src/Tools/jEdit/src/session_dockable.scala
author wenzelm
Wed Aug 31 17:36:10 2011 +0200 (2011-08-31)
changeset 44609 6ec4a5eb2fc0
parent 44335 156be0e43336
child 44613 a3255c85327b
permissions -rw-r--r--
some support for theory status overview;
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/*  Title:      Tools/jEdit/src/session_dockable.scala
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    Author:     Makarius
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Dockable window for prover session management.
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*/
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package isabelle.jedit
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import isabelle._
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import scala.actors.Actor._
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import scala.swing.{FlowPanel, Button, TextArea, Label, ListView,
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  ScrollPane, TabbedPane, Component, Swing}
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import scala.swing.event.{ButtonClicked, SelectionChanged}
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import java.lang.System
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import java.awt.BorderLayout
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import javax.swing.JList
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import javax.swing.border.{BevelBorder, SoftBevelBorder}
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import org.gjt.sp.jedit.View
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class Session_Dockable(view: View, position: String) extends Dockable(view: View, position: String)
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{
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  /* main tabs */
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  private val readme = new HTML_Panel("SansSerif", 14)
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  readme.render_document(Isabelle_System.try_read(List(Path.explode("$JEDIT_HOME/README.html"))))
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  val status = new ListView(Nil: List[String])
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  status.peer.setLayoutOrientation(JList.VERTICAL_WRAP)
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  status.selection.intervalMode = ListView.IntervalMode.Single
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  private val syslog = new TextArea(Isabelle.session.syslog())
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  private val tabs = new TabbedPane {
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    pages += new TabbedPane.Page("README", Component.wrap(readme))
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    pages += new TabbedPane.Page("Theory Status", new ScrollPane(status))
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    pages += new TabbedPane.Page("System Log", new ScrollPane(syslog))
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    selection.index =
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    {
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      val index = Isabelle.Int_Property("session-panel.selection", 0)
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      if (index >= pages.length) 0 else index
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    }
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    listenTo(selection)
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    reactions += {
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      case SelectionChanged(_) =>
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        Isabelle.Int_Property("session-panel.selection") = selection.index
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    }
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  }
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  set_content(tabs)
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  /* controls */
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  val session_phase = new Label(Isabelle.session.phase.toString)
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  session_phase.border = new SoftBevelBorder(BevelBorder.LOWERED)
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  session_phase.tooltip = "Prover status"
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  private val logic = Isabelle.logic_selector(Isabelle.Property("logic"))
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  logic.listenTo(logic.selection)
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  logic.reactions += {
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    case SelectionChanged(_) => Isabelle.Property("logic") = logic.selection.item.name
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  }
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  private val controls = new FlowPanel(FlowPanel.Alignment.Right)(session_phase, logic)
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  add(controls.peer, BorderLayout.NORTH)
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  /* component state -- owned by Swing thread */
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  private var nodes: Set[String] = Set.empty
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  private def handle_changed(changed_nodes: Set[String])
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  {
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    Swing_Thread.now {
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      val nodes1 = nodes ++ changed_nodes
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      if (nodes1 != nodes) {
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        nodes = nodes1
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        status.listData = Library.sort_strings(nodes.toList)
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      }
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    }
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  }
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  /* main actor */
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  private val main_actor = actor {
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    loop {
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      react {
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        case input: Isabelle_Process.Input =>
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        case result: Isabelle_Process.Result =>
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          if (result.is_syslog)
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            Swing_Thread.now {
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              val text = Isabelle.session.syslog()
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              if (text != syslog.text) {
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                syslog.text = text
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              }
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            }
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        case phase: Session.Phase =>
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          Swing_Thread.now { session_phase.text = " " + phase.toString + " " }
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        case changed: Session.Commands_Changed => handle_changed(changed.nodes)
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        case bad => System.err.println("Session_Dockable: ignoring bad message " + bad)
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      }
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    }
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  }
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  override def init() {
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    Isabelle.session.raw_messages += main_actor
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    Isabelle.session.phase_changed += main_actor
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    Isabelle.session.commands_changed += main_actor
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  }
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  override def exit() {
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    Isabelle.session.raw_messages -= main_actor
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    Isabelle.session.phase_changed -= main_actor
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    Isabelle.session.commands_changed -= main_actor
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  }
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}