/**
* Initializes this tool.
*
* @param obj the current ViewContext
* @throws IllegalArgumentException if the param is not a ViewContext
*/
public void init(Object obj) {
if (!(obj instanceof ViewContext)) {
throw new IllegalArgumentException("Tool can only be initialized with a ViewContext");
}
this.context = (ViewContext) obj;
this.request = context.getRequest();
this.session = request.getSession(false);
this.app = context.getServletContext();
Boolean b = (Boolean) context.getAttribute(ViewContext.XHTML);
if (b != null) {
this.xhtml = b.booleanValue();
}
/* Is there a mapping associated with this request? */
ActionConfig config = (ActionConfig) request.getAttribute(Globals.MAPPING_KEY);
if (config != null) {
/* Is there a form bean associated with this mapping? */
this.formName = config.getAttribute();
}
ModuleConfig mconfig = ModuleUtils.getInstance().getModuleConfig(request, app);
this.resources =
(ValidatorResources) app.getAttribute(ValidatorPlugIn.VALIDATOR_KEY + mconfig.getPrefix());
}
/**
* Generates the dynamic JavaScript for the form.
*
* @param resources the validator resources
* @param locale the locale for the current request
* @param form the form to generate javascript for
* @return the dynamic javascript
*/
protected String getDynamicJavascript(ValidatorResources resources, Locale locale, Form form) {
StringBuffer results = new StringBuffer();
MessageResources messages = StrutsUtils.getMessageResources(request, app);
List actions = createActionList(resources, form);
final String methods = createMethods(actions);
String formName = form.getName();
jsFormName = formName;
if (jsFormName.charAt(0) == '/') {
String mappingName = StrutsUtils.getActionMappingName(jsFormName);
ModuleConfig mconfig = ModuleUtils.getInstance().getModuleConfig(request, app);
ActionConfig mapping = (ActionConfig) mconfig.findActionConfig(mappingName);
if (mapping == null) {
throw new NullPointerException("Cannot retrieve mapping for action " + mappingName);
}
jsFormName = mapping.getAttribute();
}
results.append(getJavascriptBegin(methods));
for (Iterator i = actions.iterator(); i.hasNext(); ) {
ValidatorAction va = (ValidatorAction) i.next();
int jscriptVar = 0;
String functionName = null;
if (va.getJsFunctionName() != null && va.getJsFunctionName().length() > 0) {
functionName = va.getJsFunctionName();
} else {
functionName = va.getName();
}
results.append(" function ");
results.append(jsFormName);
results.append("_");
results.append(functionName);
results.append(" () { \n");
for (Iterator x = form.getFields().iterator(); x.hasNext(); ) {
Field field = (Field) x.next();
// Skip indexed fields for now until there is
// a good way to handle error messages (and the length
// of the list (could retrieve from scope?))
if (field.isIndexed() || field.getPage() != page || !field.isDependency(va.getName())) {
continue;
}
String message = Resources.getMessage(messages, locale, va, field);
message = (message != null) ? message : "";
// jscriptVar = this.getNextVar(jscriptVar);
results.append(" this.a");
results.append(jscriptVar++);
results.append(" = new Array(\"");
results.append(field.getKey()); // TODO: escape?
results.append("\", \"");
results.append(escapeJavascript(message));
results.append("\", ");
results.append("new Function (\"varName\", \"");
Map vars = field.getVars();
// Loop through the field's variables.
Iterator varsIterator = vars.keySet().iterator();
while (varsIterator.hasNext()) {
String varName = (String) varsIterator.next(); // TODO: escape?
Var var = (Var) vars.get(varName);
String varValue = var.getValue();
String jsType = var.getJsType();
// skip requiredif variables field, fieldIndexed, fieldTest, fieldValue
if (varName.startsWith("field")) {
continue;
}
// these are appended no matter what jsType is
results.append("this.");
results.append(varName);
String escapedVarValue = escapeJavascript(varValue);
if (Var.JSTYPE_INT.equalsIgnoreCase(jsType)) {
results.append("=");
results.append(escapedVarValue);
results.append("; ");
} else if (Var.JSTYPE_REGEXP.equalsIgnoreCase(jsType)) {
results.append("=/");
results.append(escapedVarValue);
results.append("/; ");
} else if (Var.JSTYPE_STRING.equalsIgnoreCase(jsType)) {
results.append("='");
results.append(escapedVarValue);
results.append("'; ");
}
// So everyone using the latest format
// doesn't need to change their xml files immediately.
else if ("mask".equalsIgnoreCase(varName)) {
results.append("=/");
results.append(escapedVarValue);
results.append("/; ");
} else {
results.append("='");
results.append(escapedVarValue);
results.append("'; ");
}
}
results.append(" return this[varName];\"));\n");
}
results.append(" } \n\n");
}
return results.toString();
}