0,0 → 1,87 |
/* $Id: indexes.js,v 1.1 2005/11/23 19:10:30 nijel Exp $ */ |
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/** |
* 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); |
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if (typeof(min) == 'undefined') { |
min = 0; |
} |
if (typeof(max) == 'undefined') { |
max = Number.MAX_VALUE; |
} |
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// 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(message.replace('%d', val)); |
theField.focus(); |
return false; |
} |
// It's a valid number |
else { |
theField.value = val; |
} |
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return true; |
} // end of the 'checkFormElementInRange()' function |
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/** |
* 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; |
} |
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// 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']; |
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// 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; |
} |
} |
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// 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; |
} |
} |
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return true; |
} // end of the 'checkIndexName()' function |
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onload = checkIndexName; |