author | wenzelm |
Sun, 20 Feb 2022 15:30:07 +0100 | |
changeset 75105 | 03115c9eea00 |
parent 73987 | fc363a3b690a |
child 75393 | 87ebf5a50283 |
permissions | -rw-r--r-- |
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/* Title: Tools/jEdit/src/graphview_dockable.scala |
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Author: Makarius |
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Stateless dockable window for graphview. |
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parents:
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*/ |
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package isabelle.jedit |
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|
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added Graphview tool, based on Isabelle/Scala and Swing/Graphics2D;
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parents:
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|
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added Graphview tool, based on Isabelle/Scala and Swing/Graphics2D;
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parents:
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import isabelle._ |
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import javax.swing.JComponent |
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import java.awt.{Point, Font} |
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import java.awt.event.{WindowFocusListener, WindowEvent} |
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parents:
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import org.gjt.sp.jedit.View |
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import scala.swing.TextArea |
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object Graphview_Dockable |
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{ |
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/* implicit arguments -- owned by GUI thread */ |
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private var implicit_snapshot = Document.Snapshot.init |
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|
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private val no_graph: Exn.Result[Graph_Display.Graph] = Exn.Exn(ERROR("No graph")) |
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private var implicit_graph = no_graph |
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private def set_implicit( |
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snapshot: Document.Snapshot, graph: Exn.Result[Graph_Display.Graph]): Unit = |
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{ |
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GUI_Thread.require {} |
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implicit_snapshot = snapshot |
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implicit_graph = graph |
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} |
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|
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private def reset_implicit(): Unit = |
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set_implicit(Document.Snapshot.init, no_graph) |
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class Handler extends Active.Handler |
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{ |
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override def handle( |
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view: View, text: String, elem: XML.Elem, |
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doc_view: Document_View, snapshot: Document.Snapshot): Boolean = |
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{ |
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elem match { |
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case XML.Elem(Markup(Markup.GRAPHVIEW, _), body) => |
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Isabelle_Thread.fork(name = "graphview") { |
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val graph = |
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Exn.capture { |
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Graph_Display.decode_graph(body).transitive_reduction_acyclic |
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} |
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GUI_Thread.later { |
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set_implicit(snapshot, graph) |
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view.getDockableWindowManager.floatDockableWindow("isabelle-graphview") |
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} |
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} |
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true |
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case _ => false |
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} |
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} |
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} |
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} |
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class Graphview_Dockable(view: View, position: String) extends Dockable(view, position) |
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{ |
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private val snapshot = Graphview_Dockable.implicit_snapshot |
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private val graph_result = Graphview_Dockable.implicit_graph |
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private val window_focus_listener = |
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new WindowFocusListener { |
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def windowGainedFocus(e: WindowEvent): Unit = |
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Graphview_Dockable.set_implicit(snapshot, graph_result) |
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def windowLostFocus(e: WindowEvent): Unit = |
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Graphview_Dockable.reset_implicit() |
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} |
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val graphview = |
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graph_result match { |
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case Exn.Res(graph) => |
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val graphview = new isabelle.graphview.Graphview(graph) { |
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def options: Options = PIDE.options.value |
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||
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override def make_tooltip(parent: JComponent, x: Int, y: Int, body: XML.Body): String = |
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{ |
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Pretty_Tooltip.invoke(() => |
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{ |
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val model = File_Model.empty(PIDE.session) |
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val rendering = JEdit_Rendering(snapshot, model, options) |
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val info = Text.Info(Text.Range.offside, body) |
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Pretty_Tooltip(view, parent, new Point(x, y), rendering, Command.Results.empty, info) |
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}) |
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null |
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} |
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override def make_font(): Font = |
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if (editor_style) GUI.imitate_font(Font_Info.main().font) |
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else |
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GUI.imitate_font(Font_Info.main().font, |
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family = options.string("graphview_font_family"), |
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scale = options.real("graphview_font_scale")) |
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override def foreground_color = |
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if (editor_style) view.getTextArea.getPainter.getForeground |
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else super.foreground_color |
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override def background_color = |
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if (editor_style) view.getTextArea.getPainter.getBackground |
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else super.background_color |
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override def selection_color = |
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if (editor_style) view.getTextArea.getPainter.getSelectionColor |
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else super.selection_color |
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override def highlight_color = |
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if (editor_style) view.getTextArea.getPainter.getLineHighlightColor |
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else super.highlight_color |
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override def error_color = PIDE.options.color_value("error_color") |
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editor_style = true |
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} |
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new isabelle.graphview.Main_Panel(graphview) |
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case Exn.Exn(exn) => new TextArea(Exn.message(exn)) |
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} |
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set_content(graphview) |
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override def focusOnDefaultComponent(): Unit = |
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{ |
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graphview match { |
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case main_panel: isabelle.graphview.Main_Panel => |
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main_panel.tree_panel.tree.requestFocusInWindow |
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case _ => |
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} |
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} |
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/* main */ |
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private val main = |
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Session.Consumer[Session.Global_Options](getClass.getName) { |
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case _: Session.Global_Options => |
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GUI_Thread.later { |
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graphview match { |
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case main_panel: isabelle.graphview.Main_Panel => |
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main_panel.update_layout() |
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case _ => |
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} |
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} |
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} |
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override def init(): Unit = |
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{ |
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GUI.parent_window(this).foreach(_.addWindowFocusListener(window_focus_listener)) |
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PIDE.session.global_options += main |
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} |
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override def exit(): Unit = |
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{ |
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GUI.parent_window(this).foreach(_.removeWindowFocusListener(window_focus_listener)) |
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PIDE.session.global_options -= main |
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} |
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} |