/*******************************************************************************
* Copyright (c) 2004, 2006 Sybase, Inc. and others.
*
* All rights reserved. This program and the accompanying materials
* are 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
*
* Contributors:
* Sybase, Inc. - initial API and implementation
*******************************************************************************/
package org.eclipse.jst.jsf.facesconfig.ui.pageflow.model.impl;
import java.util.Iterator;
import java.util.List;
import org.eclipse.core.runtime.Assert;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.EStructuralFeature;
import org.eclipse.jst.jsf.facesconfig.emf.DescriptionType;
import org.eclipse.jst.jsf.facesconfig.emf.DisplayNameType;
import org.eclipse.jst.jsf.facesconfig.emf.FacesConfigFactory;
import org.eclipse.jst.jsf.facesconfig.emf.FromViewIdType;
import org.eclipse.jst.jsf.facesconfig.emf.IconType;
import org.eclipse.jst.jsf.facesconfig.emf.LargeIconType;
import org.eclipse.jst.jsf.facesconfig.emf.NavigationCaseType;
import org.eclipse.jst.jsf.facesconfig.emf.NavigationRuleType;
import org.eclipse.jst.jsf.facesconfig.emf.SmallIconType;
import org.eclipse.jst.jsf.facesconfig.emf.ToViewIdType;
import org.eclipse.jst.jsf.facesconfig.ui.pageflow.model.PageflowElement;
import org.eclipse.jst.jsf.facesconfig.ui.pageflow.model.PageflowLink;
import org.eclipse.jst.jsf.facesconfig.ui.pageflow.model.PageflowPackage;
import org.eclipse.jst.jsf.facesconfig.ui.pageflow.model.PageflowPage;
import org.eclipse.jst.jsf.facesconfig.ui.pageflow.synchronization.FC2PFTransformer;
import org.eclipse.jst.jsf.facesconfig.ui.pageflow.synchronization.TransformUtil;
/**
* The reference element represents a mapping from pageflow page to one or more
* navigation rules/cases's view IDs (fromViewID or toViewID).
*
* @author hmeng
*/
public class PageReferenceElement extends ReferenceElement {
/**
* @param pageflowElement
*/
public PageReferenceElement(PageflowElement pageflowElement) {
super(pageflowElement);
}
/**
* @param pageflowElement
* @param facesConfigObject
*/
public PageReferenceElement(PageflowElement pageflowElement,
EObject facesConfigObject) {
super(pageflowElement, facesConfigObject);
}
public void add(EObject object) {
Assert.isTrue(object instanceof FromViewIdType
|| object instanceof ToViewIdType);
super.add(object);
}
public void update() {
outer: for (Iterator nodes = getData().iterator(); nodes.hasNext();) {
Object next = nodes.next();
if (next instanceof FromViewIdType) {
if (!TransformUtil.isValidFacesConfigElement((EObject) next)) {
nodes.remove();
continue;
}
List links = ((PageflowPage) pageflowElement).getOutlinks();
for (int i = 0; i < links.size(); i++) {
PageflowLink link = (PageflowLink) links.get(i);
if (!link.getFCElements().isEmpty()
&& TransformUtil
.isValidFacesConfigElement((NavigationCaseType) ((PageflowLink) links
.get(i)).getFCElements().getData()
.get(0))) {
NavigationRuleType rule = (NavigationRuleType) ((NavigationCaseType) ((PageflowLink) links
.get(i)).getFCElements().getData().get(0))
.eContainer();
if (rule == null || rule.getFromViewId() == next) {
// There navigation case
// matching this end.
continue outer;
}
}
}
// No case contains this end.
nodes.remove();
} else if (next instanceof ToViewIdType) {
if (!TransformUtil.isValidFacesConfigElement((EObject) next)) {
nodes.remove();
continue;
}
// Verify this is case end.
List links = ((PageflowPage) pageflowElement).getInlinks();
for (int i = 0; i < links.size(); i++) {
PageflowLink link = (PageflowLink) links.get(i);
if (!link.getFCElements().isEmpty()
&& TransformUtil
.isValidFacesConfigElement((NavigationCaseType) link
.getFCElements().getData().get(0))) {
if (((NavigationCaseType) ((PageflowLink) links.get(i))
.getFCElements().getData().get(0))
.getToViewId() == next) {
// There navigation case
// matching this end.
continue outer;
}
}
}
// No case contains this end.
