/**
* @see IRegion
*/
-
+
public class Region implements IRegion {
/**
- * A collection of the top level elements
- * that have been added to the region
+ * A collection of the top level elements that have been added to the region
*/
protected ArrayList fRootElements;
-/**
- * Creates an empty region.
- *
- * @see IRegion
- */
-public Region() {
- fRootElements = new ArrayList(1);
-}
-/**
- * @see IRegion#add(IJavaElement)
- */
-public void add(IJavaElement element) {
- if (!contains(element)) {
- //"new" element added to region
- removeAllChildren(element);
- fRootElements.add(element);
- fRootElements.trimToSize();
+
+ /**
+ * Creates an empty region.
+ *
+ * @see IRegion
+ */
+ public Region() {
+ fRootElements = new ArrayList(1);
}
-}
-/**
- * @see IRegion
- */
-public boolean contains(IJavaElement element) {
-
- int size = fRootElements.size();
- ArrayList parents = getAncestors(element);
-
- for (int i = 0; i < size; i++) {
- IJavaElement aTop = (IJavaElement) fRootElements.get(i);
- if (aTop.equals(element)) {
- return true;
+
+ /**
+ * @see IRegion#add(IJavaElement)
+ */
+ public void add(IJavaElement element) {
+ if (!contains(element)) {
+ // "new" element added to region
+ removeAllChildren(element);
+ fRootElements.add(element);
+ fRootElements.trimToSize();
}
- for (int j = 0, pSize = parents.size(); j < pSize; j++) {
- if (aTop.equals(parents.get(j))) {
- //an ancestor is already included
+ }
+
+ /**
+ * @see IRegion
+ */
+ public boolean contains(IJavaElement element) {
+
+ int size = fRootElements.size();
+ ArrayList parents = getAncestors(element);
+
+ for (int i = 0; i < size; i++) {
+ IJavaElement aTop = (IJavaElement) fRootElements.get(i);
+ if (aTop.equals(element)) {
return true;
}
+ for (int j = 0, pSize = parents.size(); j < pSize; j++) {
+ if (aTop.equals(parents.get(j))) {
+ // an ancestor is already included
+ return true;
+ }
+ }
}
+ return false;
}
- return false;
-}
-/**
- * Returns a collection of all the parents of this element
- * in bottom-up order.
- *
- */
-private ArrayList getAncestors(IJavaElement element) {
- ArrayList parents = new ArrayList();
- IJavaElement parent = element.getParent();
- while (parent != null) {
- parents.add(parent);
- parent = parent.getParent();
+
+ /**
+ * Returns a collection of all the parents of this element in bottom-up
+ * order.
+ *
+ */
+ private ArrayList getAncestors(IJavaElement element) {
+ ArrayList parents = new ArrayList();
+ IJavaElement parent = element.getParent();
+ while (parent != null) {
+ parents.add(parent);
+ parent = parent.getParent();
+ }
+ parents.trimToSize();
+ return parents;
}
- parents.trimToSize();
- return parents;
-}
-/**
- * @see IRegion
- */
-public IJavaElement[] getElements() {
- int size= fRootElements.size();
- IJavaElement[] roots= new IJavaElement[size];
- for (int i = 0; i < size; i++) {
- roots[i]= (IJavaElement) fRootElements.get(i);
+
+ /**
+ * @see IRegion
+ */
+ public IJavaElement[] getElements() {
+ int size = fRootElements.size();
+ IJavaElement[] roots = new IJavaElement[size];
+ for (int i = 0; i < size; i++) {
+ roots[i] = (IJavaElement) fRootElements.get(i);
+ }
+
+ return roots;
}
- return roots;
-}
-/**
- * @see IRegion#remove(IJavaElement)
- */
-public boolean remove(IJavaElement element) {
+ /**
+ * @see IRegion#remove(IJavaElement)
+ */
+ public boolean remove(IJavaElement element) {
- removeAllChildren(element);
- return fRootElements.remove(element);
-}
-/**
- * Removes any children of this element that are contained within this
- * region as this parent is about to be added to the region.
- *
- * <p>Children are all children, not just direct children.
- */
-private void removeAllChildren(IJavaElement element) {
- if (element instanceof IParent) {
- ArrayList newRootElements = new ArrayList();
- for (int i = 0, size = fRootElements.size(); i < size; i++) {
- IJavaElement currentRoot = (IJavaElement)fRootElements.get(i);
- //walk the current root hierarchy
- IJavaElement parent = currentRoot.getParent();
- boolean isChild= false;
- while (parent != null) {
- if (parent.equals(element)) {
- isChild= true;
- break;
+ removeAllChildren(element);
+ return fRootElements.remove(element);
+ }
+
+ /**
+ * Removes any children of this element that are contained within this
+ * region as this parent is about to be added to the region.
+ *
+ * <p>
+ * Children are all children, not just direct children.
+ */
+ private void removeAllChildren(IJavaElement element) {
+ if (element instanceof IParent) {
+ ArrayList newRootElements = new ArrayList();
+ for (int i = 0, size = fRootElements.size(); i < size; i++) {
+ IJavaElement currentRoot = (IJavaElement) fRootElements.get(i);
+ // walk the current root hierarchy
+ IJavaElement parent = currentRoot.getParent();
+ boolean isChild = false;
+ while (parent != null) {
+ if (parent.equals(element)) {
+ isChild = true;
+ break;
+ }
+ parent = parent.getParent();
+ }
+ if (!isChild) {
+ newRootElements.add(currentRoot);
}
- parent = parent.getParent();
- }
- if (!isChild) {
- newRootElements.add(currentRoot);
}
+ fRootElements = newRootElements;
}
- fRootElements= newRootElements;
}
-}
-/**
- * Returns a printable representation of this region.
- */
-public String toString() {
- StringBuffer buffer= new StringBuffer();
- IJavaElement[] roots= getElements();
- buffer.append('[');
- for (int i= 0; i < roots.length; i++) {
- buffer.append(roots[i].getElementName());
- if (i < (roots.length - 1)) {
- buffer.append(", "); //$NON-NLS-1$
+
+ /**
+ * Returns a printable representation of this region.
+ */
+ public String toString() {
+ StringBuffer buffer = new StringBuffer();
+ IJavaElement[] roots = getElements();
+ buffer.append('[');
+ for (int i = 0; i < roots.length; i++) {
+ buffer.append(roots[i].getElementName());
+ if (i < (roots.length - 1)) {
+ buffer.append(", "); //$NON-NLS-1$
+ }
}
+ buffer.append(']');
+ return buffer.toString();
}
- buffer.append(']');
- return buffer.toString();
-}
}
git://git.phpeclipse.com / phpeclipse.git / blobdiff