/*
* $Id$
*
* Copyright (C) 2003-2014 JNode.org
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published
* by the Free Software Foundation; either version 2.1 of the License, or
* (at your option) any later version.
*
* This library 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 Lesser General Public
* License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library; If not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
package org.jnode.apps.jpartition.consoleview;
import java.io.IOException;
import java.util.List;
import org.apache.log4j.Logger;
import org.jnode.apps.jpartition.Context;
import org.jnode.apps.jpartition.commands.framework.Command;
import org.jnode.apps.jpartition.consoleview.components.Component;
import org.jnode.apps.jpartition.consoleview.components.NumberField;
import org.jnode.apps.jpartition.consoleview.components.Options;
import org.jnode.apps.jpartition.consoleview.components.YesNo;
import org.jnode.apps.jpartition.model.Device;
import org.jnode.apps.jpartition.model.Partition;
import org.jnode.apps.jpartition.model.UserFacade;
class ConsoleView extends Component {
private static final Logger log = Logger.getLogger(ConsoleView.class);
private final boolean install;
private Partition selectedPartition;
ConsoleView(Context context, boolean install) {
super(context);
this.install = install;
try {
start();
} catch (Throwable e) {
context.getErrorReporter().reportError(log, this, e);
}
println();
if (selectedPartition == null) {
print("selectedPartition=none");
} else {
print("selectedPartition=" + PartitionLabelizer.INSTANCE.getLabel(selectedPartition));
}
if (UserFacade.getInstance().getSelectedDevice() == null) {
println(" on no device");
} else {
println(" on device " +
DeviceLabelizer.INSTANCE.getLabel(UserFacade.getInstance().getSelectedDevice()));
}
}
private void start() throws Exception {
if (!selectDevice()) {
println("no device to partition");
return;
}
if (!UserFacade.getInstance().getSelectedDevice().hasPartititionTable()) {
println("device has no partition table");
return;
}
selectPartition();
List<Command> pendingCommands = UserFacade.getInstance().getPendingCommands();
if (!pendingCommands.isEmpty()) {
YesNo yesNo = new YesNo(context);
println();
println("The following modifications are pending :");
for (Command cmd : pendingCommands) {
println("\t" + cmd);
}
boolean apply = yesNo.show("Would you like to apply them ?");
if (apply) {
UserFacade.getInstance().applyChanges();
}
}
}
private boolean selectDevice() throws IOException {
boolean deviceSelected = false;
List<Device> devices = UserFacade.getInstance().getDevices();
if ((devices != null) && !devices.isEmpty()) {
Options devicesOpt = new Options(context);
Device choice =
devicesOpt.show("Select a device", devices, DeviceLabelizer.INSTANCE);
String device = choice.getName();
UserFacade.getInstance().selectDevice(device);
println("device=" + device);
deviceSelected = true;
}
return deviceSelected;
}
private void selectPartition() throws Exception {
List<Partition> partitions = UserFacade.getInstance().getPartitions();
if ((partitions.size() == 1) && !partitions.get(0).isUsed()) {
YesNo yesNo = new YesNo(context);
boolean create = yesNo.show("There is no partition. Would you like to create one ?");
if (create) {
selectedPartition = createPartition(partitions.get(0));
}
}
if (selectedPartition == null) {
partitions = UserFacade.getInstance().getPartitions();
Options partitionsOpt = new Options(context);
selectedPartition =
partitionsOpt.show("Select a partition", partitions,
PartitionLabelizer.INSTANCE);
}
if (selectedPartition != null) {
if (install) {
formatPartition(selectedPartition);
} else {
modifyPartition(selectedPartition);
}
}
}
private Partition createPartition(Partition freePart) throws Exception {
long size = freePart.getSize();
NumberField sizeField = new NumberField(context);
size = sizeField.show("Size of the new partition ", size, 1, size);
return UserFacade.getInstance().createPartition(freePart.getStart(), size);
}
private enum Operation {
FORMAT_PARTITION("format partition") {
@Override
public void execute(ConsoleView view, Partition partition) throws Exception {
view.formatPartition(partition);
}
},
ADD_PARTITION("add partition") {
@Override
public void execute(ConsoleView view, Partition partition) throws Exception {
view.createPartition(partition);
}
},
REMOVE_PARTITION("remove partition") {
@Override
public void execute(ConsoleView view, Partition partition) throws Exception {
view.removePartition(partition);
}
};
private String label;
private Operation(String label) {
this.label = label;
}
@Override
public String toString() {
return label;
}
public abstract void execute(ConsoleView view, Partition partition) throws Exception;
}
private void modifyPartition(Partition partition) throws Exception {
Operation[] choices;
if (partition.isUsed()) {
choices = new Operation[] {Operation.FORMAT_PARTITION, Operation.REMOVE_PARTITION};
} else {
choices = new Operation[] {Operation.ADD_PARTITION};
}
Options partitionsOpt = new Options(context);
Operation choice = partitionsOpt.show("Select an operation", choices);
choice.execute(this, partition);
}
private void removePartition(Partition partition) throws Exception {
YesNo yesNo = new YesNo(context);
boolean remove = yesNo.show("Would like you to remove the partition ?");
if (remove) {
UserFacade.getInstance().removePartition(partition.getStart() + 1);
}
}
private void formatPartition(Partition partition) throws Exception {
String[] formatters = UserFacade.getInstance().getFormatters();
Options partitionsOpt = new Options(context);
String formatter = partitionsOpt.show("Select a filesystem", formatters);
UserFacade.getInstance().selectFormatter(formatter);
UserFacade.getInstance().formatPartition(partition.getStart() + 1);
}
}