/**
 * 
 */
package visualizationElements;

import java.awt.Font;
import java.awt.Graphics;

/**
 * Represents a table to visualize.
 * @author MSchaefer
 *
 */
public class Table extends VisualizationElement {

	protected static final int START_Y_POS = 20;
	protected static final int START_X_POS = 20;
	protected static final int CELL_HEIGHT = 20;
	protected static final int CELL_WIDTH = 80;
	protected int numberOfRows;
	protected int numberOfColumns;
	private int height;
	private int width;
	protected Object[][] valueTable;
	private String[] columnCaptions;
		
	/**
	 * Creates a new Table.
	 * @param values The values of the table.
	 * @param columnCaptions The captions of the table columns.
	 * @param width Width of the table.
	 * @param height Height of the table.
	 * 
	 */
	public Table(Object[][] values, String[] columnCaptions, int width, int height) {
		
		super();
		if(columnCaptions.length != values[0].length){
			throw new IllegalArgumentException("Not all columns have got a caption!");
		}
		this.setValues(values);
		this.setColumnCaptions(columnCaptions);
	}
	
	/**
	 * Creates a new Table.
	 * @param values The values of the table.
	 * @param width Width of the table.
	 * @param height Height of the table.
	 * 
	 */
	public Table(Object[][] values, int width, int height) {
		super();
		this.setValues(values);
		this.setColumnCaptions(null);
	}

	/* (non-Javadoc)
	 * @see visualizationElements.VisualizationElement#draw()
	 */
	@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;
			
			if(columnCaptions != null){
				g.setFont(new Font("Arial", Font.BOLD, 13));
				
				g.drawRect(xpos, ypos, CELL_WIDTH, CELL_HEIGHT);
				g.drawRect(xpos+1, ypos + 1, CELL_WIDTH-2, CELL_HEIGHT-2);
				
				g.drawString(columnCaptions[j].toString(), xpos + 5, ypos + 15);
				g.setFont(new Font("Arial", Font.PLAIN, 13));			
			}
			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[i][j].toString(), xpos + CELL_HEIGHT, ypos + 15);				
				}
			}
		}
	}

	/**
	 * @param width the width to set
	 */
	public void setWidth(int width) {
		this.width = width;
	}


	/**
	 * @return the width
	 */
	public int getWidth() {
		return width;
	}


	/**
	 * @param height the height to set
	 */
	public void setHeight(int height) {
		this.height = height;
	}


	/**
	 * @return the height
	 */
	public int getHeight() {
		return height;
	}

	public void setColumnCaptions(String[] columnCaptions) {
		this.columnCaptions = columnCaptions;		
	}
	
	public String[] getColumnCaptions(){
		return this.columnCaptions;
	}

	/**
	 * @param values the values to set
	 */
	public void setValues(Object[][] values) {
		this.valueTable = values;
	}


	/**
	 * @return the values
	 */
	public Object[][] getValues() {
		return valueTable;
	}
}