|
1
11 package org.eclipse.jdt.internal.ui.packageview;
12
13 import org.eclipse.swt.widgets.Shell;
14
15 import org.eclipse.jface.action.Action;
16 import org.eclipse.jface.dialogs.IDialogConstants;
17 import org.eclipse.jface.dialogs.MessageDialog;
18 import org.eclipse.jface.dialogs.ProgressMonitorDialog;
19 import org.eclipse.jface.viewers.IStructuredSelection;
20 import org.eclipse.jface.viewers.StructuredSelection;
21
22 import org.eclipse.ui.PlatformUI;
23 import org.eclipse.ui.dialogs.SelectionDialog;
24
25 import org.eclipse.jdt.core.ICompilationUnit;
26 import org.eclipse.jdt.core.IJavaElement;
27 import org.eclipse.jdt.core.IType;
28 import org.eclipse.jdt.core.JavaModelException;
29 import org.eclipse.jdt.core.search.SearchEngine;
30
31 import org.eclipse.jdt.internal.corext.util.Messages;
32
33 import org.eclipse.jdt.ui.IJavaElementSearchConstants;
34 import org.eclipse.jdt.ui.JavaUI;
35
36 import org.eclipse.jdt.internal.ui.IJavaHelpContextIds;
37 import org.eclipse.jdt.internal.ui.JavaPlugin;
38 import org.eclipse.jdt.internal.ui.util.ExceptionHandler;
39
40 class GotoTypeAction extends Action {
41
42 private PackageExplorerPart fPackageExplorer;
43
44 GotoTypeAction(PackageExplorerPart part) {
45 super();
46 setText(PackagesMessages.GotoType_action_label);
47 setDescription(PackagesMessages.GotoType_action_description);
48 fPackageExplorer= part;
49 PlatformUI.getWorkbench().getHelpSystem().setHelp(this, IJavaHelpContextIds.GOTO_TYPE_ACTION);
50 }
51
52 public void run() {
53 Shell shell= JavaPlugin.getActiveWorkbenchShell();
54 SelectionDialog dialog= null;
55 try {
56 dialog= JavaUI.createTypeDialog(shell, new ProgressMonitorDialog(shell),
57 SearchEngine.createWorkspaceScope(), IJavaElementSearchConstants.CONSIDER_ALL_TYPES, false);
58 } catch (JavaModelException e) {
59 String  title= getDialogTitle();
60 String message= PackagesMessages.GotoType_error_message;
61 ExceptionHandler.handle(e, title, message);
62 return;
63 }
64
65 dialog.setTitle(getDialogTitle());
66 dialog.setMessage(PackagesMessages.GotoType_dialog_message);
67 if (dialog.open() == IDialogConstants.CANCEL_ID) {
68 return;
69 }
70
71 Object [] types= dialog.getResult();
72 if (types != null && types.length > 0) {
73 gotoType((IType) types[0]);
74 }
75 }
76
77 private void gotoType(IType type) {
78 ICompilationUnit cu= (ICompilationUnit) type.getAncestor(IJavaElement.COMPILATION_UNIT);
79 IJavaElement element= null;
80 if (cu != null) {
81 element= cu.getPrimary();
82 }
83 else {
84 element= type.getAncestor(IJavaElement.CLASS_FILE);
85 }
86 if (element != null) {
87 PackageExplorerPart view= PackageExplorerPart.openInActivePerspective();
88 if (view != null) {
89 view.selectReveal(new StructuredSelection(element));
90 if (!element.equals(getSelectedElement(view))) {
91 MessageDialog.openInformation(fPackageExplorer.getSite().getShell(),
92 getDialogTitle(),
93 Messages.format(PackagesMessages.PackageExplorer_element_not_present, element.getElementName()));
94 }
95 }
96 }
97 }
98
99 private Object getSelectedElement(PackageExplorerPart view) {
100 return ((IStructuredSelection)view.getSite().getSelectionProvider().getSelection()).getFirstElement();
101 }
102
103 private String getDialogTitle() {
104 return PackagesMessages.GotoType_dialog_title;
105 }
106 }
107 |
Popular Tags |
Java API By Example, From Geeks To Geeks.