source: josm/trunk/test/unit/org/openstreetmap/josm/data/osm/event/SelectionEventManagerTest.java @ 12109

Last change on this file since 12109 was 12109, checked in by michael2402, 15 months ago

SelectionEventManager: Typo / checkstyle

File size: 5.0 KB
Line 
1// License: GPL. For details, see LICENSE file.
2package org.openstreetmap.josm.data.osm.event;
3
4import static org.junit.Assert.assertEquals;
5
6import java.util.Arrays;
7import java.util.Collection;
8import java.util.HashSet;
9import java.util.List;
10
11import org.junit.Rule;
12import org.junit.Test;
13import org.openstreetmap.josm.Main;
14import org.openstreetmap.josm.command.CommandTest.CommandTestDataWithRelation;
15import org.openstreetmap.josm.data.SelectionChangedListener;
16import org.openstreetmap.josm.data.osm.DataSelectionListener;
17import org.openstreetmap.josm.data.osm.OsmPrimitive;
18import org.openstreetmap.josm.data.osm.event.DatasetEventManager.FireMode;
19import org.openstreetmap.josm.gui.util.GuiHelper;
20import org.openstreetmap.josm.testutils.JOSMTestRules;
21
22import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
23
24/**
25 * Tests the {@link SelectionEventManager}
26 * @author Michael Zangl
27 * @since 12048
28 */
29public class SelectionEventManagerTest {
30    private final class SelectionListener implements SelectionChangedListener, DataSelectionListener {
31        private Collection<? extends OsmPrimitive> newSelection;
32        private final String name;
33
34        SelectionListener(String name) {
35            this.name = name;
36        }
37
38        @Override
39        public void selectionChanged(Collection<? extends OsmPrimitive> newSelection) {
40            this.newSelection = newSelection;
41        }
42
43        @Override
44        public void selectionChanged(SelectionChangeEvent event) {
45            this.newSelection = event.getSelection();
46        }
47    }
48
49    /**
50     */
51    @Rule
52    @SuppressFBWarnings(value = "URF_UNREAD_PUBLIC_OR_PROTECTED_FIELD")
53    public JOSMTestRules test = new JOSMTestRules().preferences();
54
55    /**
56     * Tests that events in the active layer are propagated.
57     */
58    @Test
59    public void testEventPropagation() {
60        // automatically adds the layers
61        CommandTestDataWithRelation testData1 = new CommandTestDataWithRelation();
62        CommandTestDataWithRelation testData2 = new CommandTestDataWithRelation();
63        Main.getLayerManager().setActiveLayer(testData1.layer);
64        assertEquals(testData1.layer, Main.getLayerManager().getEditLayer());
65
66        SelectionListener listener1 = new SelectionListener("IMMEDIATELY");
67        SelectionListener listener2 = new SelectionListener("IN_EDT_CONSOLIDATED");
68        SelectionListener listener3 = new SelectionListener("normal");
69        SelectionListener listener4 = new SelectionListener("edt");
70        SelectionEventManager instance = SelectionEventManager.getInstance();
71        instance.addSelectionListener(listener1, FireMode.IMMEDIATELY);
72        instance.addSelectionListener(listener2, FireMode.IN_EDT_CONSOLIDATED);
73        instance.addSelectionListener(listener3);
74        instance.addSelectionListenerForEdt(listener4);
75        List<SelectionListener> listeners = Arrays.asList(listener1, listener2, listener3, listener4);
76        assertSelectionEquals(listeners, null);
77
78        // active layer, should change
79        testData1.layer.data.setSelected(testData1.existingNode.getPrimitiveId());
80        assertSelectionEquals(listeners, new HashSet<OsmPrimitive>(Arrays.asList(testData1.existingNode)));
81
82        testData1.layer.data.clearSelection(testData1.existingNode.getPrimitiveId());
83        assertSelectionEquals(listeners, new HashSet<OsmPrimitive>(Arrays.asList()));
84
85        testData1.layer.data.addSelected(testData1.existingNode2.getPrimitiveId());
86        assertSelectionEquals(listeners, new HashSet<OsmPrimitive>(Arrays.asList(testData1.existingNode2)));
87
88        // changing to other dataset should trigger a empty selection
89        Main.getLayerManager().setActiveLayer(testData2.layer);
90        assertSelectionEquals(listeners, new HashSet<OsmPrimitive>(Arrays.asList()));
91
92        // This should not trigger anything, since the layer is not active any more.
93        testData1.layer.data.clearSelection(testData1.existingNode.getPrimitiveId());
94        assertSelectionEquals(listeners, null);
95
96        testData2.layer.data.setSelected(testData2.existingNode.getPrimitiveId());
97        assertSelectionEquals(listeners, new HashSet<OsmPrimitive>(Arrays.asList(testData2.existingNode)));
98
99        // removal
100        instance.removeSelectionListener((SelectionChangedListener) listener1);
101        instance.removeSelectionListener((SelectionChangedListener) listener2);
102        instance.removeSelectionListener((DataSelectionListener) listener3);
103        instance.removeSelectionListener((DataSelectionListener) listener4);
104
105        // no event triggered now
106        testData2.layer.data.setSelected(testData2.existingNode2.getPrimitiveId());
107        assertSelectionEquals(listeners, null);
108    }
109
110    private void assertSelectionEquals(List<SelectionListener> listeners, Object should) {
111        // sync
112        GuiHelper.runInEDTAndWait(() -> { });
113        for (SelectionListener listener : listeners) {
114            assertEquals(listener.name, should, listener.newSelection);
115            listener.newSelection = null;
116        }
117    }
118
119}
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