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1
11 package org.eclipse.jdt.internal.ui.actions;
12
13 import java.util.ArrayList  ;
14 import java.util.Iterator ;
15 import java.util.List ;
16
17 import org.eclipse.core.runtime.IPath;
18
19 import org.eclipse.core.resources.IResource;
20
21 import org.eclipse.swt.SWTError;
22 import org.eclipse.swt.dnd.Clipboard;
23 import org.eclipse.swt.dnd.DND;
24 import org.eclipse.swt.dnd.FileTransfer;
25 import org.eclipse.swt.dnd.TextTransfer;
26 import org.eclipse.swt.dnd.Transfer;
27 import org.eclipse.swt.graphics.Point;
28
29 import org.eclipse.jface.dialogs.MessageDialog;
30 import org.eclipse.jface.viewers.ISelection;
31 import org.eclipse.jface.viewers.IStructuredSelection;
32
33 import org.eclipse.jface.text.ITextSelection;
34 import org.eclipse.jface.text.source.ISourceViewer;
35
36 import org.eclipse.ui.IWorkbenchSite;
37 import org.eclipse.ui.part.ResourceTransfer;
38
39 import org.eclipse.jdt.core.IClassFile;
40 import org.eclipse.jdt.core.ICompilationUnit;
41 import org.eclipse.jdt.core.IImportDeclaration;
42 import org.eclipse.jdt.core.IJavaElement;
43 import org.eclipse.jdt.core.IMember;
44 import org.eclipse.jdt.core.IPackageDeclaration;
45 import org.eclipse.jdt.core.IPackageFragment;
46 import org.eclipse.jdt.core.JavaModelException;
47 import org.eclipse.jdt.core.dom.ASTNode;
48 import org.eclipse.jdt.core.dom.AnonymousClassDeclaration;
49 import org.eclipse.jdt.core.dom.CompilationUnit;
50 import org.eclipse.jdt.core.dom.Expression;
51 import org.eclipse.jdt.core.dom.IBinding;
52 import org.eclipse.jdt.core.dom.ImportDeclaration;
53 import org.eclipse.jdt.core.dom.MemberRef;
54 import org.eclipse.jdt.core.dom.MemberValuePair;
55 import org.eclipse.jdt.core.dom.MethodDeclaration;
56 import org.eclipse.jdt.core.dom.MethodInvocation;
57 import org.eclipse.jdt.core.dom.Name;
58 import org.eclipse.jdt.core.dom.PackageDeclaration;
59 import org.eclipse.jdt.core.dom.Type;
60 import org.eclipse.jdt.core.dom.TypeDeclaration;
61 import org.eclipse.jdt.core.dom.TypeParameter;
62 import org.eclipse.jdt.core.dom.VariableDeclaration;
63
64 import org.eclipse.jdt.internal.corext.dom.NodeFinder;
65
66 import org.eclipse.jdt.ui.JavaElementLabels;
67 import org.eclipse.jdt.ui.JavaUI;
68 import org.eclipse.jdt.ui.actions.SelectionDispatchAction;
69
70 import org.eclipse.jdt.internal.ui.JavaPlugin;
71 import org.eclipse.jdt.internal.ui.JavaPluginImages;
72 import org.eclipse.jdt.internal.ui.javaeditor.ASTProvider;
73 import org.eclipse.jdt.internal.ui.javaeditor.JavaEditor;
74
75 public class CopyQualifiedNameAction extends SelectionDispatchAction {
76
77 private static final long LABEL_FLAGS= new Long (JavaElementLabels.F_FULLY_QUALIFIED | JavaElementLabels.M_FULLY_QUALIFIED | JavaElementLabels.I_FULLY_QUALIFIED | JavaElementLabels.T_FULLY_QUALIFIED | JavaElementLabels.M_PARAMETER_TYPES | JavaElementLabels.USE_RESOLVED | JavaElementLabels.T_TYPE_PARAMETERS | JavaElementLabels.CU_QUALIFIED | JavaElementLabels.CF_QUALIFIED).longValue();
78
79 public static final String ACTION_DEFINITION_ID= "org.eclipse.jdt.ui.edit.text.java.copy.qualified.name";
82 public static final String ACTION_HANDLER_ID= "org.eclipse.jdt.ui.actions.CopyQualifiedName";
85 private JavaEditor fEditor;
86
