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17
18 package swingwtx.swing;
19
20 import java.util.Enumeration  ;
21 import java.util.Vector ;
22
23 public class DefaultListModel extends AbstractListModel {
24 private Vector v = new Vector ();
25 public int getSize() {
26 return v.size();
27 }
28 public Object getElementAt(int index) {
29 return v.elementAt(index);
30 }
31 public void copyInto(Object anArray[]) {
32 v.copyInto(anArray);
33 }
34 public void trimToSize() {
35 v.trimToSize();
36 }
37 public void ensureCapacity(int minCapacity) {
38 v.ensureCapacity(minCapacity);
39 }
40 public void setSize(int newSize) {
41 int oldSize = v.size();
42 v.setSize(newSize);
43 if (oldSize > newSize) {
44 fireIntervalRemoved(this, newSize, oldSize-1);
45 }
46 else if (oldSize < newSize) {
47 fireIntervalAdded(this, oldSize, newSize-1);
48 }
49 }
50 public int capacity() {
51 return v.capacity();
52 }
53 public int size() {
54 return v.size();
55 }
56 public boolean isEmpty() {
57 return v.isEmpty();
58 }
59 public Enumeration elements() {
60 return v.elements();
61 }
62 public boolean contains(Object elem) {
63 return v.contains(elem);
64 }
65 public int indexOf(Object elem) {
66 return v.indexOf(elem);
67 }
68 public int indexOf(Object elem, int index) {
69 return v.indexOf(elem, index);
70 }
71 public int lastIndexOf(Object elem) {
72 return v.lastIndexOf(elem);
73 }
74 public int lastIndexOf(Object elem, int index) {
75 return v.lastIndexOf(elem, index);
76 }
77 public Object elementAt(int index) {
78 return v.elementAt(index);
79 }
80 public Object firstElement() {
81 return v.firstElement();
82 }
83 public Object lastElement() {
84 return v.lastElement();
85 }
86 public void setElementAt(Object obj, int index) {
87 v.setElementAt(obj, index);
88 fireContentsChanged(this, index, index);
89 }
90 public void removeElementAt(int index) {
91 v.removeElementAt(index);
92 fireIntervalRemoved(this, index, index);
93 }
94 public void insertElementAt(Object obj, int index) {
95 v.insertElementAt(obj, index);
96 fireIntervalAdded(this, index, index);
97 }
98 public void addElement(Object obj) {
99 int index = v.size();
100 v.addElement(obj);
101 fireIntervalAdded(this, index, index);
102 }
103 public boolean removeElement(Object obj) {
104 int index = indexOf(obj);
105 boolean rv = v.removeElement(obj);
106 if (index >= 0) {
107 fireIntervalRemoved(this, index, index);
108 }
109 return rv;
110 }
111 public void removeAllElements() {
112 int index1 = v.size()-1;
113 v.removeAllElements();
114 if (index1 >= 0) {
115 fireIntervalRemoved(this, 0, index1);
116 }
117 }
118 public String toString() {
119 return v.toString();
120 }
121 public Object [] toArray() {
122 Object [] rv = new Object [v.size()];
123 v.copyInto(rv);
124 return rv;
125 }
126 public Object get(int index) {
127 return v.elementAt(index);
128 }
129 public Object set(int index, Object element) {
130 Object rv = v.elementAt(index);
131 v.setElementAt(element, index);
132 fireContentsChanged(this, index, index);
133 return rv;
134 }
135 public void add(int index, Object element) {
136 v.insertElementAt(element, index);
137 fireIntervalAdded(this, index, index);
138 }
139 public Object remove(int index) {
140 Object rv = v.elementAt(index);
141 v.removeElementAt(index);
142 fireIntervalRemoved(this, index, index);
143 return rv;
144 }
145 public void clear() {
146 int index1 = v.size()-1;
147 v.removeAllElements();
148 if (index1 >= 0) {
149 fireIntervalRemoved(this, 0, index1);
150 }
151 }
152 public void removeRange(int fromIndex, int toIndex) {
153 for(int i = toIndex; i >= fromIndex; i--) {
154 v.removeElementAt(i);
155 }
156 fireIntervalRemoved(this, fromIndex, toIndex);
157 }
158 }
159 |
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