/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.google.code.jqwicket.ui.validationengine;
import com.google.code.jqwicket.JQContributionConfig;
import com.google.code.jqwicket.JQHeaderContributionTarget;
import com.google.code.jqwicket.Utils;
import com.google.code.jqwicket.api.JQuery;
import com.google.code.jqwicket.ui.JQComponentBehavior;
import org.apache.wicket.Component;
import org.apache.wicket.behavior.Behavior;
import org.apache.wicket.markup.head.IHeaderResponse;
import org.apache.wicket.markup.head.JavaScriptHeaderItem;
import org.apache.wicket.markup.html.form.Form;
import java.util.Collection;
import java.util.UUID;
/**
* @author mkalina
*/
public class ValidationEngineFormBehavior extends
JQComponentBehavior<ValidationEngineOptions> implements
IValidationEngine {
private static final long serialVersionUID = 1L;
public ValidationEngineFormBehavior() {
this(new ValidationEngineOptions());
}
public ValidationEngineFormBehavior(ValidationEngineOptions options) {
super(options);
}
/**
* {@inheritDoc}
*
* @see com.google.code.jqwicket.IJQUIWidget#getName()
*/
public CharSequence getName() {
return JQ_COMPONENT_NAME;
}
/**
* {@inheritDoc}
*
* @see com.google.code.jqwicket.JQBehavior#bind(org.apache.wicket.Component)
*/
@Override
public void bind(Component component) {
super.bind(component);
if (!options.hasValidationRules())
return;
Collection<AjaxValidationRule> ajaxRules = this.options
.getAjaxValidationRules();
if (Utils.isNotEmpty(ajaxRules)) {
for (AjaxValidationRule r : ajaxRules) {
component.add(r.getAjaxBehavior());
}
}
Collection<FuncValidationRule> funcRules = this.options
.getFuncValidationRules();
if (Utils.isNotEmpty(funcRules)) {
for (final FuncValidationRule r : funcRules) {
component.add(new Behavior() {
private static final long serialVersionUID = 1L;
@Override
public void renderHead(Component component, IHeaderResponse response) {
response.render(JavaScriptHeaderItem.forScript(r.getFuncDef(), UUID.randomUUID().toString()));
}
});
}
}
}
/**
* {@inheritDoc}
*
* @see com.google.code.jqwicket.ui.JQComponentBehavior#contributeInternal(com.google.code.jqwicket.JQHeaderContributionTarget)
*/
@Override
protected void contributeInternal(JQHeaderContributionTarget target) {
if (!Form.class.isAssignableFrom(this.component.getClass()))
throw new IllegalStateException(
"ValidationEngineFormBehavior can only be added to the Form or its subclasses!");
JQContributionConfig config = JQContributionConfig.get();
CharSequence prefix = Utils.isNotBlank(config.getNonConflictAlias()) ? config
.getNonConflictAlias() : "$";
final StringBuffer buf = new StringBuffer();
if (options.hasValidationRules()) {
if (options.isValidationRulesResourceSpecified()) {
buf.append(prefix).append(".extend(").append(prefix)
.append(".validationEngineLanguage.allRules, ");
buf.append("{")
.append(Utils.join(options.getValidationRulesAsArray(),
",\n")).append("}");
buf.append(");\n");
} else {
buf.append(prefix).append(
".fn.validationEngineLanguage = function() {};\n");
buf.append(prefix).append(".validationEngineLanguage = {\n");
buf.append("newLang: function() {\n");
buf.append(prefix).append(
".validationEngineLanguage.allRules = {");
buf.append(Utils.join(options.getValidationRulesAsArray(),
",\n"));
buf.append("};\n");
buf.append("}\n");
buf.append("};\n");
buf.append(prefix).append(
".validationEngineLanguage.newLang();\n");
}
}
if (buf.length() > 0)
target.addJQStatements(JQuery.js(buf));
super.contributeInternal(target);
}
}