graflow: fix1 to ortho wires

app/assets/html/test2.html

@@ -65,10 +65,12 @@
                 document.querySelector('[data-trigger="onAutoplace3V"]').addEventListener('click',
                     (evt) => { grflw3.autoPlace('vertical', 80, 30, 1000, document.querySelector('[data-id="organi"]').value) }
                 )                
-
                 document.querySelector('input[data-id="organi"]').addEventListener('change',
                     (evt) => { grflw3.setAttribute('tension', evt.target.value); grflw3.refresh() }
                 )
+                document.querySelector('select[name="wiretype"]').addEventListener('change',
+                    (evt) => { grflw3.setAttribute('wiretype', evt.target.value); grflw3.refresh() }
+                )
             })
         </script>
 	</head>
@@ -84,6 +86,11 @@
                     <option value="last">Last</option>
                     <option value="auto">Auto</option>
                 </select>
+                <select name="wiretype">
+                    <option value="ortho">Ortho</option>
+                    <option value="straight">Straight</option>
+                    <option value="bezier" selected>Bezier</option>
+                </select>                
                 <div class-"cols-2"=""><label>tension</label><input data-id="organi" type="number" size="2" value="60"></div>
             </div>
         </bz-graflow>