From 3c16d5f593e3b76485861c361328b460a6517c17 Mon Sep 17 00:00:00 2001
From: Michael Orlitzky <michael@orlitzky.com>
Date: Tue, 24 Oct 2023 09:46:34 -0400
Subject: [PATCH] index.html.in: do javascript tricks in order of importance

For example, centering the ticket is probably most important. Being
able to tap the screen to switch it to night mode the least.
---
 index.html.in | 75 ++++++++++++++++++++++++++-------------------------
 1 file changed, 39 insertions(+), 36 deletions(-)

diff --git a/index.html.in b/index.html.in
index 9d666de..13a10e3 100644
--- a/index.html.in
+++ b/index.html.in
@@ -229,9 +229,42 @@
     @SVGDATA@
 
     <script>
-      /******************************************/
-      /* First, set up the ticket date and time */
-      /******************************************/
+
+      /***********************************************/
+      /* First, center the ticket within the browser */
+      /***********************************************/
+
+      function center_ticket() {
+	/* We're relying on the SVG being the full height of the
+	 * viewport already, and on the aspect ratio being
+	 * preserved. First, find the center of the ticket. */
+	const r = document.getElementById("ticket").getBoundingClientRect();
+	const c = r.left + (r.width / 2);
+
+	/* That's the center-line of the ticket. We want to move it to
+	 * the center-line of the viewport. */
+	const vc = document.documentElement.clientWidth / 2;
+
+	/* This is how much we need to translate the SVG */
+	const delta = vc - c;
+
+	/* But before we can set the absolute left-coordinate of the
+	 * SVG, we need to know where it is now. Note: without the
+	 * "px" this doesn't default to pixels like CSS does. */
+	const svg = document.querySelector("svg");
+	svg.style.left = (svg.getBoundingClientRect().left + delta) + "px";
+      }
+
+      /* Re-center it when the window is resized */
+      window.addEventListener("resize", center_ticket);
+
+      /* Center it once when the page has loaded, too */
+      window.addEventListener("load", center_ticket);
+
+
+      /*****************************************/
+      /* Next, set up the ticket date and time */
+      /*****************************************/
 
       /* There are two parameters, time and date, that we store in one
        * underlying "date" variable. Default both to an hour and a
@@ -260,9 +293,9 @@
       td.firstChild.textContent = date.toLocaleDateString("en-US", dateopts);
 
 
-      /************************************************************/
-      /* Second, add the onclick handler for the night/day switch */
-      /************************************************************/
+      /*************************************************************/
+      /* Finally, add the onclick handler for the night/day switch */
+      /*************************************************************/
 
       /* We always start in "day" mode */
       is_day = true;
@@ -288,36 +321,6 @@
 
       document.body.addEventListener("click", swap_colors);
 
-
-      /*************************************************/
-      /* Finally, center the ticket within the browser */
-      /*************************************************/
-      function center_ticket() {
-	/* We're relying on the SVG being the full height of the
-	 * viewport already, and on the aspect ratio being
-	 * preserved. First, find the center of the ticket. */
-	const r = document.getElementById("ticket").getBoundingClientRect();
-	const c = r.left + (r.width / 2);
-
-	/* That's the center-line of the ticket. We want to move it to
-	 * the center-line of the viewport. */
-	const vc = document.documentElement.clientWidth / 2;
-
-	/* This is how much we need to translate the SVG */
-	const delta = vc - c;
-
-	/* But before we can set the absolute left-coordinate of the
-	 * SVG, we need to know where it is now. Note: without the
-	 * "px" this doesn't default to pixels like CSS does. */
-	const svg = document.querySelector("svg");
-	svg.style.left = (svg.getBoundingClientRect().left + delta) + "px";
-      }
-
-      /* Re-center it when the window is resized */
-      window.addEventListener("resize", center_ticket);
-
-      /* Center it once when the page has loaded, too */
-      window.addEventListener("load", center_ticket);
     </script>
   </body>
 </html>
-- 
2.44.2