src/Tools/jEdit/src/plugin.scala
author wenzelm
Wed Aug 31 14:39:41 2011 +0200 (2011-08-31)
changeset 44606 b625650aa2db
parent 44580 3bc9a215a56d
child 44609 6ec4a5eb2fc0
permissions -rw-r--r--
improved auto loading: selectable file list;
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/*  Title:      Tools/jEdit/src/plugin.scala
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    Author:     Makarius
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Main Isabelle/jEdit plugin setup.
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*/
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package isabelle.jedit
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import isabelle._
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import java.lang.System
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import java.awt.Font
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import javax.swing.JOptionPane
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import scala.collection.mutable
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import scala.swing.{ComboBox, ListView, ScrollPane}
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import scala.util.Sorting
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import org.gjt.sp.jedit.{jEdit, GUIUtilities, EBMessage, EBPlugin,
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  Buffer, EditPane, ServiceManager, View}
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import org.gjt.sp.jedit.buffer.JEditBuffer
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import org.gjt.sp.jedit.textarea.{JEditTextArea, TextArea}
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import org.gjt.sp.jedit.syntax.{Token => JEditToken, ModeProvider}
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import org.gjt.sp.jedit.msg.{EditorStarted, BufferUpdate, EditPaneUpdate, PropertiesChanged}
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import org.gjt.sp.jedit.gui.DockableWindowManager
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import org.gjt.sp.util.SyntaxUtilities
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import org.gjt.sp.util.Log
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import scala.actors.Actor
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import Actor._
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object Isabelle
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{
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  /* plugin instance */
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  var plugin: Plugin = null
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  var session: Session = null
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  /* properties */
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  val OPTION_PREFIX = "options.isabelle."
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  object Property
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  {
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    def apply(name: String): String =
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      jEdit.getProperty(OPTION_PREFIX + name)
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    def apply(name: String, default: String): String =
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      jEdit.getProperty(OPTION_PREFIX + name, default)
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    def update(name: String, value: String) =
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      jEdit.setProperty(OPTION_PREFIX + name, value)
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  }
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  object Boolean_Property
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  {
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    def apply(name: String): Boolean =
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      jEdit.getBooleanProperty(OPTION_PREFIX + name)
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    def apply(name: String, default: Boolean): Boolean =
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      jEdit.getBooleanProperty(OPTION_PREFIX + name, default)
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    def update(name: String, value: Boolean) =
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      jEdit.setBooleanProperty(OPTION_PREFIX + name, value)
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  }
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  object Int_Property
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  {
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    def apply(name: String): Int =
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      jEdit.getIntegerProperty(OPTION_PREFIX + name)
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    def apply(name: String, default: Int): Int =
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      jEdit.getIntegerProperty(OPTION_PREFIX + name, default)
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    def update(name: String, value: Int) =
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      jEdit.setIntegerProperty(OPTION_PREFIX + name, value)
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  }
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  object Double_Property
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  {
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    def apply(name: String): Double =
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      jEdit.getDoubleProperty(OPTION_PREFIX + name, 0.0)
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    def apply(name: String, default: Double): Double =
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      jEdit.getDoubleProperty(OPTION_PREFIX + name, default)
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    def update(name: String, value: Double) =
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      jEdit.setDoubleProperty(OPTION_PREFIX + name, value)
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  }
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  object Time_Property
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  {
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    def apply(name: String): Time =
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      Time.seconds(Double_Property(name))
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    def apply(name: String, default: Time): Time =
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      Time.seconds(Double_Property(name, default.seconds))
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    def update(name: String, value: Time) =
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      Double_Property.update(name, value.seconds)
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  }
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  /* font */
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  def font_family(): String = jEdit.getProperty("view.font")
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  def font_size(): Float =
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    (jEdit.getIntegerProperty("view.fontsize", 16) *
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      Int_Property("relative-font-size", 100)).toFloat / 100
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  /* text area ranges */
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  sealed case class Gfx_Range(val x: Int, val y: Int, val length: Int)
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  def gfx_range(text_area: TextArea, range: Text.Range): Option[Gfx_Range] =
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  {
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    val p = text_area.offsetToXY(range.start)
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    val q = text_area.offsetToXY(range.stop)
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    if (p != null && q != null && p.y == q.y) Some(new Gfx_Range(p.x, p.y, q.x - p.x))
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    else None
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  }
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  /* tooltip markup */
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  def tooltip(text: String): String =
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    "<html><pre style=\"font-family: " + font_family() + "; font-size: " +
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        Int_Property("tooltip-font-size", 10).toString + "px; \">" +  // FIXME proper scaling (!?)
