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1
38 package com.gargoylesoftware.htmlunit.javascript.host;
39
40 import com.gargoylesoftware.htmlunit.Assert;
41 import com.gargoylesoftware.htmlunit.javascript.SimpleScriptable;
42
43 import java.text.MessageFormat  ;
44 import java.text.ParseException ;
45 import java.util.Iterator ;
46 import java.util.Map ;
47 import java.util.SortedMap ;
48 import java.util.StringTokenizer ;
49 import java.util.TreeMap ;
50 import org.mozilla.javascript.Scriptable;
51
52
61 public class Style extends SimpleScriptable {
62 private static final long serialVersionUID = -1976370264911039311L;
63 private static final MessageFormat URL_FORMAT = new MessageFormat ("url({0})");
64 private HTMLElement jsElement_;
65
66
69 public Style() {
70 }
71
72
73
77 public void initialize( final HTMLElement htmlElement ) {
78 Assert.notNull("htmlElement", htmlElement);
80 jsElement_ = htmlElement;
81
82 if (htmlElement.getHtmlElementOrDie().getPage().getWebClient().getBrowserVersion().isIE()) {
83 for (Iterator i = getStyleMap().entrySet().iterator(); i.hasNext();) {
85 final Map.Entry entry = (Map.Entry ) i.next();
86 final String key = (String ) entry.getKey();
87 if ("behavior".equals(key)) {
88 final String value = (String ) entry.getValue();
89 try {
90 final Object [] url = URL_FORMAT.parse(value);
91 if (url.length > 0) {
92 jsElement_.jsxFunction_addBehavior((String ) url[0]);
93 break;
94 }
95 }
96 catch (final ParseException e) {
97 getLog().warn("Invalid behavior: '" + value + "'.");
98 }
99 }
100 }
101 }
102 }
103
104
105
111 public Object get( final String name, final Scriptable start ) {
112 final Object result = super.get(name, start);
113
114 if( jsElement_ == null || result != NOT_FOUND ) {
117 return result;
118 }
119
120 final Object value = getStyleMap().get(name);
121 if( value == null ) {
122 return "";
123 }
124 else {
125 return value;
126 }
127 }
128
129
130
136 public void put( final String name, final Scriptable start, final Object newValue ) {
137 if( jsElement_ == null ) {
141 super.put(name, start, newValue);
142 return;
143 }
144
145 final Map styleMap = getStyleMap();
146 styleMap.put( name, newValue );
147
148 final StringBuffer buffer = new StringBuffer ();
149
150 final Iterator iterator = styleMap.entrySet().iterator();
151 while( iterator.hasNext() ) {
152 final Map.Entry entry = (Map.Entry )iterator.next();
153 buffer.append( entry.getKey() );
154 buffer.append( ": " );
155 buffer.append( entry.getValue() );
156 buffer.append( "; " );
157 }
158 jsElement_.getHtmlElementOrDie().setAttributeValue("style", buffer.toString());
159 }
160
161
162 private Map getStyleMap() {
163 final SortedMap styleMap = new TreeMap ();
165
166 final String styleAttribute = jsElement_.getHtmlElementOrDie().getAttributeValue("style");
167 final StringTokenizer tokenizer = new StringTokenizer (styleAttribute, ";");
168 while( tokenizer.hasMoreTokens() ) {
169 final String token = tokenizer.nextToken();
170 final int index = token.indexOf(":");
171 if( index != -1 ) {
172 final String key = token.substring(0,index).trim();
173 final String value = token.substring(index+1).trim();
174
175 styleMap.put( key, value );
176 }
177 }
178
179 return styleMap;
180 }
181 }
182 |
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