package org.litesoft.GWT.client.widgets;

import com.google.gwt.user.client.*;
import com.google.gwt.user.client.ui.*;
import org.litesoft.GWT.client.widgets.nonpublic.*;

public class TextAreaChangeListenable extends TextArea implements IFocusWidget
{
    public TextAreaChangeListenable( int pInitialWidth, int pInitialLines, boolean pNoWrap )
    {
        setCharacterWidth( pInitialWidth );
        setVisibleLines( pInitialLines );
        mHelper = new TextAreaSupport( this, pNoWrap );
    }

    public TextAreaChangeListenable( Integer pInitialWidth, Integer pInitialLines, boolean pNoWrap )
    {
        this( (pInitialWidth != null) ? pInitialWidth.intValue() : 40, //
              (pInitialLines != null) ? pInitialLines.intValue() : 4, //
              pNoWrap );
    }

    TextBoxBaseChangeListenableHelper mHelper;

    protected void onDetach()
    {
        super.onDetach();
        mHelper.onDetach();
    }

    @Override public void setEnabled( boolean enabled )
    {
        DOM.setElementPropertyBoolean(getElement(), "readOnly", !enabled);
    }
    
    public void setText( String text )
    {
        super.setText( text );
        mHelper.setText( text );
    }

    public void setCharacterWidth( int width )
    {
        super.setCharacterWidth( width < 20 ? 20 : width );
    }

    public void setVisibleLines( int lines )
    {
        super.setVisibleLines( lines < 2 ? 2 : lines );
    }
}