/* Title: Tools/jEdit/src/document_dockable.scala
Author: Makarius
Dockable window for document build support.
*/
package isabelle.jedit
import isabelle._
import java.awt.BorderLayout
import java.awt.event.{ComponentEvent, ComponentAdapter}
import scala.swing.{ScrollPane, TextArea, Label, TabbedPane, BorderPanel, Component}
import org.gjt.sp.jedit.{jEdit, View}
object Document_Dockable {
def document_output(): Path =
Path.explode("$ISABELLE_HOME_USER/document/root.pdf")
object Status extends Enumeration {
val WAITING = Value("waiting")
val RUNNING = Value("running")
val FINISHED = Value("finished")
}
sealed case class Result(output: List[XML.Tree] = Nil) {
def failed: Boolean = output.exists(Protocol.is_error)
}
object State {
val empty: State = State()
def finish(result: Result): State = State(output = result.output)
}
sealed case class State(
progress: Progress = new Progress,
process: Future[Unit] = Future.value(()),
output: List[XML.Tree] = Nil,
status: Status.Value = Status.FINISHED
)
}
class Document_Dockable(view: View, position: String) extends Dockable(view, position) {
GUI_Thread.require {}
/* component state -- owned by GUI thread */
private val current_state = Synchronized(Document_Dockable.State.empty)
private val process_indicator = new Process_Indicator
private val pretty_text_area = new Pretty_Text_Area(view)
private val message_pane = new TabbedPane
private def show_state(): Unit = GUI_Thread.later {
val st = current_state.value
pretty_text_area.update(Document.Snapshot.init, Command.Results.empty, st.output)
st.status match {
case Document_Dockable.Status.WAITING =>
process_indicator.update("Waiting for PIDE document content ...", 5)
case Document_Dockable.Status.RUNNING =>
process_indicator.update("Running document build process ...", 15)
case Document_Dockable.Status.FINISHED =>
process_indicator.update(null, 0)
}
}
private def show_page(page: TabbedPane.Page): Unit = GUI_Thread.later {
message_pane.selection.page = page
}
/* text area with zoom/resize */
override def detach_operation: Option[() => Unit] = pretty_text_area.detach_operation
private val zoom = new Font_Info.Zoom { override def changed(): Unit = handle_resize() }
private def handle_resize(): Unit = GUI_Thread.require { pretty_text_area.zoom(zoom) }
private val delay_resize: Delay =
Delay.first(PIDE.options.seconds("editor_update_delay"), gui = true) { handle_resize() }
addComponentListener(new ComponentAdapter {
override def componentResized(e: ComponentEvent): Unit = delay_resize.invoke()
override def componentShown(e: ComponentEvent): Unit = delay_resize.invoke()
})
/* progress log */
private val log_area = new TextArea {
editable = false
columns = 60
rows = 24
}
log_area.font = GUI.copy_font((new Label).font)
private val scroll_log_area = new ScrollPane(log_area)
private def init_progress() = {
GUI_Thread.later { log_area.text = "" }
new Progress {
override def echo(txt: String): Unit =
GUI_Thread.later {
log_area.append(txt + "\n")
val vertical = scroll_log_area.peer.getVerticalScrollBar
vertical.setValue(vertical.getMaximum)
}
override def theory(theory: Progress.Theory): Unit = echo(theory.message)
}
}
/* document build process */
private def cancel(): Unit =
current_state.change { st => st.process.cancel(); st }
private def build_document(): Unit = {
current_state.change { st =>
if (st.process.is_finished) {
val progress = init_progress()
val process =
Future.thread[Unit](name = "document_build") {
show_page(log_page)
val res =
Exn.capture {
progress.echo("Start " + Date.now())
Time.seconds(2.0).sleep()
progress.echo("Stop " + Date.now())
}
val msg =
res match {
case Exn.Res(_) => Protocol.make_message(XML.string("OK"))
case Exn.Exn(exn) => Protocol.error_message(XML.string(Exn.message(exn)))
}
val result = Document_Dockable.Result(output = List(msg))
current_state.change(_ => Document_Dockable.State.finish(result))
show_state()
show_page(output_page)
}
st.copy(progress = progress, process = process, status = Document_Dockable.Status.RUNNING)
}
else st
}
show_state()
}
private def view_document(): Unit = {
val path = Document_Dockable.document_output()
if (path.is_file) Isabelle_System.pdf_viewer(path)
}
/* controls */
private val document_session: GUI.Selector[String] =
new GUI.Selector(JEdit_Sessions.sessions_structure().build_topological_order.sorted) {
val title = "Session"
}
private val build_button =
new GUI.Button("<html><b>Build</b></html>") {
tooltip = "Build document"
override def clicked(): Unit = build_document()
}
private val cancel_button =
new GUI.Button("Cancel") {
tooltip = "Cancel build process"
override def clicked(): Unit = cancel()
}
private val view_button =
new GUI.Button("View") {
tooltip = "View document"
override def clicked(): Unit = view_document()
}
private val controls =
Wrap_Panel(List(document_session, process_indicator.component, build_button,
view_button, cancel_button))
add(controls.peer, BorderLayout.NORTH)
override def focusOnDefaultComponent(): Unit = build_button.requestFocus()
/* message pane with pages */
private val output_controls =
Wrap_Panel(List(pretty_text_area.search_label, pretty_text_area.search_field, zoom))
private val output_page =
new TabbedPane.Page("Output", new BorderPanel {
layout(output_controls) = BorderPanel.Position.North
layout(Component.wrap(pretty_text_area)) = BorderPanel.Position.Center
}, "Output from build process")
private val log_page =
new TabbedPane.Page("Log", new BorderPanel {
layout(log_area) = BorderPanel.Position.Center
}, "Raw log of build process")
message_pane.pages ++= List(output_page, log_page)
set_content(message_pane)
/* main */
private val main =
Session.Consumer[Session.Global_Options](getClass.getName) {
case _: Session.Global_Options =>
GUI_Thread.later { handle_resize() }
}
override def init(): Unit = {
PIDE.session.global_options += main
handle_resize()
}
override def exit(): Unit = {
PIDE.session.global_options -= main
delay_resize.revoke()
}
}