From 59de607850161a26863f92961d53caae7a2dabc8 Mon Sep 17 00:00:00 2001
From: Normand Briere <nbriere@noware.ca>
Date: Tue, 06 Aug 2019 21:37:03 -0400
Subject: [PATCH] Pin button.

---
 ObjEditor.java |  519 ++++++++++++++++++++++++++++++++++++++++++++++++++-------
 1 files changed, 454 insertions(+), 65 deletions(-)

diff --git a/ObjEditor.java b/ObjEditor.java
index 4f2f437..8e14d77 100644
--- a/ObjEditor.java
+++ b/ObjEditor.java
@@ -34,6 +34,7 @@
         iSendInfo
 //KeyListener
 {
+    public cToggleButton pinButton;
         boolean timeline;
         boolean wasFullScreen;
 
@@ -467,6 +468,8 @@
         toolboxPanel = new cGridBag().setVertical(true);
         //toolboxPanel.setName("Toolbox");
         
+        skyboxPanel = new cGridBag().setVertical(true);
+        
         materialPanel = new cGridBag().setVertical(false);
         //materialPanel.setName("Material");
         
@@ -848,6 +851,8 @@
                     //frame.setVisible(true);
                 }
             frame.validate();
+            
+            cameraView.requestFocusInWindow();
         }
 
     private Object3D CompressCopy()
@@ -1203,6 +1208,18 @@
         
             namePanel = new cGridBag();
             
+        //if (copy.pinned)
+        {
+            pinButton = GetToggleButton("icons/pin.png", !Grafreed.NIMBUSLAF);
+            pinButton.setSelected(copy.pinned);
+            cGridBag t = new cGridBag();
+            t.preferredWidth = 2;
+            t.add(pinButton);
+            namePanel.add(t);
+            
+            pinButton.addItemListener(this);
+        }
+        
         nameField = AddText(namePanel, copy.GetName());
         namePanel.add(new JScrollPane(nameField, ScrollPaneConstants.VERTICAL_SCROLLBAR_AS_NEEDED, ScrollPaneConstants.HORIZONTAL_SCROLLBAR_NEVER));
         oe.ctrlPanel.add(namePanel);
@@ -1554,27 +1571,26 @@
         objectPanel.setIconAt(0, GetIcon("icons/material.png"));
         objectPanel.setToolTipTextAt(0, "Material");
     
+        objectPanel.add(toolboxPanel);
+        objectPanel.setIconAt(1, GetIcon("icons/primitives.png"));
+        objectPanel.setToolTipTextAt(1, "Objects & textures");
+
+        objectPanel.add(skyboxPanel);
+        objectPanel.setIconAt(2, GetIcon("icons/skybox.jpg"));
+        objectPanel.setToolTipTextAt(2, "Backgrounds");
+        
 //        JPanel north = new JPanel(new BorderLayout());
 //        north.setName("Edit");
 //        north.add(ctrlPanel, BorderLayout.NORTH);
 //        objectPanel.add(north);
         objectPanel.add(editPanel);
-        objectPanel.setIconAt(1, GetIcon("icons/write.png"));
-        objectPanel.setToolTipTextAt(1, "Edit controls");
-        
-        //if (Globals.ADVANCED)
-            objectPanel.add(infoPanel);
-        objectPanel.setIconAt(2, GetIcon("icons/info.png"));
-        objectPanel.setToolTipTextAt(2, "Information");
+        objectPanel.setIconAt(3, GetIcon("icons/write.png"));
+        objectPanel.setToolTipTextAt(3, "Edit controls");
         
         objectPanel.add(XYZPanel);
-        objectPanel.setIconAt(3, GetIcon("icons/XYZ.png"));
-        objectPanel.setToolTipTextAt(3, "XYZ/RGB transform");
+        objectPanel.setIconAt(4, GetIcon("icons/XYZ.png"));
+        objectPanel.setToolTipTextAt(4, "XYZ/RGB transform");
         