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      HTML.encode(text) + "</pre></html>"
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  def tooltip_dismiss_delay(): Time =
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    Time_Property("tooltip-dismiss-delay", Time.seconds(8.0)) max Time.seconds(0.5)
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  def setup_tooltips()
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  {
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    Swing_Thread.now {
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      val manager = javax.swing.ToolTipManager.sharedInstance
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      manager.setDismissDelay(tooltip_dismiss_delay().ms.toInt)
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    }
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  }
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  /* icons */
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  def load_icon(name: String): javax.swing.Icon =
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  {
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    val icon = GUIUtilities.loadIcon(name)
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    if (icon.getIconWidth < 0 || icon.getIconHeight < 0)
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      Log.log(Log.ERROR, icon, "Bad icon: " + name)
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    icon
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  }
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  /* check JVM */
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  def check_jvm()
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  {
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    if (!Platform.is_hotspot) {
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      Library.warning_dialog(jEdit.getActiveView, "Bad Java Virtual Machine",
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        "This is " + Platform.jvm_name,
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        "Isabelle/jEdit requires Java Hotspot from Sun/Oracle/Apple!")
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    }
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  }
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  /* buffers */
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  def swing_buffer_lock[A](buffer: JEditBuffer)(body: => A): A =
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    Swing_Thread.now { buffer_lock(buffer) { body } }
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  def buffer_text(buffer: JEditBuffer): String =
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    buffer_lock(buffer) { buffer.getText(0, buffer.getLength) }
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  def buffer_name(buffer: Buffer): String = buffer.getSymlinkPath
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  def buffer_path(buffer: Buffer): (String, String) =
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    (buffer.getDirectory, buffer_name(buffer))
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  /* main jEdit components */
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  def jedit_buffers(): Iterator[Buffer] = jEdit.getBuffers().iterator
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  def jedit_buffer(name: String): Option[Buffer] =
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    jedit_buffers().find(buffer => buffer_name(buffer) == name)
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  def jedit_views(): Iterator[View] = jEdit.getViews().iterator
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  def jedit_text_areas(view: View): Iterator[JEditTextArea] =
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    view.getEditPanes().iterator.map(_.getTextArea)
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  def jedit_text_areas(): Iterator[JEditTextArea] =
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    jedit_views().flatMap(jedit_text_areas(_))
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  def jedit_text_areas(buffer: JEditBuffer): Iterator[JEditTextArea] =
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    jedit_text_areas().filter(_.getBuffer == buffer)
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  def buffer_lock[A](buffer: JEditBuffer)(body: => A): A =
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  {
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    try { buffer.readLock(); body }
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    finally { buffer.readUnlock() }
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  }
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  /* document model and view */
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  def document_model(buffer: Buffer): Option[Document_Model] = Document_Model(buffer)
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  def document_view(text_area: JEditTextArea): Option[Document_View] = Document_View(text_area)
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  def document_views(buffer: Buffer): List[Document_View] =
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    for {
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      text_area <- jedit_text_areas(buffer).toList
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      val doc_view = document_view(text_area)
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      if doc_view.isDefined
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    } yield doc_view.get
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  def init_model(buffer: Buffer)
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  {
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    swing_buffer_lock(buffer) {
