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1
11 package org.eclipse.ui.internal.cheatsheets.data;
12
13 import java.io.IOException  ;
14 import java.io.InputStream ;
15 import java.net.URL ;
16 import java.util.ArrayList ;
17 import java.util.Hashtable ;
18 import java.util.Iterator ;
19 import java.util.List ;
20 import java.util.Map ;
21 import java.util.Properties ;
22
23 import javax.xml.parsers.DocumentBuilder ;
24
25 import org.eclipse.core.runtime.IPath;
26 import org.eclipse.core.runtime.IStatus;
27 import org.eclipse.core.runtime.Path;
28 import org.eclipse.core.runtime.Status;
29 import org.eclipse.osgi.util.NLS;
30 import org.eclipse.ui.IMemento;
31 import org.eclipse.ui.XMLMemento;
32 import org.eclipse.ui.internal.cheatsheets.CheatSheetPlugin;
33 import org.eclipse.ui.internal.cheatsheets.ICheatSheetResource;
34 import org.eclipse.ui.internal.cheatsheets.Messages;
35 import org.eclipse.ui.internal.cheatsheets.views.CheatSheetManager;
36 import org.eclipse.ui.internal.cheatsheets.views.CoreItem;
37 import org.eclipse.ui.internal.cheatsheets.views.SubItemCompositeHolder;
38 import org.eclipse.ui.internal.cheatsheets.views.ViewItem;
39 import org.w3c.dom.Document ;
40 import org.w3c.dom.NamedNodeMap ;
41 import org.xml.sax.InputSource ;
42
43 public class CheatSheetSaveHelper {
44
45 protected IPath savePath;
48
49 private static final String DOT_XML = ".xml";
51
54 public CheatSheetSaveHelper() {
55 super();
56 savePath = CheatSheetPlugin.getPlugin().getStateLocation();
57 }
58
59
60
70 public Properties createProperties(int currentItemNum, ArrayList items,
71 boolean buttonIsDown, ArrayList expandRestoreStates, String csID, String contentPath) {
72 Properties props = new Properties ();
73 Hashtable subcompletedTable = new Hashtable (10);
74 Hashtable subskippedTable = new Hashtable (10);
75
76 int buttonState = 0;
77 if (buttonIsDown)
78 buttonState = 1;
79
80 props.put(IParserTags.ID, csID);
81 props.put(IParserTags.CURRENT, Integer.toString(currentItemNum));
82 if (contentPath != null) {
83 props.put(IParserTags.CONTENT_URL, contentPath);
84 }
85 ArrayList completedList = new ArrayList ();
86 ArrayList expandedList = new ArrayList ();
87
88 if (expandRestoreStates == null)
89 expandRestoreStates = new ArrayList ();
90
91 for (int i = 0; i < items.size(); i++) {
93 ViewItem item = (ViewItem) items.get(i);
94 if (item.isCompleted()) {
95 completedList.add(Integer.toString(i));
96 }
97 if (item.isExpanded()) {
98 expandedList.add(Integer.toString(i));
99 }
100
101 if (item instanceof CoreItem) {
102 CoreItem withsubs = (CoreItem) item;
103 ArrayList compList = withsubs
104 .getListOfSubItemCompositeHolders();
105 if (compList != null) {
106 StringBuffer skippedsubItems = new StringBuffer ();
107 StringBuffer completedsubItems = new StringBuffer ();
108 for (int j = 0; j < compList.size(); j++) {
109 SubItemCompositeHolder sch = (SubItemCompositeHolder) compList
110 .get(j);
111 if (sch.isCompleted())
112 completedsubItems.append(Integer.toString(j) + ","); if (sch.isSkipped())
114 skippedsubItems.append(Integer.toString(j) + ","); }
116 if (completedsubItems.toString().length() > 0) {
117 String csi = completedsubItems.toString();
118 if (csi.endsWith(",")) csi = csi.substring(0, csi.length() - 1);
120 subcompletedTable.put(Integer.toString(i), csi);
