/*
* This file is part of DRBD Management Console by LINBIT HA-Solutions GmbH
* written by Rasto Levrinc.
*
* Copyright (C) 2009, LINBIT HA-Solutions GmbH.
* Copyright (C) 2011-2012, Rastislav Levrinc.
*
* DRBD Management Console 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, or (at your option)
* any later version.
*
* DRBD Management Console 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 drbd; see the file COPYING. If not, write to
* the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
*/
package lcmc.host.ui;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import javax.inject.Inject;
import javax.inject.Named;
import javax.swing.JComponent;
import javax.swing.JPanel;
import javax.swing.SpringLayout;
import lcmc.common.domain.AccessMode;
import lcmc.common.domain.Application;
import lcmc.common.domain.StringValue;
import lcmc.common.domain.Value;
import lcmc.common.ui.SpringUtilities;
import lcmc.common.ui.WizardDialog;
import lcmc.cluster.ui.widget.Widget;
import lcmc.cluster.ui.widget.WidgetFactory;
import lcmc.common.domain.ExecCallback;
import lcmc.common.domain.util.Tools;
import lcmc.common.ui.utils.WidgetListener;
import lcmc.cluster.service.ssh.ExecCommandConfig;
/**
* An implementation of a dialog where available versions of drbd will be
* determined.
*/
@Named
public class DrbdAvailFiles extends DialogHost {
@Inject
private LinbitLogin linbitLogin;
private Widget drbdVersionCombo = null;
/** Combo box with drbd builds. (kernel, arch) */
private Widget drbdBuildCombo = null;
private boolean listenersAdded = false;
@Inject
private Application application;
@Inject
private WidgetFactory widgetFactory;
@Override
protected final void initDialogBeforeVisible() {
super.initDialogBeforeVisible();
listenersAdded = false;
enableComponentsLater(new JComponent[]{buttonClass(nextButton())});
disableComponents(new java.awt.Component[]{drbdVersionCombo.getComponent(), drbdBuildCombo.getComponent()});
}
@Override
protected void initDialogAfterVisible() {
getProgressBar().start(4000);
getDrbdInstallation().setDrbdBuildToInstall(getHost().getDetectedKernelVersion());
/* get drbd available versions and continue with availBuilds */
final Value[] versions = StringValue.getValues(getDrbdInstallation().getAvailableDrbdVersions());
if (versions != null && versions.length != 0) {
final Value version = versions[versions.length - 1];
drbdVersionCombo.reloadComboBox(version, versions);
application.waitForSwing();
}
final String selectedItem = drbdVersionCombo.getStringValue();
if (selectedItem == null) {
allDone();
} else {
availBuilds();
}
}
protected final void availBuilds() {
getHost().execCommand(new ExecCommandConfig().commandString("DrbdAvailBuilds")
.convertCmdCallback(getDrbdInstallationConvertCmdCallback())
.execCallback(new ExecCallback() {
@Override
public void done(final String answer) {
String defaultValue = getDrbdInstallation().getDrbdBuildToInstall();
final String[] items = answer.split("\\r?\\n");
boolean found = false;
for (final String item : items) {
if (item.equals(defaultValue)) {
found = true;
break;
}
}
if (!found) {
/* try it with underscores */
defaultValue = defaultValue.replaceAll("-", "_");
}
drbdBuildCombo.clear();
drbdBuildCombo.reloadComboBox(new StringValue(defaultValue), StringValue.getValues(items));
application.waitForSwing();
final String selectedItem = drbdBuildCombo.getStringValue();
drbdBuildCombo.setEnabled(true);
if (selectedItem == null) {
allDone();
} else {
getDrbdInstallation().setDrbdBuildToInstall(selectedItem);
if (!listenersAdded) {
availFiles();
}
}
}
@Override
public void doneError(final String answer, final int errorCode) {
application.invokeLater(new Runnable() {
@Override
public void run() {
printErrorAndRetry(Tools.getString("Dialog.Host.DrbdAvailFiles.NoBuilds"),
answer,
errorCode);
}
});
}
}));
}
/** Finds available files. */
protected final void availFiles() {
drbdBuildCombo.setEnabled(true);
getHost().execCommand(new ExecCommandConfig().commandString("DrbdAvailFiles")
.convertCmdCallback(getDrbdInstallationConvertCmdCallback())
.execCallback(new ExecCallback() {
@Override
public void done(final String answer) {
final List<String> files = new ArrayList<String>(Arrays.asList(answer.split("\\r?\\n")));
if (files.size() >= 2) {
if (files.size() > 4) {
/* remove the virtual package. */
files.remove(0);
}
final String[] filesA = files.toArray(new String[files.size()]);
application.invokeLater(new Runnable() {
@Override
public void run() {
answerPaneSetText(Tools.join("\n", filesA));
}
});
getDrbdInstallation().setDrbdPackagesToInstall(Tools.shellList(filesA));
allDone();
} else {
application.invokeLater(new Runnable() {
@Override
public void run() {
printErrorAndRetry(Tools.getString("Dialog.Host.DrbdAvailFiles.NoFiles"));
}
});
}
}
@Override
public void doneError(final String answer, final int errorCode) {
application.invokeLater(new Runnable() {
@Override
public void run() {
printErrorAndRetry(Tools.getString("Dialog.Host.DrbdAvailFiles.NoBuilds"), answer, errorCode);
}
});
}
}));
}
/**
* Is called after everything is done. It adds listeners if called for the
* first time.
