Fix #8089 - phase 1 - code ast navigation
[roobuilder] / src / Builder4 / Editor.bjs
index 29ed59d..dd0a0c2 100644 (file)
    "int last_search_end" : 0,
    "items" : [
     {
-     "$ homogeneous" : false,
      "$ xns" : "Gtk",
      "Gtk.Orientation orientation" : "Gtk.Orientation.HORIZONTAL",
-     "bool hexpand" : true,
      "items" : [
       {
        "$ xns" : "Gtk",
-       "id" : "save_button",
-       "label" : "Save",
-       "listeners" : {
-        "clicked" : [
-         " () => { ",
-         "    _this.saveContents();",
-         "}",
-         "  "
-        ]
-       },
-       "xtype" : "Button"
-      },
-      {
-       "$ xns" : "Gtk",
-       "bool hexpand" : true,
-       "xtype" : "Label"
-      },
-      {
-       "$ xns" : "Gtk",
-       "* ctor" : "new Gtk.Scale.with_range (Gtk.Orientation.HORIZONTAL,6, 30, 1)",
-       "* init" : [
-        "{",
-        "\t//this.el.set_range(6,30);",
-        " \tthis.el.set_value ( BuilderApplication.settings.editor_font_size);",
-        " \tBuilderApplication.settings.editor_font_size_updated.connect(",
-        " \t\t() => {",
-        " \t\t\tBuilderApplication.settings.editor_font_size_inchange = true;",
-        " \t\t//\tGLib.debug(\"update range\");",
-        " \t\t \tthis.el.set_value (BuilderApplication.settings.editor_font_size);",
-        " \t\t \tBuilderApplication.settings.editor_font_size_inchange = false;",
-        " \t\t}",
-        "\t);",
-        "\t",
-        " ",
-        "}",
-        ""
-       ],
-       "bool draw_value" : false,
-       "bool has_origin" : true,
-       "bool sensitive" : true,
-       "int digits" : 0,
-       "int width_request" : 200,
-       "listeners" : {
-        "change_value" : [
-         "(st, val ) => {",
-         "\tif (BuilderApplication.settings.editor_font_size_inchange) {",
-         "\t\treturn false;",
-         "\t}",
-         "  \tBuilderApplication.settings.editor_font_size = val;",
-         " \treturn false;",
-         "}"
-        ]
-       },
-       "xtype" : "Scale"
-      },
-      {
-       "$ xns" : "Gtk",
-       "id" : "close_btn",
+       "* prop" : "start_child",
+       "Gtk.Orientation orientation" : "Gtk.Orientation.VERTICAL",
+       "int spacing" : 0,
        "items" : [
         {
+         "$ homogeneous" : false,
          "$ xns" : "Gtk",
-         "* prop" : "child",
-         "Gtk.IconSize icon_size" : "Gtk.IconSize.NORMAL",
-         "string icon_name" : "window-close",
-         "xtype" : "Image"
-        }
-       ],
-       "listeners" : {
-        "clicked" : [
-         " () => { ",
-         "    _this.saveContents();",
-         "    _this.window.windowstate.switchState(WindowState.State.PREVIEW);",
-         "}",
-         "  "
-        ]
-       },
-       "string icon_name" : "window-close",
-       "xtype" : "Button"
-      }
-     ],
-     "xtype" : "Box"
-    },
-    {
-     "$ xns" : "Gtk",
-     "Gtk.PolicyType hscrollbar_policy" : "Gtk.PolicyType.AUTOMATIC",
-     "Gtk.PolicyType vscrollbar_policy" : "Gtk.PolicyType.AUTOMATIC",
-     "bool overlay_scrolling" : false,
-     "bool vexpand" : true,
-     "id" : "RightEditor",
-     "items" : [
-      {
-       "# Gtk.CssProvider css" : "null",
-       "$ gboolean auto_indent" : true,
-       "$ xns" : "GtkSource",
-       "* init" : [
-        "",
-        " ",
-        "\t",
-        " ",
-        " ",
-        "this.el.completion.add_provider(",
-        "\tnew Palete.CompletionProvider(_this)",
-        ");",
-        " ",
-        "var hover = this.el.get_hover();",
-        "hover.add_provider(new Palete.HoverProvider(_this));",
-        "",
-        "//this.el.completion.unblock_interactive();",
-        "this.el.completion.select_on_show = true; // select",
-        "//this.el.completion.remember_info_visibility\t = true;",
-        "",
-        "",
-        "var attrs = new GtkSource.MarkAttributes();",
-        "",
-        "attrs.set_icon_name ( \"process-stop\");    ",
-        "attrs.query_tooltip_text.connect(( mark) => {",
-        "     GLib.debug(\"tooltip query? %s\", mark.name);",
-        "    return strdup( mark.name);",
-        "});",
-        " attrs.query_tooltip_markup.connect(( mark) => {",
-        "     GLib.debug(\"tooltip query? %s\", mark.name);",
-        "    return strdup( mark.name);",
-        "});",
-        "this.el.set_mark_attributes (\"ERR\", attrs, 1);",
-        "attrs.ref();",
-        "",
-        "",
-        "var wattrs = new GtkSource.MarkAttributes();",
-        "wattrs.set_icon_name ( \"process-stop\");    ",
-        "wattrs.query_tooltip_text.connect(( mark) => {",
-        "     GLib.debug(\"tooltip query? %s\", mark.name);",
-        "    return strdup(mark.name);",
-        "});",
-        "wattrs.query_tooltip_markup.connect(( mark) => {",
-        "     GLib.debug(\"tooltip query? %s\", mark.name);",
-        "    return strdup(mark.name);",
-        "});",
-        "this.el.set_mark_attributes (\"WARN\", wattrs, 1);",
-        "wattrs.ref();",
-        "",
-        " ",
-        "var dattrs = new GtkSource.MarkAttributes();",
-        " ",
-        "dattrs.set_icon_name ( \"process-stop\"); ",
-        "",
-        "dattrs.query_tooltip_text.connect(( mark) => {",
-        "\tGLib.debug(\"tooltip query? %s\", mark.name);",
-        "    return strdup(mark.name);",
-        "});",
-        "//dattrs.query_tooltip_markup.connect(( mark) => {",
-        "//\tGLib.debug(\"tooltip query? %s\", mark.name);",
-        " //   return strdup(mark.name);",
-        "//});",
-        "this.el.set_mark_attributes (\"DEPR\", dattrs, 1);",
-        "dattrs.ref();    ",
-        "",
-        " this.el.get_space_drawer().set_matrix(null);",
-        " this.el.get_space_drawer().set_types_for_locations( ",
-        "\tGtkSource.SpaceLocationFlags.ALL,",
-        "\tGtkSource.SpaceTypeFlags.ALL",
-        ");",
-        "this.el.get_space_drawer().set_enable_matrix(true);",
-        ""
-       ],
-       "* prop" : "child",
-       "bool has_tooltip" : true,
-       "bool hexpand" : true,
-       "bool insert_spaces_instead_of_tabs" : true,
-       "bool vexpand" : true,
-       "boolean show_line_marks" : true,
-       "boolean show_line_numbers" : true,
-       "css_classes" : "{ \"code-editor\" }",
-       "gboolean highlight_current_line" : true,
-       "id" : "view",
-       "indent_width" : 4,
-       "items" : [
-        {
-         "$ Gee.HashMap<int,string>? xmarks" : "null",
-         "$ xns" : "GtkSource",
-         "$ xtype" : "Buffer",
-         "* init" : [
-          "",
-          "var buf = this.el;",
-          "buf.create_tag (\"bold\", \"weight\", Pango.Weight.BOLD);",
-          "buf.create_tag (\"type\", \"weight\", Pango.Weight.BOLD, \"foreground\", \"#204a87\");",
-          "buf.create_tag (\"keyword\", \"weight\", Pango.Weight.BOLD, \"foreground\", \"#a40000\");",
-          "buf.create_tag (\"text\", \"weight\", Pango.Weight.NORMAL, \"foreground\", \"#729fcf\");",
-          "buf.create_tag (\"number\", \"weight\", Pango.Weight.BOLD, \"foreground\", \"#ad7fa8\");",
-          "buf.create_tag (\"method\", \"weight\", Pango.Weight.BOLD, \"foreground\", \"#729fcf\");",
-          "buf.create_tag (\"property\", \"weight\", Pango.Weight.BOLD, \"foreground\", \"#BC1F51\");",
-          "buf.create_tag (\"variable\", \"weight\", Pango.Weight.BOLD, \"foreground\", \"#A518B5\");",
-          "",
-          "",
-          "buf.create_tag (\"ERR\", \"weight\", Pango.Weight.BOLD, \"background\", \"pink\");",
-          "buf.create_tag (\"WARN\", \"weight\", Pango.Weight.BOLD, \"background\", \"#ABF4EB\");",
-          "buf.create_tag (\"DEPR\", \"weight\", Pango.Weight.BOLD, \"background\", \"#EEA9FF\");",
-          "",
-          "",
-          ""
-         ],
-         "* prop" : "buffer",
-         "bool check_queued" : false,
-         "bool enable_undo" : true,
-         "bool highlight_matching_brackets" : true,
-         "bool highlight_syntax" : true,
-         "id" : "buffer",
-         "int error_line" : "-1",
-         "listeners" : {
-          "changed" : [
-           " () => {",
-           "    // check syntax??",
-           "    // ??needed..??",
-           "    _this.save_button.el.sensitive = true;",
-           "    print(\"EDITOR CHANGED\");",
-           "    this.checkSyntax();",
-           "   ",
-           "    _this.dirty = true;",
-           "",
-           "    // this.get('/LeftPanel.model').changed(  str , false);",
-           "    return ;",
-           "}",
-           ""
-          ]
-         },
-         "| bool OLDhighlightErrorsJson" : [
-          "(string type, Json.Object obj) {",
-          "\tGtk.TextIter start;",
-          "\tGtk.TextIter end;     ",
-          "\tthis.el.get_bounds (out start, out end);",
-          "",
-          "\tthis.el.remove_source_marks (start, end, type);",
-          "\tGLib.debug(\"highlight errors\");\t\t ",
-          "",
-          "\t // we should highlight other types of errors..",
-          "",
-          "\tif (!obj.has_member(type)) {",
-          "\t\tGLib.debug(\"Return has no errors\\n\");",
-          "\t\treturn true;",
-          "\t}",
-          "",
-          "\tif (_this.window.windowstate.state != WindowState.State.CODEONLY ",
