home *** CD-ROM | disk | FTP | other *** search
- /* $Id: indexes.js,v 1.2 2001/11/24 16:59:53 loic1 Exp $ */
-
-
- /**
- * 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 indexes names are valid according to their type and, for a primary
- * key, lock index name to 'PRIMARY'
- *
- * @return boolean false if there is no index form, true else
- */
- function checkIndexName()
- {
- if (typeof(document.forms['index_frm']) == 'undefined') {
- return false;
- }
-
- // Gets the elements pointers
- var the_idx_name = document.forms['index_frm'].elements['index'];
- var the_idx_type = document.forms['index_frm'].elements['index_type'];
-
- // Index is a primary key
- if (the_idx_type.options[0].value == 'PRIMARY' && the_idx_type.options[0].selected) {
- document.forms['index_frm'].elements['index'].value = 'PRIMARY';
- if (typeof(the_idx_name.disabled) != 'undefined') {
- document.forms['index_frm'].elements['index'].disabled = true;
- }
- }
-
- // Other cases
- else {
- if (the_idx_name.value == 'PRIMARY') {
- document.forms['index_frm'].elements['index'].value = '';
- }
- if (typeof(the_idx_name.disabled) != 'undefined') {
- document.forms['index_frm'].elements['index'].disabled = false;
- }
- }
-
- return true;
- } // end of the 'checkIndexName()' function
-
-
- onload = checkIndexName;
-