121
122 }
123 if (skippedsubItems.toString().length() > 0) {
124 String csi = skippedsubItems.toString();
125 if (csi.endsWith(",")) csi = csi.substring(0, csi.length() - 1);
127 subskippedTable.put(Integer.toString(i), csi);
128 }
129 }
130 }
131 }
132
133 props.put(IParserTags.COMPLETED, completedList);
135 props.put(IParserTags.EXPANDED, expandedList);
136 props.put(IParserTags.EXPANDRESTORE, expandRestoreStates);
137 props.put(IParserTags.BUTTON, Integer.toString(buttonState));
138 if (subcompletedTable != null)
139 props.put(IParserTags.SUBITEMCOMPLETED, subcompletedTable);
140 if (subskippedTable != null)
141 props.put(IParserTags.SUBITEMSKIPPED, subskippedTable);
142
143 return props;
144 }
145
146
149 protected String getAttributeWithName(NamedNodeMap map, String name) {
150 try {
151 return map.getNamedItem(name).getNodeValue();
152 } catch (Exception e) {
153 return null;
154 }
155 }
156
157 public Path getStateFile(String csID) {
158 return getStateFile(csID, savePath);
159 }
160
161 protected Path getStateFile(String csID, IPath rootPath) {
162 return new Path(rootPath.append(csID + ".xml").toOSString()); }
164
165 protected Document readXMLFile(URL url) {
169 InputStream is = null;
170 InputSource source = null;
171
172 try {
173 is = url.openStream();
174 if (is != null) {
175 source = new InputSource (is);
176 }
177 } catch (Exception e) {
178 return null;
179 }
180
181 if (source == null)
182 return null;
183
184 try {
185 DocumentBuilder documentBuilder = CheatSheetPlugin.getPlugin()
186 .getDocumentBuilder();
187 return documentBuilder.parse(source);
188 } catch (Exception e) {
189 } finally {
190 try {
191 if (is != null)
192 is.close();
193 } catch (IOException ioe) {
194 }
195 }
196
197 return null;
198 }
199
200
205 public IStatus saveState(Properties properties, CheatSheetManager csm) {
206 String csID = (String ) properties.get(IParserTags.ID);
207 XMLMemento writeMemento = XMLMemento.createWriteRoot(IParserTags.CHEATSHEET_STATE);
208 IStatus status = saveToMemento(properties, csm, writeMemento);
209 if (!status.isOK()) {
210 return status;
211 }
212 return CheatSheetPlugin.getPlugin().saveMemento(writeMemento, csID + DOT_XML);
213 }
214
215 public IStatus saveToMemento(Properties properties, CheatSheetManager csm, IMemento writeMemento) {
216
217 String csID = (String ) properties.get(IParserTags.ID);
218 try {
219 writeMemento.putString(IParserTags.BUTTONSTATE, (String ) properties
220 .get(IParserTags.BUTTON));
221 writeMemento.putString(IParserTags.ITEM, (String ) properties.get(IParserTags.CURRENT));
222 writeMemento.putString(IParserTags.ID, (String )properties.get(IParserTags.ID));
223 String contentPath = (String )properties.get(IParserTags.CONTENT_URL);
224 if (contentPath != null) {
225 writeMemento.putString(IParserTags.CONTENT_URL, contentPath);
226 }
227
228 addListOfStringsToMemento(writeMemento, properties, IParserTags.COMPLETED);
229 addListOfStringsToMemento(writeMemento, properties, IParserTags.EXPANDED);
230 addListOfStringsToMemento(writeMemento, properties, IParserTags.EXPANDRESTORE);
231
232 addMapToMemento(writeMemento, csm.getData(), IParserTags.MANAGERDATA);
233 addMapToMemento(writeMemento, (Map )properties.get(IParserTags.SUBITEMCOMPLETED), IParserTags.SUBITEMCOMPLETED);