-        objectPanel.add(toolboxPanel);
-        objectPanel.setIconAt(4, GetIcon("icons/primitives.png"));
-        objectPanel.setToolTipTextAt(4, "Objects & backgrounds");
-
         /*
         aConstraints.gridx = 0;
         aConstraints.gridwidth = 1;
@@ -1611,6 +1627,11 @@
 
         scenePanel.add(tabbedPane);
 
+        //if (Globals.ADVANCED)
+            tabbedPane.add(infoPanel);
+        tabbedPane.setIconAt(3, GetIcon("icons/info.png"));
+        tabbedPane.setToolTipTextAt(3, "Information");
+        
         /*
         cTree jTree = new cTree(null);
         ToolTipManager.sharedInstance().registerComponent(jTree);
@@ -1738,46 +1759,374 @@
     void SetupMaterial(cGridBag materialpanel)
     {
         cGridBag presetpanel = new cGridBag().setVertical(true);
-        cLabel label = GetLabel("icons/shadericons/shadericon00000.png", !Grafreed.NIMBUSLAF);
-        label.addMouseListener(new MouseAdapter()
+        
+        cLabel skin = GetLabel("icons/shadericons/shadericon00000.png", !Grafreed.NIMBUSLAF);
+        skin.setToolTipText("Skin");
+        skin.addMouseListener(new MouseAdapter()
         {
             public void mouseClicked(MouseEvent e)
             {
-                colorField.setFloat(0);
-                saturationField.setFloat(1);
+                Object3D object = Grafreed.materials.versionlist[0].get(0);
+                cMaterial material = object.material;
+                
+                // Skin
+                colorField.setFloat(material.color);
+                saturationField.setFloat(material.modulation);
+                subsurfaceField.setFloat(material.subsurface);
+                selfshadowField.setFloat(material.diffuseness);
+                diffusenessField.setFloat(material.factor);
+                shininessField.setFloat(material.shininess);
+                shadowbiasField.setFloat(material.shadowbias);
+                diffuseField.setFloat(material.diffuse);
+                specularField.setFloat(material.specular);
+                
+                bumpField.setFloat(object.projectedVertices[0].x / 1000.0);
+                noiseField.setFloat(object.projectedVertices[0].y / 1000.0);
+                powerField.setFloat(object.projectedVertices[2].x / 1000.0);
+
                 materialtouched = true;
                 applySelf();
             }
         });
-        presetpanel.add(label);
+        presetpanel.add(skin);
         
