From 2c9404224be707c02ca94f468db12ecf4ed39861 Mon Sep 17 00:00:00 2001
From: nightwing <amirjanyan@gmail.com>
Date: Sun, 8 May 2011 18:22:08 +0500
Subject: [PATCH] restore setInnerHtml optimization for text layer

---
 lib/ace/layer/text.js | 22 +++++++++++++++++-----
 1 file changed, 17 insertions(+), 5 deletions(-)

diff --git a/lib/ace/layer/text.js b/lib/ace/layer/text.js
index 01ed9770..d28d34a5 100644
--- a/lib/ace/layer/text.js
+++ b/lib/ace/layer/text.js
@@ -286,12 +286,24 @@ var Text = function(parentEl) {
         this.config = config;
 
         var html = [];
-        var tokens = this.session.getTokens(config.firstRow, config.lastRow)
-        var fragment = this.$renderLinesFragment(config, config.firstRow, config.lastRow);
+        var firstRow = config.firstRow, lastRow = config.lastRow;
+        var tokens = this.session.getTokens(firstRow, lastRow)
 
-        // Clear the current content of the element and add the rendered fragment.
-        this.element.innerHTML =  "";
-        this.element.appendChild(fragment);
+        for (var row=firstRow; row<=lastRow; row++) {
+            html.push("<div class='ace_line' style='height:",
+                this.session.getRowHeight(config, row) + "px;", "width",  config.width + "px'>"
+            )
+            // Get the tokens per line as there might be some lines in between
+            // beeing folded.
+            // OPTIMIZE: If there is a long block of unfolded lines, just make
+            // this call once for that big block of unfolded lines.
+            var tokens = this.session.getTokens(row, row);
+            if (tokens.length == 1)
+                this.$renderLine(html, row, tokens[0].tokens);
+            html.push("</div>")
+            row = this.session.getRowFoldEnd(row);
+        }
+        this.element = dom.setInnerHtml(this.element, html.join(""));
     };
 
     this.$textToken = {