-          "\t\t&&",
-          "\t\t_this.window.windowstate.state != WindowState.State.CODE",
-          "\t\t) {",
-          "\t\tGLib.debug(\"windowstate != CODEONLY?\");",
-          "\t\t",
-          "\t\treturn true;",
-          "\t} ",
-          "",
-          "\t//this.marks = new Gee.HashMap<int,string>();",
-          "\tvar err = obj.get_object_member(type);",
-          " ",
-          "\tif (_this.file == null) {",
-          "\t\tGLib.debug(\"file is null?\");",
-          "\t\treturn true;",
-          "",
-          "\t}",
-          "\tvar valafn = _this.file.path;",
-          "",
-          "\tif (_this.file.xtype != \"PlainFile\") {",
-          "",
-          "\t\tvalafn = \"\";",
-          "\t\ttry {             ",
-          "\t\t\tvar  regex = new Regex(\"\\\\.bjs$\");",
-          "\t\t\t// should not happen",
-          "\t      \t\tvalafn = regex.replace(_this.file.path,_this.file.path.length , 0 , \".vala\");",
-          "\t\t} catch (GLib.RegexError e) {",
-          "\t\t\treturn true;",
-          "\t\t}   ",
-          "",
-          "",
-          "",
-          "\t}",
-          "\tif (!err.has_member(valafn)) {",
-          "\t\tGLib.debug(\"File path has no errors\");",
-          "\t\treturn  true;",
-          "\t}",
-          "",
-          "\tvar lines = err.get_object_member(valafn);",
-          "\t",
-          "\tvar offset = 1;",
-          "\tif (obj.has_member(\"line_offset\")) { // ?? why??",
-          "\t\toffset = (int)obj.get_int_member(\"line_offset\") + 1;",
-          "\t}",
-          "",
-          "",
-          "\tvar tlines = this.el.get_line_count () +1;",
-          "\t",
-          "\tif (_this.prop != null) {",
-          "\t",
-          "\t\ttlines = _this.prop.end_line + 1;",
-          "\t\toffset = _this.prop.start_line + 1;",
-          "\t",
-          "\t}",
-          "\t",
-          "",
-          "",
-          "\tlines.foreach_member((obj, line, node) => {",
-          "\t\t",
-          "\t     Gtk.TextIter iter;",
-          "//        print(\"get inter\\n\");",
-          "\t    var eline = int.parse(line) - offset;",
-          "\t    GLib.debug(\"GOT ERROR on line %s -- converted to %d  (offset = %d)\\n\", line,eline, offset);",
-          "\t    ",
-          "\t    ",
-          "\t    if (eline > tlines || eline < 0) {",
-          "\t        return;",
-          "\t    }",
-          "\t   ",
-          "\t    ",
-          "\t    this.el.get_iter_at_line( out iter, eline);",
-          "\t    //print(\"mark line\\n\");",
-          "\t    var msg  = \"\";",
-          "\t    var ar = lines.get_array_member(line);",
-          "\t    for (var i = 0 ; i < ar.get_length(); i++) {",
-          "\t    \tif (ar.get_string_element(i) == \"Success\") {",
-          "\t    \t\tcontinue;",
-          "    \t\t}",
-          "\t\t\tmsg += (msg.length > 0) ? \"\\n\" : \"\";",
-          "\t\t\tmsg += ar.get_string_element(i);",
-          "\t\t}",
-          "\t\tif (msg == \"\") {",
-          "\t\t\treturn;",
-          "\t\t}",
-          "\t\tmsg = \"Line: %d\".printf(eline+1) +  \" \" + msg;",
-          "\t    this.el.create_source_mark(msg, type, iter);",
-          "\t    GLib.debug(\"set line %d to %m\", eline, msg);",
-          "\t   // this.marks.set(eline, msg);",
-          "\t} );",
-          "\treturn false;",
-          "",
-          "",
-          "",
-          "",
-          "",
-          "\t}",
-          ""
-         ],
-         "| bool checkSyntax" : [
-          " () {",
-          " ",
-          "    ",
-          "    var str = this.toString();",
-          "    ",
-          "    // needed???",
-          "    if (this.error_line > 0) {",
-          "         Gtk.TextIter start;",
-          "         Gtk.TextIter end;     ",
-          "        this.el.get_bounds (out start, out end);",
-          "",
-          "        this.el.remove_source_marks (start, end, null);",
-          "    }",
-          "    if (str.length < 1) {",
-          "        print(\"checkSyntax - empty string?\\n\");",
-          "        return true;",
-          "    }",
-          "    ",
-          "    // bit presumptiona",
-          "    if (_this.file.xtype == \"PlainFile\") {",
-          "    ",
-          "        // assume it's gtk...",
-          "         var  oldcode =_this.file.toSource();",
-          "        _this.file.setSource(str);",
-          "\t    BuilderApplication.showSpinner(\"appointment soon\",\"document change pending\");",
-          "    \t_this.file.getLanguageServer().document_change(_this.file);",
-          "",
-          "        _this.file.setSource(oldcode);",
-          "        ",
-          "\t\t ",
-          "        return true;",
-          "    ",
-          "    }",
-          "   if (_this.file == null) {",
-          "       return true;",
-          "   }",
-          " ",
-          "    ",
-          "",
-          "      ",
-          "     ",
-          "    GLib.debug(\"calling validate\");    ",
-          "    // clear the buttons.",
-          " \tif (_this.prop.name == \"xns\" || _this.prop.name == \"xtype\") {",
-          "\t\treturn true ;",
-          "\t}",
-          "\tvar oldcode  = _this.prop.val;",
-          "\t",
-          "\t_this.prop.val = str;",
-          "\t_this.node.updated_count++;",
-          "    _this.file.getLanguageServer().document_change(_this.file);",
-          "    _this.node.updated_count++;",
-          "    _this.prop.val = oldcode;",
-          "    ",
-          "    ",
-          "    //print(\"done mark line\\n\");",
-          "     ",
-          "    return true; // at present allow saving - even if it's invalid..",
-          "}",
-          ""
-         ],
-         "| bool highlightErrors" : [
-          "( Gee.HashMap<int,string> validate_res) {",
-          "         ",
-          "\tthis.error_line = validate_res.size;",
-          "",
-          "\tif (this.error_line < 1) {",
-          "\t\treturn true;",
-          "\t}",
-          "\tvar tlines = this.el.get_line_count ();",
-          "\tGtk.TextIter iter;",
-          "\tvar valiter = validate_res.map_iterator();",
-          "\twhile (valiter.next()) {",
-          "",
-          "\t//        print(\"get inter\\n\");",
-          "\t\tvar eline = valiter.get_key();",
-          "\t\tif (eline > tlines) {",
-          "\t\t\tcontinue;",
-          "\t\t}",
-          "\t\tthis.el.get_iter_at_line( out iter, eline);",
-          "\t\t//print(\"mark line\\n\");",
-          "\t\tthis.el.create_source_mark(valiter.get_value(), \"ERR\", iter);",
-          "\t}   ",
-          "\treturn false;",
-          "}"
+         "Gtk.Orientation orientation" : "Gtk.Orientation.HORIZONTAL",
+         "bool hexpand" : true,
+         "items" : [
+          {
+           "$ xns" : "Gtk",
+           "id" : "save_button",
+           "label" : "Save",
+           "listeners" : {
+            "clicked" : [
+             " () => { ",
+             "    _this.saveContents();",
+             "}",
+             "  "
+            ]
+           },
+           "xtype" : "Button"
+          },
+          {
+           "$ xns" : "Gtk",
+           "bool hexpand" : true,
+           "xtype" : "Label"
+          },
+          {
+           "$ xns" : "Gtk",
+           "* ctor" : "new Gtk.Scale.with_range (Gtk.Orientation.HORIZONTAL,6, 30, 1)",
+           "* init" : [
+            "{",
+            "\t//this.el.set_range(6,30);",
+            " \tthis.el.set_value ( BuilderApplication.settings.editor_font_size);",
+            " \tBuilderApplication.settings.editor_font_size_updated.connect(",
+            " \t\t() => {",
+            " \t\t\tBuilderApplication.settings.editor_font_size_inchange = true;",
+            " \t\t//\tGLib.debug(\"update range\");",
+            " \t\t \tthis.el.set_value (BuilderApplication.settings.editor_font_size);",
+            " \t\t \tBuilderApplication.settings.editor_font_size_inchange = false;",
+            " \t\t}",
+            "\t);",
+            "\t",
+            " ",
+            "}",
+            ""
+           ],
+           "bool draw_value" : false,
+           "bool has_origin" : true,
+           "bool sensitive" : true,
+           "int digits" : 0,
+           "int width_request" : 200,
+           "listeners" : {
+            "change_value" : [
+             "(st, val ) => {",
+             "\tif (BuilderApplication.settings.editor_font_size_inchange) {",
+             "\t\treturn false;",
+             "\t}",
+             "  \tBuilderApplication.settings.editor_font_size = val;",
+             " \treturn false;",
+             "}"
+            ]
+           },
+           "xtype" : "Scale"
+          },
+          {
+           "$ xns" : "Gtk",
+           "id" : "close_btn",
+           "items" : [
+            {
+             "$ xns" : "Gtk",
+             "* prop" : "child",
+             "Gtk.IconSize icon_size" : "Gtk.IconSize.NORMAL",
+             "string icon_name" : "window-close",
+             "xtype" : "Image"
+            }
+           ],
+           "listeners" : {
+            "clicked" : [
+             " () => { ",
+             "    _this.saveContents();",
+             "    _this.window.windowstate.switchState(WindowState.State.PREVIEW);",
