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11 package org.eclipse.pde.internal.ui.wizards;
12
13 import java.util.MissingResourceException  ;
14 import java.util.ResourceBundle ;
15
16 import org.eclipse.core.runtime.CoreException;
17 import org.eclipse.core.runtime.IConfigurationElement;
18 import org.eclipse.core.runtime.Platform;
19 import org.eclipse.pde.internal.ui.elements.NamedElement;
20 import org.eclipse.swt.graphics.Image;
21 import org.eclipse.ui.IPluginContribution;
22 import org.osgi.framework.Bundle;
23
24 public class WizardElement extends NamedElement implements IPluginContribution {
25 public static final String ATT_NAME = "name";
27 public static final String TAG_DESCRIPTION = "description";
29 public static final String ATT_ICON = "icon";
31 public static final String ATT_ID = "id";
33 public static final String ATT_CLASS = "class";
35 public static final String ATT_TEMPLATE = "template";
37 public static final String ATT_POINT = "point";
39 private String description;
40
41 private IConfigurationElement configurationElement;
42
43 private IConfigurationElement template;
44
45 public WizardElement(IConfigurationElement config) {
46 super(config.getAttribute(ATT_NAME));
47 this.configurationElement = config;
48 }
49
50 public Object createExecutableExtension() throws CoreException {
51 return configurationElement.createExecutableExtension(ATT_CLASS);
52 }
53
54 public IConfigurationElement getConfigurationElement() {
55 return configurationElement;
56 }
57
58 public String getDescription() {
59 if (description == null) {
60 IConfigurationElement[] children = configurationElement
61 .getChildren(TAG_DESCRIPTION);
62 if (children.length > 0) {
63 description = expandDescription(children[0].getValue());
64 }
65 }
66 return description;
67 }
68
69
76 private String expandDescription(String source) {
77 if (source == null || source.length() == 0)
78 return source;
79 if (source.indexOf('%') == -1)
80 return source;
81
82 Bundle bundle = Platform.getBundle(configurationElement.getNamespaceIdentifier());
83 if (bundle == null)
84 return source;
85
86 ResourceBundle resourceBundle = Platform.getResourceBundle(bundle);
87 if (resourceBundle == null)
88 return source;
89 StringBuffer buf = new StringBuffer ();
90 boolean keyMode = false;
91 int keyStartIndex = -1;
92 for (int i = 0; i < source.length(); i++) {
93 char c = source.charAt(i);
94 if (c == '%') {
95 char c2 = source.charAt(i + 1);
96 if (c2 == '%') {
97 i++;
98 buf.append('%');
99 continue;
100 }
101 if (keyMode) {
102 keyMode = false;
103 String key = source.substring(keyStartIndex, i);
104 String value = key;
105 try {
106 value = resourceBundle.getString(key);
107 } catch (MissingResourceException e) {
108 }
109 buf.append(value);
110 } else {
111 keyStartIndex = i + 1;
112 keyMode = true;
113 }
114 } else if (!keyMode) {
115 buf.append(c);
116 }
117 }
118 return buf.toString();
119 }
120
121 public String getID() {
122 return configurationElement.getAttribute(ATT_ID);
123 }
124
125 public void setImage(Image image) {
126 this.image = image;
127 }
128
129 public String getTemplateId() {
130 return configurationElement.getAttribute(ATT_TEMPLATE);
131 }
132
133 public boolean isTemplate() {
134 return getTemplateId() != null;
135 }
136
137 public IConfigurationElement getTemplateElement() {
138 if (template == null)
139 template = findTemplateElement();
140 return template;
141 }
142
143 private IConfigurationElement findTemplateElement() {
144 String templateId = getTemplateId();
145 if (templateId == null)
146 return null;
147 IConfigurationElement[] templates = Platform.getExtensionRegistry()
148 .getConfigurationElementsFor("org.eclipse.pde.ui.templates"); for (int i = 0; i < templates.length; i++) {
150 IConfigurationElement template = templates[i];
151 String id = template.getAttribute("id"); if (id != null && id.equals(templateId))
153 return template;
154 }
155 return null;
156 }
157
158 public String getContributingId() {
159 IConfigurationElement tel = getTemplateElement();
160 return (tel == null) ? null : tel.getAttribute("contributingId"); }
162
165 public String getLocalId() {
166 return getID();
167 }
168
171 public String getPluginId() {
172 return null;
173 }
174 }
175 |
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