J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 1998-2004 Sun Microsystems, Inc. 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. Sun designates this |
| 8 | * particular file as subject to the "Classpath" exception as provided |
| 9 | * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| 22 | * CA 95054 USA or visit www.sun.com if you need additional information or |
| 23 | * have any 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 |