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import java.io.*;
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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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File root;
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cFilter filter;
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public cFileSystemModel(File r)
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{
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root = r;
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}
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public cFileSystemModel(File r, cFilter f)
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{
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root = r;
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filter = f;
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}
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public void addTreeModelListener(TreeModelListener l)
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{
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}
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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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//System.out.println("child[" + index + "] = " + ((File) parent).listFiles(filter)[index]);
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File[] files = table.get(parent);
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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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java.util.Hashtable<File, File[]> table = new java.util.Hashtable<File, File[]>();
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public int getChildCount(Object parent)
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{
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if( isLeaf(parent) )
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return 0;
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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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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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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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{
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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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{
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return root;
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}
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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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{
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}
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public void valueForPathChanged(TreePath path, Object newValue)
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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 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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{
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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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setToolTipText("This book is in the Tutorial series.");
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return this;
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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);
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super.setText(new File(text).getName());
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}
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}
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}
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