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package edu.rice.cs.util.docnavigation;
import java.awt.dnd.*;
import edu.rice.cs.drjava.DrJavaRoot;
class JListSortNavigator<ItemT extends INavigatorItem> extends JListNavigator<ItemT>
implements DropTargetListener {
/* Relies on the standard default constructor */
/** Adds the document to the list. Should only be executed from event thread.
* @param doc the document to add
*/
public void addDocument(ItemT doc) { insertDoc(doc); }
/** Inserts the document into its sorted position. Should only be executed in the event thread.
* @param doc the document to add
*/
private int insertDoc(ItemT doc) {
int i;
synchronized(_model) {
for (i = 0; i < _model.size(); i++) {
ItemT item = getFromModel(i);
if (doc.getName().toUpperCase().compareTo(item.getName().toUpperCase()) <= 0) break;
}
_model.add(i, doc);
}
return i;
}
public String toString() { synchronized(_model) { return _model.toString(); } }
/** Drag and drop target. */
DropTarget dropTarget = new DropTarget(this, this);
/** User dragged something into the component. */
public void dragEnter(DropTargetDragEvent dropTargetDragEvent) {
DrJavaRoot.dragEnter(dropTargetDragEvent);
}
public void dragExit(DropTargetEvent dropTargetEvent) { }
public void dragOver(DropTargetDragEvent dropTargetDragEvent) { }
public void dropActionChanged(DropTargetDragEvent dropTargetDragEvent){ }
/** User dropped something on the component. */
public synchronized void drop(DropTargetDropEvent dropTargetDropEvent) {
DrJavaRoot.drop(dropTargetDropEvent);
}
}
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