package com.temp.foundation.client.widget;

import com.temp.common.shared.utils.*;

public class WrappingNamedLabel extends NamedLabel {

    private static final int MINIMUM_MAX_LINE_CHARACTER_LENGTH = 5;

    private Integer maxLineCharacterLength;

    public WrappingNamedLabel() {
    }

    public WrappingNamedLabel( int maxLineCharacterLength, String text ) {
        setMaxLineCharacterLength( maxLineCharacterLength );
        setText( text );
    }

    public WrappingNamedLabel style( String className ) {
        addStyleName( className );
        return this;
    }

    public WrappingNamedLabel wrapAfter( int maxLineCharacterLength ) {
        setMaxLineCharacterLength( maxLineCharacterLength );
        return this;
    }

    public void setMaxLineCharacterLength( Integer maxLineCharacterLength ) {
        if ( (maxLineCharacterLength != null) && (maxLineCharacterLength < MINIMUM_MAX_LINE_CHARACTER_LENGTH) ) {
            throw new IllegalArgumentException( "maxLineCharacterLength too small" );
        }
        this.maxLineCharacterLength = maxLineCharacterLength;
    }

    public Integer getMaxLineCharacterLength() {
        return maxLineCharacterLength;
    }

    @Override
    public void setText( String text, Direction dir ) {
        throw new UnsupportedOperationException();
    }

    @Override
    public void setText( String text ) {
        String adjustedText = StringUtils.wrap( text, maxLineCharacterLength );
        String html = SafeHtmlizer.getInstance().noEmpty( adjustedText );
        getElement().setInnerHTML( html );
    }
}