/**
* This file is part of Jahia, next-generation open source CMS:
* Jahia's next-generation, open source CMS stems from a widely acknowledged vision
* of enterprise application convergence - web, search, document, social and portal -
* unified by the simplicity of web content management.
*
* For more information, please visit http://www.jahia.com.
*
* Copyright (C) 2002-2011 Jahia Solutions Group SA. All rights reserved.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* As a special exception to the terms and conditions of version 2.0 of
* the GPL (or any later version), you may redistribute this Program in connection
* with Free/Libre and Open Source Software ("FLOSS") applications as described
* in Jahia's FLOSS exception. You should have received a copy of the text
* describing the FLOSS exception, and it is also available here:
* http://www.jahia.com/license
*
* Commercial and Supported Versions of the program (dual licensing):
* alternatively, commercial and supported versions of the program may be used
* in accordance with the terms and conditions contained in a separate
* written agreement between you and Jahia Solutions Group SA.
*
* If you are unsure which license is appropriate for your use,
* please contact the sales department at sales@jahia.com.
*/
package org.jahia.ajax.gwt.client.widget.form;
import java.util.ArrayList;
import java.util.List;
import org.jahia.ajax.gwt.client.core.JahiaGWTParameters;
import org.jahia.ajax.gwt.client.messages.Messages;
import com.allen_sauer.gwt.log.client.Log;
import com.extjs.gxt.ui.client.event.SelectionListener;
import com.extjs.gxt.ui.client.event.ButtonEvent;
import com.extjs.gxt.ui.client.widget.HorizontalPanel;
import com.extjs.gxt.ui.client.widget.Text;
import com.extjs.gxt.ui.client.widget.button.Button;
import com.extjs.gxt.ui.client.widget.form.AdapterField;
import com.google.gwt.dom.client.*;
import com.google.gwt.user.client.Event;
import com.google.gwt.user.client.ui.*;
/**
*
* User: toto
* Date: Nov 26, 2008
* Time: 2:23:02 PM
*
*/
public class FileUploadField extends AdapterField {
public FileUploadField(String name) {
super(new Uploader(name));
setName(name);
((Uploader)getWidget()).addListener( new Listener() {
public void onChange(Event event) {
setUploadedValue(((Uploader)getWidget()).getKey());
// setRawValue();
// set the value ...
}
});
}
@Override
public void setValue(Object o) {
((Uploader)getWidget()).setValue((String)o,(String)o);
}
public void setUploadedValue(String o) {
super.setValue(o);
}
public String getRawValue() {
String v = rendered ? getInputEl().getValue() : "";
if (v == null || v.equals(emptyText)) {
return "";
}
return v;
}
static class Uploader extends HorizontalPanel {
private String name;
private String key;
private FormPanel form;
private Text status;
private Button clear;
private NamedFrame target;
private List<Listener> listeners = new ArrayList<Listener>();
public Uploader(String defname) {
super();
status = new Text();
status.setStyleName("x-form-field");
target = new NamedFrame("target"+defname) {
public void onBrowserEvent(Event event) {
Log.debug("LOADED");
Log.error(((FrameElement)getElement().cast()).getContentDocument().getClass().toString());
Document document = ((FrameElement) getElement().cast()).getContentDocument();
Log.error(document.getClass().toString());
Element elem = document.getElementById("uploaded");
if (elem != null) {
setValue(elem.getAttribute("name"), elem.getAttribute("key"));
}
super.onBrowserEvent(event); //To change body of overridden methods use File | Settings | File Templates.
}
};
target.sinkEvents(Event.ONLOAD);
target.setVisible(false);
form = new FormPanel(target);
String entryPoint = JahiaGWTParameters.getServiceEntryPoint();
if (entryPoint == null) {
entryPoint = "/gwt/";
}
form.setAction(entryPoint + "fileupload"); // should do
form.setEncoding(FormPanel.ENCODING_MULTIPART);
form.setMethod(FormPanel.METHOD_POST);
clear = new Button(Messages.get("label.stop", "Stop"), new SelectionListener<ButtonEvent>() {
public void componentSelected(ButtonEvent event) {
setValue(null,"clear");
}
});
name = null;
key = null;
initForm();
status.setText("");
clear.setVisible(false);
add(status);
add(form);
add(clear);
add(target);
}
public void setValue(String name, String key) {
this.name = name;
this.key = key;
if (name == null) {
initForm();
status.setText("");
clear.setVisible(false);
} else {
status.setText(name);
clear.setText(Messages.get("label.clear", "Clear"));
clear.setVisible(true);
form.setVisible(false);
}
for (Listener listener : listeners) {
listener.onChange(null);
}
}
public void addListener(Listener list) {
listeners.add(list);
}
public String getName() {
return name;
}
public String getKey() {
return key;
}
private void initForm() {
final FileUpload upload = new FileUpload() {
public final void onBrowserEvent(Event event) {
status.setText(Messages.get("message.uploading", "Uploading..."));
form.submit();
form.setVisible(false);
clear.setText(Messages.get("label.stop", "Stop"));
clear.setVisible(true);
super.onBrowserEvent(event);
}
};
upload.sinkEvents(Event.ONCHANGE | Event.ONKEYUP);
upload.setName("asyncupload");
form.clear();
form.add(upload);
form.setVisible(true);
}
}
interface Listener {
public void onChange(Event event);
}
}