115 lines
3.8 KiB
Java
115 lines
3.8 KiB
Java
/*
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* Copyright (c) 2001, 2023, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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import java.awt.Robot;
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import java.awt.Shape;
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import javax.swing.JEditorPane;
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import javax.swing.JFrame;
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import javax.swing.SwingUtilities;
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import javax.swing.text.BadLocationException;
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import javax.swing.text.Document;
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import javax.swing.text.Element;
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import javax.swing.text.Position;
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import javax.swing.text.StyleConstants;
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import javax.swing.text.View;
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import javax.swing.text.ViewFactory;
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import javax.swing.text.html.HTML;
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import javax.swing.text.html.HTMLEditorKit;
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import javax.swing.text.html.ParagraphView;
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/*
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* @test
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* @bug 4398059
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* @key headful
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* @summary Tests that CompositeView doesn't throw NPE.
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*/
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public class bug4398059 {
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private static JFrame jFrame;
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public static void main(String[] args) throws Exception {
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try {
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Robot robot = new Robot();
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SwingUtilities.invokeAndWait(bug4398059::createAndShowUI);
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robot.waitForIdle();
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robot.delay(1000);
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} finally {
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SwingUtilities.invokeAndWait(() -> {
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if (jFrame != null) {
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jFrame.dispose();
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}
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});
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}
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}
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public static void createAndShowUI() {
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String text = "<H1>text";
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jFrame = new JFrame("CompositeView Test");
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JEditorPane jep = new JEditorPane();
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jep.setEditorKit(new MyHTMLEditorKit());
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jep.setText(text);
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Document doc = jep.getDocument();
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jep.setCaretPosition(doc.getLength() - 1);
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jFrame.getContentPane().add(jep);
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jFrame.setSize(200,200);
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jFrame.setVisible(true);
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}
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static class MyHTMLEditorKit extends HTMLEditorKit {
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private static final ViewFactory defaultFactory = new MyHTMLFactory();
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public ViewFactory getViewFactory() {
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return defaultFactory;
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}
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static class MyHTMLFactory extends HTMLEditorKit.HTMLFactory {
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public View create(Element elem) {
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Object obj = elem.getAttributes().getAttribute(StyleConstants.NameAttribute);
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if (obj instanceof HTML.Tag kind) {
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if (kind == HTML.Tag.H1) {
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return new MyParagraphView(elem);
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}
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}
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return super.create(elem);
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}
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}
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static class MyParagraphView extends ParagraphView {
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public MyParagraphView(Element elem) {
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super(elem);
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}
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public Shape getChildAllocation(int index, Shape a) {
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return null;
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}
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public Shape modelToView(int pos, Shape a, Position.Bias b)
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throws BadLocationException {
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return super.modelToView(pos, a, b);
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}
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}
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}
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}
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