public void update()

in src/main/java/idea/plugin/psiviewer/controller/actions/BaseGlobalAction.java [25:51]


    public void update(AnActionEvent event)
    {
        Presentation presentation = event.getPresentation();
        Project project = ActionEventUtil.getProject(event);
        if (project == null) {
            presentation.setEnabled(false);
            presentation.setVisible(false);
            return;
        }
        ToolWindow toolWindow = ToolWindowManager.getInstance(project).getToolWindow(PsiViewerConstants.ID_TOOL_WINDOW);
        if (toolWindow == null)
        { // tool window isn't registered
            presentation.setEnabled(false);
            presentation.setVisible(false);
            return;
        }
        VirtualFile file = ActionEventUtil.getVirtualFile(event);

        if (file == null)
        {
            presentation.setEnabled(false);
            presentation.setVisible(false);
            return;
        }
        presentation.setEnabled(toolWindow.isAvailable());
        presentation.setVisible(true);
    }