--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/Tools/jEdit/src/plugin.scala Wed Jun 08 17:42:07 2011 +0200
@@ -0,0 +1,401 @@
+/* Title: Tools/jEdit/src/plugin.scala
+ Author: Makarius
+
+Main Isabelle/jEdit plugin setup.
+*/
+
+package isabelle.jedit
+
+
+import isabelle._
+
+import java.io.{FileInputStream, IOException}
+import java.awt.Font
+
+import scala.collection.mutable
+import scala.swing.ComboBox
+
+import org.gjt.sp.jedit.{jEdit, GUIUtilities, EBMessage, EBPlugin,
+ Buffer, EditPane, ServiceManager, View}
+import org.gjt.sp.jedit.buffer.JEditBuffer
+import org.gjt.sp.jedit.textarea.{JEditTextArea, TextArea}
+import org.gjt.sp.jedit.msg.{EditorStarted, BufferUpdate, EditPaneUpdate, PropertiesChanged}
+import org.gjt.sp.jedit.gui.DockableWindowManager
+
+import org.gjt.sp.util.Log
+
+import scala.actors.Actor
+import Actor._
+
+
+object Isabelle
+{
+ /* plugin instance */
+
+ var system: Isabelle_System = null
+ var session: Session = null
+
+
+ /* properties */
+
+ val OPTION_PREFIX = "options.isabelle."
+
+ object Property
+ {
+ def apply(name: String): String =
+ jEdit.getProperty(OPTION_PREFIX + name)
+ def apply(name: String, default: String): String =
+ jEdit.getProperty(OPTION_PREFIX + name, default)
+ def update(name: String, value: String) =
+ jEdit.setProperty(OPTION_PREFIX + name, value)
+ }
+
+ object Boolean_Property
+ {
+ def apply(name: String): Boolean =
+ jEdit.getBooleanProperty(OPTION_PREFIX + name)
+ def apply(name: String, default: Boolean): Boolean =
+ jEdit.getBooleanProperty(OPTION_PREFIX + name, default)
+ def update(name: String, value: Boolean) =
+ jEdit.setBooleanProperty(OPTION_PREFIX + name, value)
+ }
+
+ object Int_Property
+ {
+ def apply(name: String): Int =
+ jEdit.getIntegerProperty(OPTION_PREFIX + name)
+ def apply(name: String, default: Int): Int =
+ jEdit.getIntegerProperty(OPTION_PREFIX + name, default)
+ def update(name: String, value: Int) =
+ jEdit.setIntegerProperty(OPTION_PREFIX + name, value)
+ }
+
+ object Double_Property
+ {
+ def apply(name: String): Double =
+ jEdit.getDoubleProperty(OPTION_PREFIX + name, 0.0)
+ def apply(name: String, default: Double): Double =
+ jEdit.getDoubleProperty(OPTION_PREFIX + name, default)
+ def update(name: String, value: Double) =
+ jEdit.setDoubleProperty(OPTION_PREFIX + name, value)
+ }
+
+ object Time_Property
+ {
+ def apply(name: String): Time =
+ Time.seconds(Double_Property(name))
+ def apply(name: String, default: Time): Time =
+ Time.seconds(Double_Property(name, default.seconds))
+ def update(name: String, value: Time) =
+ Double_Property.update(name, value.seconds)
+ }
+
+
+ /* font */
+
+ def font_family(): String = jEdit.getProperty("view.font")
+
+ def font_size(): Float =
+ (jEdit.getIntegerProperty("view.fontsize", 16) *
+ Int_Property("relative-font-size", 100)).toFloat / 100
+
+
+ /* text area ranges */
+
+ case class Gfx_Range(val x: Int, val y: Int, val length: Int)
+
+ def gfx_range(text_area: TextArea, range: Text.Range): Option[Gfx_Range] =
+ {
+ val p = text_area.offsetToXY(range.start)
+ val q = text_area.offsetToXY(range.stop)
+ if (p != null && q != null && p.y == q.y) Some(new Gfx_Range(p.x, p.y, q.x - p.x))
+ else None
+ }
+
+
+ /* tooltip markup */
+
+ def tooltip(text: String): String =
+ "<html><pre style=\"font-family: " + font_family() + "; font-size: " +
+ Int_Property("tooltip-font-size", 10).toString + "px; \">" + // FIXME proper scaling (!?)
