Chapter 12, Problem 10PP

Program Plan Intro

  A simple graphics editor

Program plan:

• In the file “GraphShape.java”, create a class “GraphShape”,
  • Declare and initialize necessary variables.
  • Define the constructor.
  • Declare the method “draw()” to draw a shape.
  • Define the method “getColor()” to get the color.
• In the file “EllipseShape.java”, import necessary packages, and create a class “EllipseShape”,
  • Declare and initialize necessary variables.
  • Define the constructor.
  • Define the method “draw()” to draw an ellipse.
• In the file “LineShape.java”, import necessary packages, and create a class “LineShape”,
  • Declare and initialize necessary variables.
  • Define the constructor.
  • Define the method “draw()” to draw a line.
• In the file “RectangleShape.java”, import necessary package, and create a class “RectangleShape”,
  • Declare and initialize necessary variables.
  • Define the constructor.
  • Define the method “draw()” to draw a rectangle.
• In the file “GraphData.java”, create a class “GraphData”,
  • Declare an array list.
  • Define the constructor.
  • Define the method “add()” to set the shape.
  • Define the method “size()” to return the size of array list.
  • Define the method “get()” to get a graph shape.
• In the file “GraphPanel.java”, create a class “GraphPanel”,
  • Declare the variables.
  • Define the constructor.
  • Define the method “paintComponent()” to draw all shapes and text.
  • Define the method “addShape()” to add a shape to a list.
  • Define the method “getGraphData()” to get the graph data.
  • Define the method “setGraphData()” to set the graph data.
• In the file “GraphicsEditorFrame.java”, import necessary packages, and create a class “GraphicsEditorFrame”,
  • Declare the necessary variables.
  • Initialize necessary variables.
  • Define the constructor to initialize all the required Listener classes.
  • Define the method “createIOPanel()” to crate input and output panel.
  • Define the method “createShapePanel()” to create shape panel.
  • Define the method “createShapeButton()” to create all shape buttons.
  • Define the method “createColorPanel()” to create color panel.
  • Define the method “createColorButton” to create color buttons.
• In the file “GraphicsEditor.java”, import necessary packages, and create a class “GraphicsEditor”,
  • Define the method “main()”,
  • Create “JFrame” object.
  • Set the frame operation.
  • Set the frame title.
  • Make the frame visible.