/* 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.syntax.{Token => JEditToken, ModeProvider}
import org.gjt.sp.jedit.msg.{EditorStarted, BufferUpdate, EditPaneUpdate, PropertiesChanged}
import org.gjt.sp.jedit.gui.DockableWindowManager
import org.gjt.sp.util.SyntaxUtilities
import org.gjt.sp.util.Log
import scala.actors.Actor
import Actor._
object Isabelle
{
/* plugin instance */
var plugin: Plugin = null
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) }
/* document model and view */
def document_model(buffer: Buffer): Option[Document_Model] = Document_Model(buffer)
def document_view(text_area: JEditTextArea): Option[Document_View] = Document_View(text_area)
def init_model(buffer: Buffer)
{
swing_buffer_lock(buffer) {
val opt_model =
document_model(buffer) match {
case Some(model) => Some(model)
case None =>
// FIXME strip protocol prefix of URL
Thy_Header.split_thy_path(system.posix_path(buffer.getPath)) match {
case Some((dir, thy_name)) =>
Some(Document_Model.init(session, buffer, dir + "/" + thy_name))
case None => None
}
}
if (opt_model.isDefined) {
for (text_area <- jedit_text_areas(buffer)) {
if (document_view(text_area).map(_.model) != opt_model)
Document_View.init(opt_model.get, text_area)
}
}
}
}
def exit_model(buffer: Buffer)
{
swing_buffer_lock(buffer) {
jedit_text_areas(buffer).foreach(Document_View.exit)
Document_Model.exit(buffer)
}
}
def init_view(buffer: Buffer, text_area: JEditTextArea)
{
swing_buffer_lock(buffer) {
document_model(buffer) match {
case Some(model) => Document_View.init(model, text_area)
case None =>
}
}
}
def exit_view(buffer: Buffer, text_area: JEditTextArea)
{
swing_buffer_lock(buffer) {
Document_View.exit(text_area)
}
}
/* 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 */
@volatile private var session_ready = false
private val session_manager = actor {
loop {
react {
case phase: Session.Phase =>
session_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(Isabelle.init_model)
case Session.Shutdown => Isabelle.jedit_buffers.foreach(Isabelle.exit_model)
case _ =>
}
case bad => System.err.println("session_manager: ignoring bad message " + bad)
}
}
}
/* main plugin plumbing */
override def handleMessage(message: EBMessage)
{
Swing_Thread.assert()
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_ready)
Isabelle.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) {
if (session_ready)
Isabelle.init_view(buffer, text_area)
}
else Isabelle.exit_view(buffer, text_area)
}
case msg: PropertiesChanged =>
Swing_Thread.now { Isabelle.setup_tooltips() }
Isabelle.session.global_settings.event(Session.Global_Settings)
case _ =>
}
}
override def start()
{
Isabelle.plugin = this
Isabelle.setup_tooltips()
Isabelle.system = new Isabelle_System
Isabelle.system.install_fonts()
Isabelle.session = new Session(Isabelle.system)
SyntaxUtilities.setStyleExtender(new Token_Markup.Style_Extender(Isabelle.system.symbols))
if (ModeProvider.instance.isInstanceOf[ModeProvider])
ModeProvider.instance = new Token_Markup.Mode_Provider(ModeProvider.instance)
Isabelle.session.phase_changed += session_manager
}
override def stop()
{
Isabelle.session.phase_changed -= session_manager
Isabelle.jedit_buffers.foreach(Isabelle.exit_model)
Isabelle.session.stop()
}
}