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      val opt_model =
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        document_model(buffer) match {
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          case Some(model) => Some(model)
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          case None =>
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            val (master_dir, path) = buffer_path(buffer)
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            Thy_Header.thy_name(path) match {
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              case Some(name) =>
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                Some(Document_Model.init(session, buffer, master_dir, path, name))
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              case None => None
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            }
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        }
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      if (opt_model.isDefined) {
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        for (text_area <- jedit_text_areas(buffer)) {
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          if (document_view(text_area).map(_.model) != opt_model)
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            Document_View.init(opt_model.get, text_area)
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        }
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      }
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    }
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  }
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  def exit_model(buffer: Buffer)
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  {
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    swing_buffer_lock(buffer) {
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      jedit_text_areas(buffer).foreach(Document_View.exit)
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      Document_Model.exit(buffer)
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    }
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  }
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  def init_view(buffer: Buffer, text_area: JEditTextArea)
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  {
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    swing_buffer_lock(buffer) {
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      document_model(buffer) match {
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        case Some(model) => Document_View.init(model, text_area)
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        case None =>
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      }
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    }
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  }
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  def exit_view(buffer: Buffer, text_area: JEditTextArea)
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  {
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    swing_buffer_lock(buffer) {
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      Document_View.exit(text_area)
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    }
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  }
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  /* dockable windows */
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  private def wm(view: View): DockableWindowManager = view.getDockableWindowManager
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  def docked_session(view: View): Option[Session_Dockable] =
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    wm(view).getDockableWindow("isabelle-session") match {
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      case dockable: Session_Dockable => Some(dockable)
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      case _ => None
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    }
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  def docked_output(view: View): Option[Output_Dockable] =
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    wm(view).getDockableWindow("isabelle-output") match {
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      case dockable: Output_Dockable => Some(dockable)
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      case _ => None
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    }
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  def docked_raw_output(view: View): Option[Raw_Output_Dockable] =
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    wm(view).getDockableWindow("isabelle-raw-output") match {
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      case dockable: Raw_Output_Dockable => Some(dockable)
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      case _ => None
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    }
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  def docked_protocol(view: View): Option[Protocol_Dockable] =
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    wm(view).getDockableWindow("isabelle-protocol") match {
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      case dockable: Protocol_Dockable => Some(dockable)
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      case _ => None
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    }
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  /* logic image */
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  def default_logic(): String =
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  {
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    val logic = Isabelle_System.getenv("JEDIT_LOGIC")
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    if (logic != "") logic