-        presetpanel.add(GetLabel("icons/shadericons/shadericon00001.png", !Grafreed.NIMBUSLAF));
-        presetpanel.add(GetLabel("icons/shadericons/shadericon00002.png", !Grafreed.NIMBUSLAF));
-        presetpanel.add(GetLabel("icons/shadericons/shadericon00003.png", !Grafreed.NIMBUSLAF));
-        presetpanel.add(GetLabel("icons/shadericons/shadericon00004.png", !Grafreed.NIMBUSLAF));
-        presetpanel.add(GetLabel("icons/shadericons/shadericon00005.png", !Grafreed.NIMBUSLAF));
-        presetpanel.add(GetLabel("icons/shadericons/shadericon00006.png", !Grafreed.NIMBUSLAF));
-        presetpanel.add(GetLabel("icons/shadericons/shadericon00007.png", !Grafreed.NIMBUSLAF));
-        presetpanel.add(GetLabel("icons/shadericons/shadericon00008.png", !Grafreed.NIMBUSLAF));
-        presetpanel.add(GetLabel("icons/shadericons/shadericon00009.png", !Grafreed.NIMBUSLAF));
-        presetpanel.add(GetLabel("icons/shadericons/shadericon00010.png", !Grafreed.NIMBUSLAF));
-        presetpanel.add(GetLabel("icons/shadericons/shadericon00011.png", !Grafreed.NIMBUSLAF));
-        presetpanel.add(GetLabel("icons/shadericons/shadericon00012.png", !Grafreed.NIMBUSLAF));
-        presetpanel.add(GetLabel("icons/shadericons/shadericon00013.png", !Grafreed.NIMBUSLAF));
-        presetpanel.add(GetLabel("icons/shadericons/shadericon00014.png", !Grafreed.NIMBUSLAF));
-        presetpanel.add(GetLabel("icons/shadericons/shadericon00015.png", !Grafreed.NIMBUSLAF));
-        presetpanel.add(GetLabel("icons/shadericons/shadericon00016.png", !Grafreed.NIMBUSLAF));
-        presetpanel.add(GetLabel("icons/shadericons/shadericon00017.png", !Grafreed.NIMBUSLAF));
-        presetpanel.add(GetLabel("icons/shadericons/shadericon00018.png", !Grafreed.NIMBUSLAF));
-        presetpanel.add(GetLabel("icons/shadericons/shadericon00019.png", !Grafreed.NIMBUSLAF));
-        presetpanel.add(GetLabel("icons/shadericons/shadericon00020.png", !Grafreed.NIMBUSLAF));
+        cLabel lambert = GetLabel("icons/shadericons/shadericon00002.png", !Grafreed.NIMBUSLAF);
+        lambert.setToolTipText("Diffuse");
+        lambert.addMouseListener(new MouseAdapter()
+        {
+            public void mouseClicked(MouseEvent e)
+            {
+                Object3D object = Grafreed.materials.versionlist[2].get(0);
+                cMaterial material = object.material;
+                
+                diffusenessField.setFloat(material.factor);
+                selfshadowField.setFloat(material.diffuseness);
+
+                materialtouched = true;
+                applySelf();
+            }
+        });
+        presetpanel.add(lambert);
+        
+        cLabel diffuse2 = GetLabel("icons/shadericons/shadericon00003.png", !Grafreed.NIMBUSLAF);
+        diffuse2.setToolTipText("Diffuse2");
+        diffuse2.addMouseListener(new MouseAdapter()
+        {
+            public void mouseClicked(MouseEvent e)
+            {
+                Object3D object = Grafreed.materials.versionlist[3].get(0);
+                cMaterial material = object.material;
+                
+                diffusenessField.setFloat(material.factor);
+                selfshadowField.setFloat(material.diffuseness);
+
+                materialtouched = true;
+                applySelf();
+            }
+        });
+        presetpanel.add(diffuse2);
+        
+        cLabel diffusemoon = GetLabel("icons/shadericons/shadericon00004.png", !Grafreed.NIMBUSLAF);
+        diffusemoon.setToolTipText("Moon");
+        diffusemoon.addMouseListener(new MouseAdapter()
+        {
+            public void mouseClicked(MouseEvent e)
+            {
+                Object3D object = Grafreed.materials.versionlist[4].get(0);
+                cMaterial material = object.material;
+                
+                diffusenessField.setFloat(material.factor);
+                selfshadowField.setFloat(material.diffuseness);
+
+                materialtouched = true;
+                applySelf();
+            }
+        });
+        presetpanel.add(diffusemoon);
+        
+        cLabel diffusemoon2 = GetLabel("icons/shadericons/shadericon00005.png", !Grafreed.NIMBUSLAF);
+        diffusemoon2.setToolTipText("Moon2");
+        diffusemoon2.addMouseListener(new MouseAdapter()
+        {
+            public void mouseClicked(MouseEvent e)
+            {
+                Object3D object = Grafreed.materials.versionlist[5].get(0);
+                cMaterial material = object.material;
+                
+                diffusenessField.setFloat(material.factor);
+                selfshadowField.setFloat(material.diffuseness);
+
+                materialtouched = true;
+                applySelf();
+            }
+        });
+        presetpanel.add(diffusemoon2);
+        
+        cLabel diffusemoon3 = GetLabel("icons/shadericons/shadericon00006.png", !Grafreed.NIMBUSLAF);
+        diffusemoon3.setToolTipText("Moon3");
+        diffusemoon3.addMouseListener(new MouseAdapter()
