BlockIdentifier.java

package com.drawbridge.vl.blocks;

import java.awt.BasicStroke;
import java.awt.Color;
import java.awt.Dimension;
import java.awt.Font;
import java.awt.Graphics;
import java.awt.Graphics2D;

import javax.swing.JTextField;
import javax.swing.event.DocumentEvent;
import javax.swing.event.DocumentListener;

import com.drawbridge.jsengine.ast.Evaluator;
import com.drawbridge.utils.Utils;
import com.drawbridge.vl.VLCanvas;
import com.google.caja.lexer.FilePosition;

public class BlockIdentifier extends Block
{
	private static final long	serialVersionUID	= -7483516649166023561L;

	public BlockIdentifier(FilePosition filePosition, Evaluator eval, String text) {
		super(filePosition, eval, VLCanvas.LINE_HEIGHT, Color.white, new BasicStroke(), text);
		setImmutableProperties();
	}

	public BlockIdentifier(BlockIdentifier block) {
		super(block);
		setImmutableProperties();
	}

	private void setImmutableProperties()
	{
		mRoundedText.getDocument().addDocumentListener(primitiveDocumentListener);
		// mRoundedText.setBorder(BorderFactory.createLineBorder(Color.black));

		mRoundedText.setHorizontalAlignment(JTextField.CENTER);
		int textHeight = mRoundedText.getFontMetrics(mRoundedText.getFont()).getMaxAdvance() +
				mRoundedText.getFontMetrics(mRoundedText.getFont()).getMaxDescent();
		mRoundedText.setMaximumSize(new Dimension(1000, textHeight));
		// Set Font Size of Text
		mRoundedText.setForeground(Color.black);
		mRoundedText.setFont(new Font(this.getFont().getFontName(), Font.BOLD, 22));

		// Restrict Formatting
		Utils.adaptTextFieldInputForVariableNames(mRoundedText, '_');

		validateForText();
	}

	@Override
	public Color getColor()
	{
		return mColor;
	}

	@Override
	public void paintComponent(Graphics g)
	{
		super.paintComponent(g);
		Graphics2D g2 = (Graphics2D) g;




	}

	DocumentListener	primitiveDocumentListener	= new DocumentListener()
	{

		@Override
		public void changedUpdate(DocumentEvent de)
		{
		}

		@Override
		public void insertUpdate(DocumentEvent de)
		{
			validateForText();
		}

		@Override
		public void removeUpdate(DocumentEvent de)
		{
			validateForText();
		}

	};

	@Override
	protected void validateForText()
	{
		super.validateForText();
		if (mRoundedText.getPreferredSize() != null && getPadding() != null) {
			int width = Math.max(10, mRoundedText.getPreferredSize().width) + getPadding().left + getPadding().right - 10;
			Dimension newBlockSize = new Dimension(width, getPreferredSize().height);
			setPreferredSize(newBlockSize);
			setSize(newBlockSize);
			mPath = Block.getSimplePath(0, 0, newBlockSize.width, newBlockSize.height);
			validate();
			repaint();
		}
	}

	@Override
	public String generateCode()
	{
		return mRoundedText.getText();
	}

}