From 4182de33498551fa67e5854697fd0151548839fe Mon Sep 17 00:00:00 2001
From: Stewart Allen <stewart.allen@gmail.com>
Date: Tue, 25 Feb 2020 21:53:48 -0500
Subject: [PATCH] add ui checkpoint / restore for modules, consts to api, fix
 stock calc when 0 widgets

---
 js/kiri.js    | 13 ++++++++-----
 js/moto-ui.js | 15 ++++++++++++++-
 2 files changed, 22 insertions(+), 6 deletions(-)

diff --git a/js/kiri.js b/js/kiri.js
index 6e113660..61fcce7a 100644
--- a/js/kiri.js
+++ b/js/kiri.js
@@ -462,7 +462,6 @@ self.kiri.license = exports.LICENSE;
                 view: null,
                 zoomSpeed: 1.0,
                 reverseZoom: true,
-                groupImport: false,
                 freeLayout: true,
                 autoLayout: true
             },
@@ -588,6 +587,10 @@ self.kiri.license = exports.LICENSE;
         mouse : {
             moved : function() { return mouseMoved },
             movedSet : function(b) { mouseMoved = b }
+        },
+        const: {
+            MODES,
+            VIEWS
         }
     };
 
@@ -1900,7 +1903,7 @@ self.kiri.license = exports.LICENSE;
         let sd = settings.process;
         let offset = UI.camStockOffset.checked;
         // create/inject cam stock if stock size other than default
-        if (MODE === MODES.CAM && sd.camStockX && sd.camStockY && sd.camStockZ) {
+        if (MODE === MODES.CAM && sd.camStockX && sd.camStockY && sd.camStockZ && WIDGETS.length) {
             UI.stock.style.display = offset ? 'inline' : 'none';
             let csx = sd.camStockX;
             let csy = sd.camStockY;
@@ -2649,12 +2652,14 @@ self.kiri.license = exports.LICENSE;
                     UC.newButton("right", SPACE.view.right)
                 ]
             ]),
+
             layout: UC.newGroup('options'),
             autoLayout: UC.newBoolean("auto layout", booleanSave, {title:"automatically layout platform\nwhen new items added\nor when arrange clicked\nmore than once"}),
             freeLayout: UC.newBoolean("free layout", booleanSave, {title:"permit dragable layout"}),
-            groupImport: UC.newBoolean("group import", booleanSave, {title:"group imports received\nfrom external sources\nlike Onshape", modes:CAM}),
             reverseZoom: UC.newBoolean("invert zoom", booleanSave, {title:"invert mouse wheel\nscroll zoom"}),
 
+            appendLeft: UC.checkpoint(),
+
             layers: UC.setGroup($("layers")),
             layerOutline: UC.newBoolean("outline", onLayerToggle, {modes:LOCAL ? ALL : FDM_LASER}),
             layerTrace: UC.newBoolean("trace", onLayerToggle, {modes:FDM_LASER}),
@@ -2835,7 +2840,6 @@ self.kiri.license = exports.LICENSE;
         function booleanSave() {
             settings.controller.autoLayout = UI.autoLayout.checked;
             settings.controller.freeLayout = UI.freeLayout.checked;
-            settings.controller.groupImport = UI.groupImport.checked;
             settings.controller.reverseZoom = UI.reverseZoom.checked;
             SPACE.view.setZoom(settings.controller.reverseZoom, settings.controller.zoomSpeed);
             saveSettings();
@@ -3837,7 +3841,6 @@ self.kiri.license = exports.LICENSE;
             SPACE.view.setZoom(settings.controller.reverseZoom, settings.controller.zoomSpeed);
             SPACE.platform.setZOff(0.2);
 
-            UI.groupImport.checked = settings.controller.groupImport;
             UI.freeLayout.checked = settings.controller.freeLayout;
             UI.autoLayout.checked = settings.controller.autoLayout;
 
diff --git a/js/moto-ui.js b/js/moto-ui.js
index f814ea8f..1b7879d2 100644
--- a/js/moto-ui.js
+++ b/js/moto-ui.js
@@ -47,7 +47,9 @@ var gs_moto_ui = exports;
         newRow: newRow,
         newBlank: newBlank,
         newGroup: newGroup,
-        setGroup: setGroup
+        setGroup: setGroup,
+        checkpoint,
+        restore
     };
 
     function setMode(mode) {
@@ -68,6 +70,17 @@ var gs_moto_ui = exports;
         return ls ? ls !== 'false' : dv !== undefined ? dv : true;
     }
 
+    function checkpoint() {
+        return { lastDiv, lastGroup };
+    }
+
+    function restore(opt) {
+        if (opt) {
+            lastDiv = opt.lastDiv;
+            lastGroup = opt.lastGroup;
+        }
+    }
+
     function setGroup(div) {
         lastDiv = div;
         return div;