/*******************************************************************************
* Copyright (c) 2004, 2009 Tasktop Technologies and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Tasktop Technologies - initial API and implementation
*******************************************************************************/
package org.eclipse.mylyn.internal.tasks.ui.wizards;
import java.io.File;
import java.util.SortedMap;
import org.eclipse.jface.dialogs.Dialog;
import org.eclipse.jface.dialogs.IDialogSettings;
import org.eclipse.jface.dialogs.IMessageProvider;
import org.eclipse.jface.layout.GridDataFactory;
import org.eclipse.jface.wizard.WizardPage;
import org.eclipse.mylyn.commons.ui.CommonImages;
import org.eclipse.mylyn.internal.tasks.ui.TasksUiPlugin;
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.events.SelectionListener;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.FileDialog;
import org.eclipse.swt.widgets.Table;
import org.eclipse.swt.widgets.TableColumn;
import org.eclipse.swt.widgets.TableItem;
import org.eclipse.swt.widgets.Text;
import com.ibm.icu.text.DateFormat;
/**
* Wizard Page for the Task Data Import Wizard
*
* @author Wesley Coelho
* @author Mik Kersten
* @author Rob Elves (Adaption to Import wizard)
*/
public class TaskDataImportWizardPage extends WizardPage {
private Button browseButtonZip = null;
private Text sourceZipText = null;
private Button importViaBackupButton;
private Button importViaZipButton;
private Table backupFilesTable;
// Key values for the dialog settings object
private final static String SETTINGS_SAVED = Messages.TaskDataImportWizardPage_Import_Settings_saved;
private final static String SOURCE_ZIP_SETTING = Messages.TaskDataImportWizardPage_Import_Source_zip_file_setting;
private final static String IMPORT_ZIPMETHOD_SETTING = Messages.TaskDataImportWizardPage_Import_method_zip;
private final static String IMPORT_BACKUPMETHOD_SETTING = Messages.TaskDataImportWizardPage_Import_method_backup;
public TaskDataImportWizardPage() {
super("org.eclipse.mylyn.tasklist.importPage"); //$NON-NLS-1$
setPageComplete(false);
setMessage(Messages.TaskDataImportWizardPage_Importing_overwrites_current_tasks_and_repositories,
IMessageProvider.WARNING);
setImageDescriptor(CommonImages.BANNER_IMPORT);
setTitle(Messages.TaskDataImportWizardPage_Restore_tasks_from_history);
}
public void createControl(Composite parent) {
Composite container = new Composite(parent, SWT.NONE);
GridLayout layout = new GridLayout(3, false);
layout.verticalSpacing = 15;
container.setLayout(layout);
createImportFromZipControl(container);
createImportFromBackupControl(container);
addRadioListeners();
initSettings();
Dialog.applyDialogFont(container);
setControl(container);
setPageComplete(validate());
}
private void addRadioListeners() {
SelectionListener radioListener = new SelectionListener() {
public void widgetSelected(SelectionEvent e) {
browseButtonZip.setEnabled(importViaZipButton.getSelection());
backupFilesTable.setEnabled(importViaBackupButton.getSelection());
sourceZipText.setEnabled(importViaZipButton.getSelection());
controlChanged();
}
public void widgetDefaultSelected(SelectionEvent e) {
// ignore
}
};
importViaZipButton.addSelectionListener(radioListener);
importViaBackupButton.addSelectionListener(radioListener);
}
/**
* Create widgets for specifying the source zip
*/
private void createImportFromZipControl(Composite parent) {
importViaZipButton = new Button(parent, SWT.RADIO);
importViaZipButton.setText(Messages.TaskDataImportWizardPage_From_zip_file);
sourceZipText = new Text(parent, SWT.BORDER);
sourceZipText.setEditable(true);
GridDataFactory.fillDefaults().grab(true, false).hint(250, SWT.DEFAULT).applyTo(sourceZipText);
sourceZipText.addModifyListener(new ModifyListener() {
public void modifyText(ModifyEvent e) {
controlChanged();
}
});
browseButtonZip = new Button(parent, SWT.PUSH);
