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1
11 package org.eclipse.update.internal.ui.wizards;
12
13 import java.lang.reflect.*;
14
15 import org.eclipse.core.runtime.*;
16 import org.eclipse.jface.dialogs.*;
17 import org.eclipse.jface.dialogs.Dialog;
18 import org.eclipse.jface.operation.*;
19 import org.eclipse.jface.viewers.*;
20 import org.eclipse.jface.wizard.*;
21 import org.eclipse.swt.*;
22 import org.eclipse.swt.graphics.*;
23 import org.eclipse.swt.layout.*;
24 import org.eclipse.swt.widgets.*;
25 import org.eclipse.update.core.*;
26 import org.eclipse.update.core.model.*;
27 import org.eclipse.update.internal.ui.*;
28 import org.eclipse.update.operations.*;
29
30
31 public class ReplaceFeatureVersionWizardPage extends WizardPage {
32
33 private IFeature currentFeature;
34 private IFeature[] features;
35 private TableViewer tableViewer;
36
37 public ReplaceFeatureVersionWizardPage(IFeature currentFeature, IFeature[] features) {
38 super("SwapFeature"); setTitle(UpdateUIMessages.SwapFeatureWizardPage_title);
40 setDescription(UpdateUIMessages.SwapFeatureWizardPage_desc);
41 this.currentFeature = currentFeature;
42 this.features = features;
43 }
44
45 public void createControl(Composite parent) {
46 Composite tableContainer = new Composite(parent, SWT.NONE);
47 GridLayout layout = new GridLayout();
48 layout.marginHeight = layout.marginWidth = 0;
49 tableContainer.setLayout(layout);
50
51 Label label = new Label(tableContainer, SWT.NONE);
52 label.setText(UpdateUIMessages.SwapFeatureWizardPage_label);
53
54 Table table = new Table(tableContainer, SWT.BORDER | SWT.SINGLE | SWT.V_SCROLL);
55 table.setLayoutData(new GridData(GridData.FILL_BOTH));
56
57 tableViewer = new TableViewer(table);
58 tableViewer.setLabelProvider(new LabelProvider() {
59 public Image getImage(Object  element) {
60 UpdateLabelProvider provider =
61 UpdateUI.getDefault().getLabelProvider();
62 return provider.get(UpdateUIImages.DESC_UNCONF_FEATURE_OBJ, 0);
63 }
64 public String getText(Object element) {
65 IFeature feature = (IFeature) element;
66 return feature.getLabel() + " " + feature.getVersionedIdentifier().getVersion().toString(); }
68 });
69
70 tableViewer.setContentProvider(new IStructuredContentProvider() {
71 public Object [] getElements(Object element) {
72 return features;
73 }
74 public void dispose() {
75 }
76 public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
77 }
78 });
79
80 tableViewer.setSorter(new ViewerSorter() {
81 public int compare(Viewer viewer, Object e1, Object e2) {
82 PluginVersionIdentifier v1 = ((IFeature)e1).getVersionedIdentifier().getVersion();
83 PluginVersionIdentifier v2 = ((IFeature)e2).getVersionedIdentifier().getVersion();
84 return v1.isGreaterOrEqualTo(v2) ? -1 : 1;
85 }
86 });
87
88 tableViewer.addFilter(new ViewerFilter() {
89 public boolean select(Viewer viewer, Object parentElement, Object element) {
90 String version =
91 ((IFeature) element).getVersionedIdentifier().getVersion().toString();
92 return !version.equals(
93 currentFeature.getVersionedIdentifier().getVersion().toString());
94 }
95 });
96
97 tableViewer.addSelectionChangedListener(new ISelectionChangedListener() {
98 public void selectionChanged(SelectionChangedEvent event) {
99 IStructuredSelection ssel = (IStructuredSelection)tableViewer.getSelection();
100 if (ssel == null)
101 return;
102 IFeature chosenFeature = (IFeature)ssel.getFirstElement();
103 IStatus validationStatus =
104 OperationsManager.getValidator().validatePendingReplaceVersion(currentFeature, chosenFeature);
105 setPageComplete(validationStatus == null || validationStatus.getCode() == IStatus.WARNING);
106
107 if (validationStatus == null) {
108 setErrorMessage(null);
109 } else if (validationStatus.getCode() == IStatus.WARNING) {
110 setErrorMessage(null);
111 setMessage(validationStatus.getMessage(), IMessageProvider.WARNING);
112 } else {
113 setErrorMessage(validationStatus.getMessage());
114 }
115 }
116 });
117
118 tableViewer.setInput(currentFeature);
119 tableViewer.getTable().select(0);
120 setControl(tableContainer);
121
122 Dialog.applyDialogFont(tableContainer);
123 }
124
125 public boolean performFinish() {
126 IStructuredSelection ssel = (IStructuredSelection)tableViewer.getSelection();
127 IFeature chosenFeature = (IFeature)ssel.getFirstElement();
128
129 return swap(currentFeature, chosenFeature);
130 }
131
132 private boolean swap(final IFeature currentFeature, final IFeature anotherFeature) {
133
144 IRunnableWithProgress operation = new IRunnableWithProgress() {
145 public void run(IProgressMonitor monitor)
146 throws InvocationTargetException {
147 IOperation revertOperation =
148 OperationsManager
149 .getOperationFactory()
150 .createReplaceFeatureVersionOperation(currentFeature, anotherFeature);
151 try {
152 boolean restartNeeded = revertOperation.execute(monitor, null);
153 UpdateUI.requestRestart(restartNeeded);
154 } catch (CoreException e) {
155 throw new InvocationTargetException(e);
156 } finally {
157 monitor.done();
158 }
159 }
160 };
161 try {
162 getContainer().run(false, true, operation);
163 return true;
164 } catch (InvocationTargetException e) {
165 Throwable targetException = e.getTargetException();
166 if (targetException instanceof InstallAbortedException) {
167 return true;
168 } else {
169 UpdateUI.logException(e);
170 }
171 return false;
172 } catch (InterruptedException e) {
173 return false;
174 }
175 }
176
177 }
178 |
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