jumping cursor using Keyboard

libraries/functions.js

@@ -478,3 +478,39 @@ function setSelectOptions(the_form, the_select, do_check)
 
     return true;
 } // end of the 'setSelectOptions()' function
+
+/**
+  * Allows moving around inputs/select by Ctrl+arrows
+  *
+  * @param   object   event data   
+  */
+function onKeyDownArrowsHandler(e) {
+    e=e||window.event;
+    var o = (e.srcElement||e.target);
+    if (!o) return;
+    if (o.tagName != "INPUT" && o.tagName != "SELECT") return;
+    if (!e.ctrlKey) return;
+    if (!o.id) return;
+
+    var pos = o.id.split("_");
+    if (pos[0] != "field" || typeof pos[2] == "undefined") return;
+
+    var x = pos[2], y=pos[1];
+
+    switch(e.keyCode) {
+        case 38: y--; break; // up
+        case 40: y++; break; // down
+        case 37: x--; break; // left
+        case 39: x++; break; // right
+        default: return;
+    }
+
+    var id = "field_" + y + "_" + x;
+    var nO = document.getElementById(id);
+    if (!nO) return;
+    nO.focus();
+    if (nO.tagName != 'SELECT') {
+        nO.select();
+    }
+    e.returnValue = false;
+}