1 files changed, 0 insertions, 195 deletions
diff --git a/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/util/ProblemItemMapper.java b/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/util/ProblemItemMapper.java
deleted file mode 100644
index 94e70d7c92f..00000000000
--- a/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/util/ProblemItemMapper.java
+++ /dev/null
@@ -1,195 +0,0 @@
-package org.eclipse.cdt.internal.ui.util;
-
-/*
- * (c) Copyright QNX Software Systems Ltd. 2002.
- * All Rights Reserved.
- */
-
-import org.eclipse.cdt.core.model.ICElement;
-import java.util.ArrayList;
-import java.util.Collection;
-import java.util.HashMap;
-import java.util.Iterator;
-import java.util.List;
-import java.util.Stack;
-
-import org.eclipse.core.resources.IResource;
-import org.eclipse.core.runtime.IPath;
-
-import org.eclipse.swt.graphics.Image;
-import org.eclipse.swt.widgets.Item;
-
-import org.eclipse.jface.viewers.ILabelProvider;
-
-
-/**
- * Helper class for updating error markers.
- * Items are mapped to paths of their underlying resources.
- * Method <code>problemsChanged</code> updates all items that are affected from the changed
- * elements.
- */
-public class ProblemItemMapper {
-
-	private static final int NUMBER_LIST_REUSE= 10;
-
-	// map from path to item
-	private HashMap fPathToItem;
-	private Stack fReuseLists;
-
-	public ProblemItemMapper() {
-		fPathToItem= new HashMap();
-		fReuseLists= new Stack();
-	}
-
-	/**
-	 * Updates the icons of all mapped elements containing to the changed elements.
-	 * Must be called from the UI thread.
-	 */
-	public void problemsChanged(Collection changedPaths, ILabelProvider lprovider) {
-		// iterate over the smaller set/map
-		if (changedPaths.size() <= fPathToItem.size()) {
-			iterateChanges(changedPaths, lprovider);
-		} else {
-			iterateItems(changedPaths, lprovider);
-		}
-	}
-	
-	private void iterateChanges(Collection changedPaths, ILabelProvider lprovider) {
-		Iterator elements= changedPaths.iterator();
-		while (elements.hasNext()) {
-			IPath curr= (IPath) elements.next();
-			Object obj= fPathToItem.get(curr);
-			if (obj == null) {
-				// not mapped
-			} else if (obj instanceof Item) {
-				refreshIcon(lprovider, (Item)obj);
-			} else { // List of Items
-				List list= (List) obj;
-				for (int i= 0; i < list.size(); i++) {
-					refreshIcon(lprovider, (Item) list.get(i));
-				}
-			}
-		}
-	}
-	
-	private void iterateItems(Collection changedPaths, ILabelProvider lprovider) {
-		Iterator keys= fPathToItem.keySet().iterator();
-		while (keys.hasNext()) {
-			IPath curr= (IPath) keys.next();
-			if (changedPaths.contains(curr)) {
-				Object obj= fPathToItem.get(curr);
-				if (obj instanceof Item) {
-					refreshIcon(lprovider, (Item)obj);
-				} else { // List of Items
-					List list= (List) obj;
-					for (int i= 0; i < list.size(); i++) {
-						refreshIcon(lprovider, (Item) list.get(i));
-					}
-				}
-			}
-		}
-	}	
-		
-	private void refreshIcon(ILabelProvider lprovider, Item item) {
-		if (!item.isDisposed()) { // defensive code
-			Object data= item.getData();
-			if (data instanceof ICElement && !((ICElement)data).exists()) {
-				// @@@ not yet return;
-			}
-			Image old= item.getImage();
-			Image image= lprovider.getImage(data);
-			if (image != null && image != old) {
-				item.setImage(image);
-			}
-		}
-	}
-
-	/**
-	 * Adds a new item to the map.
-	 * @param element Element to map
-	 * @param item The item used for the element
-	 */
-	public void addToMap(Object element, Item item) {
-		IPath path= getCorrespondingPath(element);
-		if (path != null) {
-			Object existingMapping= fPathToItem.get(path);
-			if (existingMapping == null) {
-				fPathToItem.put(path, item);
-			} else if (existingMapping instanceof Item) {
-				if (existingMapping != item) {
-					List list= newList();
-					list.add(existingMapping);
-					list.add(item);
-					fPathToItem.put(path, list);
-				}
-			} else { // List			
-				List list= (List)existingMapping;
-				if (!list.contains(item)) {
-					list.add(item);
-				}
-			}
-		}
-	}
-
-	/**
-	 * Removes an element from the map.
-	 */	
-	public void removeFromMap(Object element, Item item) {
-		IPath path= getCorrespondingPath(element);
-		if (path != null) {
-			Object existingMapping= fPathToItem.get(path);
-			if (existingMapping == null) {
-				return;
-			} else if (existingMapping instanceof Item) {
-				fPathToItem.remove(path);
-			} else { // List
-				List list= (List) existingMapping;
-				list.remove(item);
-				if (list.isEmpty()) {
-					fPathToItem.remove(list);
-					releaseList(list);
-				}
-			}
-		}
-	}
-	
-	private List newList() {
-		if (!fReuseLists.isEmpty()) {
-			return (List) fReuseLists.pop();
-		}
-		return new ArrayList(2);
-	}
-	
-	private void releaseList(List list) {
-		if (fReuseLists.size() < NUMBER_LIST_REUSE) {
-			fReuseLists.push(list);
-		}
-	}
-	
-	/**
-	 * Clears the map.
-	 */
-	public void clearMap() {
-		fPathToItem.clear();
-	}
-	
-	/**
-	 * Method that decides which elements can have error markers
-	 * Returns null if an element can not have error markers.
-	 */	
-	private static IPath getCorrespondingPath(Object element) {
-		if (element instanceof ICElement) {
-			ICElement elem= (ICElement) element;
-			//if (!elem.isReadOnly()) { // only modifieable elements can get error ticks
-				return elem.getPath();
-			//}
-			//return null;
-		} else if (element instanceof IResource) {
-			return ((IResource)element).getFullPath();
-		}
-		return null;
-	}
-	
-}
-
-