/*
* 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.List;
import javax.inject.Inject;
import javax.inject.Named;
import javax.swing.JPanel;
import lcmc.common.domain.AccessMode;
import lcmc.common.domain.Application;
import lcmc.common.ui.utils.SwingUtils;
import lcmc.host.domain.Host;
import lcmc.common.domain.Value;
import lcmc.drbd.domain.DrbdInstallation;
import lcmc.common.ui.WizardDialog;
import lcmc.cluster.ui.widget.Check;
import lcmc.cluster.ui.widget.Widget;
import lcmc.cluster.ui.widget.WidgetFactory;
import lcmc.common.domain.CancelCallback;
import lcmc.common.ui.utils.ComponentWithTest;
import lcmc.common.domain.ConvertCmdCallback;
import lcmc.common.ui.utils.MyButton;
import lcmc.common.domain.util.Tools;
import lcmc.common.domain.Unit;
import lcmc.common.ui.utils.WidgetListener;
import lcmc.cluster.service.ssh.ExecCommandThread;
@Named
public abstract class DialogHost extends WizardDialog {
private Host host;
private ExecCommandThread commandThread = null;
private DrbdInstallation drbdInstallation;
@Inject
private Application application;
@Inject
private SwingUtils swingUtils;
@Inject
private WidgetFactory widgetFactory;
public void init(final WizardDialog previousDialog, final Host host, final DrbdInstallation drbdInstallation) {
setPreviousDialog(previousDialog);
this.host = host;
this.drbdInstallation = drbdInstallation;
}
protected final Host getHost() {
return host;
}
protected DrbdInstallation getDrbdInstallation() {
return drbdInstallation;
}
final void setCommandThread(final ExecCommandThread commandThread) {
this.commandThread = commandThread;
if (getProgressBar() != null) {
getProgressBar().setCancelEnabled(commandThread != null);
}
}
/**
* Creates progress bar that can be used during connecting to the host
* and returns pane, where the progress bar is displayed.
*/
public final JPanel getProgressBarPane(final String title) {
final CancelCallback cancelCallback = new CancelCallback() {
@Override
public void cancel() {
if (commandThread != null) {
host.getSSH().cancelSession(commandThread);
}
}
};
return getProgressBarPane(title, cancelCallback);
}
/**
* Creates progress bar that can be used during connecting to the host
* and returns pane, where the progress bar is displayed.
*/
protected final JPanel getProgressBarPane() {
final CancelCallback cancelCallback = new CancelCallback() {
@Override
public void cancel() {
if (commandThread != null) {
host.getSSH().cancelSession(commandThread);
}
}
};
return getProgressBarPane(cancelCallback);
}
/**
* Prints error text in the answer pane, stops progress bar, reenables
* buttons and adds retry button.
*/
@Override
public final void printErrorAndRetry(final String text) {
super.printErrorAndRetry(text);
progressBarDone();
}
/**
* Returns title of the dialog, if host was already specified, the hostname
* will appear in the dialog as well.
*/
@Override
protected final String getDialogTitle() {
final StringBuilder s = new StringBuilder(50);
s.append(getHostDialogTitle());
if (host != null && !host.getName().isEmpty() && !"unknown".equals(host.getName())) {
s.append(" (");
s.append(host.getName());
s.append(')');
}
return s.toString();
}
protected ConvertCmdCallback getDrbdInstallationConvertCmdCallback() {
return new ConvertCmdCallback() {
@Override
public String convert(final String command) {
return drbdInstallation.replaceVarsInCommand(command);
}
};
}
protected abstract String getHostDialogTitle();
protected final Widget getInstallationMethods(final String prefix,
final boolean staging,
final String lastInstalledMethod,
final String autoOption,
final ComponentWithTest installButton) {
final List<InstallMethods> methods = new ArrayList<InstallMethods>();
int i = 1;
Value defaultValue = null;
while (true) {
final String index = Integer.toString(i);
final String text = getHost().getDistString(prefix + ".install.text." + index);
if (text == null || text.isEmpty()) {
if (i > 9) {
break;
}
i++;
continue;
}
final String stagingMethod = getHost().getDistString(prefix + ".install.staging." + index);
if (stagingMethod != null && "true".equals(stagingMethod) && !staging) {
/* skip staging */
i++;
continue;
}
String method = getHost().getDistString(prefix + ".install.method." + index);
if (method == null) {
method = "";
}
final InstallMethods installMethod = new InstallMethods(
Tools.getString("Dialog.Host.CheckInstallation.InstallMethod") + text, i, method);
if (text.equals(lastInstalledMethod)) {
defaultValue = installMethod;
}
methods.add(installMethod);
i++;
}
final Widget instMethodWidget = widgetFactory.createInstance(
Widget.Type.COMBOBOX,
defaultValue,
methods.toArray(new InstallMethods[methods.size()]),
Widget.NO_REGEXP,
0, /* width */
Widget.NO_ABBRV,
new AccessMode(AccessMode.RO, AccessMode.NORMAL),
Widget.NO_BUTTON);
if (application.getAutoOptionHost(autoOption) != null) {
swingUtils.invokeLater(new Runnable() {
@Override
public void run() {
instMethodWidget.setSelectedIndex(
Integer.parseInt(application.getAutoOptionHost(autoOption)));
}
});
}
instMethodWidget.addListeners(new WidgetListener() {
@Override
public void check(final Value value) {
final InstallMethods method = (InstallMethods) instMethodWidget.getValue();
final String toolTip = getInstToolTip(prefix, method.getIndex());
swingUtils.invokeLater(new Runnable() {
@Override
public void run() {
instMethodWidget.setToolTipText(toolTip);
installButton.setToolTipText(toolTip);
}
});
}
});
return instMethodWidget;
}
/**
* Returns tool tip texts for installation method combo box and
* install button.
*/
protected final String getInstToolTip(final String prefix, final String index) {
return Tools.html(
getHost().getDistString(
prefix + ".install." + index)).replaceAll(";", ";<br>> ").replaceAll("&&", "<br>> &&");
}
protected void enableNextButtons(final List<String> incorrect, final List<String> changed) {
final Check check = new Check(incorrect, changed);
swingUtils.invokeLater(new Runnable() {
@Override
public void run() {
buttonClass(nextButton()).setEnabledCorrect(check);
for (final MyButton button : nextButtons()) {
button.setEnabled(check.isCorrect());
}
}
});
}
protected MyButton[] nextButtons() {
return new MyButton[]{};
}
/** This class holds install method names, and their indeces. */
public static final class InstallMethods implements Value {
private final String name;
private final int index;
private final String method;
public InstallMethods(final String name, final int index, final String method) {
this.name = name;
this.index = index;
this.method = method;
}
@Override
public String toString() {
return name;
}
public String getIndex() {
return Integer.toString(index);
}
String getMethod() {
return method;
}
boolean isSourceMethod() {
return "source".equals(method);
}
@Override
public String getValueForGui() {
return name;
}
@Override
public String getValueForConfig() {
return name;
}
@Override
public boolean isNothingSelected() {
return name == null;
}
@Override
public String getNothingSelected() {
return NOTHING_SELECTED;
}
@Override
public Unit getUnit() {
return null;
}
@Override
public String getValueForConfigWithUnit() {
return getValueForConfig();
}
}
}