*/
protected final void allDone() {
linbitLogin.init(this, getHost(), getDrbdInstallation());
progressBarDone();
enableComponents();
buttonClass(nextButton()).requestFocus();
if (!listenersAdded) {
addListeners();
listenersAdded = true;
}
if (application.getAutoOptionHost("drbdinst") != null) {
Tools.sleep(1000);
pressNextButton();
}
}
@Override
public WizardDialog nextDialog() {
return linbitLogin;
}
@Override
protected final String getHostDialogTitle() {
return Tools.getString("Dialog.Host.DrbdAvailFiles.Title");
}
@Override
protected final String getDescription() {
return Tools.getString("Dialog.Host.DrbdAvailFiles.Description");
}
protected final JPanel getChoiceBoxes() {
final JPanel pane = new JPanel(new SpringLayout());
/* drbd version combo box */
drbdVersionCombo = widgetFactory.createInstance(
Widget.Type.COMBOBOX,
Widget.NO_DEFAULT,
Widget.NO_ITEMS,
Widget.NO_REGEXP,
0, /* width */
Widget.NO_ABBRV,
new AccessMode(AccessMode.RO, AccessMode.NORMAL),
Widget.NO_BUTTON);
pane.add(drbdVersionCombo.getComponent());
/* build combo box */
drbdBuildCombo = widgetFactory.createInstance(
Widget.Type.COMBOBOX,
Widget.NO_DEFAULT,
Widget.NO_ITEMS,
Widget.NO_REGEXP,
0, /* width */
Widget.NO_ABBRV,
new AccessMode(AccessMode.RO, AccessMode.NORMAL),
Widget.NO_BUTTON);
pane.add(drbdBuildCombo.getComponent());
SpringUtilities.makeCompactGrid(pane, 1, 2, // rows, cols
1, 1, // initX, initY
1, 1); // xPad, yPad
return pane;
}
/** Adds listeners to all combo boxes. */
private void addListeners() {
/* drbd version combo box */
drbdVersionCombo.addListeners(
new WidgetListener() {
@Override
public void check(final Value value) {
enableComponentsLater(new JComponent[]{buttonClass(nextButton())});
disableComponents(new java.awt.Component[]{drbdBuildCombo.getComponent()});
final String item = drbdVersionCombo.getStringValue();
application.invokeLater(new Runnable() {
@Override
public void run() {
availBuilds();
}
});
}
});
/* build combo box */
drbdBuildCombo.addListeners(
new WidgetListener() {
@Override
public void check(final Value value) {
final String item = drbdBuildCombo.getStringValue();
getDrbdInstallation().setDrbdBuildToInstall(item);
availFiles();
}
});
}
/** Returns input pane with available drbd files. */
@Override
protected final JComponent getInputPane() {
final JPanel pane = new JPanel(new SpringLayout());
pane.add(getChoiceBoxes());
pane.add(getProgressBarPane());
pane.add(getAnswerPane(Tools.getString("Dialog.Host.DrbdAvailFiles.Executing")));
SpringUtilities.makeCompactGrid(pane, 3, 1, // rows, cols
0, 0, // initX, initY
0, 0); // xPad, yPad
return pane;
}
}