src/Tools/jEdit/src/session_dockable.scala
author wenzelm
Sat Sep 10 20:39:13 2011 +0200 (2011-09-10)
changeset 44867 79d3d74e7cbb
parent 44866 0eb8284a64bd
child 44957 098dd95349e7
permissions -rw-r--r--
stronger colors (as background);
     1 /*  Title:      Tools/jEdit/src/session_dockable.scala
     2     Author:     Makarius
     3 
     4 Dockable window for prover session management.
     5 */
     6 
     7 package isabelle.jedit
     8 
     9 
    10 import isabelle._
    11 
    12 import scala.actors.Actor._
    13 import scala.swing.{FlowPanel, Button, TextArea, Label, ListView,
    14   ScrollPane, TabbedPane, Component, Swing}
    15 import scala.swing.event.{ButtonClicked, SelectionChanged}
    16 
    17 import java.lang.System
    18 import java.awt.{BorderLayout, Graphics}
    19 import javax.swing.{JList, DefaultListCellRenderer}
    20 import javax.swing.border.{BevelBorder, SoftBevelBorder}
    21 
    22 import org.gjt.sp.jedit.{View, jEdit}
    23 
    24 
    25 class Session_Dockable(view: View, position: String) extends Dockable(view: View, position: String)
    26 {
    27   /* main tabs */
    28 
    29   private val readme = new HTML_Panel("SansSerif", 14)
    30   readme.render_document(Isabelle_System.try_read(List(Path.explode("$JEDIT_HOME/README.html"))))
    31 
    32   val status = new ListView(Nil: List[String])
    33   status.peer.setLayoutOrientation(JList.VERTICAL_WRAP)
    34   status.selection.intervalMode = ListView.IntervalMode.Single
    35 
    36   private val syslog = new TextArea(Isabelle.session.syslog())
    37 
    38   private val tabs = new TabbedPane {
    39     pages += new TabbedPane.Page("README", Component.wrap(readme))
    40     pages += new TabbedPane.Page("Theory Status", new ScrollPane(status))
    41     pages += new TabbedPane.Page("System Log", new ScrollPane(syslog))
    42 
    43     selection.index =
    44     {
    45       val index = Isabelle.Int_Property("session-panel.selection", 0)
    46       if (index >= pages.length) 0 else index
    47     }
    48     listenTo(selection)
    49     reactions += {
    50       case SelectionChanged(_) =>
    51         Isabelle.Int_Property("session-panel.selection") = selection.index
    52     }
    53   }
    54 
    55   set_content(tabs)
    56 
    57 
    58   /* controls */
    59 
    60   val session_phase = new Label(Isabelle.session.phase.toString)
    61   session_phase.border = new SoftBevelBorder(BevelBorder.LOWERED)
    62   session_phase.tooltip = "Prover status"
    63 
    64   private val cancel = new Button("Cancel") {
    65     reactions += { case ButtonClicked(_) => Isabelle.cancel_execution() }
    66   }
    67   cancel.tooltip = jEdit.getProperty("isabelle.cancel-execution.label")
    68 
    69   private val check = new Button("Check") {
    70     reactions += { case ButtonClicked(_) => Isabelle.check_buffer(view.getBuffer) }
    71   }
    72   check.tooltip = jEdit.getProperty("isabelle.check-buffer.label")
    73 
    74   private val logic = Isabelle.logic_selector(Isabelle.Property("logic"))
    75   logic.listenTo(logic.selection)
    76   logic.reactions += {
    77     case SelectionChanged(_) => Isabelle.Property("logic") = logic.selection.item.name
    78   }
    79 
    80   private val controls =
    81     new FlowPanel(FlowPanel.Alignment.Right)(check, cancel, session_phase, logic)
    82   add(controls.peer, BorderLayout.NORTH)
    83 
    84 
    85   /* component state -- owned by Swing thread */
    86 
    87   private var nodes_status: Map[Document.Node.Name, Isar_Document.Node_Status] = Map.empty
    88 
    89   val node_renderer = new DefaultListCellRenderer
    90   {
    91     override def paintComponent(gfx: Graphics)
    92     {
    93       nodes_status.get(Document.Node.Name(getText, "", "")) match {
    94         case Some(st) if st.total > 0 =>
    95           val w = getWidth
    96           val h = getHeight
    97           var end = w
    98           for {
    99             (n, color) <- List(
   100               (st.unprocessed, Isabelle_Markup.unprocessed1_color),
   101               (st.running, Isabelle_Markup.running_color),
   102               (st.failed, Isabelle_Markup.error_color)) }
   103           {
   104             gfx.setColor(color)
   105             val v = (n * w / st.total) max (if (n > 0) 2 else 0)
   106             gfx.fillRect(end - v, 0, v, h)
   107             end -= v
   108           }
   109         case _ =>
   110       }
   111       super.paintComponent(gfx)
   112     }
   113   }
   114 
   115   status.peer.setCellRenderer(node_renderer)
   116 
   117   private def handle_changed(changed_nodes: Set[Document.Node.Name])
   118   {
   119     Swing_Thread.now {
   120       // FIXME correlation to changed_nodes!?
   121       val state = Isabelle.session.current_state()
   122       val version = state.recent_stable.version.get_finished
   123 
   124       var nodes_status1 = nodes_status
   125       for {
   126         name <- changed_nodes
   127         node <- version.nodes.get(name)
   128         val status = Isar_Document.node_status(state, version, node)
   129       } nodes_status1 += (name -> status)
   130 
   131       if (nodes_status != nodes_status1) {
   132         nodes_status = nodes_status1
   133         status.listData =
   134           Library.sort_wrt((name: Document.Node.Name) => name.node, nodes_status.keySet.toList)
   135             .map(_.node)
   136       }
   137     }
   138   }
   139 
   140 
   141   /* main actor */
   142 
   143   private val main_actor = actor {
   144     loop {
   145       react {
   146         case result: Isabelle_Process.Result =>
   147           if (result.is_syslog)
   148             Swing_Thread.now {
   149               val text = Isabelle.session.syslog()
   150               if (text != syslog.text) {
   151                 syslog.text = text
   152               }
   153             }
   154 
   155         case phase: Session.Phase =>
   156           Swing_Thread.now { session_phase.text = " " + phase.toString + " " }
   157 
   158         case changed: Session.Commands_Changed => handle_changed(changed.nodes)
   159 
   160         case bad => System.err.println("Session_Dockable: ignoring bad message " + bad)
   161       }
   162     }
   163   }
   164 
   165   override def init() {
   166     Isabelle.session.syslog_messages += main_actor
   167     Isabelle.session.phase_changed += main_actor
   168     Isabelle.session.commands_changed += main_actor
   169   }
   170 
   171   override def exit() {
   172     Isabelle.session.syslog_messages -= main_actor
   173     Isabelle.session.phase_changed -= main_actor
   174     Isabelle.session.commands_changed -= main_actor
   175   }
   176 }