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1
19
20 package org.openide.explorer.view;
21
22 import java.awt.datatransfer.DataFlavor  ;
23 import java.awt.datatransfer.StringSelection ;
24 import java.awt.datatransfer.Transferable ;
25 import java.io.IOException ;
26 import org.netbeans.junit.MockServices;
27 import org.netbeans.junit.NbTestCase;
28 import org.openide.nodes.AbstractNode;
29 import org.openide.nodes.Children;
30 import org.openide.nodes.NodeTransfer;
31 import org.openide.util.datatransfer.ExClipboard;
32 import org.openide.util.datatransfer.ExTransferable;
33 import org.openide.util.datatransfer.MultiTransferObject;
34
35
39 public class DragDropUtilitiesTest extends NbTestCase {
40
41 public DragDropUtilitiesTest(String testName) {
42 super(testName);
43 }
44
45 protected void setUp() throws Exception {
46 MockServices.setServices(new Class [] {MyClipboard.class});
47 last = null;
48 }
49
50 public void testGetNodeTransferableForSingleNodeCopy() throws Exception {
51 N node = new N();
52
53 Transferable t = DragDropUtilities.getNodeTransferable(node, NodeTransfer.DND_COPY);
54
55 assertEquals("One call to copy", 1, node.copy);
56 assertEquals("Also one call to drag which delegates to copy", 1, node.drag);
57 assertEquals("No call to cut", 0, node.cut);
58 assertNotNull("Call to convertor", last);
59 assertTrue("StringSelection got to ExClipboard convertor", last instanceof StringSelection );
60 }
61
62 public void testGetNodeTransferableForSingleNodeCut() throws Exception {
63 N node = new N();
64
65 Transferable t = DragDropUtilities.getNodeTransferable(node, NodeTransfer.DND_MOVE);
66
67 assertEquals("One call to cut", 1, node.cut);
68 assertEquals("No call to drag", 0, node.drag);
69 assertEquals("No call to copy", 0, node.copy);
70 assertNotNull("Call to convertor", last);
71 assertTrue("StringSelection got to ExClipboard convertor", last instanceof StringSelection );
72 }
73
74 public void testMultiTransferableForCopy() throws Exception {
75 N node = new N();
76 N n2 = new N();
77 N[] arr = { node, n2 };
78
79 Transferable t = DragDropUtilities.getNodeTransferable(arr, NodeTransfer.DND_COPY);
80
81 assertEquals("One call to copy", 1, node.copy);
82 assertEquals("One call to copy on n2", 1, n2.copy);
83 assertEquals("Also one call to drag which delegates to copy", 1, node.drag);
84 assertEquals("Also one call to drag which delegates to copy on n2", 1, n2.drag);
85 assertEquals("No call to cut", 0, node.cut);
86 assertEquals("No call to cut", 0, n2.cut);
87
88 assertNotNull("Call to convertor", last);
89 assertTrue("multi flavor supported", last.isDataFlavorSupported(ExTransferable.multiFlavor));
90 Object obj = last.getTransferData(ExTransferable.multiFlavor);
91 if (!( obj instanceof MultiTransferObject)) {
92 fail("It should be MultiTransferObject: " + obj);
93 }
94 MultiTransferObject m = (MultiTransferObject)obj;
95
96 assertEquals("Two in multi", 2, m.getCount());
97 assertTrue("Is string", m.getTransferData(0, DataFlavor.stringFlavor) instanceof String );
98 assertTrue("Is string2", m.getTransferData(1, DataFlavor.stringFlavor) instanceof String );
99 }
100
101 public void testMultiTransferableForCut() throws Exception {
102 N node = new N();
103 N n2 = new N();
104 N[] arr = { node, n2 };
105
106 Transferable t = DragDropUtilities.getNodeTransferable(arr, NodeTransfer.DND_MOVE);
107
108 assertEquals("One call to cut ", 1, node.cut);
109 assertEquals("One call to cut on n2", 1, n2.cut);
110 assertEquals("No to drag", 0, node.drag);
111 assertEquals("No to drag on n2", 0, n2.drag);
112 assertEquals("No call to copy", 0, node.copy);
113 assertEquals("No call to copy on n2", 0, n2.copy);
114
115 assertNotNull("Call to convertor", last);
116 assertTrue("multi flavor supported", last.isDataFlavorSupported(ExTransferable.multiFlavor));
117 Object obj = last.getTransferData(ExTransferable.multiFlavor);
118 if (!( obj instanceof MultiTransferObject)) {
119 fail("It should be MultiTransferObject: " + obj);
120 }
121 MultiTransferObject m = (MultiTransferObject)obj;
122
123 assertEquals("Two in multi", 2, m.getCount());
124 assertTrue("Is string", m.getTransferData(0, DataFlavor.stringFlavor) instanceof String );
125 assertTrue("Is string2", m.getTransferData(1, DataFlavor.stringFlavor) instanceof String );
126 }
127
128
129
130 private static class N extends AbstractNode {
131 public int copy;
132 public int cut;
133 public int drag;
134 public Transferable ret = new StringSelection ("A text");
135
136 public N() {
137 super(Children.LEAF);
138 }
139
140 public Transferable clipboardCut() throws IOException {
141 cut++;
142 return ret;
143 }
144
145 public Transferable clipboardCopy() throws IOException {
146 copy++;
147 return ret;
148 }
149
150 public Transferable drag() throws IOException {
151 drag++;
152 return super.drag();
153 }
154 }
155
156 public static Transferable last;
157
158 public static final class MyClipboard extends ExClipboard {
159
160 public MyClipboard() {
161 super("Empty");
162 }
163
164 public ExClipboard.Convertor[] getConvertors() {
165 return new ExClipboard.Convertor[] {new ExClipboard.Convertor() {
166 public Transferable convert(Transferable t) {
167 last = t;
168 return t;
169 }
170 }};
171 }
172 }
173 }
174 |
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