Added my embryonic javax.swing implementation,

since there are no makefiles for it yet nobody should
notice its addition (it shouldn't break anything by adding it this early)
R.

1 files changed, 144 insertions, 0 deletions

diff --git a/javax/swing/DefaultListSelectionModel.java b/javax/swing/DefaultListSelectionModel.java
new file mode 100644
index 000000000..b6cd70175
--- /dev/null
+++ b/javax/swing/DefaultListSelectionModel.java
@@ -0,0 +1,144 @@
+package javax.swing;
+
+import javax.swing.event.*;
+import java.util.*;
+
+public class DefaultListSelectionModel implements ListSelectionModel
+{
+    int mode = SINGLE_SELECTION;
+
+    Vector sel = new Vector();
+
+    Vector listeners;
+
+    Vector get_listeners()
+    {
+	if (listeners == null)
+	    listeners = new Vector();
+	return listeners;
+    }
+    
+
+    public void addListSelectionListener(ListSelectionListener listener)
+    {
+	get_listeners().addElement(listener);
+    }
+
+    public void removeListSelectionListener(ListSelectionListener listener)
+    {
+	get_listeners().removeElement(listener);
+    }
+    
+    class Range
+    {
+	int i0, i1;
+
+	Range(int a, int b)
+	{
+	    if (a > b)
+		{
+		    i0 = b;
+		    i1 = a;
+		}
+	    else
+		{
+		    i0 = a; 
+		    i1 = b;
+		}
+	}
+    }
+
+    
+    public int getMinSelectionIndex()
+    {
+	if (isSelectionEmpty())
+	    return -1;
+	
+	boolean first = true;
+	int min = -1;
+	for (int i=0;i<sel.size();i++)
+	    {
+		Range r = (Range) sel.get(i);
+
+		if (first)
+		    {
+			min = r.i0;
+			first = false;
+		    }	
+		else
+		    {
+			if (r.i0 > min)
+			    {
+				min = r.i0;
+			    }
+		    }
+	    }
+	return min;
+    }
+
+    public int getMaxSelectionIndex()
+    {
+	if (isSelectionEmpty())
+	    return -1;
+
+	boolean first = true;
+	int max = -1;
+	for (int i=1;i<sel.size();i++)
+	    {
+		Range r = (Range) sel.get(i);
+		
+		if (first)
+		    {
+			max = r.i1;
+		    }
+		else
+		    {
+			if (r.i1 > max)
+			    {
+				max = r.i1;
+			    }
+		    }
+	    }
+	return max;
+    }
+
+    public boolean isSelectedIndex(int a)
+    {
+	for (int i=0;i<sel.size();i++)
+	    {
+		Range r = (Range) sel.get(i);
+		if (r.i0 <= a &&
+		    r.i1 >= a)
+		    {
+			return true;
+		    }
+	    }
+	return false;
+    }
+
+
+    public int getSelectionMode()
+    { return mode; }
+    public void setSelectionMode(int a)
+    {	mode = a;    }
+
+    boolean isSelectionEmpty() 
+    {
+	return sel.size() == 0;
+    }
+
+    public void clearSelection()
+    {
+	sel.removeAllElements();
+    }
+
+    public void setSelectionInterval(int index0, int index1) 
+    {
+	if (mode == SINGLE_SELECTION)
+	    {
+		sel.removeAllElements();
+	    }
+
+	sel.addElement(new Range(index0, index1));
+    }
+}