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11 package org.eclipse.pde.internal.ui.nls;
12
13 import java.util.Properties  ;
14
15 import org.eclipse.core.runtime.CoreException;
16 import org.eclipse.pde.core.plugin.IFragmentModel;
17 import org.eclipse.pde.internal.core.text.IDocumentAttribute;
18 import org.eclipse.pde.internal.core.text.IDocumentTextNode;
19 import org.eclipse.pde.internal.core.text.bundle.ManifestHeader;
20 import org.eclipse.pde.internal.core.text.plugin.PluginAttribute;
21 import org.eclipse.pde.internal.core.text.plugin.PluginElementNode;
22 import org.eclipse.pde.internal.core.text.plugin.PluginExtensionPointNode;
23
24 public class ModelChangeElement {
25
26 private static final String DELIM = "."; private static final String KEY_PREFIX = "%"; private static final String FRAGMENT_PREFIX = "f";
30 private String fValue = ""; private String fKey = ""; private int fOffset = 0;
33 private int fLength = 0;
34 private boolean fExternalized = true;
35 private ModelChange fParent;
36 private Object fUnderlying;
37
38 public ModelChangeElement(ModelChange parent, Object incoming) {
39 fParent = parent;
40 fUnderlying = incoming;
41 if (incoming instanceof PluginElementNode) {
42 PluginElementNode elem = (PluginElementNode)incoming;
43 IDocumentTextNode text = elem.getTextNode();
44 fValue = elem.getText();
45 generateValidKey(elem.getParent().getName(), elem.getName());
46 fOffset = text.getOffset();
47 fLength = text.getLength();
48 } else if (incoming instanceof PluginAttribute) {
49 PluginAttribute attr = (PluginAttribute)incoming;
50 fValue = attr.getValue();
51 generateValidKey(attr.getEnclosingElement().getXMLTagName(), attr.getName());
52 fOffset = attr.getValueOffset();
53 fLength = attr.getValueLength();
54 } else if (incoming instanceof PluginExtensionPointNode) {
55 PluginExtensionPointNode extP = (PluginExtensionPointNode)incoming;
56 fValue = extP.getName();
57 generateValidKey("extension-point", "name"); IDocumentAttribute attr = extP.getDocumentAttribute("name"); fOffset = attr.getValueOffset();
60 fLength = attr.getValueLength();
61 } else if (incoming instanceof ManifestHeader) {
62 ManifestHeader header = (ManifestHeader)incoming;
63 fValue = header.getValue();
64 generateValidKey(header.getName());
65 fLength = fValue.length();
66 fOffset = header.getOffset() + header.getLength() - header.getLineLimiter().length() - fLength;
67 }
68 }
69
70 public String getKey() {
71 return fKey;
72 }
73 public void setKey(String key) {
74 fKey = key;
75 }
76 public String getValue() {
77 return fValue;
78 }
79 public void setValue(String value) {
80 fValue = value;
81 }
82 public boolean isExternalized() {
83 return fExternalized;
84 }
85 public void setExternalized(boolean externalzied) {
86 fExternalized = externalzied;
87 }
88 public int getOffset() {
89 return fOffset;
90 }
91 public int getLength() {
92 return fLength;
93 }
94
95 private void generateValidKey(String pre, String mid) {
96 generateValidKey(pre + DELIM + mid);
97 }
98
99 private void generateValidKey(String key) {
100 int suffix = 0;
101 Properties properties = fParent.getProperties();
102 String newKey = fParent.getParentModel() instanceof IFragmentModel ?
103 key + DELIM + FRAGMENT_PREFIX :
104 key + DELIM;
105 while (properties.containsKey(newKey + suffix))
106 suffix += 1;
107 properties.setProperty(newKey + suffix, fValue);
108 fKey = newKey + suffix;
109 }
110 public String getExternKey() {
111 return KEY_PREFIX + fKey;
112 }
113
114 public boolean updateValue() {
115 try {
116 String key = getExternKey();
117 if (fUnderlying instanceof PluginElementNode) {
118 PluginElementNode elem = (PluginElementNode)fUnderlying;
119 elem.setText(key);
120 } else if (fUnderlying instanceof PluginAttribute) {
121 PluginAttribute attr = (PluginAttribute)fUnderlying;
122 String attrName = attr.getName();
123 attr.getEnclosingElement().setXMLAttribute(attrName, key);
124 } else if (fUnderlying instanceof PluginExtensionPointNode) {
125 PluginExtensionPointNode extP = (PluginExtensionPointNode)fUnderlying;
126 extP.setName(key);
127 } else if (fUnderlying instanceof ManifestHeader) {
128 ManifestHeader header = (ManifestHeader)fUnderlying;
129 header.setValue(key);
130 } else
131 return false;
132 } catch (CoreException e) {
133 return false;
134 }
135 return true;
136 }
137 }
138 |
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