+             "}",
+             "  "
+            ]
+           },
+           "string icon_name" : "window-close",
+           "xtype" : "Button"
+          }
          ],
-         "| string toString" : [
-          "  () {",
-          "    ",
-          "    Gtk.TextIter s;",
-          "    Gtk.TextIter e;",
-          "    this.el.get_start_iter(out s);",
-          "    this.el.get_end_iter(out e);",
-          "    var ret = this.el.get_text(s,e,true);",
-          "    //print(\"TO STRING? \" + ret);",
-          "    return ret;",
-          "}",
-          " "
-         ]
+         "xtype" : "Box"
         },
         {
-         "# bool is_control" : false,
          "$ xns" : "Gtk",
-         "id" : "keystate",
-         "listeners" : {
-          "key_pressed" : [
-           "(keyval, keycode, state) => {",
-           "",
-           " \tif (keyval == Gdk.Key.Control_L || keyval == Gdk.Key.Control_R) {",
-           " \t\tthis.is_control = true;",
-           "\t}",
-           "\treturn false;",
-           "}",
-           ""
-          ],
-          "key_released" : [
-           "(keyval, keycode, state) => {",
-           "",
-           " \t if (keyval == Gdk.Key.Control_L || keyval == Gdk.Key.Control_R) {",
-           " \t\tthis.is_control = false;",
-           "\t}",
-           "    if (keyval == Gdk.Key.s && (state & Gdk.ModifierType.CONTROL_MASK ) > 0 ) {",
-           "        GLib.debug(\"SAVE: ctrl-S  pressed\");",
-           "        _this.saveContents();",
-           "        return;",
-           "    }",
-           "    ",
-           "    if (keyval == Gdk.Key.g && (state & Gdk.ModifierType.CONTROL_MASK ) > 0 ) {",
-           "\t    GLib.debug(\"SAVE: ctrl-g  pressed\");",
-           "\t\t_this.forwardSearch(true);",
-           "\t    return;",
-           "\t}",
-           "\tif (keyval == Gdk.Key.f && (state & Gdk.ModifierType.CONTROL_MASK ) > 0 ) {",
-           "\t    GLib.debug(\"SAVE: ctrl-f  pressed\");",
-           "\t\t_this.search_entry.el.grab_focus();",
-           "\t\t_this.search_entry.el.select_region(0,-1);",
-           "\t    return;",
-           "\t}",
-           "\tif (keyval == Gdk.Key.space && (state & Gdk.ModifierType.CONTROL_MASK ) > 0 ) {",
-           "\t\t_this.view.el.show_completion();",
-           "\t}",
-           "\t",
-           "\tGtk.TextIter iter;",
-           "\t_this.buffer.el.get_iter_at_offset( out iter, _this.buffer.el.cursor_position);  ",
-           "\tvar line  = iter.get_line();",
-           "\tvar offset = iter.get_line_offset();",
-           "\tGLib.debug(\"line  %d  off %d\", line ,offset);",
-           "\tif (_this.prop != null) {",
-           "\t\tline += _this.prop.start_line + 1; // i think..",
-           "\t\toffset += 12; // should probably be 8 without namespaced ",
-           "\t\tGLib.debug(\"guess line  %d  off %d\", line ,offset);",
-           "\t} ",
-           "    //_this.view.el.show_completion();",
-           "   // print(event.key.keyval)",
-           "   ",
-           "   ",
-           "   ",
-           "    ",
-           "    return;",
-           " ",
-           " ",
-           "}",
-           ""
-          ]
-         },
-         "xtype" : "EventControllerKey"
+         "Gtk.PolicyType hscrollbar_policy" : "Gtk.PolicyType.AUTOMATIC",
+         "Gtk.PolicyType vscrollbar_policy" : "Gtk.PolicyType.AUTOMATIC",
+         "bool overlay_scrolling" : false,
+         "bool vexpand" : true,
+         "id" : "RightEditor",
+         "items" : [
+          {
+           "# Gtk.CssProvider css" : "null",
+           "$ gboolean auto_indent" : true,
+           "$ xns" : "GtkSource",
+           "* init" : [
+            "",
+            " ",
+            "\t",
+            " ",
+            " ",
+            "this.el.completion.add_provider(",
+            "\tnew Palete.CompletionProvider(_this)",
+            ");",
+            "",
+            "// hover seems pretty useless.. - ??",
+            "//var hover = this.el.get_hover();",
+            "//hover.add_provider(new Palete.HoverProvider(_this));",
+            "",
+            "//this.el.completion.unblock_interactive();",
+            "this.el.completion.select_on_show = true; // select",
+            "//this.el.completion.remember_info_visibility\t = true;",
+            "",
+            "",
+            "var attrs = new GtkSource.MarkAttributes();",
+            "",
+            "attrs.set_icon_name ( \"process-stop\");    ",
+            "attrs.query_tooltip_text.connect(( mark) => {",
+            "     GLib.debug(\"tooltip query? %s\", mark.name);",
+            "    return strdup( mark.name);",
+            "});",
+            " attrs.query_tooltip_markup.connect(( mark) => {",
+            "     GLib.debug(\"tooltip query? %s\", mark.name);",
+            "    return strdup( mark.name);",
+            "});",
+            "this.el.set_mark_attributes (\"ERR\", attrs, 1);",
+            "attrs.ref();",
+            "",
+            "",
+            "var wattrs = new GtkSource.MarkAttributes();",
+            "wattrs.set_icon_name ( \"process-stop\");    ",
+            "wattrs.query_tooltip_text.connect(( mark) => {",
+            "     GLib.debug(\"tooltip query? %s\", mark.name);",
+            "    return strdup(mark.name);",
+            "});",
+            "wattrs.query_tooltip_markup.connect(( mark) => {",
+            "     GLib.debug(\"tooltip query? %s\", mark.name);",
+            "    return strdup(mark.name);",
+            "});",
+            "this.el.set_mark_attributes (\"WARN\", wattrs, 1);",
+            "wattrs.ref();",
+            "",
+            " ",
+            "var dattrs = new GtkSource.MarkAttributes();",
+            " ",
+            "dattrs.set_icon_name ( \"process-stop\"); ",
+            "",
+            "dattrs.query_tooltip_text.connect(( mark) => {",
+            "\tGLib.debug(\"tooltip query? %s\", mark.name);",
+            "    return strdup(mark.name);",
+            "});",
+            "//dattrs.query_tooltip_markup.connect(( mark) => {",
+            "//\tGLib.debug(\"tooltip query? %s\", mark.name);",
+            " //   return strdup(mark.name);",
+            "//});",
+            "this.el.set_mark_attributes (\"DEPR\", dattrs, 1);",
+            "dattrs.ref();    ",
+            "",
+            " this.el.get_space_drawer().set_matrix(null);",
+            " this.el.get_space_drawer().set_types_for_locations( ",
+            "\tGtkSource.SpaceLocationFlags.ALL,",
+            "\tGtkSource.SpaceTypeFlags.ALL",
+            ");",
+            "this.el.get_space_drawer().set_enable_matrix(true);",
+            ""
+           ],
+           "* prop" : "child",
+           "bool has_tooltip" : true,
+           "bool hexpand" : true,
+           "bool insert_spaces_instead_of_tabs" : true,
+           "bool vexpand" : true,
+           "boolean show_line_marks" : true,
+           "boolean show_line_numbers" : true,
+           "css_classes" : "{ \"code-editor\" }",
+           "gboolean highlight_current_line" : true,
+           "id" : "view",
+           "indent_width" : 4,
+           "items" : [
+            {
+             "$ Gee.HashMap<int,string>? xmarks" : "null",
+             "$ xns" : "GtkSource",
+             "$ xtype" : "Buffer",
+             "* init" : [
+              "",
+              "var buf = this.el;",
+              "buf.create_tag (\"bold\", \"weight\", Pango.Weight.BOLD);",
+              "buf.create_tag (\"type\", \"weight\", Pango.Weight.BOLD, \"foreground\", \"#204a87\");",
+              "buf.create_tag (\"keyword\", \"weight\", Pango.Weight.BOLD, \"foreground\", \"#a40000\");",
+              "buf.create_tag (\"text\", \"weight\", Pango.Weight.NORMAL, \"foreground\", \"#729fcf\");",
+              "buf.create_tag (\"number\", \"weight\", Pango.Weight.BOLD, \"foreground\", \"#ad7fa8\");",
+              "buf.create_tag (\"method\", \"weight\", Pango.Weight.BOLD, \"foreground\", \"#729fcf\");",
+              "buf.create_tag (\"property\", \"weight\", Pango.Weight.BOLD, \"foreground\", \"#BC1F51\");",
+              "buf.create_tag (\"variable\", \"weight\", Pango.Weight.BOLD, \"foreground\", \"#A518B5\");",
+              "",
+              "",
+              "buf.create_tag (\"ERR\", \"weight\", Pango.Weight.BOLD, \"background\", \"pink\");",
+              "buf.create_tag (\"WARN\", \"weight\", Pango.Weight.BOLD, \"background\", \"#ABF4EB\");",
+              "buf.create_tag (\"DEPR\", \"weight\", Pango.Weight.BOLD, \"background\", \"#EEA9FF\");",
+              "",
+              "",
+              ""
+             ],
+             "* prop" : "buffer",
+             "bool check_queued" : false,
+             "bool enable_undo" : true,
+             "bool highlight_matching_brackets" : true,
+             "bool highlight_syntax" : true,
+             "id" : "buffer",
+             "int error_line" : "-1",
+             "listeners" : {
+              "changed" : [
+               " () => {",
+               "    // check syntax??",
+               "    // ??needed..??",
+               "    _this.save_button.el.sensitive = true;",
+               "    print(\"EDITOR CHANGED\");",
+               "    this.checkSyntax();",
+               "   ",
