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1
11 package org.eclipse.ant.internal.ui.preferences;
12
13
14 import java.util.ArrayList  ;
15 import java.util.Arrays ;
16 import java.util.List ;
17
18 import org.eclipse.jface.viewers.IStructuredContentProvider;
19 import org.eclipse.jface.viewers.IStructuredSelection;
20 import org.eclipse.jface.viewers.StructuredSelection;
21 import org.eclipse.jface.viewers.TableViewer;
22 import org.eclipse.jface.viewers.Viewer;
23 import org.eclipse.jface.viewers.ViewerComparator;
24
25
29 public class AntContentProvider implements IStructuredContentProvider {
30 protected List elements = new ArrayList ();
31 protected TableViewer tableViewer;
32 private ViewerComparator fComparator= null;
33
34 public void add(Object o) {
35 if (elements.contains(o)) {
36 return;
37 }
38 elements.add(o);
39 tableViewer.add(o);
40 tableViewer.setSelection(new StructuredSelection(o), true);
41 }
42
43 public void dispose() {
44 }
45
46 public Object [] getElements(Object inputElement) {
47 return elements.toArray();
48 }
49
50 public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
51 tableViewer = (TableViewer) viewer;
52 elements.clear();
53 if (newInput != null) {
54 tableViewer.setComparator(getComparator());
55 List list;
56 if (newInput instanceof List ) {
57 list= (List ) newInput;
58 } else {
59 list= Arrays.asList((Object []) newInput);
60 }
61 elements.addAll(list);
62 }
63 }
64
65 public void remove(Object o) {
66 elements.remove(o);
67 tableViewer.remove(o);
68 }
69
70 public void remove(IStructuredSelection selection) {
71 Object [] array= selection.toArray();
72 elements.removeAll(Arrays.asList(array));
73 tableViewer.remove(array);
74 }
75
76 protected ViewerComparator getComparator() {
77 if (fComparator == null) {
78 fComparator= new ViewerComparator() {
79
82 public int compare(Viewer viewer, Object e1, Object e2) {
83 return e1.toString().compareToIgnoreCase(e2.toString());
84 }
85 };
86 }
87 return fComparator;
88 }
89 }
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