87 public CopyQualifiedNameAction(JavaEditor editor) {
88 this(editor.getSite());
89 fEditor= editor;
90 setEnabled(true);
91 }
92
93 public CopyQualifiedNameAction(IWorkbenchSite site) {
94 super(site);
95
96 setText(ActionMessages.CopyQualifiedNameAction_ActionName);
97 setToolTipText(ActionMessages.CopyQualifiedNameAction_ToolTipText);
98 setDisabledImageDescriptor(JavaPluginImages.DESC_DLCL_COPY_QUALIFIED_NAME);
99 setImageDescriptor(JavaPluginImages.DESC_ELCL_COPY_QUALIFIED_NAME);
100 }
101
102
105 public void selectionChanged(IStructuredSelection selection) {
106 setEnabled(canEnable(selection.toArray()));
107 }
108
109 public void selectionChanged(ITextSelection selection) {
110 }
112
113 private boolean canEnable(Object [] objects) {
114 for (int i= 0; i < objects.length; i++) {
115 Object element= objects[i];
116 if (isValideElement(element))
117 return true;
118 }
119
120 return false;
121 }
122
123 private boolean isValideElement(Object element) {
124 if (element instanceof IMember)
125 return true;
126
127 if (element instanceof IClassFile)
128 return true;
129
130 if (element instanceof ICompilationUnit)
131 return true;
132
133 if (element instanceof IPackageDeclaration)
134 return true;
135
136 if (element instanceof IImportDeclaration)
137 return true;
138
139 if (element instanceof IPackageFragment)
140 return true;
141
142 return false;
143 }
144
145
148 public void run() {
149
150 try {
151 IJavaElement[] elements= getSelectedElements();
152 if (elements == null) {
153 MessageDialog.openInformation(getShell(), ActionMessages.CopyQualifiedNameAction_InfoDialogTitel, ActionMessages.CopyQualifiedNameAction_NoElementToQualify);
154 return;
155 }
156
157 Object [] data= null;
158 Transfer[] dataTypes= null;
159
160 if (elements.length == 1) {
161 String qualifiedName= JavaElementLabels.getElementLabel(elements[0], LABEL_FLAGS);
162 IResource resource= elements[0].getCorrespondingResource();
163
164 if (resource != null) {
165 IPath location= resource.getLocation();
166 if (location != null) {
167 data= new Object [] {qualifiedName, resource, new String [] {location.toOSString()}};
168 dataTypes= new Transfer[] {TextTransfer.getInstance(), ResourceTransfer.getInstance(), FileTransfer.getInstance()};
169 } else {
170 data= new Object [] {qualifiedName, resource};
171 dataTypes= new Transfer[] {TextTransfer.getInstance(), ResourceTransfer.getInstance()};
172 }
173 } else {
174 data= new Object [] {qualifiedName};
175 dataTypes= new Transfer[] {TextTransfer.getInstance()};
176 }
177 } else {
178 StringBuffer buf= new StringBuffer ();
179 buf.append(JavaElementLabels.getElementLabel(elements[0], LABEL_FLAGS));
180 for (int i= 1; i < elements.length; i++) {
181 IJavaElement element= elements[i];
182
183 String qualifiedName= JavaElementLabels.getElementLabel(element, LABEL_FLAGS);
184 buf.append('\r').append('\n').append(qualifiedName);
185 }
186 data= new Object [] {buf.toString()};
187 dataTypes= new Transfer[] {TextTransfer.getInstance()};
188 }
189
190 Clipboard clipboard= new Clipboard(getShell().getDisplay());
191 try {
192 clipboard.setContents(data, dataTypes);
193 } catch (SWTError e) {
194 if (e.code != DND.ERROR_CANNOT_SET_CLIPBOARD) {
195 throw e;
196 }
