cmscalendarwidget.java

一个cms内容管理平台

        result.append("\n\t});\n");

        result.append("//-->\n");
        result.append("</script>\n");
        return result.toString();
    }

    /**
     * Creates the time in milliseconds from the given parameter.<p>
     * 
     * @param messages the messages that contain the time format definitions
     * @param dateString the String representation of the date
     * @param useTime true if the time should be parsed, too, otherwise false
     * 
     * @return the time in milliseconds
     * 
     * @throws ParseException if something goes wrong
     */
    public static long getCalendarDate(CmsMessages messages, String dateString, boolean useTime) throws ParseException {

        long dateLong = 0;

        // substitute some chars because calendar syntax != DateFormat syntax
        String dateFormat = messages.key(org.opencms.workplace.Messages.GUI_CALENDAR_DATE_FORMAT_0);
        if (useTime) {
            dateFormat += " " + messages.key(org.opencms.workplace.Messages.GUI_CALENDAR_TIME_FORMAT_0);
        }
        dateFormat = CmsCalendarWidget.getCalendarJavaDateFormat(dateFormat);

        SimpleDateFormat df = new SimpleDateFormat(dateFormat);
        dateLong = df.parse(dateString).getTime();
        return dateLong;
    }

    /**
     * Parses the JavaScript calendar date format to the java patterns of SimpleDateFormat.<p>
     * 
     * @param dateFormat the dateformat String of the JS calendar
     * @return the parsed SimpleDateFormat pattern String
     */
    public static String getCalendarJavaDateFormat(String dateFormat) {

        dateFormat = CmsStringUtil.substitute(dateFormat, "%", ""); // remove all "%"
        dateFormat = CmsStringUtil.substitute(dateFormat, "m", "${month}");
        dateFormat = CmsStringUtil.substitute(dateFormat, "H", "${hour}");
        dateFormat = CmsStringUtil.substitute(dateFormat, "Y", "${4anno}");
        dateFormat = dateFormat.toLowerCase();
        dateFormat = CmsStringUtil.substitute(dateFormat, "${month}", "M");
        dateFormat = CmsStringUtil.substitute(dateFormat, "${hour}", "H");
        dateFormat = CmsStringUtil.substitute(dateFormat, "y", "yy");
        dateFormat = CmsStringUtil.substitute(dateFormat, "${4anno}", "yyyy");
        dateFormat = CmsStringUtil.substitute(dateFormat, "m", "mm"); // minutes with two digits
        dateFormat = dateFormat.replace('e', 'd'); // day of month
        dateFormat = dateFormat.replace('i', 'h'); // 12 hour format
        dateFormat = dateFormat.replace('p', 'a'); // pm/am String
        return dateFormat;
    }

    /**
     * Returns the given timestamp as String formatted in a localized pattern.<p>
     * 
     * @param locale the locale for the time format
     * @param messages the messages that contain the time format definitions
     * @param timestamp the time to format
     * 
     * @return the given timestamp as String formatted in a localized pattern
     */
    public static String getCalendarLocalizedTime(Locale locale, CmsMessages messages, long timestamp) {

        // get the current date & time 
        TimeZone zone = TimeZone.getDefault();
        GregorianCalendar cal = new GregorianCalendar(zone, locale);
        cal.setTimeInMillis(timestamp);
        // format it nicely according to the localized pattern
        DateFormat df = new SimpleDateFormat(
            CmsCalendarWidget.getCalendarJavaDateFormat(messages.key(org.opencms.workplace.Messages.GUI_CALENDAR_DATE_FORMAT_0)
                + " "
                + messages.key(org.opencms.workplace.Messages.GUI_CALENDAR_TIME_FORMAT_0)));
        return df.format(cal.getTime());
    }

    /**
     * @see org.opencms.widgets.I_CmsWidget#getDialogIncludes(org.opencms.file.CmsObject, org.opencms.widgets.I_CmsWidgetDialog)
     */
    public String getDialogIncludes(CmsObject cms, I_CmsWidgetDialog widgetDialog) {

        return calendarIncludes(widgetDialog.getLocale());
    }

    public String getWidgetStringValue(CmsObject cms, I_CmsWidgetDialog widgetDialog, I_CmsWidgetParameter param) {

