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/*
* Copyright (C) 2012 The Android Open Source Project
*
* Licensed 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 com.motorolamobility.studio.android.certmanager.ui.dialogs;
import java.io.File;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import org.eclipse.core.runtime.Path;
import org.eclipse.jface.dialogs.IMessageProvider;
import org.eclipse.jface.dialogs.TitleAreaDialog;
import org.eclipse.jface.viewers.CheckStateChangedEvent;
import org.eclipse.jface.viewers.CheckboxTableViewer;
import org.eclipse.jface.viewers.IBaseLabelProvider;
import org.eclipse.jface.viewers.ICheckStateListener;
import org.eclipse.jface.viewers.IContentProvider;
import org.eclipse.osgi.util.NLS;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.ModifyEvent;
import org.eclipse.swt.events.ModifyListener;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.FileDialog;
import org.eclipse.swt.widgets.Group;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.TableItem;
import org.eclipse.swt.widgets.Text;
import org.eclipse.ui.PlatformUI;
import com.motorola.studio.android.common.utilities.EclipseUtils;
import com.motorola.studio.android.common.utilities.FileUtil;
import com.motorolamobility.studio.android.certmanager.CertificateManagerActivator;
import com.motorolamobility.studio.android.certmanager.i18n.CertificateManagerNLS;
import com.motorolamobility.studio.android.certmanager.ui.model.IKeyStore;
import com.motorolamobility.studio.android.certmanager.ui.model.ITreeNode;
public class BackupDialog extends TitleAreaDialog
{
private static final String ZIP_EXT = ".zip"; //$NON-NLS-1$
private static final String WIZARD_BANNER = "icons/wizban/backup_keystore_wiz.png"; //$NON-NLS-1$
private static final String BACKUP_KEYSTORE_HELP_ID = CertificateManagerActivator.PLUGIN_ID
+ ".backup_keystore"; //$NON-NLS-1$;
private final IContentProvider contentProvider;
private final IBaseLabelProvider labelProvider;
private CheckboxTableViewer tableViewer;
private Object input;
private final String title;
private File archiveFile;
private List<String> selectedKeyStores;
private String archivePath;
private boolean verifyOverwrite;
private Button selectAllButton;
public BackupDialog(Shell parentShell)
{
super(parentShell);
setShellStyle(getShellStyle() | SWT.RESIZE);
this.contentProvider = new BackupContentProvider();
this.labelProvider = new BackupLabelProvider();
this.title = CertificateManagerNLS.BackupDialog_Diag_Title;
this.archivePath = ""; //$NON-NLS-1$
selectedKeyStores = new ArrayList<String>();
setTitleImage(CertificateManagerActivator.imageDescriptorFromPlugin(
CertificateManagerActivator.PLUGIN_ID, WIZARD_BANNER).createImage());
}
@Override
protected Control createDialogArea(Composite parent)
{
getShell().setText(title);
setTitle(CertificateManagerNLS.BackupDialog_DialogTitle);
//the shell has the same help as its page
PlatformUI.getWorkbench().getHelpSystem()
.setHelp(getShell(), BackupDialog.BACKUP_KEYSTORE_HELP_ID);
Composite dialogArea = new Composite(parent, SWT.FILL);
dialogArea.setLayout(new GridLayout());
dialogArea.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
Group pathGroup = new Group(dialogArea, SWT.SHADOW_NONE);
pathGroup.setText(CertificateManagerNLS.BackupDialog_Backup_File);
pathGroup.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
pathGroup.setLayout(new GridLayout(3, false));
Label pathLabel = new Label(pathGroup, SWT.NONE);
pathLabel.setText(CertificateManagerNLS.BackupDialog_Path);
pathLabel.setLayoutData(new GridData(SWT.LEFT, SWT.CENTER, false, false));
final Text pathText = new Text(pathGroup, SWT.BORDER);
pathText.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false));
pathText.addModifyListener(new ModifyListener()
{
@Override
public void modifyText(ModifyEvent e)
{
archivePath = pathText.getText();
archiveFile = new File(archivePath);
verifyOverwrite = true;
validate();
}
});
Button browseButton = new Button(pathGroup, SWT.PUSH);
browseButton.setText(CertificateManagerNLS.BackupDialog_Browse);
browseButton.setLayoutData(new GridData(SWT.RIGHT, SWT.CENTER, false, false));
browseButton.addSelectionListener(new SelectionAdapter()
{
@Override
public void widgetSelected(SelectionEvent e)
{
FileDialog fileDialog = new FileDialog(getShell(), SWT.SAVE);
fileDialog.setFilterExtensions(new String[]
{
"*" + ZIP_EXT //$NON-NLS-1$
});
fileDialog.setOverwrite(true);
String choosenPath = fileDialog.open();
pathText.setText(choosenPath);
verifyOverwrite = false;
super.widgetSelected(e);
}
});
Group keystoresGroup = new Group(dialogArea, SWT.SHADOW_NONE);
keystoresGroup.setText(CertificateManagerNLS.BackupDialog_KeyStores);
keystoresGroup.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
keystoresGroup.setLayout(new GridLayout(1, false));
