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- /* $Id: functions.js,v 1.11 2002/01/03 12:09:30 loic1 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
-
-