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/*
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* Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of the License "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description:
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*
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*/
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package com.nokia.carbide.internal.discovery.ui.wizard;
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import java.io.File;
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import java.io.FileInputStream;
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import java.io.IOException;
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import java.text.MessageFormat;
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import org.eclipse.core.runtime.IPath;
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import org.eclipse.core.runtime.IProgressMonitor;
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import org.eclipse.core.runtime.IStatus;
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import org.eclipse.core.runtime.Path;
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import org.eclipse.core.runtime.Status;
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import org.eclipse.jface.layout.GridDataFactory;
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import org.eclipse.jface.layout.GridLayoutFactory;
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import org.eclipse.jface.viewers.CheckStateChangedEvent;
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import org.eclipse.jface.viewers.ICheckStateListener;
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import org.eclipse.swt.SWT;
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import org.eclipse.swt.events.ModifyEvent;
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import org.eclipse.swt.events.ModifyListener;
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import org.eclipse.swt.events.SelectionAdapter;
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import org.eclipse.swt.events.SelectionEvent;
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import org.eclipse.swt.widgets.Button;
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import org.eclipse.swt.widgets.Composite;
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import org.eclipse.swt.widgets.FileDialog;
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import org.eclipse.ui.progress.UIJob;
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import com.nokia.carbide.discovery.ui.Activator;
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import com.nokia.cpp.internal.api.utils.ui.BrowseDialogUtils;
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/**
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* Page in import wizard
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*/
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class ImportPage extends AbstractImportExportPage {
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// the following two arrays need to correspond
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static final String[] FILTER_EXTS = {
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"*.xml", //$NON-NLS-1$
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"*.*" //$NON-NLS-1$
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};
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static final String[] FILTER_EXT_NAMES = {
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"XML Files",
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"All Files"
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};
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private String currentPath;
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private ImportExportData readData;
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protected boolean wantsOriginalVersions;
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protected ImportPage() {
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super("ImportPage"); //$NON-NLS-1$
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setTitle("Import Feature Configuration and Install");
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setDescription("Import a feature configurations from a file and install the features");
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}
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public void createControl(Composite parent) {
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super.createControl(parent);
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Composite composite = (Composite) getControl();
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createBrowseGroup(composite, "Import file:");
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createViewerGroup(composite, "Import Features:");
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setPageComplete(validatePage());
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}
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@Override
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protected void createBrowseGroup(Composite parent, String labelText) {
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super.createBrowseGroup(parent, labelText);
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pathText.addModifyListener(new ModifyListener() {
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@Override
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public void modifyText(ModifyEvent e) {
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handlePathChanged();
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}
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});
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browseButton.addSelectionListener(new SelectionAdapter() {
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@Override
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public void widgetSelected(SelectionEvent e) {
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FileDialog fileDialog = new FileDialog(getShell(), SWT.OPEN);
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fileDialog.setText("Select an Exported Feature Configuration File");
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fileDialog.setFilterExtensions(FILTER_EXTS);
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fileDialog.setFilterNames(FILTER_EXT_NAMES);
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BrowseDialogUtils.initializeFrom(fileDialog, pathText);
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String pathstr = fileDialog.open();
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if (pathstr != null) {
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pathText.setText(pathstr);
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// handlePathChanged();
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}
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}
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});
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}
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@Override
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protected void createViewerGroup(Composite parent, String labelText) {
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super.createViewerGroup(parent, labelText);
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viewer.addCheckStateListener(new ICheckStateListener() {
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public void checkStateChanged(CheckStateChangedEvent event) {
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setPageComplete(validatePage());
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}
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});
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updateViewer();
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}
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private void startGetInputJob(final String path) {
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UIJob j = new UIJob("Reading Feature Configuration File") {
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@Override
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public IStatus runInUIThread(IProgressMonitor monitor) {
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try {
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FileInputStream is = new FileInputStream(path);
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readData = Streamer.readFromXML(is);
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viewer.setInput(readData.getFeatureInfos());
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updateViewer();
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monitor.done();
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} catch (IOException e) {
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// may have bad/incomplete path, so don't log this
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} catch (Exception e) {
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Activator.logError(MessageFormat.format("Could not read data from file: {0}", path), e);
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}
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return Status.OK_STATUS;
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}
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};
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j.schedule();
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}
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protected void createVersionRadioGroup(Composite parent) {
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Composite composite = new Composite(parent, SWT.NONE);
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GridLayoutFactory.fillDefaults().applyTo(composite);
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GridDataFactory.fillDefaults().align(SWT.FILL, SWT.BEGINNING).grab(true, false).applyTo(composite);
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final Button originalVersionCheck = new Button(composite, SWT.CHECK);
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originalVersionCheck.setText("Attempt import original feature versions");
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originalVersionCheck.addSelectionListener(new SelectionAdapter() {
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@Override
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public void widgetSelected(SelectionEvent e) {
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wantsOriginalVersions = originalVersionCheck.getSelection();
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}
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});
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}
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protected boolean validatePage() {
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setErrorMessage(null);
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IPath path = new Path(pathText.getText());
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if (isFilePath(path.toOSString())) {
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if (readData == null || readData.getFeatureInfos().isEmpty()) {
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setErrorMessage("No valid features found in configurations file");
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return false;
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}
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if (readData == null || readData.getURIs().isEmpty()) {
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setErrorMessage("No valid repositories found in configurations file");
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return false;
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}
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}
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else {
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setErrorMessage("A valid exported feature configuration file must be selected");
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return false;
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}
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if (viewer.getCheckedElements().length == 0) {
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setErrorMessage("At least one feature must be selected for import");
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return false;
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}
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return true;
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}
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private boolean isFilePath(String path) {
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File file = new File(path);
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return file.exists() && !file.isDirectory();
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}
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private void handlePathChanged() {
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String path = pathText.getText();
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if (!path.equals(currentPath) && isFilePath(path)) {
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startGetInputJob(currentPath = path);
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}
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}
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public ImportExportData getData() {
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return readData;
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}
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}
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