Defect 14149: Column headers become misaligned with data if moving/dr…

…agging a column into or within the area of locked columns

1 modify z-index from 1 to 0 in "claro\Cridx.css"
2  when dragging a column, if mouse over locked columns, change icon
from enable to disable

modules/dnd/Column.js

@@ -4,9 +4,10 @@ define([
 	"dojo/dom-geometry",
 	"dojo/dom-class",
 	"dojo/query",
+	"dojo/dnd/Manager",
 	"./_Base",
 	"../../core/_Module"
-], function(declare, array, domGeometry, domClass, query, _Base, _Module){
+], function(declare, array, domGeometry, domClass, query, DndManager, _Base, _Module){
 
 /*=====
 	return declare(_Base, {
@@ -191,6 +192,34 @@ define([
 			}
 			return ret;
 		},
+
+		_onMouseMove: function(){
+			var t = this;
+			var flag = true;
+
+			if(t._target >= 0){
+
+				if (t.grid.columnLock && t._target < t.grid.columnLock.count) {
+					flag = false;
+				}
+
+				var indexes = array.map(t._selectedColIds, function(colId){
+					return t.grid._columnsById[colId].index;
+				});
+
+				if (t.grid.columnLock) {
+					if (array.some(indexes, function(index) {
+						return index < t.grid.columnLock.count;
+					})) {						
+						console.warn('can not move locked columns');
+						flag = false;
+					}
+				}
+			}
+			var manager=DndManager.manager();
+			manager.canDropFlag = flag;
+			manager.avatar.update();
+		},
 
 		_onDropInternal: function(nodes, copy){
 			var t = this;

modules/dnd/_Dnd.js

@@ -134,6 +134,8 @@ define([
 			var t = this;
 			if(t._alreadyIn && (t._dnding || t._extDnding)){
 				t._markTargetAnchor(evt);
+				if(this.profile._onMouseMove)
+					this.profile._onMouseMove();
 			}
 		},