/* vim: set expandtab sw=4 ts=4 sts=4: */
/**
 * function used in table data manipulation pages
 *
 * @version $Id: tbl_change.js 10474 2007-07-08 17:39:06Z lem9 $
 */

/**
 * Modify from controls when the "NULL" checkbox is selected
 *
 * @param   string   the MySQL field type
 * @param   string   the urlencoded field name
 * @param   string   the md5 hashed field name
 *
 * @return  boolean  always true
 */
function nullify(theType, urlField, md5Field, multi_edit)
{
    var rowForm = document.forms['insertForm'];

    if (typeof(rowForm.elements['funcs' + multi_edit + '[' + urlField + ']']) != 'undefined') {
        rowForm.elements['funcs' + multi_edit + '[' + urlField + ']'].selectedIndex = -1;
    }

    // "SET" field , "ENUM" field with more than 20 characters
    // or foreign key field
    if (theType == 1 || theType == 3 || theType == 4) {
        rowForm.elements['field_' + md5Field + multi_edit + '[]'].selectedIndex = -1;
    }
    // Other "ENUM" field
    else if (theType == 2) {
        var elts     = rowForm.elements['field_' + md5Field + multi_edit + '[]'];
        // when there is just one option in ENUM:
        if (elts.checked) {
            elts.checked = false;
        } else {
            var elts_cnt = elts.length;
            for (var i = 0; i < elts_cnt; i++ ) {
                elts[i].checked = false;
            } // end for

        } // end if
    }
    // Other field types
    else /*if (theType == 5)*/ {
        rowForm.elements['fields' + multi_edit + '[' + urlField + ']'].value = '';
    } // end if... else if... else

    return true;
} // end of the 'nullify()' function


/**
 * Unchecks the "NULL" control when a function has been selected or a value
 * entered
 *
 * @param   string   the urlencoded field name
 *
 * @return  boolean  always true
 */
function unNullify(urlField, multi_edit)
{
    var rowForm = document.forms['insertForm'];

    if (typeof(rowForm.elements['fields_null[multi_edit][' + multi_edit + '][' + urlField + ']']) != 'undefined') {
        rowForm.elements['fields_null[multi_edit][' + multi_edit + '][' + urlField + ']'].checked = false
    } // end if

    if (typeof(rowForm.elements['insert_ignore_' + multi_edit]) != 'undefined') {
        rowForm.elements['insert_ignore_' + multi_edit].checked = false
    } // end if

    return true;
} // end of the 'unNullify()' function

var day;
var month;
var year;
var hour;
var minute;
var second;
var clock_set = 0;

/**
 * Opens calendar window.
 *
 * @param   string      calendar.php parameters
 * @param   string      form name
 * @param   string      field name
 * @param   string      edit type - date/timestamp
 */
function openCalendar(params, form, field, type) {
    window.open("./calendar.php?" + params, "calendar", "width=400,height=200,status=yes");
    dateField = eval("document." + form + "." + field);
    dateType = type;
}

/**
 * Formats number to two digits.
 *
 * @param   int number to format.
 * @param   string type of number
 */
function formatNum2(i, valtype) {
    f = (i < 10 ? '0' : '') + i;
    if (valtype && valtype != '') {
        switch(valtype) {
            case 'month':
                f = (f > 12 ? 12 : f);
                break;

            case 'day':
                f = (f > 31 ? 31 : f);
                break;

            case 'hour':
                f = (f > 24 ? 24 : f);
                break;

            default:
            case 'second':
            case 'minute':
                f = (f > 59 ? 59 : f);
                break;
        }
    }

    return f;
}

/**
 * Formats number to two digits.
 *
 * @param   int number to format.
 * @param   int default value
 * @param   string type of number
 */
function formatNum2d(i, default_v, valtype) {
    i = parseInt(i, 10);
    if (isNaN(i)) return default_v;
    return formatNum2(i, valtype)
}