+               "    _this.dirty = true;",
+               "",
+               "    // this.get('/LeftPanel.model').changed(  str , false);",
+               "    return ;",
+               "}",
+               ""
+              ]
+             },
+             "| bool OLDhighlightErrorsJson" : [
+              "(string type, Json.Object obj) {",
+              "\tGtk.TextIter start;",
+              "\tGtk.TextIter end;     ",
+              "\tthis.el.get_bounds (out start, out end);",
+              "",
+              "\tthis.el.remove_source_marks (start, end, type);",
+              "\tGLib.debug(\"highlight errors\");\t\t ",
+              "",
+              "\t // we should highlight other types of errors..",
+              "",
+              "\tif (!obj.has_member(type)) {",
+              "\t\tGLib.debug(\"Return has no errors\\n\");",
+              "\t\treturn true;",
+              "\t}",
+              "",
+              "\tif (_this.window.windowstate.state != WindowState.State.CODEONLY ",
+              "\t\t&&",
+              "\t\t_this.window.windowstate.state != WindowState.State.CODE",
+              "\t\t) {",
+              "\t\tGLib.debug(\"windowstate != CODEONLY?\");",
+              "\t\t",
+              "\t\treturn true;",
+              "\t} ",
+              "",
+              "\t//this.marks = new Gee.HashMap<int,string>();",
+              "\tvar err = obj.get_object_member(type);",
+              " ",
+              "\tif (_this.file == null) {",
+              "\t\tGLib.debug(\"file is null?\");",
+              "\t\treturn true;",
+              "",
+              "\t}",
+              "\tvar valafn = _this.file.path;",
+              "",
+              "\tif (_this.file.xtype != \"PlainFile\") {",
+              "",
+              "\t\tvalafn = \"\";",
+              "\t\ttry {             ",
+              "\t\t\tvar  regex = new Regex(\"\\\\.bjs$\");",
+              "\t\t\t// should not happen",
+              "\t      \t\tvalafn = regex.replace(_this.file.path,_this.file.path.length , 0 , \".vala\");",
+              "\t\t} catch (GLib.RegexError e) {",
+              "\t\t\treturn true;",
+              "\t\t}   ",
+              "",
+              "",
+              "",
+              "\t}",
+              "\tif (!err.has_member(valafn)) {",
+              "\t\tGLib.debug(\"File path has no errors\");",
+              "\t\treturn  true;",
+              "\t}",
+              "",
+              "\tvar lines = err.get_object_member(valafn);",
+              "\t",
+              "\tvar offset = 1;",
+              "\tif (obj.has_member(\"line_offset\")) { // ?? why??",
+              "\t\toffset = (int)obj.get_int_member(\"line_offset\") + 1;",
+              "\t}",
+              "",
+              "",
+              "\tvar tlines = this.el.get_line_count () +1;",
+              "\t",
+              "\tif (_this.prop != null) {",
+              "\t",
+              "\t\ttlines = _this.prop.end_line + 1;",
+              "\t\toffset = _this.prop.start_line + 1;",
+              "\t",
+              "\t}",
+              "\t",
+              "",
+              "",
+              "\tlines.foreach_member((obj, line, node) => {",
+              "\t\t",
+              "\t     Gtk.TextIter iter;",
+              "//        print(\"get inter\\n\");",
+              "\t    var eline = int.parse(line) - offset;",
+              "\t    GLib.debug(\"GOT ERROR on line %s -- converted to %d  (offset = %d)\\n\", line,eline, offset);",
+              "\t    ",
+              "\t    ",
+              "\t    if (eline > tlines || eline < 0) {",
+              "\t        return;",
+              "\t    }",
+              "\t   ",
+              "\t    ",
+              "\t    this.el.get_iter_at_line( out iter, eline);",
+              "\t    //print(\"mark line\\n\");",
+              "\t    var msg  = \"\";",
+              "\t    var ar = lines.get_array_member(line);",
+              "\t    for (var i = 0 ; i < ar.get_length(); i++) {",
+              "\t    \tif (ar.get_string_element(i) == \"Success\") {",
+              "\t    \t\tcontinue;",
+              "    \t\t}",
+              "\t\t\tmsg += (msg.length > 0) ? \"\\n\" : \"\";",
+              "\t\t\tmsg += ar.get_string_element(i);",
+              "\t\t}",
+              "\t\tif (msg == \"\") {",
+              "\t\t\treturn;",
+              "\t\t}",
+              "\t\tmsg = \"Line: %d\".printf(eline+1) +  \" \" + msg;",
+              "\t    this.el.create_source_mark(msg, type, iter);",
+              "\t    GLib.debug(\"set line %d to %m\", eline, msg);",
+              "\t   // this.marks.set(eline, msg);",
+              "\t} );",
+              "\treturn false;",
+              "",
+              "",
+              "",
+              "",
+              "",
+              "\t}",
+              ""
+             ],
+             "| bool checkSyntax" : [
+              " () {",
+              " ",
+              "    ",
+              "    var str = this.toString();",
+              "    ",
+              "    // needed???",
+              "    if (this.error_line > 0) {",
+              "         Gtk.TextIter start;",
+              "         Gtk.TextIter end;     ",
+              "        this.el.get_bounds (out start, out end);",
+              "",
+              "        this.el.remove_source_marks (start, end, null);",
+              "    }",
+              "    if (str.length < 1) {",
+              "        print(\"checkSyntax - empty string?\\n\");",
+              "        return true;",
+              "    }",
+              "    ",
+              "    // bit presumptiona",
+              "    if (_this.file.xtype == \"PlainFile\") {",
+              "    ",
+              "        // assume it's gtk...",
+              "         var  oldcode =_this.file.toSource();",
+              "        _this.file.setSource(str);",
+              "\t    BuilderApplication.showSpinner(\"appointment soon\",\"document change pending\");",
+              "    \t_this.file.getLanguageServer().document_change(_this.file);",
+              "",
+              "        _this.file.setSource(oldcode);",
+              "        ",
+              "\t\t ",
+              "        return true;",
+              "    ",
+              "    }",
+              "   if (_this.file == null) {",
+              "       return true;",
+              "   }",
+              " ",
+              "    ",
+              "",
+              "      ",
+              "     ",
+              "    GLib.debug(\"calling validate\");    ",
+              "    // clear the buttons.",
+              " \tif (_this.prop.name == \"xns\" || _this.prop.name == \"xtype\") {",
+              "\t\treturn true ;",
+              "\t}",
+              "\tvar oldcode  = _this.prop.val;",
+              "\t",
+              "\t_this.prop.val = str;",
+              "\t_this.node.updated_count++;",
+              "    _this.file.getLanguageServer().document_change(_this.file);",
+              "    _this.node.updated_count++;",
+              "    _this.prop.val = oldcode;",
+              "    ",
+              "    ",
+              "    //print(\"done mark line\\n\");",
+              "     ",
+              "    return true; // at present allow saving - even if it's invalid..",
+              "}",
+              ""
+             ],
+             "| bool highlightErrors" : [
+              "( Gee.HashMap<int,string> validate_res) {",
+              "         ",
+              "\tthis.error_line = validate_res.size;",
+              "",
+              "\tif (this.error_line < 1) {",
+              "\t\treturn true;",
+              "\t}",
+              "\tvar tlines = this.el.get_line_count ();",
+              "\tGtk.TextIter iter;",
+              "\tvar valiter = validate_res.map_iterator();",
+              "\twhile (valiter.next()) {",
+              "",
+              "\t//        print(\"get inter\\n\");",
+              "\t\tvar eline = valiter.get_key();",
+              "\t\tif (eline > tlines) {",
+              "\t\t\tcontinue;",
+              "\t\t}",
+              "\t\tthis.el.get_iter_at_line( out iter, eline);",
+              "\t\t//print(\"mark line\\n\");",
+              "\t\tthis.el.create_source_mark(valiter.get_value(), \"ERR\", iter);",
+              "\t}   ",
+              "\treturn false;",
+              "}"
+             ],
+             "| string toString" : [
+              "  () {",
+              "    ",
+              "    Gtk.TextIter s;",
+              "    Gtk.TextIter e;",
+              "    this.el.get_start_iter(out s);",
+              "    this.el.get_end_iter(out e);",
+              "    var ret = this.el.get_text(s,e,true);",
+              "    //print(\"TO STRING? \" + ret);",
+              "    return ret;",
+              "}",
+              " "
+             ]
+            },
+            {
+             "# bool is_control" : false,
+             "$ xns" : "Gtk",
+             "id" : "keystate",
+             "listeners" : {
+              "key_pressed" : [
+               "(keyval, keycode, state) => {",
+               "",
+               " \tif (keyval == Gdk.Key.Control_L || keyval == Gdk.Key.Control_R) {",
