/*******************************************************************************
*Copyright (c) 2009 Eucalyptus Systems, Inc.
*
* 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, only version 3 of the License.
*
*
* This file 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, see <http://www.gnu.org/licenses/>.
*
* Please contact Eucalyptus Systems, Inc., 130 Castilian
* Dr., Goleta, CA 93101 USA or visit <http://www.eucalyptus.com/licenses/>
* if you need additional information or have any questions.
*
* This file may incorporate work covered under the following copyright and
* permission notice:
*
* Software License Agreement (BSD License)
*
* Copyright (c) 2008, Regents of the University of California
* All rights reserved.
*
* Redistribution and use of this software in source and binary forms, with
* or without modification, are permitted provided that the followingdn
* conditions are met:
*
* Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
* OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. USERS OF
* THIS SOFTWARE ACKNOWLEDGE THE POSSIBLE PRESENCE OF OTHER OPEN SOURCE
* LICENSED MATERIAL, COPYRIGHTED MATERIAL OR PATENTED MATERIAL IN THIS
* SOFTWARE, AND IF ANY SUCH MATERIAL IS DISCOVERED THE PARTY DISCOVERING
* IT MAY INFORM DR. RICH WOLSKI AT THE UNIVERSITY OF CALIFORNIA, SANTA
* BARBARA WHO WILL THEN ASCERTAIN THE MOST APPROPRIATE REMEDY, WHICH IN
* THE REGENTS’ DISCRETION MAY INCLUDE, WITHOUT LIMITATION, REPLACEMENT
* OF THE CODE SO IDENTIFIED, LICENSING OF THE CODE SO IDENTIFIED, OR
* WITHDRAWAL OF THE CODE CAPABILITY TO THE EXTENT NEEDED TO COMPLY WITH
* ANY SUCH LICENSES OR RIGHTS.
*******************************************************************************/
/*
*
* Author: Dmitrii Zagorodnov dmitrii@cs.ucsb.edu
*/
package edu.ucsb.eucalyptus.admin.client;
import java.util.ArrayList;
import java.util.List;
import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.event.dom.client.ClickHandler;
import com.google.gwt.user.client.rpc.AsyncCallback;
import com.google.gwt.user.client.ui.*;
import edu.ucsb.eucalyptus.admin.client.ClusterInfoTable.GetClusterListCallback;
public class SystemConfigTable extends VerticalPanel {
private static Label c_status = new Label ();
private static Label dns_status = new Label ();
private Grid c_grid = new Grid ();
private Grid dns_grid = new Grid();
private static HTML c_hint = new HTML ();
private static HTML dns_hint = new HTML();
private SystemConfigWeb SystemConfig = new SystemConfigWeb ();
private static String sessionId;
private static TextBox cloudHost_box = new TextBox();
private static TextBox defaultKernel_box = new TextBox();
private static TextBox defaultRamdisk_box = new TextBox();
private static TextBox dnsDomain_box = new TextBox();
private static TextBox nameserver_box = new TextBox();
private static TextBox nameserverAddress_box = new TextBox();
// dmitrii TODO: remove commented out lines once the CSS-based design is confirmed
public SystemConfigTable(String sessionId)
{
this.sessionId = sessionId;
this.setStyleName("euca-config-component");
// this.setSpacing (10);
this.setVerticalAlignment(HasVerticalAlignment.ALIGN_MIDDLE);
// this.setHorizontalAlignment(HasHorizontalAlignment.ALIGN_CENTER);
Label SystemConfigsHeader = new Label( "Cloud configuration:" );
SystemConfigsHeader.setStyleName ( "euca-section-header" );
this.add ( SystemConfigsHeader );
HorizontalPanel c_hpanel = new HorizontalPanel ();
c_hpanel.add ( this.c_grid );
c_hpanel.add ( this.c_hint );
// c_hint.setWidth ("180");
this.add ( c_hpanel );
HorizontalPanel c_hpanel2 = new HorizontalPanel ();
c_hpanel2.setSpacing (10);
c_hpanel2.add ( new EucaButton( "Save Configuration", new SaveCallback( this ) ) );
c_hpanel2.add ( this.c_status );
