/* Title: Tools/jEdit/src/jedit/plugin.scala
Author: Makarius
Main Isabelle/jEdit plugin setup.
*/
package isabelle.jedit
import isabelle._
import java.io.{FileInputStream, IOException}
import java.awt.Font
import javax.swing.JTextArea
import scala.collection.mutable
import org.gjt.sp.jedit.{jEdit, EBMessage, EBPlugin, Buffer, EditPane, ServiceManager, View}
import org.gjt.sp.jedit.buffer.JEditBuffer
import org.gjt.sp.jedit.textarea.JEditTextArea
import org.gjt.sp.jedit.msg.{BufferUpdate, EditPaneUpdate, PropertiesChanged}
import org.gjt.sp.jedit.gui.DockableWindowManager
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)
}
/* 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
/* 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>"
/* settings */
def default_logic(): String =
{
val logic = system.getenv("JEDIT_LOGIC")
if (logic != "") logic
else system.getenv_strict("ISABELLE_LOGIC")
}
def isabelle_args(): List[String] =
{
val modes = system.getenv("JEDIT_PRINT_MODE").split(",").toList.map("-m" + _)
val logic = {
val logic = Property("logic")
if (logic != null && logic != "") logic
else default_logic()
}
modes ++ List(logic)
}
/* 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_read_lock[A](buffer: JEditBuffer)(body: => A): A =
{
try { buffer.readLock(); body }
finally { buffer.readUnlock() }
}
/* dockable windows */
private def wm(view: View): DockableWindowManager = view.getDockableWindowManager
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
}
/* manage prover */ // FIXME async!?
private def prover_started(view: View): Boolean =
{
val timeout = Int_Property("startup-timeout") max 1000
session.started(timeout, Isabelle.isabelle_args()) match {
case Some(err) =>
val text = new JTextArea(err); text.setEditable(false)
Library.error_dialog(view, null, "Failed to start Isabelle process", text)
false
case None => true
}
}
/* activation */
def activate_buffer(view: View, buffer: Buffer)
{
if (prover_started(view)) {
// FIXME proper error handling
val (_, thy_name) = Thy_Header.split_thy_path(Isabelle.system.posix_path(buffer.getPath))
val model = Document_Model.init(session, buffer, thy_name)
for (text_area <- jedit_text_areas(buffer))
Document_View.init(model, text_area)
}
}
def deactivate_buffer(buffer: Buffer)
{
session.stop() // FIXME not yet
for (text_area <- jedit_text_areas(buffer))
Document_View.exit(text_area)
Document_Model.exit(buffer)
}
def switch_active(view: View) =
{
val buffer = view.getBuffer
if (Document_Model(buffer).isDefined) deactivate_buffer(buffer)
else activate_buffer(view, buffer)
}
def is_active(view: View): Boolean =
Document_Model(view.getBuffer).isDefined
}
class Plugin extends EBPlugin
{
/* main plugin plumbing */
override def handleMessage(message: EBMessage)
{
message match {
case msg: BufferUpdate
if msg.getWhat == BufferUpdate.PROPERTIES_CHANGED =>
Document_Model(msg.getBuffer) match {
case Some(model) => model.refresh()
case _ =>
}
case msg: EditPaneUpdate =>
val edit_pane = msg.getEditPane
val buffer = edit_pane.getBuffer
val text_area = edit_pane.getTextArea
def init_view()
{
Document_Model(buffer) match {
case Some(model) => Document_View.init(model, text_area)
case None =>
}
}
def exit_view()
{
if (Document_View(text_area).isDefined)
Document_View.exit(text_area)
}
msg.getWhat match {
case EditPaneUpdate.BUFFER_CHANGED => exit_view(); init_view()
case EditPaneUpdate.CREATED => init_view()
case EditPaneUpdate.DESTROYED => exit_view()
case _ =>
}
case msg: PropertiesChanged =>
Swing_Thread.now {
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.system = new Isabelle_System
Isabelle.system.install_fonts()
Isabelle.session = new Session(Isabelle.system) // FIXME dialog!?
}
override def stop()
{
Isabelle.session.stop() // FIXME dialog!?
Isabelle.session = null
Isabelle.system = null
}
}