windowproperties.java

Java source code IP Camera project for studying. Java源代碼的IP攝像頭項目的研究。

package sept.view;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileWriter;
import java.io.PrintWriter;
import java.util.Scanner;

/**
 * Class WindowProperties (ScreenPosition in class diagram)
 * 
 * A Container class that holds X,Y coordinates for screen position of the GUI.
 * Also contains height and width of the window.
 * 
 * @author Goran Mateski
 * @since v1.0
 */
public class WindowProperties {
	/* Window position */
	private int xPosition;
	private int yPosition;
	
	/* Window size */
	private int width;
	private int height;
	
	/* constants for default values */
	public static final int DEFAULT_X_POS = 100;
	public static final int DEFAULT_Y_POS = 100;
	public static final int DEFAULT_WIDTH = 500;
	public static final int DEFAULT_HEIGHT = 500;
	
	public static final String fileName = "settings.txt";
	/* The file has 4 integers in the following format:
	 * 
	 * x
	 * y
	 * width
	 * height
	 * 
	 * 
	 * 
	 * 
	 */

	
	/* Monitor identifier for multiple monitor setups */
	//private int monitorID; 
	
	
	
	/**
	 * 
	 */
	
    int settings[]=new int[4];
	public void readSettings()
	{

      //Attempt to open file
	  try
	  {
		Scanner file1=new Scanner(new File("settings.txt"));
	    //Grab the first four integers from file

		for(int i=0;i<4;i++)
		{
	      int numPass=file1.nextInt();
	      settings[i]=numPass;
		}
	  } 

	  //Print error message if one is received  
      catch(Exception e)
	  {
	    System.out.println(e.getMessage());
	  }
	  xPosition=settings[0];
	  yPosition=settings[1];
	  width=settings[2];
	  height=settings[3];
    }
	
	
	/**
	 * 
	 */
	public void saveSettings()
	{
	  try
	  {
		//Write to the file
		PrintWriter pw = new PrintWriter(new BufferedWriter(new FileWriter("settings.txt")));
		pw.println(xPosition);
		pw.println(yPosition);
		pw.println(width);
		pw.println(height);
		pw.close();
      }
	  //Print any error messages
	  catch(Exception e)
	  {
	    System.out.println(e.getMessage());
	  }
    }
	

	
	/**
	 * Default constructor. Set window attributes to default values.
	 */
	public WindowProperties(){
		xPosition = DEFAULT_X_POS;
		yPosition = DEFAULT_Y_POS;
		width = DEFAULT_WIDTH;
		height = DEFAULT_HEIGHT;
	}
	
	
	
	/**
	 * A Constructor that takes specific values.
	 * 
	 * @param xPos The horizontal position.
	 * @param yPos Vertical position.
	 * @param width Window Width.
	 * @param height Window Height.
	 */
	public WindowProperties(int xPos, int yPos, int width, int height){
		this.xPosition = xPos;
		this.yPosition = yPos;
		this.width = width;
		this.height = height;
	}
	
	
	
	/**
	 * Method getXPosition
	 * 
	 * @return Returns the x coordinate for window position.
	 */
	public int getXPosition(){
		return this.xPosition;
	}
	
	
	
	/**
	 * Method getYPosition
	 * 
	 * @return Returns the y coordinate for window position.
	 */
	public int getYPosition(){
		return this.yPosition;
	}
	
	
	
	/**
	 * Method getWidth
	 * 
	 * @return Returns window width (in pixels)
	 */
	public int getWidth(){
		return this.width;
	}
	
	
	
	/**
	 * Method getHeight
	 * 
	 * @return Returns window height (in pixels)
	 */
	public int getHeight(){
		return this.height;
	}
	
	
	/**
	 * Method setPosition
	 * 
	 * Mutator method to change the pixel coordinates of the window.
	 * 
	 * @param xPos Pixel value of x coordinate
	 * @param yPos Pixel value of y coordinate
	 */
	public void setPosition(int xPos, int yPos){
		this.xPosition = xPos;
		this.yPosition = yPos;
	}

	
	
	/**
	 * Method setSize
	 * 
	 * Mutator method to alter pixel values representing a window size.
	 * 
	 * @param width The width of the window (in pixels)
	 * @param height The height of the window (in pixels)
	 */
	public void setSize(int width, int height){
		this.width = width;
		this.height = height;
	}
}