Android Open Source - bad Checkable Decorator

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License

The source code is released under:

Copyright (C) 2013 Madis Pink Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Softwa...

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Java Source Code

package com.madisp.bad.decor;
/*from   www.  ja  v a2  s  .  c  o  m*/
import android.util.TypedValue;
import android.widget.Checkable;
import com.madisp.bad.eval.BadConverter;
import com.madisp.bad.eval.Scope;
import com.madisp.bad.eval.Watcher;
import com.madisp.bad.expr.Expression;
import com.madisp.bad.expr.ExpressionFactory;
import com.madisp.bad.lib.R;

/**
 * Created with IntelliJ IDEA.
 * User: madis
 * Date: 5/9/13
 * Time: 2:03 PM
 */
public class CheckableDecorator extends BaseDecorator<Checkable> {
  public CheckableDecorator(ExpressionFactory expressionFactory) {
    super(expressionFactory);
  }

  @Override
  public int[] attrs() {
    return new int[] { R.attr.checked };
  }

  @Override
  public void decorate(Scope scope, final int attr, final TypedValue tv, final Checkable view) {
    if (attr == R.attr.checked) {
      final Expression expr = expressionFactory.buildExpression(tv.string.toString());
      expr.addWatcher(scope, new Watcher() {
        @Override
        public void fire(Scope scope) {
          Object obj = expr.value(scope);
          boolean bol = BadConverter.bool(obj);
          view.setChecked(bol);
        }
      });
      view.setChecked(BadConverter.bool(expr.value(scope)));
    }
  }

  @Override
  public Class<Checkable> clazz() {
    return Checkable.class;
  }
}

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