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/*******************************************************************************
* Copyright (c) 2017 Stephan Wahlbrink and others.
*
* This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* Stephan Wahlbrink <sw@wahlbrink.eu>
*******************************************************************************/
package org.eclipse.ui.genericeditor.tests;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import java.util.Arrays;
import java.util.Set;
import java.util.stream.Collectors;
import org.junit.After;
import org.junit.Test;
import org.eclipse.swt.custom.StyledText;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Text;
import org.eclipse.text.tests.Accessor;
import org.eclipse.jface.text.contentassist.ContentAssistant;
import org.eclipse.jface.text.source.SourceViewer;
import org.eclipse.ui.genericeditor.tests.contributions.BarContentAssistProcessor;
import org.eclipse.ui.texteditor.ITextEditorActionConstants;
import org.eclipse.ui.texteditor.TextOperationAction;
public class ContextInfoTest extends AbstratGenericEditorTest {
private Shell completionShell;
@Test
public void testContextInfo() throws Exception {
cleanFileAndEditor();
createAndOpenFile("foobar.txt", BarContentAssistProcessor.PROPOSAL);
final Set<Shell> beforeShells = Arrays.stream(editor.getSite().getShell().getDisplay().getShells()).filter(Shell::isVisible).collect(Collectors.toSet());
TextOperationAction action = (TextOperationAction) editor.getAction(ITextEditorActionConstants.CONTENT_ASSIST_CONTEXT_INFORMATION);
editor.selectAndReveal(4, 0);
action.update();
action.run();
waitAndDispatch(100);
this.completionShell= findNewShell(beforeShells);
assertEquals("idx= 0", getInfoText(this.completionShell));
editor.selectAndReveal(8, 0);
action.update();
action.run();
waitAndDispatch(100);
this.completionShell= findNewShell(beforeShells);
assertEquals("idx= 1", getInfoText(this.completionShell));
}
@Test
public void testContextInfo_hide_Bug512251() throws Exception {
cleanFileAndEditor();
createAndOpenFile("foobar.txt", BarContentAssistProcessor.PROPOSAL);
final Set<Shell> beforeShells = Arrays.stream(editor.getSite().getShell().getDisplay().getShells()).filter(Shell::isVisible).collect(Collectors.toSet());
TextOperationAction action = (TextOperationAction) editor.getAction(ITextEditorActionConstants.CONTENT_ASSIST_CONTEXT_INFORMATION);
editor.selectAndReveal(4, 0);
action.update();
action.run();
waitAndDispatch(100);
this.completionShell= findNewShell(beforeShells);
editor.selectAndReveal(8, 0);
action.update();
action.run();
waitAndDispatch(100);
this.completionShell= findNewShell(beforeShells);
editor.getAction(ITextEditorActionConstants.DELETE_LINE).run();
SourceViewer sourceViewer= getSourceViewer();
ContentAssistant assist= (ContentAssistant) new Accessor(sourceViewer, SourceViewer.class).get("fContentAssistant");
new Accessor(assist, ContentAssistant.class).invoke("hide", new Object[0]);
}
private Shell findNewShell(Set<Shell> beforeShells) {
Shell[] afterShells = Arrays.stream(editor.getSite().getShell().getDisplay().getShells())
.filter(Shell::isVisible)
.filter(shell -> !beforeShells.contains(shell))
.toArray(Shell[]::new);
assertEquals("No new shell found", 1, afterShells.length);
return afterShells[0];
}
private String getInfoText(final Shell shell) {
assertTrue(shell.isVisible());
Control[] children= shell.getChildren();
for (Control child : children) {
if (child instanceof Text) {
return ((Text) child).getText();
}
if (child instanceof StyledText) {
return ((StyledText) child).getText();
}
}
return null;
}
@After
public void closeShell() {
if (this.completionShell != null && !completionShell.isDisposed()) {
completionShell.close();
}
}
}
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