MOve more IE<9 code to legacy_browser

2 files changed, 88 insertions, 3 deletions

diff --git a/plugins/legacy_browser/js/iehacks.js b/plugins/legacy_browser/js/iehacks.js
index 129ad6003..91dc6d63a 100644
--- a/plugins/legacy_browser/js/iehacks.js
+++ b/plugins/legacy_browser/js/iehacks.js
@@ -1,7 +1,8 @@
 
 // Make getElementById() case-sensitive on IE7
 document._getElementById = document.getElementById;
-document.getElementById = function(id) {
+document.getElementById = function(id)
+{
   var i = 0, obj = document._getElementById(id);
 
   if (obj && obj.id != id)
@@ -18,3 +19,80 @@ $(document).ready(function() {
       $('li:last-child', ul).css('border-bottom', 0);
   });
 });
+
+// gets cursor position (IE<9)
+rcube_webmail.prototype.get_caret_pos = function(obj)
+{
+  if (document.selection && document.selection.createRange) {
+    var range = document.selection.createRange();
+    if (range.parentElement() != obj)
+      return 0;
+
+    var gm = range.duplicate();
+    if (obj.tagName == 'TEXTAREA')
+      gm.moveToElementText(obj);
+    else
+      gm.expand('textedit');
+
+    gm.setEndPoint('EndToStart', range);
+    var p = gm.text.length;
+
+    return p <= obj.value.length ? p : -1;
+  }
+
+  return obj.value.length;
+};
+
+// moves cursor to specified position (IE<9)
+rcube_webmail.prototype.set_caret_pos = function(obj, pos)
+{
+  if (obj.createTextRange) {
+    var range = obj.createTextRange();
+    range.collapse(true);
+    range.moveEnd('character', pos);
+    range.moveStart('character', pos);
+    range.select();
+  }
+};
+
+// get selected text from an input field (IE<9)
+// http://stackoverflow.com/questions/7186586/how-to-get-the-selected-text-in-textarea-using-jquery-in-internet-explorer-7
+rcube_webmail.prototype.get_input_selection = function(obj)
+{
+  var start = 0, end = 0, len,
+    normalizedValue, textInputRange, endRange,
+    range = document.selection.createRange();
+
+  if (range && range.parentElement() == obj) {
+    len = obj.value.length;
+    normalizedValue = obj.value; //.replace(/\r\n/g, "\n");
+
+    // create a working TextRange that lives only in the input
+    textInputRange = obj.createTextRange();
+    textInputRange.moveToBookmark(range.getBookmark());
+
+    // Check if the start and end of the selection are at the very end
+    // of the input, since moveStart/moveEnd doesn't return what we want
+    // in those cases
+    endRange = obj.createTextRange();
+    endRange.collapse(false);
+
+    if (textInputRange.compareEndPoints("StartToEnd", endRange) > -1) {
+      start = end = len;
+    }
+    else {
+      start = -textInputRange.moveStart("character", -len);
+      start += normalizedValue.slice(0, start).split("\n").length - 1;
+
+      if (textInputRange.compareEndPoints("EndToEnd", endRange) > -1) {
+        end = len;
+      }
+      else {
+        end = -textInputRange.moveEnd("character", -len);
+        end += normalizedValue.slice(0, end).split("\n").length - 1;
+      }
+    }
+  }
+
+  return {start: start, end: end, text: normalizedValue.substr(start, end-start)};
+};
diff --git a/plugins/legacy_browser/legacy_browser.php b/plugins/legacy_browser/legacy_browser.php
index 0dc0794f3..9378cdc3e 100644
--- a/plugins/legacy_browser/legacy_browser.php
+++ b/plugins/legacy_browser/legacy_browser.php
@@ -25,10 +25,17 @@ class legacy_browser extends rcube_plugin
         // replace jQuery 2.x with 1.x
         $ts1 = filemtime($this->home . '/js/jquery.min.js');
         $ts2 = filemtime($this->home . '/js/iehacks.js');
+
+        // put iehacks.js after app.js
+        $args['content'] = preg_replace(
+            '|(<script src="program/js/app(\.min)?\.js\?s=[0-9]+" type="text/javascript"></script>)|',
+            '\\1<script src="plugins/legacy_browser/js/iehacks.js?s=' . $ts2 . '" type="text/javascript"></script>',
+            $args['content'], 1, $count);
+
         $args['content'] = preg_replace(
             '|<script src="program/js/jquery\.min\.js\?s=[0-9]+" type="text/javascript"></script>|',
-            '<script src="plugins/legacy_browser/js/jquery.min.js?s=' . $ts1 . '" type="text/javascript"></script>'."\n"
-            .'<script src="plugins/legacy_browser/js/iehacks.js?s=' . $ts2 . '" type="text/javascript"></script>',
+            '<script src="plugins/legacy_browser/js/jquery.min.js?s=' . $ts1 . '" type="text/javascript"></script>'
+            . ($count ? '' : "\n".'<script src="plugins/legacy_browser/js/iehacks.js?s=' . $ts2 . '" type="text/javascript"></script>'),
             $args['content'], 1);
 
         return $args;