+        {
+            public void mouseClicked(MouseEvent e)
+            {
+                Object3D object = Grafreed.materials.versionlist[6].get(0);
+                cMaterial material = object.material;
+                
+                diffusenessField.setFloat(material.factor);
+                selfshadowField.setFloat(material.diffuseness);
+
+                materialtouched = true;
+                applySelf();
+            }
+        });
+        presetpanel.add(diffusemoon3);
+        
+        cLabel diffusesheen = GetLabel("icons/shadericons/shadericon00007.png", !Grafreed.NIMBUSLAF);
+        diffusesheen.setToolTipText("Sheen");
+        diffusesheen.addMouseListener(new MouseAdapter()
+        {
+            public void mouseClicked(MouseEvent e)
+            {
+                Object3D object = Grafreed.materials.versionlist[7].get(0);
+                cMaterial material = object.material;
+                
+                sheenField.setFloat(material.sheen);
+
+                materialtouched = true;
+                applySelf();
+            }
+        });
+        presetpanel.add(diffusesheen);
+        
+        cLabel rough = GetLabel("icons/shadericons/shadericon00001.png", !Grafreed.NIMBUSLAF);
+        rough.setToolTipText("Rough metal");
+        rough.addMouseListener(new MouseAdapter()
+        {
+            public void mouseClicked(MouseEvent e)
+            {
+                Object3D object = Grafreed.materials.versionlist[1].get(0);
+                cMaterial material = object.material;
+                
+                shininessField.setFloat(material.shininess);
+                velvetField.setFloat(material.velvet);
+
+                materialtouched = true;
+                applySelf();
+            }
+        });
+        presetpanel.add(rough);
+        
+        cLabel rough2 = GetLabel("icons/shadericons/shadericon00013.png", !Grafreed.NIMBUSLAF);
+        rough2.setToolTipText("Medium metal");
+        rough2.addMouseListener(new MouseAdapter()
+        {
+            public void mouseClicked(MouseEvent e)
+            {
+                Object3D object = Grafreed.materials.versionlist[13].get(0);
+                cMaterial material = object.material;
+                
+                shininessField.setFloat(material.shininess);
+                lightareaField.setFloat(material.lightarea);
+
+                materialtouched = true;
+                applySelf();
+            }
+        });
+        presetpanel.add(rough2);
+        
+        cLabel shini0 = GetLabel("icons/shadericons/shadericon00014.png", !Grafreed.NIMBUSLAF);
+        shini0.setToolTipText("Shiny");
+        shini0.addMouseListener(new MouseAdapter()
+        {
+            public void mouseClicked(MouseEvent e)
+            {
+                Object3D object = Grafreed.materials.versionlist[14].get(0);
+                cMaterial material = object.material;
+                
+                shininessField.setFloat(material.shininess);
+                lightareaField.setFloat(material.lightarea);
+
+                materialtouched = true;
+                applySelf();
+            }
+        });
+        presetpanel.add(shini0);
+        
+        cLabel shini1 = GetLabel("icons/shadericons/shadericon00011.png", !Grafreed.NIMBUSLAF);
+        shini1.setToolTipText("Shiny2");
+        shini1.addMouseListener(new MouseAdapter()
+        {
+            public void mouseClicked(MouseEvent e)
+            {
+                Object3D object = Grafreed.materials.versionlist[11].get(0);
+                cMaterial material = object.material;
+                
+                shininessField.setFloat(material.shininess);
+                lightareaField.setFloat(material.lightarea);
+
+                materialtouched = true;
+                applySelf();
+            }
+        });
+        presetpanel.add(shini1);
+        
+        cLabel shini2 = GetLabel("icons/shadericons/shadericon00012.png", !Grafreed.NIMBUSLAF);
+        shini2.setToolTipText("Shiny3");
+        shini2.addMouseListener(new MouseAdapter()
+        {
+            public void mouseClicked(MouseEvent e)
+            {
+                Object3D object = Grafreed.materials.versionlist[12].get(0);
+                cMaterial material = object.material;
+                
+                shininessField.setFloat(material.shininess);
+                lightareaField.setFloat(material.lightarea);
+
+                materialtouched = true;
+                applySelf();
+            }
+        });
+        presetpanel.add(shini2);
+        
+        cLabel aniso = GetLabel("icons/shadericons/shadericon00008.png", !Grafreed.NIMBUSLAF);
+        aniso.setToolTipText("AnisoU");
+        aniso.addMouseListener(new MouseAdapter()
+        {
+            public void mouseClicked(MouseEvent e)
+            {
+                Object3D object = Grafreed.materials.versionlist[8].get(0);
