Add support for folded lines in Selection.selectLine

lib/ace/edit_session.js

@@ -1268,7 +1268,12 @@ var EditSession = function(text, mode) {
     this.getDocumentLastRowColumn = function(docRow, docColumn) {
         var screenRow = this.documentToScreenRow(docRow, docColumn);
         return this.getScreenLastRowColumn(screenRow);
-    }
+    };
+
+    this.getDocumentLastRowColumnPosition = function(docRow, docColumn) {
+        var screenRow = this.documentToScreenRow(docRow, docColumn);
+        return this.screenToDocumentPosition(screenRow, Number.MAX_VALUE / 10);
+    };
 
     this.getRowSplitData = function(row) {
         if (!this.$useWrapMode) {

lib/ace/edit_session/folding.js

@@ -371,7 +371,22 @@ function Folding() {
             }
         }.bind(this), endRow, endColumn);
         return textLine;
-    }
+    };
+
+    this.getDisplayLine = function(row, endColumn) {
+        var foldLine = this.getFoldLine(row);
+
+        if (!foldLine) {
+            if (endColumn == null) {
+                return this.doc.$lines[row];
+            } else {
+                var line = this.doc.$lines[row];
+                return line.substring(endColumn);
+            }
+        } else {
+            return this.getFoldDisplayLine(foldLine, row, endColumn);
+        }
+    };
 }
 
 exports.Folding = Folding;

lib/ace/selection.js

@@ -247,9 +247,19 @@ var Selection = function(session) {
     };
 
     this.selectLine = function() {
-        this.setSelectionAnchor(this.selectionLead.row, 0);
+        var rowStart = this.selectionLead.row;
+        var rowEnd;
+
+        var foldLine = this.session.getFoldLine(rowStart);
+        if (foldLine) {
+            rowStart = foldLine.start.row;
+            rowEnd = foldLine.end.row;
+        } else {
+            rowEnd = rowStart;
+        }
+        this.setSelectionAnchor(rowStart, 0);
         this.$moveSelection(function() {
-            this.moveCursorTo(this.selectionLead.row + 1, 0);
+            this.moveCursorTo(rowEnd + 1, 0);
         });
     };
 
@@ -310,7 +320,6 @@ var Selection = function(session) {
         var beforeCursor = this.doc.getLine(row).slice(firstRowColumn, column);
         var leadingSpace = beforeCursor.match(/^\s*/);
         if (leadingSpace[0].length == 0) {
-            var lastRowColumn = this.session.getDocumentLastRowColumn(row, column);
             leadingSpace = this.doc.getLine(row).
                                 substring(firstRowColumn, lastRowColumn).
                                 match(/^\s*/);
@@ -324,7 +333,12 @@ var Selection = function(session) {
 
     this.moveCursorLineEnd = function() {
         var lead = this.selectionLead;
-        this.moveCursorTo(lead.row, this.session.getDocumentLastRowColumn(lead.row, lead.column));
+        var lastRowColumnPosition =
+            this.session.getDocumentLastRowColumnPosition(lead.row, lead.column);
+        this.moveCursorTo(
+            lastRowColumnPosition.row,
+            lastRowColumnPosition.column
+        );
     };
 
     this.moveCursorFileEnd = function() {