Android Open Source - bad Edit Text 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;
/*  w  w  w  . j a v a 2s  .  com*/
import android.util.TypedValue;
import android.view.KeyEvent;
import android.view.inputmethod.EditorInfo;
import android.widget.EditText;
import android.widget.TextView;
import com.madisp.bad.eval.BadConverter;
import com.madisp.bad.eval.BadVar;
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;
import com.madisp.bad.lib.ui.BadTextWatcher;

/**
 * Created with IntelliJ IDEA.
 * User: madis
 * Date: 5/9/13
 * Time: 1:50 PM
 */
public class EditTextDecorator extends BaseDecorator<EditText> {
  public EditTextDecorator(ExpressionFactory expressionFactory) {
    super(expressionFactory);
  }

  @Override
  public int[] attrs() {
    return new int[] { R.attr.model, R.attr.error, R.attr.imeAction };
  }

  @Override
  public void decorate(final Scope scope, final int attr, final TypedValue tv, final EditText view) {
    if (attr == R.attr.model) {
      Object var = scope.getVar(null, tv.string.toString());
      if (var instanceof BadVar) {
        view.addTextChangedListener(new BadTextWatcher(view, (BadVar<String>) var));
      }
    } else if (attr == R.attr.imeAction) {
      final Expression expr = expressionFactory.buildExpression(tv.string.toString());
      view.setOnEditorActionListener(new TextView.OnEditorActionListener() {
        @Override
        public boolean onEditorAction(TextView v, int actionId, KeyEvent event) {
          if (actionId == EditorInfo.IME_NULL && KeyEvent.ACTION_DOWN == event.getAction()) {
            return BadConverter.bool(expr.value(scope));
          }
          return false;
        }
      });
    } else if (attr == R.attr.error) {
      final Expression expr = expressionFactory.buildExpression(tv.string.toString());
      expr.addWatcher(scope, new Watcher() {
        @Override
        public void fire(Scope scope) {
          view.setError(BadConverter.string(expr.value(scope)));
        }
      });
      view.setError(BadConverter.string(expr.value(scope)));
    }
  }

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

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