--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/Tools/jEdit/src/output_dockable.scala Wed Jun 08 17:42:07 2011 +0200
@@ -0,0 +1,163 @@
+/* Title: Tools/jEdit/src/output_dockable.scala
+ Author: Makarius
+
+Dockable window with result message output.
+*/
+
+package isabelle.jedit
+
+
+import isabelle._
+
+import scala.actors.Actor._
+
+import scala.swing.{FlowPanel, Button, CheckBox}
+import scala.swing.event.ButtonClicked
+
+import java.awt.BorderLayout
+import java.awt.event.{ComponentEvent, ComponentAdapter}
+
+import org.gjt.sp.jedit.View
+
+
+class Output_Dockable(view: View, position: String) extends Dockable(view, position)
+{
+ Swing_Thread.require()
+
+ private val html_panel =
+ new HTML_Panel(Isabelle.system, Isabelle.font_family(), scala.math.round(Isabelle.font_size()))
+ {
+ override val handler: PartialFunction[HTML_Panel.Event, Unit] = {
+ case HTML_Panel.Mouse_Click(elem, event) if elem.getClassName() == "sendback" =>
+ val text = elem.getFirstChild().getNodeValue()
+
+ Document_View(view.getTextArea) match {
+ case Some(doc_view) =>
+ val cmd = current_command.get
+ val start_ofs = doc_view.model.snapshot().node.command_start(cmd).get
+ val buffer = view.getBuffer
+ buffer.beginCompoundEdit()
+ buffer.remove(start_ofs, cmd.length)
+ buffer.insert(start_ofs, text)
+ buffer.endCompoundEdit()
+ case None =>
+ }
+ }
+ }
+
+ set_content(html_panel)
+
+
+ /* component state -- owned by Swing thread */
+
+ private var zoom_factor = 100
+ private var show_tracing = false
+ private var follow_caret = true
+ private var current_command: Option[Command] = None
+
+
+ private def handle_resize()
+ {
+ Swing_Thread.now {
+ html_panel.resize(Isabelle.font_family(),
+ scala.math.round(Isabelle.font_size() * zoom_factor / 100))
+ }
+ }
+
+ private def handle_perspective(): Boolean =
+ Swing_Thread.now {
+ Document_View(view.getTextArea) match {
+ case Some(doc_view) =>
+ val cmd = doc_view.selected_command()
+ if (current_command == cmd) false
+ else { current_command = cmd; true }
+ case None => false
+ }
+ }
+
+ private def handle_update(restriction: Option[Set[Command]] = None)
+ {
+ Swing_Thread.now {
+ if (follow_caret) handle_perspective()
+ Document_View(view.getTextArea) match {
+ case Some(doc_view) =>
+ current_command match {
+ case Some(cmd) if !restriction.isDefined || restriction.get.contains(cmd) =>
+ val snapshot = doc_view.model.snapshot()
+ val filtered_results =
+ snapshot.state(cmd).results.iterator.map(_._2) filter {
+ case XML.Elem(Markup(Markup.TRACING, _), _) => show_tracing // FIXME not scalable
+ case _ => true
+ }
+ html_panel.render(filtered_results.toList)
+ case _ =>
+ }
+ case None =>
+ }
+ }
+ }
+
+
+ /* main actor */
+
+ private val main_actor = actor {
+ loop {
+ react {
+ case Session.Global_Settings => handle_resize()
+ case Session.Commands_Changed(changed) => handle_update(Some(changed))
+ case Session.Perspective => if (follow_caret && handle_perspective()) handle_update()
+ case bad => System.err.println("Output_Dockable: ignoring bad message " + bad)
+ }
+ }
+ }
+
+ override def init()
+ {
+ Isabelle.session.global_settings += main_actor
+ Isabelle.session.commands_changed += main_actor
+ Isabelle.session.perspective += main_actor
+ }
+
+ override def exit()
+ {
+ Isabelle.session.global_settings -= main_actor
+ Isabelle.session.commands_changed -= main_actor
+ Isabelle.session.perspective -= main_actor
+ }
+
+
+ /* resize */
+
+ addComponentListener(new ComponentAdapter {
+ val delay = Swing_Thread.delay_last(Isabelle.session.update_delay) { handle_resize() }
+ override def componentResized(e: ComponentEvent) { delay() }
+ })
+
+
+ /* controls */
+
+ private val zoom = new Library.Zoom_Box(factor => { zoom_factor = factor; handle_resize() })
+ zoom.tooltip = "Zoom factor for basic font size"
+
+ private val tracing = new CheckBox("Tracing") {
+ reactions += { case ButtonClicked(_) => show_tracing = this.selected; handle_update() }
+ }
+ tracing.selected = show_tracing
+ tracing.tooltip = "Indicate output of tracing messages"
+
+ private val auto_update = new CheckBox("Auto update") {
+ reactions += { case ButtonClicked(_) => follow_caret = this.selected; handle_update() }
+ }
+ auto_update.selected = follow_caret
+ auto_update.tooltip = "Indicate automatic update following cursor movement"
+
+ private val update = new Button("Update") {
+ reactions += { case ButtonClicked(_) => handle_perspective(); handle_update() }
+ }
+ update.tooltip = "Update display according to the command at cursor position"
+
+ private val controls = new FlowPanel(FlowPanel.Alignment.Right)(zoom, tracing, auto_update, update)
+ add(controls.peer, BorderLayout.NORTH)
+
+ handle_update()
+}