umya_spreadsheet/structs/drawing/charts/
layout.rs1use std::io::Cursor;
3
4use quick_xml::{
5 Reader,
6 Writer,
7 events::{
8 BytesStart,
9 Event,
10 },
11};
12
13use super::ManualLayout;
14use crate::{
15 writer::driver::{
16 write_end_tag,
17 write_start_tag,
18 },
19 xml_read_loop,
20};
21
22#[derive(Clone, Default, Debug)]
23pub struct Layout {
24 manual_layout: Option<ManualLayout>,
25}
26
27impl Layout {
28 #[must_use]
29 pub fn manual_layout(&self) -> Option<&ManualLayout> {
30 self.manual_layout.as_ref()
31 }
32
33 #[must_use]
34 #[deprecated(since = "3.0.0", note = "Use manual_layout()")]
35 pub fn get_manual_layout(&self) -> Option<&ManualLayout> {
36 self.manual_layout()
37 }
38
39 pub fn manual_layout_mut(&mut self) -> Option<&mut ManualLayout> {
40 self.manual_layout.as_mut()
41 }
42
43 #[deprecated(since = "3.0.0", note = "Use manual_layout_mut()")]
44 pub fn get_manual_layout_mut(&mut self) -> Option<&mut ManualLayout> {
45 self.manual_layout_mut()
46 }
47
48 pub fn set_manual_layout(&mut self, value: ManualLayout) -> &mut Layout {
49 self.manual_layout = Some(value);
50 self
51 }
52
53 #[must_use]
54 pub fn is_empty(&self) -> bool {
55 self.manual_layout.is_none()
56 }
57
58 pub(crate) fn set_attributes<R: std::io::BufRead>(
59 &mut self,
60 reader: &mut Reader<R>,
61 _e: &BytesStart,
62 empty_flag: bool,
63 ) {
64 if empty_flag {
65 return;
66 }
67
68 xml_read_loop!(
69 reader,
70 Event::Start(ref e) => {
71 if e.name().into_inner() == b"c:manualLayout" {
72 let mut obj = ManualLayout::default();
73 obj.set_attributes(reader, e);
74 self.set_manual_layout(obj);
75 }
76 },
77 Event::End(ref e) => {
78 if e.name().into_inner() == b"c:layout" {
79 return;
80 }
81 },
82 Event::Eof => panic!("Error: Could not find {} end element", "c:layout"),
83 );
84 }
85
86 pub(crate) fn write_to(&self, writer: &mut Writer<Cursor<Vec<u8>>>) {
87 if self.is_empty() {
88 write_start_tag(writer, "c:layout", vec![], true);
90 } else {
91 write_start_tag(writer, "c:layout", vec![], false);
93
94 if let Some(v) = &self.manual_layout {
96 v.write_to(writer);
97 }
98
99 write_end_tag(writer, "c:layout");
100 }
101 }
102}