Chapter 16, Problem 16.7PE

Program Plan Intro

Program Plan:

• Include the required import statement.
• Define the main class.
  • Declare the necessary variables.
  • Allocate memory for two circles and label.
  • Using start initialize the required.
    • Create border panes, text fields and HBox.
    • Set everything into the panel.
    • Set the circle according to the user inputs.
    • Set the color and stroke of the circle.
    • Add action events to the button for typing hour, minute and second.
    • Create a scene and place the pane in the stage.
    • Set the title.
    • Place the scene in the stage.
    • Display the stage.
  • Define the main method using public static main.
    • Initialize the call.
• Create a class “ClockPane” that extends Pane.
  • Declare required parameters for the clock.
  • Use accessors and mutators methods to get and set the visibility.
  • Define the constructor with no parameters.
    • Get the current time.
  • Define the constructor with three parameters.
    • Set the hour, minute and second.
    • Call the function “paintClock ()”.
  • Use accessors and mutators methods to get and set the hour, minute and seconds.
  • Set the current hour, minute and seconds inside the function “setCurrentTime ()”.
    • Finally call the function “paintClock ()”.
  • Give function definition for “paintClock ()”.
    • Initialize the clock parameters.
    • Create a circle using “new Circle ()”.
    • Set the color and stroke color for the circle.
    • Create four texts to display the time on the clock using “new Text ()”.
    • Set the length to draw second’s hand.
    • Draw the second hand by creating a line using “new Line ()”.
    • Set the stroke color.
    • Set the length to draw minute’s hand.
    • Draw the minute hand by creating a line using “new Line ()”.
    • Set the stroke color.
    • Set the length to draw hour’s hand.
    • Draw the hour hand by creating a line using “new Line ()”.
    • Set the stroke color.
    • Now, clear the pane using “clear ()” method.
    • Add the circle and four texts to the pane.
    • Check if the visibility of second hand is true.
      • Add the second’s hand to the pane.
    • Check if the visibility of minute hand is true.
      • Add the minute’s hand to the pane.
    • Check if the visibility of hour hand is true.
      • Add the hour’s hand to the pane.
  • Give function definition for “setWidth ()” to set width.
    • Set the width of the pane.
    • Call the function “paintClock ()”.
  • Give function definition for “setHeight ()” to set height.
    • Set the height of the pane.
• Call the function “paintClock ()”.