/**
 * Formats number to four digits.
 *
 * @param   int number to format.
 */
function formatNum4(i) {
    i = parseInt(i, 10)
    return (i < 1000 ? i < 100 ? i < 10 ? '000' : '00' : '0' : '') + i;
}

/**
 * Initializes calendar window.
 */
function initCalendar(dateType) {
    if (!year && !month && !day) {
        if (isNaN(year) || isNaN(month) || isNaN(day) || day == 0) {
            dt      = new Date();
            year    = dt.getFullYear();
            month   = dt.getMonth();
            day     = dt.getDate();
        }
    } else {
        /* Moving in calendar */
        if (month > 11) {
            month = 0;
            year++;
        }
        if (month < 0) {
            month = 11;
            year--;
        }
    }

    if (document.getElementById) {
        cnt = document.getElementById("calendar_data");
				cnt_head = document.getElementById("calendar_head");
				cnt_body = document.getElementById("calendar_body");
    } else if (document.all) {
        cnt = document.all["calendar_data"];
				cnt_head = document.all("calendar_head");
				cnt_body = document.all("calendar_body");
    }

    cnt_head.innerHTML = "";
		cnt_body.innerHTML = "";

    str_head = "";
		str_body = "";

    //heading table
    str_head += '<span class="month_name">'+month_names[month]+'</span> ';
    str_head += '<span class="year_name">'+year+'</span>';
    str_head += '<form method="NONE" onsubmit="return 0" class="form_left">';
    str_head += ' <a href="javascript:month++; initCalendar();" class="navi month_right">&nbsp;</a>';
    str_head += '<a href="javascript:month--; initCalendar();" class="navi month_left">&nbsp;</a> ';
    str_head += '</form>';
    str_body += '<table><tr>\n';
    for (i = 0; i < 7; i++) {
				var style = '';
				if( i==0 ) style = ' first';
				else if( i==6 ) style = ' last'
        str_body += '<th class="dayname'+style+'">' + day_names[i] + '</th>';
    }
    str_body += "</tr>\n";

    var firstDay = new Date(year, month, 1).getDay();
    var lastDay = new Date(year, month + 1, 0).getDate();

    str_body += "<tr>";

    dayInWeek = 0;
    for (i = 0; i < firstDay; i++) {
        str_body += "<td>&nbsp;</td>";
        dayInWeek++;
    }
    for (i = 1; i <= lastDay; i++) {
        if (dayInWeek == 7) {
            str_body += "</tr>\n<tr>";
            dayInWeek = 0;
        }

        dispmonth = 1 + month;

        if (dateType == 'datetime' || dateType == 'date') {
            actVal = "" + formatNum4(year) + "-" + formatNum2(dispmonth, 'month') + "-" + formatNum2(i, 'day');
        } else {
            actVal = "" + formatNum4(year) + formatNum2(dispmonth, 'month') + formatNum2(i, 'day');
        }

        var newDate = new Date();
        //if (i == day) {
        if ( newDate.getMonth()==month && newDate.getDate()==i ) {
            style = ' selected';
            current_date = actVal;
        } else {
            style = '';
        }
				if( dayInWeek==0 ) style += ' first';
				else if( dayInWeek==6 ) style += ' last';
        //str_body += "<td" + style + "><a href=\"javascript:returnDate('" + actVal + "');\">" + i + "</a></td>"
				str_body += '<td class="day'+style+'">'+ i + '</td>'
        dayInWeek++;
    }
    for (i = dayInWeek; i < 7; i++) {
        str_body += "<td>&nbsp;</td>";
    }

    str_body += "</tr></table>\n";

    cnt_head.innerHTML = str_head;
		cnt_body.innerHTML = str_body;

}

/**
 * Returns date from calendar.
 *
 * @param   string     date text
 */
function returnDate(d) {
}

window.addEvent('domready', function(){
  if( document.getElementById('calendar_data') )
    initCalendar('date');
});