+               " \t\tthis.is_control = true;",
+               "\t}",
+               "\treturn false;",
+               "}",
+               ""
+              ],
+              "key_released" : [
+               "(keyval, keycode, state) => {",
+               "",
+               " \t if (keyval == Gdk.Key.Control_L || keyval == Gdk.Key.Control_R) {",
+               " \t\tthis.is_control = false;",
+               "\t}",
+               "    if (keyval == Gdk.Key.s && (state & Gdk.ModifierType.CONTROL_MASK ) > 0 ) {",
+               "        GLib.debug(\"SAVE: ctrl-S  pressed\");",
+               "        _this.saveContents();",
+               "        return;",
+               "    }",
+               "    ",
+               "    if (keyval == Gdk.Key.g && (state & Gdk.ModifierType.CONTROL_MASK ) > 0 ) {",
+               "\t    GLib.debug(\"SAVE: ctrl-g  pressed\");",
+               "\t\t_this.forwardSearch(true);",
+               "\t    return;",
+               "\t}",
+               "\tif (keyval == Gdk.Key.f && (state & Gdk.ModifierType.CONTROL_MASK ) > 0 ) {",
+               "\t    GLib.debug(\"SAVE: ctrl-f  pressed\");",
+               "\t\t_this.search_entry.el.grab_focus();",
+               "\t\t_this.search_entry.el.select_region(0,-1);",
+               "\t    return;",
+               "\t}",
+               "\tif (keyval == Gdk.Key.space && (state & Gdk.ModifierType.CONTROL_MASK ) > 0 ) {",
+               "\t\t_this.view.el.show_completion();",
+               "\t}",
+               "\t",
+               "\tGtk.TextIter iter;",
+               "\t_this.buffer.el.get_iter_at_offset( out iter, _this.buffer.el.cursor_position);  ",
+               "\tvar line  = iter.get_line();",
+               "\tvar offset = iter.get_line_offset();",
+               "\tGLib.debug(\"line  %d  off %d\", line ,offset);",
+               "\tif (_this.prop != null) {",
+               "\t\tline += _this.prop.start_line + 1; // i think..",
+               "\t\toffset += 12; // should probably be 8 without namespaced ",
+               "\t\tGLib.debug(\"guess line  %d  off %d\", line ,offset);",
+               "\t} ",
+               "    //_this.view.el.show_completion();",
+               "   // print(event.key.keyval)",
+               "   ",
+               "   ",
+               "   ",
+               "    ",
+               "    return;",
+               " ",
+               " ",
+               "}",
+               ""
+              ]
+             },
+             "xtype" : "EventControllerKey"
+            },
+            {
+             "# double distance" : "0.0f",
+             "$ xns" : "Gtk",
+             "Gtk.EventControllerScrollFlags flags" : "Gtk.EventControllerScrollFlags.VERTICAL",
+             "listeners" : {
+              "scroll" : [
+               "(dx, dy) => {",
+               "\tif (!_this.keystate.is_control) {",
+               "\t\treturn false;",
+               "\t}",
+               "\t //GLib.debug(\"scroll %f\",  dy);",
+               "\t",
+               "\tthis.distance += dy;",
+               "\t",
+               "\t//GLib.debug(\"scroll %f / %f\",  dy, this.distance);",
+               " ",
+               "\t if (this.distance < -1) {",
+               " ",
+               "\t\tBuilderApplication.settings.editor_font_size ++;",
+               "\t\tthis.distance = 0;",
+               "\t}",
+               "\tif (this.distance > 1) {",
+               "\t\tBuilderApplication.settings.editor_font_size --;",
+               "\t\tthis.distance = 0;",
+               "\t}",
+               "\t ",
+               "\treturn true;",
+               "}",
+               ""
+              ]
+             },
+             "xtype" : "EventControllerScroll"
+            },
+            {
+             "$ xns" : "Gtk",
+             "xtype" : "GestureClick"
+            }
+           ],
+           "listeners" : {
+            "query_tooltip" : [
+             "(x, y, keyboard_tooltip, tooltip) => {",
+             "\t",
+             "\t//GLib.debug(\"query tooltip\");",
+             "\tGtk.TextIter iter;",
+             "\tint trailing;",
+             "\t",
+             "\tvar yoff = (int) _this.RightEditor.el.vadjustment.value;",
+             "\t",
+             "\t// I think this is problematic - if it's compliing  / updating at same time as query.",
+             "\t",
+             "\t//if (_this.window.statusbar_compile_spinner.el.spinning) {",
+             "\t//\treturn false;",
+             "\t//}",
+             "\t",
+             "\tthis.el.get_iter_at_position (out iter, out trailing,  x,  y + yoff);",
+             "\t ",
+             "\tvar l = iter.get_line();",
+             "",
+             "\t",
+             "\t ",
+             "\t// GLib.debug(\"query tooltip line %d\", (int) l);",
+             "\tif (l < 0) {",
+             "",
+             "\t\treturn false;",
+             "\t}",
+             "\t/*",
+             "\tif (_this.buffer.marks != null && _this.buffer.marks.has_key(l)) {",
+             "\t\tGLib.debug(\"line %d setting tip to %s\", l,  _this.buffer.marks.get(l));",
+             "\t\ttooltip.set_text(_this.buffer.marks.get(l).dup());",
+             "\t\treturn true;",
+             "\t}",
+             " ",
+             "\treturn false;",
+             "\t*/",
+             "\t",
+             "\t  ",
+             "\t// this crashes?? - not sure why.",
+             "\tvar marks = _this.buffer.el.get_source_marks_at_line(l, \"ERR\");",
+             "\tif (marks.is_empty()) {",
+             "\t\tmarks = _this.buffer.el.get_source_marks_at_line(l, \"WARN\");",
+             "\t}",
+             "\tif (marks.is_empty()) {",
+             "\t\tmarks = _this.buffer.el.get_source_marks_at_line(l, \"DEPR\");",
+             "\t}",
+             "\t",
+             "\t// GLib.debug(\"query tooltip line %d marks %d\", (int)l, (int) marks.length());",
+             "\tvar str = \"\";",
+             "\tmarks.@foreach((m) => { ",
+             "\t\t//GLib.debug(\"got mark %s\", m.name);",
+             "\t\tstr += (str.length > 0 ? \"\\n\" : \"\") + m.category + \": \" + m.name;",
+             "\t});",
+             "\t// true if there is a mark..",
+             "\tif (str.length > 0 ) {",
+             "\t\ttooltip.set_text( str );",
+             "\t}",
+             "\treturn str.length > 0 ? true : false;",
+             "\t ",
+             "}",
+             ""
+            ]
+           },
+           "string name" : "editor-view",
+           "uint tab_width" : 4,
+           "xtype" : "View",
+           "| void load" : [
+            " (string str) {",
+            "",
+            "// show the help page for the active node..",
+            "   //this.get('/Help').show();",
+            " ",
+            "  // this.get('/BottomPane').el.set_current_page(0);",
+            "  \tGLib.debug(\"load called - Reset undo buffer\");",
+            "  \t",
+            "    var buf = (GtkSource.Buffer)this.el.get_buffer();",
+            "    buf.begin_irreversible_action();",
+            "    buf.set_text(str, str.length);",
+            "    buf.end_irreversible_action();",
+            "    ",
+            "    var lm = GtkSource.LanguageManager.get_default();",
+            "    var lang = \"vala\";",
+            "    if (_this.file != null) {",
+            "         lang = _this.file.language;",
+            "    }",
+            "    print(\"lang=%s, content_type = %s\\n\", lang, _this.file.content_type);",
+            "    var lg = _this.file.content_type.length > 0  ?",
+            "            lm.guess_language(_this.file.path, _this.file.content_type) :",
+            "            lm.get_language(lang);",
+            "     ",
+            "   ",
+            "    ((GtkSource.Buffer)(this.el.get_buffer())) .set_language(lg); ",
+            "",
+            "    this.el.insert_spaces_instead_of_tabs = true;",
+            "    if (lg != null) {",
+            "\t\tprint(\"sourcelanguage  = %s\\n\", lg.name);",
+            "\t\tif (lg.name == \"Vala\") {",
+            "\t\t    this.el.insert_spaces_instead_of_tabs = false;",
+            "\t\t}",
+            "     }",
+            "    _this.dirty = false;",
+            "    this.el.grab_focus();",
+            "    _this.save_button.el.sensitive = false;",
+            "    _this.last_error_counter = -1;",
+            "}"
+           ]
+          }
+         ],
+         "xtype" : "ScrolledWindow"
         },
         {
-         "# double distance" : "0.0f",
          "$ xns" : "Gtk",
-         "Gtk.EventControllerScrollFlags flags" : "Gtk.EventControllerScrollFlags.VERTICAL",
-         "listeners" : {
-          "scroll" : [
-           "(dx, dy) => {",
-           "\tif (!_this.keystate.is_control) {",
-           "\t\treturn false;",
-           "\t}",
-           "\t //GLib.debug(\"scroll %f\",  dy);",
-           "\t",
-           "\tthis.distance += dy;",
-           "\t",
-           "\t//GLib.debug(\"scroll %f / %f\",  dy, this.distance);",
-           " ",
-           "\t if (this.distance < -1) {",
-           " ",
-           "\t\tBuilderApplication.settings.editor_font_size ++;",
-           "\t\tthis.distance = 0;",
-           "\t}",
