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use super::{color, Color, ObjectStyle};
use crossterm_utils::{Result, TerminalOutput};
use std::fmt::{self, Display, Formatter};
use std::io::Write;
use std::result;
use std::sync::Arc;
use super::Attribute;
use crate::Colorize;
use crate::Styler;
pub struct StyledObject<D: Display> {
pub object_style: ObjectStyle,
pub content: D,
}
impl<'a, D: Display + 'a> StyledObject<D> {
pub fn with(mut self, foreground_color: Color) -> StyledObject<D> {
self.object_style = self.object_style.fg(foreground_color);
self
}
pub fn on(mut self, background_color: Color) -> StyledObject<D> {
self.object_style = self.object_style.bg(background_color);
self
}
pub fn attr(mut self, attr: Attribute) -> StyledObject<D> {
self.object_style.add_attr(attr);
self
}
pub fn into_displayable(self, stdout: &'a Arc<TerminalOutput>) -> DisplayableObject<'a, D> {
DisplayableObject::new(stdout, self)
}
pub fn paint(&self, stdout: &Arc<TerminalOutput>) -> Result<()> {
let colored_terminal = super::TerminalColor::from_output(stdout);
let mut reset = true;
if let Some(bg) = self.object_style.bg_color {
colored_terminal.set_bg(bg)?;
reset = true;
}
if let Some(fg) = self.object_style.fg_color {
colored_terminal.set_fg(fg)?;
reset = true;
}
for attr in self.object_style.attrs.iter() {
stdout.write_string(format!(csi!("{}m"), *attr as i16))?;
reset = true;
}
use std::fmt::Write;
let mut content = String::new();
write!(content, "{}", self.content)?;
stdout.write_string(content)?;
stdout.flush()?;
if reset {
colored_terminal.reset()?;
}
Ok(())
}
}
impl<D: Display> Display for StyledObject<D> {
fn fmt(&self, f: &mut Formatter) -> result::Result<(), fmt::Error> {
let colored_terminal = color();
let mut reset = true;
if let Some(bg) = self.object_style.bg_color {
colored_terminal.set_bg(bg).unwrap();
reset = true;
}
if let Some(fg) = self.object_style.fg_color {
colored_terminal.set_fg(fg).unwrap();
reset = true;
}
for attr in self.object_style.attrs.iter() {
write!(f, "{}", format!(csi!("{}m"), *attr as i16))?;
reset = true;
}
fmt::Display::fmt(&self.content, f)?;
std::io::stdout().flush().unwrap();
if reset {
colored_terminal.reset().unwrap();
std::io::stdout().flush().unwrap();
}
Ok(())
}
}
impl<D: Display> Colorize<D> for StyledObject<D> {
def_color!(fg_color: black => Color::Black);
def_color!(fg_color: red => Color::Red);
def_color!(fg_color: dark_red => Color::DarkRed);
def_color!(fg_color: green => Color::Green);
def_color!(fg_color: dark_green => Color::DarkGreen);
def_color!(fg_color: yellow => Color::Yellow);
def_color!(fg_color: dark_yellow => Color::DarkYellow);
def_color!(fg_color: blue => Color::Blue);
def_color!(fg_color: dark_blue => Color::DarkBlue);
def_color!(fg_color: magenta => Color::Magenta);
def_color!(fg_color: dark_magenta => Color::DarkMagenta);
def_color!(fg_color: cyan => Color::Cyan);
def_color!(fg_color: dark_cyan => Color::DarkCyan);
def_color!(fg_color: white => Color::White);
def_color!(fg_color: grey => Color::Grey);
def_color!(bg_color: on_black => Color::Black);
def_color!(bg_color: on_red => Color::Red);
def_color!(bg_color: on_dark_red => Color::DarkRed);
def_color!(bg_color: on_green => Color::Green);
def_color!(bg_color: on_dark_green => Color::DarkGreen);
def_color!(bg_color: on_yellow => Color::Yellow);
def_color!(bg_color: on_dark_yellow => Color::DarkYellow);
def_color!(bg_color: on_blue => Color::Blue);
def_color!(bg_color: on_dark_blue => Color::DarkBlue);
def_color!(bg_color: on_magenta => Color::Magenta);
def_color!(bg_color: on_dark_magenta => Color::DarkMagenta);
def_color!(bg_color: on_cyan => Color::Cyan);
def_color!(bg_color: on_dark_cyan => Color::DarkCyan);
def_color!(bg_color: on_white => Color::White);
def_color!(bg_color: on_grey => Color::Grey);
}
impl<D: Display> Styler<D> for StyledObject<D> {
def_attr!(reset => Attribute::Reset);
def_attr!(bold => Attribute::Bold);
def_attr!(underlined => Attribute::Underlined);
def_attr!(reverse => Attribute::Reverse);
def_attr!(dim => Attribute::Dim);
def_attr!(italic => Attribute::Italic);
def_attr!(negative => Attribute::Reverse);
def_attr!(slow_blink => Attribute::SlowBlink);
def_attr!(rapid_blink => Attribute::RapidBlink);
def_attr!(hidden => Attribute::Hidden);
def_attr!(crossed_out => Attribute::CrossedOut);
}
pub struct DisplayableObject<'a, D: Display + 'a> {
styled_object: StyledObject<D>,
output: &'a Arc<TerminalOutput>,
}
impl<'a, D: Display + 'a> DisplayableObject<'a, D> {
pub fn new(
screen: &'a Arc<TerminalOutput>,
styled_object: StyledObject<D>,
) -> DisplayableObject<'a, D> {
DisplayableObject {
output: screen,
styled_object,
}
}
}
impl<'a, D: Display + 'a> Display for DisplayableObject<'a, D> {
fn fmt(&self, _f: &mut Formatter) -> result::Result<(), fmt::Error> {
self.styled_object.paint(self.output).unwrap();
Ok(())
}
}