WarpPI/src/main/java/org/warp/picalculator/gui/expression/blocks/Block.java

package org.warp.picalculator.gui.expression.blocks;

import org.warp.picalculator.gui.GraphicalElement;
import org.warp.picalculator.gui.expression.Caret;
import org.warp.picalculator.gui.graphicengine.GraphicEngine;
import org.warp.picalculator.gui.graphicengine.Renderer;

public abstract class Block implements GraphicalElement {

	protected boolean small;
	protected int width;
	protected int height;
	protected int line;

	/**
	 * 
	 * @param r
	 *            Graphic Renderer class.
	 * @param x
	 *            Position relative to the window.
	 * @param y
	 *            Position relative to the window.
	 * @param small
	 */
	public abstract void draw(GraphicEngine ge, Renderer r, int x, int y, Caret caret);

	public abstract boolean putBlock(Caret caret, Block newBlock);

	public abstract boolean delBlock(Caret caret);

	@Override
	public abstract void recomputeDimensions();

	public abstract int computeCaretMaxBound();

	@Override
	public int getWidth() {
		return width;
	}

	@Override
	public int getHeight() {
		return height;
	}

	@Override
	public int getLine() {
		return line;
	}

	public boolean isSmall() {
		return small;
	}
	
	public abstract void setSmall(boolean small);

	public abstract int getClassID();
}