-           "\tif (this.distance > 1) {",
-           "\t\tBuilderApplication.settings.editor_font_size --;",
-           "\t\tthis.distance = 0;",
-           "\t}",
-           "\t ",
-           "\treturn true;",
-           "}",
-           ""
-          ]
-         },
-         "xtype" : "EventControllerScroll"
-        }
-       ],
-       "listeners" : {
-        "query_tooltip" : [
-         "(x, y, keyboard_tooltip, tooltip) => {",
-         "\t",
-         "\t//GLib.debug(\"query tooltip\");",
-         "\tGtk.TextIter iter;",
-         "\tint trailing;",
-         "\t",
-         "\tvar yoff = (int) _this.RightEditor.el.vadjustment.value;",
-         "\t",
-         "\t// I think this is problematic - if it's compliing  / updating at same time as query.",
-         "\t",
-         "\t//if (_this.window.statusbar_compile_spinner.el.spinning) {",
-         "\t//\treturn false;",
-         "\t//}",
-         "\t",
-         "\tthis.el.get_iter_at_position (out iter, out trailing,  x,  y + yoff);",
-         "\t ",
-         "\tvar l = iter.get_line();",
-         "",
-         "\t",
-         "\t ",
-         "\t// GLib.debug(\"query tooltip line %d\", (int) l);",
-         "\tif (l < 0) {",
-         "",
-         "\t\treturn false;",
-         "\t}",
-         "\t/*",
-         "\tif (_this.buffer.marks != null && _this.buffer.marks.has_key(l)) {",
-         "\t\tGLib.debug(\"line %d setting tip to %s\", l,  _this.buffer.marks.get(l));",
-         "\t\ttooltip.set_text(_this.buffer.marks.get(l).dup());",
-         "\t\treturn true;",
-         "\t}",
-         " ",
-         "\treturn false;",
-         "\t*/",
-         "\t",
-         "\t  ",
-         "\t// this crashes?? - not sure why.",
-         "\tvar marks = _this.buffer.el.get_source_marks_at_line(l, \"ERR\");",
-         "\tif (marks.is_empty()) {",
-         "\t\tmarks = _this.buffer.el.get_source_marks_at_line(l, \"WARN\");",
-         "\t}",
-         "\tif (marks.is_empty()) {",
-         "\t\tmarks = _this.buffer.el.get_source_marks_at_line(l, \"DEPR\");",
-         "\t}",
-         "\t",
-         "\t// GLib.debug(\"query tooltip line %d marks %d\", (int)l, (int) marks.length());",
-         "\tvar str = \"\";",
-         "\tmarks.@foreach((m) => { ",
-         "\t\t//GLib.debug(\"got mark %s\", m.name);",
-         "\t\tstr += (str.length > 0 ? \"\\n\" : \"\") + m.category + \": \" + m.name;",
-         "\t});",
-         "\t// true if there is a mark..",
-         "\tif (str.length > 0 ) {",
-         "\t\ttooltip.set_text( str );",
-         "\t}",
-         "\treturn str.length > 0 ? true : false;",
-         "\t ",
-         "}",
-         ""
-        ]
-       },
-       "string name" : "editor-view",
-       "uint tab_width" : 4,
-       "xtype" : "View",
-       "| void load" : [
-        " (string str) {",
-        "",
-        "// show the help page for the active node..",
-        "   //this.get('/Help').show();",
-        " ",
-        "  // this.get('/BottomPane').el.set_current_page(0);",
-        "  \tGLib.debug(\"load called - Reset undo buffer\");",
-        "  \t",
-        "    var buf = (GtkSource.Buffer)this.el.get_buffer();",
-        "    buf.begin_irreversible_action();",
-        "    buf.set_text(str, str.length);",
-        "    buf.end_irreversible_action();",
-        "    ",
-        "    var lm = GtkSource.LanguageManager.get_default();",
-        "    var lang = \"vala\";",
-        "    if (_this.file != null) {",
-        "         lang = _this.file.language;",
-        "    }",
-        "    print(\"lang=%s, content_type = %s\\n\", lang, _this.file.content_type);",
-        "    var lg = _this.file.content_type.length > 0  ?",
-        "            lm.guess_language(_this.file.path, _this.file.content_type) :",
-        "            lm.get_language(lang);",
-        "     ",
-        "   ",
-        "    ((GtkSource.Buffer)(this.el.get_buffer())) .set_language(lg); ",
-        "",
-        "    this.el.insert_spaces_instead_of_tabs = true;",
-        "    if (lg != null) {",
-        "\t\tprint(\"sourcelanguage  = %s\\n\", lg.name);",
-        "\t\tif (lg.name == \"Vala\") {",
-        "\t\t    this.el.insert_spaces_instead_of_tabs = false;",
-        "\t\t}",
-        "     }",
-        "    _this.dirty = false;",
-        "    this.el.grab_focus();",
-        "    _this.save_button.el.sensitive = false;",
-        "    _this.last_error_counter = -1;",
-        "}"
-       ]
-      }
-     ],
-     "xtype" : "ScrolledWindow"
-    },
-    {
-     "$ xns" : "Gtk",
-     "* pack" : "append",
-     "Gtk.Orientation orientation" : "Gtk.Orientation.HORIZONTAL",
-     "bool homogeneous" : false,
-     "bool vexpand" : false,
-     "int spacing" : 0,
-     "items" : [
-      {
-       "$ xns" : "Gtk",
-       "Gtk.CssProvider css" : "",
-       "bool hexpand" : true,
-       "id" : "search_entry",
-       "items" : [
-        {
-         "$ xns" : "Gtk",
-         "listeners" : {
-          "key_pressed" : [
-           "(keyval, keycode, state) => {",
-           "",
-           "\tif (keyval == Gdk.Key.g && (state & Gdk.ModifierType.CONTROL_MASK ) > 0 ) {",
-           "\t    GLib.debug(\"SAVE: ctrl-g  pressed\");",
-           "\t\t_this.forwardSearch(true);",
-           "\t    return true;",
-           "\t}",
-           "    ",
-           "  ",
-           " \tif (keyval == Gdk.Key.Return && _this.search_entry.el.text.length > 0) {",
-           "\t\t_this.forwardSearch(true);",
-           "\t\t",
-           "\t\t",
-           "\t    return true;",
-           "",
-           "\t}    ",
-           "   // print(event.key.keyval)",
-           "   ",
-           "    return false;",
-           "}",
-           ""
-          ]
-         },
-         "xtype" : "EventControllerKey"
+         "* pack" : "append",
+         "Gtk.Orientation orientation" : "Gtk.Orientation.HORIZONTAL",
+         "bool homogeneous" : false,
+         "bool vexpand" : false,
+         "int spacing" : 0,
+         "items" : [
+          {
+           "$ xns" : "Gtk",
+           "Gtk.CssProvider css" : "",
+           "bool hexpand" : true,
+           "id" : "search_entry",
+           "items" : [
+            {
+             "$ xns" : "Gtk",
+             "listeners" : {
+              "key_pressed" : [
+               "(keyval, keycode, state) => {",
+               "",
+               "\tif (keyval == Gdk.Key.g && (state & Gdk.ModifierType.CONTROL_MASK ) > 0 ) {",
+               "\t    GLib.debug(\"SAVE: ctrl-g  pressed\");",
+               "\t\t_this.forwardSearch(true);",
+               "\t    return true;",
+               "\t}",
+               "    ",
+               "  ",
+               " \tif (keyval == Gdk.Key.Return && _this.search_entry.el.text.length > 0) {",
+               "\t\t_this.forwardSearch(true);",
+               "\t\t",
+               "\t\t",
+               "\t    return true;",
+               "",
+               "\t}    ",
+               "   // print(event.key.keyval)",
+               "   ",
+               "    return false;",
+               "}",
+               ""
+              ]
+             },
+             "xtype" : "EventControllerKey"
+            }
+           ],
+           "listeners" : {
+            "search_changed" : [
+             "( ) => {",
+             "",
+             "_this.search(_this.search_entry.el.text);",
+             "\t _this.search_results.updateResults();",
+             "",
+             "\tGLib.Timeout.add_seconds(1,() => {",
+             "\t\t _this.search_results.updateResults();",
+             "\t\t return false;",
+             "\t });",
+             "}",
+             ""
+            ]
+           },
+           "string name" : "editor-search-entry",
+           "string placeholder_text" : "Press enter to search",
+           "uint search_delay" : 3,
+           "xtype" : "SearchEntry",
+           "| void forwardSearch" : [
+            "(bool change_focus) {",
+            "",
+            "",
+            "\t_this.forwardSearch(change_focus);",
+            "",
+            "/*",
+            "",
+            "\tswitch(_this.windowstate.state) {",
+            "\t\tcase WindowState.State.CODEONLY:",
+            "\t\t//case WindowState.State.CODE:",
+            "\t\t\t// search the code being edited..",
+            "\t\t\t_this.windowstate.code_editor_tab.forwardSearch(change_focus);",
+            "\t\t\t ",
+            "\t\t\tbreak;",
+            "\t\tcase WindowState.State.PREVIEW:",
+            "\t\t\tif (_this.windowstate.file.xtype == \"Gtk\") {",
+            "\t\t\t\t_this.windowstate.window_gladeview.forwardSearch(change_focus);",
+            "\t\t\t} else { ",
+            "\t\t\t\t _this.windowstate.window_rooview.forwardSearch(change_focus);",
+            "\t\t\t}",
+            "\t\t",
+            "\t\t\tbreak;",
+            "\t}",
+            "\t*/",
+            "\t",
+            "}",
+            ""
+           ]
+          },
+          {
+           "$ xns" : "Gtk",
+           "id" : "search_results",
+           "int margin_end" : 4,
+           "int margin_start" : 4,
+           "string label" : "No Results",
+           "xtype" : "Label",
+           "| void updateResults" : [
+            "() {",
+            "\tthis.el.visible = true;",
