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// a:glow
use super::super::super::Int64Value;
use super::SchemeColor;
use quick_xml::events::{BytesStart, Event};
use quick_xml::Reader;
use quick_xml::Writer;
use reader::driver::*;
use std::io::Cursor;
use writer::driver::*;

#[derive(Clone, Default, Debug)]
pub struct Glow {
    radius: Int64Value,
    scheme_color: Option<SchemeColor>,
}

impl Glow {
    pub fn get_radius(&self) -> &i64 {
        self.radius.get_value()
    }

    pub fn set_radius(&mut self, value: i64) -> &mut Glow {
        self.radius.set_value(value);
        self
    }

    pub fn get_scheme_color(&self) -> &Option<SchemeColor> {
        &self.scheme_color
    }

    pub fn set_scheme_color(&mut self, value: SchemeColor) {
        self.scheme_color = Some(value);
    }

    pub(crate) fn set_attributes<R: std::io::BufRead>(
        &mut self,
        reader: &mut Reader<R>,
        e: &BytesStart,
    ) {
        self.radius
            .set_value_string(get_attribute(e, b"rad").unwrap());

        xml_read_loop!(
            reader,
            Event::Start(ref e) => {
                if e.name().into_inner() == b"a:schemeClr" {
                    let mut obj = SchemeColor::default();
                    obj.set_attributes(reader, e, false);
                    self.set_scheme_color(obj);
                }
            },
            Event::End(ref e) => {
                if e.name().into_inner() == b"a:glow" {
                    return;
                }
            },
            Event::Eof => panic!("Error not find {} end element", "a:glow")
        );
    }

    pub(crate) fn write_to(&self, writer: &mut Writer<Cursor<Vec<u8>>>) {
        // a:glow
        write_start_tag(
            writer,
            "a:glow",
            vec![("rad", &self.radius.get_value_string())],
            false,
        );

        // a:schemeClr
        if let Some(v) = &self.scheme_color {
            v.write_to(writer);
        }

        write_end_tag(writer, "a:glow");
    }
}