replaced drag selection XOR with more reasonable behavior.

9 years ago · ee6bfc7540
1 changed files with 4 additions and 4 deletions
--- a/src/drag.js
+++ b/src/drag.js
@ -47,11 +47,11 @@ c3_chart_internal_fn.drag = function (mouse) {
                // line/area selection not supported yet
                return;
            }
-            if (isWithin ^ isIncluded) {
-                shape.classed(CLASS.INCLUDED, !isIncluded);
+            if (isWithin ^ isSelected || isWithin ^ isIncluded) {
+                shape.classed(CLASS.INCLUDED, isWithin);
                // TODO: included/unincluded callback here
-                shape.classed(CLASS.SELECTED, !isSelected);
-                toggle.call($$, !isSelected, shape, d, i);
+                shape.classed(CLASS.SELECTED, isWithin);
+                toggle.call($$, isWithin, shape, d, i);
            }
        });
 };