nodes.remove();
}
}
}
public Object get(int eFeature) {
Object result = null;
switch (eFeature) {
case PageflowPackage.PF_PAGE__COMMENT:
if (!isEmpty()) {
for (int i = 0, n = getData().size(); i < n; i++) {
NavigationRuleType rule = null;
if ((rule = resolveRuleFromFCElement(getData().get(i))) != null) {
List descriptions = rule.getDescription();
if (descriptions.size() > 0) {
result = ((DescriptionType) descriptions.get(0))
.getTextContent();
break;
}
}
}
}
break;
case PageflowPackage.PF_PAGE__LARGEICON:
if (!isEmpty()) {
for (int i = 0, n = getData().size(); i < n; i++) {
NavigationRuleType rule = null;
if ((rule = resolveRuleFromFCElement(getData().get(i))) != null) {
List icons = rule.getIcon();
if (icons.size() > 0) {
result = ((IconType) icons.get(0)).getLargeIcon() != null ? ((IconType) icons
.get(0)).getLargeIcon().getTextContent()
: null;
break;
}
}
}
}
break;
case PageflowPackage.PF_PAGE__NAME:
// To see if it is in navigation rule.
if (!isEmpty() && !isEndOnly()) {
for (int i = 0, n = getData().size(); i < n; i++) {
NavigationRuleType rule = null;
if ((rule = resolveRuleFromFCElement(getData().get(i))) != null) {
List displaynames = rule.getDisplayName();
if (displaynames.size() > 0) {
result = ((DisplayNameType) displaynames.get(0))
.getTextContent();
break;
}
}
}
}
break;
case PageflowPackage.PF_PAGE__PATH:
if (!isEmpty()) {
for (int i = 0, n = getData().size(); i < n; i++) {
if (getData().get(i) instanceof FromViewIdType) {
result = ((FromViewIdType) getData().get(i))
.getTextContent();
break;
}
}
if (result == null && getData().get(0) instanceof ToViewIdType) {
result = ((ToViewIdType) getData().get(0)).getTextContent();
}
}
break;
case PageflowPackage.PF_PAGE__SMALLICON:
if (!isEmpty()) {
for (int i = 0, n = getData().size(); i < n; i++) {
NavigationRuleType rule = null;
if ((rule = resolveRuleFromFCElement(getData().get(i))) != null) {
List icons = rule.getIcon();
if (icons.size() > 0) {
result = ((IconType) icons.get(0)).getSmallIcon() != null ? ((IconType) icons
.get(0)).getSmallIcon().getTextContent()
: null;
break;
}
}
}
}
break;
}
return result;
}
private NavigationRuleType resolveRuleFromFCElement(Object object) {
if (object instanceof FromViewIdType) {
return (NavigationRuleType) ((FromViewIdType) object).eContainer();
}
return null;
}
private NavigationRuleType resolveRuleFromPFElement(Object object) {
if (object instanceof PageflowLink) {
NavigationCaseType caseType = (NavigationCaseType) ((PageflowLink) object)
.getFCElements().getData().get(0);
return (NavigationRuleType) caseType.eContainer();
}
return null;
}
public void set(EStructuralFeature eFeature, Object newVal) {
switch (eFeature.getFeatureID()) {
case PageflowPackage.PF_PAGE__COMMENT: {
DescriptionType description = null;
String newValue = (String) newVal;
if (!isEmpty()) {
for (int i = 0, n = getData().size(); i < n; i++) {
NavigationRuleType rule = null;
if ((rule = resolveRuleFromFCElement(getData().get(i))) != null) {
rule.getDescription().clear();
description = FacesConfigFactory.eINSTANCE
.createDescriptionType();
description.setTextContent(newValue);
rule.getDescription().add(description);
}
}
}
break;
}
case PageflowPackage.PF_PAGE__LARGEICON: {
LargeIconType oldLargeIcon = null;
LargeIconType newLargeIconType = null;
IconType icon = null;
String newValue = (String) newVal;
if (!isEmpty()) {
for (int i = 0, n = getData().size(); i < n; i++) {
NavigationRuleType rule = null;
if ((rule = resolveRuleFromFCElement(getData().get(i))) != null) {
List icons = rule.getIcon();
if (newValue == null || newValue.length() == 0) {
if (icons.size() > 0) {
if (((IconType) icons.get(0)).getLargeIcon() != null) {
((IconType) icons.get(0))
.setLargeIcon(null);
}
}
} else {
if (icons.size() == 0) {
icon = FacesConfigFactory.eINSTANCE
.createIconType();
newLargeIconType = FacesConfigFactory.eINSTANCE
