r1515 - branches/bxe_2_0/js

Author: chregu
Date: Wed Sep 27 15:15:34 2006
New Revision: 1515

Modified:
   branches/bxe_2_0/js/bxeFunctions.js
Log:
add helper functions for remembering cursor positions


Modified: branches/bxe_2_0/js/bxeFunctions.js
==============================================================================
--- branches/bxe_2_0/js/bxeFunctions.js	(original)
+++ branches/bxe_2_0/js/bxeFunctions.js	Wed Sep 27 15:15:34 2006
@@ -2576,4 +2576,34 @@
 				
 	return true;
 	
+}
+var bxe_lastCursorPositionAnchorNode = null;
+var bxe_lastCursorPositionAnchorOffset = null;
+var bxe_lastCursorPositionFocusNode = null;
+var bxe_lastCursorPositionFocusOffset = null;
+
+
+function bxe_cursorPositionSave() {
+	
+	var sel = window.getSelection();
+	
+	bxe_lastCursorPositionAnchorNode = sel.anchorNode;
+	bxe_lastCursorPositionAnchorOffset = sel.anchorOffset;
+	if (sel.isCollapsed) {
+		bxe_lastCursorPositionFocusNode = null;
+		bxe_lastCursorPositionFocusOffset = null;
+	} else {
+		bxe_lastCursorPositionFocusNode = sel.focusNode;
+		bxe_lastCursorPositionFocusOffset = sel.focusOffset;;
+	}
+		
+}
+
+function bxe_cursorPositionLoad() {
+	var sel = window.getSelection();
+	sel.collapse(bxe_lastCursorPositionAnchorNode, bxe_lastCursorPositionAnchorOffset);
+	
+	if (bxe_lastCursorPositionFocusNode) {
+		sel.extend(bxe_lastCursorPositionFocusNode, bxe_lastCursorPositionFocusOffset);
+	}
 }
\ No newline at end of file
-- 
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