core/com.nokia.carbide.discovery.ui/src/com/nokia/carbide/internal/discovery/ui/wizard/ExportPage.java
/*
* Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
* All rights reserved.
* This component and the accompanying materials are made available
* under the terms of the License "Eclipse Public License v1.0"
* which accompanies this distribution, and is available
* at the URL "http://www.eclipse.org/legal/epl-v10.html".
*
* Initial Contributors:
* Nokia Corporation - initial contribution.
*
* Contributors:
*
* Description:
*
*/
package com.nokia.carbide.internal.discovery.ui.wizard;
import java.io.File;
import java.util.ArrayList;
import java.util.Collection;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Path;
import org.eclipse.core.runtime.Status;
import org.eclipse.jface.dialogs.DialogPage;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.FileDialog;
import org.eclipse.ui.progress.UIJob;
import com.nokia.carbide.discovery.ui.Messages;
import com.nokia.cpp.internal.api.utils.ui.BrowseDialogUtils;
/**
* Page in export wizard
*/
class ExportPage extends AbstractImportExportPage {
private File file;
private Collection<FeatureInfo> featureInfos;
private static String saveAsParent;
protected ExportPage() {
super("ExportPage"); //$NON-NLS-1$
setTitle(Messages.ExportPage_Title);
setDescription(Messages.ExportPage_Description);
}
public void createControl(Composite parent) {
super.createControl(parent);
Composite composite = (Composite) getControl();
createViewerGroup(composite, Messages.ExportPage_ViewerGroupLabel);
createBrowseGroup(composite, Messages.ExportPage_BrowseGroupLabel);
featureInfos = new ArrayList<FeatureInfo>();
setPageComplete(validatePage());
}
@Override
protected void createViewerGroup(Composite parent, String labelText) {
super.createViewerGroup(parent, labelText);
startGetInputJob();
updateViewer();
}
@Override
protected void createBrowseGroup(Composite parent, String labelText) {
super.createBrowseGroup(parent, labelText);
if (saveAsParent == null)
saveAsParent = System.getProperty("user.home"); //$NON-NLS-1$
pathText.setText(new Path(saveAsParent).append("exportedFeatures.xml").toOSString()); //$NON-NLS-1$
browseButton.addSelectionListener(new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent e) {
FileDialog dialog = new FileDialog(getShell(), SWT.SAVE);
dialog.setText(Messages.ExportPage_FileDialogText);
BrowseDialogUtils.initializeFrom(dialog, pathText.getText());
dialog.setOverwrite(true); // prompt for overwrite
String path = dialog.open();
if (path != null) {
IPath saveAsPath = new Path(path);
saveAsParent = saveAsPath.removeLastSegments(1).toString();
pathText.setText(saveAsPath.toOSString());
}
}
});
}
private void startGetInputJob() {
UIJob j = new UIJob(Messages.ExportPage_GetFeaturesJobName) {
@Override
public IStatus runInUIThread(IProgressMonitor monitor) {
viewer.setInput(P2Utils.getInstalledFeatures(monitor));
updateViewer();
return Status.OK_STATUS;
}
};
j.schedule();
}
protected boolean validatePage() {
setErrorMessage(null);
if (viewer.getTable().getItemCount() == 0) {
setErrorMessage(Messages.ExportPage_NoFeaturesError);
return false;
}
if (viewer.getCheckedElements().length == 0) {
setErrorMessage(Messages.ExportPage_NoFeaturesSelectedError);
return false;
}
IPath path = new Path(pathText.getText());
file = path.toFile();
if (!file.isAbsolute()) {
setErrorMessage(Messages.ExportPage_NoFileError);
return false;
}
if (file.exists()) {
setMessage(Messages.ExportPage_FileOverwriteWarning, DialogPage.WARNING);
}
return true;
}
public File getFile() {
return file;
}
public Collection<FeatureInfo> getFeatureInfos() {
featureInfos.clear();
for (Object o : viewer.getCheckedElements()) {
featureInfos.add((FeatureInfo) o);
}
return featureInfos;
}
}