This state diagram illustrates the workflow of a Payroll system, starting with the initial state of "Idle." From here, actions such as adding an employee, calculating payroll, or logging in as a manager transition the system to the corresponding states: "EmployeeAdded," "PayrollCalculated," or "ManagerMenu," respectively. 

In the "EmployeeAdded" state, options like viewing or editing employee details are available, leading to transitions like "EmployeeDetails" or "EmployeeUpdated."

Similarly, in the "ManagerMenu" state, actions such as approving payroll, generating reports, or logging out as a manager are possible, resulting in transitions to states like "PayrollApproved," "ReportGenerated," or "LoggedOut."

Finally, transitions from any state back to "Idle" indicate the completion of respective actions and the system returning to its initial state.

state-payroll-system.png

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Payroll System diagram code in Gleek

[O]-->Idle

/g Idle

    AddEmployee-->EmployeeAdded

    CalculatePayroll-->PayrollCalculated

    ManagerLogin-->ManagerMenu

/g EmployeeAdded

    ViewEmployee-->EmployeeDetails

    EditEmployee-->EmployeeUpdated

/g ManagerMenu

    ApprovePayroll-->PayrollApproved

    GenerateReport-->ReportGenerated

    ManagerLogout-->LoggedOut

Idle-->[O]

About state diagrams

State diagrams, a subset of UML's behavioral diagrams, visualize object lifecycles and transitions, pivotal in computer science. These diagrams portray system states, transitions, and event triggers, aiding software, circuits, and protocol designs. In modeling reactive systems, they clarify responses to internal or external events, bridging understanding across technical and non-technical stakeholders. State diagrams are indispensable tools, enabling comprehension and illustration of intricate system behaviors.

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