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1
5 package com.nightlabs.base.entitylist;
6
7 import java.util.ArrayList  ;
8 import java.util.Collection ;
9 import java.util.HashMap ;
10 import java.util.Iterator ;
11 import java.util.Map ;
12 import java.util.Set ;
13
14 import org.eclipse.jface.viewers.ISelectionChangedListener;
15 import org.eclipse.swt.widgets.Composite;
16 import org.eclipse.ui.IPartListener2;
17 import org.eclipse.ui.IWorkbenchPartReference;
18 import org.eclipse.ui.PartInitException;
19 import org.eclipse.ui.part.ViewPart;
20
21
26 public abstract class AbstractEntityListView extends ViewPart implements EntityManagementViewStateChangedListener
27 {
28
29 private Map entityLists;
30 private String activeManagementViewID;
31
32
38 public abstract String getViewID();
39
40 private class EntityManagementViewListener implements IPartListener2
41 {
42 private AbstractEntityListView elv;
43 public EntityManagementViewListener(AbstractEntityListView elv)
44 {
45 this.elv = elv;
46 }
47
48 public void partActivated(IWorkbenchPartReference partRef)
49 {
50 Object o = partRef.getPart(false);
51 if(o instanceof EntityManagementView)
52 elv.viewActivated(partRef.getId());
53 }
54
55 public void partBroughtToTop(IWorkbenchPartReference partRef)
56 {
57 }
59
60 public void partClosed(IWorkbenchPartReference partRef)
61 {
62 if (partRef.getId().equals(elv.activeManagementViewID))
63 elv.activeManagementViewID = null;
64 }
65
66 public void partDeactivated(IWorkbenchPartReference partRef)
67 {
68 }
69
70 public void partOpened(IWorkbenchPartReference partRef)
71 {
72 }
74
75 public void partHidden(IWorkbenchPartReference partRef)
76 {
77 }
78
79 public void partVisible(IWorkbenchPartReference partRef)
80 {
81 }
83
84 public void partInputChanged(IWorkbenchPartReference partRef)
85 {
86 }
87
88 }
89 private EntityManagementViewListener emvListener;
90
91
92 public AbstractEntityListView()
93 {
94 super();
95 entityLists = new HashMap ();
96 }
97
98 public abstract void createEntityListControl(Composite parent);
99
100 public void createPartControl(Composite parent) {
101 createEntityListControl(parent);
102
103 emvListener = new EntityManagementViewListener(this);
104 getViewSite().getPage().addPartListener(emvListener);
105
106 Collection registeredEntityLists = EntityListRegistry.getSharedInstance().getEntityLists(getViewID());
107 if (registeredEntityLists != null) {
108 int i = 0;
109 String selectEntityID = null;
110 for (Iterator iter = registeredEntityLists.iterator(); iter.hasNext();) {
111 EntityList el = (EntityList) iter.next();
112 addEntityList(el);
113 if (i == 0)
114 selectEntityID = el.getID();
115 ++i;
116 }
117 setSelectedEntityList(selectEntityID);
118 showManagerViews(selectEntityID);
119 }
120 }
121
122 public abstract void setFocus();
123
124
131 protected abstract ISelectionChangedListener createListChangeListener();
132
133
134 private static Collection EMPTY_COLLECTION = new ArrayList ();
135
136 public abstract void refresh();
137
138 public abstract String getSelectedListID();
139
140 public abstract void setSelectedEntityList(String entityListID);
141
142 private void addEntityList(EntityList el)
143 {
144 if(!entityLists.containsValue(el))
145 {
146 entityLists.put(el.getID(), el);
147 entityListAdded(el);
148 }
149 }
150
151 protected abstract void entityListAdded(EntityList el);
152
153
154 protected void showManagerViews(String entityListID)
155 {
156 try
157 {
158 Set entityManagers = EntityManagerViewRegistry.getSharedInstance().getManagerViewsForEntityID(
159 getViewID(),
160 entityListID
161 );
162
163 if(entityManagers == null)
164 return;
165
166 if(activeManagementViewID != null)
167 {
168 if(entityManagers.contains(activeManagementViewID))
169 return;
170 }
171
172 if (entityManagers != null) {
173 for (Iterator iter = entityManagers.iterator(); iter.hasNext();) {
174 String viewID = (String ) iter.next();
175 getViewSite().getPage().showView(viewID);
176 activeManagementViewID = viewID;
177 }
178 }
179 }
180 catch (PartInitException e)
181 {
182 throw new RuntimeException (e);
183 }
184 }
185
186 protected void entityListSelected(String entityListID) {
187 showManagerViews(entityListID);
188 }
189
190
191 public void viewActivated(String viewID)
192 {
193 Set lists = EntityManagerViewRegistry.getSharedInstance().getManagedEntitiesForManagerViewID(viewID);
194 if(lists == null)
195 return;
196 Iterator i = lists.iterator();
197 String showLid = null;
198 while(i.hasNext())
199 {
200 String lid = (String )i.next();
201 if(lid.equals(getSelectedListID()))
202 {
203 refresh();
204 return;
205 }
206 else
207 showLid = lid;
208 }
209 if(showLid != null)
210 setSelectedEntityList(showLid);
211 }
212
213 protected Map getEntityLists() {
214 return entityLists;
215 }
216
217 public void dispose()
218 {
219 super.dispose();
220 getViewSite().getPage().removePartListener(emvListener);
221 }
222
223 }
224 |
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