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package atom.widget;

import atom.widget.constants.WidgetConstants;

import javax.xml.bind.annotation.XmlAttribute;
import javax.xml.bind.annotation.XmlRootElement;
import java.util.Objects;

/**
 * Displays image to the user and optionally allows them to edit it.
 *
 * @author Alex Voloshyn
 * @author Serge Voloshyn
 * @version 1.4 11/17/14
 */
@XmlRootElement(name = "ImageView")
public final class ImageView extends TextView {
    /**
     * Serial version UID for serialization.
     */
    private static final long serialVersionUID = -1931914533298379881L;

    /**
     * Image source identifier.
     */
    private String src;

    /**
     * Default constructor.
     */
    public ImageView() {
        super();
    }

    /**
     * Creates instance with a defined id.
     *
     * @param viewId view identity
     */
    public ImageView(final String viewId) {
        super(viewId);
    }

    /**
     * Retrieve image source identifier.
     *
     * @return an image source identifier
     */
    @XmlAttribute(name = "src")
    public String getSrc() {
        return filter(src);
    }

    /**
     * Sets image source identifier.
     * 
     * Should be used in conjunction with {@link #setBinaryPath(String)}
     *
     * @param source new image source identifier
     */
    public void setSrc(final String source) {
        src = source;
        fireChange(WidgetConstants.SRC_NAME, src);
    }

    @Override
    public boolean equals(final Object object) {
        boolean areEquals;
        if (this == object) {
            areEquals = true;
        } else {
            if (object instanceof ImageView) {
                final ImageView that = (ImageView) object;
                areEquals = Objects.equals(src, that.src) && super.equals(that);
            } else {
                areEquals = false;
            }
        }
        return areEquals;
    }

    @Override
    public int hashCode() {
        return Objects.hash(getViewId(), src);
    }

    @Override
    public String toString() {
        return String.format(
                "ImageView { "
                        + "viewId='%s', "
                        + "binaryPath='%s', "
                        + "constraints='%s', "
                        + "styleName='%s', "
                        + "eventBits='%d', "
                        + "text='%s', "
                        + "src='%s' "
                        + "}",
                getViewId(),
                getBinaryPath(),
                getConstraints(),
                getStyleName(),
                getEventBits(),
                getText(),
                getSrc());
    }
}