author | wenzelm |
Sun, 08 Jan 2017 16:47:53 +0100 | |
changeset 64835 | fd1efd6dd385 |
parent 64829 | 07f209e957bc |
child 64840 | d67253005c0c |
permissions | -rw-r--r-- |
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/* Title: Tools/jEdit/src/jedit_editor.scala |
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Author: Makarius |
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PIDE editor operations for jEdit. |
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*/ |
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package isabelle.jedit |
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import isabelle._ |
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import java.io.{File => JFile} |
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import org.gjt.sp.jedit.{jEdit, View, Buffer} |
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import org.gjt.sp.jedit.browser.VFSBrowser |
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class JEdit_Editor extends Editor[View] |
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{ |
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/* session */ |
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override def session: Session = PIDE.session |
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override def flush(hidden: Boolean = false): Unit = |
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GUI_Thread.require { |
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val (doc_blobs, edits) = Document_Model.flush_edits(hidden) |
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session.update(doc_blobs, edits) |
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} |
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private val delay1_flush = |
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GUI_Thread.delay_last(PIDE.options.seconds("editor_input_delay")) { flush() } |
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private val delay2_flush = |
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GUI_Thread.delay_first(PIDE.options.seconds("editor_generated_input_delay")) { flush() } |
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def invoke(): Unit = delay1_flush.invoke() |
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def invoke_generated(): Unit = { delay1_flush.invoke(); delay2_flush.invoke() } |
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def visible_node(name: Document.Node.Name): Boolean = |
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JEdit_Lib.jedit_buffer(name) match { |
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case Some(buffer) => JEdit_Lib.jedit_text_areas(buffer).nonEmpty |
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case None => false |
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} |
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/* current situation */ |
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override def current_context: View = |
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GUI_Thread.require { jEdit.getActiveView() } |
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override def current_node(view: View): Option[Document.Node.Name] = |
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GUI_Thread.require { Document_Model.get(view.getBuffer).map(_.node_name) } |
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override def current_node_snapshot(view: View): Option[Document.Snapshot] = |
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GUI_Thread.require { Document_Model.get(view.getBuffer).map(_.snapshot()) } |
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override def node_snapshot(name: Document.Node.Name): Document.Snapshot = |
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{ |
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GUI_Thread.require {} |
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Document_Model.get(name) match { |
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case Some(model) => model.snapshot |
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case None => session.snapshot(name) |
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} |
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} |
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override def current_command(view: View, snapshot: Document.Snapshot): Option[Command] = |
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{ |
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GUI_Thread.require {} |
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val text_area = view.getTextArea |
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val buffer = view.getBuffer |
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PIDE.document_view(text_area) match { |
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case Some(doc_view) if doc_view.model.is_theory => |
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val node = snapshot.version.nodes(doc_view.model.node_name) |
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val caret = snapshot.revert(text_area.getCaretPosition) |
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if (caret < buffer.getLength) { |
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val caret_command_iterator = node.command_iterator(caret) |
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if (caret_command_iterator.hasNext) { |
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val (cmd0, _) = caret_command_iterator.next |
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node.commands.reverse.iterator(cmd0).find(cmd => !cmd.is_ignored) |
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} |
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else None |
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} |
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else node.commands.reverse.iterator.find(cmd => !cmd.is_ignored) |
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case _ => |
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Document_Model.get(buffer) match { |
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case Some(model) if !model.is_theory => |
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snapshot.version.nodes.commands_loading(model.node_name) match { |
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case cmd :: _ => Some(cmd) |
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case Nil => None |
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} |
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case _ => None |
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} |
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} |
