Component Icon

Cargo.lock

@@ -32,6 +32,8 @@ dependencies = [
 name = "blueprint-rs"
 version = "0.1.0"
 dependencies = [
+ "heck",
+ "regex",
  "wasm-bindgen",
  "web-sys",
  "yew",
@@ -247,6 +249,15 @@ dependencies = [
  "autocfg",
 ]
 
+[[package]]
+name = "heck"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "20564e78d53d2bb135c343b3f47714a56af2061f1c928fdb541dc7b9fdd94205"
+dependencies = [
+ "unicode-segmentation",
+]
+
 [[package]]
 name = "http"
 version = "0.2.1"
@@ -366,6 +377,21 @@ dependencies = [
  "proc-macro2",
 ]
 
+[[package]]
+name = "regex"
+version = "1.3.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9c3780fcf44b193bc4d09f36d2a3c87b251da4a046c87795a0d35f4f927ad8e6"
+dependencies = [
+ "regex-syntax",
+]
+
+[[package]]
+name = "regex-syntax"
+version = "0.6.18"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "26412eb97c6b088a6997e05f69403a802a92d520de2f8e63c2b65f9e0f47c4e8"
+
 [[package]]
 name = "ryu"
 version = "1.0.5"
@@ -440,6 +466,12 @@ dependencies = [
  "syn",
 ]
 
+[[package]]
+name = "unicode-segmentation"
+version = "1.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e83e153d1053cbb5a118eeff7fd5be06ed99153f00dbcd8ae310c5fb2b22edc0"
+
 [[package]]
 name = "unicode-xid"
 version = "0.2.1"

Cargo.toml

@@ -13,3 +13,7 @@ crate-type = ["cdylib"]
 wasm-bindgen = "^0.2"
 yew = "0.17"
 web-sys = "0.3"
+
+[build-dependencies]
+regex = { version = "1", default-features = false, features = ["std"] }
+heck = "0.3"

build.rs

@@ -0,0 +1,58 @@
+use heck::CamelCase;
+use regex::Regex;
+use std::collections::HashSet;
+use std::env;
+use std::fs;
+use std::path::Path;
+use std::process::Command;
+
+const ICON_URL: &str = "https://registry.npmjs.org/@blueprintjs/icons/-/icons-3.19.0.tgz";
+const ICON_PATH: &str = "package/lib/esnext/generated/iconSvgPaths.js";
+
+fn main() -> Result<(), Box<dyn std::error::Error>> {
+    let icon_svg_paths = Command::new("sh")
+        .arg("-c")
+        .arg(format!(
+            "curl -sSLo - {} | tar xOzf - {}",
+            ICON_URL, ICON_PATH
+        ))
+        .output()
+        .map(|x| String::from_utf8(x.stdout).expect("source file is not UTF-8"))?;
+    let out_dir = env::var_os("OUT_DIR").unwrap();
+    let dest_path = Path::new(&out_dir).join("icon_svg_paths.rs");
+
+    let mut src = String::new();
+    let re_map = Regex::new(r"export const IconSvgPaths([0-9]+) = \{([^}]+)\};").unwrap();
+    let re_item = Regex::new(r#"(?m)(?s)"([^"]+)": (\[.*?\]),$"#).unwrap();
+    let mut keys = HashSet::new();
+
+    for map in re_map.captures_iter(icon_svg_paths.as_str()) {
+        src.push_str("fn icon_svg_paths_");
+        src.push_str(&map[1]);
+        src.push_str("(icon: IconName) -> &'static [&'static str] { match icon {\n");
+        for item in re_item.captures_iter(&map[2]) {
+            let key = item[1].to_camel_case();
+            src.push_str("IconName::");
+            src.push_str(&key);
+            src.push_str(" => &");
+            src.push_str(&item[2]);
+            src.push_str(",\n");
+            keys.insert(key);
+        }
+        src.push_str(" }}\n\n");
+    }
+
+    let mut keys: Vec<_> = keys.iter().collect();
+    keys.sort();
+    src.push_str("#[derive(Debug, Copy, Clone, PartialEq)]\npub enum IconName {\n");
+    for icon in keys {
+        src.push_str(icon);
+        src.push_str(",\n");
+    }
+    src.push_str("}\n\n");
+
+    fs::write(&dest_path, src).unwrap();
+    println!("cargo:rerun-if-changed=build.rs");
+
+    Ok(())
+}

build.sh

@@ -10,6 +10,7 @@ if ! [ -f core.tgz ]; then
 	curl -o core.tgz https://registry.npmjs.org/@blueprintjs/core/-/core-3.30.0.tgz
 fi
 
