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1
11 package org.eclipse.jdt.internal.ui.refactoring.nls;
12
13 import java.util.ArrayList  ;
14 import java.util.HashMap ;
15 import java.util.List ;
16
17 import org.eclipse.swt.widgets.Display;
18
19 import org.eclipse.jface.window.Window;
20
21 import org.eclipse.ui.dialogs.ElementListSelectionDialog;
22
23 import org.eclipse.jdt.core.ICompilationUnit;
24 import org.eclipse.jdt.core.IJavaElement;
25 import org.eclipse.jdt.core.IJavaProject;
26 import org.eclipse.jdt.core.IPackageFragment;
27 import org.eclipse.jdt.core.IPackageFragmentRoot;
28 import org.eclipse.jdt.core.JavaModelException;
29
30 import org.eclipse.jdt.ui.JavaElementLabelProvider;
31
32 import org.eclipse.jdt.internal.ui.JavaPlugin;
33 import org.eclipse.jdt.internal.ui.wizards.dialogfields.DialogField;
34 import org.eclipse.jdt.internal.ui.wizards.dialogfields.IStringButtonAdapter;
35
36
37 public class PackageBrowseAdapter implements IStringButtonAdapter {
38
39 PackageSelectionDialogButtonField fReceiver;
40 private ICompilationUnit fCu;
41
42 public PackageBrowseAdapter(ICompilationUnit unit) {
43 fCu = unit;
44 }
45
46 public void setReceiver(PackageSelectionDialogButtonField receiver) {
47 fReceiver = receiver;
48 }
49
50 public void changeControlPressed(DialogField field) {
51 ElementListSelectionDialog dialog= new ElementListSelectionDialog(
52 Display.getCurrent().getActiveShell(), new JavaElementLabelProvider());
53 dialog.setIgnoreCase(false);
54 dialog.setTitle(NLSUIMessages.PackageBrowseAdapter_package_selection);
55 dialog.setMessage(NLSUIMessages.PackageBrowseAdapter_choose_package);
56 dialog.setElements(createPackageListInput(fCu, null));
57 if (dialog.open() == Window.OK) {
58 IPackageFragment selectedPackage= (IPackageFragment)dialog.getFirstResult();
59 if (selectedPackage != null) {
60 fReceiver.setPackage(selectedPackage);
61 }
62 }
63 }
64 public static Object [] createPackageListInput(ICompilationUnit cu, String elementNameMatch){
65 try{
66 IJavaProject project= cu.getJavaProject();
67 IPackageFragmentRoot[] roots= project.getPackageFragmentRoots();
68 List result= new ArrayList ();
69 HashMap entered =new HashMap ();
70 for (int i= 0; i < roots.length; i++){
71 if (canAddPackageRoot(roots[i])){
72 getValidPackages(roots[i], result, entered, elementNameMatch);
73 }
74 }
75 return result.toArray();
76 } catch (JavaModelException e){
77 JavaPlugin.log(e);
78 return new Object [0];
79 }
80 }
81
82 static boolean canAddPackageRoot(IPackageFragmentRoot root) throws JavaModelException{
83 if (! root.exists())
84 return false;
85 if (root.isArchive())
86 return false;
87 if (root.isExternal())
88 return false;
89 if (root.isReadOnly())
90 return false;
91 if (! root.isStructureKnown())
92 return false;
93 return true;
94 }
95
96 static void getValidPackages(IPackageFragmentRoot root, List result, HashMap entered, String elementNameMatch) throws JavaModelException {
97 IJavaElement[] children= null;
98 try {
99 children= root.getChildren();
100 } catch (JavaModelException e){
101 return;
102 }
103 for (int i= 0; i < children.length; i++){
104 if (children[i] instanceof IPackageFragment) {
105 IPackageFragment packageFragment = (IPackageFragment)children[i];
106 String packageName = packageFragment.getElementName();
107
108 if ((entered != null) && (entered.containsKey(packageName)) == true) {
109 continue;
110 }
111
112 if (canAddPackage(packageFragment)) {
113 if ((elementNameMatch == null) || (elementNameMatch.equals(packageName))) {
114 result.add(packageFragment);
115 if (entered != null) {
116 entered.put(packageName, null);
117 }
118 }
119 }
120 }
121 }
122 }
123
124 static boolean canAddPackage(IPackageFragment p) throws JavaModelException{
125 if (! p.exists())
126 return false;
127 if (p.isReadOnly())
128 return false;
129 if (! p.isStructureKnown())
130 return false;
131 return true;
132 }
133
134 public static List searchAllPackages(IJavaProject project, String matcher) {
135 try{
136 IPackageFragmentRoot[] roots= project.getPackageFragmentRoots();
137 List result= new ArrayList ();
138 for (int i= 0; i < roots.length; i++){
139 if (canAddPackageRoot(roots[i])){
140 getValidPackages(roots[i], result, null, matcher);
141 }
142 }
143 return result;
144 } catch (JavaModelException e) {
145 JavaPlugin.log(e);
146 return new ArrayList (0);
147 }
148 }
149 }
150 |
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