browseButtonZip.setText(Messages.TaskDataImportWizardPage_Browse_);
browseButtonZip.addSelectionListener(new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent e) {
FileDialog dialog = new FileDialog(getShell());
dialog.setText(Messages.TaskDataImportWizardPage_Zip_File_Selection);
String dir = sourceZipText.getText();
dialog.setFilterPath(dir);
dir = dialog.open();
if (dir == null || dir.equals("")) { //$NON-NLS-1$
return;
}
sourceZipText.setText(dir);
}
});
}
private void createImportFromBackupControl(Composite container) {
importViaBackupButton = new Button(container, SWT.RADIO);
importViaBackupButton.setText(Messages.TaskDataImportWizardPage_From_snapshot);
addBackupFileView(container);
}
private void addBackupFileView(Composite composite) {
backupFilesTable = new Table(composite, SWT.BORDER);
GridDataFactory.fillDefaults().span(2, SWT.DEFAULT).grab(true, true).applyTo(backupFilesTable);
TableColumn filenameColumn = new TableColumn(backupFilesTable, SWT.LEFT);
filenameColumn.setWidth(200);
SortedMap<Long, File> backupFilesMap = TasksUiPlugin.getBackupManager().getBackupFiles();
for (Long time : backupFilesMap.keySet()) {
File file = backupFilesMap.get(time);
TableItem item = new TableItem(backupFilesTable, SWT.NONE);
item.setData(file.getAbsolutePath());
item.setText(DateFormat.getDateTimeInstance().format(time));
}
backupFilesTable.addSelectionListener(new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent e) {
controlChanged();
}
});
}
/**
* Initializes controls with values from the Dialog Settings object
*/
protected void initSettings() {
IDialogSettings settings = getDialogSettings();
if (settings.get(SETTINGS_SAVED) == null) {
importViaZipButton.setSelection(true);
sourceZipText.setEnabled(true);
backupFilesTable.setEnabled(false);
} else {
// Retrieve previous values from the dialog settings
importViaZipButton.setSelection(settings.getBoolean(IMPORT_ZIPMETHOD_SETTING));
importViaBackupButton.setSelection(settings.getBoolean(IMPORT_BACKUPMETHOD_SETTING));
browseButtonZip.setEnabled(importViaZipButton.getSelection());
sourceZipText.setEnabled(importViaZipButton.getSelection());
backupFilesTable.setEnabled(importViaBackupButton.getSelection());
String zipFile = settings.get(SOURCE_ZIP_SETTING);
if (zipFile != null) {
sourceZipText.setText(settings.get(SOURCE_ZIP_SETTING));
}
}
}
@Override
public void setVisible(boolean visible) {
if (visible) {
if (importViaZipButton.getSelection()) {
sourceZipText.setFocus();
} else {
importViaBackupButton.setFocus();
}
}
super.setVisible(visible);
}
/**
* Saves the control values in the dialog settings to be used as defaults the next time the page is opened
*/
public void saveSettings() {
IDialogSettings settings = getDialogSettings();
settings.put(IMPORT_ZIPMETHOD_SETTING, importViaZipButton.getSelection());
settings.put(IMPORT_BACKUPMETHOD_SETTING, importViaBackupButton.getSelection());
settings.put(SETTINGS_SAVED, SETTINGS_SAVED);
}
/** Called to indicate that a control's value has changed */
public void controlChanged() {
setPageComplete(validate());
}
/** Returns true if the information entered by the user is valid */
protected boolean validate() {
if (importViaZipButton.getSelection() && sourceZipText.getText().equals("")) { //$NON-NLS-1$
return false;
}
if (importViaBackupButton.getSelection() && backupFilesTable.getSelection().length == 0) {
return false;
}
return true;
}
public String getSourceZipFile() {
if (importViaZipButton.getSelection()) {
return sourceZipText.getText();
} else {
if (backupFilesTable.getSelectionIndex() != -1) {
return (String) (backupFilesTable.getSelection()[0].getData());
}
}
return Messages.TaskDataImportWizardPage__unspecified_;
}
/** For testing only. Sets controls to the specified values */
public void setSource(boolean zip, String sourceZip) {
sourceZipText.setText(sourceZip);
importViaZipButton.setSelection(zip);
}
}