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1 | /* |
2 | GNU Lesser General Public License | |
3 | ||
4 | ExtendedHTMLEditorKit | |
b6b7ed68 | 5 | Copyright (C) 2001 Frits Jalvingh, Jerry Pommer & Howard Kistler |
c2da4d40 JL |
6 | |
7 | This library is free software; you can redistribute it and/or | |
8 | modify it under the terms of the GNU Lesser General Public | |
9 | License as published by the Free Software Foundation; either | |
10 | version 2.1 of the License, or (at your option) any later version. | |
11 | ||
12 | This library is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
15 | Lesser General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU Lesser General Public | |
18 | License along with this library; if not, write to the Free Software | |
19 | Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
20 | */ | |
21 | ||
22 | package com.hexidec.ekit.component; | |
23 | ||
b6b7ed68 | 24 | import javax.swing.text.Document; |
c2da4d40 JL |
25 | import javax.swing.text.Element; |
26 | import javax.swing.text.StyleConstants; | |
27 | import javax.swing.text.View; | |
28 | import javax.swing.text.ViewFactory; | |
29 | import javax.swing.text.html.HTML; | |
30 | import javax.swing.text.html.HTMLEditorKit; | |
b6b7ed68 | 31 | import javax.swing.text.html.StyleSheet; |
c2da4d40 | 32 | |
c2da4d40 | 33 | import com.hexidec.ekit.component.ExtendedHTMLDocument; |
c2da4d40 JL |
34 | |
35 | /** | |
36 | * This class extends HTMLEditorKit so that it can provide other renderer classes | |
37 | * instead of the defaults. Most important is the part which renders relative | |
38 | * image paths. | |
39 | * | |
40 | * @author <a href="mailto:jal@grimor.com">Frits Jalvingh</a> | |
41 | * @version 1.0 | |
42 | */ | |
43 | ||
44 | public class ExtendedHTMLEditorKit extends HTMLEditorKit | |
45 | { | |
c47fa64d JL |
46 | private String BaseUrl = ""; |
47 | ||
c2da4d40 JL |
48 | /** Constructor |
49 | */ | |
50 | public ExtendedHTMLEditorKit() | |
51 | { | |
52 | } | |
c47fa64d JL |
53 | |
54 | public ExtendedHTMLEditorKit(String baseurl) | |
55 | { | |
56 | BaseUrl = baseurl; | |
57 | } | |
c2da4d40 JL |
58 | |
59 | /** Method for returning a ViewFactory which handles the image rendering. | |
60 | */ | |
61 | public ViewFactory getViewFactory() | |
62 | { | |
c47fa64d | 63 | return new HTMLFactoryExtended(BaseUrl); |
c2da4d40 JL |
64 | } |
65 | ||
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66 | public Document createDefaultDocument() |
67 | { | |
68 | StyleSheet styles = getStyleSheet(); | |
69 | StyleSheet ss = new StyleSheet(); | |
70 | ss.addStyleSheet(styles); | |
71 | ExtendedHTMLDocument doc = new ExtendedHTMLDocument(ss); | |
72 | doc.setParser(getParser()); | |
73 | doc.setAsynchronousLoadPriority(4); | |
74 | doc.setTokenThreshold(100); | |
75 | return doc; | |
c2da4d40 JL |
76 | } |
77 | ||
78 | /* Inner Classes --------------------------------------------- */ | |
79 | ||
80 | /** Class that replaces the default ViewFactory and supports | |
81 | * the proper rendering of both URL-based and local images. | |
82 | */ | |
83 | public static class HTMLFactoryExtended extends HTMLFactory implements ViewFactory | |
84 | { | |
c47fa64d JL |
85 | private String BaseUrl; |
86 | ||
c2da4d40 JL |
87 | /** Constructor |
88 | */ | |
c47fa64d | 89 | public HTMLFactoryExtended(String baseurl) |
c2da4d40 | 90 | { |
c47fa64d | 91 | BaseUrl = baseurl; |
c2da4d40 JL |
92 | } |
93 | ||
94 | /** Method to handle IMG tags and | |
95 | * invoke the image loader. | |
96 | */ | |
97 | public View create(Element elem) | |
98 | { | |
99 | Object obj = elem.getAttributes().getAttribute(StyleConstants.NameAttribute); | |
100 | if(obj instanceof HTML.Tag) | |
101 | { | |
102 | HTML.Tag tagType = (HTML.Tag)obj; | |
103 | if(tagType == HTML.Tag.IMG) | |
104 | { | |
c47fa64d | 105 | return new RelativeImageView(elem,BaseUrl); |
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106 | } |
107 | } | |
108 | return super.create(elem); | |
109 | } | |
110 | } | |
111 | } |