package visualizationElements;

import java.awt.Graphics;
import java.util.Vector;

/**
 * Represents a Stack to visualize.
 * @author MSchaefer
 *
 */
public class Stack extends Table {
	
	/**
	 * Creates a new Stack.
	 * @param values The values of the stack.
	 */
	public Stack(Vector<?> values){
		super(null, values.size(), 1);
		
		Object[][] tableArray = createTableArray(values);
		
		super.setValues(tableArray);
	}
	
	
	/**
	 * Creates a new Stack.
	 * @param values The values of the stack.
	 */
	public Stack(Object[] values){
		super(null, values.length, 1);
		
		Object[][] tableArray = new Object[values.length][1];
		
		int i = 0;
		for(Object o : values){
			tableArray[i][0] = o;
			i++;
		}
		
		super.setValues(tableArray);
	}	
	

	@Override
	public void draw(Graphics g) {
		numberOfRows = valueTable.length;
		numberOfColumns = valueTable[0].length;
		
		int xpos = START_X_POS;
		int ypos = START_Y_POS;

		for(int j = 0; j < numberOfColumns; j++){
			xpos = xpos + CELL_WIDTH;
			ypos = START_Y_POS;
			
			for(int i = 0; i < numberOfRows; i++){
				
				ypos = ypos + CELL_HEIGHT;
				g.drawRect(xpos, ypos, CELL_WIDTH, CELL_HEIGHT);
				if(valueTable[i][j] != null){
				g.drawString(valueTable[numberOfRows-(i+1)][numberOfColumns-(j+1)].toString(), xpos + CELL_HEIGHT, ypos + 15);				
				}
			}
		}
				
		g.drawLine(START_X_POS + CELL_WIDTH - 3, START_Y_POS, START_X_POS + CELL_WIDTH - 3, ypos + CELL_HEIGHT + 3);
		g.drawLine(xpos + CELL_WIDTH + 3, START_Y_POS, xpos + CELL_WIDTH + 3, ypos + CELL_HEIGHT + 3);
		
		g.drawLine(START_X_POS + CELL_WIDTH - 3, ypos + CELL_HEIGHT + 3, xpos + CELL_WIDTH + 3, ypos + CELL_HEIGHT + 3);
		
		g.drawLine(START_X_POS + CELL_WIDTH - 4, START_Y_POS, START_X_POS + CELL_WIDTH - 4, ypos + CELL_HEIGHT + 4);
		g.drawLine(xpos + CELL_WIDTH + 4, START_Y_POS, xpos + CELL_WIDTH + 4, ypos + CELL_HEIGHT + 4);
		
		g.drawLine(START_X_POS + CELL_WIDTH - 4, ypos + CELL_HEIGHT + 4, xpos + CELL_WIDTH + 4, ypos + CELL_HEIGHT + 4);
	}
	
	
	/**
	 * Creates the array to visualize as stack out from the vector.
	 * @param values Vector to convert.
	 * @return Array with values to visualizes as list.
	 */
	private Object[][] createTableArray(Vector<?> values) {
		Object[][] tableArray = new Object[values.size()][1];
		
		for (int i = 0; i<values.size(); i++) {
			tableArray[i][0] = values.get(i).toString();
		}
		return tableArray;
	}
}