[validator] Javascript jcv_handleErrors function fails in IE when field's
ancestor is not visible
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Key: VALIDATOR-259
URL: https://issues.apache.org/jira/browse/VALIDATOR-259
Project: Commons Validator
Issue Type: Bug
Components: JavaScript
Affects Versions: 1.3.1 Release
Environment: Win XP, Sun JVM 1.4.2_x
Tomcat 4.1.x, Struts 1.3.8
Reporter: Vasily Ivanov
If field is in hidden div (for example) than Javascript validation fails in IE
with the following error:
"Error: Can't move focus to the control because it is invisible, not enabled,
or of a type that does not accept focus."
jcv_handleErrors(messages, focusField) needs to be modified to traverse all
parent nodes and check their visibility:
function jcv_handleErrors(messages, focusField) {
if (jcv_canFocus(focusField)) {
focusField.focus();
}
alert(messages.join('\n'));
}
function jcv_canFocus(field) {
var result = true;
if (field && field != null && typeof(field) != 'undefined') {
if (field.disabled || field.type == 'hidden') {
result = false;
}
if (result &&
field.style &&
field.style.visibility &&
field.style.visibility == 'hidden') {
result = false;
}
if (result) {
var parent = field.parentNode;
if (parent && parent != null && typeof(parent) != 'undefined' &&
parent.nodeType == 1) {
result = jcv_canFocus(parent);
}
}
} else {
result = false;
}
return result;
}
WORKAROUND:
1. Copy validateUtilities.js file from
commons-validator-1.3.1.jar!\org\apache\commons\validator\javascript\validateUtilities.js
into classpath under your control and apply patch above.
2. Modify validator-rules.xml:
<validator name="includeJavaScriptUtilities" classname="" method=""
methodParams="" depends="" msg=""
jsFunction="com.company.path.to.jsfile.validateUtilities" />
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