renamed Plugin.plugin to Plugin.self;
added Symbol.Interpretation (formerly in VFS);
tuned Plugin.font handling;
tuned;
/*
* Main Isabelle/jEdit plugin setup
*
* @author Johannes Hölzl, TU Munich
* @author Fabian Immler, TU Munich
*/
package isabelle.jedit
import java.io.{FileInputStream, IOException}
import java.awt.Font
import javax.swing.JScrollPane
import scala.collection.mutable.HashMap
import isabelle.utils.EventSource
import isabelle.prover.{Prover, Command}
import isabelle.{IsabelleSystem, Symbol}
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.{EditPaneUpdate, PropertiesChanged}
object Plugin {
// name
val NAME = "Isabelle"
val OPTION_PREFIX = "options.isabelle."
val VFS_PREFIX = "isabelle:"
// properties
def property(name: String) = jEdit.getProperty(OPTION_PREFIX + name)
def property(name: String, value: String) =
jEdit.setProperty(OPTION_PREFIX + name, value)
// dynamic instance
var self: Plugin = null
// provers
def prover(buffer: JEditBuffer) = self.prover_setup(buffer).get.prover
def prover_setup(buffer: JEditBuffer) = self.prover_setup(buffer).get
}
class Plugin extends EBPlugin {
// Isabelle symbols
val symbols = new Symbol.Interpretation
// Isabelle font
var font: Font = null
val font_changed = new EventSource[Font]
def set_font(path: String, size: Float) {
try {
font = Font.createFont(Font.TRUETYPE_FONT, new FileInputStream(path)).
deriveFont(Font.PLAIN, size)
font_changed.fire(font)
}
catch {
case e: IOException =>
}
}
// mapping buffer <-> prover
private val mapping = new HashMap[JEditBuffer, ProverSetup]
def install(view: View) {
val buffer = view.getBuffer
mapping.get(buffer) match{
case None =>{
val prover_setup = new ProverSetup(buffer)
mapping.update(buffer, prover_setup)
prover_setup.activate(view)
}
case _ => System.err.println("Already installed plugin on Buffer")
}
}
def uninstall(view: View) {
val buffer = view.getBuffer
mapping.removeKey(buffer) match{
case None => System.err.println("No Plugin installed on this Buffer")
case Some(proversetup) =>
proversetup.deactivate
}
}
def prover_setup(buffer: JEditBuffer): Option[ProverSetup] = mapping.get(buffer)
def is_active(buffer: JEditBuffer) = mapping.isDefinedAt(buffer)
// main plugin plumbing
override def handleMessage(msg: EBMessage) = msg match {
case epu: EditPaneUpdate => epu.getWhat match {
case EditPaneUpdate.BUFFER_CHANGED =>
mapping get epu.getEditPane.getBuffer match {
//only activate 'isabelle'-buffers!
case None =>
case Some(prover_setup) =>
prover_setup.theory_view.activate
val dockable = epu.getEditPane.getView.getDockableWindowManager.getDockable("isabelle-output")
if(dockable != null) {
val output_dockable = dockable.asInstanceOf[OutputDockable]
if(output_dockable.getComponent(0) != prover_setup.output_text_view ) {
output_dockable.asInstanceOf[OutputDockable].removeAll
output_dockable.asInstanceOf[OutputDockable].add(new JScrollPane(prover_setup.output_text_view))
output_dockable.revalidate
}
}
}
case EditPaneUpdate.BUFFER_CHANGING =>
val buffer = epu.getEditPane.getBuffer
if(buffer != null) mapping get buffer match {
//only deactivate 'isabelle'-buffers!
case None =>
case Some(prover_setup) => prover_setup.theory_view.deactivate
}
case _ =>
}
case _ =>
}
override def start() {
Plugin.self = this
if (Plugin.property("font-path") != null && Plugin.property("font-size") != null)
try {
set_font(Plugin.property("font-path"), Plugin.property("font-size").toFloat)
}
catch {
case e: NumberFormatException =>
}
}
override def stop() {
// TODO: proper cleanup
Plugin.self = null
}
}