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1
11 package org.eclipse.jdt.ui.actions;
12
13 import java.lang.reflect.InvocationTargetException  ;
14 import java.util.Iterator ;
15
16 import org.eclipse.core.runtime.CoreException;
17
18 import org.eclipse.swt.widgets.Shell;
19
20 import org.eclipse.jface.dialogs.IDialogConstants;
21 import org.eclipse.jface.dialogs.MessageDialog;
22 import org.eclipse.jface.viewers.IStructuredSelection;
23 import org.eclipse.jface.window.Window;
24
25 import org.eclipse.jface.text.ITextSelection;
26 import org.eclipse.jface.text.source.IAnnotationModel;
27
28 import org.eclipse.ui.IEditorPart;
29 import org.eclipse.ui.IWorkbenchSite;
30 import org.eclipse.ui.PlatformUI;
31
32 import org.eclipse.jdt.core.ICompilationUnit;
33 import org.eclipse.jdt.core.IJavaElement;
34 import org.eclipse.jdt.core.IParent;
35 import org.eclipse.jdt.core.IType;
36 import org.eclipse.jdt.core.JavaModelException;
37
38 import org.eclipse.jdt.internal.corext.codemanipulation.SortMembersOperation;
39
40 import org.eclipse.jdt.ui.JavaUI;
41
42 import org.eclipse.jdt.internal.ui.IJavaHelpContextIds;
43 import org.eclipse.jdt.internal.ui.actions.ActionMessages;
44 import org.eclipse.jdt.internal.ui.actions.ActionUtil;
45 import org.eclipse.jdt.internal.ui.actions.SelectionConverter;
46 import org.eclipse.jdt.internal.ui.actions.WorkbenchRunnableAdapter;
47 import org.eclipse.jdt.internal.ui.dialogs.OptionalMessageDialog;
48 import org.eclipse.jdt.internal.ui.dialogs.SortMembersMessageDialog;
49 import org.eclipse.jdt.internal.ui.javaeditor.CompilationUnitEditor;
50 import org.eclipse.jdt.internal.ui.javaeditor.IJavaAnnotation;
51 import org.eclipse.jdt.internal.ui.util.BusyIndicatorRunnableContext;
52 import org.eclipse.jdt.internal.ui.util.ElementValidator;
53 import org.eclipse.jdt.internal.ui.util.ExceptionHandler;
54
55
72 public class SortMembersAction extends SelectionDispatchAction {
73
74 private CompilationUnitEditor fEditor;
75 private final static String ID_OPTIONAL_DIALOG= "org.eclipse.jdt.ui.actions.SortMembersAction";
77
84 public SortMembersAction(IWorkbenchSite site) {
85 super(site);
86 setText(ActionMessages.SortMembersAction_label);
87 setDescription(ActionMessages.SortMembersAction_description);
88 setToolTipText(ActionMessages.SortMembersAction_tooltip);
89
90 PlatformUI.getWorkbench().getHelpSystem().setHelp(this, IJavaHelpContextIds.SORT_MEMBERS_ACTION);
91 }
92
93
97 public SortMembersAction(CompilationUnitEditor editor) {
98 this(editor.getEditorSite());
99 fEditor= editor;
100 setEnabled(checkEnabledEditor());
101 }
102
103 private boolean checkEnabledEditor() {
104 return fEditor != null && SelectionConverter.canOperateOn(fEditor);
105 }
106
107
109
112 public void selectionChanged(IStructuredSelection selection) {
113 boolean enabled= false;
114 enabled= getSelectedCompilationUnit(selection) != null;
115 setEnabled(enabled);
116 }
117
118
121 public void run(IStructuredSelection selection) {
122 Shell shell= getShell();
123 try {
124 ICompilationUnit cu= getSelectedCompilationUnit(selection);
125 if (cu == null) {
126 return;
127 }
128 IType[] types= cu.getTypes();
129 if (!hasMembersToSort(types)) {
130 return;
131 }
132 if (!ActionUtil.isEditable(getShell(), cu)) {
133 return;
134 }
135
136 SortMembersMessageDialog dialog= new SortMembersMessageDialog(getShell());
137 if (dialog.open() != Window.OK) {
138 return;
139 }
140
141 if (!ElementValidator.check(cu, getShell(), getDialogTitle(), false)) {
142 return;
143 }
144