        String result = param.getStringValue(cms);
        if (CmsStringUtil.isNotEmptyOrWhitespaceOnly(result) && !"0".equals(result)) {
            try {
                result = getCalendarLocalizedTime(
                    widgetDialog.getLocale(),
                    widgetDialog.getMessages(),
                    Long.parseLong(result));
            } catch (NumberFormatException e) {
                result = "";
            }
        } else {
            result = "";
        }
        return result;
    }

    /**
     * @see org.opencms.widgets.I_CmsWidget#getDialogWidget(org.opencms.file.CmsObject, org.opencms.widgets.I_CmsWidgetDialog, org.opencms.widgets.I_CmsWidgetParameter)
     */
    public String getDialogWidget(CmsObject cms, I_CmsWidgetDialog widgetDialog, I_CmsWidgetParameter param) {

        StringBuffer result = new StringBuffer(16);
        result.append("<td class=\"xmlTd\">");
        result.append("<table border=\"0\" cellpadding=\"0\" cellspacing=\"0\"><tr><td>");
        result.append("<input class=\"xmlInputSmall");
        if (param.hasError()) {
            result.append(" xmlInputError");
        }
        result.append("\" value=\"");
        String dateTimeValue = getWidgetStringValue(cms, widgetDialog, param);
        result.append(dateTimeValue);
        String id = param.getId();
        result.append("\" name=\"");
        result.append(id);
        result.append("\" id=\"");
        result.append(id);
        result.append("\"></td>");
        result.append(widgetDialog.dialogHorizontalSpacer(10));
        result.append("<td>");
        result.append("<table class=\"editorbuttonbackground\" border=\"0\" cellpadding=\"0\" cellspacing=\"0\" id=\"");
        result.append(id);
        result.append(".calendar\"><tr>");
        result.append(widgetDialog.button(
            "#",
            null,
            "calendar",
            org.opencms.workplace.Messages.GUI_CALENDAR_CHOOSE_DATE_0,
            widgetDialog.getButtonStyle()));
        result.append("</tr></table>");
        result.append("</td></tr></table>");

        result.append(calendarInit(
            widgetDialog.getMessages(),
            id,
            id + ".calendar",
            "cR",
            false,
            false,
            true,
            null,
            true));

        result.append("</td>");

        return result.toString();
    }

    /**
     * @see org.opencms.widgets.I_CmsWidget#newInstance()
     */
    public I_CmsWidget newInstance() {

        return new CmsCalendarWidget(getConfiguration());
    }

    /**
     * @see org.opencms.widgets.I_CmsWidget#setEditorValue(org.opencms.file.CmsObject, java.util.Map, org.opencms.widgets.I_CmsWidgetDialog, org.opencms.widgets.I_CmsWidgetParameter)
     */
    public void setEditorValue(
        CmsObject cms,
        Map formParameters,
        I_CmsWidgetDialog widgetDialog,
        I_CmsWidgetParameter param) {

        String[] values = (String[])formParameters.get(param.getId());
        if ((values != null) && (values.length > 0)) {
            long dateTime;
            try {
                dateTime = Long.valueOf(param.getStringValue(cms)).longValue();
            } catch (NumberFormatException e) {
                dateTime = 0;
            }
            String dateTimeValue = values[0].trim();
            if (CmsStringUtil.isNotEmpty(dateTimeValue)) {
                try {
                    dateTime = getCalendarDate(widgetDialog.getMessages(), dateTimeValue, true);
                } catch (ParseException e) {
                    // TODO: Better exception handling
                    if (LOG.isWarnEnabled()) {
                        LOG.warn(Messages.get().getBundle().key(Messages.ERR_PARSE_DATETIME_1, dateTimeValue), e);
                    }
                }
            } else {
                dateTime = 0;
            }
            param.setStringValue(cms, String.valueOf(dateTime));
        }
    }
}