src/Tools/jEdit/src/session_dockable.scala
author wenzelm
Mon Sep 19 21:53:07 2011 +0200 (2011-09-19)
changeset 44990 3aa261a3c7d6
parent 44989 5450ab3c677e
child 44991 d88f7fc62a40
permissions -rw-r--r--
tuned;
     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, Alignment,
    14   ScrollPane, TabbedPane, Component, Swing}
    15 import scala.swing.event.{ButtonClicked, SelectionChanged}
    16 
    17 import java.lang.System
    18 import java.awt.{BorderLayout, Graphics2D, Insets}
    19 import javax.swing.{JList, DefaultListCellRenderer, BorderFactory}
    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[Document.Node.Name])
    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   private object Node_Renderer_Component extends Label
    90   {
    91     opaque = false
    92     xAlignment = Alignment.Leading
    93     border = BorderFactory.createEmptyBorder(2, 2, 2, 2)
    94 
    95     var node_name = Document.Node.Name.empty
    96     override def paintComponent(gfx: Graphics2D)
    97     {
    98       nodes_status.get(node_name) match {
    99         case Some(st) if st.total > 0 =>
   100           val size = peer.getSize()
   101           val insets = border.getBorderInsets(this.peer)
   102           val w = size.width - insets.left - insets.right
   103           val h = size.height - insets.top - insets.bottom
   104           var end = size.width - insets.right
   105           for {
   106             (n, color) <- List(
   107               (st.unprocessed, Isabelle_Markup.unprocessed1_color),
   108               (st.running, Isabelle_Markup.running_color),
   109               (st.failed, Isabelle_Markup.error_color)) }
   110           {
   111             gfx.setColor(color)
   112             val v = (n * w / st.total) max (if (n > 0) 2 else 0)
   113             gfx.fillRect(end - v, insets.top, v, h)
   114             end -= v
   115           }
   116         case _ =>
   117       }
   118       super.paintComponent(gfx)
   119     }
   120   }
   121 
   122   private class Node_Renderer extends ListView.Renderer[Document.Node.Name]
   123   {
   124     def componentFor(list: ListView[_], isSelected: Boolean, focused: Boolean,
   125       name: Document.Node.Name, index: Int): Component =
   126     {
   127       val component = Node_Renderer_Component
   128       component.node_name = name
   129       component.text = name.theory
   130       component
   131     }
   132   }
   133   status.renderer = new Node_Renderer
   134 
   135   private def handle_changed(changed_nodes: Set[Document.Node.Name])
   136   {
   137     Swing_Thread.now {
   138       // FIXME correlation to changed_nodes!?
   139       val snapshot = Isabelle.session.snapshot()
   140 
   141       var nodes_status1 = nodes_status
   142       for {
   143         name <- changed_nodes
   144         node <- snapshot.version.nodes.get(name)
   145         val status = Isar_Document.node_status(snapshot.state, snapshot.version, node)
   146       } nodes_status1 += (name -> status)
   147 
   148       if (nodes_status != nodes_status1) {
   149         nodes_status = nodes_status1
   150         status.listData =
   151           snapshot.version.topological_order.filter(
   152             (name: Document.Node.Name) => nodes_status.isDefinedAt(name))
   153       }
   154     }
   155   }
   156 
   157 
   158   /* main actor */
   159 
   160   private val main_actor = actor {
   161     loop {
   162       react {
   163         case result: Isabelle_Process.Result =>
   164           if (result.is_syslog)
   165             Swing_Thread.now {
   166               val text = Isabelle.session.syslog()
   167               if (text != syslog.text) {
   168                 syslog.text = text
   169               }
   170             }
   171 
   172         case phase: Session.Phase =>
   173           Swing_Thread.now { session_phase.text = " " + phase.toString + " " }
   174 
   175         case changed: Session.Commands_Changed => handle_changed(changed.nodes)
   176 
   177         case bad => System.err.println("Session_Dockable: ignoring bad message " + bad)
   178       }
   179     }
   180   }
   181 
   182   override def init() {
   183     Isabelle.session.syslog_messages += main_actor
   184     Isabelle.session.phase_changed += main_actor
   185     Isabelle.session.commands_changed += main_actor
   186   }
   187 
   188   override def exit() {
   189     Isabelle.session.syslog_messages -= main_actor
   190     Isabelle.session.phase_changed -= main_actor
   191     Isabelle.session.commands_changed -= main_actor
   192   }
   193 }