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package org.netbeans.modules.web.jsf.impl.facesmodel;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;
import javax.xml.namespace.QName;
import org.netbeans.modules.web.jsf.api.facesmodel.JSFConfigComponent;
import org.netbeans.modules.web.jsf.api.facesmodel.JSFConfigModel;
import org.netbeans.modules.xml.xam.dom.AbstractDocumentComponent;
import org.netbeans.modules.xml.xam.dom.Attribute;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
/**
*
* @author Petr Pisl
*/
public abstract class JSFConfigComponentImpl extends AbstractDocumentComponent <JSFConfigComponent>
implements JSFConfigComponent {
/** Creates a new instance of JSFConfigComponentImp */
public JSFConfigComponentImpl(JSFConfigModelImpl model, Element element) {
super(model, element);
}
public JSFConfigModelImpl getModel(){
return (JSFConfigModelImpl)super.getModel();
}
protected void populateChildren(List<JSFConfigComponent> children) {
NodeList nodeList = getPeer().getChildNodes();
if (nodeList != null){
for (int i = 0; i < nodeList.getLength(); i++) {
org.w3c.dom.Node node = nodeList.item(i);
if (node instanceof Element) {
JSFConfigModel model = getModel();
JSFConfigComponent comp = (JSFConfigComponent) model.getFactory().create((Element)node, this);
if (comp != null) {
children.add(comp);
}
}
}
}
}
/**
* Set the value of the text node from the child element with given QName.
* This method is use to implement mapping of "property" as component attribute.
* @param propertyName property change event name
* @param text the string to set value of the child element text node.
* @param qname QName of the child element to get text from.
*/
protected void setChildElementText(String propertyName, String text, QName qname) {
super.setChildElementText(propertyName, text, qname);
reorderChildren();
}
protected void appendChild(String propertyName, JSFConfigComponent child) {
super.appendChild(propertyName, child);
reorderChildren();
}
protected Object getAttributeValueOf(Attribute attr, String stringValue) {
return stringValue;
}
protected List<String> getSortedListOfLocalNames(){
return Collections.EMPTY_LIST;
}
protected void reorderChildren(){
NodeList nodes = getPeer().getChildNodes();
int length = nodes.getLength();
Node node;
int orderNumber;
int lastRealOrderNumber = -1;
SortingItem[] sortingItems = new SortingItem[length];
for(int i = length-1; i > -1; i--){
node = nodes.item(i);
orderNumber = getSortedListOfLocalNames().indexOf(node.getLocalName());
if (orderNumber == -1){
if (lastRealOrderNumber == -1){
orderNumber = getSortedListOfLocalNames().size()+1;
}
else {
orderNumber = lastRealOrderNumber;
}
}
else {
lastRealOrderNumber = orderNumber;
}
sortingItems[i]= new SortingItem(i, orderNumber);
}
Arrays.sort(sortingItems);
int[] newIndexes = new int[length];
for (int i = 0; i < length; i++){
newIndexes[sortingItems[i].getOriginalIndex()] = i;
}
getModel().getAccess().reorderChildren(getPeer(), newIndexes, this);
}
static public Element createElementNS(JSFConfigModel model,JSFConfigQNames jsfqname) {
return model.getDocument().createElementNS(model.getRootComponent().getPeer().getNamespaceURI(), jsfqname.getQualifiedName(model.getVersion()));
}
private class SortingItem implements Comparable<SortingItem>{
//index of the element, before sorting
int originalIndex;
//number, how it should be sorted
int orderNumber;
public SortingItem(int originalIndex, int orderNumber){
this.originalIndex = originalIndex;
this.orderNumber = orderNumber;
}
public int getOriginalIndex(){
return originalIndex;
}
public void setOriginalIndex(int originalIndex){
this.originalIndex = originalIndex;
}
public int getOrderNumber(){
return orderNumber;
}
public void setOrderNumber(int orderNumber){
this.orderNumber = orderNumber;
}
public int compareTo(SortingItem item) {
int result;
if (orderNumber == item.getOrderNumber()){
result = 0;
} else if (orderNumber < item.getOrderNumber()){
result = -1;
} else {
result = 1;
}
return result;
}
}
}
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