improve LayoutManager qml references

containment/package/contents/ui/ConfigOverlay.qml

@@ -96,9 +96,9 @@ MouseArea {
 
                 if ((plasmoid.formFactor === PlasmaCore.Types.Vertical && posInItem.y < item.height/2) ||
                         (plasmoid.formFactor !== PlasmaCore.Types.Vertical && posInItem.x < item.width/2)) {
-                    root.layoutManager.insertBefore(item, placeHolder);
+                    root.layoutManagerInsertBefore(item, placeHolder);
                 } else {
-                    root.layoutManager.insertAfter(item, placeHolder);
+                    root.layoutManagerInsertAfter(item, placeHolder);
                 }
             }
 
@@ -198,7 +198,7 @@ MouseArea {
         placeHolder.height = currentApplet.height;
         handle.width = currentApplet.width;
         handle.height = currentApplet.height;
-        root.layoutManager.insertBefore(currentApplet, placeHolder);
+        root.layoutManagerInsertBefore(currentApplet, placeHolder);
         currentApplet.parent = root;
         currentApplet.x = lastX-appletX;
         currentApplet.y = lastY-appletY;
@@ -221,7 +221,7 @@ MouseArea {
         configurationArea.isResizingLeft = false;
         configurationArea.isResizingRight = false;
 
-        root.layoutManager.insertBefore(placeHolder, currentApplet);
+        root.layoutManagerInsertBefore(placeHolder, currentApplet);
         placeHolder.parent = configurationArea;
         currentApplet.z = 1;
 
@@ -231,7 +231,7 @@ MouseArea {
         handle.y = relevantLayout.y + currentApplet.y;
         //     handle.width = currentApplet.width;
         //    handle.height = currentApplet.height;
-        root.layoutManager.save();
+        root.layoutManagerSave();
     }
 
     onWheel: {
@@ -489,7 +489,7 @@ MouseArea {
 
                         onCheckedChanged: {
                             currentApplet.lockZoom = checked;
-                            root.layoutManager.saveLocks();
+                            root.layoutManagerSaveLocks();
                         }
                     }
 

containment/package/contents/ui/EditModeVisual.qml

@@ -51,7 +51,7 @@ Item{
 
     property rect efGeometry
 
-    property string layoutColor: root.latteViewManagedLayout ? root.latteViewManagedLayout.color : "blue"
+    property string layoutColor: latteView && latteView.managedLayout ? latteView.managedLayout.color : "blue"
 
 
     Item{

containment/package/contents/ui/VisibilityManager.qml

@@ -193,7 +193,7 @@ Item{
     Connections{
         target: universalLayoutManager
         onCurrentLayoutIsSwitching: {
-            if (Latte.WindowSystem.compositingActive && root.latteViewManagedLayout && root.latteViewManagedLayout.name === layoutName) {
+            if (Latte.WindowSystem.compositingActive && latteView && latteView.managedLayout && latteView.managedLayout.name === layoutName) {
                 manager.inTempHiding = true;
                 manager.inForceHiding = true;
                 root.clearZoom();

containment/package/contents/ui/main.qml

@@ -338,7 +338,6 @@ DragDrop.DropArea {
     }
 
     property var iconsArray: [16, 22, 32, 48, 64, 96, 128, 256]
-    property var layoutManager: LayoutManager
 
     property Item dragOverlay
     property Item toolBox
@@ -717,7 +716,7 @@ DragDrop.DropArea {
         LayoutManager.root = root;
         LayoutManager.layout = layoutsContainer.mainLayout;
         LayoutManager.layoutS = layoutsContainer.startLayout;
-        layoutManager.layoutE = layoutsContainer.endLayout;
+        LayoutManager.layoutE = layoutsContainer.endLayout;
         LayoutManager.lastSpacer = lastSpacer;
         LayoutManager.restore();
         plasmoid.action("configure").visible = !plasmoid.immutable;
@@ -947,12 +946,12 @@ DragDrop.DropArea {
             container.visible = true;
 
             if(pos>=0 ){
-                layoutManager.insertAtIndex(container, pos);
+                LayoutManager.insertAtIndex(container, pos);
             } else {
-                layoutManager.insertAtIndex(container, Math.floor(layoutsContainer.mainLayout.count / 2));
+                LayoutManager.insertAtIndex(container, Math.floor(layoutsContainer.mainLayout.count / 2));
             }
 
-            layoutManager.save();
+            LayoutManager.save();
         }
     }
 
@@ -1071,6 +1070,22 @@ DragDrop.DropArea {
         }
     }
 
+    function layoutManagerInsertBefore(place, item) {
+        LayoutManager.insertBefore(place, item);
+    }
+
+    function layoutManagerInsertAfter(place, item) {
+        LayoutManager.insertAfter(place, item);
+    }
+
+    function layoutManagerSave() {
+        LayoutManager.save();
+    }
+
+    function layoutManagerSaveLocks() {
+        LayoutManager.saveLocks();
+    }
+
     function mouseInCanBeHoveredApplet(){
         if (latteApplet && latteApplet.containsMouse())
             return true;
@@ -1120,7 +1135,7 @@ DragDrop.DropArea {
                 item.destroy();
         }
 
-        layoutManager.save();
+        LayoutManager.save();
     }
 
     function setHoveredIndex(ind) {