basant307/AI_Governance_Project

1let corefn = ({2  notify: function( eventName, eventEles ){3    let _p = this._private;4 5    if( this.batching() ){6      _p.batchNotifications = _p.batchNotifications || {};7 8      let eles = _p.batchNotifications[ eventName ] = _p.batchNotifications[ eventName ] || this.collection();9 10      if( eventEles != null ){11        eles.merge( eventEles );12      }13 14      return; // notifications are disabled during batching15    }16 17    if( !_p.notificationsEnabled ){ return; } // exit on disabled18 19    let renderer = this.renderer();20 21    // exit if destroy() called on core or renderer in between frames #1499 #152822    if( this.destroyed() || !renderer ){ return; }23 24    renderer.notify( eventName, eventEles );25  },26 27  notifications: function( bool ){28    let p = this._private;29 30    if( bool === undefined ){31      return p.notificationsEnabled;32    } else {33      p.notificationsEnabled = bool ? true : false;34    }35 36    return this;37  },38 39  noNotifications: function( callback ){40    this.notifications( false );41    callback();42    this.notifications( true );43  },44 45  batching: function(){46    return this._private.batchCount > 0;47  },48 49  startBatch: function(){50    let _p = this._private;51 52    if( _p.batchCount == null ){53      _p.batchCount = 0;54    }55 56    if( _p.batchCount === 0 ){57      _p.batchStyleEles = this.collection();58      _p.batchNotifications = {};59    }60 61    _p.batchCount++;62 63    return this;64  },65 66  endBatch: function(){67    let _p = this._private;68 69    if( _p.batchCount === 0 ){ return this; }70 71    _p.batchCount--;72 73    if( _p.batchCount === 0 ){74      // update style for dirty eles75      _p.batchStyleEles.updateStyle();76 77      let renderer = this.renderer();78 79      // notify the renderer of queued eles and event types80      Object.keys( _p.batchNotifications ).forEach( eventName => {81        let eles = _p.batchNotifications[eventName];82 83        if( eles.empty() ){84          renderer.notify( eventName );85        } else {86          renderer.notify( eventName, eles );87        }88      } );89    }90 91    return this;92  },93 94  batch: function( callback ){95    this.startBatch();96    callback();97    this.endBatch();98 99    return this;100  },101 102  // for backwards compatibility103  batchData: function( map ){104    let cy = this;105 106    return this.batch( function(){107      let ids = Object.keys( map );108 109      for( let i = 0; i < ids.length; i++ ){110        let id = ids[i];111        let data = map[ id ];112        let ele = cy.getElementById( id );113 114        ele.data( data );115      }116    } );117  }118});119 120export default corefn;121