this.c_status.setText ("");
this.c_status.setStyleName ("euca-greeting-pending");
// this.c_status.setWidth ("250");
this.add ( c_hpanel2 );
Label DNSConfigHeader = new Label( "DNS configuration:" );
DNSConfigHeader.setStyleName ( "euca-section-header" );
this.add ( DNSConfigHeader );
HorizontalPanel dns_hpanel = new HorizontalPanel ();
dns_hpanel.add ( this.dns_grid );
dns_hpanel.add ( this.dns_hint );
// dns_hint.setWidth ("180");
this.add ( dns_hpanel );
HorizontalPanel dns_hpanel2 = new HorizontalPanel ();
dns_hpanel2.setSpacing (10);
dns_hpanel2.add ( new EucaButton( "Save Configuration", new SaveCallback( this ) ) );
dns_hpanel2.add ( this.dns_status );
this.dns_status.setText ("");
this.dns_status.setStyleName ("euca-greeting-pending");
// this.dns_status.setWidth ("250");
this.add ( dns_hpanel2 );
this.rebuildTable ();
EucalyptusWebBackend.App.getInstance().getSystemConfig(
this.sessionId, new GetCallback( this ) );
}
private void rebuildTable()
{
this.c_grid.clear ();
this.c_grid.resize ( 2, 2 );
// this.c_grid.getColumnFormatter().setWidth(0, "190");
// this.c_grid.getColumnFormatter().setWidth(1, "260");
int i = 0;
// cloud parameters
this.c_grid.setWidget( i, 0, new Label( "Cloud Host:" ) );
this.c_grid.getCellFormatter().setHorizontalAlignment(i, 0, HasHorizontalAlignment.ALIGN_RIGHT);
cloudHost_box.addChangeListener (new ChangeCallback (this));
cloudHost_box.setVisibleLength(20);
cloudHost_box.setText (SystemConfig.getCloudHost());
cloudHost_box.addFocusListener (new FocusHandler (c_hint, "Warning: Changing the Cloud URL will invalidate any existing credentials, and will prevent existing users from accessing the system."));
this.c_grid.setWidget( i++, 1, cloudHost_box );
// 2nd row
this.c_grid.setWidget( i, 0, new Label( "Default kernel:" ) );
this.c_grid.getCellFormatter().setHorizontalAlignment(i, 0, HasHorizontalAlignment.ALIGN_RIGHT);
HorizontalPanel hpanel2 = new HorizontalPanel ();
hpanel2.setSpacing (0);
this.c_grid.setWidget( i++, 1, hpanel2 );
defaultKernel_box.addChangeListener (new ChangeCallback (this));
defaultKernel_box.setVisibleLength(10);
defaultKernel_box.setText (SystemConfig.getDefaultKernelId());
hpanel2.add (defaultKernel_box);
hpanel2.add ( new HTML (" Default ramdisk: "));
defaultRamdisk_box.addChangeListener (new ChangeCallback (this));
defaultRamdisk_box.setVisibleLength(10);
defaultRamdisk_box.setText (SystemConfig.getDefaultRamdiskId());
hpanel2.add (defaultRamdisk_box);
// dns params
this.dns_grid.clear ();
this.dns_grid.resize ( 2, 2 );
// this.dns_grid.getColumnFormatter().setWidth(0, "190");
// this.dns_grid.getColumnFormatter().setWidth(1, "260");
i = 0;
this.dns_grid.setWidget( i, 0, new Label( "Domain name:" ) );
this.dns_grid.getCellFormatter().setHorizontalAlignment(i, 0, HasHorizontalAlignment.ALIGN_RIGHT);
dnsDomain_box.addChangeListener (new ChangeCallback (this));
dnsDomain_box.setVisibleLength(20);
dnsDomain_box.setText (SystemConfig.getDnsDomain());
this.dns_grid.setWidget( i++, 1, dnsDomain_box );
this.dns_grid.setWidget( i, 0, new Label( "Nameserver:" ) );
this.dns_grid.getCellFormatter().setHorizontalAlignment(i, 0, HasHorizontalAlignment.ALIGN_RIGHT);
HorizontalPanel dns_hpanel2 = new HorizontalPanel ();
dns_hpanel2.setHorizontalAlignment(HasHorizontalAlignment.ALIGN_LEFT);
//dns_hpanel2.add(new Label("Nameserver:"));
dns_hpanel2.setSpacing (0);
this.dns_grid.setWidget( i++, 1, dns_hpanel2 );
nameserver_box.addChangeListener (new ChangeCallback (this));
nameserver_box.setVisibleLength(20);
nameserver_box.setText (SystemConfig.getNameserver());
dns_hpanel2.add (nameserver_box);
dns_hpanel2.add ( new HTML(" IP: "));
nameserverAddress_box.addChangeListener (new ChangeCallback (this));
nameserverAddress_box.setVisibleLength(20);
