shithub: puzzles

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js: Create the puzzle resize handle only if the puzzle is resizable

If there's no resizable div to attach it to, there's not much point in
creating the handle and the doing nothing with it.

--- a/emccpre.js

+++ b/emccpre.js

@@ -447,11 +447,13 @@

     permalink_desc = document.getElementById("permalink-desc");

     permalink_seed = document.getElementById("permalink-seed");

-    // Create the resize handle.

-    var resize_handle = document.createElement("canvas");

-    resize_handle.width = 10;

-    resize_handle.height = 10;

-    {

+    resizable_div = document.getElementById("resizable");

+    if (resizable_div !== null) {

+        // Create the resize handle.

+        var resize_handle = document.createElement("canvas");

+        resize_handle.width = 10;

+        resize_handle.height = 10;

+

         var ctx = resize_handle.getContext("2d");

         ctx.beginPath();

         for (var i = 1; i <= 7; i += 3) {

@@ -463,9 +465,7 @@

         ctx.lineJoin = 'round';

         ctx.strokeStyle = '#000000';

         ctx.stroke();

-    }

-    resizable_div = document.getElementById("resizable");

-    if (resizable_div !== null) {

+

         resizable_div.appendChild(resize_handle);

         resize_handle.id = "resizehandle";

         resize_handle.title = "Drag to resize the puzzle. Right-click to restore the default size.";