/*
* Copyright 2010 JBoss Inc
*
* 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 org.drools.guvnor.client.explorer.navigation.admin.widget;
import org.drools.guvnor.client.common.ErrorPopup;
import org.drools.guvnor.client.common.HTMLFileManagerFields;
import org.drools.guvnor.client.common.LoadingPopup;
import org.drools.guvnor.client.common.PrettyFormLayout;
import org.drools.guvnor.client.messages.ConstantsCore;
import org.drools.guvnor.client.resources.GuvnorImages;
import org.drools.guvnor.client.resources.ImagesCore;
import com.google.gwt.core.client.GWT;
import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.event.dom.client.ClickHandler;
import com.google.gwt.user.client.History;
import com.google.gwt.user.client.Window;
import com.google.gwt.user.client.ui.Button;
import com.google.gwt.user.client.ui.Composite;
import com.google.gwt.user.client.ui.FileUpload;
import com.google.gwt.user.client.ui.FormPanel;
import com.google.gwt.user.client.ui.FormPanel.SubmitCompleteEvent;
import com.google.gwt.user.client.ui.FormPanel.SubmitCompleteHandler;
import com.google.gwt.user.client.ui.FormPanel.SubmitEvent;
import com.google.gwt.user.client.ui.FormPanel.SubmitHandler;
import com.google.gwt.user.client.ui.HTML;
import com.google.gwt.user.client.ui.HorizontalPanel;
import com.google.gwt.user.client.ui.Widget;
public class BackupManager extends Composite {
private static ImagesCore images = (ImagesCore) GWT.create( ImagesCore.class );
private ConstantsCore constants = GWT.create( ConstantsCore.class );
public BackupManager() {
PrettyFormLayout widtab = new PrettyFormLayout();
widtab.addHeader( GuvnorImages.INSTANCE.EditCategories(),
new HTML( constants.ImportOrExport() ) );
widtab.startSection( constants.ImportFromAnXmlFile() );
widtab.addAttribute( "",
newImportWidget() );
widtab.endSection();
widtab.startSection( constants.ExportToAZipFile() );
widtab.addAttribute( "",
newExportWidget() );
widtab.endSection();
initWidget( widtab );
}
private Widget newExportWidget() {
HorizontalPanel horiz = new HorizontalPanel();
Button create = new Button( constants.Export() );
create.addClickHandler( new ClickHandler() {
public void onClick(ClickEvent w) {
exportRepository();
}
} );
horiz.add( create );
return horiz;
}
private Widget newImportWidget() {
final FormPanel uploadFormPanel = new FormPanel();
uploadFormPanel.setAction( GWT.getModuleBaseURL() + "backup" );
uploadFormPanel.setEncoding( FormPanel.ENCODING_MULTIPART );
uploadFormPanel.setMethod( FormPanel.METHOD_POST );
HorizontalPanel panel = new HorizontalPanel();
uploadFormPanel.setWidget( panel );
final FileUpload upload = new FileUpload();
upload.setName( HTMLFileManagerFields.FILE_UPLOAD_FIELD_NAME_IMPORT );
upload.setHeight("30px");
panel.add( upload );
panel.add(new HTML(" "));
Button ok = new Button( constants.Import() );
ok.addClickHandler( new ClickHandler() {
public void onClick(ClickEvent sender) {
doImportFile( uploadFormPanel );
}
private void doImportFile(final FormPanel uploadFormPanel) {
if ( Window.confirm( constants.ImportConfirm() ) ) {
LoadingPopup.showMessage( constants.ImportingInProgress() );
uploadFormPanel.submit();
}
}
} );
panel.add( ok );
uploadFormPanel.addSubmitCompleteHandler( new SubmitCompleteHandler() {
public void onSubmitComplete(SubmitCompleteEvent event) {
if ( event.getResults().indexOf( "OK" ) > -1 ) {
Window.alert( constants.ImportDone() );
History.newItem( " " );
Window.Location.reload();
} else {
ErrorPopup.showMessage( constants.ImportFailed() );
}
LoadingPopup.close();
}
} );
uploadFormPanel.addSubmitHandler( new SubmitHandler() {
public void onSubmit(SubmitEvent event) {
String fileName = upload.getFilename();
if ( fileName.length() == 0 ) {
Window.alert( constants.NoExportFilename() );
event.cancel();
} else {
String lowerCaseFileName = fileName.toLowerCase();
if ( !lowerCaseFileName.endsWith( ".xml" ) && !lowerCaseFileName.endsWith( ".zip" ) ) {
Window.alert( constants.PleaseSpecifyAValidRepositoryXmlFile() );
event.cancel();
}
}
}
} );
return uploadFormPanel;
}
private void exportRepository() {
if ( Window.confirm( constants.ExportRepoWarning() ) ) {
LoadingPopup.showMessage( constants.ExportRepoWait() );
Window.open( GWT.getModuleBaseURL() + "backup?" + HTMLFileManagerFields.FORM_FIELD_REPOSITORY + "=true",
"downloading",
"resizable=no,scrollbars=yes,status=no" );
LoadingPopup.close();
}
}
}