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} |
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/* overlays */ |
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private val overlays = Synchronized(Document.Overlays.empty) |
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override def node_overlays(name: Document.Node.Name): Document.Node.Overlays = |
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overlays.value(name) |
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override def insert_overlay(command: Command, fn: String, args: List[String]): Unit = |
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overlays.change(_.insert(command, fn, args)) |
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override def remove_overlay(command: Command, fn: String, args: List[String]): Unit = |
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overlays.change(_.remove(command, fn, args)) |
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/* navigation */ |
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def push_position(view: View) |
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{ |
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val navigator = jEdit.getPlugin("ise.plugin.nav.NavigatorPlugin") |
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if (navigator != null) { |
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try { Untyped.method(navigator.getClass, "pushPosition", view.getClass).invoke(null, view) } |
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catch { case _: NoSuchMethodException => } |
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} |
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} |
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def goto_buffer(focus: Boolean, view: View, buffer: Buffer, offset: Text.Offset) |
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{ |
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GUI_Thread.require {} |
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push_position(view) |
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if (focus) view.goToBuffer(buffer) else view.showBuffer(buffer) |
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try { view.getTextArea.moveCaretPosition(offset) } |
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catch { |
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case _: ArrayIndexOutOfBoundsException => |
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case _: IllegalArgumentException => |
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} |
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} |
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def goto_file(focus: Boolean, view: View, name: String): Unit = |
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goto_file(focus, view, Line.Node_Position(name)) |
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def goto_file(focus: Boolean, view: View, pos: Line.Node_Position) |
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{ |
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GUI_Thread.require {} |
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push_position(view) |
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val name = pos.name |
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val line = pos.line |
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val column = pos.column |
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JEdit_Lib.jedit_buffer(name) match { |
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case Some(buffer) => |
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if (focus) view.goToBuffer(buffer) else view.showBuffer(buffer) |
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val text_area = view.getTextArea |
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try { |
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val line_start = text_area.getBuffer.getLineStartOffset(line) |
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text_area.moveCaretPosition(line_start) |
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if (column > 0) text_area.moveCaretPosition(line_start + column) |
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} |
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catch { |
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case _: ArrayIndexOutOfBoundsException => |
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case _: IllegalArgumentException => |
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} |
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case None if (new JFile(name)).isDirectory => |
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VFSBrowser.browseDirectory(view, name) |
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case None => |
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val args = |
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if (line <= 0) Array(name) |
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else if (column <= 0) Array(name, "+line:" + (line + 1)) |
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else Array(name, "+line:" + (line + 1) + "," + (column + 1)) |
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jEdit.openFiles(view, null, args) |
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} |
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} |
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def goto_doc(view: View, path: Path) |
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{ |
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if (path.is_file) |
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goto_file(true, view, File.platform_path(path)) |
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else { |
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Standard_Thread.fork("documentation") { |
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try { Doc.view(path) } |
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catch { |
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case exn: Throwable => |
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GUI_Thread.later { |
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GUI.error_dialog(view, |
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"Documentation error", GUI.scrollable_text(Exn.message(exn))) |
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} |
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} |
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} |
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} |
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} |
