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1
11 package org.eclipse.jdt.internal.ui.viewsupport;
12
13 import java.io.IOException  ;
14 import java.io.Reader ;
15 import java.io.StringReader ;
16 import java.io.StringWriter ;
17 import java.util.HashSet ;
18 import java.util.Set ;
19
20 import org.eclipse.core.runtime.Assert;
21
22 import org.eclipse.core.resources.IProject;
23 import org.eclipse.core.resources.ProjectScope;
24
25 import org.eclipse.jface.text.templates.Template;
26 import org.eclipse.jface.text.templates.persistence.TemplatePersistenceData;
27 import org.eclipse.jface.text.templates.persistence.TemplateReaderWriter;
28 import org.eclipse.jface.text.templates.persistence.TemplateStore;
29
30 import org.eclipse.ui.preferences.ScopedPreferenceStore;
31
32 import org.eclipse.jdt.ui.JavaUI;
33
34 import org.eclipse.jdt.internal.ui.JavaPlugin;
35
36
39 public final class ProjectTemplateStore {
40
41 private static final String KEY= "org.eclipse.jdt.ui.text.custom_code_templates";
43 private final TemplateStore fInstanceStore;
44 private final TemplateStore fProjectStore;
45
46 public ProjectTemplateStore(IProject project) {
47 fInstanceStore= JavaPlugin.getDefault().getCodeTemplateStore();
48 if (project == null) {
49 fProjectStore= null;
50 } else {
51 final ScopedPreferenceStore projectSettings= new ScopedPreferenceStore(new ProjectScope(project), JavaUI.ID_PLUGIN);
52 fProjectStore= new TemplateStore(projectSettings, KEY) {
53
57 public void add(TemplatePersistenceData data) {
58 internalAdd(data);
59 }
60
61 public void save() throws IOException {
62
63 StringWriter output= new StringWriter ();
64 TemplateReaderWriter writer= new TemplateReaderWriter();
65 writer.save(getTemplateData(false), output);
66
67 projectSettings.setValue(KEY, output.toString());
68 projectSettings.save();
69 }
70 };
71 }
72 }
73
74 public static boolean hasProjectSpecificTempates(IProject project) {
75 String pref= new ProjectScope(project).getNode(JavaUI.ID_PLUGIN).get(KEY, null);
76 if (pref != null && pref.trim().length() > 0) {
77 Reader input= new StringReader (pref);
78 TemplateReaderWriter reader= new TemplateReaderWriter();
79 TemplatePersistenceData[] datas;
80 try {
81 datas= reader.read(input);
82 return datas.length > 0;
83 } catch (IOException e) {
84 }
86 }
87 return false;
88 }
89
90
91 public TemplatePersistenceData[] getTemplateData() {
92 if (fProjectStore != null) {
93 return fProjectStore.getTemplateData(true);
94 } else {
95 return fInstanceStore.getTemplateData(true);
96 }
97 }
98
99 public Template findTemplateById(String id) {
100 Template template= null;
101 if (fProjectStore != null)
102 template= fProjectStore.findTemplateById(id);
103 if (template == null)
104 template= fInstanceStore.findTemplateById(id);
105
106 return template;
107 }
108
109 public void load() throws IOException {
110 if (fProjectStore != null) {
111 fProjectStore.load();
112
113 Set datas= new HashSet ();
114 TemplatePersistenceData[] data= fProjectStore.getTemplateData(false);
115 for (int i= 0; i < data.length; i++) {
116 datas.add(data[i].getId());
117 }
118
119 data= fInstanceStore.getTemplateData(false);
120 for (int i= 0; i < data.length; i++) {
121 TemplatePersistenceData orig= data[i];
122 if (!datas.contains(orig.getId())) {
123 TemplatePersistenceData copy= new TemplatePersistenceData(new Template(orig.getTemplate()), orig.isEnabled(), orig.getId());
124 fProjectStore.add(copy);
125 copy.setDeleted(true);
126 }
127 }
128 }
129 }
130
131 public boolean isProjectSpecific(String id) {
132 if (id == null) {
133 return false;
134 }
135
136 if (fProjectStore == null)
137 return false;
138
139 return fProjectStore.findTemplateById(id) != null;
140 }
141
142
143 public void setProjectSpecific(String id, boolean projectSpecific) {
144 Assert.isNotNull(fProjectStore);
145
146 TemplatePersistenceData data= fProjectStore.getTemplateData(id);
147 if (data == null) {
148 return; } else {
150 data.setDeleted(!projectSpecific);
151 }
152 }
153
154 public void restoreDefaults() {
155 if (fProjectStore == null) {
156 fInstanceStore.restoreDefaults();
157 } else {
158 fProjectStore.restoreDefaults();
159 }
160 }
161
162 public void save() throws IOException {
163 if (fProjectStore == null) {
164 fInstanceStore.save();
165 } else {
166 fProjectStore.save();
167 }
168 }
169
170 public void revertChanges() throws IOException {
171 if (fProjectStore != null) {
172 } else {
174 fInstanceStore.load();
175 }
176 }
177 }
178 |
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