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flatlaf-core/src/test/java/com/formdev/flatlaf/ui/TestFlatHTML.java
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| /* | ||
| * Copyright 2024 FormDev Software GmbH | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * https://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * 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.formdev.flatlaf.ui; | ||
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|
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| import static org.junit.jupiter.api.Assertions.assertEquals; | ||
| import java.util.Locale; | ||
| import javax.swing.JComponent; | ||
| import javax.swing.JLabel; | ||
| import javax.swing.UIManager; | ||
| import javax.swing.plaf.basic.BasicHTML; | ||
| import javax.swing.text.BadLocationException; | ||
| import javax.swing.text.Document; | ||
| import javax.swing.text.View; | ||
| import org.junit.jupiter.api.AfterAll; | ||
| import org.junit.jupiter.api.BeforeAll; | ||
| import org.junit.jupiter.api.Test; | ||
|
|
||
| /** | ||
| * @author Karl Tauber | ||
| */ | ||
| public class TestFlatHTML | ||
| { | ||
| private final String body = "some <small>small</small> text"; | ||
| private final String bodyInBody = "<body>" + body + "</body>"; | ||
| private final String bodyPlain = "some small text"; | ||
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| @BeforeAll | ||
| static void setup() { | ||
| TestUtils.setup( false ); | ||
| TestUtils.scaleFont( 2 ); | ||
| } | ||
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| @AfterAll | ||
| static void cleanup() { | ||
| TestUtils.cleanup(); | ||
| } | ||
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| @Test | ||
| void simple() { | ||
| testHtmlBaseSize( "<html>${BASE_SIZE_IN_HEAD}" + body + "</html>", bodyPlain ); | ||
| testHtmlBaseSize( "<html>${BASE_SIZE_IN_HEAD}" + bodyInBody + "</html>", bodyPlain ); | ||
| } | ||
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| @Test | ||
| void htmlWithHeadTag() { | ||
| testHtmlBaseSize( "<html><head>${BASE_SIZE}<title>test</title><head>" + body + "</html>", bodyPlain ); | ||
| testHtmlBaseSize( "<html><head>${BASE_SIZE}<title>test</title><head>" + bodyInBody + "</html>", bodyPlain ); | ||
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| testHtmlBaseSize( "<html><head id=\"abc\">${BASE_SIZE}<title>test</title><head>" + body + "</html>", bodyPlain ); | ||
| testHtmlBaseSize( "<html><head id=\"abc\">${BASE_SIZE}<title>test</title><head>" + bodyInBody + "</html>", bodyPlain ); | ||
| } | ||
|
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| @Test | ||
| void htmlWithStyleTag() { | ||
| testHtmlBaseSize( "<html>${BASE_SIZE}<style>body { color: #f00; }</style>" + bodyInBody + "</html>", bodyPlain ); | ||
| testHtmlBaseSize( "<html>${BASE_SIZE}<style>body { color: #f00; }</style><h1>header1</h1>" + body + "</html>", "header1\n" + bodyPlain ); | ||
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| testHtmlBaseSize( "<html>${BASE_SIZE}<style type='text/css'>body { color: #f00; }</style>" + bodyInBody + "</html>", bodyPlain ); | ||
| testHtmlBaseSize( "<html>${BASE_SIZE}<style type='text/css'>body { color: #f00; }</style><h1>header1</h1>" + body + "</html>", "header1\n" + bodyPlain ); | ||
| } | ||
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| private void testHtmlBaseSize( String html, String expectedPlain ) { | ||
| testHtmlBaseSizeImpl( html, expectedPlain ); | ||
| testHtmlBaseSizeImpl( html.toUpperCase( Locale.ENGLISH ), expectedPlain.toUpperCase( Locale.ENGLISH ) ); | ||
| } | ||
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| private void testHtmlBaseSizeImpl( String html, String expectedPlain ) { | ||
| String baseSize = "<style>BASE_SIZE " + UIManager.getFont( "Label.font" ).getSize() + "</style>"; | ||
| String baseSizeInHead = "<head>" + baseSize + "</head>"; | ||
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| String expectedHtml = html.replace( "${BASE_SIZE}", baseSize ).replace( "${BASE_SIZE_IN_HEAD}", baseSizeInHead ); | ||
| html = html.replace( "${BASE_SIZE}", "" ).replace( "${BASE_SIZE_IN_HEAD}", "" ); | ||
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| testHtml( html, expectedHtml, expectedPlain ); | ||
| } | ||
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| private void testHtml( String html, String expectedHtml, String expectedPlain ) { | ||
| FlatHTML.testUpdateRenderer = (c, newHtml) -> { | ||
| assertEquals( expectedHtml, newHtml ); | ||
| assertEquals( expectedPlain, getPlainText( c ) ); | ||
| }; | ||
| new JLabel( html ); | ||
| FlatHTML.testUpdateRenderer = null; | ||
| } | ||
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| private String getPlainText( JComponent c ) { | ||
| View view = (View) c.getClientProperty( BasicHTML.propertyKey ); | ||
| if( view == null ) | ||
| return null; | ||
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| Document doc = view.getDocument(); | ||
| try { | ||
| return doc.getText( 0, doc.getLength() ).trim(); | ||
| } catch( BadLocationException ex ) { | ||
| ex.printStackTrace(); | ||
| return null; | ||
| } | ||
| } | ||
| } |
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