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

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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.
This commit is contained in:
Ben Harris
2022-11-15 22:04:02 +00:00
parent 298615408b
commit 1b3a6bd204
1 changed files with 8 additions and 8 deletions
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16
emccpre.js
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@ -447,11 +447,13 @@ function initPuzzle() {
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 @@ function initPuzzle() {
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.";