+                cMaterial material = object.material;
+                
+                anisoField.setFloat(material.aniso);
+                anisoVField.setFloat(material.anisoV);
+
+                materialtouched = true;
+                applySelf();
+            }
+        });
+        presetpanel.add(aniso);
+        
+        cLabel aniso2 = GetLabel("icons/shadericons/shadericon00009.png", !Grafreed.NIMBUSLAF);
+        aniso2.setToolTipText("AnisoV");
+        aniso2.addMouseListener(new MouseAdapter()
+        {
+            public void mouseClicked(MouseEvent e)
+            {
+                Object3D object = Grafreed.materials.versionlist[9].get(0);
+                cMaterial material = object.material;
+                
+                anisoField.setFloat(material.aniso);
+                anisoVField.setFloat(material.anisoV);
+
+                materialtouched = true;
+                applySelf();
+            }
+        });
+        presetpanel.add(aniso2);
+        
+        cLabel aniso3 = GetLabel("icons/shadericons/shadericon00010.png", !Grafreed.NIMBUSLAF);
+        aniso3.setToolTipText("AnisoUV");
+        aniso3.addMouseListener(new MouseAdapter()
+        {
+            public void mouseClicked(MouseEvent e)
+            {
+                Object3D object = Grafreed.materials.versionlist[10].get(0);
+                cMaterial material = object.material;
+                
+                anisoField.setFloat(material.aniso);
+                anisoVField.setFloat(material.anisoV);
+
+                materialtouched = true;
+                applySelf();
+            }
+        });
+        presetpanel.add(aniso3);
+        
+        cLabel velvet0 = GetLabel("icons/shadericons/shadericon00015.png", !Grafreed.NIMBUSLAF);
+        velvet0.setToolTipText("Velvet");
+        velvet0.addMouseListener(new MouseAdapter()
+        {
+            public void mouseClicked(MouseEvent e)
+            {
+                Object3D object = Grafreed.materials.versionlist[15].get(0);
+                cMaterial material = object.material;
+                
+                diffusenessField.setFloat(material.factor);
+                selfshadowField.setFloat(material.diffuseness);
+                sheenField.setFloat(material.sheen);
+                shininessField.setFloat(material.shininess);
+                velvetField.setFloat(material.velvet);
+                shiftField.setFloat(material.shift);
+
+                materialtouched = true;
+                applySelf();
+            }
+        });
+        presetpanel.add(velvet0);
+        
+        cLabel bump0 = GetLabel("icons/shadericons/shadericon00016.png", !Grafreed.NIMBUSLAF);
+        bump0.setToolTipText("Bump texture");
+        bump0.addMouseListener(new MouseAdapter()
+        {
+            public void mouseClicked(MouseEvent e)
+            {
+                Object3D object = Grafreed.materials.versionlist[16].get(0);
+                cMaterial material = object.material;
+                
+                bumpField.setFloat(object.projectedVertices[0].x / 1000.0);
+                noiseField.setFloat(object.projectedVertices[0].y / 1000.0);
+                powerField.setFloat(object.projectedVertices[2].x / 1000.0);
+
+                materialtouched = true;
+                applySelf();
+            }
+        });
+        presetpanel.add(bump0);
+        
+        cLabel halo = GetLabel("icons/shadericons/shadericon00017.png", !Grafreed.NIMBUSLAF);
+        halo.setToolTipText("Halo");
+        halo.addMouseListener(new MouseAdapter()
+        {
+            public void mouseClicked(MouseEvent e)
+            {
+                Object3D object = Grafreed.materials.versionlist[17].get(0);
+                cMaterial material = object.material;
+                
+                opacityPowerField.setFloat(object.projectedVertices[2].y / 1000.0);
+
+                materialtouched = true;
+                applySelf();
+            }
+        });
+        presetpanel.add(halo);
+        
+        cLabel candle = GetLabel("icons/shadericons/shadericon00018.png", !Grafreed.NIMBUSLAF);
+        candle.setToolTipText("Candle");
+        candle.addMouseListener(new MouseAdapter()
+        {
+            public void mouseClicked(MouseEvent e)
+            {
+                Object3D object = Grafreed.materials.versionlist[18].get(0);
+                cMaterial material = object.material;
+                
+                subsurfaceField.setFloat(material.subsurface);
+                shadowbiasField.setFloat(material.shadowbias);
+                ambientField.setFloat(material.ambient);
+                specularField.setFloat(material.specular);
+                lightareaField.setFloat(material.lightarea);
+                shininessField.setFloat(material.shininess);
+
+                materialtouched = true;
+                applySelf();
+            }
+        });
+        presetpanel.add(candle);
         
