src/Tools/jEdit/src/plugin.scala
author wenzelm
Sun, 03 May 2015 00:01:10 +0200
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/*  Title:      Tools/jEdit/src/plugin.scala
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    Author:     Makarius
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Main plumbing for PIDE infrastructure as jEdit plugin.
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*/
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package isabelle.jedit
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import isabelle._
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import javax.swing.JOptionPane
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import scala.swing.{ListView, ScrollPane}
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import org.gjt.sp.jedit.{jEdit, EBMessage, EBPlugin, Buffer, View, Debug, PerspectiveManager}
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import org.jedit.options.CombinedOptions
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import org.gjt.sp.jedit.gui.AboutDialog
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import org.gjt.sp.jedit.textarea.{JEditTextArea, TextArea}
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import org.gjt.sp.jedit.buffer.JEditBuffer
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import org.gjt.sp.jedit.syntax.ModeProvider
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import org.gjt.sp.jedit.msg.{EditorStarted, BufferUpdate, EditPaneUpdate, PropertiesChanged}
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import org.gjt.sp.util.SyntaxUtilities
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object PIDE
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{
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  /* plugin instance */
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  val options = new JEdit_Options
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  val completion_history = new Completion.History_Variable
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  val spell_checker = new Spell_Checker_Variable
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  @volatile var startup_failure: Option[Throwable] = None
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  @volatile var startup_notified = false
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  @volatile var plugin: Plugin = null
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  @volatile var session: Session =
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    new Session(new JEdit_Resources(Set.empty, Map.empty, Outer_Syntax.empty))
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  def options_changed() { plugin.options_changed() }
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  def deps_changed() { plugin.deps_changed() }
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  def resources(): JEdit_Resources =
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    session.resources.asInstanceOf[JEdit_Resources]
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  lazy val editor = new JEdit_Editor
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  /* popups */
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  def dismissed_popups(view: View): Boolean =
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  {
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    var dismissed = false
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    JEdit_Lib.jedit_text_areas(view).foreach(text_area =>
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      if (Completion_Popup.Text_Area.dismissed(text_area)) dismissed = true)
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    if (Pretty_Tooltip.dismissed_all()) dismissed = true
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    dismissed
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  }
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  /* document model and view */
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  def document_model(buffer: JEditBuffer): Option[Document_Model] =
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    buffer match {
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      case b: Buffer => Document_Model(b)
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      case _ => None
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    }
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  def document_view(text_area: TextArea): 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_Lib.jedit_text_areas(buffer).toList
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      doc_view <- document_view(text_area)
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    } yield doc_view
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  def document_models(): List[Document_Model] =
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    for {
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      buffer <- JEdit_Lib.jedit_buffers().toList
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      model <- document_model(buffer)
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    } yield model
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  def document_blobs(): Document.Blobs =
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    Document.Blobs(
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      (for {
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        buffer <- JEdit_Lib.jedit_buffers()
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        model <- document_model(buffer)
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        blob <- model.get_blob()
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      } yield (model.node_name -> blob)).toMap)
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  def exit_models(buffers: List[Buffer])
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  {
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    GUI_Thread.now {
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      PIDE.editor.flush()
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      buffers.foreach(buffer =>
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        JEdit_Lib.buffer_lock(buffer) {
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          JEdit_Lib.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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  }
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  def init_models()
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  {
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    GUI_Thread.now {
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      PIDE.editor.flush()
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      for {
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        buffer <- JEdit_Lib.jedit_buffers()
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        if buffer != null && !buffer.isLoading && !buffer.getBooleanProperty(Buffer.GZIPPED)
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      } {
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        JEdit_Lib.buffer_lock(buffer) {
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          val node_name = resources.node_name(buffer)
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          val model = Document_Model.init(session, buffer, node_name, document_model(buffer))
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          for {
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            text_area <- JEdit_Lib.jedit_text_areas(buffer)
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            if document_view(text_area).map(_.model) != Some(model)
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          } Document_View.init(model, text_area)
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        }
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      }
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      PIDE.editor.invoke()
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    }
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  }
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  def init_view(buffer: Buffer, text_area: JEditTextArea): Unit =
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    GUI_Thread.now {
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      JEdit_Lib.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): Unit =
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    GUI_Thread.now {
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      JEdit_Lib.buffer_lock(buffer) {
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        Document_View.exit(text_area)
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      }
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    }
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  /* current document content */
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  def snapshot(view: View): Document.Snapshot = GUI_Thread.now
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  {
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    val buffer = view.getBuffer
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    document_model(buffer) match {
