Tree icons.

Normand Briere

2019-07-01 9079880942d022ee32fd3a543843e132e52deb1a

 cFileSystemModel.java
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@@ -1,10 +1,12 @@
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1
 
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 import java.io.*;
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+import javax.swing.Icon;
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 import javax.swing.event.*;
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 import javax.swing.tree.*;
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 class cFileSystemModel implements TreeModel
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 {
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+
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     File root;
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     cFilter filter;
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..
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@@ -23,88 +25,136 @@
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     {
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     }
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-    public Object getChild(Object parent, int index) 
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+    public Object getChild(Object parent, int index)
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     {
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         //new Exception().printStackTrace();
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-        
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+
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         //System.out.println("child[" + index + "] = " + ((File) parent).listFiles(filter)[index]);
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-        
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+
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         File[] files = table.get(parent);
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-        assert(files != null);
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+        assert (files != null);
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         //return ((File) parent).listFiles(filter)[index];
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         return files[index];
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-        
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-    }
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+    }
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     java.util.Hashtable<File, File[]> table = new java.util.Hashtable<File, File[]>();
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-    
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-    public int getChildCount(Object parent) 
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+
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+    public int getChildCount(Object parent)
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     {
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-        if( isLeaf(parent) )
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+        if (isLeaf(parent))
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+        {
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             return 0;
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-        else
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+        } else
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         {
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             //System.out.println(parent + " childcount = " + ((File) parent).listFiles(filter).length);
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             File[] files = table.get(parent);
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-            
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-            if(files == null)
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+
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+            if (files == null)
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             {
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                 files = ((File) parent).listFiles(filter);
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                 table.put(((File) parent), files);
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             }
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-            
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+
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             return files.length;
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         }
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     }
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-    public int getIndexOfChild(Object parent, Object child) 
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+    public int getIndexOfChild(Object parent, Object child)
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     {
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         assert false;
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         return 0;
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     }
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-    public Object getRoot() 
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+    public Object getRoot()
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     {
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         return root;
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     }
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-    public boolean isLeaf(Object node) 
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+    public boolean isLeaf(Object node)
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     {
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         return !((File) node).isDirectory();
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     }
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-    public void removeTreeModelListener(TreeModelListener l) 
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+    public void removeTreeModelListener(TreeModelListener l)
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     {
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     }
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-    public void valueForPathChanged(TreePath path, Object newValue) 
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+    public void valueForPathChanged(TreePath path, Object newValue)
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     {
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     }
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85
 
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+    static java.util.Hashtable<String, javax.swing.ImageIcon> icons = new java.util.Hashtable<String, javax.swing.ImageIcon>();
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+    
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+            
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     static class Renderer extends DefaultTreeCellRenderer
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     {
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-        public Renderer() {
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+
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+        public Renderer()
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+        {
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         }
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95
 
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         public java.awt.Component getTreeCellRendererComponent(
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-                            cTree tree,
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-                            Object value,
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-                            boolean sel,
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-                            boolean expanded,
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-                            boolean leaf,
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-                            int row,
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-                            boolean hasFocus)
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+                //cTree tree,
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+                javax.swing.JTree tree,
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+                Object value,
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+                boolean sel,
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+                boolean expanded,
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+                boolean leaf,
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+                int row,
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+                boolean hasFocus)
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         {
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-            System.out.println(value);
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+            //System.out.println(value);
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             super.getTreeCellRendererComponent(
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-                            tree, value, sel,
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-                            expanded, leaf, row,
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-                            hasFocus);
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+                    tree, value, sel,
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+                    expanded, leaf, row,
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+                    hasFocus);
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+            
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+            String valueString = value.toString();
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+            
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+            if (valueString.toLowerCase().endsWith(".gfd") || valueString.toLowerCase().endsWith(".obj") || valueString.toLowerCase().endsWith(".3ds"))
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+            {
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+                String valueTruncated = valueString.substring(0, valueString.length()-4);
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+                
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+                System.out.println(valueTruncated);
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+                
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+                javax.swing.ImageIcon rendererIcon = icons.get(valueTruncated);
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+                
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+                if (rendererIcon == null)
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+                {
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+                    if (new File(valueTruncated + ".jpg").exists())
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+                    {
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+                        rendererIcon = new javax.swing.ImageIcon(valueTruncated + ".jpg");
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+                    }
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+                    else
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+                    {
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+                        if (new File(valueTruncated + ".png").exists())
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+                        {
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+                            rendererIcon = new javax.swing.ImageIcon(valueTruncated + ".png");
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+                        }
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+                    }
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+                    
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+                    if (rendererIcon == null)
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+                    {
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+                        rendererIcon = new javax.swing.ImageIcon();
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+                    }
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+                    
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+                    icons.put(valueTruncated, rendererIcon);
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+                }
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+            
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+                setIcon(rendererIcon);
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+            }
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+            else
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+            {
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+                //setIcon(null);
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+//                Icon systemIcon = javax.swing.filechooser.FileSystemView.getFileSystemView().getSystemIcon( new File(valueString) );
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+//                setIcon(systemIcon);
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+            }
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+            
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             setToolTipText("This book is in the Tutorial series.");
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             return this;
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         }
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-        
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+
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         public void setText(String text)
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         {
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             //System.out.println(text);