+mkdir -p static
 rm -fR static/.gitignore static/*
 tar xvzf core.tgz -C static --wildcards \*.css --transform='s/.*\///'
 wasm-pack build --no-typescript --target web --out-name wasm --out-dir ./static "${options[@]}" "$@"

src/app.rs

@@ -1,6 +1,7 @@
-use crate::buttons::*;
-use crate::collapse::*;
-use crate::forms::controls::*;
+use crate::buttons::Button;
+use crate::collapse::Collapse;
+use crate::forms::controls::Switch;
+use crate::tree::Tree;
 use yew::prelude::*;
 
 const DARK_BG_COLOR: &str = "#30404d";
@@ -78,6 +79,7 @@ impl Component for App {
                     </Button>
                     <Collapse
                         is_open=!self.collapsed
+                        keep_children_mounted=true
                     >
                         <pre class="bp3-code-block">
                             <div>{"[INFO]: Installing wasm-bindgen..."}</div>
@@ -98,6 +100,9 @@ impl Component for App {
                         </pre>
                     </Collapse>
                 </div>
+                <div>
+                    <Tree />
+                </div>
             </div>
         }
     }

src/icon.rs

@@ -0,0 +1,90 @@
+use yew::prelude::*;
+
+include!(concat!(env!("OUT_DIR"), "/icon_svg_paths.rs"));
+
+pub const SIZE_STANDARD: i32 = 16;
+pub const SIZE_LARGE: i32 = 20;
+
+pub struct Icon {
+    props: Props,
+}
+
+#[derive(Clone, PartialEq, Properties)]
+pub struct Props {
+    pub icon: IconName,
+    #[prop_or_default]
+    pub class: String,
+    #[prop_or_default]
+    pub title: Option<String>,
+    #[prop_or_default]
+    pub color: Option<String>,
+    #[prop_or(16)]
+    pub icon_size: i32,
+    #[prop_or_default]
+    pub onclick: Callback<MouseEvent>,
+}
+
+impl Component for Icon {
+    type Message = ();
+    type Properties = Props;
+
+    fn create(props: Self::Properties, _link: ComponentLink<Self>) -> Self {
+        Icon { props }
+    }
+
+    fn update(&mut self, _msg: Self::Message) -> ShouldRender {
+        true
+    }
+
+    fn change(&mut self, props: Self::Properties) -> ShouldRender {
+        if self.props != props {
+            self.props = props;
+            true
+        } else {
+            false
+        }
+    }
+
+    fn view(&self) -> Html {
+        let mut class = "bp3-icon ".to_string();
+        class.push_str(self.props.class.as_str());
+
+        let paths = if self.props.icon_size == SIZE_STANDARD {
+            icon_svg_paths_16(self.props.icon)
+        } else {
+            icon_svg_paths_20(self.props.icon)
+        };
+        let pixel_grid_size = if self.props.icon_size >= SIZE_LARGE {
+            SIZE_LARGE
+        } else {
+            SIZE_STANDARD
+        };
+
+        html! {
+            <span class="bp3-icon" onclick={self.props.onclick.clone()}>
+                <svg
+                    fill={self.props.color.clone().unwrap_or_default()}
+                    data-icon={format!("{:?}", self.props.icon)}
+                    width={self.props.icon_size}
+                    height={self.props.icon_size}
+                    viewBox={format!("0 0 {x} {x}", x=pixel_grid_size)}
+                >
+                    {
+                        if let Some(title) = self.props.title.clone() {
+                            html!(<desc>{title}</desc>)
+                        } else {
+                            Default::default()
+                        }
+                    }
+                    {
+                        paths.iter()
+                            .map(|x| html! {
+                                <path d=x fillRule="evenodd" />
+                            })
+                            .collect::<Vec<_>>()
+                    }
+                </svg>
+            </span>
+        }
+    }
+}

src/lib.rs

@@ -1,10 +1,11 @@
 #![recursion_limit = "512"]
 
 mod app;
-mod buttons;
-mod collapse;
-mod forms;
-mod tree;
+pub mod buttons;
+pub mod collapse;
+pub mod forms;
+pub mod icon;
+pub mod tree;
 
 use wasm_bindgen::prelude::*;
 

src/tree.rs

@@ -1,3 +1,5 @@
+use crate::collapse::Collapse;
+use crate::icon::{Icon, IconName};
 use yew::prelude::*;
 
 pub struct Tree {
@@ -5,7 +7,10 @@ pub struct Tree {
 }
 
 #[derive(Clone, PartialEq, Properties)]
-pub struct Props {}
+pub struct Props {
+    #[prop_or_default]
+    is_expanded: bool,
+}
 
 impl Component for Tree {
     type Message = ();
@@ -32,7 +37,9 @@ impl Component for Tree {
         html! {
             <div class="bp3-tree">
                 <ul class="bp3-tree-node-list">
-                    <TreeNode/>
+                    <TreeNode is_expanded=self.props.is_expanded has_caret=true>
+                        {"Example Stuff"}
+                    </TreeNode>
                 </ul>
             </div>
         }
@@ -44,7 +51,14 @@ pub struct TreeNode {
 }
 
 #[derive(Clone, PartialEq, Properties)]
-pub struct TreeNodeProps {}
+pub struct TreeNodeProps {
+    #[prop_or_default]
+    pub is_expanded: bool,
+    #[prop_or_default]
+    pub has_caret: bool,
+    #[prop_or_default]
+    pub children: html::Children,
+}
 
 impl Component for TreeNode {
     type Message = ();
@@ -71,9 +85,22 @@ impl Component for TreeNode {
         html! {
             <li class="bp3-tree-node">
                 <div class="bp3-tree-node-content">
+                    {
+                        if self.props.has_caret {
+                            html! {
+                                <Icon class="bp3-tree-node-caret" icon=IconName::ChevronRight />
+                            }
+                        } else {
+                            html! {
+                                <span class="bp3-tree-node-caret-none" />
+                            }
+                        }
+                    }
                     {"content"}
                 </div>
-                // missing <Collapse/>
+                <Collapse is_open=self.props.is_expanded>
+                    {self.props.children.clone()}
+                </Collapse>
             </li>
         }
     }