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package cn.mapway.ui.client.widget.common;

import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.event.dom.client.ClickHandler;
import com.google.gwt.i18n.client.DateTimeFormat;
import com.google.gwt.regexp.shared.RegExp;
import com.google.gwt.user.datepicker.client.DateBox;

/**
 * The type Date box ex.
 */
public class DateBoxEx extends DateBox implements IValidator {
    private String msg = "";
    private RegExp regex = null;
    private boolean required = false;

    @Override
    public String getMessage() {
        return msg;
    }

    @Override
    public void setPattern(String pattern) {
        if (pattern != null && pattern.length() > 0) {
            regex = RegExp.compile(pattern);
        } else {
            regex = null;
        }
    }

    @Override
    public void setRequired(boolean b) {
        required = b;
    }

    @Override
    public boolean isValidate() {
        return true;
    }

    @Override
    public void setMessage(String msg) {
        this.msg = msg;
    }

    private static String DATE_TIME_FORMAT = "yyyy/MM/dd-HH:mm:ss";

    /**
     * Instantiates a new Date box ex.
     */
    public DateBoxEx() {
        setStyleName("gwtEx-TextBox");
        setDateFormat(DATE_TIME_FORMAT);

        initDateBox();
    }

    /**
     * Sets date format.
     *
     * @param dateFormat the date format
     */
    public void setDateFormat(String dateFormat) {
        if (!dateFormat.isEmpty()) {
            DATE_TIME_FORMAT = dateFormat;
        }
        DateTimeFormat dateTimeFormat = DateTimeFormat.getFormat(DATE_TIME_FORMAT);
        DefaultFormat df = new DateBoxEx.DefaultFormat(dateTimeFormat);
        this.setFormat(df);
    }

    /**
     * Init date box.
     */
    public void initDateBox() {
        PrimaryButton btn = new PrimaryButton();
        btn.setText("当前时间");
        btn.addClickHandler(nowTimeHandler);
        this.getElement().appendChild(btn.getElement());
    }

    /**
     * The Now time handler.
     */
    ClickHandler nowTimeHandler = new ClickHandler() {

        @Override
        public void onClick(ClickEvent event) {
        }
    };

}