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1
11 package org.eclipse.ui.wizards.datatransfer;
12
13 import java.io.File  ;
14 import java.io.IOException ;
15 import java.util.List ;
16 import java.util.zip.ZipException ;
17 import java.util.zip.ZipFile ;
18
19 import org.eclipse.jface.dialogs.IDialogSettings;
20 import org.eclipse.jface.viewers.ISelectionChangedListener;
21 import org.eclipse.jface.viewers.IStructuredSelection;
22 import org.eclipse.swt.SWT;
23 import org.eclipse.swt.layout.GridData;
24 import org.eclipse.swt.layout.GridLayout;
25 import org.eclipse.swt.widgets.*;
26 import org.eclipse.ui.IWorkbench;
27 import org.eclipse.ui.dialogs.FileSystemElement;
28
29
37 class WizardZipFileImportPage1 extends WizardFileSystemImportPage1 implements ISelectionChangedListener, Listener {
38 private ZipFileStructureProvider providerCache;
39
40 private static final String FILE_IMPORT_MASK = "*.jar;*.zip";
43 private final static String STORE_SOURCE_NAMES_ID = "WizardZipFileImportPage1.STORE_SOURCE_NAMES_ID"; private final static String STORE_IMPORT_ALL_RESOURCES_ID = "WizardZipFileImportPage1.STORE_IMPORT_ALL_ENTRIES_ID"; private final static String STORE_OVERWRITE_EXISTING_RESOURCES_ID = "WizardZipFileImportPage1.STORE_OVERWRITE_EXISTING_RESOURCES_ID"; private final static String STORE_SELECTED_TYPES_ID = "WizardZipFileImportPage1.STORE_SELECTED_TYPES_ID";
51 public WizardZipFileImportPage1(IWorkbench aWorkbench, IStructuredSelection selection) {
52 super("zipFileImportPage1", aWorkbench, selection); setTitle(DataTransferMessages.getString("ZipExport.exportTitle")); setDescription(DataTransferMessages.getString("ZipImport.description")); }
56
60 public boolean cancel() {
61 clearProviderCache();
62 return true;
63 }
64
68 protected void clearProviderCache() {
69 if (providerCache != null) {
70 closeZipFile(providerCache.getZipFile());
71 providerCache = null;
72 }
73 }
74
77 protected boolean closeZipFile(ZipFile file) {
78 try {
79 file.close();
80 } catch (IOException e) {
81 displayErrorDialog(DataTransferMessages.format("ZipImport.couldNotClose", new Object [] {file.getName()})); return false;
83 }
84
85 return true;
86 }
87
90 protected void createOptionsGroup(Composite parent) {
91 Composite optionsGroup = new Composite(parent, SWT.NONE);
93 GridLayout layout = new GridLayout();
94 layout.marginHeight = 0;
95 optionsGroup.setLayout(layout);
96 optionsGroup.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_FILL | GridData.GRAB_HORIZONTAL));
97
98 overwriteExistingResourcesCheckbox = new Button(optionsGroup,SWT.CHECK);
100 overwriteExistingResourcesCheckbox.setText(DataTransferMessages.getString("FileImport.overwriteExisting")); }
102
106 protected void displaySelectedCount(int selectedEntryCount) {
107 if (selectedEntryCount == 1)
108 detailsDescriptionLabel.setText(DataTransferMessages.getString("ImportPage.oneSelected")); else
110 detailsDescriptionLabel.setText(DataTransferMessages.format("ZipImport.entriesSelected",new Object [] {String.valueOf(selectedEntryCount)})); }
112
116 protected boolean ensureSourceIsValid() {
117 ZipFile specifiedFile = getSpecifiedSourceFile();
118
119 if (specifiedFile == null)
120 return false;
121
122 return closeZipFile(specifiedFile);
123 }
124
129 public boolean finish() {
130 if (!super.finish())
131 return false;
132
133 clearProviderCache();
134 return true;
135 }
136
141 protected FileSystemElement getFileSystemTree() {
142 if (getRoot() != null)
143 return getRoot();
144
145 ZipFile sourceFile = getSpecifiedSourceFile();
146 if (sourceFile == null)
147 return null;
148
149 ZipFileStructureProvider provider = getStructureProvider(sourceFile);
150 return selectFiles(provider.getRoot(),provider);
151 }
152
155 protected String getSourceLabel() {
156 return DataTransferMessages.getString("ZipExport.destinationLabel"); }
158
162 protected ZipFile getSpecifiedSourceFile() {
163 try {
164 return new ZipFile (sourceNameField.getText());
165 } catch (ZipException e) {
166 displayErrorDialog(DataTransferMessages.getString("ZipImport.badFormat")); } catch (IOException e) {
168 displayErrorDialog(DataTransferMessages.getString("ZipImport.couldNotRead")); }
170
171 sourceNameField.setFocus();
