/* $Id: functions.js,v 1.1 2003/07/02 14:47:06 fullo Exp $ */
/**
* Displays an confirmation box beforme to submit a "DROP/DELETE/ALTER" query.
* This function is called while clicking links
*
* @param object the link
* @param object the sql query to submit
*
* @return boolean whether to run the query or not
*/
function confirmLink(theLink, theSqlQuery)
{
// Confirmation is not required in the configuration file
if (confirmMsg == '') {
return true;
}
var is_confirmed = confirm(confirmMsg + ' :\n' + theSqlQuery);
if (is_confirmed) {
theLink.href += '&is_js_confirmed=1';
}
return is_confirmed;
} // end of the 'confirmLink()' function
/**
* Displays an error message if a "DROP DATABASE" statement is submitted
* while it isn't allowed, else confirms a "DROP/DELETE/ALTER" query before
* sumitting it if required.
* This function is called by the 'checkSqlQuery()' js function.
*
* @param object the form
* @param object the sql query textarea
*
* @return boolean whether to run the query or not
*
* @see checkSqlQuery()
*/
function confirmQuery(theForm1, sqlQuery1)
{
// Confirmation is not required in the configuration file
if (confirmMsg == '') {
return true;
}
// The replace function (js1.2) isn't supported
else if (typeof(sqlQuery1.value.replace) == 'undefined') {
return true;
}
// js1.2+ -> validation with regular expressions
else {
// "DROP DATABASE" statement isn't allowed
if (noDropDbMsg) {
var drop_re = new RegExp('DROP\\s+(IF EXISTS\\s+)?DATABASE', 'i');
if (drop_re.test(sqlQuery1.value)) {
alert(noDropDbMsg);
theForm1.reset();
sqlQuery1.focus();
return false;
} // end if
} // end if
// Confirms a "DROP/DELETE/ALTER" statement
var do_confirm_re_0 = new RegExp('DROP\\s+(IF EXISTS\\s+)?(TABLE|DATABASE)', 'i');
var do_confirm_re_1 = new RegExp('ALTER TABLE\\s+((`[^`]+`)|([A-Za-z0-9_$]+))\\s+DROP', 'i');
var do_confirm_re_2 = new RegExp('DELETE FROM', 'i');
if (do_confirm_re_0.test(sqlQuery1.value)
|| do_confirm_re_1.test(sqlQuery1.value)
|| do_confirm_re_2.test(sqlQuery1.value)) {
var message = (sqlQuery1.value.length > 100)
? sqlQuery1.value.substr(0, 100) + '\n ...'
: sqlQuery1.value;
var is_confirmed = confirm(confirmMsg + ' :\n' + message);
// drop/delete/alter statement is confirmed -> update the
// "is_js_confirmed" form field so the confirm test won't be
// run on the server side and allows to submit the form
if (is_confirmed) {
theForm1.elements['is_js_confirmed'].value = 1;
return true;
}
// "DROP/DELETE/ALTER" statement is rejected -> do not submit
// the form
else {
window.focus();
sqlQuery1.focus();
return false;
} // end if (handle confirm box result)
} // end if (display confirm box)
} // end confirmation stuff
return true;
} // end of the 'confirmQuery()' function
/**
* Displays an error message if the user submitted the sql query form with no
* sql query, else checks for "DROP/DELETE/ALTER" statements
*
* @param object the form
*
* @return boolean always false
*
* @see confirmQuery()
*/
function checkSqlQuery(theForm)
{
var sqlQuery = theForm.elements['sql_query'];
// The replace function (js1.2) isn't supported -> basic tests
if (typeof(sqlQuery.value.replace) == 'undefined') {
var isEmpty = (sqlQuery.value == '') ? 1 : 0;
if (isEmpty && typeof(theForm.elements['sql_file']) != 'undefined') {
isEmpty = (theForm.elements['sql_file'].value == '') ? 1 : 0;
}
if (isEmpty && typeof(theForm.elements['id_bookmark']) != 'undefined') {
isEmpty = (theForm.elements['id_bookmark'].value == null || theForm.elements['id_bookmark'].value == '');
}
}
// js1.2+ -> validation with regular expressions
else {
var space_re = new RegExp('\\s+');
var isEmpty = (sqlQuery.value.replace(space_re, '') == '') ? 1 : 0;
// Checks for "DROP/DELETE/ALTER" statements
if (!isEmpty && !confirmQuery(theForm, sqlQuery)) {
return false;
}
if (isEmpty && typeof(theForm.elements['sql_file']) != 'undefined') {
isEmpty = (theForm.elements['sql_file'].value.replace(space_re, '') == '') ? 1 : 0;
}
if (isEmpty && typeof(theForm.elements['id_bookmark']) != 'undefined') {
isEmpty = (theForm.elements['id_bookmark'].value == null || theForm.elements['id_bookmark'].value == '');
isEmpty = (theForm.elements['id_bookmark'].selectedIndex == 0);
}
if (isEmpty) {
theForm.reset();
}
}
if (isEmpty) {
sqlQuery.select();
alert(errorMsg0);
sqlQuery.focus();
return false;
}
return true;
} // end of the 'checkSqlQuery()' function
/**
* Displays an error message if an element of a form hasn't been completed and
* should be
*
* @param object the form
* @param string the name of the form field to put the focus on
*
* @return boolean whether the form field is empty or not
*/
function emptyFormElements(theForm, theFieldName)
{
