From a5d700807a35fc6ad97f7dfe51156f82dc91e6bf Mon Sep 17 00:00:00 2001
From: Ed Sanders <esanders@wikimedia.org>
Date: Fri, 13 Nov 2015 18:23:16 -0800
Subject: [PATCH] AceEditorWidget: Implement getRange

Depends on I109a666679 in OOUI.

Change-Id: Ie40a30a3743237c1c1cd59dd2165d313363e04cb
---
 .../ui/widgets/ve.ui.MWAceEditorWidget.js     | 34 +++++++++++++++++++
 1 file changed, 34 insertions(+)

diff --git a/modules/ve-mw/ui/widgets/ve.ui.MWAceEditorWidget.js b/modules/ve-mw/ui/widgets/ve.ui.MWAceEditorWidget.js
index 5253e8670b..83449ca766 100644
--- a/modules/ve-mw/ui/widgets/ve.ui.MWAceEditorWidget.js
+++ b/modules/ve-mw/ui/widgets/ve.ui.MWAceEditorWidget.js
@@ -131,6 +131,40 @@ ve.ui.MWAceEditorWidget.prototype.setEditorValue = function ( value ) {
 	}
 };
 
+/**
+ * @inheritdoc
+ */
+ve.ui.MWAceEditorWidget.prototype.getRange = function () {
+	var selection, range, lines, start, end, isBackwards;
+
+	function posToOffset( row, col ) {
+		var r, offset = 0;
+
+		for ( r = 0; r < row; r++ ) {
+			offset += lines[ r ].length;
+			offset++; // for the newline character
+		}
+		return offset + col;
+	}
+
+	if ( this.editor ) {
+		lines = this.editor.getSession().getDocument().getAllLines();
+
+		selection = this.editor.getSelection();
+		isBackwards = selection.isBackwards();
+		range = selection.getRange();
+		start = posToOffset( range.start.row, range.start.column );
+		end = posToOffset( range.end.row, range.end.column );
+
+		return {
+			from: isBackwards ? end : start,
+			to: isBackwards ? start : end
+		};
+	} else {
+		return ve.ui.MWAceEditorWidget.super.prototype.getRange.call( this );
+	}
+};
+
 /**
  * @inheritdoc
  */