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Java > Open Source Codes > edu > rice > cs > util > docnavigation > IDocumentNavigatorFactory


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33
34 package edu.rice.cs.util.docnavigation;
35 import edu.rice.cs.plt.tuple.Pair;
36 import java.util.List JavaDoc;
37
38 /** Factory that produces bbjects that implement IDocumentNavigator. */
39
40 public interface IDocumentNavigatorFactory<ItemT extends INavigatorItem> {
41   
42   /** Creates a new List Navigator
43    * @return a list navigator
44    */

45   public IDocumentNavigator<ItemT> makeListNavigator();
46   
47   /** Returns a new tree Navigator with the specified root
48    * @param name the name of the root node
49    * @return a tree navigator
50    */

51   public IDocumentNavigator<ItemT> makeTreeNavigator(String JavaDoc name);
52   
53   /** Creates a list navigator and migrates the navigator items from parent to the new navigator
54    * @param parent the navigator to migrate from
55    * @return the new list navigator
56    */

57   // Note: parent's type cannot be relaxed with a wildcard. The type has an upper bound of ItemT,
58
// because the new navigator must be able to contain all of its items; the type has a lower bound
59
// of ItemT, because the parent's listeners must be able to handle all items in the new navigator.
60
public IDocumentNavigator<ItemT> makeListNavigator(IDocumentNavigator<ItemT> parent);
61   
62   /**
63    * creates a tree navigator and migrates the navigator items from the parent to the new navigator
64    * @param name the name of the root node
65    * @param parent the navigator to migrate from
66    * @return the new tree navigator
67    */

68   public IDocumentNavigator<ItemT> makeTreeNavigator(String JavaDoc name, IDocumentNavigator<ItemT> parent,
69                                                      List JavaDoc<Pair<String JavaDoc, INavigatorItemFilter<ItemT>>> l);
70 }
71
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