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package atom.widget;

import atom.view.AbstractView;

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

/**
 * Represents a file upload widget that is used by user to upload some resource.
 *
 * @author Alex Voloshyn
 * @author Serge Voloshyn
 * @version 1.3 4/20/14
 */
@XmlType(namespace = AbstractView.LAYOUT_NAMESPACE)
@XmlRootElement(name = "UploadView", namespace = AbstractView.LAYOUT_NAMESPACE)
public final class UploadView extends TextView {
    /**
     * Serial version UID for serialization.
     */
    private static final long serialVersionUID = -8526968389558985187L;
    /**
     * Button style name property name.
     */
    public static final String BUTTON_STYLE_NAME = "buttonStyleName";
    /**
     * Button style names.
     */
    private String buttonStyleName;
    /**
     * Whether several files can be uploaded at once.
     */
    private boolean multiple;

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

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

    /**
     * Get style name related to button.
     *
     * @return style name related to button
     */
    @XmlAttribute(name = "button-style")
    public String getButtonStyleName() {
        return buttonStyleName;
    }

    /**
     * Set style name related to button.
     *
     * @param aButtonStyleName style name related to button
     */
    public void setButtonStyleName(final String aButtonStyleName) {
        buttonStyleName = aButtonStyleName;
        fireChange(BUTTON_STYLE_NAME, buttonStyleName);
    }

    /**
     * Get whether several files can be uploaded at once.
     *
     * @return whether multi-file upload allowed
     */
    @XmlAttribute(name = "multiple")
    public boolean isMultiple() {
        return multiple;
    }

    /**
     * Set whether several files can be uploaded at once.
     *
     * @param isMultiple whether multi-file upload allowed
     */
    public void setMultiple(final boolean isMultiple) {
        multiple = isMultiple;
    }

    /* (non-Javadoc)
     * @see java.lang.Object#equals(java.lang.Object)
     */
    @Override
    public boolean equals(final Object object) {
        boolean areEquals;
        if (this == object) {
            areEquals = true;
        } else {
            if (object instanceof UploadView) {
                final UploadView that = (UploadView) object;
                areEquals = super.equals(that)
                        && Objects.equals(buttonStyleName,
                        that.buttonStyleName)
                        && Objects.equals(multiple, that.multiple);
            } else {
                areEquals = false;
            }
        }
        return areEquals;
    }

    /* (non-Javadoc)
     * @see java.lang.Object#hashCode()
     */
    @Override
    public int hashCode() {
        return Objects.hash(getViewId(), getText(), buttonStyleName, multiple);
    }

    /* (non-Javadoc)
     * @see java.lang.Object#toString()
     */
    @Override
    public String toString() {
        return String.format(
                "UploadView { "
                        + "viewId='%s', "
                        + "binaryPath='%s', "
                        + "styleName='%s', "
                        + "text='%s', "
                        + "buttonStyleName='%s', "
                        + "multiple='%b' "
                        + "}",
                getViewId(),
                getBinaryPath(),
                getStyleName(),
                getText(),
                buttonStyleName,
                multiple
        );
    }
}