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-rw-r--r--plugins/legacy_browser/js/iehacks.js80
1 files changed, 79 insertions, 1 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)};
+};