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/*
* Copyright (C) 2011 The Android Open Source Project
*
* Licensed under the Eclipse Public License, Version 1.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.eclipse.org/org/documents/epl-v10.php
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.ide.eclipse.adt.internal.editors.layout.gle2;
import com.android.ide.common.rendering.api.ViewInfo;
import com.android.ide.eclipse.adt.internal.editors.layout.uimodel.UiViewElementNode;
import org.eclipse.swt.widgets.Shell;
import java.util.Arrays;
import junit.framework.TestCase;
public class SelectionManagerTest extends TestCase {
private SelectionManager createManager() {
LayoutCanvas canvas = new LayoutCanvas(null, null, new Shell(), 0);
return new SelectionManager(canvas);
}
public void testEmpty() {
SelectionManager manager = createManager();
assertNotNull(manager.getSelections());
assertEquals(0, manager.getSelections().size());
assertFalse(manager.hasMultiSelection());
assertTrue(manager.isEmpty());
}
public void testBasic() {
SelectionManager manager = createManager();
assertTrue(manager.isEmpty());
UiViewElementNode rootNode = CanvasViewInfoTest.createNode("android.widget.LinearLayout",
true);
ViewInfo root = new ViewInfo("LinearLayout", rootNode, 10, 10, 100, 100);
UiViewElementNode child1Node = CanvasViewInfoTest.createNode(rootNode,
"android.widget.Button", false);
ViewInfo child1 = new ViewInfo("Button1", child1Node, 0, 0, 50, 20);
UiViewElementNode child2Node = CanvasViewInfoTest.createNode(rootNode,
"android.widget.Button", false);
ViewInfo child2 = new ViewInfo("Button2", child2Node, 0, 20, 70, 25);
root.setChildren(Arrays.asList(child1, child2));
CanvasViewInfo rootView = CanvasViewInfo.create(root, true /* layoutlib5 */).getFirst();
assertNotNull(rootView);
manager.selectMultiple(Arrays.asList(rootView, rootView.getChildren().get(0), rootView
.getChildren().get(1)));
assertEquals(3, manager.getSelections().size());
assertFalse(manager.isEmpty());
assertTrue(manager.hasMultiSelection());
// Expect read-only result; ensure that's the case
try {
manager.getSelections().remove(0);
fail("Result should be read only collection");
} catch (Exception e) {
; //ok, what we expected
}
manager.selectNone();
assertEquals(0, manager.getSelections().size());
assertTrue(manager.isEmpty());
manager.selectSingle(rootView);
assertEquals(1, manager.getSelections().size());
assertFalse(manager.isEmpty());
assertSame(rootView, manager.getSelections().get(0).getViewInfo());
manager.selectMultiple(Arrays.asList(rootView, rootView.getChildren().get(0), rootView
.getChildren().get(1)));
assertEquals(3, manager.getSelections().size());
manager.deselect(rootView.getChildren().get(0));
assertEquals(2, manager.getSelections().size());
manager.deselect(rootView);
assertEquals(1, manager.getSelections().size());
assertSame(rootView.getChildren().get(1), manager.getSelections().get(0).getViewInfo());
}
public void testSelectParent() {
SelectionManager manager = createManager();
assertTrue(manager.isEmpty());
UiViewElementNode rootNode = CanvasViewInfoTest.createNode("android.widget.LinearLayout",
true);
ViewInfo root = new ViewInfo("LinearLayout", rootNode, 10, 10, 100, 100);
UiViewElementNode child1Node = CanvasViewInfoTest.createNode(rootNode,
"android.widget.Button", false);
ViewInfo child1 = new ViewInfo("Button1", child1Node, 0, 0, 50, 20);
UiViewElementNode child2Node = CanvasViewInfoTest.createNode(rootNode,
"android.widget.Button", false);
ViewInfo child2 = new ViewInfo("Button2", child2Node, 0, 20, 70, 25);
root.setChildren(Arrays.asList(child1, child2));
CanvasViewInfo rootView = CanvasViewInfo.create(root, true /* layoutlib5 */).getFirst();
assertNotNull(rootView);
manager.selectMultiple(Arrays.asList(rootView.getChildren().get(0)));
assertEquals(1, manager.getSelections().size());
assertFalse(manager.isEmpty());
assertSame(rootView.getChildren().get(0), manager.getSelections().get(0).getViewInfo());
manager.selectParent();
assertEquals(1, manager.getSelections().size());
assertFalse(manager.isEmpty());
assertSame(rootView, manager.getSelections().get(0).getViewInfo());
}
}
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