+            "\t",
+            "\tvar res = _this.searchcontext.get_occurrences_count();",
+            "\tif (res < 0) {",
+            "\t\t_this.search_results.el.label = \"??? Matches\";\t\t",
+            "\t\treturn;",
+            "\t}",
+            "",
+            "\t_this.nextBtn.el.sensitive = false;",
+            "\t_this.backBtn.el.sensitive = false;\t",
+            "",
+            "\tif (res > 0) {",
+            "\t\t_this.search_results.el.label = \"%d Matches\".printf(res);",
+            "\t\t_this.nextBtn.el.sensitive = true;",
+            "\t\t_this.backBtn.el.sensitive = true;",
+            "\t\treturn;",
+            "\t} ",
+            "\t_this.search_results.el.label = \"No Matches\";",
+            "\t",
+            "}"
+           ]
+          },
+          {
+           "$ xns" : "Gtk",
+           "bool always_show_image" : true,
+           "bool sensitive" : false,
+           "id" : "nextBtn",
+           "listeners" : {
+            "clicked" : [
+             "(event) => {",
+             "",
+             "\t_this.forwardSearch(true);",
+             "\t",
+             "\t ",
+             "}",
+             ""
+            ]
+           },
+           "string icon_name" : "go-down",
+           "xtype" : "Button"
+          },
+          {
+           "$ xns" : "Gtk",
+           "bool always_show_image" : true,
+           "bool sensitive" : false,
+           "id" : "backBtn",
+           "listeners" : {
+            "clicked" : [
+             "(event) => {",
+             "",
+             "\t_this.backSearch(true);",
+             "\t ",
+             "}",
+             ""
+            ]
+           },
+           "string icon_name" : "go-up",
+           "xtype" : "Button"
+          },
+          {
+           "$ xns" : "Gtk",
+           "bool always_show_arrow" : true,
+           "bool always_show_image" : true,
+           "items" : [
+            {
+             "$ xns" : "Gtk",
+             "* prop" : "popover",
+             "id" : "search_settings",
+             "items" : [
+              {
+               "$ xns" : "Gtk",
+               "* prop" : "child",
+               "Gtk.Orientation orientation" : "Gtk.Orientation.VERTICAL",
+               "int spacing" : 0,
+               "items" : [
+                {
+                 "$ xns" : "Gtk",
+                 "* init" : [
+                  "{",
+                  "\tthis.el.show();",
+                  "}",
+                  ""
+                 ],
+                 "id" : "case_sensitive",
+                 "string label" : "Case Sensitive",
+                 "xtype" : "CheckButton"
+                },
+                {
+                 "$ xns" : "Gtk",
+                 "* init" : [
+                  "{",
+                  "\tthis.el.show();",
+                  "}",
+                  ""
+                 ],
+                 "id" : "regex",
+                 "string label" : "Regex",
+                 "xtype" : "CheckButton"
+                },
+                {
+                 "$ xns" : "Gtk",
+                 "id" : "multiline",
+                 "string label" : "Multi-line (add \\n)",
+                 "xtype" : "CheckButton"
+                }
+               ],
+               "xtype" : "Box"
+              }
+             ],
+             "xtype" : "Popover"
+            }
+           ],
+           "string icon_name" : "emblem-system",
+           "xtype" : "MenuButton"
+          }
+         ],
+         "xtype" : "Box"
         }
        ],
-       "listeners" : {
-        "search_changed" : [
-         "( ) => {",
-         "",
-         "_this.search(_this.search_entry.el.text);",
-         "\t _this.search_results.updateResults();",
-         "",
-         "\tGLib.Timeout.add_seconds(1,() => {",
-         "\t\t _this.search_results.updateResults();",
-         "\t\t return false;",
-         "\t });",
-         "}",
-         ""
-        ]
-       },
-       "string name" : "editor-search-entry",
-       "string placeholder_text" : "Press enter to search",
-       "uint search_delay" : 3,
-       "xtype" : "SearchEntry",
-       "| void forwardSearch" : [
-        "(bool change_focus) {",
-        "",
-        "",
-        "\t_this.forwardSearch(change_focus);",
-        "",
-        "/*",
-        "",
-        "\tswitch(_this.windowstate.state) {",
-        "\t\tcase WindowState.State.CODEONLY:",
-        "\t\t//case WindowState.State.CODE:",
-        "\t\t\t// search the code being edited..",
-        "\t\t\t_this.windowstate.code_editor_tab.forwardSearch(change_focus);",
-        "\t\t\t ",
-        "\t\t\tbreak;",
-        "\t\tcase WindowState.State.PREVIEW:",
-        "\t\t\tif (_this.windowstate.file.xtype == \"Gtk\") {",
-        "\t\t\t\t_this.windowstate.window_gladeview.forwardSearch(change_focus);",
-        "\t\t\t} else { ",
-        "\t\t\t\t _this.windowstate.window_rooview.forwardSearch(change_focus);",
-        "\t\t\t}",
-        "\t\t",
-        "\t\t\tbreak;",
-        "\t}",
-        "\t*/",
-        "\t",
-        "}",
-        ""
-       ]
-      },
-      {
-       "$ xns" : "Gtk",
-       "id" : "search_results",
-       "int margin_end" : 4,
-       "int margin_start" : 4,
-       "string label" : "No Results",
-       "xtype" : "Label",
-       "| void updateResults" : [
-        "() {",
-        "\tthis.el.visible = true;",
-        "\t",
-        "\tvar res = _this.searchcontext.get_occurrences_count();",
-        "\tif (res < 0) {",
-        "\t\t_this.search_results.el.label = \"??? Matches\";\t\t",
-        "\t\treturn;",
-        "\t}",
-        "",
-        "\t_this.nextBtn.el.sensitive = false;",
-        "\t_this.backBtn.el.sensitive = false;\t",
-        "",
-        "\tif (res > 0) {",
-        "\t\t_this.search_results.el.label = \"%d Matches\".printf(res);",
-        "\t\t_this.nextBtn.el.sensitive = true;",
-        "\t\t_this.backBtn.el.sensitive = true;",
-        "\t\treturn;",
-        "\t} ",
-        "\t_this.search_results.el.label = \"No Matches\";",
-        "\t",
-        "}"
-       ]
-      },
-      {
-       "$ xns" : "Gtk",
-       "bool always_show_image" : true,
-       "bool sensitive" : false,
-       "id" : "nextBtn",
-       "listeners" : {
-        "clicked" : [
-         "(event) => {",
-         "",
-         "\t_this.forwardSearch(true);",
-         "\t",
-         "\t ",
-         "}",
-         ""
-        ]
-       },
-       "string icon_name" : "go-down",
-       "xtype" : "Button"
-      },
-      {
-       "$ xns" : "Gtk",
-       "bool always_show_image" : true,
-       "bool sensitive" : false,
-       "id" : "backBtn",
-       "listeners" : {
-        "clicked" : [
-         "(event) => {",
-         "",
-         "\t_this.backSearch(true);",
-         "\t ",
-         "}",
-         ""
-        ]
-       },
-       "string icon_name" : "go-up",
-       "xtype" : "Button"
+       "xtype" : "Box"
       },
       {
        "$ xns" : "Gtk",
-       "bool always_show_arrow" : true,
-       "bool always_show_image" : true,
+       "* prop" : "end_child",
+       "bool visible" : false,
+       "id" : "navigationwindow",
        "items" : [
         {
          "$ xns" : "Gtk",
-         "* prop" : "popover",
-         "id" : "search_settings",
+         "* prop" : "child",
+         "id" : "navigation",
          "items" : [
           {
            "$ xns" : "Gtk",
-           "* prop" : "child",
-           "Gtk.Orientation orientation" : "Gtk.Orientation.VERTICAL",
-           "int spacing" : 0,
+           "bool expand" : true,
            "items" : [
             {
              "$ xns" : "Gtk",
-             "* init" : [
-              "{",
-              "\tthis.el.show();",
-              "}",
-              ""
-             ],
-             "id" : "case_sensitive",
-             "string label" : "Case Sensitive",
-             "xtype" : "CheckButton"
-            },
+             "* prop" : "factory",
+             "listeners" : {
+              "bind" : [
+               "(listitem) => {",
+               "\t// GLib.debug(\"listitme is is %s\", ((Gtk.ListItem)listitem).get_type().name());",
+               "\t",
+               "\t//var expand = (Gtk.TreeExpander) ((Gtk.ListItem)listitem).get_child();",
+               "\tvar expand = (Gtk.TreeExpander)  ((Gtk.ListItem)listitem).get_child();",
+               "\t ",
+               "\t ",
+               "\tvar hbox = (Gtk.Box) expand.child;",
+               " ",
+               "\t",
+               "\tvar img = (Gtk.Image) hbox.get_first_child();",
+               "\tvar lbl = (Gtk.Label) img.get_next_sibling();",
+               "\t",
+               "\tvar lr = (Gtk.TreeListRow)((Gtk.ListItem)listitem).get_item();",
+               "\tvar sym = (Lsp.DocumentSymbol) lr.get_item();",
+               "\t",
+               "\tGLib.debug(\"got %d children for %s\" , (int)sym.children.get_n_items(), sym.name);",
+               "    ",
+               "    expand.set_hide_expander( sym.children.get_n_items()  < 1);",
+               " \texpand.set_list_row(lr);",
+               " \t",
+               " \tsym.bind_property(\"symbol_icon\",",
+               "                    img, \"icon_name\",",