197 if (MessageDialog.openQuestion(getShell(), ActionMessages.CopyQualifiedNameAction_ErrorTitle, ActionMessages.CopyQualifiedNameAction_ErrorDescription)) {
198 clipboard.setContents(data, dataTypes);
199 }
200 } finally {
201 clipboard.dispose();
202 }
203 } catch (JavaModelException e) {
204 JavaPlugin.log(e);
205 }
206 }
207
208 private IJavaElement[] getSelectedElements() throws JavaModelException {
209 if (fEditor != null) {
210 IJavaElement element= getSelectedElement(fEditor);
211 if (element == null)
212 return null;
213
214 return new IJavaElement[] {element};
215 }
216
217 ISelection selection= getSelection();
218 if (!(selection instanceof IStructuredSelection))
219 return null;
220
221 List result= new ArrayList ();
222 for (Iterator iter= ((IStructuredSelection)selection).iterator(); iter.hasNext();) {
223 Object element= iter.next();
224 if (isValideElement(element))
225 result.add(element);
226 }
227 if (result.isEmpty())
228 return null;
229
230 return (IJavaElement[])result.toArray(new IJavaElement[result.size()]);
231 }
232
233 private IJavaElement getSelectedElement(JavaEditor editor) {
234 ISourceViewer viewer= editor.getViewer();
235 if (viewer == null)
236 return null;
237
238 Point selectedRange= viewer.getSelectedRange();
239 int length= selectedRange.y;
240 int offset= selectedRange.x;
241
242 IJavaElement element= JavaUI.getEditorInputJavaElement(editor.getEditorInput());
243 CompilationUnit ast= ASTProvider.getASTProvider().getAST(element, ASTProvider.WAIT_YES, null);
244 if (ast == null)
245 return null;
246
247 NodeFinder finder= new NodeFinder(offset, length);
248 ast.accept(finder);
249 ASTNode node= finder.getCoveringNode();
250
251 IBinding binding= null;
252 if (node instanceof Name) {
253 binding= ((Name)node).resolveBinding();
254 } else if (node instanceof MethodInvocation) {
255 binding= ((MethodInvocation)node).resolveMethodBinding();
256 } else if (node instanceof MethodDeclaration) {
257 binding= ((MethodDeclaration)node).resolveBinding();
258 } else if (node instanceof Type) {
259 binding= ((Type)node).resolveBinding();
260 } else if (node instanceof AnonymousClassDeclaration) {
261 binding= ((AnonymousClassDeclaration)node).resolveBinding();
262 } else if (node instanceof TypeDeclaration) {
263 binding= ((TypeDeclaration)node).resolveBinding();
264 } else if (node instanceof CompilationUnit) {
265 return ((CompilationUnit)node).getJavaElement();
266 } else if (node instanceof Expression) {
267 binding= ((Expression)node).resolveTypeBinding();
268 } else if (node instanceof ImportDeclaration) {
269 binding= ((ImportDeclaration)node).resolveBinding();
270 } else if (node instanceof MemberRef) {
271 binding= ((MemberRef)node).resolveBinding();
272 } else if (node instanceof MemberValuePair) {
273 binding= ((MemberValuePair)node).resolveMemberValuePairBinding();
274 } else if (node instanceof PackageDeclaration) {
275 binding= ((PackageDeclaration)node).resolveBinding();
276 } else if (node instanceof TypeParameter) {
277 binding= ((TypeParameter)node).resolveBinding();
278 } else if (node instanceof VariableDeclaration) {
279 binding= ((VariableDeclaration)node).resolveBinding();
280 }
281
282 if (binding != null)
283 return binding.getJavaElement();
284
285 return null;
286 }
287
288 }
289 |
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