src/app/dragdropway/components/common/dragAndDropList/dragAndDropList.dndlist.directive.js
function isDropAllowed(event) {
      // Disallow drop from external source unless it's allowed explicitly.
      if (!dndDragTypeWorkaround.isDragging && !externalSources) return false;
      // Check mimetype. Usually we would use a custom drag type instead of Text, but IE doesn't
      // support that.
      if (!hasTextMimetype(event.dataTransfer.types)) return false;
      // Now check the dnd-allowed-types against the type of the incoming element. For drops from
      // external sources we don't know the type, so it will need to be checked via dnd-drop.
      if (attr.dndAllowedTypes && dndDragTypeWorkaround.isDragging) {
        var allowed = scope.$eval(attr.dndAllowedTypes);
        if (angular.isArray(allowed) && allowed.indexOf(dndDragTypeWorkaround.dragType) === -1) {
          return false;
        }
      }
      // Check whether droping is disabled completely
      if (attr.dndDisableIf && scope.$eval(attr.dndDisableIf)) return false;
      return true;
    }
function isDropAllowed(event) {
      // Disallow drop from external source unless it's allowed explicitly.
      if (!dndDragTypeWorkaround.isDragging && !externalSources) return false;
      // Check mimetype. Usually we would use a custom drag type instead of Text, but IE doesn't
      // support that.
      if (!hasTextMimetype(event.dataTransfer.types)) return false;
      // Now check the dnd-allowed-types against the type of the incoming element. For drops from
      // external sources we don't know the type, so it will need to be checked via dnd-drop.
      if (attr.dndAllowedTypes && dndDragTypeWorkaround.isDragging) {
        var allowed = scope.$eval(attr.dndAllowedTypes);
        if (angular.isArray(allowed) && allowed.indexOf(dndDragTypeWorkaround.dragType) === -1) {
          return false;
        }
      }
      // Check whether droping is disabled completely
      if (attr.dndDisableIf && scope.$eval(attr.dndDisableIf)) return false;
      return true;
    }
function isDropAllowed ( event ) { // Disallow drop from external source unless it's allowed explicitly. if ( ! dndDragTypeWorkaround . isDragging && ! externalSources ) return false ; // Check mimetype. Usually we would use a custom drag type instead of Text, but IE doesn't // support that. if ( ! hasTextMimetype ( event . dataTransfer . types ) ) return false ; // Now check the dnd-allowed-types against the type of the incoming element. For drops from // external sources we don't know the type, so it will need to be checked via dnd-drop. if ( attr . dndAllowedTypes && dndDragTypeWorkaround . isDragging ) { var allowed = scope . $eval ( attr . dndAllowedTypes ) ; if ( angular . isArray ( allowed ) && allowed . indexOf ( dndDragTypeWorkaround . dragType ) === - 1 ) { return false ; } } // Check whether droping is disabled completely if ( attr . dndDisableIf && scope . $eval ( attr . dndDisableIf ) ) return false ; return true ; }
Checks various conditions that must be fulfilled for a drop to be allowed
Checks various conditions that must be fulfilled for a drop to be allowed