author | wenzelm |
Sun, 12 Mar 2017 17:59:03 +0100 | |
changeset 65199 | 6bd7081f8319 |
parent 65196 | e8760a98db78 |
child 65246 | 848965b5befc |
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, purge: Boolean = false): Unit = |
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GUI_Thread.require { |
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val (doc_blobs, edits) = Document_Model.flush_edits(hidden, purge) |
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session.update(doc_blobs, edits) |
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} |
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def purge() { flush(purge = true) } |
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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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(for { |
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text_area <- JEdit_Lib.jedit_text_areas() |
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doc_view <- Document_View.get(text_area) |
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} yield doc_view.model.node_name).contains(name) |
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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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Document_View.get(text_area) match { |
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case Some(doc_view) if doc_view.model.is_theory => |
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snapshot.current_command(doc_view.model.node_name, text_area.getCaretPosition) |
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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).headOption |
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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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def hyperlink_url(name: String): Hyperlink = |
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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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} |
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} |
211 |
} |
|
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override def toString: String = "URL " + quote(name) |
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} |
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|
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def hyperlink_file(focus: Boolean, name: String): Hyperlink = |
216 |
hyperlink_file(focus, Line.Node_Position(name)) |
|
217 |
||
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def hyperlink_file(focus: Boolean, pos: Line.Node_Position): Hyperlink = |
|
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new Hyperlink { |
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def follow(view: View): Unit = goto_file(focus, view, pos) |
221 |
override def toString: String = "file " + quote(pos.name) |
|
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} |
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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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231 |
case buffer_model: Buffer_Model => |
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232 |
new Hyperlink { |
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233 |
def follow(view: View): Unit = goto_buffer(focus, view, buffer_model.buffer, offset) |
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diff
changeset
|
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override def toString: String = "buffer " + quote(model.node_name.node) |
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parents:
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|
235 |
} |
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wenzelm
parents:
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changeset
|
236 |
} |
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parents:
64817
diff
changeset
|
237 |
|
64653 | 238 |
def hyperlink_source_file(focus: Boolean, source_name: String, line1: Int, offset: Symbol.Offset) |
55878 | 239 |
: Option[Hyperlink] = |
240 |
{ |
|
64657 | 241 |
for (name <- PIDE.resources.source_file(source_name)) yield { |
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diff
changeset
|
242 |
def hyperlink(pos: Line.Position) = |
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diff
changeset
|
243 |
hyperlink_file(focus, Line.Node_Position(name, pos)) |
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|
244 |
|
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245 |
if (offset > 0) { |
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246 |
PIDE.resources.get_file_content(PIDE.resources.node_name(name)) match { |
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|
247 |
case Some(text) => |
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|
248 |
hyperlink( |
64657 | 249 |
(Line.Position.zero /: |
64841
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parents:
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diff
changeset
|
250 |
(Symbol.iterator(text). |
65196
e8760a98db78
discontinued pointless Text.Length: Javascript and Java agree in old-fashioned UTF-16;
wenzelm
parents:
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diff
changeset
|
251 |
zipWithIndex.takeWhile(p => p._2 < offset - 1).map(_._1)))(_.advance(_))) |
64841
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|
252 |
case None => |
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|
253 |
hyperlink(Line.Position((line1 - 1) max 0)) |
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parents:
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diff
changeset
|
254 |
} |
55878 | 255 |
} |
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parents:
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diff
changeset
|
256 |
else hyperlink(Line.Position((line1 - 1) max 0)) |
55878 | 257 |
} |
258 |
} |
|
55876 | 259 |
|
56461 | 260 |
override def hyperlink_command( |
64664 | 261 |
focus: Boolean, snapshot: Document.Snapshot, id: Document_ID.Generic, offset: Symbol.Offset = 0) |
60893 | 262 |
: Option[Hyperlink] = |
56461 | 263 |
{ |
264 |
if (snapshot.is_outdated) None |
|
64665 | 265 |
else snapshot.find_command_position(id, offset).map(hyperlink_file(focus, _)) |
56461 | 266 |
} |
267 |
||
61011 | 268 |
def is_hyperlink_position(snapshot: Document.Snapshot, |
269 |
text_offset: Text.Offset, pos: Position.T): Boolean = |
|
270 |
{ |
|
271 |
pos match { |
|
64667 | 272 |
case Position.Item_Id(id, range) if range.start > 0 => |
64665 | 273 |
snapshot.find_command(id) match { |
61011 | 274 |
case Some((node, command)) if snapshot.version.nodes(command.node_name) eq node => |
275 |
node.command_start(command) match { |
|
64667 | 276 |
case Some(start) => text_offset == start + command.chunk.decode(range.start) |
61011 | 277 |
case None => false |
278 |
} |
|
279 |
case _ => false |
|
280 |
} |
|
281 |
case _ => false |
|
282 |
} |
|
283 |
} |
|
284 |
||
60893 | 285 |
def hyperlink_position(focus: Boolean, snapshot: Document.Snapshot, pos: Position.T) |
286 |
: Option[Hyperlink] = |
|
60874 | 287 |
pos match { |
64667 | 288 |
case Position.Item_File(name, line, range) => |
289 |
hyperlink_source_file(focus, name, line, range.start) |
|
290 |
case Position.Item_Id(id, range) => |
|
291 |
hyperlink_command(focus, snapshot, id, range.start) |
|
60874 | 292 |
case _ => None |
293 |
} |
|
294 |
||
60893 | 295 |
def hyperlink_def_position(focus: Boolean, snapshot: Document.Snapshot, pos: Position.T) |
296 |
: Option[Hyperlink] = |
|
60874 | 297 |
pos match { |
64667 | 298 |
case Position.Item_Def_File(name, line, range) => |
299 |
hyperlink_source_file(focus, name, line, range.start) |
|
300 |
case Position.Item_Def_Id(id, range) => |
|
301 |
hyperlink_command(focus, snapshot, id, range.start) |
|
60874 | 302 |
case _ => None |
303 |
} |
|
52971
31926d2c04ee
tuned signature -- more abstract PIDE editor operations;
wenzelm
parents:
diff
changeset
|
304 |
} |