1 files changed, 177 insertions, 0 deletions
diff --git a/java/ImageProcessing/framework/FileBrowser.java b/java/ImageProcessing/framework/FileBrowser.java
new file mode 100644
index 00000000000..776bf9d7ded
--- /dev/null
+++ b/java/ImageProcessing/framework/FileBrowser.java
@@ -0,0 +1,177 @@
+package imaging.framework;
+
+import java.awt.*;
+import java.awt.image.*;
+import gjt.Separator;
+import java.net.*;
+import java.applet.*;
+//import gjt.ComponentScroller;
+
+class FileNode extends Hierarchy
+{
+  public FileNode (String name, 
+		   Icon icon, 
+		   boolean root,
+		   ImageApp app)
+  {
+    super (name, icon, root);
+    this.app_ = app;
+  }
+
+  public FileNode (String name, 
+		   Icon icon, 
+		   ListFiles list,
+		   ImageApp app)
+  {
+    super (name, icon);
+    this.list_ = list;
+    this.app_ = app;
+  }
+
+  public ImageApp app ()
+  {
+    return this.app_;
+  }
+
+  public void handleEvent ()
+  {
+    String s = null;
+    String pString = "";
+    Hierarchy p = this.getHierarchyParent ();
+
+    while (p != null)
+      {
+	pString = p.getName () + pString;
+	p = p.getHierarchyParent ();
+      }
+
+    if (pString.endsWith ("/"))
+      s = "http://" +  pString + this.getName ();
+    else
+      s = "http://" + pString + "/" + this.getName ();
+
+    System.out.println ("Opening: " + s);
+
+    // If list is null, then it is a file, else it is a directory and
+    // use list to get the rest of the directory.
+    if (this.list_ == null)
+      this.app_.openURL (s);            // It is a file
+    else
+      this.list_.listFiles (s, this);	// It is a directory. 
+  }
+
+  private ListFiles list_ = null;
+  private ImageApp app_ = null;
+}
+
+class BrowserPanel extends Panel
+{
+  public BrowserPanel (ImageApp parent)
+  {
+    this.resize (300, 300);
+    this.parent_ = parent;
+    this.setLayout (new BorderLayout ());
+  }
+
+  public int initialize (String url, ListFiles list)
+  {
+    String directory = null;
+    int index = -1;
+
+    String pString = list.stripProtocolHeader (url);
+    if (!pString.endsWith ("/"))
+      pString = pString + "/";
+
+    try
+      {
+	Icon dirIcon = new Icon (this.parent_.getCodeBase () + "file03.gif", (Applet) this.parent_);
+	System.out.println (this.parent_.getCodeBase () + "file03.gif");
+	this.root_ = new FileNode (pString,
+				   dirIcon, true, this.parent_);
+      }
+    catch (MalformedURLException e)
+      {
+      }
+
+    int count = list.listFiles (url, this.root_);
+    //    System.out.println ("Count: " + count);
+    if (count > 0)
+      this.add ("Center", this.root_);
+    return count;
+    //    this.scroller_ = new HierarchyScroller (this.root_);
+    //    this.add ("East", this.scroller_);
+    //    this.scroller_.setComponent (this.root_);
+  }
+
+  public boolean handleEvent (Event evt)
+  {
+    if (evt.target == this.scroller_)
+      {
+	repaint ();
+	return true;
+      }
+    return super.handleEvent (evt);
+  }
+
+  private FileNode root_ = null;
+  private ImageApp parent_;
+  private HierarchyScroller scroller_;
+}
+
+class FileBrowser extends Frame
+{
+  public FileBrowser (String title, ImageApp parent)
+  {
+    super (title);
+    this.resize (300, 300);
+    this.browser_ = new BrowserPanel (parent);
+    this.setLayout (new BorderLayout ());
+
+    this.cancelButton_ = new Button (" cancel ");
+    Panel buttonPanel = new Panel ();
+    buttonPanel.add (this.cancelButton_);
+    buttonPanel.resize (100, 100);
+
+    Panel southPanel = new Panel ();
+    southPanel.setLayout (new BorderLayout ());
+    southPanel.add ("North", new Separator ());
+    southPanel.add ("South", buttonPanel);
+    this.add ("South", southPanel);
+    this.add ("Center", this.browser_);
+  }
+
+  public int initialize (String url, ListFiles list)
+  {
+    return this.browser_.initialize (url, list);
+  }
+
+  // Handle window destroy events
+  public boolean handleEvent (Event evt)
+  {
+    if (evt.id == Event.WINDOW_DESTROY)
+      {
+	this.dispose ();
+	return true;
+      }
+    return super.handleEvent (evt);
+  }
+
+  // Handle all action events
+  public boolean action (Event e, Object arg)
+  {
+    if (e.target instanceof Button)
+      {
+	if (e.target == this.cancelButton_)
+	  {
+	    this.dispose ();
+	  }
+	validate ();
+	return true;
+      }
+    else
+      return false;
+  }
+
+  private Button cancelButton_;;
+  private BrowserPanel browser_;
+}