// Error window
this.errorWindow = new ErrorWindow(contentPane);
contentPane.add(getToolbar().getSwingComponent(), BorderLayout.PAGE_START);
this.portViewer = new PortViewer();
this.componentViewer = new ComponentViewer();
this.componentSelector = new ComponentSelector(this.engine);
this.componentSelector.addComponentSelectorListener(this.componentViewer);
this.monitorPane = new MonitorPanel(this,this.engine.getMonitor());