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      case Some(model) => model.snapshot
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      case None => error("No document model for current buffer")
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    }
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  }
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  def rendering(view: View): Rendering = GUI_Thread.now
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  {
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    val text_area = view.getTextArea
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    document_view(text_area) match {
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      case Some(doc_view) => doc_view.get_rendering()
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      case None => error("No document view for current text area")
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    }
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  }
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}
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class Plugin extends EBPlugin
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{
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  /* global changes */
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  def options_changed()
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  {
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    PIDE.session.global_options.post(Session.Global_Options(PIDE.options.value))
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    delay_load.invoke()
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  }
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  def deps_changed()
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  {
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    delay_load.invoke()
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  }
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  /* theory files */
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  private lazy val delay_init =
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    GUI_Thread.delay_last(PIDE.options.seconds("editor_load_delay"))
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    {
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      PIDE.init_models()
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    }
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  private val delay_load_active = Synchronized(false)
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  private def delay_load_activated(): Boolean =
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    delay_load_active.guarded_access(a => Some((!a, true)))
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  private lazy val delay_load =
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    GUI_Thread.delay_last(PIDE.options.seconds("editor_load_delay"))
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    {
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      if (Isabelle.continuous_checking && delay_load_activated() &&
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          PerspectiveManager.isPerspectiveEnabled)
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      {
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        try {
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          val view = jEdit.getActiveView()
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          val buffers = JEdit_Lib.jedit_buffers().toList
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          if (buffers.forall(_.isLoaded)) {
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            def loaded_buffer(name: String): Boolean =
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              buffers.exists(buffer => JEdit_Lib.buffer_name(buffer) == name)
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            val thys =
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              for {
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                buffer <- buffers
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                model <- PIDE.document_model(buffer)
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                if model.is_theory
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              } yield (model.node_name, Position.none)
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            val thy_info = new Thy_Info(PIDE.resources)
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            val files = thy_info.dependencies("", thys).deps.map(_.name.node).
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              filter(file => !loaded_buffer(file) && PIDE.resources.check_file(file))
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            if (files.nonEmpty) {
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              if (PIDE.options.bool("jedit_auto_load")) {
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                files.foreach(file => jEdit.openFile(null: View, file))
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              }
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              else {
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                val files_list = new ListView(files.sorted)
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                for (i <- 0 until files.length)
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                  files_list.selection.indices += i
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                val answer =
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                  GUI.confirm_dialog(view,
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                    "Auto loading of required files",
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                    JOptionPane.YES_NO_OPTION,
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                    "The following files are required to resolve theory imports.",
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                    "Reload selected files now?",
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                    new ScrollPane(files_list),
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                    new Isabelle.Continuous_Checking)
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                if (answer == 0) {
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                  files.foreach(file =>
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                    if (files_list.selection.items.contains(file))
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                      jEdit.openFile(null: View, file))
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                }
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              }
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            }
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          }
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        }
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        finally { delay_load_active.change(_ => false) }
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      }
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    }
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  /* session phase */
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  private val session_phase =
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    Session.Consumer[Session.Phase](getClass.getName) {
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      case Session.Inactive | Session.Failed =>
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        GUI_Thread.later {
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          GUI.error_dialog(jEdit.getActiveView, "Prover process terminated",
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            "Isabelle Syslog", GUI.scrollable_text(PIDE.session.syslog_content()))
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        }
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      case Session.Ready =>
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        PIDE.session.update_options(PIDE.options.value)
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        PIDE.init_models()
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        if (!Isabelle.continuous_checking) {
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          GUI_Thread.later {
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            val answer =
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              GUI.confirm_dialog(jEdit.getActiveView,
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                "Continuous checking of PIDE document",
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                JOptionPane.YES_NO_OPTION,
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                "Continuous checking is presently disabled:",
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                "editor buffers will remain inactive!",
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                "Enable continuous checking now?")