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    else Isabelle_System.getenv_strict("ISABELLE_LOGIC")
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  }
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  class Logic_Entry(val name: String, val description: String)
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  {
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    override def toString = description
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  }
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  def logic_selector(logic: String): ComboBox[Logic_Entry] =
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  {
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    val entries =
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      new Logic_Entry("", "default (" + default_logic() + ")") ::
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        Isabelle_System.find_logics().map(name => new Logic_Entry(name, name))
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    val component = new ComboBox(entries)
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    entries.find(_.name == logic) match {
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      case None =>
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      case Some(entry) => component.selection.item = entry
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    }
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    component.tooltip = "Isabelle logic image"
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    component
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  }
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  def start_session()
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  {
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    val timeout = Time_Property("startup-timeout", Time.seconds(10)) max Time.seconds(5)
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    val modes = space_explode(',', Isabelle_System.getenv("JEDIT_PRINT_MODE")).map("-m" + _)
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    val logic = {
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      val logic = Property("logic")
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      if (logic != null && logic != "") logic
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      else Isabelle.default_logic()
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    }
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    session.start(timeout, modes ::: List(logic))
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  }
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  /* convenience actions */
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  private def user_input(text_area: JEditTextArea, s1: String, s2: String = "")
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  {
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    s1.foreach(text_area.userInput(_))
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    s2.foreach(text_area.userInput(_))
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    s2.foreach(_ => text_area.goToPrevCharacter(false))
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  }
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  def input_sub(text_area: JEditTextArea): Unit = user_input(text_area, Symbol.sub_decoded)
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  def input_sup(text_area: JEditTextArea): Unit = user_input(text_area, Symbol.sup_decoded)
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  def input_isub(text_area: JEditTextArea): Unit = user_input(text_area, Symbol.isub_decoded)
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  def input_isup(text_area: JEditTextArea): Unit = user_input(text_area, Symbol.isup_decoded)
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  def input_bsub(text_area: JEditTextArea): Unit = user_input(text_area, Symbol.bsub_decoded, Symbol.esub_decoded)
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  def input_bsup(text_area: JEditTextArea): Unit = user_input(text_area, Symbol.bsup_decoded, Symbol.esup_decoded)
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  def input_bold(text_area: JEditTextArea): Unit = user_input(text_area, Symbol.bold_decoded)
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}
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class Plugin extends EBPlugin
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{
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  /* theory files */
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  val thy_load = new JEdit_Thy_Load
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  val thy_info = new Thy_Info(thy_load)
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  private lazy val delay_load =
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    Swing_Thread.delay_last(Isabelle.session.load_delay)
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    {
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   361
      val buffers = Isabelle.jedit_buffers().toList
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   362
      def loaded_buffer(name: String): Boolean =
wenzelm@44574
   363
        buffers.exists(buffer => Isabelle.buffer_name(buffer) == name)
wenzelm@44574
   364
wenzelm@44574
   365
      val thys =
wenzelm@44574
   366
        for (buffer <- buffers; model <- Isabelle.document_model(buffer))
wenzelm@44574
   367
          yield (model.master_dir, model.thy_name)
wenzelm@44574
   368
      val files = thy_info.dependencies(thys).map(_._1).filterNot(loaded_buffer _)
wenzelm@44574
   369
wenzelm@44606
   370
      if (!files.isEmpty) {
wenzelm@44606
   371
        val files_sorted = { val a = files.toArray; Sorting.quickSort(a); a.toList }
wenzelm@44606
   372
        val files_list = new ListView(files_sorted)
