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1
17 package org.eclipse.emf.mapping.action;
18
19
20 import java.util.Collection  ;
21 import java.util.EventObject ;
22 import java.util.HashSet ;
23 import java.util.Iterator ;
24
25 import org.eclipse.jface.action.Action;
26 import org.eclipse.jface.action.IAction;
27 import org.eclipse.jface.resource.ImageDescriptor;
28 import org.eclipse.jface.viewers.ISelection;
29 import org.eclipse.jface.viewers.ISelectionProvider;
30 import org.eclipse.ui.IWorkbenchPart;
31
32 import org.eclipse.emf.common.command.Command;
33 import org.eclipse.emf.common.command.CommandStackListener;
34 import org.eclipse.emf.common.command.CompoundCommand;
35 import org.eclipse.emf.edit.command.CommandActionDelegate;
36 import org.eclipse.emf.edit.command.CommandParameter;
37 import org.eclipse.emf.edit.domain.EditingDomain;
38 import org.eclipse.emf.edit.ui.action.CommandAction;
39 import org.eclipse.emf.edit.ui.provider.ExtendedImageRegistry;
40 import org.eclipse.emf.mapping.Mapping;
41 import org.eclipse.emf.mapping.MappingPlugin;
42 import org.eclipse.emf.mapping.MappingRoot;
43 import org.eclipse.emf.mapping.command.CreateMappingCommand;
44 import org.eclipse.emf.mapping.command.TypeMatchMappingCommand;
45 import org.eclipse.emf.mapping.domain.MappingDomain;
46 import org.eclipse.emf.mapping.presentation.IComposedSelection;
47 import org.eclipse.emf.mapping.presentation.MappingUIPlugin;
48
49
50
52 public class TypeMatchMappingAction extends CommandAction implements CommandStackListener
53 {
54 public void setActiveWorkbenchPart(IWorkbenchPart workbenchPart)
55 {
56 if (editingDomain != null)
57 {
58 editingDomain.getCommandStack().removeCommandStackListener(this);
59 }
60
61 super.setActiveWorkbenchPart(workbenchPart);
62
63 if (editingDomain != null)
64 {
65 editingDomain.getCommandStack().addCommandStackListener(this);
66 }
67 }
68
69 public void commandStackChanged(EventObject event)
70 {
71 selectionChanged(action, ((ISelectionProvider)workbenchPart).getSelection());
72 }
73
74 public void selectionChanged(IAction action, ISelection selection)
75 {
76 if (selection instanceof IComposedSelection)
77 {
78 super.selectionChanged(action,((IComposedSelection)selection).getCombinedSelection());
79 }
80 else
81 {
82 super.selectionChanged(action, selection);
83 }
84 }
85
86
89 protected Object getDefaultImage()
90 {
91 return MappingUIPlugin.getPlugin().getImage("full/etool16/MatchByType");
92 }
93
94 public static class DelegateCommand extends CompoundCommand implements CommandActionDelegate
95 {
96 protected MappingDomain mappingDomain;
97 protected Collection collection;
98 protected Command createMappingCommand;
99
100 public DelegateCommand(EditingDomain editingDomain, CommandParameter commandParameter)
101 {
102 super
103 (MappingUIPlugin.getPlugin().getString("_UI_TypeMatchMappingAction_label"),
104 MappingUIPlugin.getPlugin().getString("_UI_TypeMatchMappingAction_description"));
105 collection = commandParameter.getCollection();
106 mappingDomain = (MappingDomain)editingDomain;
107 }
108
109 protected boolean prepare()
110 {
111 boolean result = false;
112
113 if (collection != null)
114 {
115 Collection mappedObjects = new HashSet ();
116 Collection mappingObjects = new HashSet ();
117 MappingRoot mappingRoot = mappingDomain.getMappingRoot();
118
119 for (Iterator objects = collection.iterator(); objects.hasNext(); )
120 {
121 Object object = objects.next();
122 if (object instanceof Mapping)
123 {
124 appendIfCanExecute(TypeMatchMappingCommand.create(mappingDomain, (Mapping)object));
125 mappingObjects.add(object);
126 }
127 else if (mappingRoot.isInputObject(object) || mappingRoot.isOutputObject(object))
128 {
129 mappedObjects.add(object);
130 }
131 }
132
133 if (!mappedObjects.isEmpty())
134 {
135 Collection mappings = mappingRoot.getAllMappings(mappedObjects);
136 switch (mappings.size())
137 {
138 case 0:
139 {
140 createMappingCommand = CreateMappingCommand.create(mappingDomain, mappedObjects);
141 result = appendIfCanExecute(createMappingCommand);
142 break;
143 }
144 case 1:
145 {
146 result = appendIfCanExecute(TypeMatchMappingCommand.create(mappingDomain, (Mapping)mappings.iterator().next()));
147 break;
148 }
149 default:
150 {
151 break;
152 }
153 }
154 }
155 }
156
157 result = result || !isEmpty();
158 return result;
159 }
160
161 public void execute()
162 {
163 super.execute();
164 if (createMappingCommand != null)
165 {
166 appendAndExecute(TypeMatchMappingCommand.create(mappingDomain, (Mapping)createMappingCommand.getResult().iterator().next()));
167 }
168 }
169
170
173 public Object getImage()
174 {
175 return "Placeholder";
176 }
177
178 public String getText()
179 {
180 return getLabel();
181 }
182
183
186 public String getToolTipText()
187 {
188 return getDescription();
189 }
190
191 public void dispose()
192 {
193 if (createMappingCommand != null)
194 {
195 createMappingCommand.dispose();
196 }
197 super.dispose();
198 }
199 }
200
201 protected ImageDescriptor objectToImageDescriptor(Object object)
202 {
203 ((Action)action).setHoverImageDescriptor
204 (ExtendedImageRegistry.getInstance().getImageDescriptor(MappingPlugin.getPlugin().getImage("full/ctool16/MatchByType")));
205
206 ((Action)action).setDisabledImageDescriptor
207 (ExtendedImageRegistry.getInstance().getImageDescriptor(MappingPlugin.getPlugin().getImage("full/dtool16/MatchByType")));
208
209 return
210 ExtendedImageRegistry.getInstance().getImageDescriptor(MappingPlugin.getPlugin().getImage("full/etool16/MatchByType"));
211 }
212
213
216 protected Command createActionCommand(EditingDomain editingDomain, final Collection collection)
217 {
218 return editingDomain.createCommand(DelegateCommand.class, new CommandParameter(null, null, collection));
219 }
220 }
221 |
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