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            if (answer == 0) Isabelle.continuous_checking = true
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          }
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        }
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        delay_load.invoke()
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      case Session.Shutdown =>
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        PIDE.exit_models(JEdit_Lib.jedit_buffers().toList)
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        delay_load.revoke()
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      case _ =>
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    }
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  /* main plugin plumbing */
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   293
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  override def handleMessage(message: EBMessage)
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  {
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    GUI_Thread.assert {}
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    if (PIDE.startup_failure.isDefined && !PIDE.startup_notified) {
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      message match {
49100
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        case msg: EditorStarted =>
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          GUI.error_dialog(null, "Isabelle plugin startup failure",
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            GUI.scrollable_text(Exn.message(PIDE.startup_failure.get)),
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            "Prover IDE inactive!")
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          PIDE.startup_notified = true
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        case _ =>
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   306
      }
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    }
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    if (PIDE.startup_failure.isEmpty) {
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      message match {
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        case msg: EditorStarted =>
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   312
          PIDE.session.start("Isabelle", Isabelle_Logic.session_args())
37557
1ae272fd4082 refresh Isabelle token marker after buffer properties changed, e.g. when fold mode is switched;
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   313
57649
a43898f76ae9 further distinction of Isabelle distribution: alert for identified release candidates;
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   314
          if (Distribution.is_identified && !Distribution.is_official) {
57680
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   315
            GUI.warning_dialog(jEdit.getActiveView, "Isabelle version for testing",
60206
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              "This is " + Distribution.version + ".",
57649
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              "It is for testing only, not for production use.")
a43898f76ae9 further distinction of Isabelle distribution: alert for identified release candidates;
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   318
          }
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   319
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        case msg: BufferUpdate
57611
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   321
        if msg.getWhat == BufferUpdate.LOADED ||
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   322
          msg.getWhat == BufferUpdate.PROPERTIES_CHANGED ||
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   323
          msg.getWhat == BufferUpdate.CLOSING =>
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   324
b6256ea3b7c5 proper change of perspective for removed nodes (stemming from closed buffers);
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diff changeset
   325
          if (msg.getWhat == BufferUpdate.CLOSING) {
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diff changeset
   326
            val buffer = msg.getBuffer
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   327
            if (buffer != null) PIDE.editor.remove_node(PIDE.resources.node_name(msg.getBuffer))
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diff changeset
   328
          }
50205
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   329
          if (PIDE.session.is_ready) {
55791
5821b1937fa5 clarified init_models: simultaneous initialization of all document models, before flushing edits by regular means (via PIDE.editor.invoke) -- important for consolidated doc_blobs when determining initial edits;
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diff changeset
   330
            delay_init.invoke()