.createLargeIconType();
newLargeIconType.setTextContent(newValue);
icon.setLargeIcon(newLargeIconType);
icons.add(icon);
} else if (((IconType) icons.get(0)).getLargeIcon() == null) {
newLargeIconType = FacesConfigFactory.eINSTANCE
.createLargeIconType();
newLargeIconType.setTextContent(newValue);
icon = ((IconType) icons.get(0));
icon.setLargeIcon(newLargeIconType);
} else {
oldLargeIcon = ((IconType) icons.get(0))
.getLargeIcon();
oldLargeIcon.setTextContent(newValue);
}
}
}
}
}
break;
}
case PageflowPackage.PF_PAGE__NAME:
DisplayNameType newDisplayNameType = null;
String newName = (String) newVal;
if (!isEmpty()) {
for (int i = 0, n = getData().size(); i < n; i++) {
NavigationRuleType rule = null;
if ((rule = resolveRuleFromFCElement(getData().get(i))) != null) {
rule.getDisplayName().clear();
if (newName != null && newName.length() > 0) {
newDisplayNameType = FacesConfigFactory.eINSTANCE
.createDisplayNameType();
newDisplayNameType.setTextContent(newName);
rule.getDisplayName().add(newDisplayNameType);
}
}
}
}
break;
case PageflowPackage.PF_PAGE__PATH: {
Object oldPath = null;
Object newPath = null;
String newValue = (String) newVal;
if (!isEmpty()) {
for (int i = 0, n = getData().size(); i < n; i++) {
if (getData().get(i) instanceof FromViewIdType) {
oldPath = getData().get(i);
((FromViewIdType) oldPath).setTextContent(newValue);
} else if (getData().get(i) instanceof ToViewIdType) {
oldPath = getData().get(i);
((ToViewIdType) oldPath).setTextContent(newValue);
}
}
}
// Create new fromViewID or toViewID node as needed.
else if (newValue != null && !"*".equals(newValue)) { //$NON-NLS-1$
if (((PageflowPage) pageflowElement).getOutlinks().size() > 0) {
List links = ((PageflowPage) pageflowElement).getOutlinks();
for (int i = 0, n = links.size(); i < n; i++) {
PageflowLink link = (PageflowLink) links.get(i);
NavigationRuleType rule = resolveRuleFromPFElement(link);
newPath = FC2PFTransformer.createRLFromViewID(newValue);
rule.setFromViewId((FromViewIdType) newPath);
add((EObject) newPath);
}
links = ((PageflowPage) pageflowElement).getInlinks();
for (int i = 0, n = links.size(); i < n; i++) {
PageflowLink link = (PageflowLink) links.get(i);
NavigationCaseType caseType = (NavigationCaseType) link
.getFCElements().getData().get(0);
newPath = FC2PFTransformer.createFCToViewID(newValue);
caseType.setToViewId((ToViewIdType) newPath);
add((EObject) newPath);
}
}
}
break;
}
case PageflowPackage.PF_PAGE__SMALLICON: {
SmallIconType oldSmallicon = null;
SmallIconType newSmallIconType = null;
IconType icon = null;
String newValue = (String) newVal;
if (!isEmpty()) {
for (int i = 0, n = getData().size(); i < n; i++) {
NavigationRuleType rule = null;
if ((rule = resolveRuleFromFCElement(getData().get(i))) != null) {
List icons = rule.getIcon();
if (newValue == null || newValue.length() == 0) {
if (icons.size() > 0) {
if (((IconType) icons.get(0)).getSmallIcon() != null) {
((IconType) icons.get(0))
.setSmallIcon(null);
}
}
} else {
if (icons.size() == 0) {
icon = FacesConfigFactory.eINSTANCE
.createIconType();
newSmallIconType = FacesConfigFactory.eINSTANCE
.createSmallIconType();
newSmallIconType.setTextContent(newValue);
icon.setSmallIcon(newSmallIconType);
icons.add(icon);
} else if (((IconType) icons.get(0)).getSmallIcon() == null) {
newSmallIconType = FacesConfigFactory.eINSTANCE
.createSmallIconType();
newSmallIconType.setTextContent(newValue);
icon = ((IconType) icons.get(0));
icon.setSmallIcon(newSmallIconType);
} else {
oldSmallicon = ((IconType) icons.get(0))
.getSmallIcon();
oldSmallicon.setTextContent(newValue);
}
}
}
}
}
break;
}
}
}
/**
* @return true if none of the data are from view id's
*/
public boolean isEndOnly() {
for (int i = 0, n = getData().size(); i < n; i++) {
if (getData().get(i) instanceof FromViewIdType) {
return false;
}
}
return true;
}
}