var theField = theForm.elements[theFieldName];
// Whether the replace function (js1.2) is supported or not
var isRegExp = (typeof(theField.value.replace) != 'undefined');
if (!isRegExp) {
var isEmpty = (theField.value == '') ? 1 : 0;
} else {
var space_re = new RegExp('\\s+');
var isEmpty = (theField.value.replace(space_re, '') == '') ? 1 : 0;
}
if (isEmpty) {
theForm.reset();
theField.select();
alert(errorMsg0);
theField.focus();
return false;
}
return true;
} // end of the 'emptyFormElements()' function
/**
* Ensures a value submitted in a form is numeric and is in a range
*
* @param object the form
* @param string the name of the form field to check
* @param integer the minimum authorized value
* @param integer the maximum authorized value
*
* @return boolean whether a valid number has been submitted or not
*/
function checkFormElementInRange(theForm, theFieldName, min, max)
{
var theField = theForm.elements[theFieldName];
var val = parseInt(theField.value);
if (typeof(min) == 'undefined') {
min = 0;
}
if (typeof(max) == 'undefined') {
max = Number.MAX_VALUE;
}
// It's not a number
if (isNaN(val)) {
theField.select();
alert(errorMsg1);
theField.focus();
return false;
}
// It's a number but it is not between min and max
else if (val < min || val > max) {
theField.select();
alert(val + errorMsg2);
theField.focus();
return false;
}
// It's a valid number
else {
theField.value = val;
}
return true;
} // end of the 'checkFormElementInRange()' function
/**
* Ensures the choice between 'transmit', 'zipped', 'gzipped' and 'bzipped'
* checkboxes is consistant
*
* @param object the form
* @param string a code for the action that causes this function to be run
*
* @return boolean always true
*/
function checkTransmitDump(theForm, theAction)
{
var formElts = theForm.elements;
// 'zipped' option has been checked
if (theAction == 'zip' && formElts['zip'].checked) {
if (!formElts['asfile'].checked) {
theForm.elements['asfile'].checked = true;
}
if (typeof(formElts['gzip']) != 'undefined' && formElts['gzip'].checked) {
theForm.elements['gzip'].checked = false;
}
if (typeof(formElts['bzip']) != 'undefined' && formElts['bzip'].checked) {
theForm.elements['bzip'].checked = false;
}
}
// 'gzipped' option has been checked
else if (theAction == 'gzip' && formElts['gzip'].checked) {
if (!formElts['asfile'].checked) {
theForm.elements['asfile'].checked = true;
}
if (typeof(formElts['zip']) != 'undefined' && formElts['zip'].checked) {
theForm.elements['zip'].checked = false;
}
if (typeof(formElts['bzip']) != 'undefined' && formElts['bzip'].checked) {
theForm.elements['bzip'].checked = false;
}
}
// 'bzipped' option has been checked
else if (theAction == 'bzip' && formElts['bzip'].checked) {
if (!formElts['asfile'].checked) {
theForm.elements['asfile'].checked = true;
}
if (typeof(formElts['zip']) != 'undefined' && formElts['zip'].checked) {
theForm.elements['zip'].checked = false;
}
if (typeof(formElts['gzip']) != 'undefined' && formElts['gzip'].checked) {
theForm.elements['gzip'].checked = false;
}
}
// 'transmit' option has been unchecked
else if (theAction == 'transmit' && !formElts['asfile'].checked) {
if (typeof(formElts['zip']) != 'undefined' && formElts['zip'].checked) {
theForm.elements['zip'].checked = false;
}
if ((typeof(formElts['gzip']) != 'undefined' && formElts['gzip'].checked)) {
theForm.elements['gzip'].checked = false;
}
if ((typeof(formElts['bzip']) != 'undefined' && formElts['bzip'].checked)) {
theForm.elements['bzip'].checked = false;
}
}
return true;
} // end of the 'checkTransmitDump()' function
/**
* Sets/unsets the pointer in browse mode
*
* @param object the table row
* @param object the color to use for this row
*
* @return boolean whether pointer is set or not
*/
function setPointer(theRow, thePointerColor)
{
if (thePointerColor == '' || typeof(theRow.style) == 'undefined') {
return false;
}
if (typeof(document.getElementsByTagName) != 'undefined') {
var theCells = theRow.getElementsByTagName('td');
}
else if (typeof(theRow.cells) != 'undefined') {
var theCells = theRow.cells;
}
else {
return false;
}
var rowCellsCnt = theCells.length;
for (var c = 0; c < rowCellsCnt; c++) {
theCells[c].style.backgroundColor = thePointerColor;
}
return true;
} // end of the 'setPointer()' function
/**
* Checks/unchecks all tables
*
* @param string the form name
* @param boolean whether to check or to uncheck the element
*
* @return boolean always true
*/
function setCheckboxes(the_form, do_check)
{
var elts = document.forms[the_form].elements['selected_tbl[]'];
var elts_cnt = elts.length;
for (var i = 0; i < elts_cnt; i++) {
elts[i].checked = do_check;
} // end for
return true;
} // end of the 'setCheckboxes()' function