nameserverAddress_box.setText (SystemConfig.getNameserverAddress());
dns_hpanel2.add (nameserverAddress_box);
}
public SystemConfigWeb getSystemConfig()
{
return SystemConfig;
}
public void setSystemConfig( final SystemConfigWeb SystemConfig )
{
this.SystemConfig = SystemConfig;
}
public void updateStruct ()
{
this.SystemConfig.setCloudHost( this.cloudHost_box.getText());
this.SystemConfig.setDefaultKernelId(this.defaultKernel_box.getText());
this.SystemConfig.setDefaultRamdiskId(this.defaultRamdisk_box.getText());
this.SystemConfig.setDnsDomain(this.dnsDomain_box.getText());
this.SystemConfig.setNameserver(this.nameserver_box.getText());
this.SystemConfig.setNameserverAddress(this.nameserverAddress_box.getText());
}
class ChangeCallback implements ChangeListener, ClickHandler {
private SystemConfigTable parent;
ChangeCallback ( final SystemConfigTable parent )
{
this.parent = parent;
}
public void onChange (Widget sender)
{
this.parent.updateStruct ();
this.parent.c_status.setText ("Unsaved changes");
this.parent.c_status.setStyleName ("euca-greeting-warning");
this.parent.dns_status.setText ("Unsaved changes");
this.parent.dns_status.setStyleName ("euca-greeting-warning");
}
public void onClick (ClickEvent event)
{
this.parent.updateStruct ();
this.parent.c_status.setText ("Unsaved changes");
this.parent.c_status.setStyleName ("euca-greeting-warning");
this.parent.dns_status.setText ("Unsaved changes");
this.parent.dns_status.setStyleName ("euca-greeting-warning");
}
}
class GetCallback implements AsyncCallback {
private SystemConfigTable parent;
GetCallback( final SystemConfigTable parent )
{
this.parent = parent;
}
public void onFailure( final Throwable throwable )
{
this.parent.c_status.setText ("Failed to contact server!");
this.parent.c_status.setStyleName ("euca-greeting-error");
this.parent.dns_status.setText ("Failed to contact server!");
this.parent.dns_status.setStyleName ("euca-greeting-error");
}
public void onSuccess( final Object o )
{
this.parent.c_status.setText ("Loaded configuration from server");
this.parent.c_status.setStyleName ("euca-greeting-disabled");
this.parent.dns_status.setText ("Loaded configuration from server");
this.parent.dns_status.setStyleName ("euca-greeting-disabled");
this.parent.SystemConfig = (SystemConfigWeb) o;
this.parent.rebuildTable();
}
}
class SaveCallback implements AsyncCallback, ClickHandler {
private SystemConfigTable parent;
SaveCallback( final SystemConfigTable parent )
{
this.parent = parent;
}
public void onClick( ClickEvent event )
{
this.parent.c_status.setText ("Saving...");
this.parent.c_status.setStyleName ("euca-greeting-pending");
this.parent.dns_status.setText ("Saving...");
this.parent.dns_status.setStyleName ("euca-greeting-pending");
EucalyptusWebBackend.App.getInstance().setSystemConfig(
this.parent.sessionId, this.parent.SystemConfig, this );
}
public void onFailure( final Throwable throwable )
{
this.parent.c_status.setText ("Failed to save!");
this.parent.c_status.setStyleName ("euca-greeting-error");
}
public void onSuccess( final Object o )
{
this.parent.c_status.setText ("Saved configuration to server");
this.parent.c_status.setStyleName ("euca-greeting-disabled");
this.parent.dns_status.setText ("Saved configuration to server");
this.parent.dns_status.setStyleName ("euca-greeting-disabled");
}
}
class FocusHandler implements FocusListener {
private HTML parent;
private String message;
FocusHandler (final HTML parent, String message)
{
this.parent = parent;
this.message = message;
}
public void onLostFocus (Widget sender)
{
this.parent.setHTML ("");
this.parent.setStyleName ("euca-text");
}
public void onFocus (Widget sender)
{
this.parent.setHTML (message);
this.parent.setStyleName ("euca-error-hint");
}
}
}