From 351c1e75fb95308ad209992ec1592ee5d53b75c7 Mon Sep 17 00:00:00 2001
From: Chris Wanstrath <chris@ozmm.org>
Date: Wed, 16 Nov 2011 10:34:19 -0800
Subject: [PATCH] Add editor.toUpperCase() and editor.toLowerCase()

Also add Ctrl-U (uppercase) and Ctrl-Shift-U (lowercase) bindings.
---
 lib/ace/commands/default_commands.js |  8 ++++++
 lib/ace/editor.js                    | 30 +++++++++++++++++++++
 lib/ace/editor_text_edit_test.js     | 40 ++++++++++++++++++++++++++++
 3 files changed, 78 insertions(+)

diff --git a/lib/ace/commands/default_commands.js b/lib/ace/commands/default_commands.js
index 42a22424..95c4e94c 100644
--- a/lib/ace/commands/default_commands.js
+++ b/lib/ace/commands/default_commands.js
@@ -301,6 +301,14 @@ exports.commands = [{
     name: "transposeletters",
     bindKey: bindKey("Ctrl-T", "Ctrl-T"),
     exec: function(editor) { editor.transposeLetters(); }
+}, {
+    name: "touppercase",
+    bindKey: bindKey("Ctrl-U", "Ctrl-U"),
+    exec: function(editor) { editor.toUpperCase(); }
+}, {
+    name: "tolowercase",
+    bindKey: bindKey("Ctrl-Shift-U", "Ctrl-Shift-U"),
+    exec: function(editor) { editor.toLowerCase(); }
 }, {
     name: "fold",
     bindKey: bindKey("Alt-L", "Alt-L"),
diff --git a/lib/ace/editor.js b/lib/ace/editor.js
index 1baf50f2..55f20c11 100644
--- a/lib/ace/editor.js
+++ b/lib/ace/editor.js
@@ -773,6 +773,36 @@ var Editor = function(renderer, session) {
         this.session.replace(range, swap);
     };
 
+    this.toLowerCase = function() {
+        if (this.$readOnly)
+            return;
+
+        var originalRange = this.getSelectionRange();
+        if (this.selection.isEmpty()) {
+            this.selection.selectWord();
+        }
+
+        var range = this.getSelectionRange();
+        var text = this.session.getTextRange(range);
+        this.session.replace(range, text.toLowerCase());
+        this.selection.setSelectionRange(originalRange);
+    };
+
+    this.toUpperCase = function() {
+        if (this.$readOnly)
+            return;
+
+        var originalRange = this.getSelectionRange();
+        if (this.selection.isEmpty()) {
+            this.selection.selectWord();
+        }
+
+        var range = this.getSelectionRange();
+        var text = this.session.getTextRange(range);
+        this.session.replace(range, text.toUpperCase());
+        this.selection.setSelectionRange(originalRange);
+    };
+
     this.indent = function() {
         if (this.$readOnly)
             return;
diff --git a/lib/ace/editor_text_edit_test.js b/lib/ace/editor_text_edit_test.js
index 18cf0a96..e6a9ea04 100644
--- a/lib/ace/editor_text_edit_test.js
+++ b/lib/ace/editor_text_edit_test.js
@@ -511,6 +511,46 @@ module.exports = {
         editor.removeToLineEnd();
         assert.position(editor.getCursorPosition(), 1, 4);
         assert.equal(session.getValue(), ["123", "456789"].join("\n"));
+    },
+
+    "test: transform selection to uppercase": function() {
+        var session = new EditSession(["ajax", "dot", "org"]);
+
+        var editor = new Editor(new MockRenderer(), session);
+        editor.moveCursorTo(1, 0);
+        editor.getSelection().selectLineEnd();
+        editor.toUpperCase()
+        assert.equal(session.getValue(), ["ajax", "DOT", "org"].join("\n"));
+    },
+
+    "test: transform word to uppercase": function() {
+        var session = new EditSession(["ajax", "dot", "org"]);
+
+        var editor = new Editor(new MockRenderer(), session);
+        editor.moveCursorTo(1, 0);
+        editor.toUpperCase()
+        assert.equal(session.getValue(), ["ajax", "DOT", "org"].join("\n"));
+        assert.position(editor.getCursorPosition(), 1, 0);
+    },
+
+    "test: transform selection to lowercase": function() {
+        var session = new EditSession(["AJAX", "DOT", "ORG"]);
+
+        var editor = new Editor(new MockRenderer(), session);
+        editor.moveCursorTo(1, 0);
+        editor.getSelection().selectLineEnd();
+        editor.toLowerCase()
+        assert.equal(session.getValue(), ["AJAX", "dot", "ORG"].join("\n"));
+    },
+
+    "test: transform word to lowercase": function() {
+        var session = new EditSession(["AJAX", "DOT", "ORG"]);
+
+        var editor = new Editor(new MockRenderer(), session);
+        editor.moveCursorTo(1, 0);
+        editor.toLowerCase()
+        assert.equal(session.getValue(), ["AJAX", "dot", "ORG"].join("\n"));
+        assert.position(editor.getCursorPosition(), 1, 0);
     }
 };