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/* hyperlinks */ |
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def hyperlink_doc(name: String): Option[Hyperlink] = |
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Doc.contents().collectFirst({ |
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case doc: Doc.Text_File if doc.name == name => doc.path |
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case doc: Doc.Doc if doc.name == name => doc.path}).map(path => |
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new Hyperlink { |
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override val external = !path.is_file |
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def follow(view: View): Unit = goto_doc(view, path) |
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override def toString: String = "doc " + quote(name) |
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}) |
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|
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def hyperlink_url(name: String): Hyperlink = |
211 |
new Hyperlink { |
|
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override val external = true |
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def follow(view: View): Unit = |
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Standard_Thread.fork("hyperlink_url") { |
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try { Isabelle_System.open(Url.escape(name)) } |
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catch { |
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case exn: Throwable => |
|
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GUI_Thread.later { |
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GUI.error_dialog(view, "System error", GUI.scrollable_text(Exn.message(exn))) |
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} |
56729 | 221 |
} |
222 |
} |
|
56461 | 223 |
override def toString: String = "URL " + quote(name) |
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} |
55876 | 225 |
|
64653 | 226 |
def hyperlink_file(focus: Boolean, name: String): Hyperlink = |
227 |
hyperlink_file(focus, Line.Node_Position(name)) |
|
228 |
||
229 |
def hyperlink_file(focus: Boolean, pos: Line.Node_Position): Hyperlink = |
|
56461 | 230 |
new Hyperlink { |
64653 | 231 |
def follow(view: View): Unit = goto_file(focus, view, pos) |
232 |
override def toString: String = "file " + quote(pos.name) |
|
56461 | 233 |
} |
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|
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def hyperlink_model(focus: Boolean, model: Document_Model, offset: Text.Offset): Hyperlink = |
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model match { |
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case file_model: File_Model => |
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val pos = |
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try { file_model.node_position(offset) } |
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catch { case ERROR(_) => Line.Node_Position(file_model.node_name.node) } |
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hyperlink_file(focus, pos) |
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case buffer_model: Buffer_Model => |
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243 |
new Hyperlink { |
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def follow(view: View): Unit = goto_buffer(focus, view, buffer_model.buffer, offset) |
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override def toString: String = "buffer " + quote(model.node_name.node) |
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246 |
} |
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247 |
} |
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248 |
|
64653 | 249 |
def hyperlink_source_file(focus: Boolean, source_name: String, line1: Int, offset: Symbol.Offset) |
55878 | 250 |
: Option[Hyperlink] = |
251 |
{ |
|
64657 | 252 |
for (name <- PIDE.resources.source_file(source_name)) yield { |
253 |
JEdit_Lib.jedit_buffer(name) match { |
|
254 |
case Some(buffer) if offset > 0 => |
|
255 |
val pos = |
|
256 |
JEdit_Lib.buffer_lock(buffer) { |
|
257 |
(Line.Position.zero /: |
|
258 |
(Symbol.iterator(JEdit_Lib.buffer_text(buffer)). |
|
64682 | 259 |
zipWithIndex.takeWhile(p => p._2 < offset - 1). |
260 |
map(_._1)))(_.advance(_, Text.Length)) |
|
64657 | 261 |
} |
262 |
hyperlink_file(focus, Line.Node_Position(name, pos)) |
|
263 |
case _ => |
|
264 |
hyperlink_file(focus, Line.Node_Position(name, Line.Position((line1 - 1) max 0))) |
|
55878 | 265 |
} |
266 |
} |
|
267 |
} |
|
55876 | 268 |
|
56461 | 269 |
override def hyperlink_command( |
64664 | 270 |
focus: Boolean, snapshot: Document.Snapshot, id: Document_ID.Generic, offset: Symbol.Offset = 0) |
60893 | 271 |
: Option[Hyperlink] = |
56461 | 272 |
{ |
273 |
if (snapshot.is_outdated) None |
|
64665 | 274 |
else snapshot.find_command_position(id, offset).map(hyperlink_file(focus, _)) |
56461 | 275 |
} |
276 |
||
61011 | 277 |
def is_hyperlink_position(snapshot: Document.Snapshot, |
278 |
text_offset: Text.Offset, pos: Position.T): Boolean = |
|
279 |
{ |
|
280 |
pos match { |
|
64667 | 281 |
case Position.Item_Id(id, range) if range.start > 0 => |
64665 | 282 |
snapshot.find_command(id) match { |
61011 | 283 |
case Some((node, command)) if snapshot.version.nodes(command.node_name) eq node => |
284 |
node.command_start(command) match { |
|
64667 | 285 |
case Some(start) => text_offset == start + command.chunk.decode(range.start) |
61011 | 286 |
case None => false |
287 |
} |
|
288 |
case _ => false |
|
289 |
} |
|
290 |
case _ => false |
|
291 |
} |
|
292 |
} |
|
293 |
||
60893 | 294 |
def hyperlink_position(focus: Boolean, snapshot: Document.Snapshot, pos: Position.T) |
295 |
: Option[Hyperlink] = |
|
60874 | 296 |
pos match { |
64667 | 297 |
case Position.Item_File(name, line, range) => |
298 |
hyperlink_source_file(focus, name, line, range.start) |
|
299 |
case Position.Item_Id(id, range) => |
|
300 |
hyperlink_command(focus, snapshot, id, range.start) |
|
60874 | 301 |
case _ => None |
302 |
} |
|
303 |
||
60893 | 304 |
def hyperlink_def_position(focus: Boolean, snapshot: Document.Snapshot, pos: Position.T) |
305 |
: Option[Hyperlink] = |
|
60874 | 306 |
pos match { |
64667 | 307 |
case Position.Item_Def_File(name, line, range) => |
308 |
hyperlink_source_file(focus, name, line, range.start) |
|
309 |
case Position.Item_Def_Id(id, range) => |
|
310 |
hyperlink_command(focus, snapshot, id, range.start) |
|
60874 | 311 |
case _ => None |
312 |
} |
|
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|
313 |
} |