         cGridBag panel = new cGridBag().setVertical(true);
         
         presetpanel.preferredWidth = 1;
         
-        materialpanel.add(panel);
         materialpanel.add(presetpanel);
+        materialpanel.add(panel);
         
         panel.preferredWidth = 8;
         
@@ -1821,9 +2170,9 @@
 
         cGridBag huepanel = new cGridBag();
             cGridBag huelabel = new cGridBag();
-        label = GetLabel("icons/hue.png", false);
-        label.fit = true;
-            huelabel.add(label);
+        skin = GetLabel("icons/hue.png", false);
+        skin.fit = true;
+            huelabel.add(skin);
             huelabel.preferredWidth = 20;
             huepanel.add(new cGridBag()); // Label
             huepanel.add(huelabel); // Field/slider
@@ -3244,6 +3593,17 @@
     public void itemStateChanged(ItemEvent event)
     {
         //                   System.out.println("Propagate = " + propagate);
+        if (event.getSource() == pinButton)
+        {
+            copy.pinned ^= true;
+            if (!copy.pinned && !copy.editWindow.copy.selection.contains(copy))
+            {
+                ((GroupEditor)copy.editWindow).listUI.remove(copy);
+                copy.CloseUI();
+                //copy.editWindow.refreshContents();
+            }
+        }
+        else
         if (event.getSource() == propagateToggle)
         {
             propagate ^= true;
@@ -3737,14 +4097,26 @@
 
     java.util.Hashtable<java.util.UUID, Object3D> versiontable = new java.util.Hashtable<java.util.UUID, Object3D>();
     
+    void DeleteVersion()
+    {
+        for (int i = copy.versionindex; i < copy.versionlist.length-1; i++)
+        {
+            copy.versionlist[i] = copy.versionlist[i+1];
+        }
+        
+        CopyChanged();
+        
+        SetUndoStates();
+    }
+    
     public boolean Save(boolean user)
     {
         System.err.println("Save");
-        Replace();
+        //Replace();
         
         cRadio tab = GetCurrentTab();
         
-        Object3D compress = CompressCopy(); // Saved version. No need for "Replace".
+        Object3D compress = CompressCopy(); // Saved version. No need for "Replace"?
         
         boolean thesame = false;
         
@@ -3756,6 +4128,11 @@
         //EditorFrame.m_MainFrame.requestFocusInWindow();
         if (!thesame)
         {
+            for (int i = copy.versionlist.length; --i > copy.versionindex+1;)
+            {
+                copy.versionlist[i] = copy.versionlist[i-1];
+            }
+            
             //tab.user[tab.versionindex] = user;
             //boolean increment = true; // tab.graphs[tab.versionindex] == null;
             
@@ -3769,11 +4146,11 @@
 
         //assert(hashtable.isEmpty());
         
-        for (int i = copy.versionindex+1; i < copy.versionlist.length; i++)
-        {
-            //tab.user[i] = false;
-            copy.versionlist[i] = null;
-        }
+//        for (int i = copy.versionindex+1; i < copy.versionlist.length; i++)
+//        {
+//            //tab.user[i] = false;
+//            copy.versionlist[i] = null;
+//        }
 
         SetUndoStates();
         
