tuned;

--- a/src/Tools/jEdit/src/jedit/PhaseOverviewPanel.scala	Tue Sep 15 19:50:10 2009 +0200
+++ b/src/Tools/jEdit/src/jedit/PhaseOverviewPanel.scala	Tue Sep 15 20:30:17 2009 +0200
@@ -9,13 +9,13 @@
 import isabelle.prover.{Prover, Command}
 import isabelle.proofdocument.ProofDocument
 
-import javax.swing._
-import java.awt.event._
-import java.awt._
+import javax.swing.{JPanel, ToolTipManager}
+import java.awt.event.{MouseAdapter, MouseEvent}
+import java.awt.{BorderLayout, Graphics, Dimension}
+
 import org.gjt.sp.jedit.gui.RolloverButton
 import org.gjt.sp.jedit.textarea.JEditTextArea
 import org.gjt.sp.jedit.buffer.JEditBuffer
-import org.gjt.sp.jedit._
 
 
 class PhaseOverviewPanel(
@@ -56,26 +56,20 @@
     else ""
   }
 
-  private def paint_command(command: Command, buffer: JEditBuffer,
-      doc: ProofDocument, gfx : Graphics) {
-    val line1 = buffer.getLineOfOffset(to_current(doc, command.start(doc)))
-    val line2 = buffer.getLineOfOffset(to_current(doc, command.stop(doc))) + 1
-    val y = line_to_y(line1)
-    val height = HEIGHT * (line2 - line1)
-    val color = TheoryView.choose_color(command, doc)
-
-    gfx.setColor(color)
-    gfx.fillRect(0, y, getWidth - 1, height)
-  }
-
   override def paintComponent(gfx: Graphics) {
     super.paintComponent(gfx)
     val buffer = text_area.getBuffer
     val theory_view = Isabelle.prover_setup(buffer).get.theory_view
-    val document = theory_view.current_document()
+    val doc = theory_view.current_document()
 
-    for (c <- document.commands)
-      paint_command(c, buffer, document, gfx)
+    for (command <- doc.commands) {
+      val line1 = buffer.getLineOfOffset(to_current(doc, command.start(doc)))
+      val line2 = buffer.getLineOfOffset(to_current(doc, command.stop(doc))) + 1
+      val y = line_to_y(line1)
+      val height = HEIGHT * (line2 - line1)
+      gfx.setColor(TheoryView.choose_color(command, doc))
+      gfx.fillRect(0, y, getWidth - 1, height)
+    }
   }
 
   override def getPreferredSize = new Dimension(WIDTH, 0)