145 IEditorPart editor= JavaUI.openInEditor(cu);
147 if (editor != null) {
148 run(shell, cu, editor, dialog.isNotSortingFieldsEnabled());
149 }
150 } catch (CoreException e) {
151 ExceptionHandler.handle(e, shell, getDialogTitle(), null);
152 }
153 }
154
155 private boolean hasMembersToSort(IJavaElement[] members) throws JavaModelException {
156 if (members.length > 1) {
157 return true;
158 }
159 if (members.length == 1) {
160 IJavaElement elem= members[0];
161 if (elem instanceof IParent) {
162 return hasMembersToSort(((IParent) elem).getChildren());
163 }
164 }
165 return false;
166 }
167
168
170
173 public void selectionChanged(ITextSelection selection) {
174 }
175
176
179 public void run(ITextSelection selection) {
180 Shell shell= getShell();
181 IJavaElement input= SelectionConverter.getInput(fEditor);
182 if (input instanceof ICompilationUnit) {
183 if (!ActionUtil.isEditable(fEditor)) {
184 return;
185 }
186 SortMembersMessageDialog dialog= new SortMembersMessageDialog(getShell());
187 if (dialog.open() != Window.OK) {
188 return;
189 }
190 if (!ElementValidator.check(input, getShell(), getDialogTitle(), true)) {
191 return;
192 }
193 run(shell, (ICompilationUnit) input, fEditor, dialog.isNotSortingFieldsEnabled());
194 } else {
195 MessageDialog.openInformation(shell, getDialogTitle(), ActionMessages.SortMembersAction_not_applicable);
196 }
197 }
198
199
201 private boolean containsRelevantMarkers(IEditorPart editor) {
202 IAnnotationModel model= JavaUI.getDocumentProvider().getAnnotationModel(editor.getEditorInput());
203 Iterator iterator= model.getAnnotationIterator();
204 while (iterator.hasNext()) {
205 Object element= iterator.next();
206 if (element instanceof IJavaAnnotation) {
207 IJavaAnnotation annot= (IJavaAnnotation) element;
208 if (!annot.isMarkedDeleted() && annot.isPersistent() && !annot.isProblem())
209 return true;
210 }
211 }
212 return false;
213 }
214
215 private void run(Shell shell, ICompilationUnit cu, IEditorPart editor, boolean isNotSortFields) {
216 if (containsRelevantMarkers(editor)) {
217 int returnCode= OptionalMessageDialog.open(ID_OPTIONAL_DIALOG,
218 getShell(),
219 getDialogTitle(),
220 null,
221 ActionMessages.SortMembersAction_containsmarkers,
222 MessageDialog.WARNING,
223 new String [] {IDialogConstants.OK_LABEL, IDialogConstants.CANCEL_LABEL},
224 0);
225 if (returnCode != OptionalMessageDialog.NOT_SHOWN &&
226 returnCode != Window.OK ) return;
227 }
228
229 SortMembersOperation op= new SortMembersOperation(cu, null, isNotSortFields);
230 try {
231 BusyIndicatorRunnableContext context= new BusyIndicatorRunnableContext();
232 PlatformUI.getWorkbench().getProgressService().runInUI(context,
233 new WorkbenchRunnableAdapter(op, op.getScheduleRule()),
234 op.getScheduleRule());
235 } catch (InvocationTargetException e) {
236 ExceptionHandler.handle(e, shell, getDialogTitle(), null);
237 } catch (InterruptedException e) {
238 }
240 }
241
242
243 private ICompilationUnit getSelectedCompilationUnit(IStructuredSelection selection) {
244 if (selection.size() == 1) {
245 Object element= selection.getFirstElement();
246 if (element instanceof ICompilationUnit) {
247 return (ICompilationUnit) element;
248 } else if (element instanceof IType) {
249 IType type= (IType) element;
250 if (type.getParent() instanceof ICompilationUnit) { return type.getCompilationUnit();
252 }
253 }
254 }
255 return null;
256 }
257
258 private String getDialogTitle() {
259 return ActionMessages.SortMembersAction_dialog_title;
260 }
261 }
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