-refactoring js files,

-implementing 3 decimal observer
-reusing load steps and save steps event
-adding settings for xyzSteps
-subsection macro default spacing = true

octoprint_CalibrationTools/static/js/GeneralViewModel.js

@@ -0,0 +1,37 @@
+$(function () {
+    function CalibrationToolsGeneralViewModel(parameters) {
+        this.loginState = parameters[0];
+        this.decimal3 = function (defaultVal) {
+            return {
+                numeric: {
+                    decimals: 3,
+                    default: defaultVal
+                }
+            }
+        }
+        ko.extenders.numeric = function (target, options) {
+            var returnObs = ko.pureComputed({
+                read: target,
+                write: function (value) {
+                    var newVal = options.decimals ? parseFloat(value).toFixed(options.decimals) : parseInt(value);
+                    target(isNaN(newVal) ? options.default : newVal);
+                }
+            }).extend({
+                notify: 'always'
+            });
+            returnObs(target());
+            return returnObs;
+        };
+    }
+    // OCTOPRINT_VIEWMODELS.push([GeneralViewModel, ["loginStateViewModel"], []]);
+    OCTOPRINT_VIEWMODELS.push({
+        // This is the constructor to call for instantiating the plugin
+        construct: CalibrationToolsGeneralViewModel,
+        name: "calibrationToolsGeneralViewModel",
+        // This is a list of dependencies to inject into the plugin, the order which you request
+        // here is the order in which the dependencies will be injected into your view model upon
+        // instantiation via the parameters argument
+        dependencies: ["loginStateViewModel"]
+        // Finally, this is the list of selectors for all elements we want this view model to be bound to.
+    });
+});