Add quick/dirty click-focus func on tex page

submissions/templates/submissions/reports_pdf_compile.html

@@ -24,7 +24,7 @@
     <div class="row">
         <div class="col-12">
             <h3>Please process this code in your Tex Compiler:</h3>
-            <pre><code>{% include 'submissions/_report_tex_template.html' with report=report %}</code></pre>
+            <pre class="clickfocus"><code>{% include 'submissions/_report_tex_template.html' with report=report %}</code></pre>
         </div>
     </div>
 
@@ -38,4 +38,36 @@
           </form>
         </div>
     </div>
+
+<script>
+    jQuery.fn.selectText = function(){
+        this.find('input').each(function() {
+            if($(this).prev().length == 0 || !$(this).prev().hasClass('p_copy')) {
+                $('<p class="p_copy" style="position: absolute; z-index: -1;"></p>').insertBefore($(this));
+            }
+            $(this).prev().html($(this).val());
+        });
+        var doc = document;
+        var element = this[0];
+
+        if (doc.body.createTextRange) {
+            var range = document.body.createTextRange();
+            range.moveToElementText(element);
+            range.select();
+        } else if (window.getSelection) {
+            var selection = window.getSelection();
+            var range = document.createRange();
+            range.selectNodeContents(element);
+            selection.removeAllRanges();
+            selection.addRange(range);
+        }
+    };
+
+    $(function() {
+        $('.clickfocus').on('click', function() {
+            $(this).find('code').selectText();
+        });
+    });
+</script>
+
 {% endblock %}