gapt.prooftool.ExpansionSequentViewer.scala Maven / Gradle / Ivy

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General Architecture for Proof Theory

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package gapt.prooftool

import gapt.proofs.expansion.{ExpansionProof, ExpansionProofToLK, ExpansionSequent}
import gapt.formats.json._

import scala.swing.{Separator, Menu, Action, MenuItem}

/**
 * ProofToolViewer for expansion sequents.
 *
 * @param name The name to be displayed at the top.
 * @param es The expansion sequent to be displayed.
 */
class ExpansionSequentViewer(name: String, es: ExpansionSequent) extends ProofToolViewer[ExpansionSequent](name, es)
    with Savable[ExpansionSequent] {
  override type MainComponentType = DrawExpansionSequent

  override def createMainComponent = new DrawExpansionSequent(this, es)

  override def viewMenuContents = super.viewMenuContents ++ Seq(new Separator(), viewLKProofButton)

  def lkproof(): Unit = {
    try {
      mainPanel.cursor = new java.awt.Cursor(java.awt.Cursor.WAIT_CURSOR)
      val Right(p) = ExpansionProofToLK(ExpansionProof(content)): @unchecked
      val viewer = new LKProofViewer("LK proof", p)
      viewer.showFrame()
      mainPanel.cursor = java.awt.Cursor.getDefaultCursor
    } catch {
      case e: Throwable =>
        errorMessage("Cannot extract LK proof!" + dnLine + getExceptionString(e))
    }
  }

  // New menu button
  def viewLKProofButton = new MenuItem(Action("View LK proof") {
    lkproof()
  })

  override def saveFormats: Map[String, ExpansionSequent => String] = Map(
    ".json" -> { (es: ExpansionSequent) => JsonExporter(es).toString }
  )
}