oxidize_pdf/dashboard/
treemap.rs

1//! TreeMap Visualization Component
2//!
3//! This module implements tree maps for hierarchical data visualization,
4//! showing nested rectangles proportional to data values.
5
6use super::{
7    component::ComponentConfig, ComponentPosition, ComponentSpan, DashboardComponent,
8    DashboardTheme,
9};
10use crate::error::PdfError;
11use crate::graphics::Color;
12use crate::page::Page;
13
14/// TreeMap visualization component
15#[derive(Debug, Clone)]
16pub struct TreeMap {
17    /// Component configuration
18    config: ComponentConfig,
19    /// Tree map data
20    data: Vec<TreeMapNode>,
21    /// Configuration options
22    options: TreeMapOptions,
23}
24
25impl TreeMap {
26    /// Create a new tree map
27    pub fn new(data: Vec<TreeMapNode>) -> Self {
28        Self {
29            config: ComponentConfig::new(ComponentSpan::new(6)), // Half width by default
30            data,
31            options: TreeMapOptions::default(),
32        }
33    }
34}
35
36impl DashboardComponent for TreeMap {
37    fn render(
38        &self,
39        _page: &mut Page,
40        _position: ComponentPosition,
41        _theme: &DashboardTheme,
42    ) -> Result<(), PdfError> {
43        // Implementation placeholder
44        let _title = self.options.title.as_deref().unwrap_or("TreeMap");
45
46        // Placeholder: page.add_text replaced
47
48        // Draw placeholder
49        // Placeholder: page graphics operation
50        // Placeholder: page graphics operation
51        // Placeholder: page.rectangle replaced
52        // Placeholder: page graphics operation
53        // Placeholder: page graphics operation
54
55        Ok(())
56    }
57
58    fn get_span(&self) -> ComponentSpan {
59        self.config.span
60    }
61    fn set_span(&mut self, span: ComponentSpan) {
62        self.config.span = span;
63    }
64    fn preferred_height(&self, _available_width: f64) -> f64 {
65        250.0
66    }
67    fn component_type(&self) -> &'static str {
68        "TreeMap"
69    }
70    fn complexity_score(&self) -> u8 {
71        70
72    }
73}
74
75/// TreeMap node data
76#[derive(Debug, Clone)]
77pub struct TreeMapNode {
78    pub name: String,
79    pub value: f64,
80    pub color: Option<Color>,
81    pub children: Vec<TreeMapNode>,
82}
83
84/// TreeMap options
85#[derive(Debug, Clone)]
86pub struct TreeMapOptions {
87    pub title: Option<String>,
88    pub show_labels: bool,
89    pub padding: f64,
90}
91
92impl Default for TreeMapOptions {
93    fn default() -> Self {
94        Self {
95            title: None,
96            show_labels: true,
97            padding: 2.0,
98        }
99    }
100}
101
102/// Builder for TreeMap
103pub struct TreeMapBuilder;
104
105impl TreeMapBuilder {
106    pub fn new() -> Self {
107        Self
108    }
109    pub fn build(self) -> TreeMap {
110        TreeMap::new(vec![])
111    }
112}
oxidize_pdf/dashboard/treemap.rs

oxidize_pdf/dashboard/
treemap.rs