tableViewer =
CheckboxTableViewer.newCheckList(keystoresGroup, SWT.H_SCROLL | SWT.V_SCROLL
| SWT.CHECK | SWT.BORDER);
tableViewer.setContentProvider(contentProvider);
tableViewer.setLabelProvider(labelProvider);
tableViewer.setInput(input);
selectKeystores();
GridData layoutData = new GridData(SWT.FILL, SWT.FILL, true, true);
layoutData.widthHint = 400;
layoutData.heightHint = 200;
tableViewer.getControl().setLayoutData(layoutData);
tableViewer.addCheckStateListener(new ICheckStateListener()
{
@Override
public void checkStateChanged(CheckStateChangedEvent event)
{
String keyStore = null;
Object element = event.getElement();
if (element instanceof String)
{
keyStore = (String) element;
}
if (keyStore != null)
{
if (event.getChecked())
{
selectedKeyStores.add(keyStore);
}
else
{
selectedKeyStores.remove(keyStore);
}
}
updateSelectAllState();
validate();
}
});
Composite selectButtonArea = new Composite(keystoresGroup, SWT.NONE);
selectButtonArea.setLayout(new GridLayout(1, true));
selectButtonArea.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
selectAllButton = new Button(selectButtonArea, SWT.CHECK);
selectAllButton.setText(CertificateManagerNLS.BackupDialog_Select_All);
selectAllButton.setLayoutData(new GridData(SWT.BEGINNING, SWT.CENTER, false, false));
selectAllButton.addSelectionListener(new SelectionAdapter()
{
@Override
public void widgetSelected(SelectionEvent e)
{
tableViewer.setAllChecked(selectAllButton.getSelection());
selectedKeyStores.clear();
for (Object element : tableViewer.getCheckedElements())
{
String keyStoreEl = (String) element;
selectedKeyStores.add(keyStoreEl);
}
validate();
super.widgetSelected(e);
}
});
updateSelectAllState();
setMessage(CertificateManagerNLS.BackupDialog_Default_Message);
return dialogArea;
}
private void updateSelectAllState()
{
if (tableViewer.getCheckedElements().length == tableViewer.getTable().getItems().length)
{
selectAllButton.setSelection(true);
}
else
{
selectAllButton.setSelection(false);
}
}
@Override
protected Control createButtonBar(Composite parent)
{
Control buttonBar = super.createButtonBar(parent);
getButton(OK).setEnabled(false);
return buttonBar;
}
@Override
protected void okPressed()
{
boolean canContinue = true;
if (verifyOverwrite && archiveFile.exists())
{
boolean canOvewrite =
EclipseUtils.showQuestionDialog(
CertificateManagerNLS.BackupDialog_Archive_Exists_Title, NLS.bind(
CertificateManagerNLS.BackupDialog_Archive_Exists_Message,
archiveFile));
if (!canOvewrite)
{
canContinue = false;
}
else
{
archiveFile.delete();
}
}
if (canContinue)
{
if (!FileUtil.canWrite(archiveFile))
{
EclipseUtils.showErrorDialog(
CertificateManagerNLS.BackupDialog_Fail_Writing_Archive_Title, NLS.bind(
CertificateManagerNLS.BackupDialog_Fail_Writing_Archive_Message,
archiveFile));
}
else
{
setErrorMessage(null);
super.okPressed();
}
}
}
private void validate()
{
boolean isValid = true;
boolean hasWarn = false;
Path path = new Path(archivePath);
try
{
if (archivePath.isEmpty() || !path.isValidPath(archiveFile.getCanonicalPath()))
{
setErrorMessage(CertificateManagerNLS.BackupDialog_Invalid_Destination_Title);
isValid = false;
}
}
catch (IOException e)
{
setErrorMessage(CertificateManagerNLS.BackupDialog_Invalid_Destination_Title);
isValid = false;
}
if (isValid)
{
if (archiveFile.exists() && (archiveFile.isDirectory()))
{
setErrorMessage(CertificateManagerNLS.BackupDialog_Invalid_Destination_Message);
isValid = false;
}
}
if (isValid)
{
if (!archiveFile.isAbsolute())
{
setMessage(
NLS.bind(CertificateManagerNLS.BackupDialog_Non_Absolute_Path,
archiveFile.getAbsolutePath()), IMessageProvider.WARNING);
hasWarn = true;
}
}
if (isValid)
{
if (selectedKeyStores.isEmpty())
{
setErrorMessage(CertificateManagerNLS.BackupDialog_Select_KeyStore);
isValid = false;
}
else
{
setErrorMessage(null);
if (!hasWarn)
{
setMessage(CertificateManagerNLS.BackupDialog_Default_Message);
}
isValid = true;
}
}
getButton(OK).setEnabled(isValid);
}
public void setInput(Object input)
{
if (tableViewer != null)
{
tableViewer.setInput(input);
}
this.input = input;
}
/**
* @return the Archive file to be created
*/
public File getArchiveFile()
{
return archiveFile.getName().toLowerCase().endsWith(ZIP_EXT) ? archiveFile : new File(
archivePath + ZIP_EXT);
}
/**
* @return the Keystores file paths to be archived
*/
public List<String> getSelectedKeyStores()
{
return selectedKeyStores;
}
public void selectKeyStores(List<ITreeNode> keystores)
{
for (ITreeNode treeNode : keystores)
{
if (treeNode instanceof IKeyStore)
{
IKeyStore keystore = (IKeyStore) treeNode;
selectedKeyStores.add(keystore.getFile().getAbsolutePath());
}
}
}
private void selectKeystores()
{
for (TableItem item : tableViewer.getTable().getItems())
{
item.setChecked(selectedKeyStores.contains(item.getText()));
}
}
}