| 1 | // License: GPL. For details, see LICENSE file.
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| 2 | package org.openstreetmap.josm.gui.dialogs.layer;
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| 3 |
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| 4 | import static org.junit.Assert.assertEquals;
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| 5 | import static org.junit.Assert.assertFalse;
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| 6 | import static org.junit.Assert.assertTrue;
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| 7 |
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| 8 | import org.junit.BeforeClass;
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| 9 | import org.junit.Test;
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| 10 | import org.openstreetmap.josm.JOSMFixture;
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| 11 | import org.openstreetmap.josm.Main;
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| 12 | import org.openstreetmap.josm.gui.dialogs.LayerListDialog;
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| 13 | import org.openstreetmap.josm.gui.dialogs.LayerListDialog.LayerListModel;
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| 14 | import org.openstreetmap.josm.gui.layer.TMSLayer;
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| 15 | import org.openstreetmap.josm.gui.layer.TMSLayerTest;
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| 16 |
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| 17 | /**
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| 18 | * Unit tests of {@link LayerVisibilityAction} class.
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| 19 | */
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| 20 | public class LayerVisibilityActionTest {
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| 21 |
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| 22 | /**
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| 23 | * Setup tests
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| 24 | */
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| 25 | @BeforeClass
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| 26 | public static void setUpBeforeClass() {
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| 27 | JOSMFixture.createUnitTestFixture().init(true);
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| 28 | }
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| 29 |
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| 30 | /**
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| 31 | * Unit test of {@link LayerVisibilityAction} class.
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| 32 | */
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| 33 | @Test
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| 34 | public void testLayerVisibilityAction() {
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| 35 | TMSLayer layer = TMSLayerTest.createTmsLayer();
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| 36 | try {
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| 37 | LayerListModel model = LayerListDialog.getInstance().getModel();
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| 38 | LayerVisibilityAction action = new LayerVisibilityAction(model);
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| 39 | action.updateEnabledState();
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| 40 | assertFalse(action.isEnabled());
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| 41 |
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| 42 | Main.map.mapView.addLayer(layer);
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| 43 | action.updateEnabledState();
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| 44 | assertTrue(action.isEnabled());
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| 45 | assertTrue(action.supportLayers(model.getSelectedLayers()));
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| 46 |
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| 47 | // now check values
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| 48 | action.updateValues();
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| 49 | assertEquals(1.0, action.opacitySlider.getRealValue(), 1e-15);
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| 50 |
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| 51 | action.opacitySlider.setRealValue(.5);
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| 52 | action.updateValues();
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| 53 |
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| 54 | assertEquals(0.5, action.opacitySlider.getRealValue(), 1e-15);
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| 55 |
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| 56 | action.setVisibleFlag(false);
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| 57 | action.updateValues();
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| 58 | assertFalse(layer.isVisible());
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| 59 |
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| 60 | action.setVisibleFlag(true);
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| 61 | action.updateValues();
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| 62 | assertTrue(layer.isVisible());
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| 63 |
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| 64 | // layer stays visible during adjust
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| 65 | action.opacitySlider.setValueIsAdjusting(true);
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| 66 | action.opacitySlider.setRealValue(0);
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| 67 | assertEquals(0, layer.getOpacity(), 1e-15);
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| 68 | layer.setOpacity(.1); // to make layer.isVisible work
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| 69 | assertTrue(layer.isVisible());
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| 70 | layer.setOpacity(0);
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| 71 |
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| 72 | action.opacitySlider.setValueIsAdjusting(false);
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| 73 | action.opacitySlider.setRealValue(0);
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| 74 | assertEquals(0, layer.getOpacity(), 1e-15);
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| 75 | layer.setOpacity(.1); // to make layer.isVisible work
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| 76 | assertFalse(layer.isVisible());
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| 77 | layer.setOpacity(0);
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| 78 | action.updateValues();
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| 79 |
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| 80 | // Opacity reset when it was 0 and user set layer to visible.
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| 81 | action.setVisibleFlag(true);
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| 82 | action.updateValues();
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| 83 | assertEquals(1.0, action.opacitySlider.getRealValue(), 1e-15);
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| 84 | assertEquals(1.0, layer.getOpacity(), 1e-15);
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| 85 |
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| 86 | } finally {
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| 87 | Main.map.mapView.removeLayer(layer);
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| 88 | }
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| 89 | }
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| 90 | }
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