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/*******************************************************************************
* Copyright (c) 2016, 2017 Red Hat Inc. and others
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Mickael Istria, Sopot Cela (Red Hat Inc.)
*******************************************************************************/
package org.eclipse.ui.genericeditor.tests;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
import java.util.Collections;
import org.junit.Assume;
import org.junit.Before;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.TestName;
import org.eclipse.swt.SWT;
import org.eclipse.swt.custom.StyledText;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Event;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Link;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Text;
import org.eclipse.core.runtime.Platform;
import org.eclipse.core.resources.IMarker;
import org.eclipse.text.tests.Accessor;
import org.eclipse.jface.text.AbstractInformationControl;
import org.eclipse.jface.text.AbstractInformationControlManager;
import org.eclipse.jface.text.ITextViewer;
import org.eclipse.jface.text.TextViewer;
import org.eclipse.jface.text.tests.util.DisplayHelper;
import org.eclipse.ui.genericeditor.tests.contributions.MagicHoverProvider;
import org.eclipse.ui.genericeditor.tests.contributions.MarkerResolutionGenerator;
import org.eclipse.ui.workbench.texteditor.tests.ScreenshotTest;
import org.eclipse.ui.texteditor.AbstractTextEditor;
/**
* @since 1.0
*/
public class HoverTest extends AbstratGenericEditorTest {
@Rule
public TestName testName = new TestName();
@Before
public void skipOnWindows() {
Assume.assumeFalse("This test currently always fail on Windows (bug 505842), skipping", Platform.OS_WIN32.equals(Platform.getOS()));
}
@Test
public void testHover() throws Exception {
Shell shell = getHoverShell(triggerCompletionAndRetrieveInformationControlManager());
assertNotNull(findControl(shell, StyledText.class, MagicHoverProvider.LABEL));
}
@Test
public void testProblemHover() throws Exception {
String problemMessage = "Huston...";
IMarker marker = null;
try {
marker = this.file.createMarker(IMarker.PROBLEM);
marker.setAttribute(IMarker.LINE_NUMBER, 1);
marker.setAttribute(IMarker.SEVERITY, IMarker.SEVERITY_ERROR);
marker.setAttribute(IMarker.CHAR_START, 0);
marker.setAttribute(IMarker.CHAR_END, 5);
marker.setAttribute(IMarker.MESSAGE, problemMessage);
marker.setAttribute(MarkerResolutionGenerator.FIXME, true);
AbstractInformationControlManager manager = triggerCompletionAndRetrieveInformationControlManager();
assertEquals(Collections.singletonList(marker), getHoverData(manager));
// check dialog content
Shell shell= getHoverShell(manager);
assertNotNull(findControl(shell, Label.class, marker.getAttribute(IMarker.MESSAGE, "NONE")));
Link link = findControl(shell, Link.class, MarkerResolutionGenerator.FIXME);
assertNotNull(link);
Event event = new Event();
event.widget = link;
event.display = link.getDisplay();
event.doit = true;
event.type = SWT.Selection;
link.notifyListeners(SWT.Selection, event);
assertFalse(marker.exists());
} finally {
if (marker != null && marker.exists()) {
marker.delete();
}
}
}
private Shell getHoverShell(AbstractInformationControlManager manager) {
AbstractInformationControl[] control = { null };
new DisplayHelper() {
@Override
protected boolean condition() {
control[0] = (AbstractInformationControl)new Accessor(manager, AbstractInformationControlManager.class).get("fInformationControl");
return control[0] != null;
}
}.waitForCondition(this.editor.getSite().getShell().getDisplay(), 5000);
if (control[0] == null) {
ScreenshotTest.takeScreenshot(getClass(), testName.getMethodName(), System.out);
fail();
}
Shell shell = (Shell)new Accessor(control[0], AbstractInformationControl.class).get("fShell");
assertTrue(shell.isVisible());
return shell;
}
private <T extends Control> T findControl(Control control, Class<T> controlType, String label) {
if (control.getClass() == controlType) {
T res = (T)control;
if (label == null) {
return res;
}
String controlLabel = null;
if (control instanceof Label) {
controlLabel = ((Label)control).getText();
} else if (control instanceof Link) {
controlLabel = ((Link) control).getText();
} else if (control instanceof Text) {
controlLabel = ((Text) control).getText();
} else if (control instanceof StyledText) {
controlLabel = ((StyledText) control).getText();
}
if (controlLabel != null && controlLabel.contains(label)) {
return res;
}
} else if (control instanceof Composite) {
for (Control child : ((Composite) control).getChildren()) {
T res = findControl(child, controlType, label);
if (res != null) {
return res;
}
}
}
return null;
}
private Object getHoverData(AbstractInformationControlManager manager) throws Exception {
Object hoverData = new Accessor(manager, AbstractInformationControlManager.class).get("fInformation");
return hoverData;
}
private AbstractInformationControlManager triggerCompletionAndRetrieveInformationControlManager() {
this.editor.selectAndReveal(2, 0);
final StyledText editorTextWidget = (StyledText) this.editor.getAdapter(Control.class);
new DisplayHelper() {
@Override
protected boolean condition() {
return editorTextWidget.isFocusControl() && editorTextWidget.getSelection().x == 2;
}
}.waitForCondition(editorTextWidget.getDisplay(), 1000);
// sending event to trigger hover computation
editorTextWidget.getShell().forceActive();
editorTextWidget.getShell().setActive();
editorTextWidget.getShell().setFocus();
editorTextWidget.getShell().getDisplay().wake();
Event hoverEvent = new Event();
hoverEvent.widget = editorTextWidget;
hoverEvent.type = SWT.MouseHover;
hoverEvent.x = editorTextWidget.getClientArea().x + 5;
hoverEvent.y = editorTextWidget.getClientArea().y + 5;
hoverEvent.display = editorTextWidget.getDisplay();
hoverEvent.doit = true;
editorTextWidget.getDisplay().setCursorLocation(editorTextWidget.toDisplay(hoverEvent.x, hoverEvent.y));
editorTextWidget.notifyListeners(SWT.MouseHover, hoverEvent);
// Events need to be processed for hover listener to work correctly
DisplayHelper.sleep(editorTextWidget.getDisplay(), 1000);
// retrieving hover content
ITextViewer viewer = (ITextViewer)new Accessor(editor, AbstractTextEditor.class).invoke("getSourceViewer", new Object[0]);
AbstractInformationControlManager textHoverManager = (AbstractInformationControlManager)new Accessor(viewer, TextViewer.class).get("fTextHoverManager");
return textHoverManager;
}
}
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