234 addMapToMemento(writeMemento, (Map )properties.get(IParserTags.SUBITEMSKIPPED), IParserTags.SUBITEMSKIPPED);
235
236 } catch (Exception e) {
237 String message = NLS.bind(Messages.ERROR_SAVING_STATEFILE_URL,
238 (new Object [] { csID }));
239 IStatus status = new Status(IStatus.ERROR,
240 ICheatSheetResource.CHEAT_SHEET_PLUGIN_ID, IStatus.OK,
241 message, e);
242 return status;
243 }
245 return Status.OK_STATUS;
246 }
247
248
252 public Properties loadState(String csID) {
253 XMLMemento readMemento = CheatSheetPlugin.getPlugin().readMemento(csID + DOT_XML);
254 if (readMemento == null) {
255 return null;
256 }
257 return loadFromMemento(readMemento);
258 }
259
260 public Properties loadFromMemento(IMemento memento) {
261 Properties properties = new Properties ();
262 properties.put(IParserTags.BUTTON, memento.getString(IParserTags.BUTTONSTATE));
263 properties.put(IParserTags.CURRENT, memento.getString(IParserTags.ITEM));
264 properties.put(IParserTags.ID, memento.getString(IParserTags.ID));
265 String contentURL = memento.getString(IParserTags.CONTENT_URL);
266 if (contentURL != null) {
267 properties.put(IParserTags.CONTENT_URL, contentURL);
268 }
269
270 getListOfStringsFromMemento(memento, properties, IParserTags.COMPLETED);
271 getListOfStringsFromMemento(memento, properties, IParserTags.EXPANDED);
272 getListOfStringsFromMemento(memento, properties, IParserTags.EXPANDRESTORE);
273
274 getMapFromMemento(memento, properties, IParserTags.SUBITEMCOMPLETED);
275 getMapFromMemento(memento, properties, IParserTags.SUBITEMSKIPPED);
276 getMapFromMemento(memento, properties, IParserTags.MANAGERDATA);
277 return properties;
278 }
279
280 private void addListOfStringsToMemento(IMemento memento, Properties properties, String key) {
281 List list = (List )properties.get(key);
282 if (list == null) {
283 return;
284 }
285 for (Iterator iter = list.iterator(); iter.hasNext();) {
286 IMemento childMemento = memento.createChild(key);
287 childMemento.putString(IParserTags.ITEM,(String )iter.next());
288 }
289 }
290
291
292 private void addMapToMemento(IMemento memento, Map map, String mapName) {
293 if (map == null) {
294 return;
295 }
296 for (Iterator iter = map.keySet().iterator(); iter.hasNext();) {
297 IMemento childMemento = memento.createChild(mapName);
298 String itemKey = (String )iter.next();
299 childMemento.putString(IParserTags.MANAGERDATAKEY,(itemKey));
300 childMemento.putString(IParserTags.MANAGERDATAVALUE,(String )map.get(itemKey));
301 }
302 }
303
304
305 private void getMapFromMemento(IMemento memento, Properties properties, String mapName) {
306 IMemento[] children = memento.getChildren(mapName);
307 Map map = new Hashtable ();
308 for (int i = 0; i < children.length; i++) {
309 map.put(children[i].getString(IParserTags.MANAGERDATAKEY),
310 children[i].getString(IParserTags.MANAGERDATAVALUE));
311 }
312 properties.put(mapName, map);
313 }
314
315 private void getListOfStringsFromMemento(IMemento memento, Properties properties, String key) {
316 IMemento[] children = memento.getChildren(key);
317 List list = new ArrayList ();
318 for (int i = 0; i < children.length; i++) {
319 list.add(children[i].getString(IParserTags.ITEM));
320 }
321 properties.put(key, list);
322 }
323
324 }
325 |
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