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11 package org.eclipse.ui.internal.cheatsheets.composite.model;
12
13 import java.util.HashMap  ;
14 import java.util.Iterator ;
15 import java.util.Map ;
16
17 import org.eclipse.core.runtime.IStatus;
18 import org.eclipse.core.runtime.Status;
19 import org.eclipse.ui.IMemento;
20 import org.eclipse.ui.XMLMemento;
21 import org.eclipse.ui.cheatsheets.ICheatSheetManager;
22 import org.eclipse.ui.internal.cheatsheets.CheatSheetPlugin;
23 import org.eclipse.ui.internal.cheatsheets.composite.parser.ICompositeCheatsheetTags;
24 import org.eclipse.ui.internal.cheatsheets.data.IParserTags;
25 import org.eclipse.ui.internal.cheatsheets.state.ICheatSheetStateManager;
26 import org.eclipse.ui.internal.cheatsheets.state.NoSaveStateManager;
27 import org.eclipse.ui.internal.cheatsheets.views.CheatSheetManager;
28 import org.eclipse.ui.internal.provisional.cheatsheets.ICompositeCheatSheetTask;
29 import org.eclipse.ui.internal.provisional.cheatsheets.IEditableTask;
30 import org.eclipse.ui.internal.provisional.cheatsheets.TaskEditor;
31
32
38
39 public class CompositeCheatSheetSaveHelper {
40 private static final String DOT_XML = ".xml"; private Map taskMementoMap;
42 private ICheatSheetStateManager stateManager;
43
44
47 public CompositeCheatSheetSaveHelper(ICheatSheetStateManager stateManager) {
48 super();
49 this.stateManager = stateManager;
50 }
51
52 public IStatus loadCompositeState(CompositeCheatSheetModel model, Map layoutData) {
53 if (stateManager instanceof NoSaveStateManager) return Status.OK_STATUS;
54 XMLMemento readMemento = CheatSheetPlugin.getPlugin().readMemento(model.getId() + DOT_XML);
55 if (readMemento == null) {
56 return Status.OK_STATUS;
57 }
58 taskMementoMap = createTaskMap(readMemento);
59 loadTaskState(taskMementoMap, (AbstractTask)model.getRootTask());
60 loadCheatsheetManagerData(readMemento, model.getCheatSheetManager());
61 loadLayoutData(readMemento, layoutData);
62 model.sendTaskChangeEvents();
63 return Status.OK_STATUS;
64 }
65
66 private Map createTaskMap(XMLMemento readMemento) {
67 Map map = new HashMap ();
68 IMemento[] tasks = readMemento.getChildren(ICompositeCheatsheetTags.TASK);
69 for (int i = 0; i < tasks.length; i++) {
70 String taskId = tasks[i].getString(ICompositeCheatsheetTags.TASK_ID);
71 if (taskId != null) {
72 map.put(taskId, tasks[i]);
73 }
74 }
75 return map;
76 }
77
78 private void loadTaskState(Map taskMap, AbstractTask task) {
79 ICompositeCheatSheetTask[] children = task.getSubtasks();
80 IMemento memento = (IMemento)taskMap.get(task.getId());
81 if (memento != null) {
82 String state = memento.getString(ICompositeCheatsheetTags.STATE);
83 if (state != null) {
84 task.setStateNoNotify(Integer.parseInt(state));
85 }
86 }
87 if (task instanceof TaskGroup) {
88 for (int i = 0; i < children.length; i++) {
89 loadTaskState(taskMap, (AbstractTask) children[i]);
90 }
91 ((TaskGroup)task).checkState();
92 }
93 }
94
95 private void loadCheatsheetManagerData(XMLMemento readMemento, ICheatSheetManager manager) {
96 if (manager == null) {
97 return;
98 }
99 IMemento[] children = readMemento.getChildren(ICompositeCheatsheetTags.CHEAT_SHEET_MANAGER);
100 for (int i = 0; i < children.length; i++) {
101 IMemento childMemento = children[i];
102 String key = childMemento.getString(ICompositeCheatsheetTags.KEY);
103 String value = childMemento.getString(ICompositeCheatsheetTags.VALUE);
104 manager.setData(key, value);
105 }
106 }
107
108 private void loadLayoutData(XMLMemento readMemento, Map layoutData) {
109 if (layoutData == null) {
110 return;
111 }