wenzelm@44606
   373
        for (i <- 0 until files_sorted.length)
wenzelm@44606
   374
          files_list.selection.indices += i
wenzelm@44606
   375
wenzelm@44606
   376
        val answer =
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   377
          Library.confirm_dialog(jEdit.getActiveView(),
wenzelm@44573
   378
            "Auto loading of required files",
wenzelm@44573
   379
            JOptionPane.YES_NO_OPTION,
wenzelm@44606
   380
            "The following files are required to resolve theory imports.",
wenzelm@44606
   381
            "Reload selected files now?",
wenzelm@44606
   382
            new ScrollPane(files_list))
wenzelm@44606
   383
        if (answer == 0)
wenzelm@44606
   384
          files_list.selection.items foreach (file =>
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   385
            if (!loaded_buffer(file)) jEdit.openFile(null: View, file))
wenzelm@44606
   386
      }
wenzelm@44574
   387
    }
wenzelm@44573
   388
wenzelm@44574
   389
wenzelm@44574
   390
  /* session manager */
wenzelm@44573
   391
wenzelm@39633
   392
  private val session_manager = actor {
wenzelm@39633
   393
    loop {
wenzelm@39633
   394
      react {
wenzelm@39735
   395
        case phase: Session.Phase =>
wenzelm@39735
   396
          phase match {
wenzelm@39735
   397
            case Session.Failed =>
wenzelm@39735
   398
              Swing_Thread.now {
wenzelm@39735
   399
                val text = new scala.swing.TextArea(Isabelle.session.syslog())
wenzelm@39735
   400
                text.editable = false
wenzelm@39735
   401
                Library.error_dialog(jEdit.getActiveView, "Failed to start Isabelle process", text)
wenzelm@39735
   402
              }
wenzelm@39735
   403
wenzelm@44573
   404
            case Session.Ready =>
wenzelm@44573
   405
              Isabelle.jedit_buffers.foreach(Isabelle.init_model)
wenzelm@44573
   406
              delay_load()
wenzelm@44573
   407
wenzelm@43510
   408
            case Session.Shutdown => Isabelle.jedit_buffers.foreach(Isabelle.exit_model)
wenzelm@39735
   409
            case _ =>
wenzelm@39735
   410
          }
wenzelm@39735
   411
        case bad => System.err.println("session_manager: ignoring bad message " + bad)
wenzelm@39630
   412
      }
wenzelm@39630
   413
    }
wenzelm@39630
   414
  }
wenzelm@39630
   415
wenzelm@39630
   416
wenzelm@34618
   417
  /* main plugin plumbing */
wenzelm@34433
   418
wenzelm@34767
   419
  override def handleMessage(message: EBMessage)
wenzelm@34618
   420
  {
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   421
    Swing_Thread.assert()
wenzelm@34767
   422
    message match {
wenzelm@41383
   423
      case msg: EditorStarted =>
wenzelm@43510
   424
        Isabelle.check_jvm()
wenzelm@43510
   425
        if (Isabelle.Boolean_Property("auto-start"))
wenzelm@43510
   426
          Isabelle.start_session()
wenzelm@39630
   427
wenzelm@37557
   428
      case msg: BufferUpdate
wenzelm@44434
   429
      if msg.getWhat == BufferUpdate.LOADED =>
wenzelm@44573
   430
        if (Isabelle.session.is_ready) {
wenzelm@44573
   431
          val buffer = msg.getBuffer
wenzelm@44573
   432
          if (buffer != null) Isabelle.init_model(buffer)
wenzelm@44573
   433
          delay_load()
wenzelm@44573
   434
        }
wenzelm@37557
   435
wenzelm@39634
   436
      case msg: EditPaneUpdate
wenzelm@39735
   437
      if (msg.getWhat == EditPaneUpdate.BUFFER_CHANGING ||
wenzelm@39637
   438
          msg.getWhat == EditPaneUpdate.BUFFER_CHANGED ||
wenzelm@39634
   439
          msg.getWhat == EditPaneUpdate.CREATED ||
wenzelm@39634
   440
          msg.getWhat == EditPaneUpdate.DESTROYED) =>
wenzelm@34784
   441
        val edit_pane = msg.getEditPane
wenzelm@34784
   442
        val buffer = edit_pane.getBuffer
wenzelm@34784
   443
        val text_area = edit_pane.getTextArea
wenzelm@34784
   444
wenzelm@39637
   445
        if (buffer != null && text_area != null) {
wenzelm@39735
   446
          if (msg.getWhat == EditPaneUpdate.BUFFER_CHANGED ||
wenzelm@43510
   447
              msg.getWhat == EditPaneUpdate.CREATED) {
wenzelm@43643
   448
            if (Isabelle.session.is_ready)
wenzelm@43510
   449
              Isabelle.init_view(buffer, text_area)
wenzelm@43510
   450
          }
wenzelm@43510
   451
          else Isabelle.exit_view(buffer, text_area)
immler@34671
   452
        }
wenzelm@34784
   453
wenzelm@34777
   454
      case msg: PropertiesChanged =>
wenzelm@43390
   455
        Swing_Thread.now { Isabelle.setup_tooltips() }
wenzelm@34791
   456
        Isabelle.session.global_settings.event(Session.Global_Settings)
wenzelm@34784
   457
wenzelm@34318
   458
      case _ =>
wenzelm@34318
   459
    }
wenzelm@34318
   460
  }
wenzelm@34318
   461
wenzelm@34618
   462
  override def start()
wenzelm@34618
   463
  {
wenzelm@43443
   464
    Isabelle.plugin = this
wenzelm@39630
   465
    Isabelle.setup_tooltips()
wenzelm@43661
   466
    Isabelle_System.init()
wenzelm@43661
   467
    Isabelle_System.install_fonts()
wenzelm@44574
   468
    Isabelle.session = new Session(thy_load)
wenzelm@43661
   469
    SyntaxUtilities.setStyleExtender(new Token_Markup.Style_Extender)
wenzelm@43513
   470
    if (ModeProvider.instance.isInstanceOf[ModeProvider])
wenzelm@43513
   471
      ModeProvider.instance = new Token_Markup.Mode_Provider(ModeProvider.instance)
wenzelm@39633
   472
    Isabelle.session.phase_changed += session_manager
wenzelm@34318
   473
  }
wenzelm@34618
   474
wenzelm@39628
   475
  override def stop()
wenzelm@34618
   476
  {
wenzelm@43513
   477
    Isabelle.session.phase_changed -= session_manager
wenzelm@43513
   478
    Isabelle.jedit_buffers.foreach(Isabelle.exit_model)
wenzelm@39628
   479
    Isabelle.session.stop()
wenzelm@34318
   480
  }
wenzelm@34318
   481
}