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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.NameMatchMappingCommand;
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 NameMatchMappingAction 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 MappingPlugin.getPlugin().getImage("full/etool16/MatchByName");
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_NameMatchMappingAction_label"),
104 MappingUIPlugin.getPlugin().getString("_UI_NameMatchMappingAction_description"));
105
106 collection = commandParameter.getCollection();
107 mappingDomain = (MappingDomain)editingDomain;
108 }
109
110 protected boolean prepare()
111 {
112 boolean result = false;
113
114 if (collection != null)
115 {
116 Collection mappedObjects = new HashSet ();
117 Collection mappingObjects = new HashSet ();
118 MappingRoot mappingRoot = mappingDomain.getMappingRoot();
119
120 for (Iterator objects = collection.iterator(); objects.hasNext(); )
121 {
122 Object object = objects.next();
123 if (object instanceof Mapping)
124 {
125 appendIfCanExecute(NameMatchMappingCommand.create(mappingDomain, (Mapping)object));
126 mappingObjects.add(object);
127 }
128 else if (mappingRoot.isInputObject(object) || mappingRoot.isOutputObject(object))
129 {
130 mappedObjects.add(object);
131 }
132 }
133
134 if (!mappedObjects.isEmpty())
135 {
136 Collection mappings = mappingRoot.getAllMappings(mappedObjects);
137 switch (mappings.size())
138 {
139 case 0:
140 {
141 createMappingCommand = CreateMappingCommand.create(mappingDomain, mappedObjects);
142 result = appendIfCanExecute(createMappingCommand);
143 break;
144 }
145 case 1:
146 {
147 result = appendIfCanExecute(NameMatchMappingCommand.create(mappingDomain, (Mapping)mappings.iterator().next()));
148 break;
149 }
150 default:
151 {
152 break;
153 }
154 }
155 }
156 }
157
158 result = result || !isEmpty();
159 return result;
160 }
161
162 public void execute()
163 {
164 super.execute();
165 if (createMappingCommand != null)
166 {
167 appendAndExecute(NameMatchMappingCommand.create(mappingDomain, (Mapping)createMappingCommand.getResult().iterator().next()));
168 }
169 }
170
171
174 public Object getImage()
175 {
176 return "Placeholder";
177 }
178
179 public String getText()
180 {
181 return getLabel();
182 }
183
184
187 public String getToolTipText()
188 {
189 return getDescription();
190 }
191 }
192
193 protected ImageDescriptor objectToImageDescriptor(Object object)
194 {
195 ((Action)action).setHoverImageDescriptor
196 (ExtendedImageRegistry.getInstance().getImageDescriptor(MappingPlugin.getPlugin().getImage("full/ctool16/MatchByName")));
197
198 ((Action)action).setDisabledImageDescriptor
199 (ExtendedImageRegistry.getInstance().getImageDescriptor(MappingPlugin.getPlugin().getImage("full/dtool16/MatchByName")));
200
201 return
202 ExtendedImageRegistry.getInstance().getImageDescriptor(MappingPlugin.getPlugin().getImage("full/etool16/MatchByName"));
203 }
204
205
208 protected Command createActionCommand(EditingDomain editingDomain, final Collection collection)
209 {
210 return editingDomain.createCommand(DelegateCommand.class, new CommandParameter(null, null, collection));
211 }
212 }
213 |
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