/* | |
* Licensed to the Apache Software Foundation (ASF) under one | |
* or more contributor license agreements. See the NOTICE file | |
* distributed with this work for additional information | |
* regarding copyright ownership. The ASF licenses this file | |
* to you under the Apache License, Version 2.0 (the | |
* "License"); you may not use this file except in compliance | |
* with the License. You may obtain a copy of the License at | |
* | |
* http://www.apache.org/licenses/LICENSE-2.0 | |
* | |
* Unless required by applicable law or agreed to in writing, | |
* software distributed under the License is distributed on an | |
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY | |
* KIND, either express or implied. See the License for the | |
* specific language governing permissions and limitations | |
* under the License. | |
*/ | |
package org.apache.uima.caseditor.ide.wizards; | |
import java.lang.reflect.InvocationTargetException; | |
import java.util.ArrayList; | |
import java.util.Arrays; | |
import java.util.List; | |
import org.apache.uima.caseditor.CasEditorPlugin; | |
import org.apache.uima.caseditor.ide.CasEditorIdePlugin; | |
import org.apache.uima.caseditor.ide.CasEditorIdePreferenceConstants; | |
import org.eclipse.jface.dialogs.MessageDialog; | |
import org.eclipse.jface.preference.IPreferenceStore; | |
import org.eclipse.jface.viewers.IStructuredSelection; | |
import org.eclipse.jface.wizard.Wizard; | |
import org.eclipse.ui.IImportWizard; | |
import org.eclipse.ui.IWorkbench; | |
import org.eclipse.ui.wizards.datatransfer.IImportStructureProvider; | |
import org.eclipse.ui.wizards.datatransfer.ImportOperation; | |
/** | |
* This import dialog can import text files into a corpus. Currently plain text and rich text format | |
* is supported. | |
*/ | |
public final class ImportDocumentWizard extends Wizard implements IImportWizard { | |
private ImportDocumentWizardPage mMainPage; | |
private IStructuredSelection mCurrentResourceSelection; | |
public void init(IWorkbench workbench, IStructuredSelection selection) { | |
mCurrentResourceSelection = selection; // if corpus set as import corpus | |
// Did not find a way to retrieve the "Import" string | |
// from an eclipse message file | |
setWindowTitle("Import"); | |
} | |
@Override | |
public void addPages() { | |
mMainPage = new ImportDocumentWizardPage("ImportDocuments", mCurrentResourceSelection); | |
addPage(mMainPage); | |
} | |
@Override | |
public boolean performFinish() { | |
String usedEncoding = mMainPage.getTextEncoding(); | |
IPreferenceStore store = CasEditorIdePlugin.getDefault().getPreferenceStore(); | |
String lastUsedEncodingsString = store.getString( | |
CasEditorIdePreferenceConstants.CAS_IMPORT_WIZARD_LAST_USED_ENCODINGS); | |
List<String> lastUsedEncodings = new ArrayList<String>(Arrays.asList(lastUsedEncodingsString.split( | |
CasEditorIdePreferenceConstants.STRING_DELIMITER))); | |
int usedEncodingIndex = lastUsedEncodings.indexOf(usedEncoding); | |
if (usedEncodingIndex != -1) { | |
lastUsedEncodings.remove(usedEncodingIndex); | |
} | |
lastUsedEncodings.add(0, usedEncoding); | |
int maxUserItemCount = 10; | |
if (lastUsedEncodings.size() > maxUserItemCount) { | |
lastUsedEncodings = lastUsedEncodings.subList(0, maxUserItemCount - 1); | |
} | |
StringBuilder updatedLastUsedEncodingsString = new StringBuilder(); | |
for (String encoding : lastUsedEncodings) { | |
updatedLastUsedEncodingsString.append(encoding); | |
updatedLastUsedEncodingsString.append( | |
CasEditorIdePreferenceConstants.STRING_DELIMITER); | |
} | |
store.setValue(CasEditorIdePreferenceConstants.CAS_IMPORT_WIZARD_LAST_USED_ENCODINGS, | |
updatedLastUsedEncodingsString.toString()); | |
IImportStructureProvider importProvider = new DocumentImportStructureProvider(mMainPage.getLanguage(), | |
mMainPage.getTextEncoding(), mMainPage.getCasFormat()); | |
// BUG: We cannot pass null here for the overwrite query | |
ImportOperation operation = | |
new ImportOperation(mMainPage.getImportDestinationPath(), importProvider, new OverwriteQuery(getShell()), | |
mMainPage.getFilesToImport()); | |
operation.setContext(getShell()); | |
operation.setOverwriteResources(false); | |
try { | |
getContainer().run(true, true, operation); | |
} catch (InvocationTargetException e) { | |
CasEditorPlugin.log(e); | |
String message = "Unkown error during import, see the log file for details"; | |
Throwable cause = e.getCause(); | |
if (cause != null) { | |
String causeMessage = cause.getMessage(); | |
if (causeMessage != null) | |
message = causeMessage; | |
} | |
MessageDialog.openError(getContainer().getShell(), "Import failed", message); | |
return false; | |
} catch (InterruptedException e) { | |
return false; | |
} | |
return true; | |
} | |
} |