5821b1937fa5 clarified init_models: simultaneous initialization of all document models, before flushing edits by regular means (via PIDE.editor.invoke) -- important for consolidated doc_blobs when determining initial edits;
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diff changeset
   331
            delay_load.invoke()
49099
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diff changeset
   332
          }
34784
02959dcea756 split Theory_View into Document_Model (connected to Buffer) and Document_View (connected to JEditTextArea);
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diff changeset
   333
49099
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   334
        case msg: EditPaneUpdate
60215
5fb4990dfc73 misc tuning, based on warnings by IntelliJ IDEA;
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   335
        if msg.getWhat == EditPaneUpdate.BUFFER_CHANGING ||
49099
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diff changeset
   336
            msg.getWhat == EditPaneUpdate.BUFFER_CHANGED ||
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   337
            msg.getWhat == EditPaneUpdate.CREATED ||
60215
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   338
            msg.getWhat == EditPaneUpdate.DESTROYED =>
49099
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   339
          val edit_pane = msg.getEditPane
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   340
          val buffer = edit_pane.getBuffer
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   341
          val text_area = edit_pane.getTextArea
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   342
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diff changeset
   343
          if (buffer != null && text_area != null) {
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   344
            if (msg.getWhat == EditPaneUpdate.BUFFER_CHANGED ||
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   345
                msg.getWhat == EditPaneUpdate.CREATED) {
50205
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diff changeset
   346
              if (PIDE.session.is_ready)
788c8263e634 renamed main plugin object to PIDE;
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   347
                PIDE.init_view(buffer, text_area)
49099
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   348
            }
52867
8d8cb75ab20a more central Pretty_Tooltip.dismissed_all -- avoid spurious crash of Rich_Text_Area.robust_body in asynchronous mouse_motion_listener;
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   349
            else {
53244
ec6011bf2362 dismiss popups more uniformly;
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diff changeset
   350
              PIDE.dismissed_popups(text_area.getView)
52867
8d8cb75ab20a more central Pretty_Tooltip.dismissed_all -- avoid spurious crash of Rich_Text_Area.robust_body in asynchronous mouse_motion_listener;
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diff changeset
   351
              PIDE.exit_view(buffer, text_area)
8d8cb75ab20a more central Pretty_Tooltip.dismissed_all -- avoid spurious crash of Rich_Text_Area.robust_body in asynchronous mouse_motion_listener;
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diff changeset
   352
            }
53274
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wenzelm
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diff changeset
   353
1760c01f1c78 maintain Completion_Popup.Text_Area as client property like Document_View;
wenzelm
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diff changeset
   354
            if (msg.getWhat == EditPaneUpdate.CREATED)
1760c01f1c78 maintain Completion_Popup.Text_Area as client property like Document_View;
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diff changeset
   355
              Completion_Popup.Text_Area.init(text_area)
1760c01f1c78 maintain Completion_Popup.Text_Area as client property like Document_View;
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diff changeset
   356
1760c01f1c78 maintain Completion_Popup.Text_Area as client property like Document_View;
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diff changeset
   357
            if (msg.getWhat == EditPaneUpdate.DESTROYED)
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wenzelm
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diff changeset
   358
              Completion_Popup.Text_Area.exit(text_area)
43510
17d431c92575 init/exit model/view synchronously within the swing thread -- EditBus.send in jedit-4.4.1 always runs there;
wenzelm
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diff changeset
   359
          }
34784
02959dcea756 split Theory_View into Document_Model (connected to Buffer) and Document_View (connected to JEditTextArea);
wenzelm
parents: 34782
diff changeset
   360
49099
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diff changeset
   361
        case msg: PropertiesChanged =>
56558
