package TextShapes;

/*****
 * Box.java
 *
 *  a class to draw text boxes.
 *
 ***/

public class Box {

    private int hsize;
    private int vsize;
    private String message;

    // constructors
    Box(int width, int height, String message){
	this.hsize = width;    // or you could write just "hsize=width"
	this.vsize = height;
	this.message = message;
    }
    
    // This should draw the Box on the screen.
    public void draw(){
	drawLeftMargin();
	drawTopOrBottom();
	for (int row=0; row<vsize; row++){
	    drawLeftMargin();
	    if (row != vsize/2) {
		drawRow("");
	    }
	    else {
		drawRow(message);
	    }
	    System.out.print("|");
	}
	drawLeftMargin();
	drawTopOrBottom();
    } // draw()

    private void drawLeftMargin(){
	System.out.print("  ");
    }

    private void drawRow(String centerText){
	System.out.print("|");
	for (int i=0; i < (hsize-centerText.length())/2; i++){
	    System.out.print(" ");	    
	}
	System.out.print(centerText);
	for (int i=0; i < (hsize-centerText.length())/2; i++){
	    System.out.print(" ");	    
	}
	System.out.print("|");
    }

    private void drawTopOrBottom(){
	System.out.print("+");
	for (int col=0; col<vsize; col++){
	    System.out.print("-");
	}
	System.out.println("+");
    }

} // class Box