112 IMemento[] children = readMemento.getChildren(ICompositeCheatsheetTags.LAYOUT_DATA);
113 for (int i = 0; i < children.length; i++) {
114 IMemento childMemento = children[i];
115 String key = childMemento.getString(ICompositeCheatsheetTags.KEY);
116 String value = childMemento.getString(ICompositeCheatsheetTags.VALUE);
117 layoutData.put(key, value);
118 }
119 }
120
121
128 public IStatus saveCompositeState(CompositeCheatSheetModel model, Map layoutData) {
129 if (stateManager instanceof NoSaveStateManager) return Status.OK_STATUS;
130 XMLMemento writeMemento = XMLMemento.createWriteRoot(ICompositeCheatsheetTags.COMPOSITE_CHEATSHEET_STATE);
131 writeMemento.putString(IParserTags.ID, model.getId());
132 saveTaskState(writeMemento, (AbstractTask)model.getRootTask());
133 saveCheatSheetManagerData(writeMemento, model.getCheatSheetManager());
134 taskMementoMap = createTaskMap(writeMemento);
135 if (layoutData != null) {
136 saveMap(writeMemento, layoutData, ICompositeCheatsheetTags.LAYOUT_DATA);
137 }
138 return CheatSheetPlugin.getPlugin().saveMemento(writeMemento, model.getId() + DOT_XML);
139 }
140
141 private void saveCheatSheetManagerData(XMLMemento writeMemento, ICheatSheetManager manager) {
142 if (!(manager instanceof CheatSheetManager)) {
143 return;
144 }
145 Map data = ((CheatSheetManager)manager).getData();
146 saveMap(writeMemento, data, ICompositeCheatsheetTags.CHEAT_SHEET_MANAGER);
147 }
148
149 private void saveMap(XMLMemento writeMemento, Map data, String tag) {
150 for (Iterator iter = data.keySet().iterator(); iter.hasNext();) {
151 String key = (String )iter.next();
152 String value = (String ) data.get(key);
153 IMemento childMemento = writeMemento.createChild(tag);
154 childMemento.putString(ICompositeCheatsheetTags.KEY, key);
155 childMemento.putString(ICompositeCheatsheetTags.VALUE, value);
156 }
157 }
158
159 private void saveTaskState(IMemento writeMemento, AbstractTask task) {
160 IMemento childMemento = writeMemento.createChild(ICompositeCheatsheetTags.TASK);
161 childMemento.putString(ICompositeCheatsheetTags.TASK_ID, task.getId());
162 childMemento.putString(ICompositeCheatsheetTags.STATE, Integer.toString(task.getState()));
163
164 if (task instanceof IEditableTask && task.getState() != ICompositeCheatSheetTask.NOT_STARTED) {
166 TaskEditor editor = getEditor(task);
167 if (editor != null) {
168 IMemento taskDataMemento = childMemento.createChild(ICompositeCheatsheetTags.TASK_DATA);
169 editor.saveState(taskDataMemento);
170 } else {
171 IMemento taskData = getTaskMemento(task.getId());
173 if (taskData != null) {
174 IMemento previousDataMemento = childMemento.createChild(ICompositeCheatsheetTags.TASK_DATA);
175 previousDataMemento.putMemento(taskData);
176 }
177 }
178 }
179 ICompositeCheatSheetTask[] subtasks = task.getSubtasks();
180 for (int i = 0; i < subtasks.length; i++) {
181 saveTaskState(writeMemento, (AbstractTask)subtasks[i]);
182 }
183 }
184
185 private TaskEditor getEditor(AbstractTask task) {
186 if (task instanceof EditableTask) {
187 return ((EditableTask)task).getEditor();
188 }
189 return null;
190 }
191
192 public IMemento getTaskMemento(String id) {
193 if (taskMementoMap == null) {
194 return null;
195 }
196 IMemento childMemento = (IMemento)taskMementoMap.get(id);
197 if (childMemento == null) {
198 return null;
199 }
200 return childMemento.getChild(ICompositeCheatsheetTags.TASK_DATA);
201 }
202
203 public void clearTaskMementos() {
204 taskMementoMap = null;
205 }
206
207 public void clearTaskMemento(String id) {
208 if (taskMementoMap != null) {
209 taskMementoMap.remove(id);
210 }
211 }
212
213 }
214 |
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