!this.isMouseDown&&!mxEvent.isShiftDown(b)})))};mxGraph.prototype.createHandlers=function(){this.tooltipHandler=this.createTooltipHandler();this.tooltipHandler.setEnabled(!1);this.selectionCellsHandler=this.createSelectionCellsHandler();this.connectionHandler=this.createConnectionHandler();this.connectionHandler.setEnabled(!1);this.graphHandler=this.createGraphHandler();this.panningHandler=this.createPanningHandler();this.panningHandler.panningEnabled=!1;this.popupMenuHandler=this.createPopupMenuHandler()};