/*******************************************************************************
* Copyright (c) 2007-2008 Red Hat, Inc.
* Distributed under license by Red Hat, Inc. All rights reserved.
* This program is made available under the terms of the
* Eclipse Public License v1.0 which accompanies this distribution,
* and is available at http://www.eclipse.org/legal/epl-v10.html
*
* Contributor:
* Red Hat, Inc. - initial API and implementation
******************************************************************************/
package org.jboss.tools.jsf.vpe.jsf.template;
import java.util.HashSet;
import java.util.Set;
import org.jboss.tools.vpe.editor.context.VpePageContext;
import org.jboss.tools.vpe.editor.template.VpeChildrenInfo;
import org.jboss.tools.vpe.editor.template.VpeCreationData;
import org.jboss.tools.vpe.editor.template.VpeTemplateManager;
import org.jboss.tools.vpe.editor.util.HTML;
import org.jboss.tools.vpe.editor.util.VisualDomUtil;
import org.mozilla.interfaces.nsIDOMDocument;
import org.mozilla.interfaces.nsIDOMElement;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
/**
* Abstract template for h:link and h:commandLink
*
* @author Dzmitry Sakovich (dsakovich@exadel.com)
*
*/
public abstract class AbstarctLinkJsfTemplate extends AbstractOutputJsfTemplate {
private static final String OUTSIDE_FORM_TEXT = ": This link is disabled as it is not nested within a JSF form."; //$NON-NLS-1$
private static Set<String> forms = new HashSet<String>();
static {
forms.add("h:form"); //$NON-NLS-1$
forms.add("a4j:form"); //$NON-NLS-1$
}
public VpeCreationData create(VpePageContext pageContext, Node sourceNode,
nsIDOMDocument visualDocument) {
Element element = (Element) sourceNode;
nsIDOMElement parentElement;
boolean disabled = ComponentUtil.string2boolean(ComponentUtil
.getAttribute(element, HTML.ATTR_DISABLED));
String value = ComponentUtil.getAttribute(element, HTML.ATTR_VALUE);
boolean hasParentForm = hasParentForm(pageContext, element);
if (!hasParentForm) {
parentElement = VisualDomUtil.createBorderlessContainer(visualDocument);
} else if (disabled) {
parentElement = VisualDomUtil.createBorderlessContainer(visualDocument);
} else {
parentElement = visualDocument.createElement(HTML.TAG_A);
}
// copy attributes
copyOutputJsfAttributes(parentElement, element);
VpeCreationData creationData;
if (!hasParentForm) {
nsIDOMElement topSpan = VisualDomUtil.createBorderlessContainer(visualDocument);
nsIDOMElement noteSpan = VisualDomUtil.createBorderlessContainer(visualDocument);
noteSpan.appendChild(visualDocument.createTextNode(OUTSIDE_FORM_TEXT));
topSpan.appendChild(parentElement);
topSpan.appendChild(noteSpan);
creationData = new VpeCreationData(topSpan);
} else {
creationData = new VpeCreationData(parentElement);
}
VpeChildrenInfo linkInfo = new VpeChildrenInfo(parentElement);
creationData.addChildrenInfo(linkInfo);
for (Node child : ComponentUtil.getChildren(element)) {
linkInfo.addSourceChild(child);
}
if (ComponentUtil.isNotBlank(value)) {
parentElement.appendChild(visualDocument.createTextNode(value));
}
return creationData;
}
/**
* Check if the link has <code>form</code> parent
*
* @param pageContext
* @param sourceElement
* @return true if <code>form</code> was found
*/
protected boolean hasParentForm(VpePageContext pageContext, Element sourceElement) {
Node parent = sourceElement.getParentNode();
while (parent != null && parent instanceof Element
&& parent.getNodeName() != null) {
String parentTemplateName = VpeTemplateManager.getInstance()
.getTemplateName(pageContext, parent);
if (forms.contains(parentTemplateName)) {
return true;
}
parent = parent.getParentNode();
}
return false;
}
@Override
public boolean recreateAtAttrChange(VpePageContext pageContext,
Element sourceElement, nsIDOMDocument visualDocument,
nsIDOMElement visualNode, Object data, String name, String value) {
return true;
}
}