From 288ed7bf6c557723b658f9be5694e7a496e5d1f5 Mon Sep 17 00:00:00 2001
From: bnewbold <bnewbold@robocracy.org>
Date: Sat, 28 Jan 2017 19:47:16 -0800
Subject: variable table (in HTML)

---
 src/bin/mt-webface.rs             |  3 ++-
 src/repr_latex.rs                 | 40 +++++++++++++++++++++++++++++++++++++++
 webface/templates/model_view.html |  8 ++++++++
 3 files changed, 50 insertions(+), 1 deletion(-)

diff --git a/src/bin/mt-webface.rs b/src/bin/mt-webface.rs
index 59b0621..4d26d21 100644
--- a/src/bin/mt-webface.rs
+++ b/src/bin/mt-webface.rs
@@ -21,7 +21,7 @@ use pencil::method::{Get, Post};
 use regex::Regex;
 use modelthing::transpile_scheme::TranspileScheme;
 use modelthing::transpile_js::{TranspileJS, TranspileJSODE};
-use modelthing::repr_latex::ReprLaTeX;
+use modelthing::repr_latex::{ReprLaTeX, ReprVarsHTML};
 
 /*
 This command doesn't use error_chain (or raise errors in general) because the
@@ -86,6 +86,7 @@ fn model_view(r: &mut Request) -> PencilResult {
             context.insert("markdown".to_string(), me.markdown.clone());
             context.insert("modelica".to_string(), format!("{:?}", me.ast));
             context.insert("latex".to_string(), me.ast.repr_latex().unwrap());
+            context.insert("vars_table".to_string(), me.ast.repr_vars_html().unwrap());
             context.insert("editable".to_string(),
                 if namespace == "sandbox" { "true".to_string() } else { "".to_string() });
             context.insert("computable".to_string(),
diff --git a/src/repr_latex.rs b/src/repr_latex.rs
index 4c4e34c..b5426e8 100644
--- a/src/repr_latex.rs
+++ b/src/repr_latex.rs
@@ -8,6 +8,9 @@ pub trait ReprLaTeX {
     fn repr_latex(&self) -> Result<String>;
 }
 
+pub trait ReprVarsHTML {
+    fn repr_vars_html(&self) -> Result<String>;
+}
 
 impl ReprLaTeX for ModelicaModel {
     fn repr_latex(&self) -> Result<String> {
@@ -25,6 +28,43 @@ impl ReprLaTeX for ModelicaModel {
     }
 }
 
+impl ReprVarsHTML for ModelicaModel {
+
+    fn repr_vars_html(&self) -> Result<String> {
+
+        let mut rows = vec![];
+        for c in &self.components {
+            rows.push(format!(r#"<tr><td>\({name}\)</td>
+                                     <td>{prefix}</td>
+                                     <td>{description}</td>
+                                     <td>\({default}\)</td>
+                                     <td>{specifier}</td>
+                                 </tr>"#,
+                prefix = if let Some(ref cp) = c.prefix {
+                    format!("{:?}", cp) }
+                    else { "free".to_string() },
+                specifier = c.specifier,
+                name = try!(Expr::Ident(c.name.clone()).repr_latex()),
+                default = if let Some(ref v) = c.value {
+                    try!(v.repr_latex()) }
+                    else { "".to_string() },
+                description = if let Some(ref d) = c.description {
+                    d.clone() }
+                    else { "".to_string() }));
+        }
+        let rows = rows.join("\n");
+        Ok(format!(r#"<table>
+            <tr><th>Variable</th>
+                <th>Type</th>
+                <th>Description</th>
+                <th>Value (default)</th>
+                <th>Datatype</th>
+            {rows}
+            </table>"#,
+                rows = rows))
+    }
+}
+
 fn is_latexy_ident(s: &str) -> bool {
     let latexy_idents = [
         "alpha", "Alpha", "beta", "gamma", "Gamma", "delta", "Delta",
diff --git a/webface/templates/model_view.html b/webface/templates/model_view.html
index 14ed5ef..878edaa 100644
--- a/webface/templates/model_view.html
+++ b/webface/templates/model_view.html
@@ -12,6 +12,8 @@
 <style>
 .mfrac { font-size:0.8em; }
 .infoblock { margin-left: 0.25em; border-left: 4px solid #BBBBBB; }
+#vars_table table { margin-top: 2em; margin-bottom: 2em; width: 100%; }
+#vars_table td { text-align: center; }
 </style>
 {{/partial}}
 
@@ -46,6 +48,12 @@ $${{ latex }}$$
 </div>
 {{/if}}
 
+{{# if vars_table }}
+<div id="vars_table">
+{{{ vars_table}}}
+</div>
+{{/if}}
+
 {{{ markdown_html }}}
 
 <br>
-- 
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