+               "                   GLib.BindingFlags.SYNC_CREATE);",
+               " \t",
+               " \thbox.add_css_class(sym.symbol_icon);",
+               " \t",
+               " \tsym.bind_property(\"name\",",
+               "                    lbl, \"label\",",
+               "                   GLib.BindingFlags.SYNC_CREATE);",
+               " \t// should be better?- --line no?",
+               " \tsym.bind_property(\"tooltip\",",
+               "                    lbl, \"tooltip_markup\",",
+               "                   GLib.BindingFlags.SYNC_CREATE);",
+               " \t// bind image...",
+               " \t",
+               "}",
+               ""
+              ],
+              "setup" : [
+               "(listitem) => {",
+               "\t",
+               "\tvar expand = new Gtk.TreeExpander();",
+               "\t ",
+               "\texpand.set_indent_for_depth(true);",
+               "\texpand.set_indent_for_icon(true);",
+               "\tvar hbox = new Gtk.Box(Gtk.Orientation.HORIZONTAL,0);",
+               "\tvar icon = new Gtk.Image();",
+               "\tvar lbl = new Gtk.Label(\"\");",
+               "\tlbl.use_markup = true;",
+               "\tlbl.ellipsize = Pango.EllipsizeMode.END;",
+               "\t",
+               "\ticon.margin_end = 4;",
+               " \tlbl.justify = Gtk.Justification.LEFT;",
+               " \tlbl.xalign = 0;",
+               "",
+               "//\tlistitem.activatable = true; ??",
+               "\t",
+               "\thbox.append(icon);",
+               "\thbox.append(lbl);",
+               "\texpand.set_child(hbox);",
+               "\t((Gtk.ListItem)listitem).set_child(expand);",
+               "\t",
+               "}",
+               ""
+              ]
+             },
+             "xtype" : "SignalListItemFactory"
+            }
+           ],
+           "string title" : "Code Navigation",
+           "xtype" : "ColumnViewColumn"
+          },
+          {
+           "$ xns" : "Gtk",
+           "* prop" : "model",
+           "id" : "navigationselmodel",
+           "items" : [
             {
              "$ xns" : "Gtk",
-             "* init" : [
-              "{",
-              "\tthis.el.show();",
-              "}",
-              ""
+             "* prop" : "model",
+             "items" : [
+              {
+               "$ Gtk.TreeListModelCreateModelFunc create_func" : [
+                "(item) => {",
+                " ",
+                "\treturn ((Lsp.DocumentSymbol)item).children;",
+                "}",
+                ""
+               ],
+               "$ xns" : "Gtk",
+               "* prop" : "model",
+               "bool autoexpand" : true,
+               "bool passthrough" : false,
+               "items" : [
+                {
+                 "$ GLib.Type item_type" : "typeof(Lsp.DocumentSymbol)",
+                 "$ xns" : "GLib",
+                 "* prop" : "root",
+                 "id" : "navliststore",
+                 "xtype" : "ListStore"
+                }
+               ],
+               "xtype" : "TreeListModel"
+              },
+              {
+               "$ xns" : "Gtk",
+               "* prop" : "sorter",
+               "items" : [
+                {
+                 "$ xns" : "Gtk",
+                 "* prop" : "sorter",
+                 "items" : [
+                  {
+                   "$ GLib.Type this_type" : "typeof(Lsp.DocumentSymbol)",
+                   "$ xns" : "Gtk",
+                   "* prop" : "expression",
+                   "string property_name" : "sort_key",
+                   "xtype" : "PropertyExpression"
+                  }
+                 ],
+                 "xtype" : "StringSorter"
+                }
+               ],
+               "xtype" : "TreeListRowSorter"
+              }
              ],
-             "id" : "regex",
-             "string label" : "Regex",
-             "xtype" : "CheckButton"
-            },
-            {
-             "$ xns" : "Gtk",
-             "id" : "multiline",
-             "string label" : "Multi-line (add \\n)",
-             "xtype" : "CheckButton"
+             "xtype" : "SortListModel"
             }
            ],
-           "xtype" : "Box"
+           "xtype" : "NoSelection",
+           "| Lsp.DocumentSymbol? getSymoblAt" : [
+            "(uint row) {",
+            "",
+            "   var tr = (Gtk.TreeListRow)this.el.get_item(row);",
+            "   ",
+            "   var a = tr.get_item();;   ",
+            "   GLib.debug(\"get_item (2) = %s\", a.get_type().name());",
+            "  \t",
+            "   ",
+            "   return (Lsp.DocumentSymbol)tr.get_item();",
+            "\t ",
+            "}"
+           ]
+          },
+          {
+           "$ xns" : "Gtk",
+           "listeners" : {
+            "pressed" : [
+             "(n_press, x, y) => {",
+             "\tstring pos;",
+             "  \tvar row = _this.navigation.getRowAt(x,y, out pos );",
+             "    if (row < 0) {",
+             "\t    GLib.debug(\"no row selected items\");",
+             "\t    return;",
+             "    }",
+             "    //Lsp.DocumentSymbol",
+             "    var sym =   _this.navigationselmodel.getSymoblAt(row);",
+             "    if (sym == null) {",
+             "    \treturn;",
+             "\t}",
+             "\t/*",
+             "\t \"range\" : {",
+             "              \"start\" : {",
+             "                \"line\" : 1410,",
+             "                \"character\" : 8",
+             "              },",
+             "              \"end\" : {",
+             "                \"line\" : 1410,",
+             "                \"character\" : 39",
+             "              }",
+             "            },",
+             "            */",
+             "    _this.scroll_to_line((int)sym.range.start.line);",
+             "\t",
+             "}"
+            ]
+           },
+           "xtype" : "GestureClick"
           }
          ],
-         "xtype" : "Popover"
+         "string name" : "editor-navigation",
+         "xtype" : "ColumnView",
+         "| int getRowAt" : [
+          "(double x,  double  y, out string pos) {",
+          "",
+          "\tpos = \"\";",
+          "\tvar w = this.el.pick(x, y, Gtk.PickFlags.DEFAULT);",
+          "\t//GLib.debug(\"got widget %s\", w == null ? \"nothing\" : w.get_type().name());",
+          "\tif (w == null) {",
+          "\t\treturn -1;",
+          "\t}",
+          "\t",
+          "\tvar row= w.get_ancestor(GLib.Type.from_name(\"GtkColumnViewRowWidget\"));",
+          "\tif (row == null) {",
+          "\t\treturn -1;",
+          "\t}",
+          "\t",
+          "\t//GLib.debug(\"got colview %s\", row == null ? \"nothing\" : row.get_type().name());",
+          "\t ",
+          "\tvar rn = 0;",
+          "\tvar cr = row;",
+          "\t ",
+          "\twhile (cr.get_prev_sibling() != null) {",
+          "\t\trn++;",
+          "\t\tcr = cr.get_prev_sibling();",
+          "\t}",
+          "\t",
+          "\t//GLib.debug(\"row number is %d\", rn);",
+          "\t//GLib.debug(\"click %d, %d\", (int)x, (int)y);",
+          "\t// above or belw",
+          "\tGraphene.Rect  bounds;",
+          "\trow.compute_bounds(this.el, out bounds);",
+          "\t//GLib.debug(\"click x=%d, y=%d, w=%d, h=%d\", ",
+          "\t//\t(int)bounds.get_x(), (int)bounds.get_y(),",
+          "\t//\t(int)bounds.get_width(), (int)bounds.get_height()",
+          "\t//\t);",
+          "\tvar ypos = y - bounds.get_y();",
+          "\t//GLib.debug(\"rel ypos = %d\", (int)ypos);\t",
+          "\tvar rpos = 100.0 * (ypos / bounds.get_height());",
+          "\t//GLib.debug(\"rel pos = %d %%\", (int)rpos);",
+          "\tpos = \"over\";",
+          "\t",
+          "\tif (rpos > 80) {",
+          "\t\tpos = \"below\";",
+          "\t} else if (rpos < 20) {",
+          "\t\tpos = \"above\";",
+          "\t} ",
+          "\treturn rn;",
+          " }"
+         ],
+         "| void show" : [
+          "(Gee.ArrayList<Lsp.DocumentSymbol> syms) {",
+          "\t_this.navigationwindow.el.show();",
+          "\t_this.navliststore.el.remove_all();",
+          "\tforeach(var sym in syms) {",
+          "\t\t_this.navliststore.el.append(sym);",
+          "\t}",
+          "\t",
+          "",
+          "}"
+         ]
         }
        ],
-       "string icon_name" : "emblem-system",
-       "xtype" : "MenuButton"
+       "xtype" : "ScrolledWindow"
       }
      ],
-     "xtype" : "Box"
+     "xtype" : "Paned"
     }
    ],
    "xtype" : "Box",
     "        this.view.load( prop.val );",
     "        this.updateErrorMarks();",
     "        ",
+    "        ",
+    "        ",
     "        this.close_btn.el.show();       ",
     "    ",
     "    } else {",
     "        this.view.load(        file.toSource() );",
     "         this.updateErrorMarks();",
     "        this.close_btn.el.hide();",
+    "        var ls = file.getLanguageServer();",
+    "        ls.documentSymbols.begin(file, (a,o) => {",
+    "        \t_this.navigation.show(ls.documentSymbols.end(o)); ",
+    "        });",
+    "        //documentSymbols",
     "        ",
     "    }",
     " ",