+ HTML.encode(text) + "</pre></html>"
+
+ def tooltip_dismiss_delay(): Time =
+ Time_Property("tooltip-dismiss-delay", Time.seconds(8.0)) max Time.seconds(0.5)
+
+ def setup_tooltips()
+ {
+ Swing_Thread.now {
+ val manager = javax.swing.ToolTipManager.sharedInstance
+ manager.setDismissDelay(tooltip_dismiss_delay().ms.toInt)
+ }
+ }
+
+
+ /* icons */
+
+ def load_icon(name: String): javax.swing.Icon =
+ {
+ val icon = GUIUtilities.loadIcon(name)
+ if (icon.getIconWidth < 0 || icon.getIconHeight < 0)
+ Log.log(Log.ERROR, icon, "Bad icon: " + name)
+ icon
+ }
+
+
+ /* check JVM */
+
+ def check_jvm()
+ {
+ if (!Platform.is_hotspot) {
+ Library.warning_dialog(jEdit.getActiveView, "Bad Java Virtual Machine",
+ "This is " + Platform.jvm_name,
+ "Isabelle/jEdit requires Java Hotspot from Sun/Oracle/Apple!")
+ }
+ }
+
+
+ /* main jEdit components */
+
+ def jedit_buffers(): Iterator[Buffer] = jEdit.getBuffers().iterator
+
+ def jedit_views(): Iterator[View] = jEdit.getViews().iterator
+
+ def jedit_text_areas(view: View): Iterator[JEditTextArea] =
+ view.getEditPanes().iterator.map(_.getTextArea)
+
+ def jedit_text_areas(): Iterator[JEditTextArea] =
+ jedit_views().flatMap(jedit_text_areas(_))
+
+ def jedit_text_areas(buffer: JEditBuffer): Iterator[JEditTextArea] =
+ jedit_text_areas().filter(_.getBuffer == buffer)
+
+ def buffer_lock[A](buffer: JEditBuffer)(body: => A): A =
+ {
+ try { buffer.readLock(); body }
+ finally { buffer.readUnlock() }
+ }
+
+ def swing_buffer_lock[A](buffer: JEditBuffer)(body: => A): A =
+ Swing_Thread.now { buffer_lock(buffer) { body } }
+
+ def buffer_text(buffer: JEditBuffer): String =
+ buffer_lock(buffer) { buffer.getText(0, buffer.getLength) }
+
+
+ /* dockable windows */
+
+ private def wm(view: View): DockableWindowManager = view.getDockableWindowManager
+
+ def docked_session(view: View): Option[Session_Dockable] =
+ wm(view).getDockableWindow("isabelle-session") match {
+ case dockable: Session_Dockable => Some(dockable)
+ case _ => None
+ }
+
+ def docked_output(view: View): Option[Output_Dockable] =
+ wm(view).getDockableWindow("isabelle-output") match {
+ case dockable: Output_Dockable => Some(dockable)
+ case _ => None
+ }
+
+ def docked_raw_output(view: View): Option[Raw_Output_Dockable] =
+ wm(view).getDockableWindow("isabelle-raw-output") match {
+ case dockable: Raw_Output_Dockable => Some(dockable)
+ case _ => None
+ }
+
+ def docked_protocol(view: View): Option[Protocol_Dockable] =
+ wm(view).getDockableWindow("isabelle-protocol") match {
+ case dockable: Protocol_Dockable => Some(dockable)
+ case _ => None
+ }
+
+
+ /* logic image */
+
+ def default_logic(): String =
+ {
+ val logic = system.getenv("JEDIT_LOGIC")
+ if (logic != "") logic
+ else system.getenv_strict("ISABELLE_LOGIC")
+ }
+
+ class Logic_Entry(val name: String, val description: String)
+ {
+ override def toString = description
+ }
+
+ def logic_selector(logic: String): ComboBox[Logic_Entry] =
+ {
+ val entries =
+ new Logic_Entry("", "default (" + default_logic() + ")") ::
+ system.find_logics().map(name => new Logic_Entry(name, name))
+ val component = new ComboBox(entries)
+ entries.find(_.name == logic) match {
+ case None =>
+ case Some(entry) => component.selection.item = entry
+ }
+ component.tooltip = "Isabelle logic image"
+ component
+ }
+
+ def start_session()
+ {
+ val timeout = Time_Property("startup-timeout", Time.seconds(10)) max Time.seconds(5)
+ val modes = system.getenv("JEDIT_PRINT_MODE").split(",").toList.map("-m" + _)
+ val logic = {
+ val logic = Property("logic")
+ if (logic != null && logic != "") logic
+ else Isabelle.default_logic()
+ }
+ session.start(timeout, modes ::: List(logic))
+ }
+}
+
+
+class Plugin extends EBPlugin
+{
+ /* session management */
+
