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1
11 package org.eclipse.jdt.internal.ui.refactoring.actions;
12
13 import java.util.Arrays  ;
14 import java.util.HashSet ;
15 import java.util.Iterator ;
16 import java.util.Set ;
17
18 import org.eclipse.jface.dialogs.MessageDialog;
19 import org.eclipse.jface.viewers.IStructuredSelection;
20
21 import org.eclipse.jface.text.ITextSelection;
22
23 import org.eclipse.ui.IWorkbenchSite;
24 import org.eclipse.ui.PlatformUI;
25
26 import org.eclipse.jdt.core.IJavaElement;
27 import org.eclipse.jdt.core.IMember;
28 import org.eclipse.jdt.core.JavaModelException;
29
30 import org.eclipse.jdt.internal.corext.refactoring.RefactoringAvailabilityTester;
31 import org.eclipse.jdt.internal.corext.refactoring.RefactoringExecutionStarter;
32 import org.eclipse.jdt.internal.corext.util.JavaModelUtil;
33
34 import org.eclipse.jdt.ui.actions.SelectionDispatchAction;
35
36 import org.eclipse.jdt.internal.ui.IJavaHelpContextIds;
37 import org.eclipse.jdt.internal.ui.JavaPlugin;
38 import org.eclipse.jdt.internal.ui.actions.ActionUtil;
39 import org.eclipse.jdt.internal.ui.actions.SelectionConverter;
40 import org.eclipse.jdt.internal.ui.javaeditor.JavaEditor;
41 import org.eclipse.jdt.internal.ui.javaeditor.JavaTextSelection;
42 import org.eclipse.jdt.internal.ui.refactoring.RefactoringMessages;
43 import org.eclipse.jdt.internal.ui.util.ExceptionHandler;
44
45 public class MoveStaticMembersAction extends SelectionDispatchAction{
46
47 private JavaEditor fEditor;
48
49 public MoveStaticMembersAction(IWorkbenchSite site) {
50 super(site);
51 setText(RefactoringMessages.RefactoringGroup_move_label);
52 PlatformUI.getWorkbench().getHelpSystem().setHelp(this, IJavaHelpContextIds.MOVE_ACTION);
53 }
54
55 public MoveStaticMembersAction(JavaEditor editor) {
56 this(editor.getEditorSite());
57 fEditor= editor;
58 setEnabled(SelectionConverter.canOperateOn(fEditor));
59 }
60
61 public void selectionChanged(IStructuredSelection selection) {
62 try {
63 setEnabled(RefactoringAvailabilityTester.isMoveStaticMembersAvailable(getSelectedMembers(selection)));
64 } catch (JavaModelException e) {
65 if (JavaModelUtil.isExceptionToBeLogged(e))
67 JavaPlugin.log(e);
68 setEnabled(false); }
70 }
71
72 public void selectionChanged(ITextSelection selection) {
73 setEnabled(true);
74 }
75
76
79 public void selectionChanged(JavaTextSelection selection) {
80 try {
81 setEnabled(RefactoringAvailabilityTester.isMoveStaticAvailable(selection));
82 } catch (JavaModelException e) {
83 setEnabled(false);
84 }
85 }
86
87 public void run(IStructuredSelection selection) {
88 try {
89 IMember[] members= getSelectedMembers(selection);
90 for (int index= 0; index < members.length; index++) {
91 if (!ActionUtil.isEditable(getShell(), members[index]))
92 return;
93 }
94 if (RefactoringAvailabilityTester.isMoveStaticMembersAvailable(members))
95 RefactoringExecutionStarter.startMoveStaticMembersRefactoring(members, getShell());
96 } catch (JavaModelException e) {
97 ExceptionHandler.handle(e, RefactoringMessages.OpenRefactoringWizardAction_refactoring, RefactoringMessages.OpenRefactoringWizardAction_exception);
98 }
99 }
100
101 public void run(ITextSelection selection) {
102 try {
103 IMember member= getSelectedMemberFromEditor();
104 if (!ActionUtil.isEditable(fEditor, getShell(), member))
105 return;
106 IMember[] array= new IMember[]{member};
107 if (member != null && RefactoringAvailabilityTester.isMoveStaticMembersAvailable(array)){
108 RefactoringExecutionStarter.startMoveStaticMembersRefactoring(array, getShell());
109 } else {
110 MessageDialog.openInformation(getShell(), RefactoringMessages.OpenRefactoringWizardAction_unavailable, RefactoringMessages.MoveMembersAction_unavailable);
111 }
112 } catch (JavaModelException e) {
113 ExceptionHandler.handle(e, RefactoringMessages.OpenRefactoringWizardAction_refactoring, RefactoringMessages.OpenRefactoringWizardAction_exception);
114 }
115 }
116
117 private static IMember[] getSelectedMembers(IStructuredSelection selection){
118 if (selection.isEmpty())
119 return null;
120
121 for (final Iterator iterator= selection.iterator(); iterator.hasNext(); ) {
122 if (! (iterator.next() instanceof IMember))
123 return null;
124 }
125 Set memberSet= new HashSet ();
126 memberSet.addAll(Arrays.asList(selection.toArray()));
127 return (IMember[]) memberSet.toArray(new IMember[memberSet.size()]);
128 }
129
130 private IMember getSelectedMemberFromEditor() throws JavaModelException{
131 IJavaElement element= SelectionConverter.getElementAtOffset(fEditor);
132 if (element == null || ! (element instanceof IMember))
133 return null;
134 return (IMember)element;
135 }
136 }
137 |
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