@@ -3828,11 +4205,13 @@
             GetTree().addSelectionPath(selection.elementAt(i).GetTreePath().GetTreePath());
         flashIt = true;
         
-        refreshContents(false);
+        //refreshContents(false);
     }
 
-    void CopyChanged(Object3D obj)
+    void CopyChanged()
     {
+        Object3D obj = copy.versionlist[copy.versionindex];
+        
         SetUndoStates();
         
         boolean temp = CameraPane.SWITCH;
@@ -3875,13 +4254,15 @@
             }
         }
         
-        refreshContents();
+        refreshContents(true);
     }
     
-    cButton undoButton;
+    cButton previousVersionButton;
     cButton restoreButton;
     cButton replaceButton;
-    cButton redoButton;
+    cButton nextVersionButton;
+    cButton saveVersionButton;
+    cButton deleteVersionButton;
         
     boolean muteSlider;
     
@@ -3902,11 +4283,14 @@
     {
         cRadio tab = GetCurrentTab();
         
-        restoreButton.setEnabled(copy.versionindex != -1);
-        replaceButton.setEnabled(copy.versionindex != -1);
+        restoreButton.setEnabled(true); // copy.versionindex != -1);
+        replaceButton.setEnabled(true); // copy.versionindex != -1);
         
-        undoButton.setEnabled(copy.versionindex > 0);
-        redoButton.setEnabled(copy.versionlist[copy.versionindex + 1] != null);
+        previousVersionButton.setEnabled(copy.versionindex > 0);
+        nextVersionButton.setEnabled(copy.versionlist[copy.versionindex + 1] != null);
+        
+        deleteVersionButton.setEnabled(//copy.versionindex > 0 &&
+                                        copy.versionlist[copy.versionindex + 1] != null);
         
         muteSlider = true;
         versionSlider.setMaximum(VersionCount() - 1);
@@ -3914,7 +4298,7 @@
         muteSlider = false;
     }
     
-    public boolean Undo()
+    public boolean PreviousVersion()
     {
         // Option?
         Replace();
@@ -3944,7 +4328,7 @@
 
         copy.versionindex -= 1;
 
-        CopyChanged((Object3D)copy.versionlist[copy.versionindex]);
+        CopyChanged();
         
         return true;
     }
@@ -3962,7 +4346,7 @@
         }
 
         //CopyChanged((Object3D)Uncompress(copy.versions[copy.versionindex]));
-        CopyChanged(copy.versionlist[copy.versionindex]);
+        CopyChanged();
         
         return true;
     }
@@ -3984,7 +4368,7 @@
         return true;
     }
 
-    public void Redo()
+    public void NextVersion()
     {
         // Option?
         Replace();
@@ -3999,7 +4383,7 @@
 
         copy.versionindex += 1;
 
-        CopyChanged(copy.versionlist[copy.versionindex]);
+        CopyChanged();
         
         //if (!tab.user[tab.versionindex])
         //    tab.graphs[tab.versionindex] = null;
@@ -4312,7 +4696,8 @@
             
             if (copy.versionlist[version] != null)
             {
-                CopyChanged(copy.versionlist[copy.versionindex = version]);
+                copy.versionindex = version;
+                CopyChanged();
             }
             
             return;
@@ -4666,6 +5051,9 @@
             ctrlPanel.validate(); // ? new
             ctrlPanel.repaint();
         }
+        
+        if (previousVersionButton != null && copy.versionlist != null)
+            SetUndoStates();
     }
     
     static TweenManager tweenManager = new TweenManager();
@@ -5070,7 +5458,7 @@
     {
         if (Grafreed.standAlone)
         {
-            FileDialog browser = new FileDialog(frame, "Load", FileDialog.LOAD);
+            FileDialog browser = new FileDialog(frame, "Open", FileDialog.LOAD);
             browser.show();
             String filename = browser.getFile();
             if (filename != null && filename.length() > 0)
@@ -5389,6 +5777,7 @@
     ButtonGroup buttonGroup;
     
     cGridBag toolboxPanel;
+    cGridBag skyboxPanel;
     cGridBag materialPanel;
     cGridBag ctrlPanel;
     

--
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