From 0b1af8d70e6913e631e511af714dad9903291188 Mon Sep 17 00:00:00 2001
From: BigEd <ed.spittles@gmail.com>
Date: Fri, 1 Oct 2010 16:56:14 +0000
Subject: [PATCH] [dev]add link to current pan+zoom

---
 index.html | 7 ++++++-
 wires.js   | 5 +++++
 2 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/index.html b/index.html
index 3d0f4e2..ceb32bc 100644
--- a/index.html
+++ b/index.html
@@ -95,7 +95,12 @@ Enter your own program into the array of RAM
   <form>
   <input type="button" value="Hide Chip Layout" onclick="updateChipLayoutVisibility(false)" />
   <input type="button" value="Clear Highlighting" onclick="clearHighlight()" />
-  Animate during simulation: <input type="checkbox" id="animateModeCheckbox" onchange="updateChipLayoutAnimation(this.checked)" />
+  <span style="border:thin solid;padding:2px;border-color:gray">
+    Animate during simulation:
+    <input type="checkbox" id="animateModeCheckbox" onchange="updateChipLayoutAnimation(this.checked)" 
+    /></span>
+  &nbsp;
+  <a href="" style="padding:2px;" id="linkHere" >Link to this location</a>
   </form>
 </div>
 <div id="expertControlPanel" style="display:none">
diff --git a/wires.js b/wires.js
index 231073b..6e23972 100644
--- a/wires.js
+++ b/wires.js
@@ -340,6 +340,7 @@ function recenter(){
 		top: top+'px',
 		left: left+'px',
 	});
+	document.getElementById('linkHere').href=location.pathname+"?"+whereAmIAsQuery();
 }
 
 function handleClick(e){
@@ -440,6 +441,10 @@ function setupChipLayoutGraphics(){
 }
 
 // utility function to save graphics pan and zoom
+function whereAmIAsQuery(){
+	var w=whereAmI();
+	return "panx="+w[0]+"&pany="+w[1]+"&zoom="+w[2]
+}
 function whereAmI(){
 	return [centerx, centery, zoom];
 }