/*
* 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.packages;
import org.drools.guvnor.client.common.ErrorPopup;
import org.drools.guvnor.client.common.FormStyleLayout;
import org.drools.guvnor.client.common.HTMLFileManagerFields;
import org.drools.guvnor.client.common.LoadingPopup;
import org.drools.guvnor.client.messages.Constants;
import org.drools.guvnor.client.rpc.RuleAsset;
import org.drools.guvnor.client.ruleeditor.EditorWidget;
import org.drools.guvnor.client.ruleeditor.RuleViewer;
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.resources.client.ImageResource;
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.HorizontalPanel;
import com.google.gwt.user.client.ui.TextBox;
import com.google.gwt.user.client.ui.Widget;
/**
* This wraps a file uploader utility for model packages.
* Model packages are jar files.
*
* @author Michael Neale
* @author Fernando Meyer
*/
public abstract class AssetAttachmentFileWidget extends Composite
implements
EditorWidget {
private Constants constants = GWT.create( Constants.class );
private FormPanel form;
private Button ok;
private RuleViewer viewer;
protected FormStyleLayout layout;
protected RuleAsset asset;
public AssetAttachmentFileWidget(final RuleAsset asset,
final RuleViewer viewer) {
this.viewer = viewer;
this.asset = asset;
initWidgets( asset.uuid,
asset.metaData.name );
initAssetHandlers();
}
public AssetAttachmentFileWidget() {
}
protected void initWidgets(final String uuid,
String formName) {
form = new FormPanel();
form.setAction( GWT.getModuleBaseURL() + "asset" );
form.setEncoding( FormPanel.ENCODING_MULTIPART );
form.setMethod( FormPanel.METHOD_POST );
FileUpload up = new FileUpload();
up.setName( HTMLFileManagerFields.UPLOAD_FIELD_NAME_ATTACH );
HorizontalPanel fields = new HorizontalPanel();
fields.add( getHiddenField( HTMLFileManagerFields.FORM_FIELD_UUID,
uuid ) );
ok = new Button( constants.Upload() );
fields.add( up );
fields.add( ok );
form.add( fields );
layout = new FormStyleLayout( getIcon(),
formName );
if ( !this.asset.isreadonly ) layout.addAttribute( constants.UploadNewVersion(),
form );
Button dl = new Button( constants.Download() );
dl.addClickHandler( new ClickHandler() {
public void onClick(ClickEvent event) {
Window.open( GWT.getModuleBaseURL() + "asset?" + HTMLFileManagerFields.FORM_FIELD_UUID + "=" + uuid,
"downloading",
"resizable=no,scrollbars=yes,status=no" );
}
} );
layout.addAttribute( constants.DownloadCurrentVersion(),
dl );
ok.addClickHandler( new ClickHandler() {
public void onClick(ClickEvent event) {
showUploadingBusy();
submitUpload();
}
} );
initWidget( layout );
layout.setWidth( "100%" );
this.setStyleName( getOverallStyleName() );
}
/**
* @return The path to the icon to use.
*/
public abstract ImageResource getIcon();
/**
* return the overall style name to use.
*/
public abstract String getOverallStyleName();
void initAssetHandlers() {
form.addSubmitCompleteHandler( new SubmitCompleteHandler() {
public void onSubmitComplete(SubmitCompleteEvent event) {
LoadingPopup.close();
if ( viewer.checkedInCommand != null ) {
viewer.checkedInCommand.execute();
}
if ( event.getResults().indexOf( "OK" ) > -1 ) {
viewer.showInfoMessage( constants.FileWasUploadedSuccessfully() );
} else {
ErrorPopup.showMessage( constants.UnableToUploadTheFile() );
}
}
} );
}
protected void submitUpload() {
form.submit();
}
protected void showUploadingBusy() {
LoadingPopup.showMessage( constants.Uploading() );
}
private TextBox getHiddenField(String name,
String value) {
TextBox t = new TextBox();
t.setName( name );
t.setText( value );
t.setVisible( false );
return t;
}
public void addDescription(Widget d) {
this.layout.addRow( d );
}
}