+ private def init_model(buffer: Buffer)
+ {
+ Isabelle.swing_buffer_lock(buffer) {
+ val opt_model =
+ Document_Model(buffer) match {
+ case Some(model) => model.refresh; Some(model)
+ case None =>
+ Thy_Header.split_thy_path(Isabelle.system.posix_path(buffer.getPath)) match {
+ case Some((dir, thy_name)) =>
+ Some(Document_Model.init(Isabelle.session, buffer, dir + "/" + thy_name))
+ case None => None
+ }
+ }
+ if (opt_model.isDefined) {
+ for (text_area <- Isabelle.jedit_text_areas(buffer)) {
+ if (Document_View(text_area).map(_.model) != opt_model)
+ Document_View.init(opt_model.get, text_area)
+ }
+ }
+ }
+ }
+
+ private def exit_model(buffer: Buffer)
+ {
+ Isabelle.swing_buffer_lock(buffer) {
+ Isabelle.jedit_text_areas(buffer).foreach(Document_View.exit)
+ Document_Model.exit(buffer)
+ }
+ }
+
+ private case class Init_Model(buffer: Buffer)
+ private case class Exit_Model(buffer: Buffer)
+ private case class Init_View(buffer: Buffer, text_area: JEditTextArea)
+ private case class Exit_View(buffer: Buffer, text_area: JEditTextArea)
+
+ private val session_manager = actor {
+ var ready = false
+ loop {
+ react {
+ case phase: Session.Phase =>
+ ready = phase == Session.Ready
+ phase match {
+ case Session.Failed =>
+ Swing_Thread.now {
+ val text = new scala.swing.TextArea(Isabelle.session.syslog())
+ text.editable = false
+ Library.error_dialog(jEdit.getActiveView, "Failed to start Isabelle process", text)
+ }
+
+ case Session.Ready => Isabelle.jedit_buffers.foreach(init_model)
+ case Session.Shutdown => Isabelle.jedit_buffers.foreach(exit_model)
+ case _ =>
+ }
+
+ case Init_Model(buffer) =>
+ if (ready) init_model(buffer)
+
+ case Exit_Model(buffer) =>
+ exit_model(buffer)
+
+ case Init_View(buffer, text_area) =>
+ if (ready) {
+ Isabelle.swing_buffer_lock(buffer) {
+ Document_Model(buffer) match {
+ case Some(model) => Document_View.init(model, text_area)
+ case None =>
+ }
+ }
+ }
+
+ case Exit_View(buffer, text_area) =>
+ Isabelle.swing_buffer_lock(buffer) {
+ Document_View.exit(text_area)
+ }
+
+ case bad => System.err.println("session_manager: ignoring bad message " + bad)
+ }
+ }
+ }
+
+
+ /* main plugin plumbing */
+
+ override def handleMessage(message: EBMessage)
+ {
+ message match {
+ case msg: EditorStarted =>
+ Isabelle.check_jvm()
+ if (Isabelle.Boolean_Property("auto-start")) Isabelle.start_session()
+
+ case msg: BufferUpdate
+ if msg.getWhat == BufferUpdate.PROPERTIES_CHANGED =>
+
+ val buffer = msg.getBuffer
+ if (buffer != null) session_manager ! Init_Model(buffer)
+
+ case msg: EditPaneUpdate
+ if (msg.getWhat == EditPaneUpdate.BUFFER_CHANGING ||
+ msg.getWhat == EditPaneUpdate.BUFFER_CHANGED ||
+ msg.getWhat == EditPaneUpdate.CREATED ||
+ msg.getWhat == EditPaneUpdate.DESTROYED) =>
+
+ val edit_pane = msg.getEditPane
+ val buffer = edit_pane.getBuffer
+ val text_area = edit_pane.getTextArea
+
+ if (buffer != null && text_area != null) {
+ if (msg.getWhat == EditPaneUpdate.BUFFER_CHANGED ||
+ msg.getWhat == EditPaneUpdate.CREATED)
+ session_manager ! Init_View(buffer, text_area)
+ else
+ session_manager ! Exit_View(buffer, text_area)
+ }
+
+ case msg: PropertiesChanged =>
+ Swing_Thread.now {
+ Isabelle.setup_tooltips()
+ for (text_area <- Isabelle.jedit_text_areas if Document_View(text_area).isDefined)
+ Document_View(text_area).get.extend_styles()
+ }
+ Isabelle.session.global_settings.event(Session.Global_Settings)
+
+ case _ =>
+ }
+ }
+
+ override def start()
+ {
+ Isabelle.setup_tooltips()
+ Isabelle.system = new Isabelle_System
+ Isabelle.system.install_fonts()
+ Isabelle.session = new Session(Isabelle.system)
+ Isabelle.session.phase_changed += session_manager
+ }
+
+ override def stop()
+ {
+ Isabelle.session.stop()
+ Isabelle.session.phase_changed -= session_manager
+ }
+}