05c833d402bc tuned signature -- explicit Spell_Checker_Variable;
wenzelm
parents: 56557
diff changeset
   362
          PIDE.spell_checker.update(PIDE.options.value)
52084
573e80625c78 more explicit Session.update_options as source of Global_Options event;
wenzelm
parents: 51616
diff changeset
   363
          PIDE.session.update_options(PIDE.options.value)
34784
02959dcea756 split Theory_View into Document_Model (connected to Buffer) and Document_View (connected to JEditTextArea);
wenzelm
parents: 34782
diff changeset
   364
49099
10e899bb6530 more permissive handling of plugin startup failure;
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diff changeset
   365
        case _ =>
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diff changeset
   366
      }
34318
c13e168a8ae6 original sources from Johannes Hölzl a48e0c6ab1aea77c52d596f7efc007a543d3d10c with minor modifications of directory layout;
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diff changeset
   367
    }
c13e168a8ae6 original sources from Johannes Hölzl a48e0c6ab1aea77c52d596f7efc007a543d3d10c with minor modifications of directory layout;
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diff changeset
   368
  }
c13e168a8ae6 original sources from Johannes Hölzl a48e0c6ab1aea77c52d596f7efc007a543d3d10c with minor modifications of directory layout;
wenzelm
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diff changeset
   369
34618
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diff changeset
   370
  override def start()
49099
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diff changeset
   371
  {
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diff changeset
   372
    try {
50709
985c081a4f11 disable search dialog pool on all platforms -- to prevent GUI synchronization problems seen on KDE (e.g. Kubuntu 12.10);
wenzelm
parents: 50566
diff changeset
   373
      Debug.DISABLE_SEARCH_DIALOG_POOL = true
985c081a4f11 disable search dialog pool on all platforms -- to prevent GUI synchronization problems seen on KDE (e.g. Kubuntu 12.10);
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parents: 50566
diff changeset
   374
50205
788c8263e634 renamed main plugin object to PIDE;
wenzelm
parents: 50183
diff changeset
   375
      PIDE.plugin = this
49099
10e899bb6530 more permissive handling of plugin startup failure;
wenzelm
parents: 49098
diff changeset
   376
      Isabelle_System.init()
57908
1937603dbdf2 separate Java FX modules -- no need to include jfxrt.jar by default;
wenzelm
parents: 57867
diff changeset
   377
      GUI.install_fonts()
49099
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diff changeset
   378
53338
69a0bdfc7fa5 simplified (see 7c39677f9ea0);
wenzelm
parents: 53337
diff changeset
   379
      PIDE.options.update(Options.init())
53337
b3817a0e3211 sort items according to persistent history of frequency of use;
wenzelm
parents: 53277
diff changeset
   380
      PIDE.completion_history.load()
56558
05c833d402bc tuned signature -- explicit Spell_Checker_Variable;
wenzelm
parents: 56557
diff changeset
   381
      PIDE.spell_checker.update(PIDE.options.value)
49245
cb70157293c0 manage Isabelle/jEdit options as Isabelle/Scala options (with persistent preferences);
wenzelm
parents: 49195
diff changeset
   382
49099
10e899bb6530 more permissive handling of plugin startup failure;
wenzelm
parents: 49098
diff changeset
   383
      SyntaxUtilities.setStyleExtender(new Token_Markup.Style_Extender)
10e899bb6530 more permissive handling of plugin startup failure;
wenzelm
parents: 49098
diff changeset
   384
      if (ModeProvider.instance.isInstanceOf[ModeProvider])
10e899bb6530 more permissive handling of plugin startup failure;
wenzelm
parents: 49098
diff changeset
   385
        ModeProvider.instance = new Token_Markup.Mode_Provider(ModeProvider.instance)
48870
4accee106f0f clarified initialization of Thy_Load, Thy_Info, Session;
wenzelm
parents: 48791
diff changeset
   386
53274
1760c01f1c78 maintain Completion_Popup.Text_Area as client property like Document_View;
wenzelm
parents: 53272
diff changeset
   387
      JEdit_Lib.jedit_text_areas.foreach(Completion_Popup.Text_Area.init _)
1760c01f1c78 maintain Completion_Popup.Text_Area as client property like Document_View;
wenzelm
parents: 53272
diff changeset
   388
49246
248e66e8321f more systematic JEdit_Options.make_component;
wenzelm
parents: 49245
diff changeset
   389
      val content = Isabelle_Logic.session_content(false)
56801
8dd9df88f647 some support for session-qualified theories: allow to refer to resources via qualified name instead of odd file-system path;
wenzelm
parents: 56775
diff changeset
   390
      val resources =
8dd9df88f647 some support for session-qualified theories: allow to refer to resources via qualified name instead of odd file-system path;
wenzelm
parents: 56775
diff changeset
   391
        new JEdit_Resources(content.loaded_theories, content.known_theories, content.syntax)
49524
