Showing the changes to java/pkg/javax/swing/text/html/CommentView.java (1 of 18352 files). Show all
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| 1 | +/* | |
| 2 | + * Copyright (c) 1998, 2004, Oracle and/or its affiliates. All rights reserved. | |
| 3 | + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | |
| 4 | + * | |
| 5 | + * This code is free software; you can redistribute it and/or modify it | |
| 6 | + * under the terms of the GNU General Public License version 2 only, as | |
| 7 | + * published by the Free Software Foundation. Oracle designates this | |
| 8 | + * particular file as subject to the "Classpath" exception as provided | |
| 9 | + * by Oracle in the LICENSE file that accompanied this code. | |
| 10 | + * | |
| 11 | + * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 12 | + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 13 | + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 14 | + * version 2 for more details (a copy is included in the LICENSE file that | |
| 15 | + * accompanied this code). | |
| 16 | + * | |
| 17 | + * You should have received a copy of the GNU General Public License version | |
| 18 | + * 2 along with this work; if not, write to the Free Software Foundation, | |
| 19 | + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 20 | + * | |
| 21 | + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | |
| 22 | + * or visit www.oracle.com if you need additional information or have any | |
| 23 | + * questions. | |
| 24 | + */ | |
| 25 | +package javax.swing.text.html; | |
| 26 | + | |
| 27 | +import java.awt.*; | |
| 28 | +import java.awt.event.*; | |
| 29 | +import java.io.*; | |
| 30 | +import java.net.MalformedURLException; | |
| 31 | +import java.net.URL; | |
| 32 | +import javax.swing.text.*; | |
| 33 | +import javax.swing.*; | |
| 34 | +import javax.swing.border.*; | |
| 35 | +import javax.swing.event.*; | |
| 36 | +import java.util.*; | |
| 37 | + | |
| 38 | +/** | |
| 39 | + * CommentView subclasses HiddenTagView to contain a JTextArea showing | |
| 40 | + * a comment. When the textarea is edited the comment is | |
| 41 | + * reset. As this inherits from EditableView if the JTextComponent is | |
| 42 | + * not editable, the textarea will not be visible. | |
| 43 | + * | |
| 44 | + * @author Scott Violet | |
| 45 | + */ | |
| 46 | +class CommentView extends HiddenTagView { | |
| 47 | + CommentView(Element e) { | |
| 48 | + super(e); | |
| 49 | + } | |
| 50 | + | |
| 51 | + protected Component createComponent() { | |
| 52 | + Container host = getContainer(); | |
| 53 | + if (host != null && !((JTextComponent)host).isEditable()) { | |
| 54 | + return null; | |
| 55 | + } | |
| 56 | + JTextArea ta = new JTextArea(getRepresentedText()); | |
| 57 | + Document doc = getDocument(); | |
| 58 | + Font font; | |
| 59 | + if (doc instanceof StyledDocument) { | |
| 60 | + font = ((StyledDocument)doc).getFont(getAttributes()); | |
| 61 | + ta.setFont(font); | |
| 62 | + } | |
| 63 | + else { | |
| 64 | + font = ta.getFont(); | |
| 65 | + } | |
| 66 | + updateYAlign(font); | |
| 67 | + ta.setBorder(CBorder); | |
| 68 | + ta.getDocument().addDocumentListener(this); | |
| 69 | + ta.setFocusable(isVisible()); | |
| 70 | + return ta; | |
| 71 | + } | |
| 72 | + | |
| 73 | + void resetBorder() { | |
| 74 | + } | |
| 75 | + | |
| 76 | + /** | |
| 77 | + * This is subclassed to put the text on the Comment attribute of | |
| 78 | + * the Element's AttributeSet. | |
| 79 | + */ | |
| 80 | + void _updateModelFromText() { | |
| 81 | + JTextComponent textC = getTextComponent(); | |
| 82 | + Document doc = getDocument(); | |
| 83 | + if (textC != null && doc != null) { | |
| 84 | + String text = textC.getText(); | |
| 85 | + SimpleAttributeSet sas = new SimpleAttributeSet(); | |
| 86 | + isSettingAttributes = true; | |
| 87 | + try { | |
| 88 | + sas.addAttribute(HTML.Attribute.COMMENT, text); | |
| 89 | + ((StyledDocument)doc).setCharacterAttributes | |
| 90 | + (getStartOffset(), getEndOffset() - | |
| 91 | + getStartOffset(), sas, false); | |
| 92 | + } | |
| 93 | + finally { | |
| 94 | + isSettingAttributes = false; | |
| 95 | + } | |
| 96 | + } | |
| 97 | + } | |
| 98 | + | |
| 99 | + JTextComponent getTextComponent() { | |
| 100 | + return (JTextComponent)getComponent(); | |
| 101 | + } | |
| 102 | + | |
| 103 | + String getRepresentedText() { | |
| 104 | + AttributeSet as = getElement().getAttributes(); | |
| 105 | + if (as != null) { | |
| 106 | + Object comment = as.getAttribute(HTML.Attribute.COMMENT); | |
| 107 | + if (comment instanceof String) { | |
| 108 | + return (String)comment; | |
| 109 | + } | |
| 110 | + } | |
| 111 | + return ""; | |
| 112 | + } | |
| 113 | + | |
| 114 | + static final Border CBorder = new CommentBorder(); | |
| 115 | + static final int commentPadding = 3; | |
| 116 | + static final int commentPaddingD = commentPadding * 3; | |
| 117 | + | |
| 118 | + static class CommentBorder extends LineBorder { | |
| 119 | + CommentBorder() { | |
| 120 | + super(Color.black, 1); | |
| 121 | + } | |
| 122 | + | |
| 123 | + public void paintBorder(Component c, Graphics g, int x, int y, | |
| 124 | + int width, int height) { | |
| 125 | + super.paintBorder(c, g, x + commentPadding, y, | |
| 126 | + width - commentPaddingD, height); | |
| 127 | + } | |
| 128 | + | |
| 129 | + public Insets getBorderInsets(Component c, Insets insets) { | |
| 130 | + Insets retI = super.getBorderInsets(c, insets); | |
| 131 | + | |
| 132 | + retI.left += commentPadding; | |
| 133 | + retI.right += commentPadding; | |
| 134 | + return retI; | |
| 135 | + } | |
| 136 | + | |
| 137 | + public boolean isBorderOpaque() { | |
| 138 | + return false; | |
| 139 | + } | |
| 140 | + } // End of class CommentView.CommentBorder | |
| 141 | +} // End of CommentView | |