172 return null;
173 }
174
177 protected ZipFileStructureProvider getStructureProvider(ZipFile targetZip) {
178 if (providerCache == null)
179 providerCache = new ZipFileStructureProvider(targetZip);
180 else if (!providerCache.getZipFile().getName().equals(targetZip.getName())) {
181 clearProviderCache(); providerCache = new ZipFileStructureProvider(targetZip);
183 } else if (!providerCache.getZipFile().equals(targetZip))
184 closeZipFile(targetZip);
186 return providerCache;
187 }
188
192 protected void handleSourceBrowseButtonPressed() {
193 String selectedFile = queryZipFileToImport();
194
195 if (selectedFile != null) {
196 if (!selectedFile.equals(sourceNameField.getText())) {
197 resetSelection();
198 sourceNameField.setText(selectedFile);
199 }
200 }
201 }
202
206 protected boolean importAllResources() {
207 ZipFileStructureProvider structureProvider = getStructureProvider(getSpecifiedSourceFile());
208
209 return executeImportOperation(
210 new ImportOperation(
211 getContainerFullPath(),
212 structureProvider.getRoot(),
213 structureProvider,
214 this));
215 }
216
219 protected boolean importResources(List fileSystemObjects) {
220 ZipFileStructureProvider structureProvider = getStructureProvider(getSpecifiedSourceFile());
221
222 return executeImportOperation(
223 new ImportOperation(
224 getContainerFullPath(),
225 structureProvider.getRoot(),
226 structureProvider,
227 this,
228 fileSystemObjects));
229 }
230
233 protected void initializeOperation(ImportOperation op) {
234 op.setOverwriteResources(overwriteExistingResourcesCheckbox.getSelection());
235 }
236
240 protected String queryZipFileToImport() {
241 FileDialog dialog = new FileDialog(sourceNameField.getShell(),SWT.OPEN);
242 dialog.setFilterExtensions(new String [] {FILE_IMPORT_MASK});
243
244 String currentSourceString = sourceNameField.getText();
245 int lastSeparatorIndex = currentSourceString.lastIndexOf(File.separator);
246 if (lastSeparatorIndex != -1)
247 dialog.setFilterPath(currentSourceString.substring(0,lastSeparatorIndex));
248
249 return dialog.open();
250 }
251
255 protected void restoreWidgetValues() {
256 IDialogSettings settings = getDialogSettings();
257 if(settings != null) {
258 String [] sourceNames = settings.getArray(STORE_SOURCE_NAMES_ID);
259 if (sourceNames == null)
260 return;
262 if (settings.getBoolean(STORE_IMPORT_ALL_RESOURCES_ID)) {
264 importAllResourcesRadio.setSelection(true);
265 importTypedResourcesRadio.setSelection(false);
266 } else {
267 importTypedResourcesRadio.setSelection(true);
268 importAllResourcesRadio.setSelection(false);
269 }
270
271 sourceNameField.setText(sourceNames[0]);
273 for (int i = 0; i < sourceNames.length; i++)
274 sourceNameField.add(sourceNames[i]);
275
276 String [] selectedTypes = settings.getArray(STORE_SELECTED_TYPES_ID);
278 if (selectedTypes.length > 0)
279 typesToImportField.setText((String )selectedTypes[0]);
280 for (int i = 0; i < selectedTypes.length; i++)
281 typesToImportField.add((String )selectedTypes[i]);
282
283 overwriteExistingResourcesCheckbox.setSelection(
285 settings.getBoolean(STORE_OVERWRITE_EXISTING_RESOURCES_ID));
286 }
287 }
288
295 protected void saveWidgetValues() {
296 IDialogSettings settings = getDialogSettings();
297 if(settings != null) {
298 String [] sourceNames = settings.getArray(STORE_SOURCE_NAMES_ID);
300 if (sourceNames == null)
301 sourceNames = new String [0];
302
303 sourceNames = addToHistory(sourceNames,sourceNameField.getText());
304 settings.put(
305 STORE_SOURCE_NAMES_ID,
306 sourceNames);
307
308 String [] selectedTypesNames = settings.getArray(STORE_SELECTED_TYPES_ID);
310 if (selectedTypesNames == null)
311 selectedTypesNames = new String [0];
312
313 if (importTypedResourcesRadio.getSelection())
314 selectedTypesNames = addToHistory(selectedTypesNames,typesToImportField.getText());
315 settings.put(
316 STORE_SELECTED_TYPES_ID,
317 selectedTypesNames);
318
319 settings.put(
321 STORE_IMPORT_ALL_RESOURCES_ID,
322 importAllResourcesRadio.getSelection());
323
324 settings.put(
325 STORE_OVERWRITE_EXISTING_RESOURCES_ID,
326 overwriteExistingResourcesCheckbox.getSelection());
327 }
328 }
329 }
330 |
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