum OutlineStyle {
Auto,
BorderStyle(BorderStyle)
}
impl Parse for OutlineStyle {
fn parse<'i, 't>(input: &mut Parser<'i, 't>) -> Result<Self, ParseError<'i, ()>> {
if let Ok(border_style) = input.try_parse(BorderStyle::parse) {
return Ok(OutlineStyle::BorderStyle(border_style))
}
input.expect_ident_matching("auto")?;
Ok(OutlineStyle::Auto)
}
}
impl ToCss for OutlineStyle {
fn to_css<W>(&self, dest: &mut Printer<W>) -> std::fmt::Result where W: std::fmt::Write {
match self {
OutlineStyle::Auto => dest.write_str("auto"),
OutlineStyle::BorderStyle(border_style) => border_style.to_css(dest)
}
}
}
impl Default for OutlineStyle {
fn default() -> OutlineStyle {
OutlineStyle::BorderStyle(BorderStyle::None)
}
}
pub type Outline = GenericBorder<OutlineStyle>;
#[derive(Default, Debug)]
pub(crate) struct OutlineHandler {
pub width: Option<BorderSideWidth>,
pub style: Option<OutlineStyle>,
pub color: Option<CssColor>
}
impl PropertyHandler for OutlineHandler {
fn handle_property(&mut self, property: &Property, _: &mut DeclarationList) -> bool {
use Property::*;
match property {
OutlineColor(val) => self.color = Some(val.clone()),
OutlineStyle(val) => self.style = Some(val.clone()),
OutlineWidth(val) => self.width = Some(val.clone()),
Outline(val) => {
self.color = Some(val.color.clone());
self.style = Some(val.style.clone());
self.width = Some(val.width.clone());
}
_ => return false
}
true
}
fn finalize(&mut self, decls: &mut DeclarationList) {
let width = std::mem::take(&mut self.width);
let style = std::mem::take(&mut self.style);
let color = std::mem::take(&mut self.color);
if width.is_some() && style.is_some() && color.is_some() {
decls.push(Property::Outline(Outline {
width: width.unwrap(),
style: style.unwrap(),
color: color.unwrap()
}))
} else {
if let Some(color) = color {
decls.push(Property::OutlineColor(color))
}
if let Some(style) = style {
decls.push(Property::OutlineStyle(style))
}
if let Some(width) = width {
decls.push(Property::OutlineWidth(width))
}
}
}
}