68796a77c42b Thy_Syntax.consolidate_spans is subject to editor_reparse_limit, for improved experience of unbalanced comments etc.;
wenzelm
parents: 49523
diff changeset
   392
56208
06cc31dff138 clarifed module name;
wenzelm
parents: 55791
diff changeset
   393
      PIDE.session = new Session(resources) {
50207
54be125d8cdc tuned signature;
wenzelm
parents: 50206
diff changeset
   394
        override def output_delay = PIDE.options.seconds("editor_output_delay")
57867
abae8aff6262 added system option editor_output_delay: lower value might help big sessions under low-memory situations;
wenzelm
parents: 57680
diff changeset
   395
        override def prune_delay = PIDE.options.seconds("editor_prune_delay")
57974
ba0b6c2338f0 added option editor_syslog_limit;
wenzelm
parents: 57867
diff changeset
   396
        override def syslog_limit = PIDE.options.int("editor_syslog_limit")
50205
788c8263e634 renamed main plugin object to PIDE;
wenzelm
parents: 50183
diff changeset
   397
        override def reparse_limit = PIDE.options.int("editor_reparse_limit")
49288
2c9272cb4568 more options;
wenzelm
parents: 49272
diff changeset
   398
      }
48870
4accee106f0f clarified initialization of Thy_Load, Thy_Info, Session;
wenzelm
parents: 48791
diff changeset
   399
56715
52125652e82a clarified Session.Consumer, with Session.Outlet managed by dispatcher thread;
wenzelm
parents: 56662
diff changeset
   400
      PIDE.session.phase_changed += session_phase
50205
788c8263e634 renamed main plugin object to PIDE;
wenzelm
parents: 50183
diff changeset
   401
      PIDE.startup_failure = None
49099
10e899bb6530 more permissive handling of plugin startup failure;
wenzelm
parents: 49098
diff changeset
   402
    }
10e899bb6530 more permissive handling of plugin startup failure;
wenzelm
parents: 49098
diff changeset
   403
    catch {
10e899bb6530 more permissive handling of plugin startup failure;
wenzelm
parents: 49098
diff changeset
   404
      case exn: Throwable =>
50205
788c8263e634 renamed main plugin object to PIDE;
wenzelm
parents: 50183
diff changeset
   405
        PIDE.startup_failure = Some(exn)
788c8263e634 renamed main plugin object to PIDE;
wenzelm
parents: 50183
diff changeset
   406
        PIDE.startup_notified = false
49099
10e899bb6530 more permissive handling of plugin startup failure;
wenzelm
parents: 49098
diff changeset
   407
    }
34318
c13e168a8ae6 original sources from Johannes Hölzl a48e0c6ab1aea77c52d596f7efc007a543d3d10c with minor modifications of directory layout;
wenzelm
parents:
diff changeset
   408
  }
34618
e45052ff7233 added Boolean_Property, Int_Property;
wenzelm
parents: 34615
diff changeset
   409
39628
f6e82967b5cd Plugin.stop: refrain from invalidating Isabelle.session -- some actors/dockables out there might still refer to it;
wenzelm
parents: 39518
diff changeset
   410
  override def stop()
34618
e45052ff7233 added Boolean_Property, Int_Property;
wenzelm
parents: 34615
diff changeset
   411
  {
53274
1760c01f1c78 maintain Completion_Popup.Text_Area as client property like Document_View;
wenzelm
parents: 53272
diff changeset
   412
    JEdit_Lib.jedit_text_areas.foreach(Completion_Popup.Text_Area.exit _)
1760c01f1c78 maintain Completion_Popup.Text_Area as client property like Document_View;
wenzelm
parents: 53272
diff changeset
   413
53337
b3817a0e3211 sort items according to persistent history of frequency of use;
wenzelm
parents: 53277
diff changeset
   414
    if (PIDE.startup_failure.isEmpty) {
50205
788c8263e634 renamed main plugin object to PIDE;
wenzelm
parents: 50183
diff changeset
   415
      PIDE.options.value.save_prefs()
53337
b3817a0e3211 sort items according to persistent history of frequency of use;
wenzelm
parents: 53277
diff changeset
   416
      PIDE.completion_history.value.save()
b3817a0e3211 sort items according to persistent history of frequency of use;
wenzelm
parents: 53277
diff changeset
   417
    }
49245
cb70157293c0 manage Isabelle/jEdit options as Isabelle/Scala options (with persistent preferences);
wenzelm
parents: 49195
diff changeset
   418
56715
52125652e82a clarified Session.Consumer, with Session.Outlet managed by dispatcher thread;
wenzelm
parents: 56662
diff changeset
   419
    PIDE.session.phase_changed -= session_phase
50344
608265769ce0 emit bulk edits on initialization of multiple buffers, which greatly improves performance when starting big sessions (e.g. JinjaThreads);
wenzelm
parents: 50209
diff changeset
   420
    PIDE.exit_models(JEdit_Lib.jedit_buffers().toList)
50205
788c8263e634 renamed main plugin object to PIDE;
wenzelm
parents: 50183
diff changeset
   421
    PIDE.session.stop()
34318
c13e168a8ae6 original sources from Johannes Hölzl a48e0c6ab1aea77c52d596f7efc007a543d3d10c with minor modifications of directory layout;
wenzelm
parents:
diff changeset
   422
  }
c13e168a8ae6 original sources from Johannes Hölzl a48e0c6ab1aea77c52d596f7efc007a543d3d10c with minor modifications of directory layout;
wenzelm
parents:
diff changeset
   423
}