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/* vim: set expandtab sw=4 ts=4 sts=4: */
/**
* function used for index manipulation pages
*
* @version $Id$
*/
/**
* 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, message, 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(PMA_messages['strNotNumber']);
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(message.replace('%d', val));
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;
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