From 65165f935e1928193362d759ddc99315da124221 Mon Sep 17 00:00:00 2001
From: Ezequiel Bergamaschi <ezequielbergamaschi@gmail.com>
Date: Fri, 6 Feb 2015 00:54:39 -0300
Subject: [PATCH] fix keyboard throubles with ie11

---
 .../main/javascript/MultilineTextEditor.js    | 27 ++++++++++++++++---
 mindplot/src/main/javascript/TextEditor.js    |  1 +
 wise-editor/src/main/webapp/js/editor.js      |  1 +
 3 files changed, 25 insertions(+), 4 deletions(-)

diff --git a/mindplot/src/main/javascript/MultilineTextEditor.js b/mindplot/src/main/javascript/MultilineTextEditor.js
index c36efdac..8fe7900e 100644
--- a/mindplot/src/main/javascript/MultilineTextEditor.js
+++ b/mindplot/src/main/javascript/MultilineTextEditor.js
@@ -88,6 +88,17 @@ mindplot.MultilineTextEditor = new Class({
                         me.close(true);
                     }
                     break;
+                case 'tab':
+                    event.preventDefault();
+                    var start = $(this).get(0).selectionStart;
+                    var end = $(this).get(0).selectionEnd;
+
+                    // set textarea value to: text before caret + tab + text after caret
+                    $(this).val($(this).val().substring(0, start) + "\t" + $(this).val().substring(end));
+
+                    // put caret at right position again
+                    $(this).get(0).selectionStart = $(this).get(0).selectionEnd = start + 1;
+                    break;
             }
             event.stopPropagation();
         });
@@ -248,24 +259,32 @@ mindplot.MultilineTextEditor = new Class({
 
     _positionCursor:function (textareaElem, selectText) {
         textareaElem.focus();
+        var lenght = textareaElem.val().length;
         if (selectText) {
             // Mark text as selected ...
             if (textareaElem.createTextRange) {
                 var rang = textareaElem.createTextRange();
                 rang.select();
-                rang.move("character", textareaElem.val().length);
+                rang.move("character", lenght);
             }
             else {
-                textareaElem[0].setSelectionRange(0, textareaElem.val().length);
+                textareaElem[0].setSelectionRange(0, lenght);
             }
 
         } else {
             // Move the cursor to the last character ..
             if (textareaElem.createTextRange) {
                 var range = textareaElem.createTextRange();
-                range.move("character", textareaElem.val().length);
+                range.move("character", lenght);
             } else {
-                textareaElem.selectionStart = textareaElem.val().length;
+                if (Browser.ie11) {
+                    textareaElem[0].selectionStart = lenght;
+                    textareaElem[0].selectionEnd = lenght;
+                } else {
+                    textareaElem.selectionStart = lenght;
+                    textareaElem.selectionEnd = lenght;
+                }
+                textareaElem.focus();
             }
         }
 
diff --git a/mindplot/src/main/javascript/TextEditor.js b/mindplot/src/main/javascript/TextEditor.js
index 651d9143..911c6161 100644
--- a/mindplot/src/main/javascript/TextEditor.js
+++ b/mindplot/src/main/javascript/TextEditor.js
@@ -16,6 +16,7 @@
  *   limitations under the License.
  */
 
+//FIXME: Not used!
 mindplot.TextEditor = new Class({
     initialize:function(topic) {
         this._topic = topic;
diff --git a/wise-editor/src/main/webapp/js/editor.js b/wise-editor/src/main/webapp/js/editor.js
index ec026f45..d9fb73af 100644
--- a/wise-editor/src/main/webapp/js/editor.js
+++ b/wise-editor/src/main/webapp/js/editor.js
@@ -31,6 +31,7 @@ Browser = {
     ie6: !window.XMLHttpRequest,
     ie7: document.all && window.XMLHttpRequest && !XDomainRequest && !window.opera,
     ie8: document.documentMode==8,
+    ie11: document.documentMode==11,
     opera: Boolean(window.opera),
     chrome: Boolean(window.chrome),
     safari: window.getComputedStyle && !window.globalStorage && !window.opera,