author | wenzelm |
Tue, 27 Jun 2017 11:49:47 +0200 | |
changeset 66201 | d8f2c745f572 |
parent 66099 | d1639e7877cc |
child 66206 | 2d2082db735a |
permissions | -rw-r--r-- |
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/* Title: Tools/VSCode/src/state_panel.scala |
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Author: Makarius |
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Show proof state. |
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*/ |
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package isabelle.vscode |
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import isabelle._ |
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object State_Panel |
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{ |
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private val make_id = Counter.make() |
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private val instances = Synchronized(Map.empty[Counter.ID, State_Panel]) |
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def init(server: Server) |
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{ |
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val instance = new State_Panel(server) |
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instances.change(_ + (instance.id -> instance)) |
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instance.init() |
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} |
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def exit(id: Counter.ID) |
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{ |
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instances.change(map => |
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map.get(id) match { |
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case None => map |
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case Some(instance) => instance.exit(); map - id |
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}) |
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} |
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def locate(id: Counter.ID): Unit = |
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instances.value.get(id).foreach(state => |
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state.server.editor.send_dispatcher(state.locate())) |
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def update(id: Counter.ID): Unit = |
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instances.value.get(id).foreach(state => |
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state.server.editor.send_dispatcher(state.update())) |
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} |
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class State_Panel private(val server: Server) |
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{ |
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/* output */ |
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val id: Counter.ID = State_Panel.make_id() |
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private def output(content: String): Unit = |
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server.channel.write(Protocol.State_Output(id, content)) |
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/* query operation */ |
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private val print_state = |
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new Query_Operation(server.editor, (), "print_state", _ => (), |
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(snapshot, results, body) => |
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{ |
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val text = server.resources.output_pretty_message(Pretty.separate(body)) |
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val content = |
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HTML.output_document( |
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List(HTML.style(HTML.fonts_css()), |
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HTML.style_file(Url.print_file(HTML.isabelle_css.file))), |
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66201
d8f2c745f572
GUI controls similar to Tools/jEdit/src/state_dockable.scala;
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parents:
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List(controls, HTML.source(text)), |
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css = "") |
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output(content) |
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}) |
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def locate() { print_state.locate_query() } |
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def update() |
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{ |
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server.editor.current_node_snapshot(()) match { |
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case Some(snapshot) => |
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(server.editor.current_command((), snapshot), print_state.get_location) match { |
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case (Some(command1), Some(command2)) if command1.id == command2.id => |
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case _ => print_state.apply_query(Nil) |
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} |
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case None => |
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} |
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} |
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/* auto update */ |
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private val auto_update_enabled = Synchronized(true) |
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def set_auto_update(b: Boolean) { auto_update_enabled.change(_ => b); if (b) update() } |
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def auto_update() { if (auto_update_enabled.value) update() } |
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GUI controls similar to Tools/jEdit/src/state_dockable.scala;
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/* controls */ |
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private def id_parameter: XML.Elem = |
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HTML.GUI.parameter(id.toString, name = "id") |
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private def auto_update_button: XML.Elem = |
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HTML.GUI.checkbox(HTML.text("Auto update"), |
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name = "auto_update", |
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tooltip = "Indicate automatic update following cursor movement", |
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submit = true, |
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selected = auto_update_enabled.value) |
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private def update_button: XML.Elem = |
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HTML.GUI.button(List(HTML.bold(HTML.text("Update"))), |
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name = "update", |
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tooltip = "Update display according to the command at cursor position", |
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submit = true) |
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private def locate_button: XML.Elem = |
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HTML.GUI.button(HTML.text("Locate"), |
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name = "locate", |
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tooltip = "Locate printed command within source text", |
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submit = true) |
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private val controls: XML.Elem = |
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HTML.Wrap_Panel( |
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contents = List(id_parameter, auto_update_button, update_button, locate_button), |
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alignment = HTML.Wrap_Panel.Alignment.right) |
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/* main */ |
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private val main = |
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Session.Consumer[Any](getClass.getName) { |
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case changed: Session.Commands_Changed => |
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if (changed.assignment) auto_update() |
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case Session.Caret_Focus => |
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auto_update() |
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} |
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def init() |
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{ |
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server.session.commands_changed += main |
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server.session.caret_focus += main |
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server.editor.send_wait_dispatcher { print_state.activate() } |
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server.editor.send_dispatcher { auto_update() } |
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} |
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def exit() |
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{ |
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server.editor.send_wait_dispatcher { print_state.deactivate() } |
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server.session.commands_changed -= main |
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server.session.caret_focus -= main |
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} |
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} |